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vendor/gopkg.in/yaml.v2/encode.go create mode 100644 vendor/gopkg.in/yaml.v2/parserc.go create mode 100644 vendor/gopkg.in/yaml.v2/readerc.go create mode 100644 vendor/gopkg.in/yaml.v2/resolve.go create mode 100644 vendor/gopkg.in/yaml.v2/scannerc.go create mode 100644 vendor/gopkg.in/yaml.v2/sorter.go create mode 100644 vendor/gopkg.in/yaml.v2/writerc.go create mode 100644 vendor/gopkg.in/yaml.v2/yaml.go create mode 100644 vendor/gopkg.in/yaml.v2/yamlh.go create mode 100644 vendor/gopkg.in/yaml.v2/yamlprivateh.go diff --git a/Gopkg.lock b/Gopkg.lock new file mode 100644 index 0000000..4f15f63 --- /dev/null +++ b/Gopkg.lock @@ -0,0 +1,75 @@ +# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'. + + +[[projects]] + name = "github.com/gin-contrib/sse" + packages = ["."] + revision = "22d885f9ecc78bf4ee5d72b937e4bbcdc58e8cae" + +[[projects]] + name = "github.com/gin-gonic/gin" + packages = [ + ".", + "binding", + "json", + "render" + ] + revision = "b869fe1415e4b9eb52f247441830d502aece2d4d" + version = "v1.3.0" + +[[projects]] + name = "github.com/golang/protobuf" + packages = ["proto"] + revision = "5a0f697c9ed9d68fef0116532c6e05cfeae00e55" + +[[projects]] + name = "github.com/gorilla/websocket" + packages = ["."] + revision = "66b9c49e59c6c48f0ffce28c2d8b8a5678502c6d" + version = "v1.4.0" + +[[projects]] + name = "github.com/json-iterator/go" + packages = ["."] + revision = "36b14963da70d11297d313183d7e6388c8510e1e" + version = "1.0.0" + +[[projects]] + name = "github.com/mattn/go-isatty" + packages = ["."] + revision = "57fdcb988a5c543893cc61bce354a6e24ab70022" + +[[projects]] + name = "github.com/ugorji/go" + packages = ["codec"] + revision = "c88ee250d0221a57af388746f5cf03768c21d6e2" + +[[projects]] + branch = "master" + name = "golang.org/x/sys" + packages = ["unix"] + revision = "81d4e9dc473e5e8c933f2aaeba2a3d81efb9aed2" + +[[projects]] + name = "gopkg.in/go-playground/validator.v8" + packages = ["."] + revision = "5f57d2222ad794d0dffb07e664ea05e2ee07d60c" + version = "v8.18.1" + +[[projects]] + name = "gopkg.in/olahol/melody.v1" + packages = ["."] + revision = "d521390733761fe1db13de575c253afd5c743085" + version = "v1" + +[[projects]] + name = "gopkg.in/yaml.v2" + packages = ["."] + revision = "a5b47d31c556af34a302ce5d659e6fea44d90de0" + +[solve-meta] + analyzer-name = "dep" + analyzer-version = 1 + inputs-digest = "c93eab3341774d40dee73c28bb071485df17d8dc1353424eda65cdf157da584f" + solver-name = "gps-cdcl" + solver-version = 1 diff --git a/Gopkg.toml b/Gopkg.toml new file mode 100644 index 0000000..463f21b --- /dev/null +++ b/Gopkg.toml @@ -0,0 +1,38 @@ +# Gopkg.toml example +# +# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html +# for detailed Gopkg.toml documentation. +# +# required = ["github.com/user/thing/cmd/thing"] +# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"] +# +# [[constraint]] +# name = "github.com/user/project" +# version = "1.0.0" +# +# [[constraint]] +# name = "github.com/user/project2" +# branch = "dev" +# source = "github.com/myfork/project2" +# +# [[override]] +# name = "github.com/x/y" +# version = "2.4.0" +# +# [prune] +# non-go = false +# go-tests = true +# unused-packages = true + + +[[constraint]] + name = "github.com/gin-gonic/gin" + version = "1.3.0" + +[[constraint]] + name = "gopkg.in/olahol/melody.v1" + version = "1.0.0" + +[prune] + go-tests = true + unused-packages = true diff --git a/index.html b/index.html new file mode 100644 index 0000000..866b64e --- /dev/null +++ b/index.html @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + diff --git a/main.go b/main.go new file mode 100644 index 0000000..6b57e96 --- /dev/null +++ b/main.go @@ -0,0 +1,66 @@ +package main + +import ( + "container/ring" + "fmt" + "net/http" + + "github.com/gin-gonic/gin" + melody "gopkg.in/olahol/melody.v1" +) + +func main() { + gin.SetMode(gin.ReleaseMode) + + r := gin.Default() + m := melody.New() + + history := ring.New(10) + + r.GET("/", func(c *gin.Context) { + http.ServeFile(c.Writer, c.Request, "index.html") + }) + + r.GET("/ws", func(c *gin.Context) { + m.HandleRequest(c.Writer, c.Request) + }) + + r.POST("/update", func(c *gin.Context) { + artist := c.PostForm("artist") + title := c.PostForm("title") + if artist == "" || title == "" { + c.JSON(http.StatusBadRequest, gin.H{ + "status": "failure", + }) + return + } + metadata := fmt.Sprintf("%s - %s", artist, title) + + c.JSON(http.StatusOK, gin.H{ + "status": "success", + }) + + for j := 0; j < 10; j++ { + if history.Value == metadata { + history = history.Next() + return + } + history = history.Next() + } + + m.Broadcast([]byte(metadata)) + history.Value = metadata + history = history.Next() + }) + + m.HandleConnect(func(s *melody.Session) { + for j := 0; j < 10; j++ { + if history.Value != nil { + s.Write([]byte(history.Value.(string))) + } + history = history.Next() + } + }) + + r.Run(":1338") +} diff --git a/vendor/github.com/gin-contrib/sse/.travis.yml b/vendor/github.com/gin-contrib/sse/.travis.yml new file mode 100644 index 0000000..a556ac0 --- /dev/null +++ b/vendor/github.com/gin-contrib/sse/.travis.yml @@ -0,0 +1,15 @@ +language: go +sudo: false +go: + - 1.6.4 + - 1.7.4 + - tip + +git: + depth: 3 + +script: + - go test -v -covermode=count -coverprofile=coverage.out + +after_success: + - bash <(curl -s https://codecov.io/bash) \ No newline at end of file diff --git a/vendor/github.com/gin-contrib/sse/LICENSE b/vendor/github.com/gin-contrib/sse/LICENSE new file mode 100644 index 0000000..1ff7f37 --- /dev/null +++ b/vendor/github.com/gin-contrib/sse/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014 Manuel Martínez-Almeida + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/vendor/github.com/gin-contrib/sse/README.md b/vendor/github.com/gin-contrib/sse/README.md new file mode 100644 index 0000000..c9c49cf --- /dev/null +++ b/vendor/github.com/gin-contrib/sse/README.md @@ -0,0 +1,58 @@ +# Server-Sent Events + +[![GoDoc](https://godoc.org/github.com/gin-contrib/sse?status.svg)](https://godoc.org/github.com/gin-contrib/sse) +[![Build Status](https://travis-ci.org/gin-contrib/sse.svg)](https://travis-ci.org/gin-contrib/sse) +[![codecov](https://codecov.io/gh/gin-contrib/sse/branch/master/graph/badge.svg)](https://codecov.io/gh/gin-contrib/sse) +[![Go Report Card](https://goreportcard.com/badge/github.com/gin-contrib/sse)](https://goreportcard.com/report/github.com/gin-contrib/sse) + +Server-sent events (SSE) is a technology where a browser receives automatic updates from a server via HTTP connection. The Server-Sent Events EventSource API is [standardized as part of HTML5[1] by the W3C](http://www.w3.org/TR/2009/WD-eventsource-20091029/). + +- [Read this great SSE introduction by the HTML5Rocks guys](http://www.html5rocks.com/en/tutorials/eventsource/basics/) +- [Browser support](http://caniuse.com/#feat=eventsource) + +## Sample code + +```go +import "github.com/gin-contrib/sse" + +func httpHandler(w http.ResponseWriter, req *http.Request) { + // data can be a primitive like a string, an integer or a float + sse.Encode(w, sse.Event{ + Event: "message", + Data: "some data\nmore data", + }) + + // also a complex type, like a map, a struct or a slice + sse.Encode(w, sse.Event{ + Id: "124", + Event: "message", + Data: map[string]interface{}{ + "user": "manu", + "date": time.Now().Unix(), + "content": "hi!", + }, + }) +} +``` +``` +event: message +data: some data\\nmore data + +id: 124 +event: message +data: {"content":"hi!","date":1431540810,"user":"manu"} + +``` + +## Content-Type + +```go +fmt.Println(sse.ContentType) +``` +``` +text/event-stream +``` + +## Decoding support + +There is a client-side implementation of SSE coming soon. diff --git a/vendor/github.com/gin-contrib/sse/sse-decoder.go b/vendor/github.com/gin-contrib/sse/sse-decoder.go new file mode 100644 index 0000000..fd49b9c --- /dev/null +++ b/vendor/github.com/gin-contrib/sse/sse-decoder.go @@ -0,0 +1,116 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package sse + +import ( + "bytes" + "io" + "io/ioutil" +) + +type decoder struct { + events []Event +} + +func Decode(r io.Reader) ([]Event, error) { + var dec decoder + return dec.decode(r) +} + +func (d *decoder) dispatchEvent(event Event, data string) { + dataLength := len(data) + if dataLength > 0 { + //If the data buffer's last character is a U+000A LINE FEED (LF) character, then remove the last character from the data buffer. + data = data[:dataLength-1] + dataLength-- + } + if dataLength == 0 && event.Event == "" { + return + } + if event.Event == "" { + event.Event = "message" + } + event.Data = data + d.events = append(d.events, event) +} + +func (d *decoder) decode(r io.Reader) ([]Event, error) { + buf, err := ioutil.ReadAll(r) + if err != nil { + return nil, err + } + + var currentEvent Event + var dataBuffer *bytes.Buffer = new(bytes.Buffer) + // TODO (and unit tests) + // Lines must be separated by either a U+000D CARRIAGE RETURN U+000A LINE FEED (CRLF) character pair, + // a single U+000A LINE FEED (LF) character, + // or a single U+000D CARRIAGE RETURN (CR) character. + lines := bytes.Split(buf, []byte{'\n'}) + for _, line := range lines { + if len(line) == 0 { + // If the line is empty (a blank line). Dispatch the event. + d.dispatchEvent(currentEvent, dataBuffer.String()) + + // reset current event and data buffer + currentEvent = Event{} + dataBuffer.Reset() + continue + } + if line[0] == byte(':') { + // If the line starts with a U+003A COLON character (:), ignore the line. + continue + } + + var field, value []byte + colonIndex := bytes.IndexRune(line, ':') + if colonIndex != -1 { + // If the line contains a U+003A COLON character character (:) + // Collect the characters on the line before the first U+003A COLON character (:), + // and let field be that string. + field = line[:colonIndex] + // Collect the characters on the line after the first U+003A COLON character (:), + // and let value be that string. + value = line[colonIndex+1:] + // If value starts with a single U+0020 SPACE character, remove it from value. + if len(value) > 0 && value[0] == ' ' { + value = value[1:] + } + } else { + // Otherwise, the string is not empty but does not contain a U+003A COLON character character (:) + // Use the whole line as the field name, and the empty string as the field value. + field = line + value = []byte{} + } + // The steps to process the field given a field name and a field value depend on the field name, + // as given in the following list. Field names must be compared literally, + // with no case folding performed. + switch string(field) { + case "event": + // Set the event name buffer to field value. + currentEvent.Event = string(value) + case "id": + // Set the event stream's last event ID to the field value. + currentEvent.Id = string(value) + case "retry": + // If the field value consists of only characters in the range U+0030 DIGIT ZERO (0) to U+0039 DIGIT NINE (9), + // then interpret the field value as an integer in base ten, and set the event stream's reconnection time to that integer. + // Otherwise, ignore the field. + currentEvent.Id = string(value) + case "data": + // Append the field value to the data buffer, + dataBuffer.Write(value) + // then append a single U+000A LINE FEED (LF) character to the data buffer. + dataBuffer.WriteString("\n") + default: + //Otherwise. The field is ignored. + continue + } + } + // Once the end of the file is reached, the user agent must dispatch the event one final time. + d.dispatchEvent(currentEvent, dataBuffer.String()) + + return d.events, nil +} diff --git a/vendor/github.com/gin-contrib/sse/sse-encoder.go b/vendor/github.com/gin-contrib/sse/sse-encoder.go new file mode 100644 index 0000000..f9c8087 --- /dev/null +++ b/vendor/github.com/gin-contrib/sse/sse-encoder.go @@ -0,0 +1,110 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package sse + +import ( + "encoding/json" + "fmt" + "io" + "net/http" + "reflect" + "strconv" + "strings" +) + +// Server-Sent Events +// W3C Working Draft 29 October 2009 +// http://www.w3.org/TR/2009/WD-eventsource-20091029/ + +const ContentType = "text/event-stream" + +var contentType = []string{ContentType} +var noCache = []string{"no-cache"} + +var fieldReplacer = strings.NewReplacer( + "\n", "\\n", + "\r", "\\r") + +var dataReplacer = strings.NewReplacer( + "\n", "\ndata:", + "\r", "\\r") + +type Event struct { + Event string + Id string + Retry uint + Data interface{} +} + +func Encode(writer io.Writer, event Event) error { + w := checkWriter(writer) + writeId(w, event.Id) + writeEvent(w, event.Event) + writeRetry(w, event.Retry) + return writeData(w, event.Data) +} + +func writeId(w stringWriter, id string) { + if len(id) > 0 { + w.WriteString("id:") + fieldReplacer.WriteString(w, id) + w.WriteString("\n") + } +} + +func writeEvent(w stringWriter, event string) { + if len(event) > 0 { + w.WriteString("event:") + fieldReplacer.WriteString(w, event) + w.WriteString("\n") + } +} + +func writeRetry(w stringWriter, retry uint) { + if retry > 0 { + w.WriteString("retry:") + w.WriteString(strconv.FormatUint(uint64(retry), 10)) + w.WriteString("\n") + } +} + +func writeData(w stringWriter, data interface{}) error { + w.WriteString("data:") + switch kindOfData(data) { + case reflect.Struct, reflect.Slice, reflect.Map: + err := json.NewEncoder(w).Encode(data) + if err != nil { + return err + } + w.WriteString("\n") + default: + dataReplacer.WriteString(w, fmt.Sprint(data)) + w.WriteString("\n\n") + } + return nil +} + +func (r Event) Render(w http.ResponseWriter) error { + r.WriteContentType(w) + return Encode(w, r) +} + +func (r Event) WriteContentType(w http.ResponseWriter) { + header := w.Header() + header["Content-Type"] = contentType + + if _, exist := header["Cache-Control"]; !exist { + header["Cache-Control"] = noCache + } +} + +func kindOfData(data interface{}) reflect.Kind { + value := reflect.ValueOf(data) + valueType := value.Kind() + if valueType == reflect.Ptr { + valueType = value.Elem().Kind() + } + return valueType +} diff --git a/vendor/github.com/gin-contrib/sse/writer.go b/vendor/github.com/gin-contrib/sse/writer.go new file mode 100644 index 0000000..6f9806c --- /dev/null +++ b/vendor/github.com/gin-contrib/sse/writer.go @@ -0,0 +1,24 @@ +package sse + +import "io" + +type stringWriter interface { + io.Writer + WriteString(string) (int, error) +} + +type stringWrapper struct { + io.Writer +} + +func (w stringWrapper) WriteString(str string) (int, error) { + return w.Writer.Write([]byte(str)) +} + +func checkWriter(writer io.Writer) stringWriter { + if w, ok := writer.(stringWriter); ok { + return w + } else { + return stringWrapper{writer} + } +} diff --git a/vendor/github.com/gin-gonic/gin/.gitignore b/vendor/github.com/gin-gonic/gin/.gitignore new file mode 100644 index 0000000..14dc8f2 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/.gitignore @@ -0,0 +1,5 @@ +vendor/* +!vendor/vendor.json +coverage.out +count.out +test diff --git a/vendor/github.com/gin-gonic/gin/.travis.yml b/vendor/github.com/gin-gonic/gin/.travis.yml new file mode 100644 index 0000000..e910156 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/.travis.yml @@ -0,0 +1,35 @@ +language: go +sudo: false +go: + - 1.6.x + - 1.7.x + - 1.8.x + - 1.9.x + - 1.10.x + - master + +git: + depth: 10 + +install: + - make install + +go_import_path: github.com/gin-gonic/gin + +script: + - make vet + - make fmt-check + - make embedmd + - make misspell-check + - make test + +after_success: + - bash <(curl -s https://codecov.io/bash) + +notifications: + webhooks: + urls: + - https://webhooks.gitter.im/e/7f95bf605c4d356372f4 + on_success: change # options: [always|never|change] default: always + on_failure: always # options: [always|never|change] default: always + on_start: false # default: false diff --git a/vendor/github.com/gin-gonic/gin/AUTHORS.md b/vendor/github.com/gin-gonic/gin/AUTHORS.md new file mode 100644 index 0000000..dda19bc --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/AUTHORS.md @@ -0,0 +1,231 @@ +List of all the awesome people working to make Gin the best Web Framework in Go. + +## gin 1.x series authors + +**Gin Core Team:** Bo-Yi Wu (@appleboy), 田欧 (@thinkerou), Javier Provecho (@javierprovecho) + +## gin 0.x series authors + +**Maintainers:** Manu Martinez-Almeida (@manucorporat), Javier Provecho (@javierprovecho) + +People and companies, who have contributed, in alphabetical order. + +**@858806258 (杰哥)** +- Fix typo in example + + +**@achedeuzot (Klemen Sever)** +- Fix newline debug printing + + +**@adammck (Adam Mckaig)** +- Add MIT license + + +**@AlexanderChen1989 (Alexander)** +- Typos in README + + +**@alexanderdidenko (Aleksandr Didenko)** +- Add support multipart/form-data + + +**@alexandernyquist (Alexander Nyquist)** +- Using template.Must to fix multiple return issue +- ★ Added support for OPTIONS verb +- ★ Setting response headers before calling WriteHeader +- Improved documentation for model binding +- ★ Added Content.Redirect() +- ★ Added tons of Unit tests + + +**@austinheap (Austin Heap)** +- Added travis CI integration + + +**@andredublin (Andre Dublin)** +- Fix typo in comment + + +**@bredov (Ludwig Valda Vasquez)** +- Fix html templating in debug mode + + +**@bluele (Jun Kimura)** +- Fixes code examples in README + + +**@chad-russell** +- ★ Support for serializing gin.H into XML + + +**@dickeyxxx (Jeff Dickey)** +- Typos in README +- Add example about serving static files + + +**@donileo (Adonis)** +- Add NoMethod handler + + +**@dutchcoders (DutchCoders)** +- ★ Fix security bug that allows client to spoof ip +- Fix typo. r.HTMLTemplates -> SetHTMLTemplate + + +**@el3ctro- (Joshua Loper)** +- Fix typo in example + + +**@ethankan (Ethan Kan)** +- Unsigned integers in binding + + +**(Evgeny Persienko)** +- Validate sub structures + + +**@frankbille (Frank Bille)** +- Add support for HTTP Realm Auth + + +**@fmd (Fareed Dudhia)** +- Fix typo. SetHTTPTemplate -> SetHTMLTemplate + + +**@ironiridis (Christopher Harrington)** +- Remove old reference + + +**@jammie-stackhouse (Jamie Stackhouse)** +- Add more shortcuts for router methods + + +**@jasonrhansen** +- Fix spelling and grammar errors in documentation + + +**@JasonSoft (Jason Lee)** +- Fix typo in comment + + +**@joiggama (Ignacio Galindo)** +- Add utf-8 charset header on renders + + +**@julienschmidt (Julien Schmidt)** +- gofmt the code examples + + +**@kelcecil (Kel Cecil)** +- Fix readme typo + + +**@kyledinh (Kyle Dinh)** +- Adds RunTLS() + + +**@LinusU (Linus Unnebäck)** +- Small fixes in README + + +**@loongmxbt (Saint Asky)** +- Fix typo in example + + +**@lucas-clemente (Lucas Clemente)** +- ★ work around path.Join removing trailing slashes from routes + + +**@mattn (Yasuhiro Matsumoto)** +- Improve color logger + + +**@mdigger (Dmitry Sedykh)** +- Fixes Form binding when content-type is x-www-form-urlencoded +- No repeat call c.Writer.Status() in gin.Logger +- Fixes Content-Type for json render + + +**@mirzac (Mirza Ceric)** +- Fix debug printing + + +**@mopemope (Yutaka Matsubara)** +- ★ Adds Godep support (Dependencies Manager) +- Fix variadic parameter in the flexible render API +- Fix Corrupted plain render +- Add Pluggable View Renderer Example + + +**@msemenistyi (Mykyta Semenistyi)** +- update Readme.md. Add code to String method + + +**@msoedov (Sasha Myasoedov)** +- ★ Adds tons of unit tests. + + +**@ngerakines (Nick Gerakines)** +- ★ Improves API, c.GET() doesn't panic +- Adds MustGet() method + + +**@r8k (Rajiv Kilaparti)** +- Fix Port usage in README. + + +**@rayrod2030 (Ray Rodriguez)** +- Fix typo in example + + +**@rns** +- Fix typo in example + + +**@RobAWilkinson (Robert Wilkinson)** +- Add example of forms and params + + +**@rogierlommers (Rogier Lommers)** +- Add updated static serve example + + +**@se77en (Damon Zhao)** +- Improve color logging + + +**@silasb (Silas Baronda)** +- Fixing quotes in README + + +**@SkuliOskarsson (Skuli Oskarsson)** +- Fixes some texts in README II + + +**@slimmy (Jimmy Pettersson)** +- Added messages for required bindings + + +**@smira (Andrey Smirnov)** +- Add support for ignored/unexported fields in binding + + +**@superalsrk (SRK.Lyu)** +- Update httprouter godeps + + +**@tebeka (Miki Tebeka)** +- Use net/http constants instead of numeric values + + +**@techjanitor** +- Update context.go reserved IPs + + +**@yosssi (Keiji Yoshida)** +- Fix link in README + + +**@yuyabee** +- Fixed README diff --git a/vendor/github.com/gin-gonic/gin/BENCHMARKS.md b/vendor/github.com/gin-gonic/gin/BENCHMARKS.md new file mode 100644 index 0000000..9a7df86 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/BENCHMARKS.md @@ -0,0 +1,604 @@ + +## Benchmark System + +**VM HOST:** DigitalOcean +**Machine:** 4 CPU, 8 GB RAM. Ubuntu 16.04.2 x64 +**Date:** July 19th, 2017 +**Go Version:** 1.8.3 linux/amd64 +**Source:** [Go HTTP Router Benchmark](https://github.com/julienschmidt/go-http-routing-benchmark) + +## Static Routes: 157 + +``` +Gin: 30512 Bytes + +HttpServeMux: 17344 Bytes +Ace: 30080 Bytes +Bear: 30472 Bytes +Beego: 96408 Bytes +Bone: 37904 Bytes +Denco: 10464 Bytes +Echo: 73680 Bytes +GocraftWeb: 55720 Bytes +Goji: 27200 Bytes +Gojiv2: 104464 Bytes +GoJsonRest: 136472 Bytes +GoRestful: 914904 Bytes +GorillaMux: 675568 Bytes +HttpRouter: 21128 Bytes +HttpTreeMux: 73448 Bytes +Kocha: 115072 Bytes +LARS: 30120 Bytes +Macaron: 37984 Bytes +Martini: 310832 Bytes +Pat: 20464 Bytes +Possum: 91328 Bytes +R2router: 23712 Bytes +Rivet: 23880 Bytes +Tango: 28008 Bytes +TigerTonic: 80368 Bytes +Traffic: 626480 Bytes +Vulcan: 369064 Bytes +``` + +## GithubAPI Routes: 203 + +``` +Gin: 52672 Bytes + +Ace: 48992 Bytes +Bear: 161592 Bytes +Beego: 147992 Bytes +Bone: 97728 Bytes +Denco: 36440 Bytes +Echo: 95672 Bytes +GocraftWeb: 95640 Bytes +Goji: 86088 Bytes +Gojiv2: 144392 Bytes +GoJsonRest: 134648 Bytes +GoRestful: 1410760 Bytes +GorillaMux: 1509488 Bytes +HttpRouter: 37464 Bytes +HttpTreeMux: 78800 Bytes +Kocha: 785408 Bytes +LARS: 49032 Bytes +Macaron: 132712 Bytes +Martini: 564352 Bytes +Pat: 21200 Bytes +Possum: 83888 Bytes +R2router: 47104 Bytes +Rivet: 42840 Bytes +Tango: 54584 Bytes +TigerTonic: 96384 Bytes +Traffic: 1061920 Bytes +Vulcan: 465296 Bytes +``` + +## GPlusAPI Routes: 13 + +``` +Gin: 3968 Bytes + +Ace: 3600 Bytes +Bear: 7112 Bytes +Beego: 10048 Bytes +Bone: 6480 Bytes +Denco: 3256 Bytes +Echo: 9000 Bytes +GocraftWeb: 7496 Bytes +Goji: 2912 Bytes +Gojiv2: 7376 Bytes +GoJsonRest: 11544 Bytes +GoRestful: 88776 Bytes +GorillaMux: 71488 Bytes +HttpRouter: 2712 Bytes +HttpTreeMux: 7440 Bytes +Kocha: 128880 Bytes +LARS: 3640 Bytes +Macaron: 8656 Bytes +Martini: 23936 Bytes +Pat: 1856 Bytes +Possum: 7248 Bytes +R2router: 3928 Bytes +Rivet: 3064 Bytes +Tango: 4912 Bytes +TigerTonic: 9408 Bytes +Traffic: 49472 Bytes +Vulcan: 25496 Bytes +``` + +## ParseAPI Routes: 26 + +``` +Gin: 6928 Bytes + +Ace: 6592 Bytes +Bear: 12320 Bytes +Beego: 18960 Bytes +Bone: 11024 Bytes +Denco: 4184 Bytes +Echo: 11168 Bytes +GocraftWeb: 12800 Bytes +Goji: 5232 Bytes +Gojiv2: 14464 Bytes +GoJsonRest: 14216 Bytes +GoRestful: 127368 Bytes +GorillaMux: 123016 Bytes +HttpRouter: 4976 Bytes +HttpTreeMux: 7848 Bytes +Kocha: 181712 Bytes +LARS: 6632 Bytes +Macaron: 13648 Bytes +Martini: 45952 Bytes +Pat: 2560 Bytes +Possum: 9200 Bytes +R2router: 7056 Bytes +Rivet: 5680 Bytes +Tango: 8664 Bytes +TigerTonic: 9840 Bytes +Traffic: 93480 Bytes +Vulcan: 44504 Bytes +``` + +## Static Routes + +``` +BenchmarkGin_StaticAll 50000 34506 ns/op 0 B/op 0 allocs/op + +BenchmarkAce_StaticAll 30000 49657 ns/op 0 B/op 0 allocs/op +BenchmarkHttpServeMux_StaticAll 2000 1183737 ns/op 96 B/op 8 allocs/op +BenchmarkBeego_StaticAll 5000 412621 ns/op 57776 B/op 628 allocs/op +BenchmarkBear_StaticAll 10000 149242 ns/op 20336 B/op 461 allocs/op +BenchmarkBone_StaticAll 10000 118583 ns/op 0 B/op 0 allocs/op +BenchmarkDenco_StaticAll 100000 13247 ns/op 0 B/op 0 allocs/op +BenchmarkEcho_StaticAll 20000 79914 ns/op 5024 B/op 157 allocs/op +BenchmarkGocraftWeb_StaticAll 10000 211823 ns/op 46440 B/op 785 allocs/op +BenchmarkGoji_StaticAll 10000 109390 ns/op 0 B/op 0 allocs/op +BenchmarkGojiv2_StaticAll 3000 415533 ns/op 145696 B/op 1099 allocs/op +BenchmarkGoJsonRest_StaticAll 5000 364403 ns/op 51653 B/op 1727 allocs/op +BenchmarkGoRestful_StaticAll 500 2578579 ns/op 314936 B/op 3144 allocs/op +BenchmarkGorillaMux_StaticAll 500 2704856 ns/op 115648 B/op 1578 allocs/op +BenchmarkHttpRouter_StaticAll 100000 18541 ns/op 0 B/op 0 allocs/op +BenchmarkHttpTreeMux_StaticAll 100000 22332 ns/op 0 B/op 0 allocs/op +BenchmarkKocha_StaticAll 50000 31176 ns/op 0 B/op 0 allocs/op +BenchmarkLARS_StaticAll 50000 40840 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_StaticAll 5000 517656 ns/op 120576 B/op 1413 allocs/op +BenchmarkMartini_StaticAll 300 4462289 ns/op 125442 B/op 1717 allocs/op +BenchmarkPat_StaticAll 500 2157275 ns/op 533904 B/op 11123 allocs/op +BenchmarkPossum_StaticAll 10000 254701 ns/op 65312 B/op 471 allocs/op +BenchmarkR2router_StaticAll 10000 133956 ns/op 22608 B/op 628 allocs/op +BenchmarkRivet_StaticAll 30000 46812 ns/op 0 B/op 0 allocs/op +BenchmarkTango_StaticAll 5000 390613 ns/op 39225 B/op 1256 allocs/op +BenchmarkTigerTonic_StaticAll 20000 88060 ns/op 7504 B/op 157 allocs/op +BenchmarkTraffic_StaticAll 500 2910236 ns/op 729736 B/op 14287 allocs/op +BenchmarkVulcan_StaticAll 5000 277366 ns/op 15386 B/op 471 allocs/op +``` + +## Micro Benchmarks + +``` +BenchmarkGin_Param 20000000 113 ns/op 0 B/op 0 allocs/op + +BenchmarkAce_Param 5000000 375 ns/op 32 B/op 1 allocs/op +BenchmarkBear_Param 1000000 1709 ns/op 456 B/op 5 allocs/op +BenchmarkBeego_Param 1000000 2484 ns/op 368 B/op 4 allocs/op +BenchmarkBone_Param 1000000 2391 ns/op 688 B/op 5 allocs/op +BenchmarkDenco_Param 10000000 240 ns/op 32 B/op 1 allocs/op +BenchmarkEcho_Param 5000000 366 ns/op 32 B/op 1 allocs/op +BenchmarkGocraftWeb_Param 1000000 2343 ns/op 648 B/op 8 allocs/op +BenchmarkGoji_Param 1000000 1197 ns/op 336 B/op 2 allocs/op +BenchmarkGojiv2_Param 1000000 2771 ns/op 944 B/op 8 allocs/op +BenchmarkGoJsonRest_Param 1000000 2993 ns/op 649 B/op 13 allocs/op +BenchmarkGoRestful_Param 200000 8860 ns/op 2296 B/op 21 allocs/op +BenchmarkGorillaMux_Param 500000 4461 ns/op 1056 B/op 11 allocs/op +BenchmarkHttpRouter_Param 10000000 175 ns/op 32 B/op 1 allocs/op +BenchmarkHttpTreeMux_Param 1000000 1167 ns/op 352 B/op 3 allocs/op +BenchmarkKocha_Param 3000000 429 ns/op 56 B/op 3 allocs/op +BenchmarkLARS_Param 10000000 134 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_Param 500000 4635 ns/op 1056 B/op 10 allocs/op +BenchmarkMartini_Param 200000 9933 ns/op 1072 B/op 10 allocs/op +BenchmarkPat_Param 1000000 2929 ns/op 648 B/op 12 allocs/op +BenchmarkPossum_Param 1000000 2503 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_Param 1000000 1507 ns/op 432 B/op 5 allocs/op +BenchmarkRivet_Param 5000000 297 ns/op 48 B/op 1 allocs/op +BenchmarkTango_Param 1000000 1862 ns/op 248 B/op 8 allocs/op +BenchmarkTigerTonic_Param 500000 5660 ns/op 992 B/op 17 allocs/op +BenchmarkTraffic_Param 200000 8408 ns/op 1960 B/op 21 allocs/op +BenchmarkVulcan_Param 2000000 963 ns/op 98 B/op 3 allocs/op +BenchmarkAce_Param5 2000000 740 ns/op 160 B/op 1 allocs/op +BenchmarkBear_Param5 1000000 2777 ns/op 501 B/op 5 allocs/op +BenchmarkBeego_Param5 1000000 3740 ns/op 368 B/op 4 allocs/op +BenchmarkBone_Param5 1000000 2950 ns/op 736 B/op 5 allocs/op +BenchmarkDenco_Param5 2000000 644 ns/op 160 B/op 1 allocs/op +BenchmarkEcho_Param5 3000000 558 ns/op 32 B/op 1 allocs/op +BenchmarkGin_Param5 10000000 198 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_Param5 500000 3870 ns/op 920 B/op 11 allocs/op +BenchmarkGoji_Param5 1000000 1746 ns/op 336 B/op 2 allocs/op +BenchmarkGojiv2_Param5 1000000 3214 ns/op 1008 B/op 8 allocs/op +BenchmarkGoJsonRest_Param5 500000 5509 ns/op 1097 B/op 16 allocs/op +BenchmarkGoRestful_Param5 200000 11232 ns/op 2392 B/op 21 allocs/op +BenchmarkGorillaMux_Param5 300000 7777 ns/op 1184 B/op 11 allocs/op +BenchmarkHttpRouter_Param5 3000000 631 ns/op 160 B/op 1 allocs/op +BenchmarkHttpTreeMux_Param5 1000000 2800 ns/op 576 B/op 6 allocs/op +BenchmarkKocha_Param5 1000000 2053 ns/op 440 B/op 10 allocs/op +BenchmarkLARS_Param5 10000000 232 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_Param5 500000 5888 ns/op 1056 B/op 10 allocs/op +BenchmarkMartini_Param5 200000 12807 ns/op 1232 B/op 11 allocs/op +BenchmarkPat_Param5 300000 7320 ns/op 964 B/op 32 allocs/op +BenchmarkPossum_Param5 1000000 2495 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_Param5 1000000 1844 ns/op 432 B/op 5 allocs/op +BenchmarkRivet_Param5 2000000 935 ns/op 240 B/op 1 allocs/op +BenchmarkTango_Param5 1000000 2327 ns/op 360 B/op 8 allocs/op +BenchmarkTigerTonic_Param5 100000 18514 ns/op 2551 B/op 43 allocs/op +BenchmarkTraffic_Param5 200000 11997 ns/op 2248 B/op 25 allocs/op +BenchmarkVulcan_Param5 1000000 1333 ns/op 98 B/op 3 allocs/op +BenchmarkAce_Param20 1000000 2031 ns/op 640 B/op 1 allocs/op +BenchmarkBear_Param20 200000 7285 ns/op 1664 B/op 5 allocs/op +BenchmarkBeego_Param20 300000 6224 ns/op 368 B/op 4 allocs/op +BenchmarkBone_Param20 200000 8023 ns/op 1903 B/op 5 allocs/op +BenchmarkDenco_Param20 1000000 2262 ns/op 640 B/op 1 allocs/op +BenchmarkEcho_Param20 1000000 1387 ns/op 32 B/op 1 allocs/op +BenchmarkGin_Param20 3000000 503 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_Param20 100000 14408 ns/op 3795 B/op 15 allocs/op +BenchmarkGoji_Param20 500000 5272 ns/op 1247 B/op 2 allocs/op +BenchmarkGojiv2_Param20 1000000 4163 ns/op 1248 B/op 8 allocs/op +BenchmarkGoJsonRest_Param20 100000 17866 ns/op 4485 B/op 20 allocs/op +BenchmarkGoRestful_Param20 100000 21022 ns/op 4724 B/op 23 allocs/op +BenchmarkGorillaMux_Param20 100000 17055 ns/op 3547 B/op 13 allocs/op +BenchmarkHttpRouter_Param20 1000000 1748 ns/op 640 B/op 1 allocs/op +BenchmarkHttpTreeMux_Param20 200000 12246 ns/op 3196 B/op 10 allocs/op +BenchmarkKocha_Param20 300000 6861 ns/op 1808 B/op 27 allocs/op +BenchmarkLARS_Param20 3000000 526 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_Param20 100000 13069 ns/op 2906 B/op 12 allocs/op +BenchmarkMartini_Param20 100000 23602 ns/op 3597 B/op 13 allocs/op +BenchmarkPat_Param20 50000 32143 ns/op 4688 B/op 111 allocs/op +BenchmarkPossum_Param20 1000000 2396 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_Param20 200000 8907 ns/op 2283 B/op 7 allocs/op +BenchmarkRivet_Param20 1000000 3280 ns/op 1024 B/op 1 allocs/op +BenchmarkTango_Param20 500000 4640 ns/op 856 B/op 8 allocs/op +BenchmarkTigerTonic_Param20 20000 67581 ns/op 10532 B/op 138 allocs/op +BenchmarkTraffic_Param20 50000 40313 ns/op 7941 B/op 45 allocs/op +BenchmarkVulcan_Param20 1000000 2264 ns/op 98 B/op 3 allocs/op +BenchmarkAce_ParamWrite 3000000 532 ns/op 40 B/op 2 allocs/op +BenchmarkBear_ParamWrite 1000000 1778 ns/op 456 B/op 5 allocs/op +BenchmarkBeego_ParamWrite 1000000 2596 ns/op 376 B/op 5 allocs/op +BenchmarkBone_ParamWrite 1000000 2519 ns/op 688 B/op 5 allocs/op +BenchmarkDenco_ParamWrite 5000000 411 ns/op 32 B/op 1 allocs/op +BenchmarkEcho_ParamWrite 2000000 718 ns/op 40 B/op 2 allocs/op +BenchmarkGin_ParamWrite 5000000 283 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_ParamWrite 1000000 2561 ns/op 656 B/op 9 allocs/op +BenchmarkGoji_ParamWrite 1000000 1378 ns/op 336 B/op 2 allocs/op +BenchmarkGojiv2_ParamWrite 1000000 3128 ns/op 976 B/op 10 allocs/op +BenchmarkGoJsonRest_ParamWrite 500000 4446 ns/op 1128 B/op 18 allocs/op +BenchmarkGoRestful_ParamWrite 200000 10291 ns/op 2304 B/op 22 allocs/op +BenchmarkGorillaMux_ParamWrite 500000 5153 ns/op 1064 B/op 12 allocs/op +BenchmarkHttpRouter_ParamWrite 5000000 263 ns/op 32 B/op 1 allocs/op +BenchmarkHttpTreeMux_ParamWrite 1000000 1351 ns/op 352 B/op 3 allocs/op +BenchmarkKocha_ParamWrite 3000000 538 ns/op 56 B/op 3 allocs/op +BenchmarkLARS_ParamWrite 5000000 316 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_ParamWrite 500000 5756 ns/op 1160 B/op 14 allocs/op +BenchmarkMartini_ParamWrite 200000 13097 ns/op 1176 B/op 14 allocs/op +BenchmarkPat_ParamWrite 500000 4954 ns/op 1072 B/op 17 allocs/op +BenchmarkPossum_ParamWrite 1000000 2499 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_ParamWrite 1000000 1531 ns/op 432 B/op 5 allocs/op +BenchmarkRivet_ParamWrite 3000000 570 ns/op 112 B/op 2 allocs/op +BenchmarkTango_ParamWrite 2000000 957 ns/op 136 B/op 4 allocs/op +BenchmarkTigerTonic_ParamWrite 200000 7025 ns/op 1424 B/op 23 allocs/op +BenchmarkTraffic_ParamWrite 200000 10112 ns/op 2384 B/op 25 allocs/op +BenchmarkVulcan_ParamWrite 1000000 1006 ns/op 98 B/op 3 allocs/op +``` + +## GitHub + +``` +BenchmarkGin_GithubStatic 10000000 156 ns/op 0 B/op 0 allocs/op + +BenchmarkAce_GithubStatic 5000000 294 ns/op 0 B/op 0 allocs/op +BenchmarkBear_GithubStatic 2000000 893 ns/op 120 B/op 3 allocs/op +BenchmarkBeego_GithubStatic 1000000 2491 ns/op 368 B/op 4 allocs/op +BenchmarkBone_GithubStatic 50000 25300 ns/op 2880 B/op 60 allocs/op +BenchmarkDenco_GithubStatic 20000000 76.0 ns/op 0 B/op 0 allocs/op +BenchmarkEcho_GithubStatic 2000000 516 ns/op 32 B/op 1 allocs/op +BenchmarkGocraftWeb_GithubStatic 1000000 1448 ns/op 296 B/op 5 allocs/op +BenchmarkGoji_GithubStatic 3000000 496 ns/op 0 B/op 0 allocs/op +BenchmarkGojiv2_GithubStatic 1000000 2941 ns/op 928 B/op 7 allocs/op +BenchmarkGoRestful_GithubStatic 100000 27256 ns/op 3224 B/op 22 allocs/op +BenchmarkGoJsonRest_GithubStatic 1000000 2196 ns/op 329 B/op 11 allocs/op +BenchmarkGorillaMux_GithubStatic 50000 31617 ns/op 736 B/op 10 allocs/op +BenchmarkHttpRouter_GithubStatic 20000000 88.4 ns/op 0 B/op 0 allocs/op +BenchmarkHttpTreeMux_GithubStatic 10000000 134 ns/op 0 B/op 0 allocs/op +BenchmarkKocha_GithubStatic 20000000 113 ns/op 0 B/op 0 allocs/op +BenchmarkLARS_GithubStatic 10000000 195 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_GithubStatic 500000 3740 ns/op 768 B/op 9 allocs/op +BenchmarkMartini_GithubStatic 50000 27673 ns/op 768 B/op 9 allocs/op +BenchmarkPat_GithubStatic 100000 19470 ns/op 3648 B/op 76 allocs/op +BenchmarkPossum_GithubStatic 1000000 1729 ns/op 416 B/op 3 allocs/op +BenchmarkR2router_GithubStatic 2000000 879 ns/op 144 B/op 4 allocs/op +BenchmarkRivet_GithubStatic 10000000 231 ns/op 0 B/op 0 allocs/op +BenchmarkTango_GithubStatic 1000000 2325 ns/op 248 B/op 8 allocs/op +BenchmarkTigerTonic_GithubStatic 3000000 610 ns/op 48 B/op 1 allocs/op +BenchmarkTraffic_GithubStatic 20000 62973 ns/op 18904 B/op 148 allocs/op +BenchmarkVulcan_GithubStatic 1000000 1447 ns/op 98 B/op 3 allocs/op +BenchmarkAce_GithubParam 2000000 686 ns/op 96 B/op 1 allocs/op +BenchmarkBear_GithubParam 1000000 2155 ns/op 496 B/op 5 allocs/op +BenchmarkBeego_GithubParam 1000000 2713 ns/op 368 B/op 4 allocs/op +BenchmarkBone_GithubParam 100000 15088 ns/op 1760 B/op 18 allocs/op +BenchmarkDenco_GithubParam 2000000 629 ns/op 128 B/op 1 allocs/op +BenchmarkEcho_GithubParam 2000000 653 ns/op 32 B/op 1 allocs/op +BenchmarkGin_GithubParam 5000000 255 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_GithubParam 1000000 3145 ns/op 712 B/op 9 allocs/op +BenchmarkGoji_GithubParam 1000000 1916 ns/op 336 B/op 2 allocs/op +BenchmarkGojiv2_GithubParam 1000000 3975 ns/op 1024 B/op 10 allocs/op +BenchmarkGoJsonRest_GithubParam 300000 4134 ns/op 713 B/op 14 allocs/op +BenchmarkGoRestful_GithubParam 50000 30782 ns/op 2360 B/op 21 allocs/op +BenchmarkGorillaMux_GithubParam 100000 17148 ns/op 1088 B/op 11 allocs/op +BenchmarkHttpRouter_GithubParam 3000000 523 ns/op 96 B/op 1 allocs/op +BenchmarkHttpTreeMux_GithubParam 1000000 1671 ns/op 384 B/op 4 allocs/op +BenchmarkKocha_GithubParam 1000000 1021 ns/op 128 B/op 5 allocs/op +BenchmarkLARS_GithubParam 5000000 283 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_GithubParam 500000 4270 ns/op 1056 B/op 10 allocs/op +BenchmarkMartini_GithubParam 100000 21728 ns/op 1152 B/op 11 allocs/op +BenchmarkPat_GithubParam 200000 11208 ns/op 2464 B/op 48 allocs/op +BenchmarkPossum_GithubParam 1000000 2334 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_GithubParam 1000000 1487 ns/op 432 B/op 5 allocs/op +BenchmarkRivet_GithubParam 2000000 782 ns/op 96 B/op 1 allocs/op +BenchmarkTango_GithubParam 1000000 2653 ns/op 344 B/op 8 allocs/op +BenchmarkTigerTonic_GithubParam 300000 14073 ns/op 1440 B/op 24 allocs/op +BenchmarkTraffic_GithubParam 50000 29164 ns/op 5992 B/op 52 allocs/op +BenchmarkVulcan_GithubParam 1000000 2529 ns/op 98 B/op 3 allocs/op +BenchmarkAce_GithubAll 10000 134059 ns/op 13792 B/op 167 allocs/op +BenchmarkBear_GithubAll 5000 534445 ns/op 86448 B/op 943 allocs/op +BenchmarkBeego_GithubAll 3000 592444 ns/op 74705 B/op 812 allocs/op +BenchmarkBone_GithubAll 200 6957308 ns/op 698784 B/op 8453 allocs/op +BenchmarkDenco_GithubAll 10000 158819 ns/op 20224 B/op 167 allocs/op +BenchmarkEcho_GithubAll 10000 154700 ns/op 6496 B/op 203 allocs/op +BenchmarkGin_GithubAll 30000 48375 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_GithubAll 3000 570806 ns/op 131656 B/op 1686 allocs/op +BenchmarkGoji_GithubAll 2000 818034 ns/op 56112 B/op 334 allocs/op +BenchmarkGojiv2_GithubAll 2000 1213973 ns/op 274768 B/op 3712 allocs/op +BenchmarkGoJsonRest_GithubAll 2000 785796 ns/op 134371 B/op 2737 allocs/op +BenchmarkGoRestful_GithubAll 300 5238188 ns/op 689672 B/op 4519 allocs/op +BenchmarkGorillaMux_GithubAll 100 10257726 ns/op 211840 B/op 2272 allocs/op +BenchmarkHttpRouter_GithubAll 20000 105414 ns/op 13792 B/op 167 allocs/op +BenchmarkHttpTreeMux_GithubAll 10000 319934 ns/op 65856 B/op 671 allocs/op +BenchmarkKocha_GithubAll 10000 209442 ns/op 23304 B/op 843 allocs/op +BenchmarkLARS_GithubAll 20000 62565 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_GithubAll 2000 1161270 ns/op 204194 B/op 2000 allocs/op +BenchmarkMartini_GithubAll 200 9991713 ns/op 226549 B/op 2325 allocs/op +BenchmarkPat_GithubAll 200 5590793 ns/op 1499568 B/op 27435 allocs/op +BenchmarkPossum_GithubAll 10000 319768 ns/op 84448 B/op 609 allocs/op +BenchmarkR2router_GithubAll 10000 305134 ns/op 77328 B/op 979 allocs/op +BenchmarkRivet_GithubAll 10000 132134 ns/op 16272 B/op 167 allocs/op +BenchmarkTango_GithubAll 3000 552754 ns/op 63826 B/op 1618 allocs/op +BenchmarkTigerTonic_GithubAll 1000 1439483 ns/op 239104 B/op 5374 allocs/op +BenchmarkTraffic_GithubAll 100 11383067 ns/op 2659329 B/op 21848 allocs/op +BenchmarkVulcan_GithubAll 5000 394253 ns/op 19894 B/op 609 allocs/op +``` + +## Google+ + +``` +BenchmarkGin_GPlusStatic 10000000 183 ns/op 0 B/op 0 allocs/op + +BenchmarkAce_GPlusStatic 5000000 276 ns/op 0 B/op 0 allocs/op +BenchmarkBear_GPlusStatic 2000000 652 ns/op 104 B/op 3 allocs/op +BenchmarkBeego_GPlusStatic 1000000 2239 ns/op 368 B/op 4 allocs/op +BenchmarkBone_GPlusStatic 5000000 380 ns/op 32 B/op 1 allocs/op +BenchmarkDenco_GPlusStatic 30000000 45.8 ns/op 0 B/op 0 allocs/op +BenchmarkEcho_GPlusStatic 5000000 338 ns/op 32 B/op 1 allocs/op +BenchmarkGocraftWeb_GPlusStatic 1000000 1158 ns/op 280 B/op 5 allocs/op +BenchmarkGoji_GPlusStatic 5000000 331 ns/op 0 B/op 0 allocs/op +BenchmarkGojiv2_GPlusStatic 1000000 2106 ns/op 928 B/op 7 allocs/op +BenchmarkGoJsonRest_GPlusStatic 1000000 1626 ns/op 329 B/op 11 allocs/op +BenchmarkGoRestful_GPlusStatic 300000 7598 ns/op 1976 B/op 20 allocs/op +BenchmarkGorillaMux_GPlusStatic 1000000 2629 ns/op 736 B/op 10 allocs/op +BenchmarkHttpRouter_GPlusStatic 30000000 52.5 ns/op 0 B/op 0 allocs/op +BenchmarkHttpTreeMux_GPlusStatic 20000000 85.8 ns/op 0 B/op 0 allocs/op +BenchmarkKocha_GPlusStatic 20000000 89.2 ns/op 0 B/op 0 allocs/op +BenchmarkLARS_GPlusStatic 10000000 162 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_GPlusStatic 500000 3479 ns/op 768 B/op 9 allocs/op +BenchmarkMartini_GPlusStatic 200000 9092 ns/op 768 B/op 9 allocs/op +BenchmarkPat_GPlusStatic 3000000 493 ns/op 96 B/op 2 allocs/op +BenchmarkPossum_GPlusStatic 1000000 1467 ns/op 416 B/op 3 allocs/op +BenchmarkR2router_GPlusStatic 2000000 788 ns/op 144 B/op 4 allocs/op +BenchmarkRivet_GPlusStatic 20000000 114 ns/op 0 B/op 0 allocs/op +BenchmarkTango_GPlusStatic 1000000 1534 ns/op 200 B/op 8 allocs/op +BenchmarkTigerTonic_GPlusStatic 5000000 282 ns/op 32 B/op 1 allocs/op +BenchmarkTraffic_GPlusStatic 500000 3798 ns/op 1192 B/op 15 allocs/op +BenchmarkVulcan_GPlusStatic 2000000 1125 ns/op 98 B/op 3 allocs/op +BenchmarkAce_GPlusParam 3000000 528 ns/op 64 B/op 1 allocs/op +BenchmarkBear_GPlusParam 1000000 1570 ns/op 480 B/op 5 allocs/op +BenchmarkBeego_GPlusParam 1000000 2369 ns/op 368 B/op 4 allocs/op +BenchmarkBone_GPlusParam 1000000 2028 ns/op 688 B/op 5 allocs/op +BenchmarkDenco_GPlusParam 5000000 385 ns/op 64 B/op 1 allocs/op +BenchmarkEcho_GPlusParam 3000000 441 ns/op 32 B/op 1 allocs/op +BenchmarkGin_GPlusParam 10000000 174 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_GPlusParam 1000000 2033 ns/op 648 B/op 8 allocs/op +BenchmarkGoji_GPlusParam 1000000 1399 ns/op 336 B/op 2 allocs/op +BenchmarkGojiv2_GPlusParam 1000000 2641 ns/op 944 B/op 8 allocs/op +BenchmarkGoJsonRest_GPlusParam 1000000 2824 ns/op 649 B/op 13 allocs/op +BenchmarkGoRestful_GPlusParam 200000 8875 ns/op 2296 B/op 21 allocs/op +BenchmarkGorillaMux_GPlusParam 200000 6291 ns/op 1056 B/op 11 allocs/op +BenchmarkHttpRouter_GPlusParam 5000000 316 ns/op 64 B/op 1 allocs/op +BenchmarkHttpTreeMux_GPlusParam 1000000 1129 ns/op 352 B/op 3 allocs/op +BenchmarkKocha_GPlusParam 3000000 538 ns/op 56 B/op 3 allocs/op +BenchmarkLARS_GPlusParam 10000000 198 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_GPlusParam 500000 3554 ns/op 1056 B/op 10 allocs/op +BenchmarkMartini_GPlusParam 200000 9831 ns/op 1072 B/op 10 allocs/op +BenchmarkPat_GPlusParam 1000000 2706 ns/op 688 B/op 12 allocs/op +BenchmarkPossum_GPlusParam 1000000 2297 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_GPlusParam 1000000 1318 ns/op 432 B/op 5 allocs/op +BenchmarkRivet_GPlusParam 5000000 399 ns/op 48 B/op 1 allocs/op +BenchmarkTango_GPlusParam 1000000 2070 ns/op 264 B/op 8 allocs/op +BenchmarkTigerTonic_GPlusParam 500000 4853 ns/op 1056 B/op 17 allocs/op +BenchmarkTraffic_GPlusParam 200000 8278 ns/op 1976 B/op 21 allocs/op +BenchmarkVulcan_GPlusParam 1000000 1243 ns/op 98 B/op 3 allocs/op +BenchmarkAce_GPlus2Params 3000000 549 ns/op 64 B/op 1 allocs/op +BenchmarkBear_GPlus2Params 1000000 2112 ns/op 496 B/op 5 allocs/op +BenchmarkBeego_GPlus2Params 500000 2750 ns/op 368 B/op 4 allocs/op +BenchmarkBone_GPlus2Params 300000 7032 ns/op 1040 B/op 9 allocs/op +BenchmarkDenco_GPlus2Params 3000000 502 ns/op 64 B/op 1 allocs/op +BenchmarkEcho_GPlus2Params 3000000 641 ns/op 32 B/op 1 allocs/op +BenchmarkGin_GPlus2Params 5000000 250 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_GPlus2Params 1000000 2681 ns/op 712 B/op 9 allocs/op +BenchmarkGoji_GPlus2Params 1000000 1926 ns/op 336 B/op 2 allocs/op +BenchmarkGojiv2_GPlus2Params 500000 3996 ns/op 1024 B/op 11 allocs/op +BenchmarkGoJsonRest_GPlus2Params 500000 3886 ns/op 713 B/op 14 allocs/op +BenchmarkGoRestful_GPlus2Params 200000 10376 ns/op 2360 B/op 21 allocs/op +BenchmarkGorillaMux_GPlus2Params 100000 14162 ns/op 1088 B/op 11 allocs/op +BenchmarkHttpRouter_GPlus2Params 5000000 336 ns/op 64 B/op 1 allocs/op +BenchmarkHttpTreeMux_GPlus2Params 1000000 1523 ns/op 384 B/op 4 allocs/op +BenchmarkKocha_GPlus2Params 2000000 970 ns/op 128 B/op 5 allocs/op +BenchmarkLARS_GPlus2Params 5000000 238 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_GPlus2Params 500000 4016 ns/op 1056 B/op 10 allocs/op +BenchmarkMartini_GPlus2Params 100000 21253 ns/op 1200 B/op 13 allocs/op +BenchmarkPat_GPlus2Params 200000 8632 ns/op 2256 B/op 34 allocs/op +BenchmarkPossum_GPlus2Params 1000000 2171 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_GPlus2Params 1000000 1340 ns/op 432 B/op 5 allocs/op +BenchmarkRivet_GPlus2Params 3000000 557 ns/op 96 B/op 1 allocs/op +BenchmarkTango_GPlus2Params 1000000 2186 ns/op 344 B/op 8 allocs/op +BenchmarkTigerTonic_GPlus2Params 200000 9060 ns/op 1488 B/op 24 allocs/op +BenchmarkTraffic_GPlus2Params 100000 20324 ns/op 3272 B/op 31 allocs/op +BenchmarkVulcan_GPlus2Params 1000000 2039 ns/op 98 B/op 3 allocs/op +BenchmarkAce_GPlusAll 300000 6603 ns/op 640 B/op 11 allocs/op +BenchmarkBear_GPlusAll 100000 22363 ns/op 5488 B/op 61 allocs/op +BenchmarkBeego_GPlusAll 50000 38757 ns/op 4784 B/op 52 allocs/op +BenchmarkBone_GPlusAll 20000 54916 ns/op 10336 B/op 98 allocs/op +BenchmarkDenco_GPlusAll 300000 4959 ns/op 672 B/op 11 allocs/op +BenchmarkEcho_GPlusAll 200000 6558 ns/op 416 B/op 13 allocs/op +BenchmarkGin_GPlusAll 500000 2757 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_GPlusAll 50000 34615 ns/op 8040 B/op 103 allocs/op +BenchmarkGoji_GPlusAll 100000 16002 ns/op 3696 B/op 22 allocs/op +BenchmarkGojiv2_GPlusAll 50000 35060 ns/op 12624 B/op 115 allocs/op +BenchmarkGoJsonRest_GPlusAll 50000 41479 ns/op 8117 B/op 170 allocs/op +BenchmarkGoRestful_GPlusAll 10000 131653 ns/op 32024 B/op 275 allocs/op +BenchmarkGorillaMux_GPlusAll 10000 101380 ns/op 13296 B/op 142 allocs/op +BenchmarkHttpRouter_GPlusAll 500000 3711 ns/op 640 B/op 11 allocs/op +BenchmarkHttpTreeMux_GPlusAll 100000 14438 ns/op 4032 B/op 38 allocs/op +BenchmarkKocha_GPlusAll 200000 8039 ns/op 976 B/op 43 allocs/op +BenchmarkLARS_GPlusAll 500000 2630 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_GPlusAll 30000 51123 ns/op 13152 B/op 128 allocs/op +BenchmarkMartini_GPlusAll 10000 176157 ns/op 14016 B/op 145 allocs/op +BenchmarkPat_GPlusAll 20000 69911 ns/op 16576 B/op 298 allocs/op +BenchmarkPossum_GPlusAll 100000 20716 ns/op 5408 B/op 39 allocs/op +BenchmarkR2router_GPlusAll 100000 17463 ns/op 5040 B/op 63 allocs/op +BenchmarkRivet_GPlusAll 300000 5142 ns/op 768 B/op 11 allocs/op +BenchmarkTango_GPlusAll 50000 27321 ns/op 3656 B/op 104 allocs/op +BenchmarkTigerTonic_GPlusAll 20000 77597 ns/op 14512 B/op 288 allocs/op +BenchmarkTraffic_GPlusAll 10000 151406 ns/op 37360 B/op 392 allocs/op +BenchmarkVulcan_GPlusAll 100000 18555 ns/op 1274 B/op 39 allocs/op +``` + +## Parse.com + +``` +BenchmarkGin_ParseStatic 10000000 133 ns/op 0 B/op 0 allocs/op + +BenchmarkAce_ParseStatic 5000000 241 ns/op 0 B/op 0 allocs/op +BenchmarkBear_ParseStatic 2000000 728 ns/op 120 B/op 3 allocs/op +BenchmarkBeego_ParseStatic 1000000 2623 ns/op 368 B/op 4 allocs/op +BenchmarkBone_ParseStatic 1000000 1285 ns/op 144 B/op 3 allocs/op +BenchmarkDenco_ParseStatic 30000000 57.8 ns/op 0 B/op 0 allocs/op +BenchmarkEcho_ParseStatic 5000000 342 ns/op 32 B/op 1 allocs/op +BenchmarkGocraftWeb_ParseStatic 1000000 1478 ns/op 296 B/op 5 allocs/op +BenchmarkGoji_ParseStatic 3000000 415 ns/op 0 B/op 0 allocs/op +BenchmarkGojiv2_ParseStatic 1000000 2087 ns/op 928 B/op 7 allocs/op +BenchmarkGoJsonRest_ParseStatic 1000000 1712 ns/op 329 B/op 11 allocs/op +BenchmarkGoRestful_ParseStatic 200000 11072 ns/op 3224 B/op 22 allocs/op +BenchmarkGorillaMux_ParseStatic 500000 4129 ns/op 752 B/op 11 allocs/op +BenchmarkHttpRouter_ParseStatic 30000000 52.4 ns/op 0 B/op 0 allocs/op +BenchmarkHttpTreeMux_ParseStatic 20000000 109 ns/op 0 B/op 0 allocs/op +BenchmarkKocha_ParseStatic 20000000 81.8 ns/op 0 B/op 0 allocs/op +BenchmarkLARS_ParseStatic 10000000 150 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_ParseStatic 1000000 3288 ns/op 768 B/op 9 allocs/op +BenchmarkMartini_ParseStatic 200000 9110 ns/op 768 B/op 9 allocs/op +BenchmarkPat_ParseStatic 1000000 1135 ns/op 240 B/op 5 allocs/op +BenchmarkPossum_ParseStatic 1000000 1557 ns/op 416 B/op 3 allocs/op +BenchmarkR2router_ParseStatic 2000000 730 ns/op 144 B/op 4 allocs/op +BenchmarkRivet_ParseStatic 10000000 121 ns/op 0 B/op 0 allocs/op +BenchmarkTango_ParseStatic 1000000 1688 ns/op 248 B/op 8 allocs/op +BenchmarkTigerTonic_ParseStatic 3000000 427 ns/op 48 B/op 1 allocs/op +BenchmarkTraffic_ParseStatic 500000 5962 ns/op 1816 B/op 20 allocs/op +BenchmarkVulcan_ParseStatic 2000000 969 ns/op 98 B/op 3 allocs/op +BenchmarkAce_ParseParam 3000000 497 ns/op 64 B/op 1 allocs/op +BenchmarkBear_ParseParam 1000000 1473 ns/op 467 B/op 5 allocs/op +BenchmarkBeego_ParseParam 1000000 2384 ns/op 368 B/op 4 allocs/op +BenchmarkBone_ParseParam 1000000 2513 ns/op 768 B/op 6 allocs/op +BenchmarkDenco_ParseParam 5000000 364 ns/op 64 B/op 1 allocs/op +BenchmarkEcho_ParseParam 5000000 418 ns/op 32 B/op 1 allocs/op +BenchmarkGin_ParseParam 10000000 163 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_ParseParam 1000000 2361 ns/op 664 B/op 8 allocs/op +BenchmarkGoji_ParseParam 1000000 1590 ns/op 336 B/op 2 allocs/op +BenchmarkGojiv2_ParseParam 1000000 2851 ns/op 976 B/op 9 allocs/op +BenchmarkGoJsonRest_ParseParam 1000000 2965 ns/op 649 B/op 13 allocs/op +BenchmarkGoRestful_ParseParam 200000 12207 ns/op 3544 B/op 23 allocs/op +BenchmarkGorillaMux_ParseParam 500000 5187 ns/op 1088 B/op 12 allocs/op +BenchmarkHttpRouter_ParseParam 5000000 275 ns/op 64 B/op 1 allocs/op +BenchmarkHttpTreeMux_ParseParam 1000000 1108 ns/op 352 B/op 3 allocs/op +BenchmarkKocha_ParseParam 3000000 495 ns/op 56 B/op 3 allocs/op +BenchmarkLARS_ParseParam 10000000 192 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_ParseParam 500000 4103 ns/op 1056 B/op 10 allocs/op +BenchmarkMartini_ParseParam 200000 9878 ns/op 1072 B/op 10 allocs/op +BenchmarkPat_ParseParam 500000 3657 ns/op 1120 B/op 17 allocs/op +BenchmarkPossum_ParseParam 1000000 2084 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_ParseParam 1000000 1251 ns/op 432 B/op 5 allocs/op +BenchmarkRivet_ParseParam 5000000 335 ns/op 48 B/op 1 allocs/op +BenchmarkTango_ParseParam 1000000 1854 ns/op 280 B/op 8 allocs/op +BenchmarkTigerTonic_ParseParam 500000 4582 ns/op 1008 B/op 17 allocs/op +BenchmarkTraffic_ParseParam 200000 8125 ns/op 2248 B/op 23 allocs/op +BenchmarkVulcan_ParseParam 1000000 1148 ns/op 98 B/op 3 allocs/op +BenchmarkAce_Parse2Params 3000000 539 ns/op 64 B/op 1 allocs/op +BenchmarkBear_Parse2Params 1000000 1778 ns/op 496 B/op 5 allocs/op +BenchmarkBeego_Parse2Params 1000000 2519 ns/op 368 B/op 4 allocs/op +BenchmarkBone_Parse2Params 1000000 2596 ns/op 720 B/op 5 allocs/op +BenchmarkDenco_Parse2Params 3000000 492 ns/op 64 B/op 1 allocs/op +BenchmarkEcho_Parse2Params 3000000 484 ns/op 32 B/op 1 allocs/op +BenchmarkGin_Parse2Params 10000000 193 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_Parse2Params 1000000 2575 ns/op 712 B/op 9 allocs/op +BenchmarkGoji_Parse2Params 1000000 1373 ns/op 336 B/op 2 allocs/op +BenchmarkGojiv2_Parse2Params 500000 2416 ns/op 960 B/op 8 allocs/op +BenchmarkGoJsonRest_Parse2Params 300000 3452 ns/op 713 B/op 14 allocs/op +BenchmarkGoRestful_Parse2Params 100000 17719 ns/op 6008 B/op 25 allocs/op +BenchmarkGorillaMux_Parse2Params 300000 5102 ns/op 1088 B/op 11 allocs/op +BenchmarkHttpRouter_Parse2Params 5000000 303 ns/op 64 B/op 1 allocs/op +BenchmarkHttpTreeMux_Parse2Params 1000000 1372 ns/op 384 B/op 4 allocs/op +BenchmarkKocha_Parse2Params 2000000 874 ns/op 128 B/op 5 allocs/op +BenchmarkLARS_Parse2Params 10000000 192 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_Parse2Params 500000 3871 ns/op 1056 B/op 10 allocs/op +BenchmarkMartini_Parse2Params 200000 9954 ns/op 1152 B/op 11 allocs/op +BenchmarkPat_Parse2Params 500000 4194 ns/op 832 B/op 17 allocs/op +BenchmarkPossum_Parse2Params 1000000 2121 ns/op 560 B/op 6 allocs/op +BenchmarkR2router_Parse2Params 1000000 1415 ns/op 432 B/op 5 allocs/op +BenchmarkRivet_Parse2Params 3000000 457 ns/op 96 B/op 1 allocs/op +BenchmarkTango_Parse2Params 1000000 1914 ns/op 312 B/op 8 allocs/op +BenchmarkTigerTonic_Parse2Params 300000 6895 ns/op 1408 B/op 24 allocs/op +BenchmarkTraffic_Parse2Params 200000 8317 ns/op 2040 B/op 22 allocs/op +BenchmarkVulcan_Parse2Params 1000000 1274 ns/op 98 B/op 3 allocs/op +BenchmarkAce_ParseAll 200000 10401 ns/op 640 B/op 16 allocs/op +BenchmarkBear_ParseAll 50000 37743 ns/op 8928 B/op 110 allocs/op +BenchmarkBeego_ParseAll 20000 63193 ns/op 9568 B/op 104 allocs/op +BenchmarkBone_ParseAll 20000 61767 ns/op 14160 B/op 131 allocs/op +BenchmarkDenco_ParseAll 300000 7036 ns/op 928 B/op 16 allocs/op +BenchmarkEcho_ParseAll 200000 11824 ns/op 832 B/op 26 allocs/op +BenchmarkGin_ParseAll 300000 4199 ns/op 0 B/op 0 allocs/op +BenchmarkGocraftWeb_ParseAll 30000 51758 ns/op 13728 B/op 181 allocs/op +BenchmarkGoji_ParseAll 50000 29614 ns/op 5376 B/op 32 allocs/op +BenchmarkGojiv2_ParseAll 20000 68676 ns/op 24464 B/op 199 allocs/op +BenchmarkGoJsonRest_ParseAll 20000 76135 ns/op 13866 B/op 321 allocs/op +BenchmarkGoRestful_ParseAll 5000 389487 ns/op 110928 B/op 600 allocs/op +BenchmarkGorillaMux_ParseAll 10000 221250 ns/op 24864 B/op 292 allocs/op +BenchmarkHttpRouter_ParseAll 200000 6444 ns/op 640 B/op 16 allocs/op +BenchmarkHttpTreeMux_ParseAll 50000 30702 ns/op 5728 B/op 51 allocs/op +BenchmarkKocha_ParseAll 200000 13712 ns/op 1112 B/op 54 allocs/op +BenchmarkLARS_ParseAll 300000 6925 ns/op 0 B/op 0 allocs/op +BenchmarkMacaron_ParseAll 20000 96278 ns/op 24576 B/op 250 allocs/op +BenchmarkMartini_ParseAll 5000 271352 ns/op 25072 B/op 253 allocs/op +BenchmarkPat_ParseAll 20000 74941 ns/op 17264 B/op 343 allocs/op +BenchmarkPossum_ParseAll 50000 39947 ns/op 10816 B/op 78 allocs/op +BenchmarkR2router_ParseAll 50000 42479 ns/op 8352 B/op 120 allocs/op +BenchmarkRivet_ParseAll 200000 7726 ns/op 912 B/op 16 allocs/op +BenchmarkTango_ParseAll 30000 50014 ns/op 7168 B/op 208 allocs/op +BenchmarkTigerTonic_ParseAll 10000 106550 ns/op 19728 B/op 379 allocs/op +BenchmarkTraffic_ParseAll 10000 216037 ns/op 57776 B/op 642 allocs/op +BenchmarkVulcan_ParseAll 50000 34379 ns/op 2548 B/op 78 allocs/op +``` diff --git a/vendor/github.com/gin-gonic/gin/CHANGELOG.md b/vendor/github.com/gin-gonic/gin/CHANGELOG.md new file mode 100644 index 0000000..e6a108c --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/CHANGELOG.md @@ -0,0 +1,213 @@ +# CHANGELOG + +### Gin 1.3.0 + +- [NEW] Add [`func (*Context) QueryMap`](https://godoc.org/github.com/gin-gonic/gin#Context.QueryMap), [`func (*Context) GetQueryMap`](https://godoc.org/github.com/gin-gonic/gin#Context.GetQueryMap), [`func (*Context) PostFormMap`](https://godoc.org/github.com/gin-gonic/gin#Context.PostFormMap) and [`func (*Context) GetPostFormMap`](https://godoc.org/github.com/gin-gonic/gin#Context.GetPostFormMap) to support `type map[string]string` as query string or form parameters, see [#1383](https://github.com/gin-gonic/gin/pull/1383) +- [NEW] Add [`func (*Context) AsciiJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.AsciiJSON), see [#1358](https://github.com/gin-gonic/gin/pull/1358) +- [NEW] Add `Pusher()` in [`type ResponseWriter`](https://godoc.org/github.com/gin-gonic/gin#ResponseWriter) for supporting http2 push, see [#1273](https://github.com/gin-gonic/gin/pull/1273) +- [NEW] Add [`func (*Context) DataFromReader`](https://godoc.org/github.com/gin-gonic/gin#Context.DataFromReader) for serving dynamic data, see [#1304](https://github.com/gin-gonic/gin/pull/1304) +- [NEW] Add [`func (*Context) ShouldBindBodyWith`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindBodyWith) allowing to call binding multiple times, see [#1341](https://github.com/gin-gonic/gin/pull/1341) +- [NEW] Support pointers in form binding, see [#1336](https://github.com/gin-gonic/gin/pull/1336) +- [NEW] Add [`func (*Context) JSONP`](https://godoc.org/github.com/gin-gonic/gin#Context.JSONP), see [#1333](https://github.com/gin-gonic/gin/pull/1333) +- [NEW] Support default value in form binding, see [#1138](https://github.com/gin-gonic/gin/pull/1138) +- [NEW] Expose validator engine in [`type StructValidator`](https://godoc.org/github.com/gin-gonic/gin/binding#StructValidator), see [#1277](https://github.com/gin-gonic/gin/pull/1277) +- [NEW] Add [`func (*Context) ShouldBind`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBind), [`func (*Context) ShouldBindQuery`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindQuery) and [`func (*Context) ShouldBindJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.ShouldBindJSON), see [#1047](https://github.com/gin-gonic/gin/pull/1047) +- [NEW] Add support for `time.Time` location in form binding, see [#1117](https://github.com/gin-gonic/gin/pull/1117) +- [NEW] Add [`func (*Context) BindQuery`](https://godoc.org/github.com/gin-gonic/gin#Context.BindQuery), see [#1029](https://github.com/gin-gonic/gin/pull/1029) +- [NEW] Make [jsonite](https://github.com/json-iterator/go) optional with build tags, see [#1026](https://github.com/gin-gonic/gin/pull/1026) +- [NEW] Show query string in logger, see [#999](https://github.com/gin-gonic/gin/pull/999) +- [NEW] Add [`func (*Context) SecureJSON`](https://godoc.org/github.com/gin-gonic/gin#Context.SecureJSON), see [#987](https://github.com/gin-gonic/gin/pull/987) and [#993](https://github.com/gin-gonic/gin/pull/993) +- [DEPRECATE] `func (*Context) GetCookie` for [`func (*Context) Cookie`](https://godoc.org/github.com/gin-gonic/gin#Context.Cookie) +- [FIX] Don't display color tags if [`func DisableConsoleColor`](https://godoc.org/github.com/gin-gonic/gin#DisableConsoleColor) called, see [#1072](https://github.com/gin-gonic/gin/pull/1072) +- [FIX] Gin Mode `""` when calling [`func Mode`](https://godoc.org/github.com/gin-gonic/gin#Mode) now returns `const DebugMode`, see [#1250](https://github.com/gin-gonic/gin/pull/1250) +- [FIX] `Flush()` now doesn't overwrite `responseWriter` status code, see [#1460](https://github.com/gin-gonic/gin/pull/1460) + +### Gin 1.2.0 + +- [NEW] Switch from godeps to govendor +- [NEW] Add support for Let's Encrypt via gin-gonic/autotls +- [NEW] Improve README examples and add extra at examples folder +- [NEW] Improved support with App Engine +- [NEW] Add custom template delimiters, see #860 +- [NEW] Add Template Func Maps, see #962 +- [NEW] Add \*context.Handler(), see #928 +- [NEW] Add \*context.GetRawData() +- [NEW] Add \*context.GetHeader() (request) +- [NEW] Add \*context.AbortWithStatusJSON() (JSON content type) +- [NEW] Add \*context.Keys type cast helpers +- [NEW] Add \*context.ShouldBindWith() +- [NEW] Add \*context.MustBindWith() +- [NEW] Add \*engine.SetFuncMap() +- [DEPRECATE] On next release: \*context.BindWith(), see #855 +- [FIX] Refactor render +- [FIX] Reworked tests +- [FIX] logger now supports cygwin +- [FIX] Use X-Forwarded-For before X-Real-Ip +- [FIX] time.Time binding (#904) + +### Gin 1.1.4 + +- [NEW] Support google appengine for IsTerminal func + +### Gin 1.1.3 + +- [FIX] Reverted Logger: skip ANSI color commands + +### Gin 1.1 + +- [NEW] Implement QueryArray and PostArray methods +- [NEW] Refactor GetQuery and GetPostForm +- [NEW] Add contribution guide +- [FIX] Corrected typos in README +- [FIX] Removed additional Iota +- [FIX] Changed imports to gopkg instead of github in README (#733) +- [FIX] Logger: skip ANSI color commands if output is not a tty + +### Gin 1.0rc2 (...) + +- [PERFORMANCE] Fast path for writing Content-Type. +- [PERFORMANCE] Much faster 404 routing +- [PERFORMANCE] Allocation optimizations +- [PERFORMANCE] Faster root tree lookup +- [PERFORMANCE] Zero overhead, String() and JSON() rendering. +- [PERFORMANCE] Faster ClientIP parsing +- [PERFORMANCE] Much faster SSE implementation +- [NEW] Benchmarks suite +- [NEW] Bind validation can be disabled and replaced with custom validators. +- [NEW] More flexible HTML render +- [NEW] Multipart and PostForm bindings +- [NEW] Adds method to return all the registered routes +- [NEW] Context.HandlerName() returns the main handler's name +- [NEW] Adds Error.IsType() helper +- [FIX] Binding multipart form +- [FIX] Integration tests +- [FIX] Crash when binding non struct object in Context. +- [FIX] RunTLS() implementation +- [FIX] Logger() unit tests +- [FIX] Adds SetHTMLTemplate() warning +- [FIX] Context.IsAborted() +- [FIX] More unit tests +- [FIX] JSON, XML, HTML renders accept custom content-types +- [FIX] gin.AbortIndex is unexported +- [FIX] Better approach to avoid directory listing in StaticFS() +- [FIX] Context.ClientIP() always returns the IP with trimmed spaces. +- [FIX] Better warning when running in debug mode. +- [FIX] Google App Engine integration. debugPrint does not use os.Stdout +- [FIX] Fixes integer overflow in error type +- [FIX] Error implements the json.Marshaller interface +- [FIX] MIT license in every file + + +### Gin 1.0rc1 (May 22, 2015) + +- [PERFORMANCE] Zero allocation router +- [PERFORMANCE] Faster JSON, XML and text rendering +- [PERFORMANCE] Custom hand optimized HttpRouter for Gin +- [PERFORMANCE] Misc code optimizations. Inlining, tail call optimizations +- [NEW] Built-in support for golang.org/x/net/context +- [NEW] Any(path, handler). Create a route that matches any path +- [NEW] Refactored rendering pipeline (faster and static typeded) +- [NEW] Refactored errors API +- [NEW] IndentedJSON() prints pretty JSON +- [NEW] Added gin.DefaultWriter +- [NEW] UNIX socket support +- [NEW] RouterGroup.BasePath is exposed +- [NEW] JSON validation using go-validate-yourself (very powerful options) +- [NEW] Completed suite of unit tests +- [NEW] HTTP streaming with c.Stream() +- [NEW] StaticFile() creates a router for serving just one file. +- [NEW] StaticFS() has an option to disable directory listing. +- [NEW] StaticFS() for serving static files through virtual filesystems +- [NEW] Server-Sent Events native support +- [NEW] WrapF() and WrapH() helpers for wrapping http.HandlerFunc and http.Handler +- [NEW] Added LoggerWithWriter() middleware +- [NEW] Added RecoveryWithWriter() middleware +- [NEW] Added DefaultPostFormValue() +- [NEW] Added DefaultFormValue() +- [NEW] Added DefaultParamValue() +- [FIX] BasicAuth() when using custom realm +- [FIX] Bug when serving static files in nested routing group +- [FIX] Redirect using built-in http.Redirect() +- [FIX] Logger when printing the requested path +- [FIX] Documentation typos +- [FIX] Context.Engine renamed to Context.engine +- [FIX] Better debugging messages +- [FIX] ErrorLogger +- [FIX] Debug HTTP render +- [FIX] Refactored binding and render modules +- [FIX] Refactored Context initialization +- [FIX] Refactored BasicAuth() +- [FIX] NoMethod/NoRoute handlers +- [FIX] Hijacking http +- [FIX] Better support for Google App Engine (using log instead of fmt) + + +### Gin 0.6 (Mar 9, 2015) + +- [NEW] Support multipart/form-data +- [NEW] NoMethod handler +- [NEW] Validate sub structures +- [NEW] Support for HTTP Realm Auth +- [FIX] Unsigned integers in binding +- [FIX] Improve color logger + + +### Gin 0.5 (Feb 7, 2015) + +- [NEW] Content Negotiation +- [FIX] Solved security bug that allow a client to spoof ip +- [FIX] Fix unexported/ignored fields in binding + + +### Gin 0.4 (Aug 21, 2014) + +- [NEW] Development mode +- [NEW] Unit tests +- [NEW] Add Content.Redirect() +- [FIX] Deferring WriteHeader() +- [FIX] Improved documentation for model binding + + +### Gin 0.3 (Jul 18, 2014) + +- [PERFORMANCE] Normal log and error log are printed in the same call. +- [PERFORMANCE] Improve performance of NoRouter() +- [PERFORMANCE] Improve context's memory locality, reduce CPU cache faults. +- [NEW] Flexible rendering API +- [NEW] Add Context.File() +- [NEW] Add shorcut RunTLS() for http.ListenAndServeTLS +- [FIX] Rename NotFound404() to NoRoute() +- [FIX] Errors in context are purged +- [FIX] Adds HEAD method in Static file serving +- [FIX] Refactors Static() file serving +- [FIX] Using keyed initialization to fix app-engine integration +- [FIX] Can't unmarshal JSON array, #63 +- [FIX] Renaming Context.Req to Context.Request +- [FIX] Check application/x-www-form-urlencoded when parsing form + + +### Gin 0.2b (Jul 08, 2014) +- [PERFORMANCE] Using sync.Pool to allocatio/gc overhead +- [NEW] Travis CI integration +- [NEW] Completely new logger +- [NEW] New API for serving static files. gin.Static() +- [NEW] gin.H() can be serialized into XML +- [NEW] Typed errors. Errors can be typed. Internet/external/custom. +- [NEW] Support for Godeps +- [NEW] Travis/Godocs badges in README +- [NEW] New Bind() and BindWith() methods for parsing request body. +- [NEW] Add Content.Copy() +- [NEW] Add context.LastError() +- [NEW] Add shorcut for OPTIONS HTTP method +- [FIX] Tons of README fixes +- [FIX] Header is written before body +- [FIX] BasicAuth() and changes API a little bit +- [FIX] Recovery() middleware only prints panics +- [FIX] Context.Get() does not panic anymore. Use MustGet() instead. +- [FIX] Multiple http.WriteHeader() in NotFound handlers +- [FIX] Engine.Run() panics if http server can't be setted up +- [FIX] Crash when route path doesn't start with '/' +- [FIX] Do not update header when status code is negative +- [FIX] Setting response headers before calling WriteHeader in context.String() +- [FIX] Add MIT license +- [FIX] Changes behaviour of ErrorLogger() and Logger() diff --git a/vendor/github.com/gin-gonic/gin/CODE_OF_CONDUCT.md b/vendor/github.com/gin-gonic/gin/CODE_OF_CONDUCT.md new file mode 100644 index 0000000..4ea14f3 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/CODE_OF_CONDUCT.md @@ -0,0 +1,46 @@ +# Contributor Covenant Code of Conduct + +## Our Pledge + +In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation. + +## Our Standards + +Examples of behavior that contributes to creating a positive environment include: + +* Using welcoming and inclusive language +* Being respectful of differing viewpoints and experiences +* Gracefully accepting constructive criticism +* Focusing on what is best for the community +* Showing empathy towards other community members + +Examples of unacceptable behavior by participants include: + +* The use of sexualized language or imagery and unwelcome sexual attention or advances +* Trolling, insulting/derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or electronic address, without explicit permission +* Other conduct which could reasonably be considered inappropriate in a professional setting + +## Our Responsibilities + +Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior. + +Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful. + +## Scope + +This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at teamgingonic@gmail.com. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately. + +Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version] + +[homepage]: http://contributor-covenant.org +[version]: http://contributor-covenant.org/version/1/4/ diff --git a/vendor/github.com/gin-gonic/gin/CONTRIBUTING.md b/vendor/github.com/gin-gonic/gin/CONTRIBUTING.md new file mode 100644 index 0000000..547b777 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/CONTRIBUTING.md @@ -0,0 +1,13 @@ +## Contributing + +- With issues: + - Use the search tool before opening a new issue. + - Please provide source code and commit sha if you found a bug. + - Review existing issues and provide feedback or react to them. + +- With pull requests: + - Open your pull request against `master` + - Your pull request should have no more than two commits, if not you should squash them. + - It should pass all tests in the available continuous integrations systems such as TravisCI. + - You should add/modify tests to cover your proposed code changes. + - If your pull request contains a new feature, please document it on the README. diff --git a/vendor/github.com/gin-gonic/gin/LICENSE b/vendor/github.com/gin-gonic/gin/LICENSE new file mode 100644 index 0000000..1ff7f37 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014 Manuel Martínez-Almeida + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/vendor/github.com/gin-gonic/gin/Makefile b/vendor/github.com/gin-gonic/gin/Makefile new file mode 100644 index 0000000..51b9969 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/Makefile @@ -0,0 +1,62 @@ +GOFMT ?= gofmt "-s" +PACKAGES ?= $(shell go list ./... | grep -v /vendor/) +VETPACKAGES ?= $(shell go list ./... | grep -v /vendor/ | grep -v /examples/) +GOFILES := $(shell find . -name "*.go" -type f -not -path "./vendor/*") + +all: install + +install: deps + govendor sync + +.PHONY: test +test: + sh coverage.sh + +.PHONY: fmt +fmt: + $(GOFMT) -w $(GOFILES) + +.PHONY: fmt-check +fmt-check: + # get all go files and run go fmt on them + @diff=$$($(GOFMT) -d $(GOFILES)); \ + if [ -n "$$diff" ]; then \ + echo "Please run 'make fmt' and commit the result:"; \ + echo "$${diff}"; \ + exit 1; \ + fi; + +vet: + go vet $(VETPACKAGES) + +deps: + @hash govendor > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ + go get -u github.com/kardianos/govendor; \ + fi + @hash embedmd > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ + go get -u github.com/campoy/embedmd; \ + fi + +embedmd: + embedmd -d *.md + +.PHONY: lint +lint: + @hash golint > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ + go get -u github.com/golang/lint/golint; \ + fi + for PKG in $(PACKAGES); do golint -set_exit_status $$PKG || exit 1; done; + +.PHONY: misspell-check +misspell-check: + @hash misspell > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ + go get -u github.com/client9/misspell/cmd/misspell; \ + fi + misspell -error $(GOFILES) + +.PHONY: misspell +misspell: + @hash misspell > /dev/null 2>&1; if [ $$? -ne 0 ]; then \ + go get -u github.com/client9/misspell/cmd/misspell; \ + fi + misspell -w $(GOFILES) diff --git a/vendor/github.com/gin-gonic/gin/README.md b/vendor/github.com/gin-gonic/gin/README.md new file mode 100644 index 0000000..28598ba --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/README.md @@ -0,0 +1,1820 @@ +# Gin Web Framework + + + +[![Build Status](https://travis-ci.org/gin-gonic/gin.svg)](https://travis-ci.org/gin-gonic/gin) +[![codecov](https://codecov.io/gh/gin-gonic/gin/branch/master/graph/badge.svg)](https://codecov.io/gh/gin-gonic/gin) +[![Go Report Card](https://goreportcard.com/badge/github.com/gin-gonic/gin)](https://goreportcard.com/report/github.com/gin-gonic/gin) +[![GoDoc](https://godoc.org/github.com/gin-gonic/gin?status.svg)](https://godoc.org/github.com/gin-gonic/gin) +[![Join the chat at https://gitter.im/gin-gonic/gin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/gin-gonic/gin?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) +[![Sourcegraph](https://sourcegraph.com/github.com/gin-gonic/gin/-/badge.svg)](https://sourcegraph.com/github.com/gin-gonic/gin?badge) +[![Open Source Helpers](https://www.codetriage.com/gin-gonic/gin/badges/users.svg)](https://www.codetriage.com/gin-gonic/gin) + +Gin is a web framework written in Go (Golang). It features a martini-like API with much better performance, up to 40 times faster thanks to [httprouter](https://github.com/julienschmidt/httprouter). If you need performance and good productivity, you will love Gin. + +![Gin console logger](https://gin-gonic.github.io/gin/other/console.png) + +## Contents + +- [Installation](#installation) +- [Prerequisite](#prerequisite) +- [Quick start](#quick-start) +- [Benchmarks](#benchmarks) +- [Gin v1.stable](#gin-v1-stable) +- [Build with jsoniter](#build-with-jsoniter) +- [API Examples](#api-examples) + - [Using GET,POST,PUT,PATCH,DELETE and OPTIONS](#using-get-post-put-patch-delete-and-options) + - [Parameters in path](#parameters-in-path) + - [Querystring parameters](#querystring-parameters) + - [Multipart/Urlencoded Form](#multiparturlencoded-form) + - [Another example: query + post form](#another-example-query--post-form) + - [Map as querystring or postform parameters](#map-as-querystring-or-postform-parameters) + - [Upload files](#upload-files) + - [Grouping routes](#grouping-routes) + - [Blank Gin without middleware by default](#blank-gin-without-middleware-by-default) + - [Using middleware](#using-middleware) + - [How to write log file](#how-to-write-log-file) + - [Model binding and validation](#model-binding-and-validation) + - [Custom Validators](#custom-validators) + - [Only Bind Query String](#only-bind-query-string) + - [Bind Query String or Post Data](#bind-query-string-or-post-data) + - [Bind HTML checkboxes](#bind-html-checkboxes) + - [Multipart/Urlencoded binding](#multiparturlencoded-binding) + - [XML, JSON and YAML rendering](#xml-json-and-yaml-rendering) + - [JSONP rendering](#jsonp) + - [Serving static files](#serving-static-files) + - [Serving data from reader](#serving-data-from-reader) + - [HTML rendering](#html-rendering) + - [Multitemplate](#multitemplate) + - [Redirects](#redirects) + - [Custom Middleware](#custom-middleware) + - [Using BasicAuth() middleware](#using-basicauth-middleware) + - [Goroutines inside a middleware](#goroutines-inside-a-middleware) + - [Custom HTTP configuration](#custom-http-configuration) + - [Support Let's Encrypt](#support-lets-encrypt) + - [Run multiple service using Gin](#run-multiple-service-using-gin) + - [Graceful restart or stop](#graceful-restart-or-stop) + - [Build a single binary with templates](#build-a-single-binary-with-templates) + - [Bind form-data request with custom struct](#bind-form-data-request-with-custom-struct) + - [Try to bind body into different structs](#try-to-bind-body-into-different-structs) + - [http2 server push](#http2-server-push) +- [Testing](#testing) +- [Users](#users--) + +## Installation + +To install Gin package, you need to install Go and set your Go workspace first. + +1. Download and install it: + +```sh +$ go get -u github.com/gin-gonic/gin +``` + +2. Import it in your code: + +```go +import "github.com/gin-gonic/gin" +``` + +3. (Optional) Import `net/http`. This is required for example if using constants such as `http.StatusOK`. + +```go +import "net/http" +``` + +### Use a vendor tool like [Govendor](https://github.com/kardianos/govendor) + +1. `go get` govendor + +```sh +$ go get github.com/kardianos/govendor +``` +2. Create your project folder and `cd` inside + +```sh +$ mkdir -p $GOPATH/src/github.com/myusername/project && cd "$_" +``` + +3. Vendor init your project and add gin + +```sh +$ govendor init +$ govendor fetch github.com/gin-gonic/gin@v1.2 +``` + +4. Copy a starting template inside your project + +```sh +$ curl https://raw.githubusercontent.com/gin-gonic/gin/master/examples/basic/main.go > main.go +``` + +5. Run your project + +```sh +$ go run main.go +``` + +## Prerequisite + +Now Gin requires Go 1.6 or later and Go 1.7 will be required soon. + +## Quick start + +```sh +# assume the following codes in example.go file +$ cat example.go +``` + +```go +package main + +import "github.com/gin-gonic/gin" + +func main() { + r := gin.Default() + r.GET("/ping", func(c *gin.Context) { + c.JSON(200, gin.H{ + "message": "pong", + }) + }) + r.Run() // listen and serve on 0.0.0.0:8080 +} +``` + +``` +# run example.go and visit 0.0.0.0:8080/ping on browser +$ go run example.go +``` + +## Benchmarks + +Gin uses a custom version of [HttpRouter](https://github.com/julienschmidt/httprouter) + +[See all benchmarks](/BENCHMARKS.md) + +Benchmark name | (1) | (2) | (3) | (4) +--------------------------------------------|-----------:|------------:|-----------:|---------: +**BenchmarkGin_GithubAll** | **30000** | **48375** | **0** | **0** +BenchmarkAce_GithubAll | 10000 | 134059 | 13792 | 167 +BenchmarkBear_GithubAll | 5000 | 534445 | 86448 | 943 +BenchmarkBeego_GithubAll | 3000 | 592444 | 74705 | 812 +BenchmarkBone_GithubAll | 200 | 6957308 | 698784 | 8453 +BenchmarkDenco_GithubAll | 10000 | 158819 | 20224 | 167 +BenchmarkEcho_GithubAll | 10000 | 154700 | 6496 | 203 +BenchmarkGocraftWeb_GithubAll | 3000 | 570806 | 131656 | 1686 +BenchmarkGoji_GithubAll | 2000 | 818034 | 56112 | 334 +BenchmarkGojiv2_GithubAll | 2000 | 1213973 | 274768 | 3712 +BenchmarkGoJsonRest_GithubAll | 2000 | 785796 | 134371 | 2737 +BenchmarkGoRestful_GithubAll | 300 | 5238188 | 689672 | 4519 +BenchmarkGorillaMux_GithubAll | 100 | 10257726 | 211840 | 2272 +BenchmarkHttpRouter_GithubAll | 20000 | 105414 | 13792 | 167 +BenchmarkHttpTreeMux_GithubAll | 10000 | 319934 | 65856 | 671 +BenchmarkKocha_GithubAll | 10000 | 209442 | 23304 | 843 +BenchmarkLARS_GithubAll | 20000 | 62565 | 0 | 0 +BenchmarkMacaron_GithubAll | 2000 | 1161270 | 204194 | 2000 +BenchmarkMartini_GithubAll | 200 | 9991713 | 226549 | 2325 +BenchmarkPat_GithubAll | 200 | 5590793 | 1499568 | 27435 +BenchmarkPossum_GithubAll | 10000 | 319768 | 84448 | 609 +BenchmarkR2router_GithubAll | 10000 | 305134 | 77328 | 979 +BenchmarkRivet_GithubAll | 10000 | 132134 | 16272 | 167 +BenchmarkTango_GithubAll | 3000 | 552754 | 63826 | 1618 +BenchmarkTigerTonic_GithubAll | 1000 | 1439483 | 239104 | 5374 +BenchmarkTraffic_GithubAll | 100 | 11383067 | 2659329 | 21848 +BenchmarkVulcan_GithubAll | 5000 | 394253 | 19894 | 609 + +- (1): Total Repetitions achieved in constant time, higher means more confident result +- (2): Single Repetition Duration (ns/op), lower is better +- (3): Heap Memory (B/op), lower is better +- (4): Average Allocations per Repetition (allocs/op), lower is better + +## Gin v1. stable + +- [x] Zero allocation router. +- [x] Still the fastest http router and framework. From routing to writing. +- [x] Complete suite of unit tests +- [x] Battle tested +- [x] API frozen, new releases will not break your code. + +## Build with [jsoniter](https://github.com/json-iterator/go) + +Gin use `encoding/json` as default json package but you can change to [jsoniter](https://github.com/json-iterator/go) by build from other tags. + +```sh +$ go build -tags=jsoniter . +``` + +## API Examples + +### Using GET, POST, PUT, PATCH, DELETE and OPTIONS + +```go +func main() { + // Disable Console Color + // gin.DisableConsoleColor() + + // Creates a gin router with default middleware: + // logger and recovery (crash-free) middleware + router := gin.Default() + + router.GET("/someGet", getting) + router.POST("/somePost", posting) + router.PUT("/somePut", putting) + router.DELETE("/someDelete", deleting) + router.PATCH("/somePatch", patching) + router.HEAD("/someHead", head) + router.OPTIONS("/someOptions", options) + + // By default it serves on :8080 unless a + // PORT environment variable was defined. + router.Run() + // router.Run(":3000") for a hard coded port +} +``` + +### Parameters in path + +```go +func main() { + router := gin.Default() + + // This handler will match /user/john but will not match /user/ or /user + router.GET("/user/:name", func(c *gin.Context) { + name := c.Param("name") + c.String(http.StatusOK, "Hello %s", name) + }) + + // However, this one will match /user/john/ and also /user/john/send + // If no other routers match /user/john, it will redirect to /user/john/ + router.GET("/user/:name/*action", func(c *gin.Context) { + name := c.Param("name") + action := c.Param("action") + message := name + " is " + action + c.String(http.StatusOK, message) + }) + + router.Run(":8080") +} +``` + +### Querystring parameters + +```go +func main() { + router := gin.Default() + + // Query string parameters are parsed using the existing underlying request object. + // The request responds to a url matching: /welcome?firstname=Jane&lastname=Doe + router.GET("/welcome", func(c *gin.Context) { + firstname := c.DefaultQuery("firstname", "Guest") + lastname := c.Query("lastname") // shortcut for c.Request.URL.Query().Get("lastname") + + c.String(http.StatusOK, "Hello %s %s", firstname, lastname) + }) + router.Run(":8080") +} +``` + +### Multipart/Urlencoded Form + +```go +func main() { + router := gin.Default() + + router.POST("/form_post", func(c *gin.Context) { + message := c.PostForm("message") + nick := c.DefaultPostForm("nick", "anonymous") + + c.JSON(200, gin.H{ + "status": "posted", + "message": message, + "nick": nick, + }) + }) + router.Run(":8080") +} +``` + +### Another example: query + post form + +``` +POST /post?id=1234&page=1 HTTP/1.1 +Content-Type: application/x-www-form-urlencoded + +name=manu&message=this_is_great +``` + +```go +func main() { + router := gin.Default() + + router.POST("/post", func(c *gin.Context) { + + id := c.Query("id") + page := c.DefaultQuery("page", "0") + name := c.PostForm("name") + message := c.PostForm("message") + + fmt.Printf("id: %s; page: %s; name: %s; message: %s", id, page, name, message) + }) + router.Run(":8080") +} +``` + +``` +id: 1234; page: 1; name: manu; message: this_is_great +``` + +### Map as querystring or postform parameters + +``` +POST /post?ids[a]=1234&ids[b]=hello HTTP/1.1 +Content-Type: application/x-www-form-urlencoded + +names[first]=thinkerou&names[second]=tianou +``` + +```go +func main() { + router := gin.Default() + + router.POST("/post", func(c *gin.Context) { + + ids := c.QueryMap("ids") + names := c.PostFormMap("names") + + fmt.Printf("ids: %v; names: %v", ids, names) + }) + router.Run(":8080") +} +``` + +``` +ids: map[b:hello a:1234], names: map[second:tianou first:thinkerou] +``` + +### Upload files + +#### Single file + +References issue [#774](https://github.com/gin-gonic/gin/issues/774) and detail [example code](examples/upload-file/single). + +```go +func main() { + router := gin.Default() + // Set a lower memory limit for multipart forms (default is 32 MiB) + // router.MaxMultipartMemory = 8 << 20 // 8 MiB + router.POST("/upload", func(c *gin.Context) { + // single file + file, _ := c.FormFile("file") + log.Println(file.Filename) + + // Upload the file to specific dst. + // c.SaveUploadedFile(file, dst) + + c.String(http.StatusOK, fmt.Sprintf("'%s' uploaded!", file.Filename)) + }) + router.Run(":8080") +} +``` + +How to `curl`: + +```bash +curl -X POST http://localhost:8080/upload \ + -F "file=@/Users/appleboy/test.zip" \ + -H "Content-Type: multipart/form-data" +``` + +#### Multiple files + +See the detail [example code](examples/upload-file/multiple). + +```go +func main() { + router := gin.Default() + // Set a lower memory limit for multipart forms (default is 32 MiB) + // router.MaxMultipartMemory = 8 << 20 // 8 MiB + router.POST("/upload", func(c *gin.Context) { + // Multipart form + form, _ := c.MultipartForm() + files := form.File["upload[]"] + + for _, file := range files { + log.Println(file.Filename) + + // Upload the file to specific dst. + // c.SaveUploadedFile(file, dst) + } + c.String(http.StatusOK, fmt.Sprintf("%d files uploaded!", len(files))) + }) + router.Run(":8080") +} +``` + +How to `curl`: + +```bash +curl -X POST http://localhost:8080/upload \ + -F "upload[]=@/Users/appleboy/test1.zip" \ + -F "upload[]=@/Users/appleboy/test2.zip" \ + -H "Content-Type: multipart/form-data" +``` + +### Grouping routes + +```go +func main() { + router := gin.Default() + + // Simple group: v1 + v1 := router.Group("/v1") + { + v1.POST("/login", loginEndpoint) + v1.POST("/submit", submitEndpoint) + v1.POST("/read", readEndpoint) + } + + // Simple group: v2 + v2 := router.Group("/v2") + { + v2.POST("/login", loginEndpoint) + v2.POST("/submit", submitEndpoint) + v2.POST("/read", readEndpoint) + } + + router.Run(":8080") +} +``` + +### Blank Gin without middleware by default + +Use + +```go +r := gin.New() +``` + +instead of + +```go +// Default With the Logger and Recovery middleware already attached +r := gin.Default() +``` + + +### Using middleware +```go +func main() { + // Creates a router without any middleware by default + r := gin.New() + + // Global middleware + // Logger middleware will write the logs to gin.DefaultWriter even if you set with GIN_MODE=release. + // By default gin.DefaultWriter = os.Stdout + r.Use(gin.Logger()) + + // Recovery middleware recovers from any panics and writes a 500 if there was one. + r.Use(gin.Recovery()) + + // Per route middleware, you can add as many as you desire. + r.GET("/benchmark", MyBenchLogger(), benchEndpoint) + + // Authorization group + // authorized := r.Group("/", AuthRequired()) + // exactly the same as: + authorized := r.Group("/") + // per group middleware! in this case we use the custom created + // AuthRequired() middleware just in the "authorized" group. + authorized.Use(AuthRequired()) + { + authorized.POST("/login", loginEndpoint) + authorized.POST("/submit", submitEndpoint) + authorized.POST("/read", readEndpoint) + + // nested group + testing := authorized.Group("testing") + testing.GET("/analytics", analyticsEndpoint) + } + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + +### How to write log file +```go +func main() { + // Disable Console Color, you don't need console color when writing the logs to file. + gin.DisableConsoleColor() + + // Logging to a file. + f, _ := os.Create("gin.log") + gin.DefaultWriter = io.MultiWriter(f) + + // Use the following code if you need to write the logs to file and console at the same time. + // gin.DefaultWriter = io.MultiWriter(f, os.Stdout) + + router := gin.Default() + router.GET("/ping", func(c *gin.Context) { + c.String(200, "pong") + }) + +    router.Run(":8080") +} +``` + +### Model binding and validation + +To bind a request body into a type, use model binding. We currently support binding of JSON, XML and standard form values (foo=bar&boo=baz). + +Gin uses [**go-playground/validator.v8**](https://github.com/go-playground/validator) for validation. Check the full docs on tags usage [here](http://godoc.org/gopkg.in/go-playground/validator.v8#hdr-Baked_In_Validators_and_Tags). + +Note that you need to set the corresponding binding tag on all fields you want to bind. For example, when binding from JSON, set `json:"fieldname"`. + +Also, Gin provides two sets of methods for binding: +- **Type** - Must bind + - **Methods** - `Bind`, `BindJSON`, `BindQuery` + - **Behavior** - These methods use `MustBindWith` under the hood. If there is a binding error, the request is aborted with `c.AbortWithError(400, err).SetType(ErrorTypeBind)`. This sets the response status code to 400 and the `Content-Type` header is set to `text/plain; charset=utf-8`. Note that if you try to set the response code after this, it will result in a warning `[GIN-debug] [WARNING] Headers were already written. Wanted to override status code 400 with 422`. If you wish to have greater control over the behavior, consider using the `ShouldBind` equivalent method. +- **Type** - Should bind + - **Methods** - `ShouldBind`, `ShouldBindJSON`, `ShouldBindQuery` + - **Behavior** - These methods use `ShouldBindWith` under the hood. If there is a binding error, the error is returned and it is the developer's responsibility to handle the request and error appropriately. + +When using the Bind-method, Gin tries to infer the binder depending on the Content-Type header. If you are sure what you are binding, you can use `MustBindWith` or `ShouldBindWith`. + +You can also specify that specific fields are required. If a field is decorated with `binding:"required"` and has a empty value when binding, an error will be returned. + +```go +// Binding from JSON +type Login struct { + User string `form:"user" json:"user" binding:"required"` + Password string `form:"password" json:"password" binding:"required"` +} + +func main() { + router := gin.Default() + + // Example for binding JSON ({"user": "manu", "password": "123"}) + router.POST("/loginJSON", func(c *gin.Context) { + var json Login + if err := c.ShouldBindJSON(&json); err == nil { + if json.User == "manu" && json.Password == "123" { + c.JSON(http.StatusOK, gin.H{"status": "you are logged in"}) + } else { + c.JSON(http.StatusUnauthorized, gin.H{"status": "unauthorized"}) + } + } else { + c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + } + }) + + // Example for binding a HTML form (user=manu&password=123) + router.POST("/loginForm", func(c *gin.Context) { + var form Login + // This will infer what binder to use depending on the content-type header. + if err := c.ShouldBind(&form); err == nil { + if form.User == "manu" && form.Password == "123" { + c.JSON(http.StatusOK, gin.H{"status": "you are logged in"}) + } else { + c.JSON(http.StatusUnauthorized, gin.H{"status": "unauthorized"}) + } + } else { + c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + } + }) + + // Listen and serve on 0.0.0.0:8080 + router.Run(":8080") +} +``` + +**Sample request** +```shell +$ curl -v -X POST \ + http://localhost:8080/loginJSON \ + -H 'content-type: application/json' \ + -d '{ "user": "manu" }' +> POST /loginJSON HTTP/1.1 +> Host: localhost:8080 +> User-Agent: curl/7.51.0 +> Accept: */* +> content-type: application/json +> Content-Length: 18 +> +* upload completely sent off: 18 out of 18 bytes +< HTTP/1.1 400 Bad Request +< Content-Type: application/json; charset=utf-8 +< Date: Fri, 04 Aug 2017 03:51:31 GMT +< Content-Length: 100 +< +{"error":"Key: 'Login.Password' Error:Field validation for 'Password' failed on the 'required' tag"} +``` + +**Skip validate** + +When running the above example using the above the `curl` command, it returns error. Because the example use `binding:"required"` for `Password`. If use `binding:"-"` for `Password`, then it will not return error when running the above example again. + +### Custom Validators + +It is also possible to register custom validators. See the [example code](examples/custom-validation/server.go). + +[embedmd]:# (examples/custom-validation/server.go go) +```go +package main + +import ( + "net/http" + "reflect" + "time" + + "github.com/gin-gonic/gin" + "github.com/gin-gonic/gin/binding" + "gopkg.in/go-playground/validator.v8" +) + +type Booking struct { + CheckIn time.Time `form:"check_in" binding:"required,bookabledate" time_format:"2006-01-02"` + CheckOut time.Time `form:"check_out" binding:"required,gtfield=CheckIn" time_format:"2006-01-02"` +} + +func bookableDate( + v *validator.Validate, topStruct reflect.Value, currentStructOrField reflect.Value, + field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string, +) bool { + if date, ok := field.Interface().(time.Time); ok { + today := time.Now() + if today.Year() > date.Year() || today.YearDay() > date.YearDay() { + return false + } + } + return true +} + +func main() { + route := gin.Default() + + if v, ok := binding.Validator.Engine().(*validator.Validate); ok { + v.RegisterValidation("bookabledate", bookableDate) + } + + route.GET("/bookable", getBookable) + route.Run(":8085") +} + +func getBookable(c *gin.Context) { + var b Booking + if err := c.ShouldBindWith(&b, binding.Query); err == nil { + c.JSON(http.StatusOK, gin.H{"message": "Booking dates are valid!"}) + } else { + c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + } +} +``` + +```console +$ curl "localhost:8085/bookable?check_in=2018-04-16&check_out=2018-04-17" +{"message":"Booking dates are valid!"} + +$ curl "localhost:8085/bookable?check_in=2018-03-08&check_out=2018-03-09" +{"error":"Key: 'Booking.CheckIn' Error:Field validation for 'CheckIn' failed on the 'bookabledate' tag"} +``` + +[Struct level validations](https://github.com/go-playground/validator/releases/tag/v8.7) can also be registed this way. +See the [struct-lvl-validation example](examples/struct-lvl-validations) to learn more. + +### Only Bind Query String + +`ShouldBindQuery` function only binds the query params and not the post data. See the [detail information](https://github.com/gin-gonic/gin/issues/742#issuecomment-315953017). + +```go +package main + +import ( + "log" + + "github.com/gin-gonic/gin" +) + +type Person struct { + Name string `form:"name"` + Address string `form:"address"` +} + +func main() { + route := gin.Default() + route.Any("/testing", startPage) + route.Run(":8085") +} + +func startPage(c *gin.Context) { + var person Person + if c.ShouldBindQuery(&person) == nil { + log.Println("====== Only Bind By Query String ======") + log.Println(person.Name) + log.Println(person.Address) + } + c.String(200, "Success") +} + +``` + +### Bind Query String or Post Data + +See the [detail information](https://github.com/gin-gonic/gin/issues/742#issuecomment-264681292). + +```go +package main + +import "log" +import "github.com/gin-gonic/gin" +import "time" + +type Person struct { + Name string `form:"name"` + Address string `form:"address"` + Birthday time.Time `form:"birthday" time_format:"2006-01-02" time_utc:"1"` +} + +func main() { + route := gin.Default() + route.GET("/testing", startPage) + route.Run(":8085") +} + +func startPage(c *gin.Context) { + var person Person + // If `GET`, only `Form` binding engine (`query`) used. + // If `POST`, first checks the `content-type` for `JSON` or `XML`, then uses `Form` (`form-data`). + // See more at https://github.com/gin-gonic/gin/blob/master/binding/binding.go#L48 + if c.ShouldBind(&person) == nil { + log.Println(person.Name) + log.Println(person.Address) + log.Println(person.Birthday) + } + + c.String(200, "Success") +} +``` + +Test it with: +```sh +$ curl -X GET "localhost:8085/testing?name=appleboy&address=xyz&birthday=1992-03-15" +``` + +### Bind HTML checkboxes + +See the [detail information](https://github.com/gin-gonic/gin/issues/129#issuecomment-124260092) + +main.go + +```go +... + +type myForm struct { + Colors []string `form:"colors[]"` +} + +... + +func formHandler(c *gin.Context) { + var fakeForm myForm + c.ShouldBind(&fakeForm) + c.JSON(200, gin.H{"color": fakeForm.Colors}) +} + +... + +``` + +form.html + +```html +
+

Check some colors

+ + + + + + + +
+``` + +result: + +``` +{"color":["red","green","blue"]} +``` + +### Multipart/Urlencoded binding + +```go +package main + +import ( + "github.com/gin-gonic/gin" +) + +type LoginForm struct { + User string `form:"user" binding:"required"` + Password string `form:"password" binding:"required"` +} + +func main() { + router := gin.Default() + router.POST("/login", func(c *gin.Context) { + // you can bind multipart form with explicit binding declaration: + // c.ShouldBindWith(&form, binding.Form) + // or you can simply use autobinding with ShouldBind method: + var form LoginForm + // in this case proper binding will be automatically selected + if c.ShouldBind(&form) == nil { + if form.User == "user" && form.Password == "password" { + c.JSON(200, gin.H{"status": "you are logged in"}) + } else { + c.JSON(401, gin.H{"status": "unauthorized"}) + } + } + }) + router.Run(":8080") +} +``` + +Test it with: +```sh +$ curl -v --form user=user --form password=password http://localhost:8080/login +``` + +### XML, JSON and YAML rendering + +```go +func main() { + r := gin.Default() + + // gin.H is a shortcut for map[string]interface{} + r.GET("/someJSON", func(c *gin.Context) { + c.JSON(http.StatusOK, gin.H{"message": "hey", "status": http.StatusOK}) + }) + + r.GET("/moreJSON", func(c *gin.Context) { + // You also can use a struct + var msg struct { + Name string `json:"user"` + Message string + Number int + } + msg.Name = "Lena" + msg.Message = "hey" + msg.Number = 123 + // Note that msg.Name becomes "user" in the JSON + // Will output : {"user": "Lena", "Message": "hey", "Number": 123} + c.JSON(http.StatusOK, msg) + }) + + r.GET("/someXML", func(c *gin.Context) { + c.XML(http.StatusOK, gin.H{"message": "hey", "status": http.StatusOK}) + }) + + r.GET("/someYAML", func(c *gin.Context) { + c.YAML(http.StatusOK, gin.H{"message": "hey", "status": http.StatusOK}) + }) + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + +#### SecureJSON + +Using SecureJSON to prevent json hijacking. Default prepends `"while(1),"` to response body if the given struct is array values. + +```go +func main() { + r := gin.Default() + + // You can also use your own secure json prefix + // r.SecureJsonPrefix(")]}',\n") + + r.GET("/someJSON", func(c *gin.Context) { + names := []string{"lena", "austin", "foo"} + + // Will output : while(1);["lena","austin","foo"] + c.SecureJSON(http.StatusOK, names) + }) + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` +#### JSONP + +Using JSONP to request data from a server in a different domain. Add callback to response body if the query parameter callback exists. + +```go +func main() { + r := gin.Default() + + r.GET("/JSONP?callback=x", func(c *gin.Context) { + data := map[string]interface{}{ + "foo": "bar", + } + + //callback is x + // Will output : x({\"foo\":\"bar\"}) + c.JSONP(http.StatusOK, data) + }) + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + +#### AsciiJSON + +Using AsciiJSON to Generates ASCII-only JSON with escaped non-ASCII chracters. + +```go +func main() { + r := gin.Default() + + r.GET("/someJSON", func(c *gin.Context) { + data := map[string]interface{}{ + "lang": "GO语言", + "tag": "
", + } + + // will output : {"lang":"GO\u8bed\u8a00","tag":"\u003cbr\u003e"} + c.AsciiJSON(http.StatusOK, data) + }) + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + +### Serving static files + +```go +func main() { + router := gin.Default() + router.Static("/assets", "./assets") + router.StaticFS("/more_static", http.Dir("my_file_system")) + router.StaticFile("/favicon.ico", "./resources/favicon.ico") + + // Listen and serve on 0.0.0.0:8080 + router.Run(":8080") +} +``` + +### Serving data from reader + +```go +func main() { + router := gin.Default() + router.GET("/someDataFromReader", func(c *gin.Context) { + response, err := http.Get("https://raw.githubusercontent.com/gin-gonic/logo/master/color.png") + if err != nil || response.StatusCode != http.StatusOK { + c.Status(http.StatusServiceUnavailable) + return + } + + reader := response.Body + contentLength := response.ContentLength + contentType := response.Header.Get("Content-Type") + + extraHeaders := map[string]string{ + "Content-Disposition": `attachment; filename="gopher.png"`, + } + + c.DataFromReader(http.StatusOK, contentLength, contentType, reader, extraHeaders) + }) + router.Run(":8080") +} +``` + +### HTML rendering + +Using LoadHTMLGlob() or LoadHTMLFiles() + +```go +func main() { + router := gin.Default() + router.LoadHTMLGlob("templates/*") + //router.LoadHTMLFiles("templates/template1.html", "templates/template2.html") + router.GET("/index", func(c *gin.Context) { + c.HTML(http.StatusOK, "index.tmpl", gin.H{ + "title": "Main website", + }) + }) + router.Run(":8080") +} +``` + +templates/index.tmpl + +```html + +

+ {{ .title }} +

+ +``` + +Using templates with same name in different directories + +```go +func main() { + router := gin.Default() + router.LoadHTMLGlob("templates/**/*") + router.GET("/posts/index", func(c *gin.Context) { + c.HTML(http.StatusOK, "posts/index.tmpl", gin.H{ + "title": "Posts", + }) + }) + router.GET("/users/index", func(c *gin.Context) { + c.HTML(http.StatusOK, "users/index.tmpl", gin.H{ + "title": "Users", + }) + }) + router.Run(":8080") +} +``` + +templates/posts/index.tmpl + +```html +{{ define "posts/index.tmpl" }} +

+ {{ .title }} +

+

Using posts/index.tmpl

+ +{{ end }} +``` + +templates/users/index.tmpl + +```html +{{ define "users/index.tmpl" }} +

+ {{ .title }} +

+

Using users/index.tmpl

+ +{{ end }} +``` + +#### Custom Template renderer + +You can also use your own html template render + +```go +import "html/template" + +func main() { + router := gin.Default() + html := template.Must(template.ParseFiles("file1", "file2")) + router.SetHTMLTemplate(html) + router.Run(":8080") +} +``` + +#### Custom Delimiters + +You may use custom delims + +```go + r := gin.Default() + r.Delims("{[{", "}]}") + r.LoadHTMLGlob("/path/to/templates")) +``` + +#### Custom Template Funcs + +See the detail [example code](examples/template). + +main.go + +```go +import ( + "fmt" + "html/template" + "net/http" + "time" + + "github.com/gin-gonic/gin" +) + +func formatAsDate(t time.Time) string { + year, month, day := t.Date() + return fmt.Sprintf("%d%02d/%02d", year, month, day) +} + +func main() { + router := gin.Default() + router.Delims("{[{", "}]}") + router.SetFuncMap(template.FuncMap{ + "formatAsDate": formatAsDate, + }) + router.LoadHTMLFiles("./testdata/template/raw.tmpl") + + router.GET("/raw", func(c *gin.Context) { + c.HTML(http.StatusOK, "raw.tmpl", map[string]interface{}{ + "now": time.Date(2017, 07, 01, 0, 0, 0, 0, time.UTC), + }) + }) + + router.Run(":8080") +} + +``` + +raw.tmpl + +```html +Date: {[{.now | formatAsDate}]} +``` + +Result: +``` +Date: 2017/07/01 +``` + +### Multitemplate + +Gin allow by default use only one html.Template. Check [a multitemplate render](https://github.com/gin-contrib/multitemplate) for using features like go 1.6 `block template`. + +### Redirects + +Issuing a HTTP redirect is easy. Both internal and external locations are supported. + +```go +r.GET("/test", func(c *gin.Context) { + c.Redirect(http.StatusMovedPermanently, "http://www.google.com/") +}) +``` + + +Issuing a Router redirect, use `HandleContext` like below. + +``` go +r.GET("/test", func(c *gin.Context) { + c.Request.URL.Path = "/test2" + r.HandleContext(c) +}) +r.GET("/test2", func(c *gin.Context) { + c.JSON(200, gin.H{"hello": "world"}) +}) +``` + + +### Custom Middleware + +```go +func Logger() gin.HandlerFunc { + return func(c *gin.Context) { + t := time.Now() + + // Set example variable + c.Set("example", "12345") + + // before request + + c.Next() + + // after request + latency := time.Since(t) + log.Print(latency) + + // access the status we are sending + status := c.Writer.Status() + log.Println(status) + } +} + +func main() { + r := gin.New() + r.Use(Logger()) + + r.GET("/test", func(c *gin.Context) { + example := c.MustGet("example").(string) + + // it would print: "12345" + log.Println(example) + }) + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + +### Using BasicAuth() middleware + +```go +// simulate some private data +var secrets = gin.H{ + "foo": gin.H{"email": "foo@bar.com", "phone": "123433"}, + "austin": gin.H{"email": "austin@example.com", "phone": "666"}, + "lena": gin.H{"email": "lena@guapa.com", "phone": "523443"}, +} + +func main() { + r := gin.Default() + + // Group using gin.BasicAuth() middleware + // gin.Accounts is a shortcut for map[string]string + authorized := r.Group("/admin", gin.BasicAuth(gin.Accounts{ + "foo": "bar", + "austin": "1234", + "lena": "hello2", + "manu": "4321", + })) + + // /admin/secrets endpoint + // hit "localhost:8080/admin/secrets + authorized.GET("/secrets", func(c *gin.Context) { + // get user, it was set by the BasicAuth middleware + user := c.MustGet(gin.AuthUserKey).(string) + if secret, ok := secrets[user]; ok { + c.JSON(http.StatusOK, gin.H{"user": user, "secret": secret}) + } else { + c.JSON(http.StatusOK, gin.H{"user": user, "secret": "NO SECRET :("}) + } + }) + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + +### Goroutines inside a middleware + +When starting new Goroutines inside a middleware or handler, you **SHOULD NOT** use the original context inside it, you have to use a read-only copy. + +```go +func main() { + r := gin.Default() + + r.GET("/long_async", func(c *gin.Context) { + // create copy to be used inside the goroutine + cCp := c.Copy() + go func() { + // simulate a long task with time.Sleep(). 5 seconds + time.Sleep(5 * time.Second) + + // note that you are using the copied context "cCp", IMPORTANT + log.Println("Done! in path " + cCp.Request.URL.Path) + }() + }) + + r.GET("/long_sync", func(c *gin.Context) { + // simulate a long task with time.Sleep(). 5 seconds + time.Sleep(5 * time.Second) + + // since we are NOT using a goroutine, we do not have to copy the context + log.Println("Done! in path " + c.Request.URL.Path) + }) + + // Listen and serve on 0.0.0.0:8080 + r.Run(":8080") +} +``` + +### Custom HTTP configuration + +Use `http.ListenAndServe()` directly, like this: + +```go +func main() { + router := gin.Default() + http.ListenAndServe(":8080", router) +} +``` +or + +```go +func main() { + router := gin.Default() + + s := &http.Server{ + Addr: ":8080", + Handler: router, + ReadTimeout: 10 * time.Second, + WriteTimeout: 10 * time.Second, + MaxHeaderBytes: 1 << 20, + } + s.ListenAndServe() +} +``` + +### Support Let's Encrypt + +example for 1-line LetsEncrypt HTTPS servers. + +[embedmd]:# (examples/auto-tls/example1/main.go go) +```go +package main + +import ( + "log" + + "github.com/gin-gonic/autotls" + "github.com/gin-gonic/gin" +) + +func main() { + r := gin.Default() + + // Ping handler + r.GET("/ping", func(c *gin.Context) { + c.String(200, "pong") + }) + + log.Fatal(autotls.Run(r, "example1.com", "example2.com")) +} +``` + +example for custom autocert manager. + +[embedmd]:# (examples/auto-tls/example2/main.go go) +```go +package main + +import ( + "log" + + "github.com/gin-gonic/autotls" + "github.com/gin-gonic/gin" + "golang.org/x/crypto/acme/autocert" +) + +func main() { + r := gin.Default() + + // Ping handler + r.GET("/ping", func(c *gin.Context) { + c.String(200, "pong") + }) + + m := autocert.Manager{ + Prompt: autocert.AcceptTOS, + HostPolicy: autocert.HostWhitelist("example1.com", "example2.com"), + Cache: autocert.DirCache("/var/www/.cache"), + } + + log.Fatal(autotls.RunWithManager(r, &m)) +} +``` + +### Run multiple service using Gin + +See the [question](https://github.com/gin-gonic/gin/issues/346) and try the following example: + +[embedmd]:# (examples/multiple-service/main.go go) +```go +package main + +import ( + "log" + "net/http" + "time" + + "github.com/gin-gonic/gin" + "golang.org/x/sync/errgroup" +) + +var ( + g errgroup.Group +) + +func router01() http.Handler { + e := gin.New() + e.Use(gin.Recovery()) + e.GET("/", func(c *gin.Context) { + c.JSON( + http.StatusOK, + gin.H{ + "code": http.StatusOK, + "error": "Welcome server 01", + }, + ) + }) + + return e +} + +func router02() http.Handler { + e := gin.New() + e.Use(gin.Recovery()) + e.GET("/", func(c *gin.Context) { + c.JSON( + http.StatusOK, + gin.H{ + "code": http.StatusOK, + "error": "Welcome server 02", + }, + ) + }) + + return e +} + +func main() { + server01 := &http.Server{ + Addr: ":8080", + Handler: router01(), + ReadTimeout: 5 * time.Second, + WriteTimeout: 10 * time.Second, + } + + server02 := &http.Server{ + Addr: ":8081", + Handler: router02(), + ReadTimeout: 5 * time.Second, + WriteTimeout: 10 * time.Second, + } + + g.Go(func() error { + return server01.ListenAndServe() + }) + + g.Go(func() error { + return server02.ListenAndServe() + }) + + if err := g.Wait(); err != nil { + log.Fatal(err) + } +} +``` + +### Graceful restart or stop + +Do you want to graceful restart or stop your web server? +There are some ways this can be done. + +We can use [fvbock/endless](https://github.com/fvbock/endless) to replace the default `ListenAndServe`. Refer issue [#296](https://github.com/gin-gonic/gin/issues/296) for more details. + +```go +router := gin.Default() +router.GET("/", handler) +// [...] +endless.ListenAndServe(":4242", router) +``` + +An alternative to endless: + +* [manners](https://github.com/braintree/manners): A polite Go HTTP server that shuts down gracefully. +* [graceful](https://github.com/tylerb/graceful): Graceful is a Go package enabling graceful shutdown of an http.Handler server. +* [grace](https://github.com/facebookgo/grace): Graceful restart & zero downtime deploy for Go servers. + +If you are using Go 1.8, you may not need to use this library! Consider using http.Server's built-in [Shutdown()](https://golang.org/pkg/net/http/#Server.Shutdown) method for graceful shutdowns. See the full [graceful-shutdown](./examples/graceful-shutdown) example with gin. + +[embedmd]:# (examples/graceful-shutdown/graceful-shutdown/server.go go) +```go +// +build go1.8 + +package main + +import ( + "context" + "log" + "net/http" + "os" + "os/signal" + "time" + + "github.com/gin-gonic/gin" +) + +func main() { + router := gin.Default() + router.GET("/", func(c *gin.Context) { + time.Sleep(5 * time.Second) + c.String(http.StatusOK, "Welcome Gin Server") + }) + + srv := &http.Server{ + Addr: ":8080", + Handler: router, + } + + go func() { + // service connections + if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed { + log.Fatalf("listen: %s\n", err) + } + }() + + // Wait for interrupt signal to gracefully shutdown the server with + // a timeout of 5 seconds. + quit := make(chan os.Signal) + signal.Notify(quit, os.Interrupt) + <-quit + log.Println("Shutdown Server ...") + + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + if err := srv.Shutdown(ctx); err != nil { + log.Fatal("Server Shutdown:", err) + } + log.Println("Server exiting") +} +``` + +### Build a single binary with templates + +You can build a server into a single binary containing templates by using [go-assets][]. + +[go-assets]: https://github.com/jessevdk/go-assets + +```go +func main() { + r := gin.New() + + t, err := loadTemplate() + if err != nil { + panic(err) + } + r.SetHTMLTemplate(t) + + r.GET("/", func(c *gin.Context) { + c.HTML(http.StatusOK, "/html/index.tmpl",nil) + }) + r.Run(":8080") +} + +// loadTemplate loads templates embedded by go-assets-builder +func loadTemplate() (*template.Template, error) { + t := template.New("") + for name, file := range Assets.Files { + if file.IsDir() || !strings.HasSuffix(name, ".tmpl") { + continue + } + h, err := ioutil.ReadAll(file) + if err != nil { + return nil, err + } + t, err = t.New(name).Parse(string(h)) + if err != nil { + return nil, err + } + } + return t, nil +} +``` + +See a complete example in the `examples/assets-in-binary` directory. + +### Bind form-data request with custom struct + +The follow example using custom struct: + +```go +type StructA struct { + FieldA string `form:"field_a"` +} + +type StructB struct { + NestedStruct StructA + FieldB string `form:"field_b"` +} + +type StructC struct { + NestedStructPointer *StructA + FieldC string `form:"field_c"` +} + +type StructD struct { + NestedAnonyStruct struct { + FieldX string `form:"field_x"` + } + FieldD string `form:"field_d"` +} + +func GetDataB(c *gin.Context) { + var b StructB + c.Bind(&b) + c.JSON(200, gin.H{ + "a": b.NestedStruct, + "b": b.FieldB, + }) +} + +func GetDataC(c *gin.Context) { + var b StructC + c.Bind(&b) + c.JSON(200, gin.H{ + "a": b.NestedStructPointer, + "c": b.FieldC, + }) +} + +func GetDataD(c *gin.Context) { + var b StructD + c.Bind(&b) + c.JSON(200, gin.H{ + "x": b.NestedAnonyStruct, + "d": b.FieldD, + }) +} + +func main() { + r := gin.Default() + r.GET("/getb", GetDataB) + r.GET("/getc", GetDataC) + r.GET("/getd", GetDataD) + + r.Run() +} +``` + +Using the command `curl` command result: + +``` +$ curl "http://localhost:8080/getb?field_a=hello&field_b=world" +{"a":{"FieldA":"hello"},"b":"world"} +$ curl "http://localhost:8080/getc?field_a=hello&field_c=world" +{"a":{"FieldA":"hello"},"c":"world"} +$ curl "http://localhost:8080/getd?field_x=hello&field_d=world" +{"d":"world","x":{"FieldX":"hello"}} +``` + +**NOTE**: NOT support the follow style struct: + +```go +type StructX struct { + X struct {} `form:"name_x"` // HERE have form +} + +type StructY struct { + Y StructX `form:"name_y"` // HERE hava form +} + +type StructZ struct { + Z *StructZ `form:"name_z"` // HERE hava form +} +``` + +In a word, only support nested custom struct which have no `form` now. + +### Try to bind body into different structs + +The normal methods for binding request body consumes `c.Request.Body` and they +cannot be called multiple times. + +```go +type formA struct { + Foo string `json:"foo" xml:"foo" binding:"required"` +} + +type formB struct { + Bar string `json:"bar" xml:"bar" binding:"required"` +} + +func SomeHandler(c *gin.Context) { + objA := formA{} + objB := formB{} + // This c.ShouldBind consumes c.Request.Body and it cannot be reused. + if errA := c.ShouldBind(&objA); errA == nil { + c.String(http.StatusOK, `the body should be formA`) + // Always an error is occurred by this because c.Request.Body is EOF now. + } else if errB := c.ShouldBind(&objB); errB == nil { + c.String(http.StatusOK, `the body should be formB`) + } else { + ... + } +} +``` + +For this, you can use `c.ShouldBindBodyWith`. + +```go +func SomeHandler(c *gin.Context) { + objA := formA{} + objB := formB{} + // This reads c.Request.Body and stores the result into the context. + if errA := c.ShouldBindBodyWith(&objA, binding.JSON); errA == nil { + c.String(http.StatusOK, `the body should be formA`) + // At this time, it reuses body stored in the context. + } else if errB := c.ShouldBindBodyWith(&objB, binding.JSON); errB == nil { + c.String(http.StatusOK, `the body should be formB JSON`) + // And it can accepts other formats + } else if errB2 := c.ShouldBindBodyWith(&objB, binding.XML); errB2 == nil { + c.String(http.StatusOK, `the body should be formB XML`) + } else { + ... + } +} +``` + +* `c.ShouldBindBodyWith` stores body into the context before binding. This has +a slight impact to performance, so you should not use this method if you are +enough to call binding at once. +* This feature is only needed for some formats -- `JSON`, `XML`, `MsgPack`, +`ProtoBuf`. For other formats, `Query`, `Form`, `FormPost`, `FormMultipart`, +can be called by `c.ShouldBind()` multiple times without any damage to +performance (See [#1341](https://github.com/gin-gonic/gin/pull/1341)). + +### http2 server push + +http.Pusher is supported only **go1.8+**. See the [golang blog](https://blog.golang.org/h2push) for detail information. + +[embedmd]:# (examples/http-pusher/main.go go) +```go +package main + +import ( + "html/template" + "log" + + "github.com/gin-gonic/gin" +) + +var html = template.Must(template.New("https").Parse(` + + + Https Test + + + +

Welcome, Ginner!

+ + +`)) + +func main() { + r := gin.Default() + r.Static("/assets", "./assets") + r.SetHTMLTemplate(html) + + r.GET("/", func(c *gin.Context) { + if pusher := c.Writer.Pusher(); pusher != nil { + // use pusher.Push() to do server push + if err := pusher.Push("/assets/app.js", nil); err != nil { + log.Printf("Failed to push: %v", err) + } + } + c.HTML(200, "https", gin.H{ + "status": "success", + }) + }) + + // Listen and Server in https://127.0.0.1:8080 + r.RunTLS(":8080", "./testdata/server.pem", "./testdata/server.key") +} +``` + +## Testing + +The `net/http/httptest` package is preferable way for HTTP testing. + +```go +package main + +func setupRouter() *gin.Engine { + r := gin.Default() + r.GET("/ping", func(c *gin.Context) { + c.String(200, "pong") + }) + return r +} + +func main() { + r := setupRouter() + r.Run(":8080") +} +``` + +Test for code example above: + +```go +package main + +import ( + "net/http" + "net/http/httptest" + "testing" + + "github.com/stretchr/testify/assert" +) + +func TestPingRoute(t *testing.T) { + router := setupRouter() + + w := httptest.NewRecorder() + req, _ := http.NewRequest("GET", "/ping", nil) + router.ServeHTTP(w, req) + + assert.Equal(t, 200, w.Code) + assert.Equal(t, "pong", w.Body.String()) +} +``` + +## Users + +Awesome project lists using [Gin](https://github.com/gin-gonic/gin) web framework. + +* [drone](https://github.com/drone/drone): Drone is a Continuous Delivery platform built on Docker, written in Go +* [gorush](https://github.com/appleboy/gorush): A push notification server written in Go. diff --git a/vendor/github.com/gin-gonic/gin/auth.go b/vendor/github.com/gin-gonic/gin/auth.go new file mode 100644 index 0000000..9ed81b5 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/auth.go @@ -0,0 +1,96 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "crypto/subtle" + "encoding/base64" + "net/http" + "strconv" +) + +// AuthUserKey is the cookie name for user credential in basic auth. +const AuthUserKey = "user" + +// Accounts defines a key/value for user/pass list of authorized logins. +type Accounts map[string]string + +type authPair struct { + value string + user string +} + +type authPairs []authPair + +func (a authPairs) searchCredential(authValue string) (string, bool) { + if authValue == "" { + return "", false + } + for _, pair := range a { + if pair.value == authValue { + return pair.user, true + } + } + return "", false +} + +// BasicAuthForRealm returns a Basic HTTP Authorization middleware. It takes as arguments a map[string]string where +// the key is the user name and the value is the password, as well as the name of the Realm. +// If the realm is empty, "Authorization Required" will be used by default. +// (see http://tools.ietf.org/html/rfc2617#section-1.2) +func BasicAuthForRealm(accounts Accounts, realm string) HandlerFunc { + if realm == "" { + realm = "Authorization Required" + } + realm = "Basic realm=" + strconv.Quote(realm) + pairs := processAccounts(accounts) + return func(c *Context) { + // Search user in the slice of allowed credentials + user, found := pairs.searchCredential(c.requestHeader("Authorization")) + if !found { + // Credentials doesn't match, we return 401 and abort handlers chain. + c.Header("WWW-Authenticate", realm) + c.AbortWithStatus(http.StatusUnauthorized) + return + } + + // The user credentials was found, set user's id to key AuthUserKey in this context, the user's id can be read later using + // c.MustGet(gin.AuthUserKey). + c.Set(AuthUserKey, user) + } +} + +// BasicAuth returns a Basic HTTP Authorization middleware. It takes as argument a map[string]string where +// the key is the user name and the value is the password. +func BasicAuth(accounts Accounts) HandlerFunc { + return BasicAuthForRealm(accounts, "") +} + +func processAccounts(accounts Accounts) authPairs { + assert1(len(accounts) > 0, "Empty list of authorized credentials") + pairs := make(authPairs, 0, len(accounts)) + for user, password := range accounts { + assert1(user != "", "User can not be empty") + value := authorizationHeader(user, password) + pairs = append(pairs, authPair{ + value: value, + user: user, + }) + } + return pairs +} + +func authorizationHeader(user, password string) string { + base := user + ":" + password + return "Basic " + base64.StdEncoding.EncodeToString([]byte(base)) +} + +func secureCompare(given, actual string) bool { + if subtle.ConstantTimeEq(int32(len(given)), int32(len(actual))) == 1 { + return subtle.ConstantTimeCompare([]byte(given), []byte(actual)) == 1 + } + // Securely compare actual to itself to keep constant time, but always return false. + return subtle.ConstantTimeCompare([]byte(actual), []byte(actual)) == 1 && false +} diff --git a/vendor/github.com/gin-gonic/gin/binding/binding.go b/vendor/github.com/gin-gonic/gin/binding/binding.go new file mode 100644 index 0000000..3a2aad9 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/binding.go @@ -0,0 +1,99 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import "net/http" + +// Content-Type MIME of the most common data formats. +const ( + MIMEJSON = "application/json" + MIMEHTML = "text/html" + MIMEXML = "application/xml" + MIMEXML2 = "text/xml" + MIMEPlain = "text/plain" + MIMEPOSTForm = "application/x-www-form-urlencoded" + MIMEMultipartPOSTForm = "multipart/form-data" + MIMEPROTOBUF = "application/x-protobuf" + MIMEMSGPACK = "application/x-msgpack" + MIMEMSGPACK2 = "application/msgpack" +) + +// Binding describes the interface which needs to be implemented for binding the +// data present in the request such as JSON request body, query parameters or +// the form POST. +type Binding interface { + Name() string + Bind(*http.Request, interface{}) error +} + +// BindingBody adds BindBody method to Binding. BindBody is similar with Bind, +// but it reads the body from supplied bytes instead of req.Body. +type BindingBody interface { + Binding + BindBody([]byte, interface{}) error +} + +// StructValidator is the minimal interface which needs to be implemented in +// order for it to be used as the validator engine for ensuring the correctness +// of the reqest. Gin provides a default implementation for this using +// https://github.com/go-playground/validator/tree/v8.18.2. +type StructValidator interface { + // ValidateStruct can receive any kind of type and it should never panic, even if the configuration is not right. + // If the received type is not a struct, any validation should be skipped and nil must be returned. + // If the received type is a struct or pointer to a struct, the validation should be performed. + // If the struct is not valid or the validation itself fails, a descriptive error should be returned. + // Otherwise nil must be returned. + ValidateStruct(interface{}) error + + // Engine returns the underlying validator engine which powers the + // StructValidator implementation. + Engine() interface{} +} + +// Validator is the default validator which implements the StructValidator +// interface. It uses https://github.com/go-playground/validator/tree/v8.18.2 +// under the hood. +var Validator StructValidator = &defaultValidator{} + +// These implement the Binding interface and can be used to bind the data +// present in the request to struct instances. +var ( + JSON = jsonBinding{} + XML = xmlBinding{} + Form = formBinding{} + Query = queryBinding{} + FormPost = formPostBinding{} + FormMultipart = formMultipartBinding{} + ProtoBuf = protobufBinding{} + MsgPack = msgpackBinding{} +) + +// Default returns the appropriate Binding instance based on the HTTP method +// and the content type. +func Default(method, contentType string) Binding { + if method == "GET" { + return Form + } + + switch contentType { + case MIMEJSON: + return JSON + case MIMEXML, MIMEXML2: + return XML + case MIMEPROTOBUF: + return ProtoBuf + case MIMEMSGPACK, MIMEMSGPACK2: + return MsgPack + default: //case MIMEPOSTForm, MIMEMultipartPOSTForm: + return Form + } +} + +func validate(obj interface{}) error { + if Validator == nil { + return nil + } + return Validator.ValidateStruct(obj) +} diff --git a/vendor/github.com/gin-gonic/gin/binding/default_validator.go b/vendor/github.com/gin-gonic/gin/binding/default_validator.go new file mode 100644 index 0000000..e7a302d --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/default_validator.go @@ -0,0 +1,51 @@ +// Copyright 2017 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import ( + "reflect" + "sync" + + "gopkg.in/go-playground/validator.v8" +) + +type defaultValidator struct { + once sync.Once + validate *validator.Validate +} + +var _ StructValidator = &defaultValidator{} + +// ValidateStruct receives any kind of type, but only performed struct or pointer to struct type. +func (v *defaultValidator) ValidateStruct(obj interface{}) error { + value := reflect.ValueOf(obj) + valueType := value.Kind() + if valueType == reflect.Ptr { + valueType = value.Elem().Kind() + } + if valueType == reflect.Struct { + v.lazyinit() + if err := v.validate.Struct(obj); err != nil { + return err + } + } + return nil +} + +// Engine returns the underlying validator engine which powers the default +// Validator instance. This is useful if you want to register custom validations +// or struct level validations. See validator GoDoc for more info - +// https://godoc.org/gopkg.in/go-playground/validator.v8 +func (v *defaultValidator) Engine() interface{} { + v.lazyinit() + return v.validate +} + +func (v *defaultValidator) lazyinit() { + v.once.Do(func() { + config := &validator.Config{TagName: "binding"} + v.validate = validator.New(config) + }) +} diff --git a/vendor/github.com/gin-gonic/gin/binding/form.go b/vendor/github.com/gin-gonic/gin/binding/form.go new file mode 100644 index 0000000..0be5966 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/form.go @@ -0,0 +1,56 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import "net/http" + +const defaultMemory = 32 * 1024 * 1024 + +type formBinding struct{} +type formPostBinding struct{} +type formMultipartBinding struct{} + +func (formBinding) Name() string { + return "form" +} + +func (formBinding) Bind(req *http.Request, obj interface{}) error { + if err := req.ParseForm(); err != nil { + return err + } + req.ParseMultipartForm(defaultMemory) + if err := mapForm(obj, req.Form); err != nil { + return err + } + return validate(obj) +} + +func (formPostBinding) Name() string { + return "form-urlencoded" +} + +func (formPostBinding) Bind(req *http.Request, obj interface{}) error { + if err := req.ParseForm(); err != nil { + return err + } + if err := mapForm(obj, req.PostForm); err != nil { + return err + } + return validate(obj) +} + +func (formMultipartBinding) Name() string { + return "multipart/form-data" +} + +func (formMultipartBinding) Bind(req *http.Request, obj interface{}) error { + if err := req.ParseMultipartForm(defaultMemory); err != nil { + return err + } + if err := mapForm(obj, req.MultipartForm.Value); err != nil { + return err + } + return validate(obj) +} diff --git a/vendor/github.com/gin-gonic/gin/binding/form_mapping.go b/vendor/github.com/gin-gonic/gin/binding/form_mapping.go new file mode 100644 index 0000000..3f6b9bf --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/form_mapping.go @@ -0,0 +1,209 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import ( + "errors" + "reflect" + "strconv" + "strings" + "time" +) + +func mapForm(ptr interface{}, form map[string][]string) error { + typ := reflect.TypeOf(ptr).Elem() + val := reflect.ValueOf(ptr).Elem() + for i := 0; i < typ.NumField(); i++ { + typeField := typ.Field(i) + structField := val.Field(i) + if !structField.CanSet() { + continue + } + + structFieldKind := structField.Kind() + inputFieldName := typeField.Tag.Get("form") + inputFieldNameList := strings.Split(inputFieldName, ",") + inputFieldName = inputFieldNameList[0] + var defaultValue string + if len(inputFieldNameList) > 1 { + defaultList := strings.SplitN(inputFieldNameList[1], "=", 2) + if defaultList[0] == "default" { + defaultValue = defaultList[1] + } + } + if inputFieldName == "" { + inputFieldName = typeField.Name + + // if "form" tag is nil, we inspect if the field is a struct or struct pointer. + // this would not make sense for JSON parsing but it does for a form + // since data is flatten + if structFieldKind == reflect.Ptr { + if !structField.Elem().IsValid() { + structField.Set(reflect.New(structField.Type().Elem())) + } + structField = structField.Elem() + structFieldKind = structField.Kind() + } + if structFieldKind == reflect.Struct { + err := mapForm(structField.Addr().Interface(), form) + if err != nil { + return err + } + continue + } + } + inputValue, exists := form[inputFieldName] + + if !exists { + if defaultValue == "" { + continue + } + inputValue = make([]string, 1) + inputValue[0] = defaultValue + } + + numElems := len(inputValue) + if structFieldKind == reflect.Slice && numElems > 0 { + sliceOf := structField.Type().Elem().Kind() + slice := reflect.MakeSlice(structField.Type(), numElems, numElems) + for i := 0; i < numElems; i++ { + if err := setWithProperType(sliceOf, inputValue[i], slice.Index(i)); err != nil { + return err + } + } + val.Field(i).Set(slice) + } else { + if _, isTime := structField.Interface().(time.Time); isTime { + if err := setTimeField(inputValue[0], typeField, structField); err != nil { + return err + } + continue + } + if err := setWithProperType(typeField.Type.Kind(), inputValue[0], structField); err != nil { + return err + } + } + } + return nil +} + +func setWithProperType(valueKind reflect.Kind, val string, structField reflect.Value) error { + switch valueKind { + case reflect.Int: + return setIntField(val, 0, structField) + case reflect.Int8: + return setIntField(val, 8, structField) + case reflect.Int16: + return setIntField(val, 16, structField) + case reflect.Int32: + return setIntField(val, 32, structField) + case reflect.Int64: + return setIntField(val, 64, structField) + case reflect.Uint: + return setUintField(val, 0, structField) + case reflect.Uint8: + return setUintField(val, 8, structField) + case reflect.Uint16: + return setUintField(val, 16, structField) + case reflect.Uint32: + return setUintField(val, 32, structField) + case reflect.Uint64: + return setUintField(val, 64, structField) + case reflect.Bool: + return setBoolField(val, structField) + case reflect.Float32: + return setFloatField(val, 32, structField) + case reflect.Float64: + return setFloatField(val, 64, structField) + case reflect.String: + structField.SetString(val) + case reflect.Ptr: + if !structField.Elem().IsValid() { + structField.Set(reflect.New(structField.Type().Elem())) + } + structFieldElem := structField.Elem() + return setWithProperType(structFieldElem.Kind(), val, structFieldElem) + default: + return errors.New("Unknown type") + } + return nil +} + +func setIntField(val string, bitSize int, field reflect.Value) error { + if val == "" { + val = "0" + } + intVal, err := strconv.ParseInt(val, 10, bitSize) + if err == nil { + field.SetInt(intVal) + } + return err +} + +func setUintField(val string, bitSize int, field reflect.Value) error { + if val == "" { + val = "0" + } + uintVal, err := strconv.ParseUint(val, 10, bitSize) + if err == nil { + field.SetUint(uintVal) + } + return err +} + +func setBoolField(val string, field reflect.Value) error { + if val == "" { + val = "false" + } + boolVal, err := strconv.ParseBool(val) + if err == nil { + field.SetBool(boolVal) + } + return err +} + +func setFloatField(val string, bitSize int, field reflect.Value) error { + if val == "" { + val = "0.0" + } + floatVal, err := strconv.ParseFloat(val, bitSize) + if err == nil { + field.SetFloat(floatVal) + } + return err +} + +func setTimeField(val string, structField reflect.StructField, value reflect.Value) error { + timeFormat := structField.Tag.Get("time_format") + if timeFormat == "" { + return errors.New("Blank time format") + } + + if val == "" { + value.Set(reflect.ValueOf(time.Time{})) + return nil + } + + l := time.Local + if isUTC, _ := strconv.ParseBool(structField.Tag.Get("time_utc")); isUTC { + l = time.UTC + } + + if locTag := structField.Tag.Get("time_location"); locTag != "" { + loc, err := time.LoadLocation(locTag) + if err != nil { + return err + } + l = loc + } + + t, err := time.ParseInLocation(timeFormat, val, l) + if err != nil { + return err + } + + value.Set(reflect.ValueOf(t)) + return nil +} diff --git a/vendor/github.com/gin-gonic/gin/binding/json.go b/vendor/github.com/gin-gonic/gin/binding/json.go new file mode 100644 index 0000000..fea17bb --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/json.go @@ -0,0 +1,43 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import ( + "bytes" + "io" + "net/http" + + "github.com/gin-gonic/gin/json" +) + +// EnableDecoderUseNumber is used to call the UseNumber method on the JSON +// Decoder instance. UseNumber causes the Decoder to unmarshal a number into an +// interface{} as a Number instead of as a float64. +var EnableDecoderUseNumber = false + +type jsonBinding struct{} + +func (jsonBinding) Name() string { + return "json" +} + +func (jsonBinding) Bind(req *http.Request, obj interface{}) error { + return decodeJSON(req.Body, obj) +} + +func (jsonBinding) BindBody(body []byte, obj interface{}) error { + return decodeJSON(bytes.NewReader(body), obj) +} + +func decodeJSON(r io.Reader, obj interface{}) error { + decoder := json.NewDecoder(r) + if EnableDecoderUseNumber { + decoder.UseNumber() + } + if err := decoder.Decode(obj); err != nil { + return err + } + return validate(obj) +} diff --git a/vendor/github.com/gin-gonic/gin/binding/msgpack.go b/vendor/github.com/gin-gonic/gin/binding/msgpack.go new file mode 100644 index 0000000..b7f7319 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/msgpack.go @@ -0,0 +1,35 @@ +// Copyright 2017 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import ( + "bytes" + "io" + "net/http" + + "github.com/ugorji/go/codec" +) + +type msgpackBinding struct{} + +func (msgpackBinding) Name() string { + return "msgpack" +} + +func (msgpackBinding) Bind(req *http.Request, obj interface{}) error { + return decodeMsgPack(req.Body, obj) +} + +func (msgpackBinding) BindBody(body []byte, obj interface{}) error { + return decodeMsgPack(bytes.NewReader(body), obj) +} + +func decodeMsgPack(r io.Reader, obj interface{}) error { + cdc := new(codec.MsgpackHandle) + if err := codec.NewDecoder(r, cdc).Decode(&obj); err != nil { + return err + } + return validate(obj) +} diff --git a/vendor/github.com/gin-gonic/gin/binding/protobuf.go b/vendor/github.com/gin-gonic/gin/binding/protobuf.go new file mode 100644 index 0000000..540e9c1 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/protobuf.go @@ -0,0 +1,36 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import ( + "io/ioutil" + "net/http" + + "github.com/golang/protobuf/proto" +) + +type protobufBinding struct{} + +func (protobufBinding) Name() string { + return "protobuf" +} + +func (b protobufBinding) Bind(req *http.Request, obj interface{}) error { + buf, err := ioutil.ReadAll(req.Body) + if err != nil { + return err + } + return b.BindBody(buf, obj) +} + +func (protobufBinding) BindBody(body []byte, obj interface{}) error { + if err := proto.Unmarshal(body, obj.(proto.Message)); err != nil { + return err + } + // Here it's same to return validate(obj), but util now we cann't add + // `binding:""` to the struct which automatically generate by gen-proto + return nil + // return validate(obj) +} diff --git a/vendor/github.com/gin-gonic/gin/binding/query.go b/vendor/github.com/gin-gonic/gin/binding/query.go new file mode 100644 index 0000000..219743f --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/query.go @@ -0,0 +1,21 @@ +// Copyright 2017 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import "net/http" + +type queryBinding struct{} + +func (queryBinding) Name() string { + return "query" +} + +func (queryBinding) Bind(req *http.Request, obj interface{}) error { + values := req.URL.Query() + if err := mapForm(obj, values); err != nil { + return err + } + return validate(obj) +} diff --git a/vendor/github.com/gin-gonic/gin/binding/xml.go b/vendor/github.com/gin-gonic/gin/binding/xml.go new file mode 100644 index 0000000..4e90114 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/binding/xml.go @@ -0,0 +1,33 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package binding + +import ( + "bytes" + "encoding/xml" + "io" + "net/http" +) + +type xmlBinding struct{} + +func (xmlBinding) Name() string { + return "xml" +} + +func (xmlBinding) Bind(req *http.Request, obj interface{}) error { + return decodeXML(req.Body, obj) +} + +func (xmlBinding) BindBody(body []byte, obj interface{}) error { + return decodeXML(bytes.NewReader(body), obj) +} +func decodeXML(r io.Reader, obj interface{}) error { + decoder := xml.NewDecoder(r) + if err := decoder.Decode(obj); err != nil { + return err + } + return validate(obj) +} diff --git a/vendor/github.com/gin-gonic/gin/codecov.yml b/vendor/github.com/gin-gonic/gin/codecov.yml new file mode 100644 index 0000000..c9c9a52 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/codecov.yml @@ -0,0 +1,5 @@ +coverage: + notify: + gitter: + default: + url: https://webhooks.gitter.im/e/d90dcdeeab2f1e357165 diff --git a/vendor/github.com/gin-gonic/gin/context.go b/vendor/github.com/gin-gonic/gin/context.go new file mode 100644 index 0000000..724ded7 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/context.go @@ -0,0 +1,933 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "errors" + "io" + "io/ioutil" + "math" + "mime/multipart" + "net" + "net/http" + "net/url" + "os" + "strings" + "time" + + "github.com/gin-contrib/sse" + "github.com/gin-gonic/gin/binding" + "github.com/gin-gonic/gin/render" +) + +// Content-Type MIME of the most common data formats. +const ( + MIMEJSON = binding.MIMEJSON + MIMEHTML = binding.MIMEHTML + MIMEXML = binding.MIMEXML + MIMEXML2 = binding.MIMEXML2 + MIMEPlain = binding.MIMEPlain + MIMEPOSTForm = binding.MIMEPOSTForm + MIMEMultipartPOSTForm = binding.MIMEMultipartPOSTForm + BodyBytesKey = "_gin-gonic/gin/bodybyteskey" +) + +const abortIndex int8 = math.MaxInt8 / 2 + +// Context is the most important part of gin. It allows us to pass variables between middleware, +// manage the flow, validate the JSON of a request and render a JSON response for example. +type Context struct { + writermem responseWriter + Request *http.Request + Writer ResponseWriter + + Params Params + handlers HandlersChain + index int8 + + engine *Engine + + // Keys is a key/value pair exclusively for the context of each request. + Keys map[string]interface{} + + // Errors is a list of errors attached to all the handlers/middlewares who used this context. + Errors errorMsgs + + // Accepted defines a list of manually accepted formats for content negotiation. + Accepted []string +} + +/************************************/ +/********** CONTEXT CREATION ********/ +/************************************/ + +func (c *Context) reset() { + c.Writer = &c.writermem + c.Params = c.Params[0:0] + c.handlers = nil + c.index = -1 + c.Keys = nil + c.Errors = c.Errors[0:0] + c.Accepted = nil +} + +// Copy returns a copy of the current context that can be safely used outside the request's scope. +// This has to be used when the context has to be passed to a goroutine. +func (c *Context) Copy() *Context { + var cp = *c + cp.writermem.ResponseWriter = nil + cp.Writer = &cp.writermem + cp.index = abortIndex + cp.handlers = nil + return &cp +} + +// HandlerName returns the main handler's name. For example if the handler is "handleGetUsers()", +// this function will return "main.handleGetUsers". +func (c *Context) HandlerName() string { + return nameOfFunction(c.handlers.Last()) +} + +// Handler returns the main handler. +func (c *Context) Handler() HandlerFunc { + return c.handlers.Last() +} + +/************************************/ +/*********** FLOW CONTROL ***********/ +/************************************/ + +// Next should be used only inside middleware. +// It executes the pending handlers in the chain inside the calling handler. +// See example in GitHub. +func (c *Context) Next() { + c.index++ + for s := int8(len(c.handlers)); c.index < s; c.index++ { + c.handlers[c.index](c) + } +} + +// IsAborted returns true if the current context was aborted. +func (c *Context) IsAborted() bool { + return c.index >= abortIndex +} + +// Abort prevents pending handlers from being called. Note that this will not stop the current handler. +// Let's say you have an authorization middleware that validates that the current request is authorized. +// If the authorization fails (ex: the password does not match), call Abort to ensure the remaining handlers +// for this request are not called. +func (c *Context) Abort() { + c.index = abortIndex +} + +// AbortWithStatus calls `Abort()` and writes the headers with the specified status code. +// For example, a failed attempt to authenticate a request could use: context.AbortWithStatus(401). +func (c *Context) AbortWithStatus(code int) { + c.Status(code) + c.Writer.WriteHeaderNow() + c.Abort() +} + +// AbortWithStatusJSON calls `Abort()` and then `JSON` internally. +// This method stops the chain, writes the status code and return a JSON body. +// It also sets the Content-Type as "application/json". +func (c *Context) AbortWithStatusJSON(code int, jsonObj interface{}) { + c.Abort() + c.JSON(code, jsonObj) +} + +// AbortWithError calls `AbortWithStatus()` and `Error()` internally. +// This method stops the chain, writes the status code and pushes the specified error to `c.Errors`. +// See Context.Error() for more details. +func (c *Context) AbortWithError(code int, err error) *Error { + c.AbortWithStatus(code) + return c.Error(err) +} + +/************************************/ +/********* ERROR MANAGEMENT *********/ +/************************************/ + +// Error attaches an error to the current context. The error is pushed to a list of errors. +// It's a good idea to call Error for each error that occurred during the resolution of a request. +// A middleware can be used to collect all the errors and push them to a database together, +// print a log, or append it in the HTTP response. +// Error will panic if err is nil. +func (c *Context) Error(err error) *Error { + if err == nil { + panic("err is nil") + } + + parsedError, ok := err.(*Error) + if !ok { + parsedError = &Error{ + Err: err, + Type: ErrorTypePrivate, + } + } + + c.Errors = append(c.Errors, parsedError) + return parsedError +} + +/************************************/ +/******** METADATA MANAGEMENT********/ +/************************************/ + +// Set is used to store a new key/value pair exclusively for this context. +// It also lazy initializes c.Keys if it was not used previously. +func (c *Context) Set(key string, value interface{}) { + if c.Keys == nil { + c.Keys = make(map[string]interface{}) + } + c.Keys[key] = value +} + +// Get returns the value for the given key, ie: (value, true). +// If the value does not exists it returns (nil, false) +func (c *Context) Get(key string) (value interface{}, exists bool) { + value, exists = c.Keys[key] + return +} + +// MustGet returns the value for the given key if it exists, otherwise it panics. +func (c *Context) MustGet(key string) interface{} { + if value, exists := c.Get(key); exists { + return value + } + panic("Key \"" + key + "\" does not exist") +} + +// GetString returns the value associated with the key as a string. +func (c *Context) GetString(key string) (s string) { + if val, ok := c.Get(key); ok && val != nil { + s, _ = val.(string) + } + return +} + +// GetBool returns the value associated with the key as a boolean. +func (c *Context) GetBool(key string) (b bool) { + if val, ok := c.Get(key); ok && val != nil { + b, _ = val.(bool) + } + return +} + +// GetInt returns the value associated with the key as an integer. +func (c *Context) GetInt(key string) (i int) { + if val, ok := c.Get(key); ok && val != nil { + i, _ = val.(int) + } + return +} + +// GetInt64 returns the value associated with the key as an integer. +func (c *Context) GetInt64(key string) (i64 int64) { + if val, ok := c.Get(key); ok && val != nil { + i64, _ = val.(int64) + } + return +} + +// GetFloat64 returns the value associated with the key as a float64. +func (c *Context) GetFloat64(key string) (f64 float64) { + if val, ok := c.Get(key); ok && val != nil { + f64, _ = val.(float64) + } + return +} + +// GetTime returns the value associated with the key as time. +func (c *Context) GetTime(key string) (t time.Time) { + if val, ok := c.Get(key); ok && val != nil { + t, _ = val.(time.Time) + } + return +} + +// GetDuration returns the value associated with the key as a duration. +func (c *Context) GetDuration(key string) (d time.Duration) { + if val, ok := c.Get(key); ok && val != nil { + d, _ = val.(time.Duration) + } + return +} + +// GetStringSlice returns the value associated with the key as a slice of strings. +func (c *Context) GetStringSlice(key string) (ss []string) { + if val, ok := c.Get(key); ok && val != nil { + ss, _ = val.([]string) + } + return +} + +// GetStringMap returns the value associated with the key as a map of interfaces. +func (c *Context) GetStringMap(key string) (sm map[string]interface{}) { + if val, ok := c.Get(key); ok && val != nil { + sm, _ = val.(map[string]interface{}) + } + return +} + +// GetStringMapString returns the value associated with the key as a map of strings. +func (c *Context) GetStringMapString(key string) (sms map[string]string) { + if val, ok := c.Get(key); ok && val != nil { + sms, _ = val.(map[string]string) + } + return +} + +// GetStringMapStringSlice returns the value associated with the key as a map to a slice of strings. +func (c *Context) GetStringMapStringSlice(key string) (smss map[string][]string) { + if val, ok := c.Get(key); ok && val != nil { + smss, _ = val.(map[string][]string) + } + return +} + +/************************************/ +/************ INPUT DATA ************/ +/************************************/ + +// Param returns the value of the URL param. +// It is a shortcut for c.Params.ByName(key) +// router.GET("/user/:id", func(c *gin.Context) { +// // a GET request to /user/john +// id := c.Param("id") // id == "john" +// }) +func (c *Context) Param(key string) string { + return c.Params.ByName(key) +} + +// Query returns the keyed url query value if it exists, +// otherwise it returns an empty string `("")`. +// It is shortcut for `c.Request.URL.Query().Get(key)` +// GET /path?id=1234&name=Manu&value= +// c.Query("id") == "1234" +// c.Query("name") == "Manu" +// c.Query("value") == "" +// c.Query("wtf") == "" +func (c *Context) Query(key string) string { + value, _ := c.GetQuery(key) + return value +} + +// DefaultQuery returns the keyed url query value if it exists, +// otherwise it returns the specified defaultValue string. +// See: Query() and GetQuery() for further information. +// GET /?name=Manu&lastname= +// c.DefaultQuery("name", "unknown") == "Manu" +// c.DefaultQuery("id", "none") == "none" +// c.DefaultQuery("lastname", "none") == "" +func (c *Context) DefaultQuery(key, defaultValue string) string { + if value, ok := c.GetQuery(key); ok { + return value + } + return defaultValue +} + +// GetQuery is like Query(), it returns the keyed url query value +// if it exists `(value, true)` (even when the value is an empty string), +// otherwise it returns `("", false)`. +// It is shortcut for `c.Request.URL.Query().Get(key)` +// GET /?name=Manu&lastname= +// ("Manu", true) == c.GetQuery("name") +// ("", false) == c.GetQuery("id") +// ("", true) == c.GetQuery("lastname") +func (c *Context) GetQuery(key string) (string, bool) { + if values, ok := c.GetQueryArray(key); ok { + return values[0], ok + } + return "", false +} + +// QueryArray returns a slice of strings for a given query key. +// The length of the slice depends on the number of params with the given key. +func (c *Context) QueryArray(key string) []string { + values, _ := c.GetQueryArray(key) + return values +} + +// GetQueryArray returns a slice of strings for a given query key, plus +// a boolean value whether at least one value exists for the given key. +func (c *Context) GetQueryArray(key string) ([]string, bool) { + if values, ok := c.Request.URL.Query()[key]; ok && len(values) > 0 { + return values, true + } + return []string{}, false +} + +// QueryMap returns a map for a given query key. +func (c *Context) QueryMap(key string) map[string]string { + dicts, _ := c.GetQueryMap(key) + return dicts +} + +// GetQueryMap returns a map for a given query key, plus a boolean value +// whether at least one value exists for the given key. +func (c *Context) GetQueryMap(key string) (map[string]string, bool) { + return c.get(c.Request.URL.Query(), key) +} + +// PostForm returns the specified key from a POST urlencoded form or multipart form +// when it exists, otherwise it returns an empty string `("")`. +func (c *Context) PostForm(key string) string { + value, _ := c.GetPostForm(key) + return value +} + +// DefaultPostForm returns the specified key from a POST urlencoded form or multipart form +// when it exists, otherwise it returns the specified defaultValue string. +// See: PostForm() and GetPostForm() for further information. +func (c *Context) DefaultPostForm(key, defaultValue string) string { + if value, ok := c.GetPostForm(key); ok { + return value + } + return defaultValue +} + +// GetPostForm is like PostForm(key). It returns the specified key from a POST urlencoded +// form or multipart form when it exists `(value, true)` (even when the value is an empty string), +// otherwise it returns ("", false). +// For example, during a PATCH request to update the user's email: +// email=mail@example.com --> ("mail@example.com", true) := GetPostForm("email") // set email to "mail@example.com" +// email= --> ("", true) := GetPostForm("email") // set email to "" +// --> ("", false) := GetPostForm("email") // do nothing with email +func (c *Context) GetPostForm(key string) (string, bool) { + if values, ok := c.GetPostFormArray(key); ok { + return values[0], ok + } + return "", false +} + +// PostFormArray returns a slice of strings for a given form key. +// The length of the slice depends on the number of params with the given key. +func (c *Context) PostFormArray(key string) []string { + values, _ := c.GetPostFormArray(key) + return values +} + +// GetPostFormArray returns a slice of strings for a given form key, plus +// a boolean value whether at least one value exists for the given key. +func (c *Context) GetPostFormArray(key string) ([]string, bool) { + req := c.Request + req.ParseForm() + req.ParseMultipartForm(c.engine.MaxMultipartMemory) + if values := req.PostForm[key]; len(values) > 0 { + return values, true + } + if req.MultipartForm != nil && req.MultipartForm.File != nil { + if values := req.MultipartForm.Value[key]; len(values) > 0 { + return values, true + } + } + return []string{}, false +} + +// PostFormMap returns a map for a given form key. +func (c *Context) PostFormMap(key string) map[string]string { + dicts, _ := c.GetPostFormMap(key) + return dicts +} + +// GetPostFormMap returns a map for a given form key, plus a boolean value +// whether at least one value exists for the given key. +func (c *Context) GetPostFormMap(key string) (map[string]string, bool) { + req := c.Request + req.ParseForm() + req.ParseMultipartForm(c.engine.MaxMultipartMemory) + dicts, exist := c.get(req.PostForm, key) + + if !exist && req.MultipartForm != nil && req.MultipartForm.File != nil { + dicts, exist = c.get(req.MultipartForm.Value, key) + } + + return dicts, exist +} + +// get is an internal method and returns a map which satisfy conditions. +func (c *Context) get(m map[string][]string, key string) (map[string]string, bool) { + dicts := make(map[string]string) + exist := false + for k, v := range m { + if i := strings.IndexByte(k, '['); i >= 1 && k[0:i] == key { + if j := strings.IndexByte(k[i+1:], ']'); j >= 1 { + exist = true + dicts[k[i+1:][:j]] = v[0] + } + } + } + return dicts, exist +} + +// FormFile returns the first file for the provided form key. +func (c *Context) FormFile(name string) (*multipart.FileHeader, error) { + _, fh, err := c.Request.FormFile(name) + return fh, err +} + +// MultipartForm is the parsed multipart form, including file uploads. +func (c *Context) MultipartForm() (*multipart.Form, error) { + err := c.Request.ParseMultipartForm(c.engine.MaxMultipartMemory) + return c.Request.MultipartForm, err +} + +// SaveUploadedFile uploads the form file to specific dst. +func (c *Context) SaveUploadedFile(file *multipart.FileHeader, dst string) error { + src, err := file.Open() + if err != nil { + return err + } + defer src.Close() + + out, err := os.Create(dst) + if err != nil { + return err + } + defer out.Close() + + io.Copy(out, src) + return nil +} + +// Bind checks the Content-Type to select a binding engine automatically, +// Depending the "Content-Type" header different bindings are used: +// "application/json" --> JSON binding +// "application/xml" --> XML binding +// otherwise --> returns an error. +// It parses the request's body as JSON if Content-Type == "application/json" using JSON or XML as a JSON input. +// It decodes the json payload into the struct specified as a pointer. +// It writes a 400 error and sets Content-Type header "text/plain" in the response if input is not valid. +func (c *Context) Bind(obj interface{}) error { + b := binding.Default(c.Request.Method, c.ContentType()) + return c.MustBindWith(obj, b) +} + +// BindJSON is a shortcut for c.MustBindWith(obj, binding.JSON). +func (c *Context) BindJSON(obj interface{}) error { + return c.MustBindWith(obj, binding.JSON) +} + +// BindQuery is a shortcut for c.MustBindWith(obj, binding.Query). +func (c *Context) BindQuery(obj interface{}) error { + return c.MustBindWith(obj, binding.Query) +} + +// MustBindWith binds the passed struct pointer using the specified binding engine. +// It will abort the request with HTTP 400 if any error ocurrs. +// See the binding package. +func (c *Context) MustBindWith(obj interface{}, b binding.Binding) (err error) { + if err = c.ShouldBindWith(obj, b); err != nil { + c.AbortWithError(http.StatusBadRequest, err).SetType(ErrorTypeBind) + } + + return +} + +// ShouldBind checks the Content-Type to select a binding engine automatically, +// Depending the "Content-Type" header different bindings are used: +// "application/json" --> JSON binding +// "application/xml" --> XML binding +// otherwise --> returns an error +// It parses the request's body as JSON if Content-Type == "application/json" using JSON or XML as a JSON input. +// It decodes the json payload into the struct specified as a pointer. +// Like c.Bind() but this method does not set the response status code to 400 and abort if the json is not valid. +func (c *Context) ShouldBind(obj interface{}) error { + b := binding.Default(c.Request.Method, c.ContentType()) + return c.ShouldBindWith(obj, b) +} + +// ShouldBindJSON is a shortcut for c.ShouldBindWith(obj, binding.JSON). +func (c *Context) ShouldBindJSON(obj interface{}) error { + return c.ShouldBindWith(obj, binding.JSON) +} + +// ShouldBindQuery is a shortcut for c.ShouldBindWith(obj, binding.Query). +func (c *Context) ShouldBindQuery(obj interface{}) error { + return c.ShouldBindWith(obj, binding.Query) +} + +// ShouldBindWith binds the passed struct pointer using the specified binding engine. +// See the binding package. +func (c *Context) ShouldBindWith(obj interface{}, b binding.Binding) error { + return b.Bind(c.Request, obj) +} + +// ShouldBindBodyWith is similar with ShouldBindWith, but it stores the request +// body into the context, and reuse when it is called again. +// +// NOTE: This method reads the body before binding. So you should use +// ShouldBindWith for better performance if you need to call only once. +func (c *Context) ShouldBindBodyWith( + obj interface{}, bb binding.BindingBody, +) (err error) { + var body []byte + if cb, ok := c.Get(BodyBytesKey); ok { + if cbb, ok := cb.([]byte); ok { + body = cbb + } + } + if body == nil { + body, err = ioutil.ReadAll(c.Request.Body) + if err != nil { + return err + } + c.Set(BodyBytesKey, body) + } + return bb.BindBody(body, obj) +} + +// ClientIP implements a best effort algorithm to return the real client IP, it parses +// X-Real-IP and X-Forwarded-For in order to work properly with reverse-proxies such us: nginx or haproxy. +// Use X-Forwarded-For before X-Real-Ip as nginx uses X-Real-Ip with the proxy's IP. +func (c *Context) ClientIP() string { + if c.engine.ForwardedByClientIP { + clientIP := c.requestHeader("X-Forwarded-For") + clientIP = strings.TrimSpace(strings.Split(clientIP, ",")[0]) + if clientIP == "" { + clientIP = strings.TrimSpace(c.requestHeader("X-Real-Ip")) + } + if clientIP != "" { + return clientIP + } + } + + if c.engine.AppEngine { + if addr := c.requestHeader("X-Appengine-Remote-Addr"); addr != "" { + return addr + } + } + + if ip, _, err := net.SplitHostPort(strings.TrimSpace(c.Request.RemoteAddr)); err == nil { + return ip + } + + return "" +} + +// ContentType returns the Content-Type header of the request. +func (c *Context) ContentType() string { + return filterFlags(c.requestHeader("Content-Type")) +} + +// IsWebsocket returns true if the request headers indicate that a websocket +// handshake is being initiated by the client. +func (c *Context) IsWebsocket() bool { + if strings.Contains(strings.ToLower(c.requestHeader("Connection")), "upgrade") && + strings.ToLower(c.requestHeader("Upgrade")) == "websocket" { + return true + } + return false +} + +func (c *Context) requestHeader(key string) string { + return c.Request.Header.Get(key) +} + +/************************************/ +/******** RESPONSE RENDERING ********/ +/************************************/ + +// bodyAllowedForStatus is a copy of http.bodyAllowedForStatus non-exported function. +func bodyAllowedForStatus(status int) bool { + switch { + case status >= 100 && status <= 199: + return false + case status == http.StatusNoContent: + return false + case status == http.StatusNotModified: + return false + } + return true +} + +// Status sets the HTTP response code. +func (c *Context) Status(code int) { + c.writermem.WriteHeader(code) +} + +// Header is a intelligent shortcut for c.Writer.Header().Set(key, value). +// It writes a header in the response. +// If value == "", this method removes the header `c.Writer.Header().Del(key)` +func (c *Context) Header(key, value string) { + if value == "" { + c.Writer.Header().Del(key) + } else { + c.Writer.Header().Set(key, value) + } +} + +// GetHeader returns value from request headers. +func (c *Context) GetHeader(key string) string { + return c.requestHeader(key) +} + +// GetRawData return stream data. +func (c *Context) GetRawData() ([]byte, error) { + return ioutil.ReadAll(c.Request.Body) +} + +// SetCookie adds a Set-Cookie header to the ResponseWriter's headers. +// The provided cookie must have a valid Name. Invalid cookies may be +// silently dropped. +func (c *Context) SetCookie(name, value string, maxAge int, path, domain string, secure, httpOnly bool) { + if path == "" { + path = "/" + } + http.SetCookie(c.Writer, &http.Cookie{ + Name: name, + Value: url.QueryEscape(value), + MaxAge: maxAge, + Path: path, + Domain: domain, + Secure: secure, + HttpOnly: httpOnly, + }) +} + +// Cookie returns the named cookie provided in the request or +// ErrNoCookie if not found. And return the named cookie is unescaped. +// If multiple cookies match the given name, only one cookie will +// be returned. +func (c *Context) Cookie(name string) (string, error) { + cookie, err := c.Request.Cookie(name) + if err != nil { + return "", err + } + val, _ := url.QueryUnescape(cookie.Value) + return val, nil +} + +func (c *Context) Render(code int, r render.Render) { + c.Status(code) + + if !bodyAllowedForStatus(code) { + r.WriteContentType(c.Writer) + c.Writer.WriteHeaderNow() + return + } + + if err := r.Render(c.Writer); err != nil { + panic(err) + } +} + +// HTML renders the HTTP template specified by its file name. +// It also updates the HTTP code and sets the Content-Type as "text/html". +// See http://golang.org/doc/articles/wiki/ +func (c *Context) HTML(code int, name string, obj interface{}) { + instance := c.engine.HTMLRender.Instance(name, obj) + c.Render(code, instance) +} + +// IndentedJSON serializes the given struct as pretty JSON (indented + endlines) into the response body. +// It also sets the Content-Type as "application/json". +// WARNING: we recommend to use this only for development purposes since printing pretty JSON is +// more CPU and bandwidth consuming. Use Context.JSON() instead. +func (c *Context) IndentedJSON(code int, obj interface{}) { + c.Render(code, render.IndentedJSON{Data: obj}) +} + +// SecureJSON serializes the given struct as Secure JSON into the response body. +// Default prepends "while(1)," to response body if the given struct is array values. +// It also sets the Content-Type as "application/json". +func (c *Context) SecureJSON(code int, obj interface{}) { + c.Render(code, render.SecureJSON{Prefix: c.engine.secureJsonPrefix, Data: obj}) +} + +// JSONP serializes the given struct as JSON into the response body. +// It add padding to response body to request data from a server residing in a different domain than the client. +// It also sets the Content-Type as "application/javascript". +func (c *Context) JSONP(code int, obj interface{}) { + callback := c.DefaultQuery("callback", "") + if callback == "" { + c.Render(code, render.JSON{Data: obj}) + } else { + c.Render(code, render.JsonpJSON{Callback: callback, Data: obj}) + } +} + +// JSON serializes the given struct as JSON into the response body. +// It also sets the Content-Type as "application/json". +func (c *Context) JSON(code int, obj interface{}) { + c.Render(code, render.JSON{Data: obj}) +} + +// AsciiJSON serializes the given struct as JSON into the response body with unicode to ASCII string. +// It also sets the Content-Type as "application/json". +func (c *Context) AsciiJSON(code int, obj interface{}) { + c.Render(code, render.AsciiJSON{Data: obj}) +} + +// XML serializes the given struct as XML into the response body. +// It also sets the Content-Type as "application/xml". +func (c *Context) XML(code int, obj interface{}) { + c.Render(code, render.XML{Data: obj}) +} + +// YAML serializes the given struct as YAML into the response body. +func (c *Context) YAML(code int, obj interface{}) { + c.Render(code, render.YAML{Data: obj}) +} + +// String writes the given string into the response body. +func (c *Context) String(code int, format string, values ...interface{}) { + c.Render(code, render.String{Format: format, Data: values}) +} + +// Redirect returns a HTTP redirect to the specific location. +func (c *Context) Redirect(code int, location string) { + c.Render(-1, render.Redirect{ + Code: code, + Location: location, + Request: c.Request, + }) +} + +// Data writes some data into the body stream and updates the HTTP code. +func (c *Context) Data(code int, contentType string, data []byte) { + c.Render(code, render.Data{ + ContentType: contentType, + Data: data, + }) +} + +// DataFromReader writes the specified reader into the body stream and updates the HTTP code. +func (c *Context) DataFromReader(code int, contentLength int64, contentType string, reader io.Reader, extraHeaders map[string]string) { + c.Render(code, render.Reader{ + Headers: extraHeaders, + ContentType: contentType, + ContentLength: contentLength, + Reader: reader, + }) +} + +// File writes the specified file into the body stream in a efficient way. +func (c *Context) File(filepath string) { + http.ServeFile(c.Writer, c.Request, filepath) +} + +// SSEvent writes a Server-Sent Event into the body stream. +func (c *Context) SSEvent(name string, message interface{}) { + c.Render(-1, sse.Event{ + Event: name, + Data: message, + }) +} + +func (c *Context) Stream(step func(w io.Writer) bool) { + w := c.Writer + clientGone := w.CloseNotify() + for { + select { + case <-clientGone: + return + default: + keepOpen := step(w) + w.Flush() + if !keepOpen { + return + } + } + } +} + +/************************************/ +/******** CONTENT NEGOTIATION *******/ +/************************************/ + +type Negotiate struct { + Offered []string + HTMLName string + HTMLData interface{} + JSONData interface{} + XMLData interface{} + Data interface{} +} + +func (c *Context) Negotiate(code int, config Negotiate) { + switch c.NegotiateFormat(config.Offered...) { + case binding.MIMEJSON: + data := chooseData(config.JSONData, config.Data) + c.JSON(code, data) + + case binding.MIMEHTML: + data := chooseData(config.HTMLData, config.Data) + c.HTML(code, config.HTMLName, data) + + case binding.MIMEXML: + data := chooseData(config.XMLData, config.Data) + c.XML(code, data) + + default: + c.AbortWithError(http.StatusNotAcceptable, errors.New("the accepted formats are not offered by the server")) + } +} + +func (c *Context) NegotiateFormat(offered ...string) string { + assert1(len(offered) > 0, "you must provide at least one offer") + + if c.Accepted == nil { + c.Accepted = parseAccept(c.requestHeader("Accept")) + } + if len(c.Accepted) == 0 { + return offered[0] + } + for _, accepted := range c.Accepted { + for _, offert := range offered { + if accepted == offert { + return offert + } + } + } + return "" +} + +func (c *Context) SetAccepted(formats ...string) { + c.Accepted = formats +} + +/************************************/ +/***** GOLANG.ORG/X/NET/CONTEXT *****/ +/************************************/ + +// Deadline returns the time when work done on behalf of this context +// should be canceled. Deadline returns ok==false when no deadline is +// set. Successive calls to Deadline return the same results. +func (c *Context) Deadline() (deadline time.Time, ok bool) { + return +} + +// Done returns a channel that's closed when work done on behalf of this +// context should be canceled. Done may return nil if this context can +// never be canceled. Successive calls to Done return the same value. +func (c *Context) Done() <-chan struct{} { + return nil +} + +// Err returns a non-nil error value after Done is closed, +// successive calls to Err return the same error. +// If Done is not yet closed, Err returns nil. +// If Done is closed, Err returns a non-nil error explaining why: +// Canceled if the context was canceled +// or DeadlineExceeded if the context's deadline passed. +func (c *Context) Err() error { + return nil +} + +// Value returns the value associated with this context for key, or nil +// if no value is associated with key. Successive calls to Value with +// the same key returns the same result. +func (c *Context) Value(key interface{}) interface{} { + if key == 0 { + return c.Request + } + if keyAsString, ok := key.(string); ok { + val, _ := c.Get(keyAsString) + return val + } + return nil +} diff --git a/vendor/github.com/gin-gonic/gin/context_appengine.go b/vendor/github.com/gin-gonic/gin/context_appengine.go new file mode 100644 index 0000000..38c189a --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/context_appengine.go @@ -0,0 +1,11 @@ +// +build appengine + +// Copyright 2017 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +func init() { + defaultAppEngine = true +} diff --git a/vendor/github.com/gin-gonic/gin/coverage.sh b/vendor/github.com/gin-gonic/gin/coverage.sh new file mode 100644 index 0000000..4d1ee03 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/coverage.sh @@ -0,0 +1,13 @@ +#!/usr/bin/env bash + +set -e + +echo "mode: count" > coverage.out + +for d in $(go list ./... | grep -E 'gin$|binding$|render$' | grep -v 'examples'); do + go test -v -covermode=count -coverprofile=profile.out $d + if [ -f profile.out ]; then + cat profile.out | grep -v "mode:" >> coverage.out + rm profile.out + fi +done diff --git a/vendor/github.com/gin-gonic/gin/debug.go b/vendor/github.com/gin-gonic/gin/debug.go new file mode 100644 index 0000000..f11156b --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/debug.go @@ -0,0 +1,80 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "bytes" + "html/template" + "log" +) + +func init() { + log.SetFlags(0) +} + +// IsDebugging returns true if the framework is running in debug mode. +// Use SetMode(gin.ReleaseMode) to disable debug mode. +func IsDebugging() bool { + return ginMode == debugCode +} + +func debugPrintRoute(httpMethod, absolutePath string, handlers HandlersChain) { + if IsDebugging() { + nuHandlers := len(handlers) + handlerName := nameOfFunction(handlers.Last()) + debugPrint("%-6s %-25s --> %s (%d handlers)\n", httpMethod, absolutePath, handlerName, nuHandlers) + } +} + +func debugPrintLoadTemplate(tmpl *template.Template) { + if IsDebugging() { + var buf bytes.Buffer + for _, tmpl := range tmpl.Templates() { + buf.WriteString("\t- ") + buf.WriteString(tmpl.Name()) + buf.WriteString("\n") + } + debugPrint("Loaded HTML Templates (%d): \n%s\n", len(tmpl.Templates()), buf.String()) + } +} + +func debugPrint(format string, values ...interface{}) { + if IsDebugging() { + log.Printf("[GIN-debug] "+format, values...) + } +} + +func debugPrintWARNINGDefault() { + debugPrint(`[WARNING] Now Gin requires Go 1.6 or later and Go 1.7 will be required soon. + +`) + debugPrint(`[WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached. + +`) +} + +func debugPrintWARNINGNew() { + debugPrint(`[WARNING] Running in "debug" mode. Switch to "release" mode in production. + - using env: export GIN_MODE=release + - using code: gin.SetMode(gin.ReleaseMode) + +`) +} + +func debugPrintWARNINGSetHTMLTemplate() { + debugPrint(`[WARNING] Since SetHTMLTemplate() is NOT thread-safe. It should only be called +at initialization. ie. before any route is registered or the router is listening in a socket: + + router := gin.Default() + router.SetHTMLTemplate(template) // << good place + +`) +} + +func debugPrintError(err error) { + if err != nil { + debugPrint("[ERROR] %v\n", err) + } +} diff --git a/vendor/github.com/gin-gonic/gin/deprecated.go b/vendor/github.com/gin-gonic/gin/deprecated.go new file mode 100644 index 0000000..ab44742 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/deprecated.go @@ -0,0 +1,21 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "log" + + "github.com/gin-gonic/gin/binding" +) + +// BindWith binds the passed struct pointer using the specified binding engine. +// See the binding package. +func (c *Context) BindWith(obj interface{}, b binding.Binding) error { + log.Println(`BindWith(\"interface{}, binding.Binding\") error is going to + be deprecated, please check issue #662 and either use MustBindWith() if you + want HTTP 400 to be automatically returned if any error occur, or use + ShouldBindWith() if you need to manage the error.`) + return c.MustBindWith(obj, b) +} diff --git a/vendor/github.com/gin-gonic/gin/doc.go b/vendor/github.com/gin-gonic/gin/doc.go new file mode 100644 index 0000000..01ac4a9 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/doc.go @@ -0,0 +1,6 @@ +/* +Package gin implements a HTTP web framework called gin. + +See https://gin-gonic.github.io/gin/ for more information about gin. +*/ +package gin // import "github.com/gin-gonic/gin" diff --git a/vendor/github.com/gin-gonic/gin/errors.go b/vendor/github.com/gin-gonic/gin/errors.go new file mode 100644 index 0000000..dbfccd8 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/errors.go @@ -0,0 +1,157 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "bytes" + "fmt" + "reflect" + + "github.com/gin-gonic/gin/json" +) + +type ErrorType uint64 + +const ( + ErrorTypeBind ErrorType = 1 << 63 // used when c.Bind() fails + ErrorTypeRender ErrorType = 1 << 62 // used when c.Render() fails + ErrorTypePrivate ErrorType = 1 << 0 + ErrorTypePublic ErrorType = 1 << 1 + + ErrorTypeAny ErrorType = 1<<64 - 1 + ErrorTypeNu = 2 +) + +type Error struct { + Err error + Type ErrorType + Meta interface{} +} + +type errorMsgs []*Error + +var _ error = &Error{} + +func (msg *Error) SetType(flags ErrorType) *Error { + msg.Type = flags + return msg +} + +func (msg *Error) SetMeta(data interface{}) *Error { + msg.Meta = data + return msg +} + +func (msg *Error) JSON() interface{} { + json := H{} + if msg.Meta != nil { + value := reflect.ValueOf(msg.Meta) + switch value.Kind() { + case reflect.Struct: + return msg.Meta + case reflect.Map: + for _, key := range value.MapKeys() { + json[key.String()] = value.MapIndex(key).Interface() + } + default: + json["meta"] = msg.Meta + } + } + if _, ok := json["error"]; !ok { + json["error"] = msg.Error() + } + return json +} + +// MarshalJSON implements the json.Marshaller interface. +func (msg *Error) MarshalJSON() ([]byte, error) { + return json.Marshal(msg.JSON()) +} + +// Error implements the error interface +func (msg Error) Error() string { + return msg.Err.Error() +} + +func (msg *Error) IsType(flags ErrorType) bool { + return (msg.Type & flags) > 0 +} + +// ByType returns a readonly copy filtered the byte. +// ie ByType(gin.ErrorTypePublic) returns a slice of errors with type=ErrorTypePublic. +func (a errorMsgs) ByType(typ ErrorType) errorMsgs { + if len(a) == 0 { + return nil + } + if typ == ErrorTypeAny { + return a + } + var result errorMsgs + for _, msg := range a { + if msg.IsType(typ) { + result = append(result, msg) + } + } + return result +} + +// Last returns the last error in the slice. It returns nil if the array is empty. +// Shortcut for errors[len(errors)-1]. +func (a errorMsgs) Last() *Error { + if length := len(a); length > 0 { + return a[length-1] + } + return nil +} + +// Errors returns an array will all the error messages. +// Example: +// c.Error(errors.New("first")) +// c.Error(errors.New("second")) +// c.Error(errors.New("third")) +// c.Errors.Errors() // == []string{"first", "second", "third"} +func (a errorMsgs) Errors() []string { + if len(a) == 0 { + return nil + } + errorStrings := make([]string, len(a)) + for i, err := range a { + errorStrings[i] = err.Error() + } + return errorStrings +} + +func (a errorMsgs) JSON() interface{} { + switch len(a) { + case 0: + return nil + case 1: + return a.Last().JSON() + default: + json := make([]interface{}, len(a)) + for i, err := range a { + json[i] = err.JSON() + } + return json + } +} + +func (a errorMsgs) MarshalJSON() ([]byte, error) { + return json.Marshal(a.JSON()) +} + +func (a errorMsgs) String() string { + if len(a) == 0 { + return "" + } + var buffer bytes.Buffer + for i, msg := range a { + fmt.Fprintf(&buffer, "Error #%02d: %s\n", i+1, msg.Err) + if msg.Meta != nil { + fmt.Fprintf(&buffer, " Meta: %v\n", msg.Meta) + } + } + return buffer.String() +} diff --git a/vendor/github.com/gin-gonic/gin/fs.go b/vendor/github.com/gin-gonic/gin/fs.go new file mode 100644 index 0000000..7a6738a --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/fs.go @@ -0,0 +1,45 @@ +// Copyright 2017 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "net/http" + "os" +) + +type onlyfilesFS struct { + fs http.FileSystem +} + +type neuteredReaddirFile struct { + http.File +} + +// Dir returns a http.Filesystem that can be used by http.FileServer(). It is used internally +// in router.Static(). +// if listDirectory == true, then it works the same as http.Dir() otherwise it returns +// a filesystem that prevents http.FileServer() to list the directory files. +func Dir(root string, listDirectory bool) http.FileSystem { + fs := http.Dir(root) + if listDirectory { + return fs + } + return &onlyfilesFS{fs} +} + +// Open conforms to http.Filesystem. +func (fs onlyfilesFS) Open(name string) (http.File, error) { + f, err := fs.fs.Open(name) + if err != nil { + return nil, err + } + return neuteredReaddirFile{f}, nil +} + +// Readdir overrides the http.File default implementation. +func (f neuteredReaddirFile) Readdir(count int) ([]os.FileInfo, error) { + // this disables directory listing + return nil, nil +} diff --git a/vendor/github.com/gin-gonic/gin/gin.go b/vendor/github.com/gin-gonic/gin/gin.go new file mode 100644 index 0000000..aa62e01 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/gin.go @@ -0,0 +1,443 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "html/template" + "net" + "net/http" + "os" + "sync" + + "github.com/gin-gonic/gin/render" +) + +const ( + // Version is Framework's version. + Version = "v1.3.0" + defaultMultipartMemory = 32 << 20 // 32 MB +) + +var ( + default404Body = []byte("404 page not found") + default405Body = []byte("405 method not allowed") + defaultAppEngine bool +) + +type HandlerFunc func(*Context) +type HandlersChain []HandlerFunc + +// Last returns the last handler in the chain. ie. the last handler is the main own. +func (c HandlersChain) Last() HandlerFunc { + if length := len(c); length > 0 { + return c[length-1] + } + return nil +} + +type RouteInfo struct { + Method string + Path string + Handler string +} + +type RoutesInfo []RouteInfo + +// Engine is the framework's instance, it contains the muxer, middleware and configuration settings. +// Create an instance of Engine, by using New() or Default() +type Engine struct { + RouterGroup + + // Enables automatic redirection if the current route can't be matched but a + // handler for the path with (without) the trailing slash exists. + // For example if /foo/ is requested but a route only exists for /foo, the + // client is redirected to /foo with http status code 301 for GET requests + // and 307 for all other request methods. + RedirectTrailingSlash bool + + // If enabled, the router tries to fix the current request path, if no + // handle is registered for it. + // First superfluous path elements like ../ or // are removed. + // Afterwards the router does a case-insensitive lookup of the cleaned path. + // If a handle can be found for this route, the router makes a redirection + // to the corrected path with status code 301 for GET requests and 307 for + // all other request methods. + // For example /FOO and /..//Foo could be redirected to /foo. + // RedirectTrailingSlash is independent of this option. + RedirectFixedPath bool + + // If enabled, the router checks if another method is allowed for the + // current route, if the current request can not be routed. + // If this is the case, the request is answered with 'Method Not Allowed' + // and HTTP status code 405. + // If no other Method is allowed, the request is delegated to the NotFound + // handler. + HandleMethodNotAllowed bool + ForwardedByClientIP bool + + // #726 #755 If enabled, it will thrust some headers starting with + // 'X-AppEngine...' for better integration with that PaaS. + AppEngine bool + + // If enabled, the url.RawPath will be used to find parameters. + UseRawPath bool + + // If true, the path value will be unescaped. + // If UseRawPath is false (by default), the UnescapePathValues effectively is true, + // as url.Path gonna be used, which is already unescaped. + UnescapePathValues bool + + // Value of 'maxMemory' param that is given to http.Request's ParseMultipartForm + // method call. + MaxMultipartMemory int64 + + delims render.Delims + secureJsonPrefix string + HTMLRender render.HTMLRender + FuncMap template.FuncMap + allNoRoute HandlersChain + allNoMethod HandlersChain + noRoute HandlersChain + noMethod HandlersChain + pool sync.Pool + trees methodTrees +} + +var _ IRouter = &Engine{} + +// New returns a new blank Engine instance without any middleware attached. +// By default the configuration is: +// - RedirectTrailingSlash: true +// - RedirectFixedPath: false +// - HandleMethodNotAllowed: false +// - ForwardedByClientIP: true +// - UseRawPath: false +// - UnescapePathValues: true +func New() *Engine { + debugPrintWARNINGNew() + engine := &Engine{ + RouterGroup: RouterGroup{ + Handlers: nil, + basePath: "/", + root: true, + }, + FuncMap: template.FuncMap{}, + RedirectTrailingSlash: true, + RedirectFixedPath: false, + HandleMethodNotAllowed: false, + ForwardedByClientIP: true, + AppEngine: defaultAppEngine, + UseRawPath: false, + UnescapePathValues: true, + MaxMultipartMemory: defaultMultipartMemory, + trees: make(methodTrees, 0, 9), + delims: render.Delims{Left: "{{", Right: "}}"}, + secureJsonPrefix: "while(1);", + } + engine.RouterGroup.engine = engine + engine.pool.New = func() interface{} { + return engine.allocateContext() + } + return engine +} + +// Default returns an Engine instance with the Logger and Recovery middleware already attached. +func Default() *Engine { + debugPrintWARNINGDefault() + engine := New() + engine.Use(Logger(), Recovery()) + return engine +} + +func (engine *Engine) allocateContext() *Context { + return &Context{engine: engine} +} + +func (engine *Engine) Delims(left, right string) *Engine { + engine.delims = render.Delims{Left: left, Right: right} + return engine +} + +// SecureJsonPrefix sets the secureJsonPrefix used in Context.SecureJSON. +func (engine *Engine) SecureJsonPrefix(prefix string) *Engine { + engine.secureJsonPrefix = prefix + return engine +} + +// LoadHTMLGlob loads HTML files identified by glob pattern +// and associates the result with HTML renderer. +func (engine *Engine) LoadHTMLGlob(pattern string) { + left := engine.delims.Left + right := engine.delims.Right + templ := template.Must(template.New("").Delims(left, right).Funcs(engine.FuncMap).ParseGlob(pattern)) + + if IsDebugging() { + debugPrintLoadTemplate(templ) + engine.HTMLRender = render.HTMLDebug{Glob: pattern, FuncMap: engine.FuncMap, Delims: engine.delims} + return + } + + engine.SetHTMLTemplate(templ) +} + +// LoadHTMLFiles loads a slice of HTML files +// and associates the result with HTML renderer. +func (engine *Engine) LoadHTMLFiles(files ...string) { + if IsDebugging() { + engine.HTMLRender = render.HTMLDebug{Files: files, FuncMap: engine.FuncMap, Delims: engine.delims} + return + } + + templ := template.Must(template.New("").Delims(engine.delims.Left, engine.delims.Right).Funcs(engine.FuncMap).ParseFiles(files...)) + engine.SetHTMLTemplate(templ) +} + +// SetHTMLTemplate associate a template with HTML renderer. +func (engine *Engine) SetHTMLTemplate(templ *template.Template) { + if len(engine.trees) > 0 { + debugPrintWARNINGSetHTMLTemplate() + } + + engine.HTMLRender = render.HTMLProduction{Template: templ.Funcs(engine.FuncMap)} +} + +// SetFuncMap sets the FuncMap used for template.FuncMap. +func (engine *Engine) SetFuncMap(funcMap template.FuncMap) { + engine.FuncMap = funcMap +} + +// NoRoute adds handlers for NoRoute. It return a 404 code by default. +func (engine *Engine) NoRoute(handlers ...HandlerFunc) { + engine.noRoute = handlers + engine.rebuild404Handlers() +} + +// NoMethod sets the handlers called when... TODO. +func (engine *Engine) NoMethod(handlers ...HandlerFunc) { + engine.noMethod = handlers + engine.rebuild405Handlers() +} + +// Use attachs a global middleware to the router. ie. the middleware attached though Use() will be +// included in the handlers chain for every single request. Even 404, 405, static files... +// For example, this is the right place for a logger or error management middleware. +func (engine *Engine) Use(middleware ...HandlerFunc) IRoutes { + engine.RouterGroup.Use(middleware...) + engine.rebuild404Handlers() + engine.rebuild405Handlers() + return engine +} + +func (engine *Engine) rebuild404Handlers() { + engine.allNoRoute = engine.combineHandlers(engine.noRoute) +} + +func (engine *Engine) rebuild405Handlers() { + engine.allNoMethod = engine.combineHandlers(engine.noMethod) +} + +func (engine *Engine) addRoute(method, path string, handlers HandlersChain) { + assert1(path[0] == '/', "path must begin with '/'") + assert1(method != "", "HTTP method can not be empty") + assert1(len(handlers) > 0, "there must be at least one handler") + + debugPrintRoute(method, path, handlers) + root := engine.trees.get(method) + if root == nil { + root = new(node) + engine.trees = append(engine.trees, methodTree{method: method, root: root}) + } + root.addRoute(path, handlers) +} + +// Routes returns a slice of registered routes, including some useful information, such as: +// the http method, path and the handler name. +func (engine *Engine) Routes() (routes RoutesInfo) { + for _, tree := range engine.trees { + routes = iterate("", tree.method, routes, tree.root) + } + return routes +} + +func iterate(path, method string, routes RoutesInfo, root *node) RoutesInfo { + path += root.path + if len(root.handlers) > 0 { + routes = append(routes, RouteInfo{ + Method: method, + Path: path, + Handler: nameOfFunction(root.handlers.Last()), + }) + } + for _, child := range root.children { + routes = iterate(path, method, routes, child) + } + return routes +} + +// Run attaches the router to a http.Server and starts listening and serving HTTP requests. +// It is a shortcut for http.ListenAndServe(addr, router) +// Note: this method will block the calling goroutine indefinitely unless an error happens. +func (engine *Engine) Run(addr ...string) (err error) { + defer func() { debugPrintError(err) }() + + address := resolveAddress(addr) + debugPrint("Listening and serving HTTP on %s\n", address) + err = http.ListenAndServe(address, engine) + return +} + +// RunTLS attaches the router to a http.Server and starts listening and serving HTTPS (secure) requests. +// It is a shortcut for http.ListenAndServeTLS(addr, certFile, keyFile, router) +// Note: this method will block the calling goroutine indefinitely unless an error happens. +func (engine *Engine) RunTLS(addr, certFile, keyFile string) (err error) { + debugPrint("Listening and serving HTTPS on %s\n", addr) + defer func() { debugPrintError(err) }() + + err = http.ListenAndServeTLS(addr, certFile, keyFile, engine) + return +} + +// RunUnix attaches the router to a http.Server and starts listening and serving HTTP requests +// through the specified unix socket (ie. a file). +// Note: this method will block the calling goroutine indefinitely unless an error happens. +func (engine *Engine) RunUnix(file string) (err error) { + debugPrint("Listening and serving HTTP on unix:/%s", file) + defer func() { debugPrintError(err) }() + + os.Remove(file) + listener, err := net.Listen("unix", file) + if err != nil { + return + } + defer listener.Close() + err = http.Serve(listener, engine) + return +} + +// ServeHTTP conforms to the http.Handler interface. +func (engine *Engine) ServeHTTP(w http.ResponseWriter, req *http.Request) { + c := engine.pool.Get().(*Context) + c.writermem.reset(w) + c.Request = req + c.reset() + + engine.handleHTTPRequest(c) + + engine.pool.Put(c) +} + +// HandleContext re-enter a context that has been rewritten. +// This can be done by setting c.Request.URL.Path to your new target. +// Disclaimer: You can loop yourself to death with this, use wisely. +func (engine *Engine) HandleContext(c *Context) { + c.reset() + engine.handleHTTPRequest(c) + engine.pool.Put(c) +} + +func (engine *Engine) handleHTTPRequest(c *Context) { + httpMethod := c.Request.Method + path := c.Request.URL.Path + unescape := false + if engine.UseRawPath && len(c.Request.URL.RawPath) > 0 { + path = c.Request.URL.RawPath + unescape = engine.UnescapePathValues + } + + // Find root of the tree for the given HTTP method + t := engine.trees + for i, tl := 0, len(t); i < tl; i++ { + if t[i].method != httpMethod { + continue + } + root := t[i].root + // Find route in tree + handlers, params, tsr := root.getValue(path, c.Params, unescape) + if handlers != nil { + c.handlers = handlers + c.Params = params + c.Next() + c.writermem.WriteHeaderNow() + return + } + if httpMethod != "CONNECT" && path != "/" { + if tsr && engine.RedirectTrailingSlash { + redirectTrailingSlash(c) + return + } + if engine.RedirectFixedPath && redirectFixedPath(c, root, engine.RedirectFixedPath) { + return + } + } + break + } + + if engine.HandleMethodNotAllowed { + for _, tree := range engine.trees { + if tree.method == httpMethod { + continue + } + if handlers, _, _ := tree.root.getValue(path, nil, unescape); handlers != nil { + c.handlers = engine.allNoMethod + serveError(c, http.StatusMethodNotAllowed, default405Body) + return + } + } + } + c.handlers = engine.allNoRoute + serveError(c, http.StatusNotFound, default404Body) +} + +var mimePlain = []string{MIMEPlain} + +func serveError(c *Context, code int, defaultMessage []byte) { + c.writermem.status = code + c.Next() + if c.writermem.Written() { + return + } + if c.writermem.Status() == code { + c.writermem.Header()["Content-Type"] = mimePlain + c.Writer.Write(defaultMessage) + return + } + c.writermem.WriteHeaderNow() + return +} + +func redirectTrailingSlash(c *Context) { + req := c.Request + path := req.URL.Path + code := http.StatusMovedPermanently // Permanent redirect, request with GET method + if req.Method != "GET" { + code = http.StatusTemporaryRedirect + } + + req.URL.Path = path + "/" + if length := len(path); length > 1 && path[length-1] == '/' { + req.URL.Path = path[:length-1] + } + debugPrint("redirecting request %d: %s --> %s", code, path, req.URL.String()) + http.Redirect(c.Writer, req, req.URL.String(), code) + c.writermem.WriteHeaderNow() +} + +func redirectFixedPath(c *Context, root *node, trailingSlash bool) bool { + req := c.Request + path := req.URL.Path + + if fixedPath, ok := root.findCaseInsensitivePath(cleanPath(path), trailingSlash); ok { + code := http.StatusMovedPermanently // Permanent redirect, request with GET method + if req.Method != "GET" { + code = http.StatusTemporaryRedirect + } + req.URL.Path = string(fixedPath) + debugPrint("redirecting request %d: %s --> %s", code, path, req.URL.String()) + http.Redirect(c.Writer, req, req.URL.String(), code) + c.writermem.WriteHeaderNow() + return true + } + return false +} diff --git a/vendor/github.com/gin-gonic/gin/json/json.go b/vendor/github.com/gin-gonic/gin/json/json.go new file mode 100644 index 0000000..aa76aa3 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/json/json.go @@ -0,0 +1,15 @@ +// Copyright 2017 Bo-Yi Wu. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +// +build !jsoniter + +package json + +import "encoding/json" + +var ( + Marshal = json.Marshal + MarshalIndent = json.MarshalIndent + NewDecoder = json.NewDecoder +) diff --git a/vendor/github.com/gin-gonic/gin/json/jsoniter.go b/vendor/github.com/gin-gonic/gin/json/jsoniter.go new file mode 100644 index 0000000..ffe1424 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/json/jsoniter.go @@ -0,0 +1,16 @@ +// Copyright 2017 Bo-Yi Wu. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +// +build jsoniter + +package json + +import "github.com/json-iterator/go" + +var ( + json = jsoniter.ConfigCompatibleWithStandardLibrary + Marshal = json.Marshal + MarshalIndent = json.MarshalIndent + NewDecoder = json.NewDecoder +) diff --git a/vendor/github.com/gin-gonic/gin/logger.go b/vendor/github.com/gin-gonic/gin/logger.go new file mode 100644 index 0000000..1a8df60 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/logger.go @@ -0,0 +1,152 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "fmt" + "io" + "net/http" + "os" + "time" + + "github.com/mattn/go-isatty" +) + +var ( + green = string([]byte{27, 91, 57, 55, 59, 52, 50, 109}) + white = string([]byte{27, 91, 57, 48, 59, 52, 55, 109}) + yellow = string([]byte{27, 91, 57, 55, 59, 52, 51, 109}) + red = string([]byte{27, 91, 57, 55, 59, 52, 49, 109}) + blue = string([]byte{27, 91, 57, 55, 59, 52, 52, 109}) + magenta = string([]byte{27, 91, 57, 55, 59, 52, 53, 109}) + cyan = string([]byte{27, 91, 57, 55, 59, 52, 54, 109}) + reset = string([]byte{27, 91, 48, 109}) + disableColor = false +) + +// DisableConsoleColor disables color output in the console. +func DisableConsoleColor() { + disableColor = true +} + +// ErrorLogger returns a handlerfunc for any error type. +func ErrorLogger() HandlerFunc { + return ErrorLoggerT(ErrorTypeAny) +} + +// ErrorLoggerT returns a handlerfunc for a given error type. +func ErrorLoggerT(typ ErrorType) HandlerFunc { + return func(c *Context) { + c.Next() + errors := c.Errors.ByType(typ) + if len(errors) > 0 { + c.JSON(-1, errors) + } + } +} + +// Logger instances a Logger middleware that will write the logs to gin.DefaultWriter. +// By default gin.DefaultWriter = os.Stdout. +func Logger() HandlerFunc { + return LoggerWithWriter(DefaultWriter) +} + +// LoggerWithWriter instance a Logger middleware with the specified writter buffer. +// Example: os.Stdout, a file opened in write mode, a socket... +func LoggerWithWriter(out io.Writer, notlogged ...string) HandlerFunc { + isTerm := true + + if w, ok := out.(*os.File); !ok || + (os.Getenv("TERM") == "dumb" || (!isatty.IsTerminal(w.Fd()) && !isatty.IsCygwinTerminal(w.Fd()))) || + disableColor { + isTerm = false + } + + var skip map[string]struct{} + + if length := len(notlogged); length > 0 { + skip = make(map[string]struct{}, length) + + for _, path := range notlogged { + skip[path] = struct{}{} + } + } + + return func(c *Context) { + // Start timer + start := time.Now() + path := c.Request.URL.Path + raw := c.Request.URL.RawQuery + + // Process request + c.Next() + + // Log only when path is not being skipped + if _, ok := skip[path]; !ok { + // Stop timer + end := time.Now() + latency := end.Sub(start) + + clientIP := c.ClientIP() + method := c.Request.Method + statusCode := c.Writer.Status() + var statusColor, methodColor, resetColor string + if isTerm { + statusColor = colorForStatus(statusCode) + methodColor = colorForMethod(method) + resetColor = reset + } + comment := c.Errors.ByType(ErrorTypePrivate).String() + + if raw != "" { + path = path + "?" + raw + } + + fmt.Fprintf(out, "[GIN] %v |%s %3d %s| %13v | %15s |%s %-7s %s %s\n%s", + end.Format("2006/01/02 - 15:04:05"), + statusColor, statusCode, resetColor, + latency, + clientIP, + methodColor, method, resetColor, + path, + comment, + ) + } + } +} + +func colorForStatus(code int) string { + switch { + case code >= http.StatusOK && code < http.StatusMultipleChoices: + return green + case code >= http.StatusMultipleChoices && code < http.StatusBadRequest: + return white + case code >= http.StatusBadRequest && code < http.StatusInternalServerError: + return yellow + default: + return red + } +} + +func colorForMethod(method string) string { + switch method { + case "GET": + return blue + case "POST": + return cyan + case "PUT": + return yellow + case "DELETE": + return red + case "PATCH": + return green + case "HEAD": + return magenta + case "OPTIONS": + return white + default: + return reset + } +} diff --git a/vendor/github.com/gin-gonic/gin/mode.go b/vendor/github.com/gin-gonic/gin/mode.go new file mode 100644 index 0000000..9df4e45 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/mode.go @@ -0,0 +1,72 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "io" + "os" + + "github.com/gin-gonic/gin/binding" +) + +const ENV_GIN_MODE = "GIN_MODE" + +const ( + DebugMode = "debug" + ReleaseMode = "release" + TestMode = "test" +) +const ( + debugCode = iota + releaseCode + testCode +) + +// DefaultWriter is the default io.Writer used the Gin for debug output and +// middleware output like Logger() or Recovery(). +// Note that both Logger and Recovery provides custom ways to configure their +// output io.Writer. +// To support coloring in Windows use: +// import "github.com/mattn/go-colorable" +// gin.DefaultWriter = colorable.NewColorableStdout() +var DefaultWriter io.Writer = os.Stdout +var DefaultErrorWriter io.Writer = os.Stderr + +var ginMode = debugCode +var modeName = DebugMode + +func init() { + mode := os.Getenv(ENV_GIN_MODE) + SetMode(mode) +} + +func SetMode(value string) { + switch value { + case DebugMode, "": + ginMode = debugCode + case ReleaseMode: + ginMode = releaseCode + case TestMode: + ginMode = testCode + default: + panic("gin mode unknown: " + value) + } + if value == "" { + value = DebugMode + } + modeName = value +} + +func DisableBindValidation() { + binding.Validator = nil +} + +func EnableJsonDecoderUseNumber() { + binding.EnableDecoderUseNumber = true +} + +func Mode() string { + return modeName +} diff --git a/vendor/github.com/gin-gonic/gin/path.go b/vendor/github.com/gin-gonic/gin/path.go new file mode 100644 index 0000000..d1f5962 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/path.go @@ -0,0 +1,123 @@ +// Copyright 2013 Julien Schmidt. All rights reserved. +// Based on the path package, Copyright 2009 The Go Authors. +// Use of this source code is governed by a BSD-style license that can be found +// at https://github.com/julienschmidt/httprouter/blob/master/LICENSE. + +package gin + +// cleanPath is the URL version of path.Clean, it returns a canonical URL path +// for p, eliminating . and .. elements. +// +// The following rules are applied iteratively until no further processing can +// be done: +// 1. Replace multiple slashes with a single slash. +// 2. Eliminate each . path name element (the current directory). +// 3. Eliminate each inner .. path name element (the parent directory) +// along with the non-.. element that precedes it. +// 4. Eliminate .. elements that begin a rooted path: +// that is, replace "/.." by "/" at the beginning of a path. +// +// If the result of this process is an empty string, "/" is returned. +func cleanPath(p string) string { + // Turn empty string into "/" + if p == "" { + return "/" + } + + n := len(p) + var buf []byte + + // Invariants: + // reading from path; r is index of next byte to process. + // writing to buf; w is index of next byte to write. + + // path must start with '/' + r := 1 + w := 1 + + if p[0] != '/' { + r = 0 + buf = make([]byte, n+1) + buf[0] = '/' + } + + trailing := n > 1 && p[n-1] == '/' + + // A bit more clunky without a 'lazybuf' like the path package, but the loop + // gets completely inlined (bufApp). So in contrast to the path package this + // loop has no expensive function calls (except 1x make) + + for r < n { + switch { + case p[r] == '/': + // empty path element, trailing slash is added after the end + r++ + + case p[r] == '.' && r+1 == n: + trailing = true + r++ + + case p[r] == '.' && p[r+1] == '/': + // . element + r += 2 + + case p[r] == '.' && p[r+1] == '.' && (r+2 == n || p[r+2] == '/'): + // .. element: remove to last / + r += 3 + + if w > 1 { + // can backtrack + w-- + + if buf == nil { + for w > 1 && p[w] != '/' { + w-- + } + } else { + for w > 1 && buf[w] != '/' { + w-- + } + } + } + + default: + // real path element. + // add slash if needed + if w > 1 { + bufApp(&buf, p, w, '/') + w++ + } + + // copy element + for r < n && p[r] != '/' { + bufApp(&buf, p, w, p[r]) + w++ + r++ + } + } + } + + // re-append trailing slash + if trailing && w > 1 { + bufApp(&buf, p, w, '/') + w++ + } + + if buf == nil { + return p[:w] + } + return string(buf[:w]) +} + +// internal helper to lazily create a buffer if necessary. +func bufApp(buf *[]byte, s string, w int, c byte) { + if *buf == nil { + if s[w] == c { + return + } + + *buf = make([]byte, len(s)) + copy(*buf, s[:w]) + } + (*buf)[w] = c +} diff --git a/vendor/github.com/gin-gonic/gin/recovery.go b/vendor/github.com/gin-gonic/gin/recovery.go new file mode 100644 index 0000000..61c5bd5 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/recovery.go @@ -0,0 +1,116 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "bytes" + "fmt" + "io" + "io/ioutil" + "log" + "net/http" + "net/http/httputil" + "runtime" + "time" +) + +var ( + dunno = []byte("???") + centerDot = []byte("·") + dot = []byte(".") + slash = []byte("/") +) + +// Recovery returns a middleware that recovers from any panics and writes a 500 if there was one. +func Recovery() HandlerFunc { + return RecoveryWithWriter(DefaultErrorWriter) +} + +// RecoveryWithWriter returns a middleware for a given writer that recovers from any panics and writes a 500 if there was one. +func RecoveryWithWriter(out io.Writer) HandlerFunc { + var logger *log.Logger + if out != nil { + logger = log.New(out, "\n\n\x1b[31m", log.LstdFlags) + } + return func(c *Context) { + defer func() { + if err := recover(); err != nil { + if logger != nil { + stack := stack(3) + httprequest, _ := httputil.DumpRequest(c.Request, false) + logger.Printf("[Recovery] %s panic recovered:\n%s\n%s\n%s%s", timeFormat(time.Now()), string(httprequest), err, stack, reset) + } + c.AbortWithStatus(http.StatusInternalServerError) + } + }() + c.Next() + } +} + +// stack returns a nicely formatted stack frame, skipping skip frames. +func stack(skip int) []byte { + buf := new(bytes.Buffer) // the returned data + // As we loop, we open files and read them. These variables record the currently + // loaded file. + var lines [][]byte + var lastFile string + for i := skip; ; i++ { // Skip the expected number of frames + pc, file, line, ok := runtime.Caller(i) + if !ok { + break + } + // Print this much at least. If we can't find the source, it won't show. + fmt.Fprintf(buf, "%s:%d (0x%x)\n", file, line, pc) + if file != lastFile { + data, err := ioutil.ReadFile(file) + if err != nil { + continue + } + lines = bytes.Split(data, []byte{'\n'}) + lastFile = file + } + fmt.Fprintf(buf, "\t%s: %s\n", function(pc), source(lines, line)) + } + return buf.Bytes() +} + +// source returns a space-trimmed slice of the n'th line. +func source(lines [][]byte, n int) []byte { + n-- // in stack trace, lines are 1-indexed but our array is 0-indexed + if n < 0 || n >= len(lines) { + return dunno + } + return bytes.TrimSpace(lines[n]) +} + +// function returns, if possible, the name of the function containing the PC. +func function(pc uintptr) []byte { + fn := runtime.FuncForPC(pc) + if fn == nil { + return dunno + } + name := []byte(fn.Name()) + // The name includes the path name to the package, which is unnecessary + // since the file name is already included. Plus, it has center dots. + // That is, we see + // runtime/debug.*T·ptrmethod + // and want + // *T.ptrmethod + // Also the package path might contains dot (e.g. code.google.com/...), + // so first eliminate the path prefix + if lastslash := bytes.LastIndex(name, slash); lastslash >= 0 { + name = name[lastslash+1:] + } + if period := bytes.Index(name, dot); period >= 0 { + name = name[period+1:] + } + name = bytes.Replace(name, centerDot, dot, -1) + return name +} + +func timeFormat(t time.Time) string { + var timeString = t.Format("2006/01/02 - 15:04:05") + return timeString +} diff --git a/vendor/github.com/gin-gonic/gin/render/data.go b/vendor/github.com/gin-gonic/gin/render/data.go new file mode 100644 index 0000000..3319491 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/data.go @@ -0,0 +1,23 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import "net/http" + +type Data struct { + ContentType string + Data []byte +} + +// Render (Data) writes data with custom ContentType. +func (r Data) Render(w http.ResponseWriter) (err error) { + r.WriteContentType(w) + _, err = w.Write(r.Data) + return +} + +func (r Data) WriteContentType(w http.ResponseWriter) { + writeContentType(w, []string{r.ContentType}) +} diff --git a/vendor/github.com/gin-gonic/gin/render/html.go b/vendor/github.com/gin-gonic/gin/render/html.go new file mode 100644 index 0000000..1e3be65 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/html.go @@ -0,0 +1,80 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import ( + "html/template" + "net/http" +) + +type Delims struct { + Left string + Right string +} + +type HTMLRender interface { + Instance(string, interface{}) Render +} + +type HTMLProduction struct { + Template *template.Template + Delims Delims +} + +type HTMLDebug struct { + Files []string + Glob string + Delims Delims + FuncMap template.FuncMap +} + +type HTML struct { + Template *template.Template + Name string + Data interface{} +} + +var htmlContentType = []string{"text/html; charset=utf-8"} + +func (r HTMLProduction) Instance(name string, data interface{}) Render { + return HTML{ + Template: r.Template, + Name: name, + Data: data, + } +} + +func (r HTMLDebug) Instance(name string, data interface{}) Render { + return HTML{ + Template: r.loadTemplate(), + Name: name, + Data: data, + } +} +func (r HTMLDebug) loadTemplate() *template.Template { + if r.FuncMap == nil { + r.FuncMap = template.FuncMap{} + } + if len(r.Files) > 0 { + return template.Must(template.New("").Delims(r.Delims.Left, r.Delims.Right).Funcs(r.FuncMap).ParseFiles(r.Files...)) + } + if r.Glob != "" { + return template.Must(template.New("").Delims(r.Delims.Left, r.Delims.Right).Funcs(r.FuncMap).ParseGlob(r.Glob)) + } + panic("the HTML debug render was created without files or glob pattern") +} + +func (r HTML) Render(w http.ResponseWriter) error { + r.WriteContentType(w) + + if r.Name == "" { + return r.Template.Execute(w, r.Data) + } + return r.Template.ExecuteTemplate(w, r.Name, r.Data) +} + +func (r HTML) WriteContentType(w http.ResponseWriter) { + writeContentType(w, htmlContentType) +} diff --git a/vendor/github.com/gin-gonic/gin/render/json.go b/vendor/github.com/gin-gonic/gin/render/json.go new file mode 100755 index 0000000..6e5089a --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/json.go @@ -0,0 +1,146 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import ( + "bytes" + "fmt" + "html/template" + "net/http" + + "github.com/gin-gonic/gin/json" +) + +type JSON struct { + Data interface{} +} + +type IndentedJSON struct { + Data interface{} +} + +type SecureJSON struct { + Prefix string + Data interface{} +} + +type JsonpJSON struct { + Callback string + Data interface{} +} + +type AsciiJSON struct { + Data interface{} +} + +type SecureJSONPrefix string + +var jsonContentType = []string{"application/json; charset=utf-8"} +var jsonpContentType = []string{"application/javascript; charset=utf-8"} +var jsonAsciiContentType = []string{"application/json"} + +func (r JSON) Render(w http.ResponseWriter) (err error) { + if err = WriteJSON(w, r.Data); err != nil { + panic(err) + } + return +} + +func (r JSON) WriteContentType(w http.ResponseWriter) { + writeContentType(w, jsonContentType) +} + +func WriteJSON(w http.ResponseWriter, obj interface{}) error { + writeContentType(w, jsonContentType) + jsonBytes, err := json.Marshal(obj) + if err != nil { + return err + } + w.Write(jsonBytes) + return nil +} + +func (r IndentedJSON) Render(w http.ResponseWriter) error { + r.WriteContentType(w) + jsonBytes, err := json.MarshalIndent(r.Data, "", " ") + if err != nil { + return err + } + w.Write(jsonBytes) + return nil +} + +func (r IndentedJSON) WriteContentType(w http.ResponseWriter) { + writeContentType(w, jsonContentType) +} + +func (r SecureJSON) Render(w http.ResponseWriter) error { + r.WriteContentType(w) + jsonBytes, err := json.Marshal(r.Data) + if err != nil { + return err + } + // if the jsonBytes is array values + if bytes.HasPrefix(jsonBytes, []byte("[")) && bytes.HasSuffix(jsonBytes, []byte("]")) { + w.Write([]byte(r.Prefix)) + } + w.Write(jsonBytes) + return nil +} + +func (r SecureJSON) WriteContentType(w http.ResponseWriter) { + writeContentType(w, jsonContentType) +} + +func (r JsonpJSON) Render(w http.ResponseWriter) (err error) { + r.WriteContentType(w) + ret, err := json.Marshal(r.Data) + if err != nil { + return err + } + + if r.Callback == "" { + w.Write(ret) + return nil + } + + callback := template.JSEscapeString(r.Callback) + w.Write([]byte(callback)) + w.Write([]byte("(")) + w.Write(ret) + w.Write([]byte(")")) + + return nil +} + +func (r JsonpJSON) WriteContentType(w http.ResponseWriter) { + writeContentType(w, jsonpContentType) +} + +func (r AsciiJSON) Render(w http.ResponseWriter) (err error) { + r.WriteContentType(w) + ret, err := json.Marshal(r.Data) + if err != nil { + return err + } + + var buffer bytes.Buffer + for _, r := range string(ret) { + cvt := "" + if r < 128 { + cvt = string(r) + } else { + cvt = fmt.Sprintf("\\u%04x", int64(r)) + } + buffer.WriteString(cvt) + } + + w.Write(buffer.Bytes()) + return nil +} + +func (r AsciiJSON) WriteContentType(w http.ResponseWriter) { + writeContentType(w, jsonAsciiContentType) +} diff --git a/vendor/github.com/gin-gonic/gin/render/msgpack.go b/vendor/github.com/gin-gonic/gin/render/msgpack.go new file mode 100644 index 0000000..e6c13e5 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/msgpack.go @@ -0,0 +1,31 @@ +// Copyright 2017 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import ( + "net/http" + + "github.com/ugorji/go/codec" +) + +type MsgPack struct { + Data interface{} +} + +var msgpackContentType = []string{"application/msgpack; charset=utf-8"} + +func (r MsgPack) WriteContentType(w http.ResponseWriter) { + writeContentType(w, msgpackContentType) +} + +func (r MsgPack) Render(w http.ResponseWriter) error { + return WriteMsgPack(w, r.Data) +} + +func WriteMsgPack(w http.ResponseWriter, obj interface{}) error { + writeContentType(w, msgpackContentType) + var h codec.Handle = new(codec.MsgpackHandle) + return codec.NewEncoder(w, h).Encode(obj) +} diff --git a/vendor/github.com/gin-gonic/gin/render/reader.go b/vendor/github.com/gin-gonic/gin/render/reader.go new file mode 100644 index 0000000..be2132c --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/reader.go @@ -0,0 +1,36 @@ +package render + +import ( + "io" + "net/http" + "strconv" +) + +type Reader struct { + ContentType string + ContentLength int64 + Reader io.Reader + Headers map[string]string +} + +// Render (Reader) writes data with custom ContentType and headers. +func (r Reader) Render(w http.ResponseWriter) (err error) { + r.WriteContentType(w) + r.Headers["Content-Length"] = strconv.FormatInt(r.ContentLength, 10) + r.writeHeaders(w, r.Headers) + _, err = io.Copy(w, r.Reader) + return +} + +func (r Reader) WriteContentType(w http.ResponseWriter) { + writeContentType(w, []string{r.ContentType}) +} + +func (r Reader) writeHeaders(w http.ResponseWriter, headers map[string]string) { + header := w.Header() + for k, v := range headers { + if val := header[k]; len(val) == 0 { + header[k] = []string{v} + } + } +} diff --git a/vendor/github.com/gin-gonic/gin/render/redirect.go b/vendor/github.com/gin-gonic/gin/render/redirect.go new file mode 100644 index 0000000..a0634f5 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/redirect.go @@ -0,0 +1,28 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import ( + "fmt" + "net/http" +) + +type Redirect struct { + Code int + Request *http.Request + Location string +} + +func (r Redirect) Render(w http.ResponseWriter) error { + // todo(thinkerou): go1.6 not support StatusPermanentRedirect(308) + // when we upgrade go version we can use http.StatusPermanentRedirect + if (r.Code < 300 || r.Code > 308) && r.Code != 201 { + panic(fmt.Sprintf("Cannot redirect with status code %d", r.Code)) + } + http.Redirect(w, r.Request, r.Location, r.Code) + return nil +} + +func (r Redirect) WriteContentType(http.ResponseWriter) {} diff --git a/vendor/github.com/gin-gonic/gin/render/render.go b/vendor/github.com/gin-gonic/gin/render/render.go new file mode 100755 index 0000000..4ff1c7b --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/render.go @@ -0,0 +1,37 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import "net/http" + +type Render interface { + Render(http.ResponseWriter) error + WriteContentType(w http.ResponseWriter) +} + +var ( + _ Render = JSON{} + _ Render = IndentedJSON{} + _ Render = SecureJSON{} + _ Render = JsonpJSON{} + _ Render = XML{} + _ Render = String{} + _ Render = Redirect{} + _ Render = Data{} + _ Render = HTML{} + _ HTMLRender = HTMLDebug{} + _ HTMLRender = HTMLProduction{} + _ Render = YAML{} + _ Render = MsgPack{} + _ Render = Reader{} + _ Render = AsciiJSON{} +) + +func writeContentType(w http.ResponseWriter, value []string) { + header := w.Header() + if val := header["Content-Type"]; len(val) == 0 { + header["Content-Type"] = value + } +} diff --git a/vendor/github.com/gin-gonic/gin/render/text.go b/vendor/github.com/gin-gonic/gin/render/text.go new file mode 100644 index 0000000..74cd26b --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/text.go @@ -0,0 +1,36 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import ( + "fmt" + "io" + "net/http" +) + +type String struct { + Format string + Data []interface{} +} + +var plainContentType = []string{"text/plain; charset=utf-8"} + +func (r String) Render(w http.ResponseWriter) error { + WriteString(w, r.Format, r.Data) + return nil +} + +func (r String) WriteContentType(w http.ResponseWriter) { + writeContentType(w, plainContentType) +} + +func WriteString(w http.ResponseWriter, format string, data []interface{}) { + writeContentType(w, plainContentType) + if len(data) > 0 { + fmt.Fprintf(w, format, data...) + } else { + io.WriteString(w, format) + } +} diff --git a/vendor/github.com/gin-gonic/gin/render/xml.go b/vendor/github.com/gin-gonic/gin/render/xml.go new file mode 100644 index 0000000..cff1ac3 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/xml.go @@ -0,0 +1,25 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import ( + "encoding/xml" + "net/http" +) + +type XML struct { + Data interface{} +} + +var xmlContentType = []string{"application/xml; charset=utf-8"} + +func (r XML) Render(w http.ResponseWriter) error { + r.WriteContentType(w) + return xml.NewEncoder(w).Encode(r.Data) +} + +func (r XML) WriteContentType(w http.ResponseWriter) { + writeContentType(w, xmlContentType) +} diff --git a/vendor/github.com/gin-gonic/gin/render/yaml.go b/vendor/github.com/gin-gonic/gin/render/yaml.go new file mode 100644 index 0000000..25d0ebd --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/yaml.go @@ -0,0 +1,33 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package render + +import ( + "net/http" + + "gopkg.in/yaml.v2" +) + +type YAML struct { + Data interface{} +} + +var yamlContentType = []string{"application/x-yaml; charset=utf-8"} + +func (r YAML) Render(w http.ResponseWriter) error { + r.WriteContentType(w) + + bytes, err := yaml.Marshal(r.Data) + if err != nil { + return err + } + + w.Write(bytes) + return nil +} + +func (r YAML) WriteContentType(w http.ResponseWriter) { + writeContentType(w, yamlContentType) +} diff --git a/vendor/github.com/gin-gonic/gin/response_writer.go b/vendor/github.com/gin-gonic/gin/response_writer.go new file mode 100644 index 0000000..923b53f --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/response_writer.go @@ -0,0 +1,115 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "bufio" + "io" + "net" + "net/http" +) + +const ( + noWritten = -1 + defaultStatus = http.StatusOK +) + +type responseWriterBase interface { + http.ResponseWriter + http.Hijacker + http.Flusher + http.CloseNotifier + + // Returns the HTTP response status code of the current request. + Status() int + + // Returns the number of bytes already written into the response http body. + // See Written() + Size() int + + // Writes the string into the response body. + WriteString(string) (int, error) + + // Returns true if the response body was already written. + Written() bool + + // Forces to write the http header (status code + headers). + WriteHeaderNow() +} + +type responseWriter struct { + http.ResponseWriter + size int + status int +} + +var _ ResponseWriter = &responseWriter{} + +func (w *responseWriter) reset(writer http.ResponseWriter) { + w.ResponseWriter = writer + w.size = noWritten + w.status = defaultStatus +} + +func (w *responseWriter) WriteHeader(code int) { + if code > 0 && w.status != code { + if w.Written() { + debugPrint("[WARNING] Headers were already written. Wanted to override status code %d with %d", w.status, code) + } + w.status = code + } +} + +func (w *responseWriter) WriteHeaderNow() { + if !w.Written() { + w.size = 0 + w.ResponseWriter.WriteHeader(w.status) + } +} + +func (w *responseWriter) Write(data []byte) (n int, err error) { + w.WriteHeaderNow() + n, err = w.ResponseWriter.Write(data) + w.size += n + return +} + +func (w *responseWriter) WriteString(s string) (n int, err error) { + w.WriteHeaderNow() + n, err = io.WriteString(w.ResponseWriter, s) + w.size += n + return +} + +func (w *responseWriter) Status() int { + return w.status +} + +func (w *responseWriter) Size() int { + return w.size +} + +func (w *responseWriter) Written() bool { + return w.size != noWritten +} + +// Hijack implements the http.Hijacker interface. +func (w *responseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) { + if w.size < 0 { + w.size = 0 + } + return w.ResponseWriter.(http.Hijacker).Hijack() +} + +// CloseNotify implements the http.CloseNotify interface. +func (w *responseWriter) CloseNotify() <-chan bool { + return w.ResponseWriter.(http.CloseNotifier).CloseNotify() +} + +// Flush implements the http.Flush interface. +func (w *responseWriter) Flush() { + w.WriteHeaderNow() + w.ResponseWriter.(http.Flusher).Flush() +} diff --git a/vendor/github.com/gin-gonic/gin/response_writer_1.7.go b/vendor/github.com/gin-gonic/gin/response_writer_1.7.go new file mode 100644 index 0000000..801d196 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/response_writer_1.7.go @@ -0,0 +1,12 @@ +// +build !go1.8 + +// Copyright 2018 Gin Core Team. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +// ResponseWriter ... +type ResponseWriter interface { + responseWriterBase +} diff --git a/vendor/github.com/gin-gonic/gin/response_writer_1.8.go b/vendor/github.com/gin-gonic/gin/response_writer_1.8.go new file mode 100644 index 0000000..527c003 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/response_writer_1.8.go @@ -0,0 +1,25 @@ +// +build go1.8 + +// Copyright 2018 Gin Core Team. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "net/http" +) + +// ResponseWriter ... +type ResponseWriter interface { + responseWriterBase + // get the http.Pusher for server push + Pusher() http.Pusher +} + +func (w *responseWriter) Pusher() (pusher http.Pusher) { + if pusher, ok := w.ResponseWriter.(http.Pusher); ok { + return pusher + } + return nil +} diff --git a/vendor/github.com/gin-gonic/gin/routergroup.go b/vendor/github.com/gin-gonic/gin/routergroup.go new file mode 100644 index 0000000..876a61b --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/routergroup.go @@ -0,0 +1,213 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "net/http" + "path" + "regexp" + "strings" +) + +type IRouter interface { + IRoutes + Group(string, ...HandlerFunc) *RouterGroup +} + +type IRoutes interface { + Use(...HandlerFunc) IRoutes + + Handle(string, string, ...HandlerFunc) IRoutes + Any(string, ...HandlerFunc) IRoutes + GET(string, ...HandlerFunc) IRoutes + POST(string, ...HandlerFunc) IRoutes + DELETE(string, ...HandlerFunc) IRoutes + PATCH(string, ...HandlerFunc) IRoutes + PUT(string, ...HandlerFunc) IRoutes + OPTIONS(string, ...HandlerFunc) IRoutes + HEAD(string, ...HandlerFunc) IRoutes + + StaticFile(string, string) IRoutes + Static(string, string) IRoutes + StaticFS(string, http.FileSystem) IRoutes +} + +// RouterGroup is used internally to configure router, a RouterGroup is associated with a prefix +// and an array of handlers (middleware). +type RouterGroup struct { + Handlers HandlersChain + basePath string + engine *Engine + root bool +} + +var _ IRouter = &RouterGroup{} + +// Use adds middleware to the group, see example code in github. +func (group *RouterGroup) Use(middleware ...HandlerFunc) IRoutes { + group.Handlers = append(group.Handlers, middleware...) + return group.returnObj() +} + +// Group creates a new router group. You should add all the routes that have common middlwares or the same path prefix. +// For example, all the routes that use a common middlware for authorization could be grouped. +func (group *RouterGroup) Group(relativePath string, handlers ...HandlerFunc) *RouterGroup { + return &RouterGroup{ + Handlers: group.combineHandlers(handlers), + basePath: group.calculateAbsolutePath(relativePath), + engine: group.engine, + } +} + +func (group *RouterGroup) BasePath() string { + return group.basePath +} + +func (group *RouterGroup) handle(httpMethod, relativePath string, handlers HandlersChain) IRoutes { + absolutePath := group.calculateAbsolutePath(relativePath) + handlers = group.combineHandlers(handlers) + group.engine.addRoute(httpMethod, absolutePath, handlers) + return group.returnObj() +} + +// Handle registers a new request handle and middleware with the given path and method. +// The last handler should be the real handler, the other ones should be middleware that can and should be shared among different routes. +// See the example code in github. +// +// For GET, POST, PUT, PATCH and DELETE requests the respective shortcut +// functions can be used. +// +// This function is intended for bulk loading and to allow the usage of less +// frequently used, non-standardized or custom methods (e.g. for internal +// communication with a proxy). +func (group *RouterGroup) Handle(httpMethod, relativePath string, handlers ...HandlerFunc) IRoutes { + if matches, err := regexp.MatchString("^[A-Z]+$", httpMethod); !matches || err != nil { + panic("http method " + httpMethod + " is not valid") + } + return group.handle(httpMethod, relativePath, handlers) +} + +// POST is a shortcut for router.Handle("POST", path, handle). +func (group *RouterGroup) POST(relativePath string, handlers ...HandlerFunc) IRoutes { + return group.handle("POST", relativePath, handlers) +} + +// GET is a shortcut for router.Handle("GET", path, handle). +func (group *RouterGroup) GET(relativePath string, handlers ...HandlerFunc) IRoutes { + return group.handle("GET", relativePath, handlers) +} + +// DELETE is a shortcut for router.Handle("DELETE", path, handle). +func (group *RouterGroup) DELETE(relativePath string, handlers ...HandlerFunc) IRoutes { + return group.handle("DELETE", relativePath, handlers) +} + +// PATCH is a shortcut for router.Handle("PATCH", path, handle). +func (group *RouterGroup) PATCH(relativePath string, handlers ...HandlerFunc) IRoutes { + return group.handle("PATCH", relativePath, handlers) +} + +// PUT is a shortcut for router.Handle("PUT", path, handle). +func (group *RouterGroup) PUT(relativePath string, handlers ...HandlerFunc) IRoutes { + return group.handle("PUT", relativePath, handlers) +} + +// OPTIONS is a shortcut for router.Handle("OPTIONS", path, handle). +func (group *RouterGroup) OPTIONS(relativePath string, handlers ...HandlerFunc) IRoutes { + return group.handle("OPTIONS", relativePath, handlers) +} + +// HEAD is a shortcut for router.Handle("HEAD", path, handle). +func (group *RouterGroup) HEAD(relativePath string, handlers ...HandlerFunc) IRoutes { + return group.handle("HEAD", relativePath, handlers) +} + +// Any registers a route that matches all the HTTP methods. +// GET, POST, PUT, PATCH, HEAD, OPTIONS, DELETE, CONNECT, TRACE. +func (group *RouterGroup) Any(relativePath string, handlers ...HandlerFunc) IRoutes { + group.handle("GET", relativePath, handlers) + group.handle("POST", relativePath, handlers) + group.handle("PUT", relativePath, handlers) + group.handle("PATCH", relativePath, handlers) + group.handle("HEAD", relativePath, handlers) + group.handle("OPTIONS", relativePath, handlers) + group.handle("DELETE", relativePath, handlers) + group.handle("CONNECT", relativePath, handlers) + group.handle("TRACE", relativePath, handlers) + return group.returnObj() +} + +// StaticFile registers a single route in order to serve a single file of the local filesystem. +// router.StaticFile("favicon.ico", "./resources/favicon.ico") +func (group *RouterGroup) StaticFile(relativePath, filepath string) IRoutes { + if strings.Contains(relativePath, ":") || strings.Contains(relativePath, "*") { + panic("URL parameters can not be used when serving a static file") + } + handler := func(c *Context) { + c.File(filepath) + } + group.GET(relativePath, handler) + group.HEAD(relativePath, handler) + return group.returnObj() +} + +// Static serves files from the given file system root. +// Internally a http.FileServer is used, therefore http.NotFound is used instead +// of the Router's NotFound handler. +// To use the operating system's file system implementation, +// use : +// router.Static("/static", "/var/www") +func (group *RouterGroup) Static(relativePath, root string) IRoutes { + return group.StaticFS(relativePath, Dir(root, false)) +} + +// StaticFS works just like `Static()` but a custom `http.FileSystem` can be used instead. +// Gin by default user: gin.Dir() +func (group *RouterGroup) StaticFS(relativePath string, fs http.FileSystem) IRoutes { + if strings.Contains(relativePath, ":") || strings.Contains(relativePath, "*") { + panic("URL parameters can not be used when serving a static folder") + } + handler := group.createStaticHandler(relativePath, fs) + urlPattern := path.Join(relativePath, "/*filepath") + + // Register GET and HEAD handlers + group.GET(urlPattern, handler) + group.HEAD(urlPattern, handler) + return group.returnObj() +} + +func (group *RouterGroup) createStaticHandler(relativePath string, fs http.FileSystem) HandlerFunc { + absolutePath := group.calculateAbsolutePath(relativePath) + fileServer := http.StripPrefix(absolutePath, http.FileServer(fs)) + _, nolisting := fs.(*onlyfilesFS) + return func(c *Context) { + if nolisting { + c.Writer.WriteHeader(http.StatusNotFound) + } + fileServer.ServeHTTP(c.Writer, c.Request) + } +} + +func (group *RouterGroup) combineHandlers(handlers HandlersChain) HandlersChain { + finalSize := len(group.Handlers) + len(handlers) + if finalSize >= int(abortIndex) { + panic("too many handlers") + } + mergedHandlers := make(HandlersChain, finalSize) + copy(mergedHandlers, group.Handlers) + copy(mergedHandlers[len(group.Handlers):], handlers) + return mergedHandlers +} + +func (group *RouterGroup) calculateAbsolutePath(relativePath string) string { + return joinPaths(group.basePath, relativePath) +} + +func (group *RouterGroup) returnObj() IRoutes { + if group.root { + return group.engine + } + return group +} diff --git a/vendor/github.com/gin-gonic/gin/test_helpers.go b/vendor/github.com/gin-gonic/gin/test_helpers.go new file mode 100644 index 0000000..3a7a5dd --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/test_helpers.go @@ -0,0 +1,16 @@ +// Copyright 2017 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import "net/http" + +// CreateTestContext returns a fresh engine and context for testing purposes +func CreateTestContext(w http.ResponseWriter) (c *Context, r *Engine) { + r = New() + c = r.allocateContext() + c.reset() + c.writermem.reset(w) + return +} diff --git a/vendor/github.com/gin-gonic/gin/tree.go b/vendor/github.com/gin-gonic/gin/tree.go new file mode 100644 index 0000000..b653066 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/tree.go @@ -0,0 +1,620 @@ +// Copyright 2013 Julien Schmidt. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be found +// at https://github.com/julienschmidt/httprouter/blob/master/LICENSE + +package gin + +import ( + "net/url" + "strings" + "unicode" +) + +// Param is a single URL parameter, consisting of a key and a value. +type Param struct { + Key string + Value string +} + +// Params is a Param-slice, as returned by the router. +// The slice is ordered, the first URL parameter is also the first slice value. +// It is therefore safe to read values by the index. +type Params []Param + +// Get returns the value of the first Param which key matches the given name. +// If no matching Param is found, an empty string is returned. +func (ps Params) Get(name string) (string, bool) { + for _, entry := range ps { + if entry.Key == name { + return entry.Value, true + } + } + return "", false +} + +// ByName returns the value of the first Param which key matches the given name. +// If no matching Param is found, an empty string is returned. +func (ps Params) ByName(name string) (va string) { + va, _ = ps.Get(name) + return +} + +type methodTree struct { + method string + root *node +} + +type methodTrees []methodTree + +func (trees methodTrees) get(method string) *node { + for _, tree := range trees { + if tree.method == method { + return tree.root + } + } + return nil +} + +func min(a, b int) int { + if a <= b { + return a + } + return b +} + +func countParams(path string) uint8 { + var n uint + for i := 0; i < len(path); i++ { + if path[i] != ':' && path[i] != '*' { + continue + } + n++ + } + if n >= 255 { + return 255 + } + return uint8(n) +} + +type nodeType uint8 + +const ( + static nodeType = iota // default + root + param + catchAll +) + +type node struct { + path string + indices string + children []*node + handlers HandlersChain + priority uint32 + nType nodeType + maxParams uint8 + wildChild bool +} + +// increments priority of the given child and reorders if necessary. +func (n *node) incrementChildPrio(pos int) int { + n.children[pos].priority++ + prio := n.children[pos].priority + + // adjust position (move to front) + newPos := pos + for newPos > 0 && n.children[newPos-1].priority < prio { + // swap node positions + n.children[newPos-1], n.children[newPos] = n.children[newPos], n.children[newPos-1] + + newPos-- + } + + // build new index char string + if newPos != pos { + n.indices = n.indices[:newPos] + // unchanged prefix, might be empty + n.indices[pos:pos+1] + // the index char we move + n.indices[newPos:pos] + n.indices[pos+1:] // rest without char at 'pos' + } + + return newPos +} + +// addRoute adds a node with the given handle to the path. +// Not concurrency-safe! +func (n *node) addRoute(path string, handlers HandlersChain) { + fullPath := path + n.priority++ + numParams := countParams(path) + + // non-empty tree + if len(n.path) > 0 || len(n.children) > 0 { + walk: + for { + // Update maxParams of the current node + if numParams > n.maxParams { + n.maxParams = numParams + } + + // Find the longest common prefix. + // This also implies that the common prefix contains no ':' or '*' + // since the existing key can't contain those chars. + i := 0 + max := min(len(path), len(n.path)) + for i < max && path[i] == n.path[i] { + i++ + } + + // Split edge + if i < len(n.path) { + child := node{ + path: n.path[i:], + wildChild: n.wildChild, + indices: n.indices, + children: n.children, + handlers: n.handlers, + priority: n.priority - 1, + } + + // Update maxParams (max of all children) + for i := range child.children { + if child.children[i].maxParams > child.maxParams { + child.maxParams = child.children[i].maxParams + } + } + + n.children = []*node{&child} + // []byte for proper unicode char conversion, see #65 + n.indices = string([]byte{n.path[i]}) + n.path = path[:i] + n.handlers = nil + n.wildChild = false + } + + // Make new node a child of this node + if i < len(path) { + path = path[i:] + + if n.wildChild { + n = n.children[0] + n.priority++ + + // Update maxParams of the child node + if numParams > n.maxParams { + n.maxParams = numParams + } + numParams-- + + // Check if the wildcard matches + if len(path) >= len(n.path) && n.path == path[:len(n.path)] { + // check for longer wildcard, e.g. :name and :names + if len(n.path) >= len(path) || path[len(n.path)] == '/' { + continue walk + } + } + + panic("path segment '" + path + + "' conflicts with existing wildcard '" + n.path + + "' in path '" + fullPath + "'") + } + + c := path[0] + + // slash after param + if n.nType == param && c == '/' && len(n.children) == 1 { + n = n.children[0] + n.priority++ + continue walk + } + + // Check if a child with the next path byte exists + for i := 0; i < len(n.indices); i++ { + if c == n.indices[i] { + i = n.incrementChildPrio(i) + n = n.children[i] + continue walk + } + } + + // Otherwise insert it + if c != ':' && c != '*' { + // []byte for proper unicode char conversion, see #65 + n.indices += string([]byte{c}) + child := &node{ + maxParams: numParams, + } + n.children = append(n.children, child) + n.incrementChildPrio(len(n.indices) - 1) + n = child + } + n.insertChild(numParams, path, fullPath, handlers) + return + + } else if i == len(path) { // Make node a (in-path) leaf + if n.handlers != nil { + panic("handlers are already registered for path '" + fullPath + "'") + } + n.handlers = handlers + } + return + } + } else { // Empty tree + n.insertChild(numParams, path, fullPath, handlers) + n.nType = root + } +} + +func (n *node) insertChild(numParams uint8, path string, fullPath string, handlers HandlersChain) { + var offset int // already handled bytes of the path + + // find prefix until first wildcard (beginning with ':' or '*') + for i, max := 0, len(path); numParams > 0; i++ { + c := path[i] + if c != ':' && c != '*' { + continue + } + + // find wildcard end (either '/' or path end) + end := i + 1 + for end < max && path[end] != '/' { + switch path[end] { + // the wildcard name must not contain ':' and '*' + case ':', '*': + panic("only one wildcard per path segment is allowed, has: '" + + path[i:] + "' in path '" + fullPath + "'") + default: + end++ + } + } + + // check if this Node existing children which would be + // unreachable if we insert the wildcard here + if len(n.children) > 0 { + panic("wildcard route '" + path[i:end] + + "' conflicts with existing children in path '" + fullPath + "'") + } + + // check if the wildcard has a name + if end-i < 2 { + panic("wildcards must be named with a non-empty name in path '" + fullPath + "'") + } + + if c == ':' { // param + // split path at the beginning of the wildcard + if i > 0 { + n.path = path[offset:i] + offset = i + } + + child := &node{ + nType: param, + maxParams: numParams, + } + n.children = []*node{child} + n.wildChild = true + n = child + n.priority++ + numParams-- + + // if the path doesn't end with the wildcard, then there + // will be another non-wildcard subpath starting with '/' + if end < max { + n.path = path[offset:end] + offset = end + + child := &node{ + maxParams: numParams, + priority: 1, + } + n.children = []*node{child} + n = child + } + + } else { // catchAll + if end != max || numParams > 1 { + panic("catch-all routes are only allowed at the end of the path in path '" + fullPath + "'") + } + + if len(n.path) > 0 && n.path[len(n.path)-1] == '/' { + panic("catch-all conflicts with existing handle for the path segment root in path '" + fullPath + "'") + } + + // currently fixed width 1 for '/' + i-- + if path[i] != '/' { + panic("no / before catch-all in path '" + fullPath + "'") + } + + n.path = path[offset:i] + + // first node: catchAll node with empty path + child := &node{ + wildChild: true, + nType: catchAll, + maxParams: 1, + } + n.children = []*node{child} + n.indices = string(path[i]) + n = child + n.priority++ + + // second node: node holding the variable + child = &node{ + path: path[i:], + nType: catchAll, + maxParams: 1, + handlers: handlers, + priority: 1, + } + n.children = []*node{child} + + return + } + } + + // insert remaining path part and handle to the leaf + n.path = path[offset:] + n.handlers = handlers +} + +// getValue returns the handle registered with the given path (key). The values of +// wildcards are saved to a map. +// If no handle can be found, a TSR (trailing slash redirect) recommendation is +// made if a handle exists with an extra (without the) trailing slash for the +// given path. +func (n *node) getValue(path string, po Params, unescape bool) (handlers HandlersChain, p Params, tsr bool) { + p = po +walk: // Outer loop for walking the tree + for { + if len(path) > len(n.path) { + if path[:len(n.path)] == n.path { + path = path[len(n.path):] + // If this node does not have a wildcard (param or catchAll) + // child, we can just look up the next child node and continue + // to walk down the tree + if !n.wildChild { + c := path[0] + for i := 0; i < len(n.indices); i++ { + if c == n.indices[i] { + n = n.children[i] + continue walk + } + } + + // Nothing found. + // We can recommend to redirect to the same URL without a + // trailing slash if a leaf exists for that path. + tsr = path == "/" && n.handlers != nil + return + } + + // handle wildcard child + n = n.children[0] + switch n.nType { + case param: + // find param end (either '/' or path end) + end := 0 + for end < len(path) && path[end] != '/' { + end++ + } + + // save param value + if cap(p) < int(n.maxParams) { + p = make(Params, 0, n.maxParams) + } + i := len(p) + p = p[:i+1] // expand slice within preallocated capacity + p[i].Key = n.path[1:] + val := path[:end] + if unescape { + var err error + if p[i].Value, err = url.QueryUnescape(val); err != nil { + p[i].Value = val // fallback, in case of error + } + } else { + p[i].Value = val + } + + // we need to go deeper! + if end < len(path) { + if len(n.children) > 0 { + path = path[end:] + n = n.children[0] + continue walk + } + + // ... but we can't + tsr = len(path) == end+1 + return + } + + if handlers = n.handlers; handlers != nil { + return + } + if len(n.children) == 1 { + // No handle found. Check if a handle for this path + a + // trailing slash exists for TSR recommendation + n = n.children[0] + tsr = n.path == "/" && n.handlers != nil + } + + return + + case catchAll: + // save param value + if cap(p) < int(n.maxParams) { + p = make(Params, 0, n.maxParams) + } + i := len(p) + p = p[:i+1] // expand slice within preallocated capacity + p[i].Key = n.path[2:] + if unescape { + var err error + if p[i].Value, err = url.QueryUnescape(path); err != nil { + p[i].Value = path // fallback, in case of error + } + } else { + p[i].Value = path + } + + handlers = n.handlers + return + + default: + panic("invalid node type") + } + } + } else if path == n.path { + // We should have reached the node containing the handle. + // Check if this node has a handle registered. + if handlers = n.handlers; handlers != nil { + return + } + + if path == "/" && n.wildChild && n.nType != root { + tsr = true + return + } + + // No handle found. Check if a handle for this path + a + // trailing slash exists for trailing slash recommendation + for i := 0; i < len(n.indices); i++ { + if n.indices[i] == '/' { + n = n.children[i] + tsr = (len(n.path) == 1 && n.handlers != nil) || + (n.nType == catchAll && n.children[0].handlers != nil) + return + } + } + + return + } + + // Nothing found. We can recommend to redirect to the same URL with an + // extra trailing slash if a leaf exists for that path + tsr = (path == "/") || + (len(n.path) == len(path)+1 && n.path[len(path)] == '/' && + path == n.path[:len(n.path)-1] && n.handlers != nil) + return + } +} + +// findCaseInsensitivePath makes a case-insensitive lookup of the given path and tries to find a handler. +// It can optionally also fix trailing slashes. +// It returns the case-corrected path and a bool indicating whether the lookup +// was successful. +func (n *node) findCaseInsensitivePath(path string, fixTrailingSlash bool) (ciPath []byte, found bool) { + ciPath = make([]byte, 0, len(path)+1) // preallocate enough memory + + // Outer loop for walking the tree + for len(path) >= len(n.path) && strings.ToLower(path[:len(n.path)]) == strings.ToLower(n.path) { + path = path[len(n.path):] + ciPath = append(ciPath, n.path...) + + if len(path) > 0 { + // If this node does not have a wildcard (param or catchAll) child, + // we can just look up the next child node and continue to walk down + // the tree + if !n.wildChild { + r := unicode.ToLower(rune(path[0])) + for i, index := range n.indices { + // must use recursive approach since both index and + // ToLower(index) could exist. We must check both. + if r == unicode.ToLower(index) { + out, found := n.children[i].findCaseInsensitivePath(path, fixTrailingSlash) + if found { + return append(ciPath, out...), true + } + } + } + + // Nothing found. We can recommend to redirect to the same URL + // without a trailing slash if a leaf exists for that path + found = fixTrailingSlash && path == "/" && n.handlers != nil + return + } + + n = n.children[0] + switch n.nType { + case param: + // find param end (either '/' or path end) + k := 0 + for k < len(path) && path[k] != '/' { + k++ + } + + // add param value to case insensitive path + ciPath = append(ciPath, path[:k]...) + + // we need to go deeper! + if k < len(path) { + if len(n.children) > 0 { + path = path[k:] + n = n.children[0] + continue + } + + // ... but we can't + if fixTrailingSlash && len(path) == k+1 { + return ciPath, true + } + return + } + + if n.handlers != nil { + return ciPath, true + } else if fixTrailingSlash && len(n.children) == 1 { + // No handle found. Check if a handle for this path + a + // trailing slash exists + n = n.children[0] + if n.path == "/" && n.handlers != nil { + return append(ciPath, '/'), true + } + } + return + + case catchAll: + return append(ciPath, path...), true + + default: + panic("invalid node type") + } + } else { + // We should have reached the node containing the handle. + // Check if this node has a handle registered. + if n.handlers != nil { + return ciPath, true + } + + // No handle found. + // Try to fix the path by adding a trailing slash + if fixTrailingSlash { + for i := 0; i < len(n.indices); i++ { + if n.indices[i] == '/' { + n = n.children[i] + if (len(n.path) == 1 && n.handlers != nil) || + (n.nType == catchAll && n.children[0].handlers != nil) { + return append(ciPath, '/'), true + } + return + } + } + } + return + } + } + + // Nothing found. + // Try to fix the path by adding / removing a trailing slash + if fixTrailingSlash { + if path == "/" { + return ciPath, true + } + if len(path)+1 == len(n.path) && n.path[len(path)] == '/' && + strings.ToLower(path) == strings.ToLower(n.path[:len(path)]) && + n.handlers != nil { + return append(ciPath, n.path...), true + } + } + return +} diff --git a/vendor/github.com/gin-gonic/gin/utils.go b/vendor/github.com/gin-gonic/gin/utils.go new file mode 100644 index 0000000..bf32c77 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/utils.go @@ -0,0 +1,151 @@ +// Copyright 2014 Manu Martinez-Almeida. All rights reserved. +// Use of this source code is governed by a MIT style +// license that can be found in the LICENSE file. + +package gin + +import ( + "encoding/xml" + "net/http" + "os" + "path" + "reflect" + "runtime" + "strings" +) + +const BindKey = "_gin-gonic/gin/bindkey" + +func Bind(val interface{}) HandlerFunc { + value := reflect.ValueOf(val) + if value.Kind() == reflect.Ptr { + panic(`Bind struct can not be a pointer. Example: + Use: gin.Bind(Struct{}) instead of gin.Bind(&Struct{}) +`) + } + typ := value.Type() + + return func(c *Context) { + obj := reflect.New(typ).Interface() + if c.Bind(obj) == nil { + c.Set(BindKey, obj) + } + } +} + +// WrapF is a helper function for wrapping http.HandlerFunc +// Returns a Gin middleware +func WrapF(f http.HandlerFunc) HandlerFunc { + return func(c *Context) { + f(c.Writer, c.Request) + } +} + +// WrapH is a helper function for wrapping http.Handler +// Returns a Gin middleware +func WrapH(h http.Handler) HandlerFunc { + return func(c *Context) { + h.ServeHTTP(c.Writer, c.Request) + } +} + +// H is a shortcut for map[string]interface{} +type H map[string]interface{} + +// MarshalXML allows type H to be used with xml.Marshal. +func (h H) MarshalXML(e *xml.Encoder, start xml.StartElement) error { + start.Name = xml.Name{ + Space: "", + Local: "map", + } + if err := e.EncodeToken(start); err != nil { + return err + } + for key, value := range h { + elem := xml.StartElement{ + Name: xml.Name{Space: "", Local: key}, + Attr: []xml.Attr{}, + } + if err := e.EncodeElement(value, elem); err != nil { + return err + } + } + + return e.EncodeToken(xml.EndElement{Name: start.Name}) +} + +func assert1(guard bool, text string) { + if !guard { + panic(text) + } +} + +func filterFlags(content string) string { + for i, char := range content { + if char == ' ' || char == ';' { + return content[:i] + } + } + return content +} + +func chooseData(custom, wildcard interface{}) interface{} { + if custom == nil { + if wildcard == nil { + panic("negotiation config is invalid") + } + return wildcard + } + return custom +} + +func parseAccept(acceptHeader string) []string { + parts := strings.Split(acceptHeader, ",") + out := make([]string, 0, len(parts)) + for _, part := range parts { + if part = strings.TrimSpace(strings.Split(part, ";")[0]); part != "" { + out = append(out, part) + } + } + return out +} + +func lastChar(str string) uint8 { + if str == "" { + panic("The length of the string can't be 0") + } + return str[len(str)-1] +} + +func nameOfFunction(f interface{}) string { + return runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name() +} + +func joinPaths(absolutePath, relativePath string) string { + if relativePath == "" { + return absolutePath + } + + finalPath := path.Join(absolutePath, relativePath) + appendSlash := lastChar(relativePath) == '/' && lastChar(finalPath) != '/' + if appendSlash { + return finalPath + "/" + } + return finalPath +} + +func resolveAddress(addr []string) string { + switch len(addr) { + case 0: + if port := os.Getenv("PORT"); port != "" { + debugPrint("Environment variable PORT=\"%s\"", port) + return ":" + port + } + debugPrint("Environment variable PORT is undefined. Using port :8080 by default") + return ":8080" + case 1: + return addr[0] + default: + panic("too much parameters") + } +} diff --git a/vendor/github.com/gin-gonic/gin/wercker.yml b/vendor/github.com/gin-gonic/gin/wercker.yml new file mode 100644 index 0000000..3ab8084 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/wercker.yml @@ -0,0 +1 @@ +box: wercker/default \ No newline at end of file diff --git a/vendor/github.com/golang/protobuf/AUTHORS b/vendor/github.com/golang/protobuf/AUTHORS new file mode 100644 index 0000000..15167cd --- /dev/null +++ b/vendor/github.com/golang/protobuf/AUTHORS @@ -0,0 +1,3 @@ +# This source code refers to The Go Authors for copyright purposes. +# The master list of authors is in the main Go distribution, +# visible at http://tip.golang.org/AUTHORS. diff --git a/vendor/github.com/golang/protobuf/CONTRIBUTORS b/vendor/github.com/golang/protobuf/CONTRIBUTORS new file mode 100644 index 0000000..1c4577e --- /dev/null +++ b/vendor/github.com/golang/protobuf/CONTRIBUTORS @@ -0,0 +1,3 @@ +# This source code was written by the Go contributors. +# The master list of contributors is in the main Go distribution, +# visible at http://tip.golang.org/CONTRIBUTORS. diff --git a/vendor/github.com/golang/protobuf/LICENSE b/vendor/github.com/golang/protobuf/LICENSE new file mode 100644 index 0000000..1b1b192 --- /dev/null +++ b/vendor/github.com/golang/protobuf/LICENSE @@ -0,0 +1,31 @@ +Go support for Protocol Buffers - Google's data interchange format + +Copyright 2010 The Go Authors. All rights reserved. +https://github.com/golang/protobuf + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + diff --git a/vendor/github.com/golang/protobuf/proto/Makefile b/vendor/github.com/golang/protobuf/proto/Makefile new file mode 100644 index 0000000..e2e0651 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/Makefile @@ -0,0 +1,43 @@ +# Go support for Protocol Buffers - Google's data interchange format +# +# Copyright 2010 The Go Authors. All rights reserved. +# https://github.com/golang/protobuf +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +install: + go install + +test: install generate-test-pbs + go test + + +generate-test-pbs: + make install + make -C testdata + protoc --go_out=Mtestdata/test.proto=github.com/golang/protobuf/proto/testdata,Mgoogle/protobuf/any.proto=github.com/golang/protobuf/ptypes/any:. proto3_proto/proto3.proto + make diff --git a/vendor/github.com/golang/protobuf/proto/clone.go b/vendor/github.com/golang/protobuf/proto/clone.go new file mode 100644 index 0000000..e392575 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/clone.go @@ -0,0 +1,229 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2011 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Protocol buffer deep copy and merge. +// TODO: RawMessage. + +package proto + +import ( + "log" + "reflect" + "strings" +) + +// Clone returns a deep copy of a protocol buffer. +func Clone(pb Message) Message { + in := reflect.ValueOf(pb) + if in.IsNil() { + return pb + } + + out := reflect.New(in.Type().Elem()) + // out is empty so a merge is a deep copy. + mergeStruct(out.Elem(), in.Elem()) + return out.Interface().(Message) +} + +// Merge merges src into dst. +// Required and optional fields that are set in src will be set to that value in dst. +// Elements of repeated fields will be appended. +// Merge panics if src and dst are not the same type, or if dst is nil. +func Merge(dst, src Message) { + in := reflect.ValueOf(src) + out := reflect.ValueOf(dst) + if out.IsNil() { + panic("proto: nil destination") + } + if in.Type() != out.Type() { + // Explicit test prior to mergeStruct so that mistyped nils will fail + panic("proto: type mismatch") + } + if in.IsNil() { + // Merging nil into non-nil is a quiet no-op + return + } + mergeStruct(out.Elem(), in.Elem()) +} + +func mergeStruct(out, in reflect.Value) { + sprop := GetProperties(in.Type()) + for i := 0; i < in.NumField(); i++ { + f := in.Type().Field(i) + if strings.HasPrefix(f.Name, "XXX_") { + continue + } + mergeAny(out.Field(i), in.Field(i), false, sprop.Prop[i]) + } + + if emIn, ok := extendable(in.Addr().Interface()); ok { + emOut, _ := extendable(out.Addr().Interface()) + mIn, muIn := emIn.extensionsRead() + if mIn != nil { + mOut := emOut.extensionsWrite() + muIn.Lock() + mergeExtension(mOut, mIn) + muIn.Unlock() + } + } + + uf := in.FieldByName("XXX_unrecognized") + if !uf.IsValid() { + return + } + uin := uf.Bytes() + if len(uin) > 0 { + out.FieldByName("XXX_unrecognized").SetBytes(append([]byte(nil), uin...)) + } +} + +// mergeAny performs a merge between two values of the same type. +// viaPtr indicates whether the values were indirected through a pointer (implying proto2). +// prop is set if this is a struct field (it may be nil). +func mergeAny(out, in reflect.Value, viaPtr bool, prop *Properties) { + if in.Type() == protoMessageType { + if !in.IsNil() { + if out.IsNil() { + out.Set(reflect.ValueOf(Clone(in.Interface().(Message)))) + } else { + Merge(out.Interface().(Message), in.Interface().(Message)) + } + } + return + } + switch in.Kind() { + case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64, + reflect.String, reflect.Uint32, reflect.Uint64: + if !viaPtr && isProto3Zero(in) { + return + } + out.Set(in) + case reflect.Interface: + // Probably a oneof field; copy non-nil values. + if in.IsNil() { + return + } + // Allocate destination if it is not set, or set to a different type. + // Otherwise we will merge as normal. + if out.IsNil() || out.Elem().Type() != in.Elem().Type() { + out.Set(reflect.New(in.Elem().Elem().Type())) // interface -> *T -> T -> new(T) + } + mergeAny(out.Elem(), in.Elem(), false, nil) + case reflect.Map: + if in.Len() == 0 { + return + } + if out.IsNil() { + out.Set(reflect.MakeMap(in.Type())) + } + // For maps with value types of *T or []byte we need to deep copy each value. + elemKind := in.Type().Elem().Kind() + for _, key := range in.MapKeys() { + var val reflect.Value + switch elemKind { + case reflect.Ptr: + val = reflect.New(in.Type().Elem().Elem()) + mergeAny(val, in.MapIndex(key), false, nil) + case reflect.Slice: + val = in.MapIndex(key) + val = reflect.ValueOf(append([]byte{}, val.Bytes()...)) + default: + val = in.MapIndex(key) + } + out.SetMapIndex(key, val) + } + case reflect.Ptr: + if in.IsNil() { + return + } + if out.IsNil() { + out.Set(reflect.New(in.Elem().Type())) + } + mergeAny(out.Elem(), in.Elem(), true, nil) + case reflect.Slice: + if in.IsNil() { + return + } + if in.Type().Elem().Kind() == reflect.Uint8 { + // []byte is a scalar bytes field, not a repeated field. + + // Edge case: if this is in a proto3 message, a zero length + // bytes field is considered the zero value, and should not + // be merged. + if prop != nil && prop.proto3 && in.Len() == 0 { + return + } + + // Make a deep copy. + // Append to []byte{} instead of []byte(nil) so that we never end up + // with a nil result. + out.SetBytes(append([]byte{}, in.Bytes()...)) + return + } + n := in.Len() + if out.IsNil() { + out.Set(reflect.MakeSlice(in.Type(), 0, n)) + } + switch in.Type().Elem().Kind() { + case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64, + reflect.String, reflect.Uint32, reflect.Uint64: + out.Set(reflect.AppendSlice(out, in)) + default: + for i := 0; i < n; i++ { + x := reflect.Indirect(reflect.New(in.Type().Elem())) + mergeAny(x, in.Index(i), false, nil) + out.Set(reflect.Append(out, x)) + } + } + case reflect.Struct: + mergeStruct(out, in) + default: + // unknown type, so not a protocol buffer + log.Printf("proto: don't know how to copy %v", in) + } +} + +func mergeExtension(out, in map[int32]Extension) { + for extNum, eIn := range in { + eOut := Extension{desc: eIn.desc} + if eIn.value != nil { + v := reflect.New(reflect.TypeOf(eIn.value)).Elem() + mergeAny(v, reflect.ValueOf(eIn.value), false, nil) + eOut.value = v.Interface() + } + if eIn.enc != nil { + eOut.enc = make([]byte, len(eIn.enc)) + copy(eOut.enc, eIn.enc) + } + + out[extNum] = eOut + } +} diff --git a/vendor/github.com/golang/protobuf/proto/decode.go b/vendor/github.com/golang/protobuf/proto/decode.go new file mode 100644 index 0000000..aa20729 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/decode.go @@ -0,0 +1,970 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2010 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +/* + * Routines for decoding protocol buffer data to construct in-memory representations. + */ + +import ( + "errors" + "fmt" + "io" + "os" + "reflect" +) + +// errOverflow is returned when an integer is too large to be represented. +var errOverflow = errors.New("proto: integer overflow") + +// ErrInternalBadWireType is returned by generated code when an incorrect +// wire type is encountered. It does not get returned to user code. +var ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof") + +// The fundamental decoders that interpret bytes on the wire. +// Those that take integer types all return uint64 and are +// therefore of type valueDecoder. + +// DecodeVarint reads a varint-encoded integer from the slice. +// It returns the integer and the number of bytes consumed, or +// zero if there is not enough. +// This is the format for the +// int32, int64, uint32, uint64, bool, and enum +// protocol buffer types. +func DecodeVarint(buf []byte) (x uint64, n int) { + for shift := uint(0); shift < 64; shift += 7 { + if n >= len(buf) { + return 0, 0 + } + b := uint64(buf[n]) + n++ + x |= (b & 0x7F) << shift + if (b & 0x80) == 0 { + return x, n + } + } + + // The number is too large to represent in a 64-bit value. + return 0, 0 +} + +func (p *Buffer) decodeVarintSlow() (x uint64, err error) { + i := p.index + l := len(p.buf) + + for shift := uint(0); shift < 64; shift += 7 { + if i >= l { + err = io.ErrUnexpectedEOF + return + } + b := p.buf[i] + i++ + x |= (uint64(b) & 0x7F) << shift + if b < 0x80 { + p.index = i + return + } + } + + // The number is too large to represent in a 64-bit value. + err = errOverflow + return +} + +// DecodeVarint reads a varint-encoded integer from the Buffer. +// This is the format for the +// int32, int64, uint32, uint64, bool, and enum +// protocol buffer types. +func (p *Buffer) DecodeVarint() (x uint64, err error) { + i := p.index + buf := p.buf + + if i >= len(buf) { + return 0, io.ErrUnexpectedEOF + } else if buf[i] < 0x80 { + p.index++ + return uint64(buf[i]), nil + } else if len(buf)-i < 10 { + return p.decodeVarintSlow() + } + + var b uint64 + // we already checked the first byte + x = uint64(buf[i]) - 0x80 + i++ + + b = uint64(buf[i]) + i++ + x += b << 7 + if b&0x80 == 0 { + goto done + } + x -= 0x80 << 7 + + b = uint64(buf[i]) + i++ + x += b << 14 + if b&0x80 == 0 { + goto done + } + x -= 0x80 << 14 + + b = uint64(buf[i]) + i++ + x += b << 21 + if b&0x80 == 0 { + goto done + } + x -= 0x80 << 21 + + b = uint64(buf[i]) + i++ + x += b << 28 + if b&0x80 == 0 { + goto done + } + x -= 0x80 << 28 + + b = uint64(buf[i]) + i++ + x += b << 35 + if b&0x80 == 0 { + goto done + } + x -= 0x80 << 35 + + b = uint64(buf[i]) + i++ + x += b << 42 + if b&0x80 == 0 { + goto done + } + x -= 0x80 << 42 + + b = uint64(buf[i]) + i++ + x += b << 49 + if b&0x80 == 0 { + goto done + } + x -= 0x80 << 49 + + b = uint64(buf[i]) + i++ + x += b << 56 + if b&0x80 == 0 { + goto done + } + x -= 0x80 << 56 + + b = uint64(buf[i]) + i++ + x += b << 63 + if b&0x80 == 0 { + goto done + } + // x -= 0x80 << 63 // Always zero. + + return 0, errOverflow + +done: + p.index = i + return x, nil +} + +// DecodeFixed64 reads a 64-bit integer from the Buffer. +// This is the format for the +// fixed64, sfixed64, and double protocol buffer types. +func (p *Buffer) DecodeFixed64() (x uint64, err error) { + // x, err already 0 + i := p.index + 8 + if i < 0 || i > len(p.buf) { + err = io.ErrUnexpectedEOF + return + } + p.index = i + + x = uint64(p.buf[i-8]) + x |= uint64(p.buf[i-7]) << 8 + x |= uint64(p.buf[i-6]) << 16 + x |= uint64(p.buf[i-5]) << 24 + x |= uint64(p.buf[i-4]) << 32 + x |= uint64(p.buf[i-3]) << 40 + x |= uint64(p.buf[i-2]) << 48 + x |= uint64(p.buf[i-1]) << 56 + return +} + +// DecodeFixed32 reads a 32-bit integer from the Buffer. +// This is the format for the +// fixed32, sfixed32, and float protocol buffer types. +func (p *Buffer) DecodeFixed32() (x uint64, err error) { + // x, err already 0 + i := p.index + 4 + if i < 0 || i > len(p.buf) { + err = io.ErrUnexpectedEOF + return + } + p.index = i + + x = uint64(p.buf[i-4]) + x |= uint64(p.buf[i-3]) << 8 + x |= uint64(p.buf[i-2]) << 16 + x |= uint64(p.buf[i-1]) << 24 + return +} + +// DecodeZigzag64 reads a zigzag-encoded 64-bit integer +// from the Buffer. +// This is the format used for the sint64 protocol buffer type. +func (p *Buffer) DecodeZigzag64() (x uint64, err error) { + x, err = p.DecodeVarint() + if err != nil { + return + } + x = (x >> 1) ^ uint64((int64(x&1)<<63)>>63) + return +} + +// DecodeZigzag32 reads a zigzag-encoded 32-bit integer +// from the Buffer. +// This is the format used for the sint32 protocol buffer type. +func (p *Buffer) DecodeZigzag32() (x uint64, err error) { + x, err = p.DecodeVarint() + if err != nil { + return + } + x = uint64((uint32(x) >> 1) ^ uint32((int32(x&1)<<31)>>31)) + return +} + +// These are not ValueDecoders: they produce an array of bytes or a string. +// bytes, embedded messages + +// DecodeRawBytes reads a count-delimited byte buffer from the Buffer. +// This is the format used for the bytes protocol buffer +// type and for embedded messages. +func (p *Buffer) DecodeRawBytes(alloc bool) (buf []byte, err error) { + n, err := p.DecodeVarint() + if err != nil { + return nil, err + } + + nb := int(n) + if nb < 0 { + return nil, fmt.Errorf("proto: bad byte length %d", nb) + } + end := p.index + nb + if end < p.index || end > len(p.buf) { + return nil, io.ErrUnexpectedEOF + } + + if !alloc { + // todo: check if can get more uses of alloc=false + buf = p.buf[p.index:end] + p.index += nb + return + } + + buf = make([]byte, nb) + copy(buf, p.buf[p.index:]) + p.index += nb + return +} + +// DecodeStringBytes reads an encoded string from the Buffer. +// This is the format used for the proto2 string type. +func (p *Buffer) DecodeStringBytes() (s string, err error) { + buf, err := p.DecodeRawBytes(false) + if err != nil { + return + } + return string(buf), nil +} + +// Skip the next item in the buffer. Its wire type is decoded and presented as an argument. +// If the protocol buffer has extensions, and the field matches, add it as an extension. +// Otherwise, if the XXX_unrecognized field exists, append the skipped data there. +func (o *Buffer) skipAndSave(t reflect.Type, tag, wire int, base structPointer, unrecField field) error { + oi := o.index + + err := o.skip(t, tag, wire) + if err != nil { + return err + } + + if !unrecField.IsValid() { + return nil + } + + ptr := structPointer_Bytes(base, unrecField) + + // Add the skipped field to struct field + obuf := o.buf + + o.buf = *ptr + o.EncodeVarint(uint64(tag<<3 | wire)) + *ptr = append(o.buf, obuf[oi:o.index]...) + + o.buf = obuf + + return nil +} + +// Skip the next item in the buffer. Its wire type is decoded and presented as an argument. +func (o *Buffer) skip(t reflect.Type, tag, wire int) error { + + var u uint64 + var err error + + switch wire { + case WireVarint: + _, err = o.DecodeVarint() + case WireFixed64: + _, err = o.DecodeFixed64() + case WireBytes: + _, err = o.DecodeRawBytes(false) + case WireFixed32: + _, err = o.DecodeFixed32() + case WireStartGroup: + for { + u, err = o.DecodeVarint() + if err != nil { + break + } + fwire := int(u & 0x7) + if fwire == WireEndGroup { + break + } + ftag := int(u >> 3) + err = o.skip(t, ftag, fwire) + if err != nil { + break + } + } + default: + err = fmt.Errorf("proto: can't skip unknown wire type %d for %s", wire, t) + } + return err +} + +// Unmarshaler is the interface representing objects that can +// unmarshal themselves. The method should reset the receiver before +// decoding starts. The argument points to data that may be +// overwritten, so implementations should not keep references to the +// buffer. +type Unmarshaler interface { + Unmarshal([]byte) error +} + +// Unmarshal parses the protocol buffer representation in buf and places the +// decoded result in pb. If the struct underlying pb does not match +// the data in buf, the results can be unpredictable. +// +// Unmarshal resets pb before starting to unmarshal, so any +// existing data in pb is always removed. Use UnmarshalMerge +// to preserve and append to existing data. +func Unmarshal(buf []byte, pb Message) error { + pb.Reset() + return UnmarshalMerge(buf, pb) +} + +// UnmarshalMerge parses the protocol buffer representation in buf and +// writes the decoded result to pb. If the struct underlying pb does not match +// the data in buf, the results can be unpredictable. +// +// UnmarshalMerge merges into existing data in pb. +// Most code should use Unmarshal instead. +func UnmarshalMerge(buf []byte, pb Message) error { + // If the object can unmarshal itself, let it. + if u, ok := pb.(Unmarshaler); ok { + return u.Unmarshal(buf) + } + return NewBuffer(buf).Unmarshal(pb) +} + +// DecodeMessage reads a count-delimited message from the Buffer. +func (p *Buffer) DecodeMessage(pb Message) error { + enc, err := p.DecodeRawBytes(false) + if err != nil { + return err + } + return NewBuffer(enc).Unmarshal(pb) +} + +// DecodeGroup reads a tag-delimited group from the Buffer. +func (p *Buffer) DecodeGroup(pb Message) error { + typ, base, err := getbase(pb) + if err != nil { + return err + } + return p.unmarshalType(typ.Elem(), GetProperties(typ.Elem()), true, base) +} + +// Unmarshal parses the protocol buffer representation in the +// Buffer and places the decoded result in pb. If the struct +// underlying pb does not match the data in the buffer, the results can be +// unpredictable. +// +// Unlike proto.Unmarshal, this does not reset pb before starting to unmarshal. +func (p *Buffer) Unmarshal(pb Message) error { + // If the object can unmarshal itself, let it. + if u, ok := pb.(Unmarshaler); ok { + err := u.Unmarshal(p.buf[p.index:]) + p.index = len(p.buf) + return err + } + + typ, base, err := getbase(pb) + if err != nil { + return err + } + + err = p.unmarshalType(typ.Elem(), GetProperties(typ.Elem()), false, base) + + if collectStats { + stats.Decode++ + } + + return err +} + +// unmarshalType does the work of unmarshaling a structure. +func (o *Buffer) unmarshalType(st reflect.Type, prop *StructProperties, is_group bool, base structPointer) error { + var state errorState + required, reqFields := prop.reqCount, uint64(0) + + var err error + for err == nil && o.index < len(o.buf) { + oi := o.index + var u uint64 + u, err = o.DecodeVarint() + if err != nil { + break + } + wire := int(u & 0x7) + if wire == WireEndGroup { + if is_group { + if required > 0 { + // Not enough information to determine the exact field. + // (See below.) + return &RequiredNotSetError{"{Unknown}"} + } + return nil // input is satisfied + } + return fmt.Errorf("proto: %s: wiretype end group for non-group", st) + } + tag := int(u >> 3) + if tag <= 0 { + return fmt.Errorf("proto: %s: illegal tag %d (wire type %d)", st, tag, wire) + } + fieldnum, ok := prop.decoderTags.get(tag) + if !ok { + // Maybe it's an extension? + if prop.extendable { + if e, _ := extendable(structPointer_Interface(base, st)); isExtensionField(e, int32(tag)) { + if err = o.skip(st, tag, wire); err == nil { + extmap := e.extensionsWrite() + ext := extmap[int32(tag)] // may be missing + ext.enc = append(ext.enc, o.buf[oi:o.index]...) + extmap[int32(tag)] = ext + } + continue + } + } + // Maybe it's a oneof? + if prop.oneofUnmarshaler != nil { + m := structPointer_Interface(base, st).(Message) + // First return value indicates whether tag is a oneof field. + ok, err = prop.oneofUnmarshaler(m, tag, wire, o) + if err == ErrInternalBadWireType { + // Map the error to something more descriptive. + // Do the formatting here to save generated code space. + err = fmt.Errorf("bad wiretype for oneof field in %T", m) + } + if ok { + continue + } + } + err = o.skipAndSave(st, tag, wire, base, prop.unrecField) + continue + } + p := prop.Prop[fieldnum] + + if p.dec == nil { + fmt.Fprintf(os.Stderr, "proto: no protobuf decoder for %s.%s\n", st, st.Field(fieldnum).Name) + continue + } + dec := p.dec + if wire != WireStartGroup && wire != p.WireType { + if wire == WireBytes && p.packedDec != nil { + // a packable field + dec = p.packedDec + } else { + err = fmt.Errorf("proto: bad wiretype for field %s.%s: got wiretype %d, want %d", st, st.Field(fieldnum).Name, wire, p.WireType) + continue + } + } + decErr := dec(o, p, base) + if decErr != nil && !state.shouldContinue(decErr, p) { + err = decErr + } + if err == nil && p.Required { + // Successfully decoded a required field. + if tag <= 64 { + // use bitmap for fields 1-64 to catch field reuse. + var mask uint64 = 1 << uint64(tag-1) + if reqFields&mask == 0 { + // new required field + reqFields |= mask + required-- + } + } else { + // This is imprecise. It can be fooled by a required field + // with a tag > 64 that is encoded twice; that's very rare. + // A fully correct implementation would require allocating + // a data structure, which we would like to avoid. + required-- + } + } + } + if err == nil { + if is_group { + return io.ErrUnexpectedEOF + } + if state.err != nil { + return state.err + } + if required > 0 { + // Not enough information to determine the exact field. If we use extra + // CPU, we could determine the field only if the missing required field + // has a tag <= 64 and we check reqFields. + return &RequiredNotSetError{"{Unknown}"} + } + } + return err +} + +// Individual type decoders +// For each, +// u is the decoded value, +// v is a pointer to the field (pointer) in the struct + +// Sizes of the pools to allocate inside the Buffer. +// The goal is modest amortization and allocation +// on at least 16-byte boundaries. +const ( + boolPoolSize = 16 + uint32PoolSize = 8 + uint64PoolSize = 4 +) + +// Decode a bool. +func (o *Buffer) dec_bool(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + if len(o.bools) == 0 { + o.bools = make([]bool, boolPoolSize) + } + o.bools[0] = u != 0 + *structPointer_Bool(base, p.field) = &o.bools[0] + o.bools = o.bools[1:] + return nil +} + +func (o *Buffer) dec_proto3_bool(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + *structPointer_BoolVal(base, p.field) = u != 0 + return nil +} + +// Decode an int32. +func (o *Buffer) dec_int32(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + word32_Set(structPointer_Word32(base, p.field), o, uint32(u)) + return nil +} + +func (o *Buffer) dec_proto3_int32(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + word32Val_Set(structPointer_Word32Val(base, p.field), uint32(u)) + return nil +} + +// Decode an int64. +func (o *Buffer) dec_int64(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + word64_Set(structPointer_Word64(base, p.field), o, u) + return nil +} + +func (o *Buffer) dec_proto3_int64(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + word64Val_Set(structPointer_Word64Val(base, p.field), o, u) + return nil +} + +// Decode a string. +func (o *Buffer) dec_string(p *Properties, base structPointer) error { + s, err := o.DecodeStringBytes() + if err != nil { + return err + } + *structPointer_String(base, p.field) = &s + return nil +} + +func (o *Buffer) dec_proto3_string(p *Properties, base structPointer) error { + s, err := o.DecodeStringBytes() + if err != nil { + return err + } + *structPointer_StringVal(base, p.field) = s + return nil +} + +// Decode a slice of bytes ([]byte). +func (o *Buffer) dec_slice_byte(p *Properties, base structPointer) error { + b, err := o.DecodeRawBytes(true) + if err != nil { + return err + } + *structPointer_Bytes(base, p.field) = b + return nil +} + +// Decode a slice of bools ([]bool). +func (o *Buffer) dec_slice_bool(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + v := structPointer_BoolSlice(base, p.field) + *v = append(*v, u != 0) + return nil +} + +// Decode a slice of bools ([]bool) in packed format. +func (o *Buffer) dec_slice_packed_bool(p *Properties, base structPointer) error { + v := structPointer_BoolSlice(base, p.field) + + nn, err := o.DecodeVarint() + if err != nil { + return err + } + nb := int(nn) // number of bytes of encoded bools + fin := o.index + nb + if fin < o.index { + return errOverflow + } + + y := *v + for o.index < fin { + u, err := p.valDec(o) + if err != nil { + return err + } + y = append(y, u != 0) + } + + *v = y + return nil +} + +// Decode a slice of int32s ([]int32). +func (o *Buffer) dec_slice_int32(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + structPointer_Word32Slice(base, p.field).Append(uint32(u)) + return nil +} + +// Decode a slice of int32s ([]int32) in packed format. +func (o *Buffer) dec_slice_packed_int32(p *Properties, base structPointer) error { + v := structPointer_Word32Slice(base, p.field) + + nn, err := o.DecodeVarint() + if err != nil { + return err + } + nb := int(nn) // number of bytes of encoded int32s + + fin := o.index + nb + if fin < o.index { + return errOverflow + } + for o.index < fin { + u, err := p.valDec(o) + if err != nil { + return err + } + v.Append(uint32(u)) + } + return nil +} + +// Decode a slice of int64s ([]int64). +func (o *Buffer) dec_slice_int64(p *Properties, base structPointer) error { + u, err := p.valDec(o) + if err != nil { + return err + } + + structPointer_Word64Slice(base, p.field).Append(u) + return nil +} + +// Decode a slice of int64s ([]int64) in packed format. +func (o *Buffer) dec_slice_packed_int64(p *Properties, base structPointer) error { + v := structPointer_Word64Slice(base, p.field) + + nn, err := o.DecodeVarint() + if err != nil { + return err + } + nb := int(nn) // number of bytes of encoded int64s + + fin := o.index + nb + if fin < o.index { + return errOverflow + } + for o.index < fin { + u, err := p.valDec(o) + if err != nil { + return err + } + v.Append(u) + } + return nil +} + +// Decode a slice of strings ([]string). +func (o *Buffer) dec_slice_string(p *Properties, base structPointer) error { + s, err := o.DecodeStringBytes() + if err != nil { + return err + } + v := structPointer_StringSlice(base, p.field) + *v = append(*v, s) + return nil +} + +// Decode a slice of slice of bytes ([][]byte). +func (o *Buffer) dec_slice_slice_byte(p *Properties, base structPointer) error { + b, err := o.DecodeRawBytes(true) + if err != nil { + return err + } + v := structPointer_BytesSlice(base, p.field) + *v = append(*v, b) + return nil +} + +// Decode a map field. +func (o *Buffer) dec_new_map(p *Properties, base structPointer) error { + raw, err := o.DecodeRawBytes(false) + if err != nil { + return err + } + oi := o.index // index at the end of this map entry + o.index -= len(raw) // move buffer back to start of map entry + + mptr := structPointer_NewAt(base, p.field, p.mtype) // *map[K]V + if mptr.Elem().IsNil() { + mptr.Elem().Set(reflect.MakeMap(mptr.Type().Elem())) + } + v := mptr.Elem() // map[K]V + + // Prepare addressable doubly-indirect placeholders for the key and value types. + // See enc_new_map for why. + keyptr := reflect.New(reflect.PtrTo(p.mtype.Key())).Elem() // addressable *K + keybase := toStructPointer(keyptr.Addr()) // **K + + var valbase structPointer + var valptr reflect.Value + switch p.mtype.Elem().Kind() { + case reflect.Slice: + // []byte + var dummy []byte + valptr = reflect.ValueOf(&dummy) // *[]byte + valbase = toStructPointer(valptr) // *[]byte + case reflect.Ptr: + // message; valptr is **Msg; need to allocate the intermediate pointer + valptr = reflect.New(reflect.PtrTo(p.mtype.Elem())).Elem() // addressable *V + valptr.Set(reflect.New(valptr.Type().Elem())) + valbase = toStructPointer(valptr) + default: + // everything else + valptr = reflect.New(reflect.PtrTo(p.mtype.Elem())).Elem() // addressable *V + valbase = toStructPointer(valptr.Addr()) // **V + } + + // Decode. + // This parses a restricted wire format, namely the encoding of a message + // with two fields. See enc_new_map for the format. + for o.index < oi { + // tagcode for key and value properties are always a single byte + // because they have tags 1 and 2. + tagcode := o.buf[o.index] + o.index++ + switch tagcode { + case p.mkeyprop.tagcode[0]: + if err := p.mkeyprop.dec(o, p.mkeyprop, keybase); err != nil { + return err + } + case p.mvalprop.tagcode[0]: + if err := p.mvalprop.dec(o, p.mvalprop, valbase); err != nil { + return err + } + default: + // TODO: Should we silently skip this instead? + return fmt.Errorf("proto: bad map data tag %d", raw[0]) + } + } + keyelem, valelem := keyptr.Elem(), valptr.Elem() + if !keyelem.IsValid() { + keyelem = reflect.Zero(p.mtype.Key()) + } + if !valelem.IsValid() { + valelem = reflect.Zero(p.mtype.Elem()) + } + + v.SetMapIndex(keyelem, valelem) + return nil +} + +// Decode a group. +func (o *Buffer) dec_struct_group(p *Properties, base structPointer) error { + bas := structPointer_GetStructPointer(base, p.field) + if structPointer_IsNil(bas) { + // allocate new nested message + bas = toStructPointer(reflect.New(p.stype)) + structPointer_SetStructPointer(base, p.field, bas) + } + return o.unmarshalType(p.stype, p.sprop, true, bas) +} + +// Decode an embedded message. +func (o *Buffer) dec_struct_message(p *Properties, base structPointer) (err error) { + raw, e := o.DecodeRawBytes(false) + if e != nil { + return e + } + + bas := structPointer_GetStructPointer(base, p.field) + if structPointer_IsNil(bas) { + // allocate new nested message + bas = toStructPointer(reflect.New(p.stype)) + structPointer_SetStructPointer(base, p.field, bas) + } + + // If the object can unmarshal itself, let it. + if p.isUnmarshaler { + iv := structPointer_Interface(bas, p.stype) + return iv.(Unmarshaler).Unmarshal(raw) + } + + obuf := o.buf + oi := o.index + o.buf = raw + o.index = 0 + + err = o.unmarshalType(p.stype, p.sprop, false, bas) + o.buf = obuf + o.index = oi + + return err +} + +// Decode a slice of embedded messages. +func (o *Buffer) dec_slice_struct_message(p *Properties, base structPointer) error { + return o.dec_slice_struct(p, false, base) +} + +// Decode a slice of embedded groups. +func (o *Buffer) dec_slice_struct_group(p *Properties, base structPointer) error { + return o.dec_slice_struct(p, true, base) +} + +// Decode a slice of structs ([]*struct). +func (o *Buffer) dec_slice_struct(p *Properties, is_group bool, base structPointer) error { + v := reflect.New(p.stype) + bas := toStructPointer(v) + structPointer_StructPointerSlice(base, p.field).Append(bas) + + if is_group { + err := o.unmarshalType(p.stype, p.sprop, is_group, bas) + return err + } + + raw, err := o.DecodeRawBytes(false) + if err != nil { + return err + } + + // If the object can unmarshal itself, let it. + if p.isUnmarshaler { + iv := v.Interface() + return iv.(Unmarshaler).Unmarshal(raw) + } + + obuf := o.buf + oi := o.index + o.buf = raw + o.index = 0 + + err = o.unmarshalType(p.stype, p.sprop, is_group, bas) + + o.buf = obuf + o.index = oi + + return err +} diff --git a/vendor/github.com/golang/protobuf/proto/encode.go b/vendor/github.com/golang/protobuf/proto/encode.go new file mode 100644 index 0000000..2b30f84 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/encode.go @@ -0,0 +1,1362 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2010 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +/* + * Routines for encoding data into the wire format for protocol buffers. + */ + +import ( + "errors" + "fmt" + "reflect" + "sort" +) + +// RequiredNotSetError is the error returned if Marshal is called with +// a protocol buffer struct whose required fields have not +// all been initialized. It is also the error returned if Unmarshal is +// called with an encoded protocol buffer that does not include all the +// required fields. +// +// When printed, RequiredNotSetError reports the first unset required field in a +// message. If the field cannot be precisely determined, it is reported as +// "{Unknown}". +type RequiredNotSetError struct { + field string +} + +func (e *RequiredNotSetError) Error() string { + return fmt.Sprintf("proto: required field %q not set", e.field) +} + +var ( + // errRepeatedHasNil is the error returned if Marshal is called with + // a struct with a repeated field containing a nil element. + errRepeatedHasNil = errors.New("proto: repeated field has nil element") + + // errOneofHasNil is the error returned if Marshal is called with + // a struct with a oneof field containing a nil element. + errOneofHasNil = errors.New("proto: oneof field has nil value") + + // ErrNil is the error returned if Marshal is called with nil. + ErrNil = errors.New("proto: Marshal called with nil") + + // ErrTooLarge is the error returned if Marshal is called with a + // message that encodes to >2GB. + ErrTooLarge = errors.New("proto: message encodes to over 2 GB") +) + +// The fundamental encoders that put bytes on the wire. +// Those that take integer types all accept uint64 and are +// therefore of type valueEncoder. + +const maxVarintBytes = 10 // maximum length of a varint + +// maxMarshalSize is the largest allowed size of an encoded protobuf, +// since C++ and Java use signed int32s for the size. +const maxMarshalSize = 1<<31 - 1 + +// EncodeVarint returns the varint encoding of x. +// This is the format for the +// int32, int64, uint32, uint64, bool, and enum +// protocol buffer types. +// Not used by the package itself, but helpful to clients +// wishing to use the same encoding. +func EncodeVarint(x uint64) []byte { + var buf [maxVarintBytes]byte + var n int + for n = 0; x > 127; n++ { + buf[n] = 0x80 | uint8(x&0x7F) + x >>= 7 + } + buf[n] = uint8(x) + n++ + return buf[0:n] +} + +// EncodeVarint writes a varint-encoded integer to the Buffer. +// This is the format for the +// int32, int64, uint32, uint64, bool, and enum +// protocol buffer types. +func (p *Buffer) EncodeVarint(x uint64) error { + for x >= 1<<7 { + p.buf = append(p.buf, uint8(x&0x7f|0x80)) + x >>= 7 + } + p.buf = append(p.buf, uint8(x)) + return nil +} + +// SizeVarint returns the varint encoding size of an integer. +func SizeVarint(x uint64) int { + return sizeVarint(x) +} + +func sizeVarint(x uint64) (n int) { + for { + n++ + x >>= 7 + if x == 0 { + break + } + } + return n +} + +// EncodeFixed64 writes a 64-bit integer to the Buffer. +// This is the format for the +// fixed64, sfixed64, and double protocol buffer types. +func (p *Buffer) EncodeFixed64(x uint64) error { + p.buf = append(p.buf, + uint8(x), + uint8(x>>8), + uint8(x>>16), + uint8(x>>24), + uint8(x>>32), + uint8(x>>40), + uint8(x>>48), + uint8(x>>56)) + return nil +} + +func sizeFixed64(x uint64) int { + return 8 +} + +// EncodeFixed32 writes a 32-bit integer to the Buffer. +// This is the format for the +// fixed32, sfixed32, and float protocol buffer types. +func (p *Buffer) EncodeFixed32(x uint64) error { + p.buf = append(p.buf, + uint8(x), + uint8(x>>8), + uint8(x>>16), + uint8(x>>24)) + return nil +} + +func sizeFixed32(x uint64) int { + return 4 +} + +// EncodeZigzag64 writes a zigzag-encoded 64-bit integer +// to the Buffer. +// This is the format used for the sint64 protocol buffer type. +func (p *Buffer) EncodeZigzag64(x uint64) error { + // use signed number to get arithmetic right shift. + return p.EncodeVarint(uint64((x << 1) ^ uint64((int64(x) >> 63)))) +} + +func sizeZigzag64(x uint64) int { + return sizeVarint(uint64((x << 1) ^ uint64((int64(x) >> 63)))) +} + +// EncodeZigzag32 writes a zigzag-encoded 32-bit integer +// to the Buffer. +// This is the format used for the sint32 protocol buffer type. +func (p *Buffer) EncodeZigzag32(x uint64) error { + // use signed number to get arithmetic right shift. + return p.EncodeVarint(uint64((uint32(x) << 1) ^ uint32((int32(x) >> 31)))) +} + +func sizeZigzag32(x uint64) int { + return sizeVarint(uint64((uint32(x) << 1) ^ uint32((int32(x) >> 31)))) +} + +// EncodeRawBytes writes a count-delimited byte buffer to the Buffer. +// This is the format used for the bytes protocol buffer +// type and for embedded messages. +func (p *Buffer) EncodeRawBytes(b []byte) error { + p.EncodeVarint(uint64(len(b))) + p.buf = append(p.buf, b...) + return nil +} + +func sizeRawBytes(b []byte) int { + return sizeVarint(uint64(len(b))) + + len(b) +} + +// EncodeStringBytes writes an encoded string to the Buffer. +// This is the format used for the proto2 string type. +func (p *Buffer) EncodeStringBytes(s string) error { + p.EncodeVarint(uint64(len(s))) + p.buf = append(p.buf, s...) + return nil +} + +func sizeStringBytes(s string) int { + return sizeVarint(uint64(len(s))) + + len(s) +} + +// Marshaler is the interface representing objects that can marshal themselves. +type Marshaler interface { + Marshal() ([]byte, error) +} + +// Marshal takes the protocol buffer +// and encodes it into the wire format, returning the data. +func Marshal(pb Message) ([]byte, error) { + // Can the object marshal itself? + if m, ok := pb.(Marshaler); ok { + return m.Marshal() + } + p := NewBuffer(nil) + err := p.Marshal(pb) + if p.buf == nil && err == nil { + // Return a non-nil slice on success. + return []byte{}, nil + } + return p.buf, err +} + +// EncodeMessage writes the protocol buffer to the Buffer, +// prefixed by a varint-encoded length. +func (p *Buffer) EncodeMessage(pb Message) error { + t, base, err := getbase(pb) + if structPointer_IsNil(base) { + return ErrNil + } + if err == nil { + var state errorState + err = p.enc_len_struct(GetProperties(t.Elem()), base, &state) + } + return err +} + +// Marshal takes the protocol buffer +// and encodes it into the wire format, writing the result to the +// Buffer. +func (p *Buffer) Marshal(pb Message) error { + // Can the object marshal itself? + if m, ok := pb.(Marshaler); ok { + data, err := m.Marshal() + p.buf = append(p.buf, data...) + return err + } + + t, base, err := getbase(pb) + if structPointer_IsNil(base) { + return ErrNil + } + if err == nil { + err = p.enc_struct(GetProperties(t.Elem()), base) + } + + if collectStats { + (stats).Encode++ // Parens are to work around a goimports bug. + } + + if len(p.buf) > maxMarshalSize { + return ErrTooLarge + } + return err +} + +// Size returns the encoded size of a protocol buffer. +func Size(pb Message) (n int) { + // Can the object marshal itself? If so, Size is slow. + // TODO: add Size to Marshaler, or add a Sizer interface. + if m, ok := pb.(Marshaler); ok { + b, _ := m.Marshal() + return len(b) + } + + t, base, err := getbase(pb) + if structPointer_IsNil(base) { + return 0 + } + if err == nil { + n = size_struct(GetProperties(t.Elem()), base) + } + + if collectStats { + (stats).Size++ // Parens are to work around a goimports bug. + } + + return +} + +// Individual type encoders. + +// Encode a bool. +func (o *Buffer) enc_bool(p *Properties, base structPointer) error { + v := *structPointer_Bool(base, p.field) + if v == nil { + return ErrNil + } + x := 0 + if *v { + x = 1 + } + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, uint64(x)) + return nil +} + +func (o *Buffer) enc_proto3_bool(p *Properties, base structPointer) error { + v := *structPointer_BoolVal(base, p.field) + if !v { + return ErrNil + } + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, 1) + return nil +} + +func size_bool(p *Properties, base structPointer) int { + v := *structPointer_Bool(base, p.field) + if v == nil { + return 0 + } + return len(p.tagcode) + 1 // each bool takes exactly one byte +} + +func size_proto3_bool(p *Properties, base structPointer) int { + v := *structPointer_BoolVal(base, p.field) + if !v && !p.oneof { + return 0 + } + return len(p.tagcode) + 1 // each bool takes exactly one byte +} + +// Encode an int32. +func (o *Buffer) enc_int32(p *Properties, base structPointer) error { + v := structPointer_Word32(base, p.field) + if word32_IsNil(v) { + return ErrNil + } + x := int32(word32_Get(v)) // permit sign extension to use full 64-bit range + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, uint64(x)) + return nil +} + +func (o *Buffer) enc_proto3_int32(p *Properties, base structPointer) error { + v := structPointer_Word32Val(base, p.field) + x := int32(word32Val_Get(v)) // permit sign extension to use full 64-bit range + if x == 0 { + return ErrNil + } + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, uint64(x)) + return nil +} + +func size_int32(p *Properties, base structPointer) (n int) { + v := structPointer_Word32(base, p.field) + if word32_IsNil(v) { + return 0 + } + x := int32(word32_Get(v)) // permit sign extension to use full 64-bit range + n += len(p.tagcode) + n += p.valSize(uint64(x)) + return +} + +func size_proto3_int32(p *Properties, base structPointer) (n int) { + v := structPointer_Word32Val(base, p.field) + x := int32(word32Val_Get(v)) // permit sign extension to use full 64-bit range + if x == 0 && !p.oneof { + return 0 + } + n += len(p.tagcode) + n += p.valSize(uint64(x)) + return +} + +// Encode a uint32. +// Exactly the same as int32, except for no sign extension. +func (o *Buffer) enc_uint32(p *Properties, base structPointer) error { + v := structPointer_Word32(base, p.field) + if word32_IsNil(v) { + return ErrNil + } + x := word32_Get(v) + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, uint64(x)) + return nil +} + +func (o *Buffer) enc_proto3_uint32(p *Properties, base structPointer) error { + v := structPointer_Word32Val(base, p.field) + x := word32Val_Get(v) + if x == 0 { + return ErrNil + } + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, uint64(x)) + return nil +} + +func size_uint32(p *Properties, base structPointer) (n int) { + v := structPointer_Word32(base, p.field) + if word32_IsNil(v) { + return 0 + } + x := word32_Get(v) + n += len(p.tagcode) + n += p.valSize(uint64(x)) + return +} + +func size_proto3_uint32(p *Properties, base structPointer) (n int) { + v := structPointer_Word32Val(base, p.field) + x := word32Val_Get(v) + if x == 0 && !p.oneof { + return 0 + } + n += len(p.tagcode) + n += p.valSize(uint64(x)) + return +} + +// Encode an int64. +func (o *Buffer) enc_int64(p *Properties, base structPointer) error { + v := structPointer_Word64(base, p.field) + if word64_IsNil(v) { + return ErrNil + } + x := word64_Get(v) + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, x) + return nil +} + +func (o *Buffer) enc_proto3_int64(p *Properties, base structPointer) error { + v := structPointer_Word64Val(base, p.field) + x := word64Val_Get(v) + if x == 0 { + return ErrNil + } + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, x) + return nil +} + +func size_int64(p *Properties, base structPointer) (n int) { + v := structPointer_Word64(base, p.field) + if word64_IsNil(v) { + return 0 + } + x := word64_Get(v) + n += len(p.tagcode) + n += p.valSize(x) + return +} + +func size_proto3_int64(p *Properties, base structPointer) (n int) { + v := structPointer_Word64Val(base, p.field) + x := word64Val_Get(v) + if x == 0 && !p.oneof { + return 0 + } + n += len(p.tagcode) + n += p.valSize(x) + return +} + +// Encode a string. +func (o *Buffer) enc_string(p *Properties, base structPointer) error { + v := *structPointer_String(base, p.field) + if v == nil { + return ErrNil + } + x := *v + o.buf = append(o.buf, p.tagcode...) + o.EncodeStringBytes(x) + return nil +} + +func (o *Buffer) enc_proto3_string(p *Properties, base structPointer) error { + v := *structPointer_StringVal(base, p.field) + if v == "" { + return ErrNil + } + o.buf = append(o.buf, p.tagcode...) + o.EncodeStringBytes(v) + return nil +} + +func size_string(p *Properties, base structPointer) (n int) { + v := *structPointer_String(base, p.field) + if v == nil { + return 0 + } + x := *v + n += len(p.tagcode) + n += sizeStringBytes(x) + return +} + +func size_proto3_string(p *Properties, base structPointer) (n int) { + v := *structPointer_StringVal(base, p.field) + if v == "" && !p.oneof { + return 0 + } + n += len(p.tagcode) + n += sizeStringBytes(v) + return +} + +// All protocol buffer fields are nillable, but be careful. +func isNil(v reflect.Value) bool { + switch v.Kind() { + case reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice: + return v.IsNil() + } + return false +} + +// Encode a message struct. +func (o *Buffer) enc_struct_message(p *Properties, base structPointer) error { + var state errorState + structp := structPointer_GetStructPointer(base, p.field) + if structPointer_IsNil(structp) { + return ErrNil + } + + // Can the object marshal itself? + if p.isMarshaler { + m := structPointer_Interface(structp, p.stype).(Marshaler) + data, err := m.Marshal() + if err != nil && !state.shouldContinue(err, nil) { + return err + } + o.buf = append(o.buf, p.tagcode...) + o.EncodeRawBytes(data) + return state.err + } + + o.buf = append(o.buf, p.tagcode...) + return o.enc_len_struct(p.sprop, structp, &state) +} + +func size_struct_message(p *Properties, base structPointer) int { + structp := structPointer_GetStructPointer(base, p.field) + if structPointer_IsNil(structp) { + return 0 + } + + // Can the object marshal itself? + if p.isMarshaler { + m := structPointer_Interface(structp, p.stype).(Marshaler) + data, _ := m.Marshal() + n0 := len(p.tagcode) + n1 := sizeRawBytes(data) + return n0 + n1 + } + + n0 := len(p.tagcode) + n1 := size_struct(p.sprop, structp) + n2 := sizeVarint(uint64(n1)) // size of encoded length + return n0 + n1 + n2 +} + +// Encode a group struct. +func (o *Buffer) enc_struct_group(p *Properties, base structPointer) error { + var state errorState + b := structPointer_GetStructPointer(base, p.field) + if structPointer_IsNil(b) { + return ErrNil + } + + o.EncodeVarint(uint64((p.Tag << 3) | WireStartGroup)) + err := o.enc_struct(p.sprop, b) + if err != nil && !state.shouldContinue(err, nil) { + return err + } + o.EncodeVarint(uint64((p.Tag << 3) | WireEndGroup)) + return state.err +} + +func size_struct_group(p *Properties, base structPointer) (n int) { + b := structPointer_GetStructPointer(base, p.field) + if structPointer_IsNil(b) { + return 0 + } + + n += sizeVarint(uint64((p.Tag << 3) | WireStartGroup)) + n += size_struct(p.sprop, b) + n += sizeVarint(uint64((p.Tag << 3) | WireEndGroup)) + return +} + +// Encode a slice of bools ([]bool). +func (o *Buffer) enc_slice_bool(p *Properties, base structPointer) error { + s := *structPointer_BoolSlice(base, p.field) + l := len(s) + if l == 0 { + return ErrNil + } + for _, x := range s { + o.buf = append(o.buf, p.tagcode...) + v := uint64(0) + if x { + v = 1 + } + p.valEnc(o, v) + } + return nil +} + +func size_slice_bool(p *Properties, base structPointer) int { + s := *structPointer_BoolSlice(base, p.field) + l := len(s) + if l == 0 { + return 0 + } + return l * (len(p.tagcode) + 1) // each bool takes exactly one byte +} + +// Encode a slice of bools ([]bool) in packed format. +func (o *Buffer) enc_slice_packed_bool(p *Properties, base structPointer) error { + s := *structPointer_BoolSlice(base, p.field) + l := len(s) + if l == 0 { + return ErrNil + } + o.buf = append(o.buf, p.tagcode...) + o.EncodeVarint(uint64(l)) // each bool takes exactly one byte + for _, x := range s { + v := uint64(0) + if x { + v = 1 + } + p.valEnc(o, v) + } + return nil +} + +func size_slice_packed_bool(p *Properties, base structPointer) (n int) { + s := *structPointer_BoolSlice(base, p.field) + l := len(s) + if l == 0 { + return 0 + } + n += len(p.tagcode) + n += sizeVarint(uint64(l)) + n += l // each bool takes exactly one byte + return +} + +// Encode a slice of bytes ([]byte). +func (o *Buffer) enc_slice_byte(p *Properties, base structPointer) error { + s := *structPointer_Bytes(base, p.field) + if s == nil { + return ErrNil + } + o.buf = append(o.buf, p.tagcode...) + o.EncodeRawBytes(s) + return nil +} + +func (o *Buffer) enc_proto3_slice_byte(p *Properties, base structPointer) error { + s := *structPointer_Bytes(base, p.field) + if len(s) == 0 { + return ErrNil + } + o.buf = append(o.buf, p.tagcode...) + o.EncodeRawBytes(s) + return nil +} + +func size_slice_byte(p *Properties, base structPointer) (n int) { + s := *structPointer_Bytes(base, p.field) + if s == nil && !p.oneof { + return 0 + } + n += len(p.tagcode) + n += sizeRawBytes(s) + return +} + +func size_proto3_slice_byte(p *Properties, base structPointer) (n int) { + s := *structPointer_Bytes(base, p.field) + if len(s) == 0 && !p.oneof { + return 0 + } + n += len(p.tagcode) + n += sizeRawBytes(s) + return +} + +// Encode a slice of int32s ([]int32). +func (o *Buffer) enc_slice_int32(p *Properties, base structPointer) error { + s := structPointer_Word32Slice(base, p.field) + l := s.Len() + if l == 0 { + return ErrNil + } + for i := 0; i < l; i++ { + o.buf = append(o.buf, p.tagcode...) + x := int32(s.Index(i)) // permit sign extension to use full 64-bit range + p.valEnc(o, uint64(x)) + } + return nil +} + +func size_slice_int32(p *Properties, base structPointer) (n int) { + s := structPointer_Word32Slice(base, p.field) + l := s.Len() + if l == 0 { + return 0 + } + for i := 0; i < l; i++ { + n += len(p.tagcode) + x := int32(s.Index(i)) // permit sign extension to use full 64-bit range + n += p.valSize(uint64(x)) + } + return +} + +// Encode a slice of int32s ([]int32) in packed format. +func (o *Buffer) enc_slice_packed_int32(p *Properties, base structPointer) error { + s := structPointer_Word32Slice(base, p.field) + l := s.Len() + if l == 0 { + return ErrNil + } + // TODO: Reuse a Buffer. + buf := NewBuffer(nil) + for i := 0; i < l; i++ { + x := int32(s.Index(i)) // permit sign extension to use full 64-bit range + p.valEnc(buf, uint64(x)) + } + + o.buf = append(o.buf, p.tagcode...) + o.EncodeVarint(uint64(len(buf.buf))) + o.buf = append(o.buf, buf.buf...) + return nil +} + +func size_slice_packed_int32(p *Properties, base structPointer) (n int) { + s := structPointer_Word32Slice(base, p.field) + l := s.Len() + if l == 0 { + return 0 + } + var bufSize int + for i := 0; i < l; i++ { + x := int32(s.Index(i)) // permit sign extension to use full 64-bit range + bufSize += p.valSize(uint64(x)) + } + + n += len(p.tagcode) + n += sizeVarint(uint64(bufSize)) + n += bufSize + return +} + +// Encode a slice of uint32s ([]uint32). +// Exactly the same as int32, except for no sign extension. +func (o *Buffer) enc_slice_uint32(p *Properties, base structPointer) error { + s := structPointer_Word32Slice(base, p.field) + l := s.Len() + if l == 0 { + return ErrNil + } + for i := 0; i < l; i++ { + o.buf = append(o.buf, p.tagcode...) + x := s.Index(i) + p.valEnc(o, uint64(x)) + } + return nil +} + +func size_slice_uint32(p *Properties, base structPointer) (n int) { + s := structPointer_Word32Slice(base, p.field) + l := s.Len() + if l == 0 { + return 0 + } + for i := 0; i < l; i++ { + n += len(p.tagcode) + x := s.Index(i) + n += p.valSize(uint64(x)) + } + return +} + +// Encode a slice of uint32s ([]uint32) in packed format. +// Exactly the same as int32, except for no sign extension. +func (o *Buffer) enc_slice_packed_uint32(p *Properties, base structPointer) error { + s := structPointer_Word32Slice(base, p.field) + l := s.Len() + if l == 0 { + return ErrNil + } + // TODO: Reuse a Buffer. + buf := NewBuffer(nil) + for i := 0; i < l; i++ { + p.valEnc(buf, uint64(s.Index(i))) + } + + o.buf = append(o.buf, p.tagcode...) + o.EncodeVarint(uint64(len(buf.buf))) + o.buf = append(o.buf, buf.buf...) + return nil +} + +func size_slice_packed_uint32(p *Properties, base structPointer) (n int) { + s := structPointer_Word32Slice(base, p.field) + l := s.Len() + if l == 0 { + return 0 + } + var bufSize int + for i := 0; i < l; i++ { + bufSize += p.valSize(uint64(s.Index(i))) + } + + n += len(p.tagcode) + n += sizeVarint(uint64(bufSize)) + n += bufSize + return +} + +// Encode a slice of int64s ([]int64). +func (o *Buffer) enc_slice_int64(p *Properties, base structPointer) error { + s := structPointer_Word64Slice(base, p.field) + l := s.Len() + if l == 0 { + return ErrNil + } + for i := 0; i < l; i++ { + o.buf = append(o.buf, p.tagcode...) + p.valEnc(o, s.Index(i)) + } + return nil +} + +func size_slice_int64(p *Properties, base structPointer) (n int) { + s := structPointer_Word64Slice(base, p.field) + l := s.Len() + if l == 0 { + return 0 + } + for i := 0; i < l; i++ { + n += len(p.tagcode) + n += p.valSize(s.Index(i)) + } + return +} + +// Encode a slice of int64s ([]int64) in packed format. +func (o *Buffer) enc_slice_packed_int64(p *Properties, base structPointer) error { + s := structPointer_Word64Slice(base, p.field) + l := s.Len() + if l == 0 { + return ErrNil + } + // TODO: Reuse a Buffer. + buf := NewBuffer(nil) + for i := 0; i < l; i++ { + p.valEnc(buf, s.Index(i)) + } + + o.buf = append(o.buf, p.tagcode...) + o.EncodeVarint(uint64(len(buf.buf))) + o.buf = append(o.buf, buf.buf...) + return nil +} + +func size_slice_packed_int64(p *Properties, base structPointer) (n int) { + s := structPointer_Word64Slice(base, p.field) + l := s.Len() + if l == 0 { + return 0 + } + var bufSize int + for i := 0; i < l; i++ { + bufSize += p.valSize(s.Index(i)) + } + + n += len(p.tagcode) + n += sizeVarint(uint64(bufSize)) + n += bufSize + return +} + +// Encode a slice of slice of bytes ([][]byte). +func (o *Buffer) enc_slice_slice_byte(p *Properties, base structPointer) error { + ss := *structPointer_BytesSlice(base, p.field) + l := len(ss) + if l == 0 { + return ErrNil + } + for i := 0; i < l; i++ { + o.buf = append(o.buf, p.tagcode...) + o.EncodeRawBytes(ss[i]) + } + return nil +} + +func size_slice_slice_byte(p *Properties, base structPointer) (n int) { + ss := *structPointer_BytesSlice(base, p.field) + l := len(ss) + if l == 0 { + return 0 + } + n += l * len(p.tagcode) + for i := 0; i < l; i++ { + n += sizeRawBytes(ss[i]) + } + return +} + +// Encode a slice of strings ([]string). +func (o *Buffer) enc_slice_string(p *Properties, base structPointer) error { + ss := *structPointer_StringSlice(base, p.field) + l := len(ss) + for i := 0; i < l; i++ { + o.buf = append(o.buf, p.tagcode...) + o.EncodeStringBytes(ss[i]) + } + return nil +} + +func size_slice_string(p *Properties, base structPointer) (n int) { + ss := *structPointer_StringSlice(base, p.field) + l := len(ss) + n += l * len(p.tagcode) + for i := 0; i < l; i++ { + n += sizeStringBytes(ss[i]) + } + return +} + +// Encode a slice of message structs ([]*struct). +func (o *Buffer) enc_slice_struct_message(p *Properties, base structPointer) error { + var state errorState + s := structPointer_StructPointerSlice(base, p.field) + l := s.Len() + + for i := 0; i < l; i++ { + structp := s.Index(i) + if structPointer_IsNil(structp) { + return errRepeatedHasNil + } + + // Can the object marshal itself? + if p.isMarshaler { + m := structPointer_Interface(structp, p.stype).(Marshaler) + data, err := m.Marshal() + if err != nil && !state.shouldContinue(err, nil) { + return err + } + o.buf = append(o.buf, p.tagcode...) + o.EncodeRawBytes(data) + continue + } + + o.buf = append(o.buf, p.tagcode...) + err := o.enc_len_struct(p.sprop, structp, &state) + if err != nil && !state.shouldContinue(err, nil) { + if err == ErrNil { + return errRepeatedHasNil + } + return err + } + } + return state.err +} + +func size_slice_struct_message(p *Properties, base structPointer) (n int) { + s := structPointer_StructPointerSlice(base, p.field) + l := s.Len() + n += l * len(p.tagcode) + for i := 0; i < l; i++ { + structp := s.Index(i) + if structPointer_IsNil(structp) { + return // return the size up to this point + } + + // Can the object marshal itself? + if p.isMarshaler { + m := structPointer_Interface(structp, p.stype).(Marshaler) + data, _ := m.Marshal() + n += sizeRawBytes(data) + continue + } + + n0 := size_struct(p.sprop, structp) + n1 := sizeVarint(uint64(n0)) // size of encoded length + n += n0 + n1 + } + return +} + +// Encode a slice of group structs ([]*struct). +func (o *Buffer) enc_slice_struct_group(p *Properties, base structPointer) error { + var state errorState + s := structPointer_StructPointerSlice(base, p.field) + l := s.Len() + + for i := 0; i < l; i++ { + b := s.Index(i) + if structPointer_IsNil(b) { + return errRepeatedHasNil + } + + o.EncodeVarint(uint64((p.Tag << 3) | WireStartGroup)) + + err := o.enc_struct(p.sprop, b) + + if err != nil && !state.shouldContinue(err, nil) { + if err == ErrNil { + return errRepeatedHasNil + } + return err + } + + o.EncodeVarint(uint64((p.Tag << 3) | WireEndGroup)) + } + return state.err +} + +func size_slice_struct_group(p *Properties, base structPointer) (n int) { + s := structPointer_StructPointerSlice(base, p.field) + l := s.Len() + + n += l * sizeVarint(uint64((p.Tag<<3)|WireStartGroup)) + n += l * sizeVarint(uint64((p.Tag<<3)|WireEndGroup)) + for i := 0; i < l; i++ { + b := s.Index(i) + if structPointer_IsNil(b) { + return // return size up to this point + } + + n += size_struct(p.sprop, b) + } + return +} + +// Encode an extension map. +func (o *Buffer) enc_map(p *Properties, base structPointer) error { + exts := structPointer_ExtMap(base, p.field) + if err := encodeExtensionsMap(*exts); err != nil { + return err + } + + return o.enc_map_body(*exts) +} + +func (o *Buffer) enc_exts(p *Properties, base structPointer) error { + exts := structPointer_Extensions(base, p.field) + + v, mu := exts.extensionsRead() + if v == nil { + return nil + } + + mu.Lock() + defer mu.Unlock() + if err := encodeExtensionsMap(v); err != nil { + return err + } + + return o.enc_map_body(v) +} + +func (o *Buffer) enc_map_body(v map[int32]Extension) error { + // Fast-path for common cases: zero or one extensions. + if len(v) <= 1 { + for _, e := range v { + o.buf = append(o.buf, e.enc...) + } + return nil + } + + // Sort keys to provide a deterministic encoding. + keys := make([]int, 0, len(v)) + for k := range v { + keys = append(keys, int(k)) + } + sort.Ints(keys) + + for _, k := range keys { + o.buf = append(o.buf, v[int32(k)].enc...) + } + return nil +} + +func size_map(p *Properties, base structPointer) int { + v := structPointer_ExtMap(base, p.field) + return extensionsMapSize(*v) +} + +func size_exts(p *Properties, base structPointer) int { + v := structPointer_Extensions(base, p.field) + return extensionsSize(v) +} + +// Encode a map field. +func (o *Buffer) enc_new_map(p *Properties, base structPointer) error { + var state errorState // XXX: or do we need to plumb this through? + + /* + A map defined as + map map_field = N; + is encoded in the same way as + message MapFieldEntry { + key_type key = 1; + value_type value = 2; + } + repeated MapFieldEntry map_field = N; + */ + + v := structPointer_NewAt(base, p.field, p.mtype).Elem() // map[K]V + if v.Len() == 0 { + return nil + } + + keycopy, valcopy, keybase, valbase := mapEncodeScratch(p.mtype) + + enc := func() error { + if err := p.mkeyprop.enc(o, p.mkeyprop, keybase); err != nil { + return err + } + if err := p.mvalprop.enc(o, p.mvalprop, valbase); err != nil && err != ErrNil { + return err + } + return nil + } + + // Don't sort map keys. It is not required by the spec, and C++ doesn't do it. + for _, key := range v.MapKeys() { + val := v.MapIndex(key) + + keycopy.Set(key) + valcopy.Set(val) + + o.buf = append(o.buf, p.tagcode...) + if err := o.enc_len_thing(enc, &state); err != nil { + return err + } + } + return nil +} + +func size_new_map(p *Properties, base structPointer) int { + v := structPointer_NewAt(base, p.field, p.mtype).Elem() // map[K]V + + keycopy, valcopy, keybase, valbase := mapEncodeScratch(p.mtype) + + n := 0 + for _, key := range v.MapKeys() { + val := v.MapIndex(key) + keycopy.Set(key) + valcopy.Set(val) + + // Tag codes for key and val are the responsibility of the sub-sizer. + keysize := p.mkeyprop.size(p.mkeyprop, keybase) + valsize := p.mvalprop.size(p.mvalprop, valbase) + entry := keysize + valsize + // Add on tag code and length of map entry itself. + n += len(p.tagcode) + sizeVarint(uint64(entry)) + entry + } + return n +} + +// mapEncodeScratch returns a new reflect.Value matching the map's value type, +// and a structPointer suitable for passing to an encoder or sizer. +func mapEncodeScratch(mapType reflect.Type) (keycopy, valcopy reflect.Value, keybase, valbase structPointer) { + // Prepare addressable doubly-indirect placeholders for the key and value types. + // This is needed because the element-type encoders expect **T, but the map iteration produces T. + + keycopy = reflect.New(mapType.Key()).Elem() // addressable K + keyptr := reflect.New(reflect.PtrTo(keycopy.Type())).Elem() // addressable *K + keyptr.Set(keycopy.Addr()) // + keybase = toStructPointer(keyptr.Addr()) // **K + + // Value types are more varied and require special handling. + switch mapType.Elem().Kind() { + case reflect.Slice: + // []byte + var dummy []byte + valcopy = reflect.ValueOf(&dummy).Elem() // addressable []byte + valbase = toStructPointer(valcopy.Addr()) + case reflect.Ptr: + // message; the generated field type is map[K]*Msg (so V is *Msg), + // so we only need one level of indirection. + valcopy = reflect.New(mapType.Elem()).Elem() // addressable V + valbase = toStructPointer(valcopy.Addr()) + default: + // everything else + valcopy = reflect.New(mapType.Elem()).Elem() // addressable V + valptr := reflect.New(reflect.PtrTo(valcopy.Type())).Elem() // addressable *V + valptr.Set(valcopy.Addr()) // + valbase = toStructPointer(valptr.Addr()) // **V + } + return +} + +// Encode a struct. +func (o *Buffer) enc_struct(prop *StructProperties, base structPointer) error { + var state errorState + // Encode fields in tag order so that decoders may use optimizations + // that depend on the ordering. + // https://developers.google.com/protocol-buffers/docs/encoding#order + for _, i := range prop.order { + p := prop.Prop[i] + if p.enc != nil { + err := p.enc(o, p, base) + if err != nil { + if err == ErrNil { + if p.Required && state.err == nil { + state.err = &RequiredNotSetError{p.Name} + } + } else if err == errRepeatedHasNil { + // Give more context to nil values in repeated fields. + return errors.New("repeated field " + p.OrigName + " has nil element") + } else if !state.shouldContinue(err, p) { + return err + } + } + if len(o.buf) > maxMarshalSize { + return ErrTooLarge + } + } + } + + // Do oneof fields. + if prop.oneofMarshaler != nil { + m := structPointer_Interface(base, prop.stype).(Message) + if err := prop.oneofMarshaler(m, o); err == ErrNil { + return errOneofHasNil + } else if err != nil { + return err + } + } + + // Add unrecognized fields at the end. + if prop.unrecField.IsValid() { + v := *structPointer_Bytes(base, prop.unrecField) + if len(o.buf)+len(v) > maxMarshalSize { + return ErrTooLarge + } + if len(v) > 0 { + o.buf = append(o.buf, v...) + } + } + + return state.err +} + +func size_struct(prop *StructProperties, base structPointer) (n int) { + for _, i := range prop.order { + p := prop.Prop[i] + if p.size != nil { + n += p.size(p, base) + } + } + + // Add unrecognized fields at the end. + if prop.unrecField.IsValid() { + v := *structPointer_Bytes(base, prop.unrecField) + n += len(v) + } + + // Factor in any oneof fields. + if prop.oneofSizer != nil { + m := structPointer_Interface(base, prop.stype).(Message) + n += prop.oneofSizer(m) + } + + return +} + +var zeroes [20]byte // longer than any conceivable sizeVarint + +// Encode a struct, preceded by its encoded length (as a varint). +func (o *Buffer) enc_len_struct(prop *StructProperties, base structPointer, state *errorState) error { + return o.enc_len_thing(func() error { return o.enc_struct(prop, base) }, state) +} + +// Encode something, preceded by its encoded length (as a varint). +func (o *Buffer) enc_len_thing(enc func() error, state *errorState) error { + iLen := len(o.buf) + o.buf = append(o.buf, 0, 0, 0, 0) // reserve four bytes for length + iMsg := len(o.buf) + err := enc() + if err != nil && !state.shouldContinue(err, nil) { + return err + } + lMsg := len(o.buf) - iMsg + lLen := sizeVarint(uint64(lMsg)) + switch x := lLen - (iMsg - iLen); { + case x > 0: // actual length is x bytes larger than the space we reserved + // Move msg x bytes right. + o.buf = append(o.buf, zeroes[:x]...) + copy(o.buf[iMsg+x:], o.buf[iMsg:iMsg+lMsg]) + case x < 0: // actual length is x bytes smaller than the space we reserved + // Move msg x bytes left. + copy(o.buf[iMsg+x:], o.buf[iMsg:iMsg+lMsg]) + o.buf = o.buf[:len(o.buf)+x] // x is negative + } + // Encode the length in the reserved space. + o.buf = o.buf[:iLen] + o.EncodeVarint(uint64(lMsg)) + o.buf = o.buf[:len(o.buf)+lMsg] + return state.err +} + +// errorState maintains the first error that occurs and updates that error +// with additional context. +type errorState struct { + err error +} + +// shouldContinue reports whether encoding should continue upon encountering the +// given error. If the error is RequiredNotSetError, shouldContinue returns true +// and, if this is the first appearance of that error, remembers it for future +// reporting. +// +// If prop is not nil, it may update any error with additional context about the +// field with the error. +func (s *errorState) shouldContinue(err error, prop *Properties) bool { + // Ignore unset required fields. + reqNotSet, ok := err.(*RequiredNotSetError) + if !ok { + return false + } + if s.err == nil { + if prop != nil { + err = &RequiredNotSetError{prop.Name + "." + reqNotSet.field} + } + s.err = err + } + return true +} diff --git a/vendor/github.com/golang/protobuf/proto/equal.go b/vendor/github.com/golang/protobuf/proto/equal.go new file mode 100644 index 0000000..2ed1cf5 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/equal.go @@ -0,0 +1,300 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2011 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Protocol buffer comparison. + +package proto + +import ( + "bytes" + "log" + "reflect" + "strings" +) + +/* +Equal returns true iff protocol buffers a and b are equal. +The arguments must both be pointers to protocol buffer structs. + +Equality is defined in this way: + - Two messages are equal iff they are the same type, + corresponding fields are equal, unknown field sets + are equal, and extensions sets are equal. + - Two set scalar fields are equal iff their values are equal. + If the fields are of a floating-point type, remember that + NaN != x for all x, including NaN. If the message is defined + in a proto3 .proto file, fields are not "set"; specifically, + zero length proto3 "bytes" fields are equal (nil == {}). + - Two repeated fields are equal iff their lengths are the same, + and their corresponding elements are equal. Note a "bytes" field, + although represented by []byte, is not a repeated field and the + rule for the scalar fields described above applies. + - Two unset fields are equal. + - Two unknown field sets are equal if their current + encoded state is equal. + - Two extension sets are equal iff they have corresponding + elements that are pairwise equal. + - Two map fields are equal iff their lengths are the same, + and they contain the same set of elements. Zero-length map + fields are equal. + - Every other combination of things are not equal. + +The return value is undefined if a and b are not protocol buffers. +*/ +func Equal(a, b Message) bool { + if a == nil || b == nil { + return a == b + } + v1, v2 := reflect.ValueOf(a), reflect.ValueOf(b) + if v1.Type() != v2.Type() { + return false + } + if v1.Kind() == reflect.Ptr { + if v1.IsNil() { + return v2.IsNil() + } + if v2.IsNil() { + return false + } + v1, v2 = v1.Elem(), v2.Elem() + } + if v1.Kind() != reflect.Struct { + return false + } + return equalStruct(v1, v2) +} + +// v1 and v2 are known to have the same type. +func equalStruct(v1, v2 reflect.Value) bool { + sprop := GetProperties(v1.Type()) + for i := 0; i < v1.NumField(); i++ { + f := v1.Type().Field(i) + if strings.HasPrefix(f.Name, "XXX_") { + continue + } + f1, f2 := v1.Field(i), v2.Field(i) + if f.Type.Kind() == reflect.Ptr { + if n1, n2 := f1.IsNil(), f2.IsNil(); n1 && n2 { + // both unset + continue + } else if n1 != n2 { + // set/unset mismatch + return false + } + b1, ok := f1.Interface().(raw) + if ok { + b2 := f2.Interface().(raw) + // RawMessage + if !bytes.Equal(b1.Bytes(), b2.Bytes()) { + return false + } + continue + } + f1, f2 = f1.Elem(), f2.Elem() + } + if !equalAny(f1, f2, sprop.Prop[i]) { + return false + } + } + + if em1 := v1.FieldByName("XXX_InternalExtensions"); em1.IsValid() { + em2 := v2.FieldByName("XXX_InternalExtensions") + if !equalExtensions(v1.Type(), em1.Interface().(XXX_InternalExtensions), em2.Interface().(XXX_InternalExtensions)) { + return false + } + } + + if em1 := v1.FieldByName("XXX_extensions"); em1.IsValid() { + em2 := v2.FieldByName("XXX_extensions") + if !equalExtMap(v1.Type(), em1.Interface().(map[int32]Extension), em2.Interface().(map[int32]Extension)) { + return false + } + } + + uf := v1.FieldByName("XXX_unrecognized") + if !uf.IsValid() { + return true + } + + u1 := uf.Bytes() + u2 := v2.FieldByName("XXX_unrecognized").Bytes() + if !bytes.Equal(u1, u2) { + return false + } + + return true +} + +// v1 and v2 are known to have the same type. +// prop may be nil. +func equalAny(v1, v2 reflect.Value, prop *Properties) bool { + if v1.Type() == protoMessageType { + m1, _ := v1.Interface().(Message) + m2, _ := v2.Interface().(Message) + return Equal(m1, m2) + } + switch v1.Kind() { + case reflect.Bool: + return v1.Bool() == v2.Bool() + case reflect.Float32, reflect.Float64: + return v1.Float() == v2.Float() + case reflect.Int32, reflect.Int64: + return v1.Int() == v2.Int() + case reflect.Interface: + // Probably a oneof field; compare the inner values. + n1, n2 := v1.IsNil(), v2.IsNil() + if n1 || n2 { + return n1 == n2 + } + e1, e2 := v1.Elem(), v2.Elem() + if e1.Type() != e2.Type() { + return false + } + return equalAny(e1, e2, nil) + case reflect.Map: + if v1.Len() != v2.Len() { + return false + } + for _, key := range v1.MapKeys() { + val2 := v2.MapIndex(key) + if !val2.IsValid() { + // This key was not found in the second map. + return false + } + if !equalAny(v1.MapIndex(key), val2, nil) { + return false + } + } + return true + case reflect.Ptr: + // Maps may have nil values in them, so check for nil. + if v1.IsNil() && v2.IsNil() { + return true + } + if v1.IsNil() != v2.IsNil() { + return false + } + return equalAny(v1.Elem(), v2.Elem(), prop) + case reflect.Slice: + if v1.Type().Elem().Kind() == reflect.Uint8 { + // short circuit: []byte + + // Edge case: if this is in a proto3 message, a zero length + // bytes field is considered the zero value. + if prop != nil && prop.proto3 && v1.Len() == 0 && v2.Len() == 0 { + return true + } + if v1.IsNil() != v2.IsNil() { + return false + } + return bytes.Equal(v1.Interface().([]byte), v2.Interface().([]byte)) + } + + if v1.Len() != v2.Len() { + return false + } + for i := 0; i < v1.Len(); i++ { + if !equalAny(v1.Index(i), v2.Index(i), prop) { + return false + } + } + return true + case reflect.String: + return v1.Interface().(string) == v2.Interface().(string) + case reflect.Struct: + return equalStruct(v1, v2) + case reflect.Uint32, reflect.Uint64: + return v1.Uint() == v2.Uint() + } + + // unknown type, so not a protocol buffer + log.Printf("proto: don't know how to compare %v", v1) + return false +} + +// base is the struct type that the extensions are based on. +// x1 and x2 are InternalExtensions. +func equalExtensions(base reflect.Type, x1, x2 XXX_InternalExtensions) bool { + em1, _ := x1.extensionsRead() + em2, _ := x2.extensionsRead() + return equalExtMap(base, em1, em2) +} + +func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool { + if len(em1) != len(em2) { + return false + } + + for extNum, e1 := range em1 { + e2, ok := em2[extNum] + if !ok { + return false + } + + m1, m2 := e1.value, e2.value + + if m1 != nil && m2 != nil { + // Both are unencoded. + if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) { + return false + } + continue + } + + // At least one is encoded. To do a semantically correct comparison + // we need to unmarshal them first. + var desc *ExtensionDesc + if m := extensionMaps[base]; m != nil { + desc = m[extNum] + } + if desc == nil { + log.Printf("proto: don't know how to compare extension %d of %v", extNum, base) + continue + } + var err error + if m1 == nil { + m1, err = decodeExtension(e1.enc, desc) + } + if m2 == nil && err == nil { + m2, err = decodeExtension(e2.enc, desc) + } + if err != nil { + // The encoded form is invalid. + log.Printf("proto: badly encoded extension %d of %v: %v", extNum, base, err) + return false + } + if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) { + return false + } + } + + return true +} diff --git a/vendor/github.com/golang/protobuf/proto/extensions.go b/vendor/github.com/golang/protobuf/proto/extensions.go new file mode 100644 index 0000000..eaad218 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/extensions.go @@ -0,0 +1,587 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2010 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +/* + * Types and routines for supporting protocol buffer extensions. + */ + +import ( + "errors" + "fmt" + "reflect" + "strconv" + "sync" +) + +// ErrMissingExtension is the error returned by GetExtension if the named extension is not in the message. +var ErrMissingExtension = errors.New("proto: missing extension") + +// ExtensionRange represents a range of message extensions for a protocol buffer. +// Used in code generated by the protocol compiler. +type ExtensionRange struct { + Start, End int32 // both inclusive +} + +// extendableProto is an interface implemented by any protocol buffer generated by the current +// proto compiler that may be extended. +type extendableProto interface { + Message + ExtensionRangeArray() []ExtensionRange + extensionsWrite() map[int32]Extension + extensionsRead() (map[int32]Extension, sync.Locker) +} + +// extendableProtoV1 is an interface implemented by a protocol buffer generated by the previous +// version of the proto compiler that may be extended. +type extendableProtoV1 interface { + Message + ExtensionRangeArray() []ExtensionRange + ExtensionMap() map[int32]Extension +} + +// extensionAdapter is a wrapper around extendableProtoV1 that implements extendableProto. +type extensionAdapter struct { + extendableProtoV1 +} + +func (e extensionAdapter) extensionsWrite() map[int32]Extension { + return e.ExtensionMap() +} + +func (e extensionAdapter) extensionsRead() (map[int32]Extension, sync.Locker) { + return e.ExtensionMap(), notLocker{} +} + +// notLocker is a sync.Locker whose Lock and Unlock methods are nops. +type notLocker struct{} + +func (n notLocker) Lock() {} +func (n notLocker) Unlock() {} + +// extendable returns the extendableProto interface for the given generated proto message. +// If the proto message has the old extension format, it returns a wrapper that implements +// the extendableProto interface. +func extendable(p interface{}) (extendableProto, bool) { + if ep, ok := p.(extendableProto); ok { + return ep, ok + } + if ep, ok := p.(extendableProtoV1); ok { + return extensionAdapter{ep}, ok + } + return nil, false +} + +// XXX_InternalExtensions is an internal representation of proto extensions. +// +// Each generated message struct type embeds an anonymous XXX_InternalExtensions field, +// thus gaining the unexported 'extensions' method, which can be called only from the proto package. +// +// The methods of XXX_InternalExtensions are not concurrency safe in general, +// but calls to logically read-only methods such as has and get may be executed concurrently. +type XXX_InternalExtensions struct { + // The struct must be indirect so that if a user inadvertently copies a + // generated message and its embedded XXX_InternalExtensions, they + // avoid the mayhem of a copied mutex. + // + // The mutex serializes all logically read-only operations to p.extensionMap. + // It is up to the client to ensure that write operations to p.extensionMap are + // mutually exclusive with other accesses. + p *struct { + mu sync.Mutex + extensionMap map[int32]Extension + } +} + +// extensionsWrite returns the extension map, creating it on first use. +func (e *XXX_InternalExtensions) extensionsWrite() map[int32]Extension { + if e.p == nil { + e.p = new(struct { + mu sync.Mutex + extensionMap map[int32]Extension + }) + e.p.extensionMap = make(map[int32]Extension) + } + return e.p.extensionMap +} + +// extensionsRead returns the extensions map for read-only use. It may be nil. +// The caller must hold the returned mutex's lock when accessing Elements within the map. +func (e *XXX_InternalExtensions) extensionsRead() (map[int32]Extension, sync.Locker) { + if e.p == nil { + return nil, nil + } + return e.p.extensionMap, &e.p.mu +} + +var extendableProtoType = reflect.TypeOf((*extendableProto)(nil)).Elem() +var extendableProtoV1Type = reflect.TypeOf((*extendableProtoV1)(nil)).Elem() + +// ExtensionDesc represents an extension specification. +// Used in generated code from the protocol compiler. +type ExtensionDesc struct { + ExtendedType Message // nil pointer to the type that is being extended + ExtensionType interface{} // nil pointer to the extension type + Field int32 // field number + Name string // fully-qualified name of extension, for text formatting + Tag string // protobuf tag style + Filename string // name of the file in which the extension is defined +} + +func (ed *ExtensionDesc) repeated() bool { + t := reflect.TypeOf(ed.ExtensionType) + return t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 +} + +// Extension represents an extension in a message. +type Extension struct { + // When an extension is stored in a message using SetExtension + // only desc and value are set. When the message is marshaled + // enc will be set to the encoded form of the message. + // + // When a message is unmarshaled and contains extensions, each + // extension will have only enc set. When such an extension is + // accessed using GetExtension (or GetExtensions) desc and value + // will be set. + desc *ExtensionDesc + value interface{} + enc []byte +} + +// SetRawExtension is for testing only. +func SetRawExtension(base Message, id int32, b []byte) { + epb, ok := extendable(base) + if !ok { + return + } + extmap := epb.extensionsWrite() + extmap[id] = Extension{enc: b} +} + +// isExtensionField returns true iff the given field number is in an extension range. +func isExtensionField(pb extendableProto, field int32) bool { + for _, er := range pb.ExtensionRangeArray() { + if er.Start <= field && field <= er.End { + return true + } + } + return false +} + +// checkExtensionTypes checks that the given extension is valid for pb. +func checkExtensionTypes(pb extendableProto, extension *ExtensionDesc) error { + var pbi interface{} = pb + // Check the extended type. + if ea, ok := pbi.(extensionAdapter); ok { + pbi = ea.extendableProtoV1 + } + if a, b := reflect.TypeOf(pbi), reflect.TypeOf(extension.ExtendedType); a != b { + return errors.New("proto: bad extended type; " + b.String() + " does not extend " + a.String()) + } + // Check the range. + if !isExtensionField(pb, extension.Field) { + return errors.New("proto: bad extension number; not in declared ranges") + } + return nil +} + +// extPropKey is sufficient to uniquely identify an extension. +type extPropKey struct { + base reflect.Type + field int32 +} + +var extProp = struct { + sync.RWMutex + m map[extPropKey]*Properties +}{ + m: make(map[extPropKey]*Properties), +} + +func extensionProperties(ed *ExtensionDesc) *Properties { + key := extPropKey{base: reflect.TypeOf(ed.ExtendedType), field: ed.Field} + + extProp.RLock() + if prop, ok := extProp.m[key]; ok { + extProp.RUnlock() + return prop + } + extProp.RUnlock() + + extProp.Lock() + defer extProp.Unlock() + // Check again. + if prop, ok := extProp.m[key]; ok { + return prop + } + + prop := new(Properties) + prop.Init(reflect.TypeOf(ed.ExtensionType), "unknown_name", ed.Tag, nil) + extProp.m[key] = prop + return prop +} + +// encode encodes any unmarshaled (unencoded) extensions in e. +func encodeExtensions(e *XXX_InternalExtensions) error { + m, mu := e.extensionsRead() + if m == nil { + return nil // fast path + } + mu.Lock() + defer mu.Unlock() + return encodeExtensionsMap(m) +} + +// encode encodes any unmarshaled (unencoded) extensions in e. +func encodeExtensionsMap(m map[int32]Extension) error { + for k, e := range m { + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + et := reflect.TypeOf(e.desc.ExtensionType) + props := extensionProperties(e.desc) + + p := NewBuffer(nil) + // If e.value has type T, the encoder expects a *struct{ X T }. + // Pass a *T with a zero field and hope it all works out. + x := reflect.New(et) + x.Elem().Set(reflect.ValueOf(e.value)) + if err := props.enc(p, props, toStructPointer(x)); err != nil { + return err + } + e.enc = p.buf + m[k] = e + } + return nil +} + +func extensionsSize(e *XXX_InternalExtensions) (n int) { + m, mu := e.extensionsRead() + if m == nil { + return 0 + } + mu.Lock() + defer mu.Unlock() + return extensionsMapSize(m) +} + +func extensionsMapSize(m map[int32]Extension) (n int) { + for _, e := range m { + if e.value == nil || e.desc == nil { + // Extension is only in its encoded form. + n += len(e.enc) + continue + } + + // We don't skip extensions that have an encoded form set, + // because the extension value may have been mutated after + // the last time this function was called. + + et := reflect.TypeOf(e.desc.ExtensionType) + props := extensionProperties(e.desc) + + // If e.value has type T, the encoder expects a *struct{ X T }. + // Pass a *T with a zero field and hope it all works out. + x := reflect.New(et) + x.Elem().Set(reflect.ValueOf(e.value)) + n += props.size(props, toStructPointer(x)) + } + return +} + +// HasExtension returns whether the given extension is present in pb. +func HasExtension(pb Message, extension *ExtensionDesc) bool { + // TODO: Check types, field numbers, etc.? + epb, ok := extendable(pb) + if !ok { + return false + } + extmap, mu := epb.extensionsRead() + if extmap == nil { + return false + } + mu.Lock() + _, ok = extmap[extension.Field] + mu.Unlock() + return ok +} + +// ClearExtension removes the given extension from pb. +func ClearExtension(pb Message, extension *ExtensionDesc) { + epb, ok := extendable(pb) + if !ok { + return + } + // TODO: Check types, field numbers, etc.? + extmap := epb.extensionsWrite() + delete(extmap, extension.Field) +} + +// GetExtension parses and returns the given extension of pb. +// If the extension is not present and has no default value it returns ErrMissingExtension. +func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) { + epb, ok := extendable(pb) + if !ok { + return nil, errors.New("proto: not an extendable proto") + } + + if err := checkExtensionTypes(epb, extension); err != nil { + return nil, err + } + + emap, mu := epb.extensionsRead() + if emap == nil { + return defaultExtensionValue(extension) + } + mu.Lock() + defer mu.Unlock() + e, ok := emap[extension.Field] + if !ok { + // defaultExtensionValue returns the default value or + // ErrMissingExtension if there is no default. + return defaultExtensionValue(extension) + } + + if e.value != nil { + // Already decoded. Check the descriptor, though. + if e.desc != extension { + // This shouldn't happen. If it does, it means that + // GetExtension was called twice with two different + // descriptors with the same field number. + return nil, errors.New("proto: descriptor conflict") + } + return e.value, nil + } + + v, err := decodeExtension(e.enc, extension) + if err != nil { + return nil, err + } + + // Remember the decoded version and drop the encoded version. + // That way it is safe to mutate what we return. + e.value = v + e.desc = extension + e.enc = nil + emap[extension.Field] = e + return e.value, nil +} + +// defaultExtensionValue returns the default value for extension. +// If no default for an extension is defined ErrMissingExtension is returned. +func defaultExtensionValue(extension *ExtensionDesc) (interface{}, error) { + t := reflect.TypeOf(extension.ExtensionType) + props := extensionProperties(extension) + + sf, _, err := fieldDefault(t, props) + if err != nil { + return nil, err + } + + if sf == nil || sf.value == nil { + // There is no default value. + return nil, ErrMissingExtension + } + + if t.Kind() != reflect.Ptr { + // We do not need to return a Ptr, we can directly return sf.value. + return sf.value, nil + } + + // We need to return an interface{} that is a pointer to sf.value. + value := reflect.New(t).Elem() + value.Set(reflect.New(value.Type().Elem())) + if sf.kind == reflect.Int32 { + // We may have an int32 or an enum, but the underlying data is int32. + // Since we can't set an int32 into a non int32 reflect.value directly + // set it as a int32. + value.Elem().SetInt(int64(sf.value.(int32))) + } else { + value.Elem().Set(reflect.ValueOf(sf.value)) + } + return value.Interface(), nil +} + +// decodeExtension decodes an extension encoded in b. +func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) { + o := NewBuffer(b) + + t := reflect.TypeOf(extension.ExtensionType) + + props := extensionProperties(extension) + + // t is a pointer to a struct, pointer to basic type or a slice. + // Allocate a "field" to store the pointer/slice itself; the + // pointer/slice will be stored here. We pass + // the address of this field to props.dec. + // This passes a zero field and a *t and lets props.dec + // interpret it as a *struct{ x t }. + value := reflect.New(t).Elem() + + for { + // Discard wire type and field number varint. It isn't needed. + if _, err := o.DecodeVarint(); err != nil { + return nil, err + } + + if err := props.dec(o, props, toStructPointer(value.Addr())); err != nil { + return nil, err + } + + if o.index >= len(o.buf) { + break + } + } + return value.Interface(), nil +} + +// GetExtensions returns a slice of the extensions present in pb that are also listed in es. +// The returned slice has the same length as es; missing extensions will appear as nil elements. +func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, err error) { + epb, ok := extendable(pb) + if !ok { + return nil, errors.New("proto: not an extendable proto") + } + extensions = make([]interface{}, len(es)) + for i, e := range es { + extensions[i], err = GetExtension(epb, e) + if err == ErrMissingExtension { + err = nil + } + if err != nil { + return + } + } + return +} + +// ExtensionDescs returns a new slice containing pb's extension descriptors, in undefined order. +// For non-registered extensions, ExtensionDescs returns an incomplete descriptor containing +// just the Field field, which defines the extension's field number. +func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) { + epb, ok := extendable(pb) + if !ok { + return nil, fmt.Errorf("proto: %T is not an extendable proto.Message", pb) + } + registeredExtensions := RegisteredExtensions(pb) + + emap, mu := epb.extensionsRead() + if emap == nil { + return nil, nil + } + mu.Lock() + defer mu.Unlock() + extensions := make([]*ExtensionDesc, 0, len(emap)) + for extid, e := range emap { + desc := e.desc + if desc == nil { + desc = registeredExtensions[extid] + if desc == nil { + desc = &ExtensionDesc{Field: extid} + } + } + + extensions = append(extensions, desc) + } + return extensions, nil +} + +// SetExtension sets the specified extension of pb to the specified value. +func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error { + epb, ok := extendable(pb) + if !ok { + return errors.New("proto: not an extendable proto") + } + if err := checkExtensionTypes(epb, extension); err != nil { + return err + } + typ := reflect.TypeOf(extension.ExtensionType) + if typ != reflect.TypeOf(value) { + return errors.New("proto: bad extension value type") + } + // nil extension values need to be caught early, because the + // encoder can't distinguish an ErrNil due to a nil extension + // from an ErrNil due to a missing field. Extensions are + // always optional, so the encoder would just swallow the error + // and drop all the extensions from the encoded message. + if reflect.ValueOf(value).IsNil() { + return fmt.Errorf("proto: SetExtension called with nil value of type %T", value) + } + + extmap := epb.extensionsWrite() + extmap[extension.Field] = Extension{desc: extension, value: value} + return nil +} + +// ClearAllExtensions clears all extensions from pb. +func ClearAllExtensions(pb Message) { + epb, ok := extendable(pb) + if !ok { + return + } + m := epb.extensionsWrite() + for k := range m { + delete(m, k) + } +} + +// A global registry of extensions. +// The generated code will register the generated descriptors by calling RegisterExtension. + +var extensionMaps = make(map[reflect.Type]map[int32]*ExtensionDesc) + +// RegisterExtension is called from the generated code. +func RegisterExtension(desc *ExtensionDesc) { + st := reflect.TypeOf(desc.ExtendedType).Elem() + m := extensionMaps[st] + if m == nil { + m = make(map[int32]*ExtensionDesc) + extensionMaps[st] = m + } + if _, ok := m[desc.Field]; ok { + panic("proto: duplicate extension registered: " + st.String() + " " + strconv.Itoa(int(desc.Field))) + } + m[desc.Field] = desc +} + +// RegisteredExtensions returns a map of the registered extensions of a +// protocol buffer struct, indexed by the extension number. +// The argument pb should be a nil pointer to the struct type. +func RegisteredExtensions(pb Message) map[int32]*ExtensionDesc { + return extensionMaps[reflect.TypeOf(pb).Elem()] +} diff --git a/vendor/github.com/golang/protobuf/proto/lib.go b/vendor/github.com/golang/protobuf/proto/lib.go new file mode 100644 index 0000000..1c22550 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/lib.go @@ -0,0 +1,897 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2010 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +/* +Package proto converts data structures to and from the wire format of +protocol buffers. It works in concert with the Go source code generated +for .proto files by the protocol compiler. + +A summary of the properties of the protocol buffer interface +for a protocol buffer variable v: + + - Names are turned from camel_case to CamelCase for export. + - There are no methods on v to set fields; just treat + them as structure fields. + - There are getters that return a field's value if set, + and return the field's default value if unset. + The getters work even if the receiver is a nil message. + - The zero value for a struct is its correct initialization state. + All desired fields must be set before marshaling. + - A Reset() method will restore a protobuf struct to its zero state. + - Non-repeated fields are pointers to the values; nil means unset. + That is, optional or required field int32 f becomes F *int32. + - Repeated fields are slices. + - Helper functions are available to aid the setting of fields. + msg.Foo = proto.String("hello") // set field + - Constants are defined to hold the default values of all fields that + have them. They have the form Default_StructName_FieldName. + Because the getter methods handle defaulted values, + direct use of these constants should be rare. + - Enums are given type names and maps from names to values. + Enum values are prefixed by the enclosing message's name, or by the + enum's type name if it is a top-level enum. Enum types have a String + method, and a Enum method to assist in message construction. + - Nested messages, groups and enums have type names prefixed with the name of + the surrounding message type. + - Extensions are given descriptor names that start with E_, + followed by an underscore-delimited list of the nested messages + that contain it (if any) followed by the CamelCased name of the + extension field itself. HasExtension, ClearExtension, GetExtension + and SetExtension are functions for manipulating extensions. + - Oneof field sets are given a single field in their message, + with distinguished wrapper types for each possible field value. + - Marshal and Unmarshal are functions to encode and decode the wire format. + +When the .proto file specifies `syntax="proto3"`, there are some differences: + + - Non-repeated fields of non-message type are values instead of pointers. + - Enum types do not get an Enum method. + +The simplest way to describe this is to see an example. +Given file test.proto, containing + + package example; + + enum FOO { X = 17; } + + message Test { + required string label = 1; + optional int32 type = 2 [default=77]; + repeated int64 reps = 3; + optional group OptionalGroup = 4 { + required string RequiredField = 5; + } + oneof union { + int32 number = 6; + string name = 7; + } + } + +The resulting file, test.pb.go, is: + + package example + + import proto "github.com/golang/protobuf/proto" + import math "math" + + type FOO int32 + const ( + FOO_X FOO = 17 + ) + var FOO_name = map[int32]string{ + 17: "X", + } + var FOO_value = map[string]int32{ + "X": 17, + } + + func (x FOO) Enum() *FOO { + p := new(FOO) + *p = x + return p + } + func (x FOO) String() string { + return proto.EnumName(FOO_name, int32(x)) + } + func (x *FOO) UnmarshalJSON(data []byte) error { + value, err := proto.UnmarshalJSONEnum(FOO_value, data) + if err != nil { + return err + } + *x = FOO(value) + return nil + } + + type Test struct { + Label *string `protobuf:"bytes,1,req,name=label" json:"label,omitempty"` + Type *int32 `protobuf:"varint,2,opt,name=type,def=77" json:"type,omitempty"` + Reps []int64 `protobuf:"varint,3,rep,name=reps" json:"reps,omitempty"` + Optionalgroup *Test_OptionalGroup `protobuf:"group,4,opt,name=OptionalGroup" json:"optionalgroup,omitempty"` + // Types that are valid to be assigned to Union: + // *Test_Number + // *Test_Name + Union isTest_Union `protobuf_oneof:"union"` + XXX_unrecognized []byte `json:"-"` + } + func (m *Test) Reset() { *m = Test{} } + func (m *Test) String() string { return proto.CompactTextString(m) } + func (*Test) ProtoMessage() {} + + type isTest_Union interface { + isTest_Union() + } + + type Test_Number struct { + Number int32 `protobuf:"varint,6,opt,name=number"` + } + type Test_Name struct { + Name string `protobuf:"bytes,7,opt,name=name"` + } + + func (*Test_Number) isTest_Union() {} + func (*Test_Name) isTest_Union() {} + + func (m *Test) GetUnion() isTest_Union { + if m != nil { + return m.Union + } + return nil + } + const Default_Test_Type int32 = 77 + + func (m *Test) GetLabel() string { + if m != nil && m.Label != nil { + return *m.Label + } + return "" + } + + func (m *Test) GetType() int32 { + if m != nil && m.Type != nil { + return *m.Type + } + return Default_Test_Type + } + + func (m *Test) GetOptionalgroup() *Test_OptionalGroup { + if m != nil { + return m.Optionalgroup + } + return nil + } + + type Test_OptionalGroup struct { + RequiredField *string `protobuf:"bytes,5,req" json:"RequiredField,omitempty"` + } + func (m *Test_OptionalGroup) Reset() { *m = Test_OptionalGroup{} } + func (m *Test_OptionalGroup) String() string { return proto.CompactTextString(m) } + + func (m *Test_OptionalGroup) GetRequiredField() string { + if m != nil && m.RequiredField != nil { + return *m.RequiredField + } + return "" + } + + func (m *Test) GetNumber() int32 { + if x, ok := m.GetUnion().(*Test_Number); ok { + return x.Number + } + return 0 + } + + func (m *Test) GetName() string { + if x, ok := m.GetUnion().(*Test_Name); ok { + return x.Name + } + return "" + } + + func init() { + proto.RegisterEnum("example.FOO", FOO_name, FOO_value) + } + +To create and play with a Test object: + + package main + + import ( + "log" + + "github.com/golang/protobuf/proto" + pb "./example.pb" + ) + + func main() { + test := &pb.Test{ + Label: proto.String("hello"), + Type: proto.Int32(17), + Reps: []int64{1, 2, 3}, + Optionalgroup: &pb.Test_OptionalGroup{ + RequiredField: proto.String("good bye"), + }, + Union: &pb.Test_Name{"fred"}, + } + data, err := proto.Marshal(test) + if err != nil { + log.Fatal("marshaling error: ", err) + } + newTest := &pb.Test{} + err = proto.Unmarshal(data, newTest) + if err != nil { + log.Fatal("unmarshaling error: ", err) + } + // Now test and newTest contain the same data. + if test.GetLabel() != newTest.GetLabel() { + log.Fatalf("data mismatch %q != %q", test.GetLabel(), newTest.GetLabel()) + } + // Use a type switch to determine which oneof was set. + switch u := test.Union.(type) { + case *pb.Test_Number: // u.Number contains the number. + case *pb.Test_Name: // u.Name contains the string. + } + // etc. + } +*/ +package proto + +import ( + "encoding/json" + "fmt" + "log" + "reflect" + "sort" + "strconv" + "sync" +) + +// Message is implemented by generated protocol buffer messages. +type Message interface { + Reset() + String() string + ProtoMessage() +} + +// Stats records allocation details about the protocol buffer encoders +// and decoders. Useful for tuning the library itself. +type Stats struct { + Emalloc uint64 // mallocs in encode + Dmalloc uint64 // mallocs in decode + Encode uint64 // number of encodes + Decode uint64 // number of decodes + Chit uint64 // number of cache hits + Cmiss uint64 // number of cache misses + Size uint64 // number of sizes +} + +// Set to true to enable stats collection. +const collectStats = false + +var stats Stats + +// GetStats returns a copy of the global Stats structure. +func GetStats() Stats { return stats } + +// A Buffer is a buffer manager for marshaling and unmarshaling +// protocol buffers. It may be reused between invocations to +// reduce memory usage. It is not necessary to use a Buffer; +// the global functions Marshal and Unmarshal create a +// temporary Buffer and are fine for most applications. +type Buffer struct { + buf []byte // encode/decode byte stream + index int // read point + + // pools of basic types to amortize allocation. + bools []bool + uint32s []uint32 + uint64s []uint64 + + // extra pools, only used with pointer_reflect.go + int32s []int32 + int64s []int64 + float32s []float32 + float64s []float64 +} + +// NewBuffer allocates a new Buffer and initializes its internal data to +// the contents of the argument slice. +func NewBuffer(e []byte) *Buffer { + return &Buffer{buf: e} +} + +// Reset resets the Buffer, ready for marshaling a new protocol buffer. +func (p *Buffer) Reset() { + p.buf = p.buf[0:0] // for reading/writing + p.index = 0 // for reading +} + +// SetBuf replaces the internal buffer with the slice, +// ready for unmarshaling the contents of the slice. +func (p *Buffer) SetBuf(s []byte) { + p.buf = s + p.index = 0 +} + +// Bytes returns the contents of the Buffer. +func (p *Buffer) Bytes() []byte { return p.buf } + +/* + * Helper routines for simplifying the creation of optional fields of basic type. + */ + +// Bool is a helper routine that allocates a new bool value +// to store v and returns a pointer to it. +func Bool(v bool) *bool { + return &v +} + +// Int32 is a helper routine that allocates a new int32 value +// to store v and returns a pointer to it. +func Int32(v int32) *int32 { + return &v +} + +// Int is a helper routine that allocates a new int32 value +// to store v and returns a pointer to it, but unlike Int32 +// its argument value is an int. +func Int(v int) *int32 { + p := new(int32) + *p = int32(v) + return p +} + +// Int64 is a helper routine that allocates a new int64 value +// to store v and returns a pointer to it. +func Int64(v int64) *int64 { + return &v +} + +// Float32 is a helper routine that allocates a new float32 value +// to store v and returns a pointer to it. +func Float32(v float32) *float32 { + return &v +} + +// Float64 is a helper routine that allocates a new float64 value +// to store v and returns a pointer to it. +func Float64(v float64) *float64 { + return &v +} + +// Uint32 is a helper routine that allocates a new uint32 value +// to store v and returns a pointer to it. +func Uint32(v uint32) *uint32 { + return &v +} + +// Uint64 is a helper routine that allocates a new uint64 value +// to store v and returns a pointer to it. +func Uint64(v uint64) *uint64 { + return &v +} + +// String is a helper routine that allocates a new string value +// to store v and returns a pointer to it. +func String(v string) *string { + return &v +} + +// EnumName is a helper function to simplify printing protocol buffer enums +// by name. Given an enum map and a value, it returns a useful string. +func EnumName(m map[int32]string, v int32) string { + s, ok := m[v] + if ok { + return s + } + return strconv.Itoa(int(v)) +} + +// UnmarshalJSONEnum is a helper function to simplify recovering enum int values +// from their JSON-encoded representation. Given a map from the enum's symbolic +// names to its int values, and a byte buffer containing the JSON-encoded +// value, it returns an int32 that can be cast to the enum type by the caller. +// +// The function can deal with both JSON representations, numeric and symbolic. +func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) { + if data[0] == '"' { + // New style: enums are strings. + var repr string + if err := json.Unmarshal(data, &repr); err != nil { + return -1, err + } + val, ok := m[repr] + if !ok { + return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr) + } + return val, nil + } + // Old style: enums are ints. + var val int32 + if err := json.Unmarshal(data, &val); err != nil { + return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName) + } + return val, nil +} + +// DebugPrint dumps the encoded data in b in a debugging format with a header +// including the string s. Used in testing but made available for general debugging. +func (p *Buffer) DebugPrint(s string, b []byte) { + var u uint64 + + obuf := p.buf + index := p.index + p.buf = b + p.index = 0 + depth := 0 + + fmt.Printf("\n--- %s ---\n", s) + +out: + for { + for i := 0; i < depth; i++ { + fmt.Print(" ") + } + + index := p.index + if index == len(p.buf) { + break + } + + op, err := p.DecodeVarint() + if err != nil { + fmt.Printf("%3d: fetching op err %v\n", index, err) + break out + } + tag := op >> 3 + wire := op & 7 + + switch wire { + default: + fmt.Printf("%3d: t=%3d unknown wire=%d\n", + index, tag, wire) + break out + + case WireBytes: + var r []byte + + r, err = p.DecodeRawBytes(false) + if err != nil { + break out + } + fmt.Printf("%3d: t=%3d bytes [%d]", index, tag, len(r)) + if len(r) <= 6 { + for i := 0; i < len(r); i++ { + fmt.Printf(" %.2x", r[i]) + } + } else { + for i := 0; i < 3; i++ { + fmt.Printf(" %.2x", r[i]) + } + fmt.Printf(" ..") + for i := len(r) - 3; i < len(r); i++ { + fmt.Printf(" %.2x", r[i]) + } + } + fmt.Printf("\n") + + case WireFixed32: + u, err = p.DecodeFixed32() + if err != nil { + fmt.Printf("%3d: t=%3d fix32 err %v\n", index, tag, err) + break out + } + fmt.Printf("%3d: t=%3d fix32 %d\n", index, tag, u) + + case WireFixed64: + u, err = p.DecodeFixed64() + if err != nil { + fmt.Printf("%3d: t=%3d fix64 err %v\n", index, tag, err) + break out + } + fmt.Printf("%3d: t=%3d fix64 %d\n", index, tag, u) + + case WireVarint: + u, err = p.DecodeVarint() + if err != nil { + fmt.Printf("%3d: t=%3d varint err %v\n", index, tag, err) + break out + } + fmt.Printf("%3d: t=%3d varint %d\n", index, tag, u) + + case WireStartGroup: + fmt.Printf("%3d: t=%3d start\n", index, tag) + depth++ + + case WireEndGroup: + depth-- + fmt.Printf("%3d: t=%3d end\n", index, tag) + } + } + + if depth != 0 { + fmt.Printf("%3d: start-end not balanced %d\n", p.index, depth) + } + fmt.Printf("\n") + + p.buf = obuf + p.index = index +} + +// SetDefaults sets unset protocol buffer fields to their default values. +// It only modifies fields that are both unset and have defined defaults. +// It recursively sets default values in any non-nil sub-messages. +func SetDefaults(pb Message) { + setDefaults(reflect.ValueOf(pb), true, false) +} + +// v is a pointer to a struct. +func setDefaults(v reflect.Value, recur, zeros bool) { + v = v.Elem() + + defaultMu.RLock() + dm, ok := defaults[v.Type()] + defaultMu.RUnlock() + if !ok { + dm = buildDefaultMessage(v.Type()) + defaultMu.Lock() + defaults[v.Type()] = dm + defaultMu.Unlock() + } + + for _, sf := range dm.scalars { + f := v.Field(sf.index) + if !f.IsNil() { + // field already set + continue + } + dv := sf.value + if dv == nil && !zeros { + // no explicit default, and don't want to set zeros + continue + } + fptr := f.Addr().Interface() // **T + // TODO: Consider batching the allocations we do here. + switch sf.kind { + case reflect.Bool: + b := new(bool) + if dv != nil { + *b = dv.(bool) + } + *(fptr.(**bool)) = b + case reflect.Float32: + f := new(float32) + if dv != nil { + *f = dv.(float32) + } + *(fptr.(**float32)) = f + case reflect.Float64: + f := new(float64) + if dv != nil { + *f = dv.(float64) + } + *(fptr.(**float64)) = f + case reflect.Int32: + // might be an enum + if ft := f.Type(); ft != int32PtrType { + // enum + f.Set(reflect.New(ft.Elem())) + if dv != nil { + f.Elem().SetInt(int64(dv.(int32))) + } + } else { + // int32 field + i := new(int32) + if dv != nil { + *i = dv.(int32) + } + *(fptr.(**int32)) = i + } + case reflect.Int64: + i := new(int64) + if dv != nil { + *i = dv.(int64) + } + *(fptr.(**int64)) = i + case reflect.String: + s := new(string) + if dv != nil { + *s = dv.(string) + } + *(fptr.(**string)) = s + case reflect.Uint8: + // exceptional case: []byte + var b []byte + if dv != nil { + db := dv.([]byte) + b = make([]byte, len(db)) + copy(b, db) + } else { + b = []byte{} + } + *(fptr.(*[]byte)) = b + case reflect.Uint32: + u := new(uint32) + if dv != nil { + *u = dv.(uint32) + } + *(fptr.(**uint32)) = u + case reflect.Uint64: + u := new(uint64) + if dv != nil { + *u = dv.(uint64) + } + *(fptr.(**uint64)) = u + default: + log.Printf("proto: can't set default for field %v (sf.kind=%v)", f, sf.kind) + } + } + + for _, ni := range dm.nested { + f := v.Field(ni) + // f is *T or []*T or map[T]*T + switch f.Kind() { + case reflect.Ptr: + if f.IsNil() { + continue + } + setDefaults(f, recur, zeros) + + case reflect.Slice: + for i := 0; i < f.Len(); i++ { + e := f.Index(i) + if e.IsNil() { + continue + } + setDefaults(e, recur, zeros) + } + + case reflect.Map: + for _, k := range f.MapKeys() { + e := f.MapIndex(k) + if e.IsNil() { + continue + } + setDefaults(e, recur, zeros) + } + } + } +} + +var ( + // defaults maps a protocol buffer struct type to a slice of the fields, + // with its scalar fields set to their proto-declared non-zero default values. + defaultMu sync.RWMutex + defaults = make(map[reflect.Type]defaultMessage) + + int32PtrType = reflect.TypeOf((*int32)(nil)) +) + +// defaultMessage represents information about the default values of a message. +type defaultMessage struct { + scalars []scalarField + nested []int // struct field index of nested messages +} + +type scalarField struct { + index int // struct field index + kind reflect.Kind // element type (the T in *T or []T) + value interface{} // the proto-declared default value, or nil +} + +// t is a struct type. +func buildDefaultMessage(t reflect.Type) (dm defaultMessage) { + sprop := GetProperties(t) + for _, prop := range sprop.Prop { + fi, ok := sprop.decoderTags.get(prop.Tag) + if !ok { + // XXX_unrecognized + continue + } + ft := t.Field(fi).Type + + sf, nested, err := fieldDefault(ft, prop) + switch { + case err != nil: + log.Print(err) + case nested: + dm.nested = append(dm.nested, fi) + case sf != nil: + sf.index = fi + dm.scalars = append(dm.scalars, *sf) + } + } + + return dm +} + +// fieldDefault returns the scalarField for field type ft. +// sf will be nil if the field can not have a default. +// nestedMessage will be true if this is a nested message. +// Note that sf.index is not set on return. +func fieldDefault(ft reflect.Type, prop *Properties) (sf *scalarField, nestedMessage bool, err error) { + var canHaveDefault bool + switch ft.Kind() { + case reflect.Ptr: + if ft.Elem().Kind() == reflect.Struct { + nestedMessage = true + } else { + canHaveDefault = true // proto2 scalar field + } + + case reflect.Slice: + switch ft.Elem().Kind() { + case reflect.Ptr: + nestedMessage = true // repeated message + case reflect.Uint8: + canHaveDefault = true // bytes field + } + + case reflect.Map: + if ft.Elem().Kind() == reflect.Ptr { + nestedMessage = true // map with message values + } + } + + if !canHaveDefault { + if nestedMessage { + return nil, true, nil + } + return nil, false, nil + } + + // We now know that ft is a pointer or slice. + sf = &scalarField{kind: ft.Elem().Kind()} + + // scalar fields without defaults + if !prop.HasDefault { + return sf, false, nil + } + + // a scalar field: either *T or []byte + switch ft.Elem().Kind() { + case reflect.Bool: + x, err := strconv.ParseBool(prop.Default) + if err != nil { + return nil, false, fmt.Errorf("proto: bad default bool %q: %v", prop.Default, err) + } + sf.value = x + case reflect.Float32: + x, err := strconv.ParseFloat(prop.Default, 32) + if err != nil { + return nil, false, fmt.Errorf("proto: bad default float32 %q: %v", prop.Default, err) + } + sf.value = float32(x) + case reflect.Float64: + x, err := strconv.ParseFloat(prop.Default, 64) + if err != nil { + return nil, false, fmt.Errorf("proto: bad default float64 %q: %v", prop.Default, err) + } + sf.value = x + case reflect.Int32: + x, err := strconv.ParseInt(prop.Default, 10, 32) + if err != nil { + return nil, false, fmt.Errorf("proto: bad default int32 %q: %v", prop.Default, err) + } + sf.value = int32(x) + case reflect.Int64: + x, err := strconv.ParseInt(prop.Default, 10, 64) + if err != nil { + return nil, false, fmt.Errorf("proto: bad default int64 %q: %v", prop.Default, err) + } + sf.value = x + case reflect.String: + sf.value = prop.Default + case reflect.Uint8: + // []byte (not *uint8) + sf.value = []byte(prop.Default) + case reflect.Uint32: + x, err := strconv.ParseUint(prop.Default, 10, 32) + if err != nil { + return nil, false, fmt.Errorf("proto: bad default uint32 %q: %v", prop.Default, err) + } + sf.value = uint32(x) + case reflect.Uint64: + x, err := strconv.ParseUint(prop.Default, 10, 64) + if err != nil { + return nil, false, fmt.Errorf("proto: bad default uint64 %q: %v", prop.Default, err) + } + sf.value = x + default: + return nil, false, fmt.Errorf("proto: unhandled def kind %v", ft.Elem().Kind()) + } + + return sf, false, nil +} + +// Map fields may have key types of non-float scalars, strings and enums. +// The easiest way to sort them in some deterministic order is to use fmt. +// If this turns out to be inefficient we can always consider other options, +// such as doing a Schwartzian transform. + +func mapKeys(vs []reflect.Value) sort.Interface { + s := mapKeySorter{ + vs: vs, + // default Less function: textual comparison + less: func(a, b reflect.Value) bool { + return fmt.Sprint(a.Interface()) < fmt.Sprint(b.Interface()) + }, + } + + // Type specialization per https://developers.google.com/protocol-buffers/docs/proto#maps; + // numeric keys are sorted numerically. + if len(vs) == 0 { + return s + } + switch vs[0].Kind() { + case reflect.Int32, reflect.Int64: + s.less = func(a, b reflect.Value) bool { return a.Int() < b.Int() } + case reflect.Uint32, reflect.Uint64: + s.less = func(a, b reflect.Value) bool { return a.Uint() < b.Uint() } + } + + return s +} + +type mapKeySorter struct { + vs []reflect.Value + less func(a, b reflect.Value) bool +} + +func (s mapKeySorter) Len() int { return len(s.vs) } +func (s mapKeySorter) Swap(i, j int) { s.vs[i], s.vs[j] = s.vs[j], s.vs[i] } +func (s mapKeySorter) Less(i, j int) bool { + return s.less(s.vs[i], s.vs[j]) +} + +// isProto3Zero reports whether v is a zero proto3 value. +func isProto3Zero(v reflect.Value) bool { + switch v.Kind() { + case reflect.Bool: + return !v.Bool() + case reflect.Int32, reflect.Int64: + return v.Int() == 0 + case reflect.Uint32, reflect.Uint64: + return v.Uint() == 0 + case reflect.Float32, reflect.Float64: + return v.Float() == 0 + case reflect.String: + return v.String() == "" + } + return false +} + +// ProtoPackageIsVersion2 is referenced from generated protocol buffer files +// to assert that that code is compatible with this version of the proto package. +const ProtoPackageIsVersion2 = true + +// ProtoPackageIsVersion1 is referenced from generated protocol buffer files +// to assert that that code is compatible with this version of the proto package. +const ProtoPackageIsVersion1 = true diff --git a/vendor/github.com/golang/protobuf/proto/message_set.go b/vendor/github.com/golang/protobuf/proto/message_set.go new file mode 100644 index 0000000..fd982de --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/message_set.go @@ -0,0 +1,311 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2010 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +/* + * Support for message sets. + */ + +import ( + "bytes" + "encoding/json" + "errors" + "fmt" + "reflect" + "sort" +) + +// errNoMessageTypeID occurs when a protocol buffer does not have a message type ID. +// A message type ID is required for storing a protocol buffer in a message set. +var errNoMessageTypeID = errors.New("proto does not have a message type ID") + +// The first two types (_MessageSet_Item and messageSet) +// model what the protocol compiler produces for the following protocol message: +// message MessageSet { +// repeated group Item = 1 { +// required int32 type_id = 2; +// required string message = 3; +// }; +// } +// That is the MessageSet wire format. We can't use a proto to generate these +// because that would introduce a circular dependency between it and this package. + +type _MessageSet_Item struct { + TypeId *int32 `protobuf:"varint,2,req,name=type_id"` + Message []byte `protobuf:"bytes,3,req,name=message"` +} + +type messageSet struct { + Item []*_MessageSet_Item `protobuf:"group,1,rep"` + XXX_unrecognized []byte + // TODO: caching? +} + +// Make sure messageSet is a Message. +var _ Message = (*messageSet)(nil) + +// messageTypeIder is an interface satisfied by a protocol buffer type +// that may be stored in a MessageSet. +type messageTypeIder interface { + MessageTypeId() int32 +} + +func (ms *messageSet) find(pb Message) *_MessageSet_Item { + mti, ok := pb.(messageTypeIder) + if !ok { + return nil + } + id := mti.MessageTypeId() + for _, item := range ms.Item { + if *item.TypeId == id { + return item + } + } + return nil +} + +func (ms *messageSet) Has(pb Message) bool { + if ms.find(pb) != nil { + return true + } + return false +} + +func (ms *messageSet) Unmarshal(pb Message) error { + if item := ms.find(pb); item != nil { + return Unmarshal(item.Message, pb) + } + if _, ok := pb.(messageTypeIder); !ok { + return errNoMessageTypeID + } + return nil // TODO: return error instead? +} + +func (ms *messageSet) Marshal(pb Message) error { + msg, err := Marshal(pb) + if err != nil { + return err + } + if item := ms.find(pb); item != nil { + // reuse existing item + item.Message = msg + return nil + } + + mti, ok := pb.(messageTypeIder) + if !ok { + return errNoMessageTypeID + } + + mtid := mti.MessageTypeId() + ms.Item = append(ms.Item, &_MessageSet_Item{ + TypeId: &mtid, + Message: msg, + }) + return nil +} + +func (ms *messageSet) Reset() { *ms = messageSet{} } +func (ms *messageSet) String() string { return CompactTextString(ms) } +func (*messageSet) ProtoMessage() {} + +// Support for the message_set_wire_format message option. + +func skipVarint(buf []byte) []byte { + i := 0 + for ; buf[i]&0x80 != 0; i++ { + } + return buf[i+1:] +} + +// MarshalMessageSet encodes the extension map represented by m in the message set wire format. +// It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option. +func MarshalMessageSet(exts interface{}) ([]byte, error) { + var m map[int32]Extension + switch exts := exts.(type) { + case *XXX_InternalExtensions: + if err := encodeExtensions(exts); err != nil { + return nil, err + } + m, _ = exts.extensionsRead() + case map[int32]Extension: + if err := encodeExtensionsMap(exts); err != nil { + return nil, err + } + m = exts + default: + return nil, errors.New("proto: not an extension map") + } + + // Sort extension IDs to provide a deterministic encoding. + // See also enc_map in encode.go. + ids := make([]int, 0, len(m)) + for id := range m { + ids = append(ids, int(id)) + } + sort.Ints(ids) + + ms := &messageSet{Item: make([]*_MessageSet_Item, 0, len(m))} + for _, id := range ids { + e := m[int32(id)] + // Remove the wire type and field number varint, as well as the length varint. + msg := skipVarint(skipVarint(e.enc)) + + ms.Item = append(ms.Item, &_MessageSet_Item{ + TypeId: Int32(int32(id)), + Message: msg, + }) + } + return Marshal(ms) +} + +// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format. +// It is called by generated Unmarshal methods on protocol buffer messages with the message_set_wire_format option. +func UnmarshalMessageSet(buf []byte, exts interface{}) error { + var m map[int32]Extension + switch exts := exts.(type) { + case *XXX_InternalExtensions: + m = exts.extensionsWrite() + case map[int32]Extension: + m = exts + default: + return errors.New("proto: not an extension map") + } + + ms := new(messageSet) + if err := Unmarshal(buf, ms); err != nil { + return err + } + for _, item := range ms.Item { + id := *item.TypeId + msg := item.Message + + // Restore wire type and field number varint, plus length varint. + // Be careful to preserve duplicate items. + b := EncodeVarint(uint64(id)<<3 | WireBytes) + if ext, ok := m[id]; ok { + // Existing data; rip off the tag and length varint + // so we join the new data correctly. + // We can assume that ext.enc is set because we are unmarshaling. + o := ext.enc[len(b):] // skip wire type and field number + _, n := DecodeVarint(o) // calculate length of length varint + o = o[n:] // skip length varint + msg = append(o, msg...) // join old data and new data + } + b = append(b, EncodeVarint(uint64(len(msg)))...) + b = append(b, msg...) + + m[id] = Extension{enc: b} + } + return nil +} + +// MarshalMessageSetJSON encodes the extension map represented by m in JSON format. +// It is called by generated MarshalJSON methods on protocol buffer messages with the message_set_wire_format option. +func MarshalMessageSetJSON(exts interface{}) ([]byte, error) { + var m map[int32]Extension + switch exts := exts.(type) { + case *XXX_InternalExtensions: + m, _ = exts.extensionsRead() + case map[int32]Extension: + m = exts + default: + return nil, errors.New("proto: not an extension map") + } + var b bytes.Buffer + b.WriteByte('{') + + // Process the map in key order for deterministic output. + ids := make([]int32, 0, len(m)) + for id := range m { + ids = append(ids, id) + } + sort.Sort(int32Slice(ids)) // int32Slice defined in text.go + + for i, id := range ids { + ext := m[id] + if i > 0 { + b.WriteByte(',') + } + + msd, ok := messageSetMap[id] + if !ok { + // Unknown type; we can't render it, so skip it. + continue + } + fmt.Fprintf(&b, `"[%s]":`, msd.name) + + x := ext.value + if x == nil { + x = reflect.New(msd.t.Elem()).Interface() + if err := Unmarshal(ext.enc, x.(Message)); err != nil { + return nil, err + } + } + d, err := json.Marshal(x) + if err != nil { + return nil, err + } + b.Write(d) + } + b.WriteByte('}') + return b.Bytes(), nil +} + +// UnmarshalMessageSetJSON decodes the extension map encoded in buf in JSON format. +// It is called by generated UnmarshalJSON methods on protocol buffer messages with the message_set_wire_format option. +func UnmarshalMessageSetJSON(buf []byte, exts interface{}) error { + // Common-case fast path. + if len(buf) == 0 || bytes.Equal(buf, []byte("{}")) { + return nil + } + + // This is fairly tricky, and it's not clear that it is needed. + return errors.New("TODO: UnmarshalMessageSetJSON not yet implemented") +} + +// A global registry of types that can be used in a MessageSet. + +var messageSetMap = make(map[int32]messageSetDesc) + +type messageSetDesc struct { + t reflect.Type // pointer to struct + name string +} + +// RegisterMessageSetType is called from the generated code. +func RegisterMessageSetType(m Message, fieldNum int32, name string) { + messageSetMap[fieldNum] = messageSetDesc{ + t: reflect.TypeOf(m), + name: name, + } +} diff --git a/vendor/github.com/golang/protobuf/proto/pointer_reflect.go b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go new file mode 100644 index 0000000..fb512e2 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/pointer_reflect.go @@ -0,0 +1,484 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2012 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// +build appengine js + +// This file contains an implementation of proto field accesses using package reflect. +// It is slower than the code in pointer_unsafe.go but it avoids package unsafe and can +// be used on App Engine. + +package proto + +import ( + "math" + "reflect" +) + +// A structPointer is a pointer to a struct. +type structPointer struct { + v reflect.Value +} + +// toStructPointer returns a structPointer equivalent to the given reflect value. +// The reflect value must itself be a pointer to a struct. +func toStructPointer(v reflect.Value) structPointer { + return structPointer{v} +} + +// IsNil reports whether p is nil. +func structPointer_IsNil(p structPointer) bool { + return p.v.IsNil() +} + +// Interface returns the struct pointer as an interface value. +func structPointer_Interface(p structPointer, _ reflect.Type) interface{} { + return p.v.Interface() +} + +// A field identifies a field in a struct, accessible from a structPointer. +// In this implementation, a field is identified by the sequence of field indices +// passed to reflect's FieldByIndex. +type field []int + +// toField returns a field equivalent to the given reflect field. +func toField(f *reflect.StructField) field { + return f.Index +} + +// invalidField is an invalid field identifier. +var invalidField = field(nil) + +// IsValid reports whether the field identifier is valid. +func (f field) IsValid() bool { return f != nil } + +// field returns the given field in the struct as a reflect value. +func structPointer_field(p structPointer, f field) reflect.Value { + // Special case: an extension map entry with a value of type T + // passes a *T to the struct-handling code with a zero field, + // expecting that it will be treated as equivalent to *struct{ X T }, + // which has the same memory layout. We have to handle that case + // specially, because reflect will panic if we call FieldByIndex on a + // non-struct. + if f == nil { + return p.v.Elem() + } + + return p.v.Elem().FieldByIndex(f) +} + +// ifield returns the given field in the struct as an interface value. +func structPointer_ifield(p structPointer, f field) interface{} { + return structPointer_field(p, f).Addr().Interface() +} + +// Bytes returns the address of a []byte field in the struct. +func structPointer_Bytes(p structPointer, f field) *[]byte { + return structPointer_ifield(p, f).(*[]byte) +} + +// BytesSlice returns the address of a [][]byte field in the struct. +func structPointer_BytesSlice(p structPointer, f field) *[][]byte { + return structPointer_ifield(p, f).(*[][]byte) +} + +// Bool returns the address of a *bool field in the struct. +func structPointer_Bool(p structPointer, f field) **bool { + return structPointer_ifield(p, f).(**bool) +} + +// BoolVal returns the address of a bool field in the struct. +func structPointer_BoolVal(p structPointer, f field) *bool { + return structPointer_ifield(p, f).(*bool) +} + +// BoolSlice returns the address of a []bool field in the struct. +func structPointer_BoolSlice(p structPointer, f field) *[]bool { + return structPointer_ifield(p, f).(*[]bool) +} + +// String returns the address of a *string field in the struct. +func structPointer_String(p structPointer, f field) **string { + return structPointer_ifield(p, f).(**string) +} + +// StringVal returns the address of a string field in the struct. +func structPointer_StringVal(p structPointer, f field) *string { + return structPointer_ifield(p, f).(*string) +} + +// StringSlice returns the address of a []string field in the struct. +func structPointer_StringSlice(p structPointer, f field) *[]string { + return structPointer_ifield(p, f).(*[]string) +} + +// Extensions returns the address of an extension map field in the struct. +func structPointer_Extensions(p structPointer, f field) *XXX_InternalExtensions { + return structPointer_ifield(p, f).(*XXX_InternalExtensions) +} + +// ExtMap returns the address of an extension map field in the struct. +func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension { + return structPointer_ifield(p, f).(*map[int32]Extension) +} + +// NewAt returns the reflect.Value for a pointer to a field in the struct. +func structPointer_NewAt(p structPointer, f field, typ reflect.Type) reflect.Value { + return structPointer_field(p, f).Addr() +} + +// SetStructPointer writes a *struct field in the struct. +func structPointer_SetStructPointer(p structPointer, f field, q structPointer) { + structPointer_field(p, f).Set(q.v) +} + +// GetStructPointer reads a *struct field in the struct. +func structPointer_GetStructPointer(p structPointer, f field) structPointer { + return structPointer{structPointer_field(p, f)} +} + +// StructPointerSlice the address of a []*struct field in the struct. +func structPointer_StructPointerSlice(p structPointer, f field) structPointerSlice { + return structPointerSlice{structPointer_field(p, f)} +} + +// A structPointerSlice represents the address of a slice of pointers to structs +// (themselves messages or groups). That is, v.Type() is *[]*struct{...}. +type structPointerSlice struct { + v reflect.Value +} + +func (p structPointerSlice) Len() int { return p.v.Len() } +func (p structPointerSlice) Index(i int) structPointer { return structPointer{p.v.Index(i)} } +func (p structPointerSlice) Append(q structPointer) { + p.v.Set(reflect.Append(p.v, q.v)) +} + +var ( + int32Type = reflect.TypeOf(int32(0)) + uint32Type = reflect.TypeOf(uint32(0)) + float32Type = reflect.TypeOf(float32(0)) + int64Type = reflect.TypeOf(int64(0)) + uint64Type = reflect.TypeOf(uint64(0)) + float64Type = reflect.TypeOf(float64(0)) +) + +// A word32 represents a field of type *int32, *uint32, *float32, or *enum. +// That is, v.Type() is *int32, *uint32, *float32, or *enum and v is assignable. +type word32 struct { + v reflect.Value +} + +// IsNil reports whether p is nil. +func word32_IsNil(p word32) bool { + return p.v.IsNil() +} + +// Set sets p to point at a newly allocated word with bits set to x. +func word32_Set(p word32, o *Buffer, x uint32) { + t := p.v.Type().Elem() + switch t { + case int32Type: + if len(o.int32s) == 0 { + o.int32s = make([]int32, uint32PoolSize) + } + o.int32s[0] = int32(x) + p.v.Set(reflect.ValueOf(&o.int32s[0])) + o.int32s = o.int32s[1:] + return + case uint32Type: + if len(o.uint32s) == 0 { + o.uint32s = make([]uint32, uint32PoolSize) + } + o.uint32s[0] = x + p.v.Set(reflect.ValueOf(&o.uint32s[0])) + o.uint32s = o.uint32s[1:] + return + case float32Type: + if len(o.float32s) == 0 { + o.float32s = make([]float32, uint32PoolSize) + } + o.float32s[0] = math.Float32frombits(x) + p.v.Set(reflect.ValueOf(&o.float32s[0])) + o.float32s = o.float32s[1:] + return + } + + // must be enum + p.v.Set(reflect.New(t)) + p.v.Elem().SetInt(int64(int32(x))) +} + +// Get gets the bits pointed at by p, as a uint32. +func word32_Get(p word32) uint32 { + elem := p.v.Elem() + switch elem.Kind() { + case reflect.Int32: + return uint32(elem.Int()) + case reflect.Uint32: + return uint32(elem.Uint()) + case reflect.Float32: + return math.Float32bits(float32(elem.Float())) + } + panic("unreachable") +} + +// Word32 returns a reference to a *int32, *uint32, *float32, or *enum field in the struct. +func structPointer_Word32(p structPointer, f field) word32 { + return word32{structPointer_field(p, f)} +} + +// A word32Val represents a field of type int32, uint32, float32, or enum. +// That is, v.Type() is int32, uint32, float32, or enum and v is assignable. +type word32Val struct { + v reflect.Value +} + +// Set sets *p to x. +func word32Val_Set(p word32Val, x uint32) { + switch p.v.Type() { + case int32Type: + p.v.SetInt(int64(x)) + return + case uint32Type: + p.v.SetUint(uint64(x)) + return + case float32Type: + p.v.SetFloat(float64(math.Float32frombits(x))) + return + } + + // must be enum + p.v.SetInt(int64(int32(x))) +} + +// Get gets the bits pointed at by p, as a uint32. +func word32Val_Get(p word32Val) uint32 { + elem := p.v + switch elem.Kind() { + case reflect.Int32: + return uint32(elem.Int()) + case reflect.Uint32: + return uint32(elem.Uint()) + case reflect.Float32: + return math.Float32bits(float32(elem.Float())) + } + panic("unreachable") +} + +// Word32Val returns a reference to a int32, uint32, float32, or enum field in the struct. +func structPointer_Word32Val(p structPointer, f field) word32Val { + return word32Val{structPointer_field(p, f)} +} + +// A word32Slice is a slice of 32-bit values. +// That is, v.Type() is []int32, []uint32, []float32, or []enum. +type word32Slice struct { + v reflect.Value +} + +func (p word32Slice) Append(x uint32) { + n, m := p.v.Len(), p.v.Cap() + if n < m { + p.v.SetLen(n + 1) + } else { + t := p.v.Type().Elem() + p.v.Set(reflect.Append(p.v, reflect.Zero(t))) + } + elem := p.v.Index(n) + switch elem.Kind() { + case reflect.Int32: + elem.SetInt(int64(int32(x))) + case reflect.Uint32: + elem.SetUint(uint64(x)) + case reflect.Float32: + elem.SetFloat(float64(math.Float32frombits(x))) + } +} + +func (p word32Slice) Len() int { + return p.v.Len() +} + +func (p word32Slice) Index(i int) uint32 { + elem := p.v.Index(i) + switch elem.Kind() { + case reflect.Int32: + return uint32(elem.Int()) + case reflect.Uint32: + return uint32(elem.Uint()) + case reflect.Float32: + return math.Float32bits(float32(elem.Float())) + } + panic("unreachable") +} + +// Word32Slice returns a reference to a []int32, []uint32, []float32, or []enum field in the struct. +func structPointer_Word32Slice(p structPointer, f field) word32Slice { + return word32Slice{structPointer_field(p, f)} +} + +// word64 is like word32 but for 64-bit values. +type word64 struct { + v reflect.Value +} + +func word64_Set(p word64, o *Buffer, x uint64) { + t := p.v.Type().Elem() + switch t { + case int64Type: + if len(o.int64s) == 0 { + o.int64s = make([]int64, uint64PoolSize) + } + o.int64s[0] = int64(x) + p.v.Set(reflect.ValueOf(&o.int64s[0])) + o.int64s = o.int64s[1:] + return + case uint64Type: + if len(o.uint64s) == 0 { + o.uint64s = make([]uint64, uint64PoolSize) + } + o.uint64s[0] = x + p.v.Set(reflect.ValueOf(&o.uint64s[0])) + o.uint64s = o.uint64s[1:] + return + case float64Type: + if len(o.float64s) == 0 { + o.float64s = make([]float64, uint64PoolSize) + } + o.float64s[0] = math.Float64frombits(x) + p.v.Set(reflect.ValueOf(&o.float64s[0])) + o.float64s = o.float64s[1:] + return + } + panic("unreachable") +} + +func word64_IsNil(p word64) bool { + return p.v.IsNil() +} + +func word64_Get(p word64) uint64 { + elem := p.v.Elem() + switch elem.Kind() { + case reflect.Int64: + return uint64(elem.Int()) + case reflect.Uint64: + return elem.Uint() + case reflect.Float64: + return math.Float64bits(elem.Float()) + } + panic("unreachable") +} + +func structPointer_Word64(p structPointer, f field) word64 { + return word64{structPointer_field(p, f)} +} + +// word64Val is like word32Val but for 64-bit values. +type word64Val struct { + v reflect.Value +} + +func word64Val_Set(p word64Val, o *Buffer, x uint64) { + switch p.v.Type() { + case int64Type: + p.v.SetInt(int64(x)) + return + case uint64Type: + p.v.SetUint(x) + return + case float64Type: + p.v.SetFloat(math.Float64frombits(x)) + return + } + panic("unreachable") +} + +func word64Val_Get(p word64Val) uint64 { + elem := p.v + switch elem.Kind() { + case reflect.Int64: + return uint64(elem.Int()) + case reflect.Uint64: + return elem.Uint() + case reflect.Float64: + return math.Float64bits(elem.Float()) + } + panic("unreachable") +} + +func structPointer_Word64Val(p structPointer, f field) word64Val { + return word64Val{structPointer_field(p, f)} +} + +type word64Slice struct { + v reflect.Value +} + +func (p word64Slice) Append(x uint64) { + n, m := p.v.Len(), p.v.Cap() + if n < m { + p.v.SetLen(n + 1) + } else { + t := p.v.Type().Elem() + p.v.Set(reflect.Append(p.v, reflect.Zero(t))) + } + elem := p.v.Index(n) + switch elem.Kind() { + case reflect.Int64: + elem.SetInt(int64(int64(x))) + case reflect.Uint64: + elem.SetUint(uint64(x)) + case reflect.Float64: + elem.SetFloat(float64(math.Float64frombits(x))) + } +} + +func (p word64Slice) Len() int { + return p.v.Len() +} + +func (p word64Slice) Index(i int) uint64 { + elem := p.v.Index(i) + switch elem.Kind() { + case reflect.Int64: + return uint64(elem.Int()) + case reflect.Uint64: + return uint64(elem.Uint()) + case reflect.Float64: + return math.Float64bits(float64(elem.Float())) + } + panic("unreachable") +} + +func structPointer_Word64Slice(p structPointer, f field) word64Slice { + return word64Slice{structPointer_field(p, f)} +} diff --git a/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go new file mode 100644 index 0000000..6b5567d --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/pointer_unsafe.go @@ -0,0 +1,270 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2012 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// +build !appengine,!js + +// This file contains the implementation of the proto field accesses using package unsafe. + +package proto + +import ( + "reflect" + "unsafe" +) + +// NOTE: These type_Foo functions would more idiomatically be methods, +// but Go does not allow methods on pointer types, and we must preserve +// some pointer type for the garbage collector. We use these +// funcs with clunky names as our poor approximation to methods. +// +// An alternative would be +// type structPointer struct { p unsafe.Pointer } +// but that does not registerize as well. + +// A structPointer is a pointer to a struct. +type structPointer unsafe.Pointer + +// toStructPointer returns a structPointer equivalent to the given reflect value. +func toStructPointer(v reflect.Value) structPointer { + return structPointer(unsafe.Pointer(v.Pointer())) +} + +// IsNil reports whether p is nil. +func structPointer_IsNil(p structPointer) bool { + return p == nil +} + +// Interface returns the struct pointer, assumed to have element type t, +// as an interface value. +func structPointer_Interface(p structPointer, t reflect.Type) interface{} { + return reflect.NewAt(t, unsafe.Pointer(p)).Interface() +} + +// A field identifies a field in a struct, accessible from a structPointer. +// In this implementation, a field is identified by its byte offset from the start of the struct. +type field uintptr + +// toField returns a field equivalent to the given reflect field. +func toField(f *reflect.StructField) field { + return field(f.Offset) +} + +// invalidField is an invalid field identifier. +const invalidField = ^field(0) + +// IsValid reports whether the field identifier is valid. +func (f field) IsValid() bool { + return f != ^field(0) +} + +// Bytes returns the address of a []byte field in the struct. +func structPointer_Bytes(p structPointer, f field) *[]byte { + return (*[]byte)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// BytesSlice returns the address of a [][]byte field in the struct. +func structPointer_BytesSlice(p structPointer, f field) *[][]byte { + return (*[][]byte)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// Bool returns the address of a *bool field in the struct. +func structPointer_Bool(p structPointer, f field) **bool { + return (**bool)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// BoolVal returns the address of a bool field in the struct. +func structPointer_BoolVal(p structPointer, f field) *bool { + return (*bool)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// BoolSlice returns the address of a []bool field in the struct. +func structPointer_BoolSlice(p structPointer, f field) *[]bool { + return (*[]bool)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// String returns the address of a *string field in the struct. +func structPointer_String(p structPointer, f field) **string { + return (**string)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// StringVal returns the address of a string field in the struct. +func structPointer_StringVal(p structPointer, f field) *string { + return (*string)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// StringSlice returns the address of a []string field in the struct. +func structPointer_StringSlice(p structPointer, f field) *[]string { + return (*[]string)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// ExtMap returns the address of an extension map field in the struct. +func structPointer_Extensions(p structPointer, f field) *XXX_InternalExtensions { + return (*XXX_InternalExtensions)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +func structPointer_ExtMap(p structPointer, f field) *map[int32]Extension { + return (*map[int32]Extension)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// NewAt returns the reflect.Value for a pointer to a field in the struct. +func structPointer_NewAt(p structPointer, f field, typ reflect.Type) reflect.Value { + return reflect.NewAt(typ, unsafe.Pointer(uintptr(p)+uintptr(f))) +} + +// SetStructPointer writes a *struct field in the struct. +func structPointer_SetStructPointer(p structPointer, f field, q structPointer) { + *(*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f))) = q +} + +// GetStructPointer reads a *struct field in the struct. +func structPointer_GetStructPointer(p structPointer, f field) structPointer { + return *(*structPointer)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// StructPointerSlice the address of a []*struct field in the struct. +func structPointer_StructPointerSlice(p structPointer, f field) *structPointerSlice { + return (*structPointerSlice)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// A structPointerSlice represents a slice of pointers to structs (themselves submessages or groups). +type structPointerSlice []structPointer + +func (v *structPointerSlice) Len() int { return len(*v) } +func (v *structPointerSlice) Index(i int) structPointer { return (*v)[i] } +func (v *structPointerSlice) Append(p structPointer) { *v = append(*v, p) } + +// A word32 is the address of a "pointer to 32-bit value" field. +type word32 **uint32 + +// IsNil reports whether *v is nil. +func word32_IsNil(p word32) bool { + return *p == nil +} + +// Set sets *v to point at a newly allocated word set to x. +func word32_Set(p word32, o *Buffer, x uint32) { + if len(o.uint32s) == 0 { + o.uint32s = make([]uint32, uint32PoolSize) + } + o.uint32s[0] = x + *p = &o.uint32s[0] + o.uint32s = o.uint32s[1:] +} + +// Get gets the value pointed at by *v. +func word32_Get(p word32) uint32 { + return **p +} + +// Word32 returns the address of a *int32, *uint32, *float32, or *enum field in the struct. +func structPointer_Word32(p structPointer, f field) word32 { + return word32((**uint32)(unsafe.Pointer(uintptr(p) + uintptr(f)))) +} + +// A word32Val is the address of a 32-bit value field. +type word32Val *uint32 + +// Set sets *p to x. +func word32Val_Set(p word32Val, x uint32) { + *p = x +} + +// Get gets the value pointed at by p. +func word32Val_Get(p word32Val) uint32 { + return *p +} + +// Word32Val returns the address of a *int32, *uint32, *float32, or *enum field in the struct. +func structPointer_Word32Val(p structPointer, f field) word32Val { + return word32Val((*uint32)(unsafe.Pointer(uintptr(p) + uintptr(f)))) +} + +// A word32Slice is a slice of 32-bit values. +type word32Slice []uint32 + +func (v *word32Slice) Append(x uint32) { *v = append(*v, x) } +func (v *word32Slice) Len() int { return len(*v) } +func (v *word32Slice) Index(i int) uint32 { return (*v)[i] } + +// Word32Slice returns the address of a []int32, []uint32, []float32, or []enum field in the struct. +func structPointer_Word32Slice(p structPointer, f field) *word32Slice { + return (*word32Slice)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} + +// word64 is like word32 but for 64-bit values. +type word64 **uint64 + +func word64_Set(p word64, o *Buffer, x uint64) { + if len(o.uint64s) == 0 { + o.uint64s = make([]uint64, uint64PoolSize) + } + o.uint64s[0] = x + *p = &o.uint64s[0] + o.uint64s = o.uint64s[1:] +} + +func word64_IsNil(p word64) bool { + return *p == nil +} + +func word64_Get(p word64) uint64 { + return **p +} + +func structPointer_Word64(p structPointer, f field) word64 { + return word64((**uint64)(unsafe.Pointer(uintptr(p) + uintptr(f)))) +} + +// word64Val is like word32Val but for 64-bit values. +type word64Val *uint64 + +func word64Val_Set(p word64Val, o *Buffer, x uint64) { + *p = x +} + +func word64Val_Get(p word64Val) uint64 { + return *p +} + +func structPointer_Word64Val(p structPointer, f field) word64Val { + return word64Val((*uint64)(unsafe.Pointer(uintptr(p) + uintptr(f)))) +} + +// word64Slice is like word32Slice but for 64-bit values. +type word64Slice []uint64 + +func (v *word64Slice) Append(x uint64) { *v = append(*v, x) } +func (v *word64Slice) Len() int { return len(*v) } +func (v *word64Slice) Index(i int) uint64 { return (*v)[i] } + +func structPointer_Word64Slice(p structPointer, f field) *word64Slice { + return (*word64Slice)(unsafe.Pointer(uintptr(p) + uintptr(f))) +} diff --git a/vendor/github.com/golang/protobuf/proto/properties.go b/vendor/github.com/golang/protobuf/proto/properties.go new file mode 100644 index 0000000..ec2289c --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/properties.go @@ -0,0 +1,872 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2010 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +/* + * Routines for encoding data into the wire format for protocol buffers. + */ + +import ( + "fmt" + "log" + "os" + "reflect" + "sort" + "strconv" + "strings" + "sync" +) + +const debug bool = false + +// Constants that identify the encoding of a value on the wire. +const ( + WireVarint = 0 + WireFixed64 = 1 + WireBytes = 2 + WireStartGroup = 3 + WireEndGroup = 4 + WireFixed32 = 5 +) + +const startSize = 10 // initial slice/string sizes + +// Encoders are defined in encode.go +// An encoder outputs the full representation of a field, including its +// tag and encoder type. +type encoder func(p *Buffer, prop *Properties, base structPointer) error + +// A valueEncoder encodes a single integer in a particular encoding. +type valueEncoder func(o *Buffer, x uint64) error + +// Sizers are defined in encode.go +// A sizer returns the encoded size of a field, including its tag and encoder +// type. +type sizer func(prop *Properties, base structPointer) int + +// A valueSizer returns the encoded size of a single integer in a particular +// encoding. +type valueSizer func(x uint64) int + +// Decoders are defined in decode.go +// A decoder creates a value from its wire representation. +// Unrecognized subelements are saved in unrec. +type decoder func(p *Buffer, prop *Properties, base structPointer) error + +// A valueDecoder decodes a single integer in a particular encoding. +type valueDecoder func(o *Buffer) (x uint64, err error) + +// A oneofMarshaler does the marshaling for all oneof fields in a message. +type oneofMarshaler func(Message, *Buffer) error + +// A oneofUnmarshaler does the unmarshaling for a oneof field in a message. +type oneofUnmarshaler func(Message, int, int, *Buffer) (bool, error) + +// A oneofSizer does the sizing for all oneof fields in a message. +type oneofSizer func(Message) int + +// tagMap is an optimization over map[int]int for typical protocol buffer +// use-cases. Encoded protocol buffers are often in tag order with small tag +// numbers. +type tagMap struct { + fastTags []int + slowTags map[int]int +} + +// tagMapFastLimit is the upper bound on the tag number that will be stored in +// the tagMap slice rather than its map. +const tagMapFastLimit = 1024 + +func (p *tagMap) get(t int) (int, bool) { + if t > 0 && t < tagMapFastLimit { + if t >= len(p.fastTags) { + return 0, false + } + fi := p.fastTags[t] + return fi, fi >= 0 + } + fi, ok := p.slowTags[t] + return fi, ok +} + +func (p *tagMap) put(t int, fi int) { + if t > 0 && t < tagMapFastLimit { + for len(p.fastTags) < t+1 { + p.fastTags = append(p.fastTags, -1) + } + p.fastTags[t] = fi + return + } + if p.slowTags == nil { + p.slowTags = make(map[int]int) + } + p.slowTags[t] = fi +} + +// StructProperties represents properties for all the fields of a struct. +// decoderTags and decoderOrigNames should only be used by the decoder. +type StructProperties struct { + Prop []*Properties // properties for each field + reqCount int // required count + decoderTags tagMap // map from proto tag to struct field number + decoderOrigNames map[string]int // map from original name to struct field number + order []int // list of struct field numbers in tag order + unrecField field // field id of the XXX_unrecognized []byte field + extendable bool // is this an extendable proto + + oneofMarshaler oneofMarshaler + oneofUnmarshaler oneofUnmarshaler + oneofSizer oneofSizer + stype reflect.Type + + // OneofTypes contains information about the oneof fields in this message. + // It is keyed by the original name of a field. + OneofTypes map[string]*OneofProperties +} + +// OneofProperties represents information about a specific field in a oneof. +type OneofProperties struct { + Type reflect.Type // pointer to generated struct type for this oneof field + Field int // struct field number of the containing oneof in the message + Prop *Properties +} + +// Implement the sorting interface so we can sort the fields in tag order, as recommended by the spec. +// See encode.go, (*Buffer).enc_struct. + +func (sp *StructProperties) Len() int { return len(sp.order) } +func (sp *StructProperties) Less(i, j int) bool { + return sp.Prop[sp.order[i]].Tag < sp.Prop[sp.order[j]].Tag +} +func (sp *StructProperties) Swap(i, j int) { sp.order[i], sp.order[j] = sp.order[j], sp.order[i] } + +// Properties represents the protocol-specific behavior of a single struct field. +type Properties struct { + Name string // name of the field, for error messages + OrigName string // original name before protocol compiler (always set) + JSONName string // name to use for JSON; determined by protoc + Wire string + WireType int + Tag int + Required bool + Optional bool + Repeated bool + Packed bool // relevant for repeated primitives only + Enum string // set for enum types only + proto3 bool // whether this is known to be a proto3 field; set for []byte only + oneof bool // whether this is a oneof field + + Default string // default value + HasDefault bool // whether an explicit default was provided + def_uint64 uint64 + + enc encoder + valEnc valueEncoder // set for bool and numeric types only + field field + tagcode []byte // encoding of EncodeVarint((Tag<<3)|WireType) + tagbuf [8]byte + stype reflect.Type // set for struct types only + sprop *StructProperties // set for struct types only + isMarshaler bool + isUnmarshaler bool + + mtype reflect.Type // set for map types only + mkeyprop *Properties // set for map types only + mvalprop *Properties // set for map types only + + size sizer + valSize valueSizer // set for bool and numeric types only + + dec decoder + valDec valueDecoder // set for bool and numeric types only + + // If this is a packable field, this will be the decoder for the packed version of the field. + packedDec decoder +} + +// String formats the properties in the protobuf struct field tag style. +func (p *Properties) String() string { + s := p.Wire + s = "," + s += strconv.Itoa(p.Tag) + if p.Required { + s += ",req" + } + if p.Optional { + s += ",opt" + } + if p.Repeated { + s += ",rep" + } + if p.Packed { + s += ",packed" + } + s += ",name=" + p.OrigName + if p.JSONName != p.OrigName { + s += ",json=" + p.JSONName + } + if p.proto3 { + s += ",proto3" + } + if p.oneof { + s += ",oneof" + } + if len(p.Enum) > 0 { + s += ",enum=" + p.Enum + } + if p.HasDefault { + s += ",def=" + p.Default + } + return s +} + +// Parse populates p by parsing a string in the protobuf struct field tag style. +func (p *Properties) Parse(s string) { + // "bytes,49,opt,name=foo,def=hello!" + fields := strings.Split(s, ",") // breaks def=, but handled below. + if len(fields) < 2 { + fmt.Fprintf(os.Stderr, "proto: tag has too few fields: %q\n", s) + return + } + + p.Wire = fields[0] + switch p.Wire { + case "varint": + p.WireType = WireVarint + p.valEnc = (*Buffer).EncodeVarint + p.valDec = (*Buffer).DecodeVarint + p.valSize = sizeVarint + case "fixed32": + p.WireType = WireFixed32 + p.valEnc = (*Buffer).EncodeFixed32 + p.valDec = (*Buffer).DecodeFixed32 + p.valSize = sizeFixed32 + case "fixed64": + p.WireType = WireFixed64 + p.valEnc = (*Buffer).EncodeFixed64 + p.valDec = (*Buffer).DecodeFixed64 + p.valSize = sizeFixed64 + case "zigzag32": + p.WireType = WireVarint + p.valEnc = (*Buffer).EncodeZigzag32 + p.valDec = (*Buffer).DecodeZigzag32 + p.valSize = sizeZigzag32 + case "zigzag64": + p.WireType = WireVarint + p.valEnc = (*Buffer).EncodeZigzag64 + p.valDec = (*Buffer).DecodeZigzag64 + p.valSize = sizeZigzag64 + case "bytes", "group": + p.WireType = WireBytes + // no numeric converter for non-numeric types + default: + fmt.Fprintf(os.Stderr, "proto: tag has unknown wire type: %q\n", s) + return + } + + var err error + p.Tag, err = strconv.Atoi(fields[1]) + if err != nil { + return + } + + for i := 2; i < len(fields); i++ { + f := fields[i] + switch { + case f == "req": + p.Required = true + case f == "opt": + p.Optional = true + case f == "rep": + p.Repeated = true + case f == "packed": + p.Packed = true + case strings.HasPrefix(f, "name="): + p.OrigName = f[5:] + case strings.HasPrefix(f, "json="): + p.JSONName = f[5:] + case strings.HasPrefix(f, "enum="): + p.Enum = f[5:] + case f == "proto3": + p.proto3 = true + case f == "oneof": + p.oneof = true + case strings.HasPrefix(f, "def="): + p.HasDefault = true + p.Default = f[4:] // rest of string + if i+1 < len(fields) { + // Commas aren't escaped, and def is always last. + p.Default += "," + strings.Join(fields[i+1:], ",") + break + } + } + } +} + +func logNoSliceEnc(t1, t2 reflect.Type) { + fmt.Fprintf(os.Stderr, "proto: no slice oenc for %T = []%T\n", t1, t2) +} + +var protoMessageType = reflect.TypeOf((*Message)(nil)).Elem() + +// Initialize the fields for encoding and decoding. +func (p *Properties) setEncAndDec(typ reflect.Type, f *reflect.StructField, lockGetProp bool) { + p.enc = nil + p.dec = nil + p.size = nil + + switch t1 := typ; t1.Kind() { + default: + fmt.Fprintf(os.Stderr, "proto: no coders for %v\n", t1) + + // proto3 scalar types + + case reflect.Bool: + p.enc = (*Buffer).enc_proto3_bool + p.dec = (*Buffer).dec_proto3_bool + p.size = size_proto3_bool + case reflect.Int32: + p.enc = (*Buffer).enc_proto3_int32 + p.dec = (*Buffer).dec_proto3_int32 + p.size = size_proto3_int32 + case reflect.Uint32: + p.enc = (*Buffer).enc_proto3_uint32 + p.dec = (*Buffer).dec_proto3_int32 // can reuse + p.size = size_proto3_uint32 + case reflect.Int64, reflect.Uint64: + p.enc = (*Buffer).enc_proto3_int64 + p.dec = (*Buffer).dec_proto3_int64 + p.size = size_proto3_int64 + case reflect.Float32: + p.enc = (*Buffer).enc_proto3_uint32 // can just treat them as bits + p.dec = (*Buffer).dec_proto3_int32 + p.size = size_proto3_uint32 + case reflect.Float64: + p.enc = (*Buffer).enc_proto3_int64 // can just treat them as bits + p.dec = (*Buffer).dec_proto3_int64 + p.size = size_proto3_int64 + case reflect.String: + p.enc = (*Buffer).enc_proto3_string + p.dec = (*Buffer).dec_proto3_string + p.size = size_proto3_string + + case reflect.Ptr: + switch t2 := t1.Elem(); t2.Kind() { + default: + fmt.Fprintf(os.Stderr, "proto: no encoder function for %v -> %v\n", t1, t2) + break + case reflect.Bool: + p.enc = (*Buffer).enc_bool + p.dec = (*Buffer).dec_bool + p.size = size_bool + case reflect.Int32: + p.enc = (*Buffer).enc_int32 + p.dec = (*Buffer).dec_int32 + p.size = size_int32 + case reflect.Uint32: + p.enc = (*Buffer).enc_uint32 + p.dec = (*Buffer).dec_int32 // can reuse + p.size = size_uint32 + case reflect.Int64, reflect.Uint64: + p.enc = (*Buffer).enc_int64 + p.dec = (*Buffer).dec_int64 + p.size = size_int64 + case reflect.Float32: + p.enc = (*Buffer).enc_uint32 // can just treat them as bits + p.dec = (*Buffer).dec_int32 + p.size = size_uint32 + case reflect.Float64: + p.enc = (*Buffer).enc_int64 // can just treat them as bits + p.dec = (*Buffer).dec_int64 + p.size = size_int64 + case reflect.String: + p.enc = (*Buffer).enc_string + p.dec = (*Buffer).dec_string + p.size = size_string + case reflect.Struct: + p.stype = t1.Elem() + p.isMarshaler = isMarshaler(t1) + p.isUnmarshaler = isUnmarshaler(t1) + if p.Wire == "bytes" { + p.enc = (*Buffer).enc_struct_message + p.dec = (*Buffer).dec_struct_message + p.size = size_struct_message + } else { + p.enc = (*Buffer).enc_struct_group + p.dec = (*Buffer).dec_struct_group + p.size = size_struct_group + } + } + + case reflect.Slice: + switch t2 := t1.Elem(); t2.Kind() { + default: + logNoSliceEnc(t1, t2) + break + case reflect.Bool: + if p.Packed { + p.enc = (*Buffer).enc_slice_packed_bool + p.size = size_slice_packed_bool + } else { + p.enc = (*Buffer).enc_slice_bool + p.size = size_slice_bool + } + p.dec = (*Buffer).dec_slice_bool + p.packedDec = (*Buffer).dec_slice_packed_bool + case reflect.Int32: + if p.Packed { + p.enc = (*Buffer).enc_slice_packed_int32 + p.size = size_slice_packed_int32 + } else { + p.enc = (*Buffer).enc_slice_int32 + p.size = size_slice_int32 + } + p.dec = (*Buffer).dec_slice_int32 + p.packedDec = (*Buffer).dec_slice_packed_int32 + case reflect.Uint32: + if p.Packed { + p.enc = (*Buffer).enc_slice_packed_uint32 + p.size = size_slice_packed_uint32 + } else { + p.enc = (*Buffer).enc_slice_uint32 + p.size = size_slice_uint32 + } + p.dec = (*Buffer).dec_slice_int32 + p.packedDec = (*Buffer).dec_slice_packed_int32 + case reflect.Int64, reflect.Uint64: + if p.Packed { + p.enc = (*Buffer).enc_slice_packed_int64 + p.size = size_slice_packed_int64 + } else { + p.enc = (*Buffer).enc_slice_int64 + p.size = size_slice_int64 + } + p.dec = (*Buffer).dec_slice_int64 + p.packedDec = (*Buffer).dec_slice_packed_int64 + case reflect.Uint8: + p.dec = (*Buffer).dec_slice_byte + if p.proto3 { + p.enc = (*Buffer).enc_proto3_slice_byte + p.size = size_proto3_slice_byte + } else { + p.enc = (*Buffer).enc_slice_byte + p.size = size_slice_byte + } + case reflect.Float32, reflect.Float64: + switch t2.Bits() { + case 32: + // can just treat them as bits + if p.Packed { + p.enc = (*Buffer).enc_slice_packed_uint32 + p.size = size_slice_packed_uint32 + } else { + p.enc = (*Buffer).enc_slice_uint32 + p.size = size_slice_uint32 + } + p.dec = (*Buffer).dec_slice_int32 + p.packedDec = (*Buffer).dec_slice_packed_int32 + case 64: + // can just treat them as bits + if p.Packed { + p.enc = (*Buffer).enc_slice_packed_int64 + p.size = size_slice_packed_int64 + } else { + p.enc = (*Buffer).enc_slice_int64 + p.size = size_slice_int64 + } + p.dec = (*Buffer).dec_slice_int64 + p.packedDec = (*Buffer).dec_slice_packed_int64 + default: + logNoSliceEnc(t1, t2) + break + } + case reflect.String: + p.enc = (*Buffer).enc_slice_string + p.dec = (*Buffer).dec_slice_string + p.size = size_slice_string + case reflect.Ptr: + switch t3 := t2.Elem(); t3.Kind() { + default: + fmt.Fprintf(os.Stderr, "proto: no ptr oenc for %T -> %T -> %T\n", t1, t2, t3) + break + case reflect.Struct: + p.stype = t2.Elem() + p.isMarshaler = isMarshaler(t2) + p.isUnmarshaler = isUnmarshaler(t2) + if p.Wire == "bytes" { + p.enc = (*Buffer).enc_slice_struct_message + p.dec = (*Buffer).dec_slice_struct_message + p.size = size_slice_struct_message + } else { + p.enc = (*Buffer).enc_slice_struct_group + p.dec = (*Buffer).dec_slice_struct_group + p.size = size_slice_struct_group + } + } + case reflect.Slice: + switch t2.Elem().Kind() { + default: + fmt.Fprintf(os.Stderr, "proto: no slice elem oenc for %T -> %T -> %T\n", t1, t2, t2.Elem()) + break + case reflect.Uint8: + p.enc = (*Buffer).enc_slice_slice_byte + p.dec = (*Buffer).dec_slice_slice_byte + p.size = size_slice_slice_byte + } + } + + case reflect.Map: + p.enc = (*Buffer).enc_new_map + p.dec = (*Buffer).dec_new_map + p.size = size_new_map + + p.mtype = t1 + p.mkeyprop = &Properties{} + p.mkeyprop.init(reflect.PtrTo(p.mtype.Key()), "Key", f.Tag.Get("protobuf_key"), nil, lockGetProp) + p.mvalprop = &Properties{} + vtype := p.mtype.Elem() + if vtype.Kind() != reflect.Ptr && vtype.Kind() != reflect.Slice { + // The value type is not a message (*T) or bytes ([]byte), + // so we need encoders for the pointer to this type. + vtype = reflect.PtrTo(vtype) + } + p.mvalprop.init(vtype, "Value", f.Tag.Get("protobuf_val"), nil, lockGetProp) + } + + // precalculate tag code + wire := p.WireType + if p.Packed { + wire = WireBytes + } + x := uint32(p.Tag)<<3 | uint32(wire) + i := 0 + for i = 0; x > 127; i++ { + p.tagbuf[i] = 0x80 | uint8(x&0x7F) + x >>= 7 + } + p.tagbuf[i] = uint8(x) + p.tagcode = p.tagbuf[0 : i+1] + + if p.stype != nil { + if lockGetProp { + p.sprop = GetProperties(p.stype) + } else { + p.sprop = getPropertiesLocked(p.stype) + } + } +} + +var ( + marshalerType = reflect.TypeOf((*Marshaler)(nil)).Elem() + unmarshalerType = reflect.TypeOf((*Unmarshaler)(nil)).Elem() +) + +// isMarshaler reports whether type t implements Marshaler. +func isMarshaler(t reflect.Type) bool { + // We're checking for (likely) pointer-receiver methods + // so if t is not a pointer, something is very wrong. + // The calls above only invoke isMarshaler on pointer types. + if t.Kind() != reflect.Ptr { + panic("proto: misuse of isMarshaler") + } + return t.Implements(marshalerType) +} + +// isUnmarshaler reports whether type t implements Unmarshaler. +func isUnmarshaler(t reflect.Type) bool { + // We're checking for (likely) pointer-receiver methods + // so if t is not a pointer, something is very wrong. + // The calls above only invoke isUnmarshaler on pointer types. + if t.Kind() != reflect.Ptr { + panic("proto: misuse of isUnmarshaler") + } + return t.Implements(unmarshalerType) +} + +// Init populates the properties from a protocol buffer struct tag. +func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) { + p.init(typ, name, tag, f, true) +} + +func (p *Properties) init(typ reflect.Type, name, tag string, f *reflect.StructField, lockGetProp bool) { + // "bytes,49,opt,def=hello!" + p.Name = name + p.OrigName = name + if f != nil { + p.field = toField(f) + } + if tag == "" { + return + } + p.Parse(tag) + p.setEncAndDec(typ, f, lockGetProp) +} + +var ( + propertiesMu sync.RWMutex + propertiesMap = make(map[reflect.Type]*StructProperties) +) + +// GetProperties returns the list of properties for the type represented by t. +// t must represent a generated struct type of a protocol message. +func GetProperties(t reflect.Type) *StructProperties { + if t.Kind() != reflect.Struct { + panic("proto: type must have kind struct") + } + + // Most calls to GetProperties in a long-running program will be + // retrieving details for types we have seen before. + propertiesMu.RLock() + sprop, ok := propertiesMap[t] + propertiesMu.RUnlock() + if ok { + if collectStats { + stats.Chit++ + } + return sprop + } + + propertiesMu.Lock() + sprop = getPropertiesLocked(t) + propertiesMu.Unlock() + return sprop +} + +// getPropertiesLocked requires that propertiesMu is held. +func getPropertiesLocked(t reflect.Type) *StructProperties { + if prop, ok := propertiesMap[t]; ok { + if collectStats { + stats.Chit++ + } + return prop + } + if collectStats { + stats.Cmiss++ + } + + prop := new(StructProperties) + // in case of recursive protos, fill this in now. + propertiesMap[t] = prop + + // build properties + prop.extendable = reflect.PtrTo(t).Implements(extendableProtoType) || + reflect.PtrTo(t).Implements(extendableProtoV1Type) + prop.unrecField = invalidField + prop.Prop = make([]*Properties, t.NumField()) + prop.order = make([]int, t.NumField()) + + for i := 0; i < t.NumField(); i++ { + f := t.Field(i) + p := new(Properties) + name := f.Name + p.init(f.Type, name, f.Tag.Get("protobuf"), &f, false) + + if f.Name == "XXX_InternalExtensions" { // special case + p.enc = (*Buffer).enc_exts + p.dec = nil // not needed + p.size = size_exts + } else if f.Name == "XXX_extensions" { // special case + p.enc = (*Buffer).enc_map + p.dec = nil // not needed + p.size = size_map + } else if f.Name == "XXX_unrecognized" { // special case + prop.unrecField = toField(&f) + } + oneof := f.Tag.Get("protobuf_oneof") // special case + if oneof != "" { + // Oneof fields don't use the traditional protobuf tag. + p.OrigName = oneof + } + prop.Prop[i] = p + prop.order[i] = i + if debug { + print(i, " ", f.Name, " ", t.String(), " ") + if p.Tag > 0 { + print(p.String()) + } + print("\n") + } + if p.enc == nil && !strings.HasPrefix(f.Name, "XXX_") && oneof == "" { + fmt.Fprintln(os.Stderr, "proto: no encoder for", f.Name, f.Type.String(), "[GetProperties]") + } + } + + // Re-order prop.order. + sort.Sort(prop) + + type oneofMessage interface { + XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{}) + } + if om, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok { + var oots []interface{} + prop.oneofMarshaler, prop.oneofUnmarshaler, prop.oneofSizer, oots = om.XXX_OneofFuncs() + prop.stype = t + + // Interpret oneof metadata. + prop.OneofTypes = make(map[string]*OneofProperties) + for _, oot := range oots { + oop := &OneofProperties{ + Type: reflect.ValueOf(oot).Type(), // *T + Prop: new(Properties), + } + sft := oop.Type.Elem().Field(0) + oop.Prop.Name = sft.Name + oop.Prop.Parse(sft.Tag.Get("protobuf")) + // There will be exactly one interface field that + // this new value is assignable to. + for i := 0; i < t.NumField(); i++ { + f := t.Field(i) + if f.Type.Kind() != reflect.Interface { + continue + } + if !oop.Type.AssignableTo(f.Type) { + continue + } + oop.Field = i + break + } + prop.OneofTypes[oop.Prop.OrigName] = oop + } + } + + // build required counts + // build tags + reqCount := 0 + prop.decoderOrigNames = make(map[string]int) + for i, p := range prop.Prop { + if strings.HasPrefix(p.Name, "XXX_") { + // Internal fields should not appear in tags/origNames maps. + // They are handled specially when encoding and decoding. + continue + } + if p.Required { + reqCount++ + } + prop.decoderTags.put(p.Tag, i) + prop.decoderOrigNames[p.OrigName] = i + } + prop.reqCount = reqCount + + return prop +} + +// Return the Properties object for the x[0]'th field of the structure. +func propByIndex(t reflect.Type, x []int) *Properties { + if len(x) != 1 { + fmt.Fprintf(os.Stderr, "proto: field index dimension %d (not 1) for type %s\n", len(x), t) + return nil + } + prop := GetProperties(t) + return prop.Prop[x[0]] +} + +// Get the address and type of a pointer to a struct from an interface. +func getbase(pb Message) (t reflect.Type, b structPointer, err error) { + if pb == nil { + err = ErrNil + return + } + // get the reflect type of the pointer to the struct. + t = reflect.TypeOf(pb) + // get the address of the struct. + value := reflect.ValueOf(pb) + b = toStructPointer(value) + return +} + +// A global registry of enum types. +// The generated code will register the generated maps by calling RegisterEnum. + +var enumValueMaps = make(map[string]map[string]int32) + +// RegisterEnum is called from the generated code to install the enum descriptor +// maps into the global table to aid parsing text format protocol buffers. +func RegisterEnum(typeName string, unusedNameMap map[int32]string, valueMap map[string]int32) { + if _, ok := enumValueMaps[typeName]; ok { + panic("proto: duplicate enum registered: " + typeName) + } + enumValueMaps[typeName] = valueMap +} + +// EnumValueMap returns the mapping from names to integers of the +// enum type enumType, or a nil if not found. +func EnumValueMap(enumType string) map[string]int32 { + return enumValueMaps[enumType] +} + +// A registry of all linked message types. +// The string is a fully-qualified proto name ("pkg.Message"). +var ( + protoTypes = make(map[string]reflect.Type) + revProtoTypes = make(map[reflect.Type]string) +) + +// RegisterType is called from generated code and maps from the fully qualified +// proto name to the type (pointer to struct) of the protocol buffer. +func RegisterType(x Message, name string) { + if _, ok := protoTypes[name]; ok { + // TODO: Some day, make this a panic. + log.Printf("proto: duplicate proto type registered: %s", name) + return + } + t := reflect.TypeOf(x) + protoTypes[name] = t + revProtoTypes[t] = name +} + +// MessageName returns the fully-qualified proto name for the given message type. +func MessageName(x Message) string { + type xname interface { + XXX_MessageName() string + } + if m, ok := x.(xname); ok { + return m.XXX_MessageName() + } + return revProtoTypes[reflect.TypeOf(x)] +} + +// MessageType returns the message type (pointer to struct) for a named message. +func MessageType(name string) reflect.Type { return protoTypes[name] } + +// A registry of all linked proto files. +var ( + protoFiles = make(map[string][]byte) // file name => fileDescriptor +) + +// RegisterFile is called from generated code and maps from the +// full file name of a .proto file to its compressed FileDescriptorProto. +func RegisterFile(filename string, fileDescriptor []byte) { + protoFiles[filename] = fileDescriptor +} + +// FileDescriptor returns the compressed FileDescriptorProto for a .proto file. +func FileDescriptor(filename string) []byte { return protoFiles[filename] } diff --git a/vendor/github.com/golang/protobuf/proto/text.go b/vendor/github.com/golang/protobuf/proto/text.go new file mode 100644 index 0000000..965876b --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/text.go @@ -0,0 +1,854 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2010 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +// Functions for writing the text protocol buffer format. + +import ( + "bufio" + "bytes" + "encoding" + "errors" + "fmt" + "io" + "log" + "math" + "reflect" + "sort" + "strings" +) + +var ( + newline = []byte("\n") + spaces = []byte(" ") + gtNewline = []byte(">\n") + endBraceNewline = []byte("}\n") + backslashN = []byte{'\\', 'n'} + backslashR = []byte{'\\', 'r'} + backslashT = []byte{'\\', 't'} + backslashDQ = []byte{'\\', '"'} + backslashBS = []byte{'\\', '\\'} + posInf = []byte("inf") + negInf = []byte("-inf") + nan = []byte("nan") +) + +type writer interface { + io.Writer + WriteByte(byte) error +} + +// textWriter is an io.Writer that tracks its indentation level. +type textWriter struct { + ind int + complete bool // if the current position is a complete line + compact bool // whether to write out as a one-liner + w writer +} + +func (w *textWriter) WriteString(s string) (n int, err error) { + if !strings.Contains(s, "\n") { + if !w.compact && w.complete { + w.writeIndent() + } + w.complete = false + return io.WriteString(w.w, s) + } + // WriteString is typically called without newlines, so this + // codepath and its copy are rare. We copy to avoid + // duplicating all of Write's logic here. + return w.Write([]byte(s)) +} + +func (w *textWriter) Write(p []byte) (n int, err error) { + newlines := bytes.Count(p, newline) + if newlines == 0 { + if !w.compact && w.complete { + w.writeIndent() + } + n, err = w.w.Write(p) + w.complete = false + return n, err + } + + frags := bytes.SplitN(p, newline, newlines+1) + if w.compact { + for i, frag := range frags { + if i > 0 { + if err := w.w.WriteByte(' '); err != nil { + return n, err + } + n++ + } + nn, err := w.w.Write(frag) + n += nn + if err != nil { + return n, err + } + } + return n, nil + } + + for i, frag := range frags { + if w.complete { + w.writeIndent() + } + nn, err := w.w.Write(frag) + n += nn + if err != nil { + return n, err + } + if i+1 < len(frags) { + if err := w.w.WriteByte('\n'); err != nil { + return n, err + } + n++ + } + } + w.complete = len(frags[len(frags)-1]) == 0 + return n, nil +} + +func (w *textWriter) WriteByte(c byte) error { + if w.compact && c == '\n' { + c = ' ' + } + if !w.compact && w.complete { + w.writeIndent() + } + err := w.w.WriteByte(c) + w.complete = c == '\n' + return err +} + +func (w *textWriter) indent() { w.ind++ } + +func (w *textWriter) unindent() { + if w.ind == 0 { + log.Print("proto: textWriter unindented too far") + return + } + w.ind-- +} + +func writeName(w *textWriter, props *Properties) error { + if _, err := w.WriteString(props.OrigName); err != nil { + return err + } + if props.Wire != "group" { + return w.WriteByte(':') + } + return nil +} + +// raw is the interface satisfied by RawMessage. +type raw interface { + Bytes() []byte +} + +func requiresQuotes(u string) bool { + // When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted. + for _, ch := range u { + switch { + case ch == '.' || ch == '/' || ch == '_': + continue + case '0' <= ch && ch <= '9': + continue + case 'A' <= ch && ch <= 'Z': + continue + case 'a' <= ch && ch <= 'z': + continue + default: + return true + } + } + return false +} + +// isAny reports whether sv is a google.protobuf.Any message +func isAny(sv reflect.Value) bool { + type wkt interface { + XXX_WellKnownType() string + } + t, ok := sv.Addr().Interface().(wkt) + return ok && t.XXX_WellKnownType() == "Any" +} + +// writeProto3Any writes an expanded google.protobuf.Any message. +// +// It returns (false, nil) if sv value can't be unmarshaled (e.g. because +// required messages are not linked in). +// +// It returns (true, error) when sv was written in expanded format or an error +// was encountered. +func (tm *TextMarshaler) writeProto3Any(w *textWriter, sv reflect.Value) (bool, error) { + turl := sv.FieldByName("TypeUrl") + val := sv.FieldByName("Value") + if !turl.IsValid() || !val.IsValid() { + return true, errors.New("proto: invalid google.protobuf.Any message") + } + + b, ok := val.Interface().([]byte) + if !ok { + return true, errors.New("proto: invalid google.protobuf.Any message") + } + + parts := strings.Split(turl.String(), "/") + mt := MessageType(parts[len(parts)-1]) + if mt == nil { + return false, nil + } + m := reflect.New(mt.Elem()) + if err := Unmarshal(b, m.Interface().(Message)); err != nil { + return false, nil + } + w.Write([]byte("[")) + u := turl.String() + if requiresQuotes(u) { + writeString(w, u) + } else { + w.Write([]byte(u)) + } + if w.compact { + w.Write([]byte("]:<")) + } else { + w.Write([]byte("]: <\n")) + w.ind++ + } + if err := tm.writeStruct(w, m.Elem()); err != nil { + return true, err + } + if w.compact { + w.Write([]byte("> ")) + } else { + w.ind-- + w.Write([]byte(">\n")) + } + return true, nil +} + +func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error { + if tm.ExpandAny && isAny(sv) { + if canExpand, err := tm.writeProto3Any(w, sv); canExpand { + return err + } + } + st := sv.Type() + sprops := GetProperties(st) + for i := 0; i < sv.NumField(); i++ { + fv := sv.Field(i) + props := sprops.Prop[i] + name := st.Field(i).Name + + if strings.HasPrefix(name, "XXX_") { + // There are two XXX_ fields: + // XXX_unrecognized []byte + // XXX_extensions map[int32]proto.Extension + // The first is handled here; + // the second is handled at the bottom of this function. + if name == "XXX_unrecognized" && !fv.IsNil() { + if err := writeUnknownStruct(w, fv.Interface().([]byte)); err != nil { + return err + } + } + continue + } + if fv.Kind() == reflect.Ptr && fv.IsNil() { + // Field not filled in. This could be an optional field or + // a required field that wasn't filled in. Either way, there + // isn't anything we can show for it. + continue + } + if fv.Kind() == reflect.Slice && fv.IsNil() { + // Repeated field that is empty, or a bytes field that is unused. + continue + } + + if props.Repeated && fv.Kind() == reflect.Slice { + // Repeated field. + for j := 0; j < fv.Len(); j++ { + if err := writeName(w, props); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte(' '); err != nil { + return err + } + } + v := fv.Index(j) + if v.Kind() == reflect.Ptr && v.IsNil() { + // A nil message in a repeated field is not valid, + // but we can handle that more gracefully than panicking. + if _, err := w.Write([]byte("\n")); err != nil { + return err + } + continue + } + if err := tm.writeAny(w, v, props); err != nil { + return err + } + if err := w.WriteByte('\n'); err != nil { + return err + } + } + continue + } + if fv.Kind() == reflect.Map { + // Map fields are rendered as a repeated struct with key/value fields. + keys := fv.MapKeys() + sort.Sort(mapKeys(keys)) + for _, key := range keys { + val := fv.MapIndex(key) + if err := writeName(w, props); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte(' '); err != nil { + return err + } + } + // open struct + if err := w.WriteByte('<'); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte('\n'); err != nil { + return err + } + } + w.indent() + // key + if _, err := w.WriteString("key:"); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte(' '); err != nil { + return err + } + } + if err := tm.writeAny(w, key, props.mkeyprop); err != nil { + return err + } + if err := w.WriteByte('\n'); err != nil { + return err + } + // nil values aren't legal, but we can avoid panicking because of them. + if val.Kind() != reflect.Ptr || !val.IsNil() { + // value + if _, err := w.WriteString("value:"); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte(' '); err != nil { + return err + } + } + if err := tm.writeAny(w, val, props.mvalprop); err != nil { + return err + } + if err := w.WriteByte('\n'); err != nil { + return err + } + } + // close struct + w.unindent() + if err := w.WriteByte('>'); err != nil { + return err + } + if err := w.WriteByte('\n'); err != nil { + return err + } + } + continue + } + if props.proto3 && fv.Kind() == reflect.Slice && fv.Len() == 0 { + // empty bytes field + continue + } + if fv.Kind() != reflect.Ptr && fv.Kind() != reflect.Slice { + // proto3 non-repeated scalar field; skip if zero value + if isProto3Zero(fv) { + continue + } + } + + if fv.Kind() == reflect.Interface { + // Check if it is a oneof. + if st.Field(i).Tag.Get("protobuf_oneof") != "" { + // fv is nil, or holds a pointer to generated struct. + // That generated struct has exactly one field, + // which has a protobuf struct tag. + if fv.IsNil() { + continue + } + inner := fv.Elem().Elem() // interface -> *T -> T + tag := inner.Type().Field(0).Tag.Get("protobuf") + props = new(Properties) // Overwrite the outer props var, but not its pointee. + props.Parse(tag) + // Write the value in the oneof, not the oneof itself. + fv = inner.Field(0) + + // Special case to cope with malformed messages gracefully: + // If the value in the oneof is a nil pointer, don't panic + // in writeAny. + if fv.Kind() == reflect.Ptr && fv.IsNil() { + // Use errors.New so writeAny won't render quotes. + msg := errors.New("/* nil */") + fv = reflect.ValueOf(&msg).Elem() + } + } + } + + if err := writeName(w, props); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte(' '); err != nil { + return err + } + } + if b, ok := fv.Interface().(raw); ok { + if err := writeRaw(w, b.Bytes()); err != nil { + return err + } + continue + } + + // Enums have a String method, so writeAny will work fine. + if err := tm.writeAny(w, fv, props); err != nil { + return err + } + + if err := w.WriteByte('\n'); err != nil { + return err + } + } + + // Extensions (the XXX_extensions field). + pv := sv.Addr() + if _, ok := extendable(pv.Interface()); ok { + if err := tm.writeExtensions(w, pv); err != nil { + return err + } + } + + return nil +} + +// writeRaw writes an uninterpreted raw message. +func writeRaw(w *textWriter, b []byte) error { + if err := w.WriteByte('<'); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte('\n'); err != nil { + return err + } + } + w.indent() + if err := writeUnknownStruct(w, b); err != nil { + return err + } + w.unindent() + if err := w.WriteByte('>'); err != nil { + return err + } + return nil +} + +// writeAny writes an arbitrary field. +func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error { + v = reflect.Indirect(v) + + // Floats have special cases. + if v.Kind() == reflect.Float32 || v.Kind() == reflect.Float64 { + x := v.Float() + var b []byte + switch { + case math.IsInf(x, 1): + b = posInf + case math.IsInf(x, -1): + b = negInf + case math.IsNaN(x): + b = nan + } + if b != nil { + _, err := w.Write(b) + return err + } + // Other values are handled below. + } + + // We don't attempt to serialise every possible value type; only those + // that can occur in protocol buffers. + switch v.Kind() { + case reflect.Slice: + // Should only be a []byte; repeated fields are handled in writeStruct. + if err := writeString(w, string(v.Bytes())); err != nil { + return err + } + case reflect.String: + if err := writeString(w, v.String()); err != nil { + return err + } + case reflect.Struct: + // Required/optional group/message. + var bra, ket byte = '<', '>' + if props != nil && props.Wire == "group" { + bra, ket = '{', '}' + } + if err := w.WriteByte(bra); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte('\n'); err != nil { + return err + } + } + w.indent() + if etm, ok := v.Interface().(encoding.TextMarshaler); ok { + text, err := etm.MarshalText() + if err != nil { + return err + } + if _, err = w.Write(text); err != nil { + return err + } + } else if err := tm.writeStruct(w, v); err != nil { + return err + } + w.unindent() + if err := w.WriteByte(ket); err != nil { + return err + } + default: + _, err := fmt.Fprint(w, v.Interface()) + return err + } + return nil +} + +// equivalent to C's isprint. +func isprint(c byte) bool { + return c >= 0x20 && c < 0x7f +} + +// writeString writes a string in the protocol buffer text format. +// It is similar to strconv.Quote except we don't use Go escape sequences, +// we treat the string as a byte sequence, and we use octal escapes. +// These differences are to maintain interoperability with the other +// languages' implementations of the text format. +func writeString(w *textWriter, s string) error { + // use WriteByte here to get any needed indent + if err := w.WriteByte('"'); err != nil { + return err + } + // Loop over the bytes, not the runes. + for i := 0; i < len(s); i++ { + var err error + // Divergence from C++: we don't escape apostrophes. + // There's no need to escape them, and the C++ parser + // copes with a naked apostrophe. + switch c := s[i]; c { + case '\n': + _, err = w.w.Write(backslashN) + case '\r': + _, err = w.w.Write(backslashR) + case '\t': + _, err = w.w.Write(backslashT) + case '"': + _, err = w.w.Write(backslashDQ) + case '\\': + _, err = w.w.Write(backslashBS) + default: + if isprint(c) { + err = w.w.WriteByte(c) + } else { + _, err = fmt.Fprintf(w.w, "\\%03o", c) + } + } + if err != nil { + return err + } + } + return w.WriteByte('"') +} + +func writeUnknownStruct(w *textWriter, data []byte) (err error) { + if !w.compact { + if _, err := fmt.Fprintf(w, "/* %d unknown bytes */\n", len(data)); err != nil { + return err + } + } + b := NewBuffer(data) + for b.index < len(b.buf) { + x, err := b.DecodeVarint() + if err != nil { + _, err := fmt.Fprintf(w, "/* %v */\n", err) + return err + } + wire, tag := x&7, x>>3 + if wire == WireEndGroup { + w.unindent() + if _, err := w.Write(endBraceNewline); err != nil { + return err + } + continue + } + if _, err := fmt.Fprint(w, tag); err != nil { + return err + } + if wire != WireStartGroup { + if err := w.WriteByte(':'); err != nil { + return err + } + } + if !w.compact || wire == WireStartGroup { + if err := w.WriteByte(' '); err != nil { + return err + } + } + switch wire { + case WireBytes: + buf, e := b.DecodeRawBytes(false) + if e == nil { + _, err = fmt.Fprintf(w, "%q", buf) + } else { + _, err = fmt.Fprintf(w, "/* %v */", e) + } + case WireFixed32: + x, err = b.DecodeFixed32() + err = writeUnknownInt(w, x, err) + case WireFixed64: + x, err = b.DecodeFixed64() + err = writeUnknownInt(w, x, err) + case WireStartGroup: + err = w.WriteByte('{') + w.indent() + case WireVarint: + x, err = b.DecodeVarint() + err = writeUnknownInt(w, x, err) + default: + _, err = fmt.Fprintf(w, "/* unknown wire type %d */", wire) + } + if err != nil { + return err + } + if err = w.WriteByte('\n'); err != nil { + return err + } + } + return nil +} + +func writeUnknownInt(w *textWriter, x uint64, err error) error { + if err == nil { + _, err = fmt.Fprint(w, x) + } else { + _, err = fmt.Fprintf(w, "/* %v */", err) + } + return err +} + +type int32Slice []int32 + +func (s int32Slice) Len() int { return len(s) } +func (s int32Slice) Less(i, j int) bool { return s[i] < s[j] } +func (s int32Slice) Swap(i, j int) { s[i], s[j] = s[j], s[i] } + +// writeExtensions writes all the extensions in pv. +// pv is assumed to be a pointer to a protocol message struct that is extendable. +func (tm *TextMarshaler) writeExtensions(w *textWriter, pv reflect.Value) error { + emap := extensionMaps[pv.Type().Elem()] + ep, _ := extendable(pv.Interface()) + + // Order the extensions by ID. + // This isn't strictly necessary, but it will give us + // canonical output, which will also make testing easier. + m, mu := ep.extensionsRead() + if m == nil { + return nil + } + mu.Lock() + ids := make([]int32, 0, len(m)) + for id := range m { + ids = append(ids, id) + } + sort.Sort(int32Slice(ids)) + mu.Unlock() + + for _, extNum := range ids { + ext := m[extNum] + var desc *ExtensionDesc + if emap != nil { + desc = emap[extNum] + } + if desc == nil { + // Unknown extension. + if err := writeUnknownStruct(w, ext.enc); err != nil { + return err + } + continue + } + + pb, err := GetExtension(ep, desc) + if err != nil { + return fmt.Errorf("failed getting extension: %v", err) + } + + // Repeated extensions will appear as a slice. + if !desc.repeated() { + if err := tm.writeExtension(w, desc.Name, pb); err != nil { + return err + } + } else { + v := reflect.ValueOf(pb) + for i := 0; i < v.Len(); i++ { + if err := tm.writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil { + return err + } + } + } + } + return nil +} + +func (tm *TextMarshaler) writeExtension(w *textWriter, name string, pb interface{}) error { + if _, err := fmt.Fprintf(w, "[%s]:", name); err != nil { + return err + } + if !w.compact { + if err := w.WriteByte(' '); err != nil { + return err + } + } + if err := tm.writeAny(w, reflect.ValueOf(pb), nil); err != nil { + return err + } + if err := w.WriteByte('\n'); err != nil { + return err + } + return nil +} + +func (w *textWriter) writeIndent() { + if !w.complete { + return + } + remain := w.ind * 2 + for remain > 0 { + n := remain + if n > len(spaces) { + n = len(spaces) + } + w.w.Write(spaces[:n]) + remain -= n + } + w.complete = false +} + +// TextMarshaler is a configurable text format marshaler. +type TextMarshaler struct { + Compact bool // use compact text format (one line). + ExpandAny bool // expand google.protobuf.Any messages of known types +} + +// Marshal writes a given protocol buffer in text format. +// The only errors returned are from w. +func (tm *TextMarshaler) Marshal(w io.Writer, pb Message) error { + val := reflect.ValueOf(pb) + if pb == nil || val.IsNil() { + w.Write([]byte("")) + return nil + } + var bw *bufio.Writer + ww, ok := w.(writer) + if !ok { + bw = bufio.NewWriter(w) + ww = bw + } + aw := &textWriter{ + w: ww, + complete: true, + compact: tm.Compact, + } + + if etm, ok := pb.(encoding.TextMarshaler); ok { + text, err := etm.MarshalText() + if err != nil { + return err + } + if _, err = aw.Write(text); err != nil { + return err + } + if bw != nil { + return bw.Flush() + } + return nil + } + // Dereference the received pointer so we don't have outer < and >. + v := reflect.Indirect(val) + if err := tm.writeStruct(aw, v); err != nil { + return err + } + if bw != nil { + return bw.Flush() + } + return nil +} + +// Text is the same as Marshal, but returns the string directly. +func (tm *TextMarshaler) Text(pb Message) string { + var buf bytes.Buffer + tm.Marshal(&buf, pb) + return buf.String() +} + +var ( + defaultTextMarshaler = TextMarshaler{} + compactTextMarshaler = TextMarshaler{Compact: true} +) + +// TODO: consider removing some of the Marshal functions below. + +// MarshalText writes a given protocol buffer in text format. +// The only errors returned are from w. +func MarshalText(w io.Writer, pb Message) error { return defaultTextMarshaler.Marshal(w, pb) } + +// MarshalTextString is the same as MarshalText, but returns the string directly. +func MarshalTextString(pb Message) string { return defaultTextMarshaler.Text(pb) } + +// CompactText writes a given protocol buffer in compact text format (one line). +func CompactText(w io.Writer, pb Message) error { return compactTextMarshaler.Marshal(w, pb) } + +// CompactTextString is the same as CompactText, but returns the string directly. +func CompactTextString(pb Message) string { return compactTextMarshaler.Text(pb) } diff --git a/vendor/github.com/golang/protobuf/proto/text_parser.go b/vendor/github.com/golang/protobuf/proto/text_parser.go new file mode 100644 index 0000000..61f83c1 --- /dev/null +++ b/vendor/github.com/golang/protobuf/proto/text_parser.go @@ -0,0 +1,895 @@ +// Go support for Protocol Buffers - Google's data interchange format +// +// Copyright 2010 The Go Authors. All rights reserved. +// https://github.com/golang/protobuf +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package proto + +// Functions for parsing the Text protocol buffer format. +// TODO: message sets. + +import ( + "encoding" + "errors" + "fmt" + "reflect" + "strconv" + "strings" + "unicode/utf8" +) + +// Error string emitted when deserializing Any and fields are already set +const anyRepeatedlyUnpacked = "Any message unpacked multiple times, or %q already set" + +type ParseError struct { + Message string + Line int // 1-based line number + Offset int // 0-based byte offset from start of input +} + +func (p *ParseError) Error() string { + if p.Line == 1 { + // show offset only for first line + return fmt.Sprintf("line 1.%d: %v", p.Offset, p.Message) + } + return fmt.Sprintf("line %d: %v", p.Line, p.Message) +} + +type token struct { + value string + err *ParseError + line int // line number + offset int // byte number from start of input, not start of line + unquoted string // the unquoted version of value, if it was a quoted string +} + +func (t *token) String() string { + if t.err == nil { + return fmt.Sprintf("%q (line=%d, offset=%d)", t.value, t.line, t.offset) + } + return fmt.Sprintf("parse error: %v", t.err) +} + +type textParser struct { + s string // remaining input + done bool // whether the parsing is finished (success or error) + backed bool // whether back() was called + offset, line int + cur token +} + +func newTextParser(s string) *textParser { + p := new(textParser) + p.s = s + p.line = 1 + p.cur.line = 1 + return p +} + +func (p *textParser) errorf(format string, a ...interface{}) *ParseError { + pe := &ParseError{fmt.Sprintf(format, a...), p.cur.line, p.cur.offset} + p.cur.err = pe + p.done = true + return pe +} + +// Numbers and identifiers are matched by [-+._A-Za-z0-9] +func isIdentOrNumberChar(c byte) bool { + switch { + case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z': + return true + case '0' <= c && c <= '9': + return true + } + switch c { + case '-', '+', '.', '_': + return true + } + return false +} + +func isWhitespace(c byte) bool { + switch c { + case ' ', '\t', '\n', '\r': + return true + } + return false +} + +func isQuote(c byte) bool { + switch c { + case '"', '\'': + return true + } + return false +} + +func (p *textParser) skipWhitespace() { + i := 0 + for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') { + if p.s[i] == '#' { + // comment; skip to end of line or input + for i < len(p.s) && p.s[i] != '\n' { + i++ + } + if i == len(p.s) { + break + } + } + if p.s[i] == '\n' { + p.line++ + } + i++ + } + p.offset += i + p.s = p.s[i:len(p.s)] + if len(p.s) == 0 { + p.done = true + } +} + +func (p *textParser) advance() { + // Skip whitespace + p.skipWhitespace() + if p.done { + return + } + + // Start of non-whitespace + p.cur.err = nil + p.cur.offset, p.cur.line = p.offset, p.line + p.cur.unquoted = "" + switch p.s[0] { + case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/': + // Single symbol + p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)] + case '"', '\'': + // Quoted string + i := 1 + for i < len(p.s) && p.s[i] != p.s[0] && p.s[i] != '\n' { + if p.s[i] == '\\' && i+1 < len(p.s) { + // skip escaped char + i++ + } + i++ + } + if i >= len(p.s) || p.s[i] != p.s[0] { + p.errorf("unmatched quote") + return + } + unq, err := unquoteC(p.s[1:i], rune(p.s[0])) + if err != nil { + p.errorf("invalid quoted string %s: %v", p.s[0:i+1], err) + return + } + p.cur.value, p.s = p.s[0:i+1], p.s[i+1:len(p.s)] + p.cur.unquoted = unq + default: + i := 0 + for i < len(p.s) && isIdentOrNumberChar(p.s[i]) { + i++ + } + if i == 0 { + p.errorf("unexpected byte %#x", p.s[0]) + return + } + p.cur.value, p.s = p.s[0:i], p.s[i:len(p.s)] + } + p.offset += len(p.cur.value) +} + +var ( + errBadUTF8 = errors.New("proto: bad UTF-8") + errBadHex = errors.New("proto: bad hexadecimal") +) + +func unquoteC(s string, quote rune) (string, error) { + // This is based on C++'s tokenizer.cc. + // Despite its name, this is *not* parsing C syntax. + // For instance, "\0" is an invalid quoted string. + + // Avoid allocation in trivial cases. + simple := true + for _, r := range s { + if r == '\\' || r == quote { + simple = false + break + } + } + if simple { + return s, nil + } + + buf := make([]byte, 0, 3*len(s)/2) + for len(s) > 0 { + r, n := utf8.DecodeRuneInString(s) + if r == utf8.RuneError && n == 1 { + return "", errBadUTF8 + } + s = s[n:] + if r != '\\' { + if r < utf8.RuneSelf { + buf = append(buf, byte(r)) + } else { + buf = append(buf, string(r)...) + } + continue + } + + ch, tail, err := unescape(s) + if err != nil { + return "", err + } + buf = append(buf, ch...) + s = tail + } + return string(buf), nil +} + +func unescape(s string) (ch string, tail string, err error) { + r, n := utf8.DecodeRuneInString(s) + if r == utf8.RuneError && n == 1 { + return "", "", errBadUTF8 + } + s = s[n:] + switch r { + case 'a': + return "\a", s, nil + case 'b': + return "\b", s, nil + case 'f': + return "\f", s, nil + case 'n': + return "\n", s, nil + case 'r': + return "\r", s, nil + case 't': + return "\t", s, nil + case 'v': + return "\v", s, nil + case '?': + return "?", s, nil // trigraph workaround + case '\'', '"', '\\': + return string(r), s, nil + case '0', '1', '2', '3', '4', '5', '6', '7', 'x', 'X': + if len(s) < 2 { + return "", "", fmt.Errorf(`\%c requires 2 following digits`, r) + } + base := 8 + ss := s[:2] + s = s[2:] + if r == 'x' || r == 'X' { + base = 16 + } else { + ss = string(r) + ss + } + i, err := strconv.ParseUint(ss, base, 8) + if err != nil { + return "", "", err + } + return string([]byte{byte(i)}), s, nil + case 'u', 'U': + n := 4 + if r == 'U' { + n = 8 + } + if len(s) < n { + return "", "", fmt.Errorf(`\%c requires %d digits`, r, n) + } + + bs := make([]byte, n/2) + for i := 0; i < n; i += 2 { + a, ok1 := unhex(s[i]) + b, ok2 := unhex(s[i+1]) + if !ok1 || !ok2 { + return "", "", errBadHex + } + bs[i/2] = a<<4 | b + } + s = s[n:] + return string(bs), s, nil + } + return "", "", fmt.Errorf(`unknown escape \%c`, r) +} + +// Adapted from src/pkg/strconv/quote.go. +func unhex(b byte) (v byte, ok bool) { + switch { + case '0' <= b && b <= '9': + return b - '0', true + case 'a' <= b && b <= 'f': + return b - 'a' + 10, true + case 'A' <= b && b <= 'F': + return b - 'A' + 10, true + } + return 0, false +} + +// Back off the parser by one token. Can only be done between calls to next(). +// It makes the next advance() a no-op. +func (p *textParser) back() { p.backed = true } + +// Advances the parser and returns the new current token. +func (p *textParser) next() *token { + if p.backed || p.done { + p.backed = false + return &p.cur + } + p.advance() + if p.done { + p.cur.value = "" + } else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) { + // Look for multiple quoted strings separated by whitespace, + // and concatenate them. + cat := p.cur + for { + p.skipWhitespace() + if p.done || !isQuote(p.s[0]) { + break + } + p.advance() + if p.cur.err != nil { + return &p.cur + } + cat.value += " " + p.cur.value + cat.unquoted += p.cur.unquoted + } + p.done = false // parser may have seen EOF, but we want to return cat + p.cur = cat + } + return &p.cur +} + +func (p *textParser) consumeToken(s string) error { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value != s { + p.back() + return p.errorf("expected %q, found %q", s, tok.value) + } + return nil +} + +// Return a RequiredNotSetError indicating which required field was not set. +func (p *textParser) missingRequiredFieldError(sv reflect.Value) *RequiredNotSetError { + st := sv.Type() + sprops := GetProperties(st) + for i := 0; i < st.NumField(); i++ { + if !isNil(sv.Field(i)) { + continue + } + + props := sprops.Prop[i] + if props.Required { + return &RequiredNotSetError{fmt.Sprintf("%v.%v", st, props.OrigName)} + } + } + return &RequiredNotSetError{fmt.Sprintf("%v.", st)} // should not happen +} + +// Returns the index in the struct for the named field, as well as the parsed tag properties. +func structFieldByName(sprops *StructProperties, name string) (int, *Properties, bool) { + i, ok := sprops.decoderOrigNames[name] + if ok { + return i, sprops.Prop[i], true + } + return -1, nil, false +} + +// Consume a ':' from the input stream (if the next token is a colon), +// returning an error if a colon is needed but not present. +func (p *textParser) checkForColon(props *Properties, typ reflect.Type) *ParseError { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value != ":" { + // Colon is optional when the field is a group or message. + needColon := true + switch props.Wire { + case "group": + needColon = false + case "bytes": + // A "bytes" field is either a message, a string, or a repeated field; + // those three become *T, *string and []T respectively, so we can check for + // this field being a pointer to a non-string. + if typ.Kind() == reflect.Ptr { + // *T or *string + if typ.Elem().Kind() == reflect.String { + break + } + } else if typ.Kind() == reflect.Slice { + // []T or []*T + if typ.Elem().Kind() != reflect.Ptr { + break + } + } else if typ.Kind() == reflect.String { + // The proto3 exception is for a string field, + // which requires a colon. + break + } + needColon = false + } + if needColon { + return p.errorf("expected ':', found %q", tok.value) + } + p.back() + } + return nil +} + +func (p *textParser) readStruct(sv reflect.Value, terminator string) error { + st := sv.Type() + sprops := GetProperties(st) + reqCount := sprops.reqCount + var reqFieldErr error + fieldSet := make(map[string]bool) + // A struct is a sequence of "name: value", terminated by one of + // '>' or '}', or the end of the input. A name may also be + // "[extension]" or "[type/url]". + // + // The whole struct can also be an expanded Any message, like: + // [type/url] < ... struct contents ... > + for { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value == terminator { + break + } + if tok.value == "[" { + // Looks like an extension or an Any. + // + // TODO: Check whether we need to handle + // namespace rooted names (e.g. ".something.Foo"). + extName, err := p.consumeExtName() + if err != nil { + return err + } + + if s := strings.LastIndex(extName, "/"); s >= 0 { + // If it contains a slash, it's an Any type URL. + messageName := extName[s+1:] + mt := MessageType(messageName) + if mt == nil { + return p.errorf("unrecognized message %q in google.protobuf.Any", messageName) + } + tok = p.next() + if tok.err != nil { + return tok.err + } + // consume an optional colon + if tok.value == ":" { + tok = p.next() + if tok.err != nil { + return tok.err + } + } + var terminator string + switch tok.value { + case "<": + terminator = ">" + case "{": + terminator = "}" + default: + return p.errorf("expected '{' or '<', found %q", tok.value) + } + v := reflect.New(mt.Elem()) + if pe := p.readStruct(v.Elem(), terminator); pe != nil { + return pe + } + b, err := Marshal(v.Interface().(Message)) + if err != nil { + return p.errorf("failed to marshal message of type %q: %v", messageName, err) + } + if fieldSet["type_url"] { + return p.errorf(anyRepeatedlyUnpacked, "type_url") + } + if fieldSet["value"] { + return p.errorf(anyRepeatedlyUnpacked, "value") + } + sv.FieldByName("TypeUrl").SetString(extName) + sv.FieldByName("Value").SetBytes(b) + fieldSet["type_url"] = true + fieldSet["value"] = true + continue + } + + var desc *ExtensionDesc + // This could be faster, but it's functional. + // TODO: Do something smarter than a linear scan. + for _, d := range RegisteredExtensions(reflect.New(st).Interface().(Message)) { + if d.Name == extName { + desc = d + break + } + } + if desc == nil { + return p.errorf("unrecognized extension %q", extName) + } + + props := &Properties{} + props.Parse(desc.Tag) + + typ := reflect.TypeOf(desc.ExtensionType) + if err := p.checkForColon(props, typ); err != nil { + return err + } + + rep := desc.repeated() + + // Read the extension structure, and set it in + // the value we're constructing. + var ext reflect.Value + if !rep { + ext = reflect.New(typ).Elem() + } else { + ext = reflect.New(typ.Elem()).Elem() + } + if err := p.readAny(ext, props); err != nil { + if _, ok := err.(*RequiredNotSetError); !ok { + return err + } + reqFieldErr = err + } + ep := sv.Addr().Interface().(Message) + if !rep { + SetExtension(ep, desc, ext.Interface()) + } else { + old, err := GetExtension(ep, desc) + var sl reflect.Value + if err == nil { + sl = reflect.ValueOf(old) // existing slice + } else { + sl = reflect.MakeSlice(typ, 0, 1) + } + sl = reflect.Append(sl, ext) + SetExtension(ep, desc, sl.Interface()) + } + if err := p.consumeOptionalSeparator(); err != nil { + return err + } + continue + } + + // This is a normal, non-extension field. + name := tok.value + var dst reflect.Value + fi, props, ok := structFieldByName(sprops, name) + if ok { + dst = sv.Field(fi) + } else if oop, ok := sprops.OneofTypes[name]; ok { + // It is a oneof. + props = oop.Prop + nv := reflect.New(oop.Type.Elem()) + dst = nv.Elem().Field(0) + field := sv.Field(oop.Field) + if !field.IsNil() { + return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, sv.Type().Field(oop.Field).Name) + } + field.Set(nv) + } + if !dst.IsValid() { + return p.errorf("unknown field name %q in %v", name, st) + } + + if dst.Kind() == reflect.Map { + // Consume any colon. + if err := p.checkForColon(props, dst.Type()); err != nil { + return err + } + + // Construct the map if it doesn't already exist. + if dst.IsNil() { + dst.Set(reflect.MakeMap(dst.Type())) + } + key := reflect.New(dst.Type().Key()).Elem() + val := reflect.New(dst.Type().Elem()).Elem() + + // The map entry should be this sequence of tokens: + // < key : KEY value : VALUE > + // However, implementations may omit key or value, and technically + // we should support them in any order. See b/28924776 for a time + // this went wrong. + + tok := p.next() + var terminator string + switch tok.value { + case "<": + terminator = ">" + case "{": + terminator = "}" + default: + return p.errorf("expected '{' or '<', found %q", tok.value) + } + for { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value == terminator { + break + } + switch tok.value { + case "key": + if err := p.consumeToken(":"); err != nil { + return err + } + if err := p.readAny(key, props.mkeyprop); err != nil { + return err + } + if err := p.consumeOptionalSeparator(); err != nil { + return err + } + case "value": + if err := p.checkForColon(props.mvalprop, dst.Type().Elem()); err != nil { + return err + } + if err := p.readAny(val, props.mvalprop); err != nil { + return err + } + if err := p.consumeOptionalSeparator(); err != nil { + return err + } + default: + p.back() + return p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value) + } + } + + dst.SetMapIndex(key, val) + continue + } + + // Check that it's not already set if it's not a repeated field. + if !props.Repeated && fieldSet[name] { + return p.errorf("non-repeated field %q was repeated", name) + } + + if err := p.checkForColon(props, dst.Type()); err != nil { + return err + } + + // Parse into the field. + fieldSet[name] = true + if err := p.readAny(dst, props); err != nil { + if _, ok := err.(*RequiredNotSetError); !ok { + return err + } + reqFieldErr = err + } + if props.Required { + reqCount-- + } + + if err := p.consumeOptionalSeparator(); err != nil { + return err + } + + } + + if reqCount > 0 { + return p.missingRequiredFieldError(sv) + } + return reqFieldErr +} + +// consumeExtName consumes extension name or expanded Any type URL and the +// following ']'. It returns the name or URL consumed. +func (p *textParser) consumeExtName() (string, error) { + tok := p.next() + if tok.err != nil { + return "", tok.err + } + + // If extension name or type url is quoted, it's a single token. + if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] { + name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0])) + if err != nil { + return "", err + } + return name, p.consumeToken("]") + } + + // Consume everything up to "]" + var parts []string + for tok.value != "]" { + parts = append(parts, tok.value) + tok = p.next() + if tok.err != nil { + return "", p.errorf("unrecognized type_url or extension name: %s", tok.err) + } + } + return strings.Join(parts, ""), nil +} + +// consumeOptionalSeparator consumes an optional semicolon or comma. +// It is used in readStruct to provide backward compatibility. +func (p *textParser) consumeOptionalSeparator() error { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value != ";" && tok.value != "," { + p.back() + } + return nil +} + +func (p *textParser) readAny(v reflect.Value, props *Properties) error { + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value == "" { + return p.errorf("unexpected EOF") + } + + switch fv := v; fv.Kind() { + case reflect.Slice: + at := v.Type() + if at.Elem().Kind() == reflect.Uint8 { + // Special case for []byte + if tok.value[0] != '"' && tok.value[0] != '\'' { + // Deliberately written out here, as the error after + // this switch statement would write "invalid []byte: ...", + // which is not as user-friendly. + return p.errorf("invalid string: %v", tok.value) + } + bytes := []byte(tok.unquoted) + fv.Set(reflect.ValueOf(bytes)) + return nil + } + // Repeated field. + if tok.value == "[" { + // Repeated field with list notation, like [1,2,3]. + for { + fv.Set(reflect.Append(fv, reflect.New(at.Elem()).Elem())) + err := p.readAny(fv.Index(fv.Len()-1), props) + if err != nil { + return err + } + tok := p.next() + if tok.err != nil { + return tok.err + } + if tok.value == "]" { + break + } + if tok.value != "," { + return p.errorf("Expected ']' or ',' found %q", tok.value) + } + } + return nil + } + // One value of the repeated field. + p.back() + fv.Set(reflect.Append(fv, reflect.New(at.Elem()).Elem())) + return p.readAny(fv.Index(fv.Len()-1), props) + case reflect.Bool: + // true/1/t/True or false/f/0/False. + switch tok.value { + case "true", "1", "t", "True": + fv.SetBool(true) + return nil + case "false", "0", "f", "False": + fv.SetBool(false) + return nil + } + case reflect.Float32, reflect.Float64: + v := tok.value + // Ignore 'f' for compatibility with output generated by C++, but don't + // remove 'f' when the value is "-inf" or "inf". + if strings.HasSuffix(v, "f") && tok.value != "-inf" && tok.value != "inf" { + v = v[:len(v)-1] + } + if f, err := strconv.ParseFloat(v, fv.Type().Bits()); err == nil { + fv.SetFloat(f) + return nil + } + case reflect.Int32: + if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil { + fv.SetInt(x) + return nil + } + + if len(props.Enum) == 0 { + break + } + m, ok := enumValueMaps[props.Enum] + if !ok { + break + } + x, ok := m[tok.value] + if !ok { + break + } + fv.SetInt(int64(x)) + return nil + case reflect.Int64: + if x, err := strconv.ParseInt(tok.value, 0, 64); err == nil { + fv.SetInt(x) + return nil + } + + case reflect.Ptr: + // A basic field (indirected through pointer), or a repeated message/group + p.back() + fv.Set(reflect.New(fv.Type().Elem())) + return p.readAny(fv.Elem(), props) + case reflect.String: + if tok.value[0] == '"' || tok.value[0] == '\'' { + fv.SetString(tok.unquoted) + return nil + } + case reflect.Struct: + var terminator string + switch tok.value { + case "{": + terminator = "}" + case "<": + terminator = ">" + default: + return p.errorf("expected '{' or '<', found %q", tok.value) + } + // TODO: Handle nested messages which implement encoding.TextUnmarshaler. + return p.readStruct(fv, terminator) + case reflect.Uint32: + if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil { + fv.SetUint(uint64(x)) + return nil + } + case reflect.Uint64: + if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil { + fv.SetUint(x) + return nil + } + } + return p.errorf("invalid %v: %v", v.Type(), tok.value) +} + +// UnmarshalText reads a protocol buffer in Text format. UnmarshalText resets pb +// before starting to unmarshal, so any existing data in pb is always removed. +// If a required field is not set and no other error occurs, +// UnmarshalText returns *RequiredNotSetError. +func UnmarshalText(s string, pb Message) error { + if um, ok := pb.(encoding.TextUnmarshaler); ok { + err := um.UnmarshalText([]byte(s)) + return err + } + pb.Reset() + v := reflect.ValueOf(pb) + if pe := newTextParser(s).readStruct(v.Elem(), ""); pe != nil { + return pe + } + return nil +} diff --git a/vendor/github.com/gorilla/websocket/.gitignore b/vendor/github.com/gorilla/websocket/.gitignore new file mode 100644 index 0000000..cd3fcd1 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/.gitignore @@ -0,0 +1,25 @@ +# Compiled Object files, Static and Dynamic libs (Shared Objects) +*.o +*.a +*.so + +# Folders +_obj +_test + +# Architecture specific extensions/prefixes +*.[568vq] +[568vq].out + +*.cgo1.go +*.cgo2.c +_cgo_defun.c +_cgo_gotypes.go +_cgo_export.* + +_testmain.go + +*.exe + +.idea/ +*.iml diff --git a/vendor/github.com/gorilla/websocket/.travis.yml b/vendor/github.com/gorilla/websocket/.travis.yml new file mode 100644 index 0000000..a49db51 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/.travis.yml @@ -0,0 +1,19 @@ +language: go +sudo: false + +matrix: + include: + - go: 1.7.x + - go: 1.8.x + - go: 1.9.x + - go: 1.10.x + - go: 1.11.x + - go: tip + allow_failures: + - go: tip + +script: + - go get -t -v ./... + - diff -u <(echo -n) <(gofmt -d .) + - go vet $(go list ./... | grep -v /vendor/) + - go test -v -race ./... diff --git a/vendor/github.com/gorilla/websocket/AUTHORS b/vendor/github.com/gorilla/websocket/AUTHORS new file mode 100644 index 0000000..1931f40 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/AUTHORS @@ -0,0 +1,9 @@ +# This is the official list of Gorilla WebSocket authors for copyright +# purposes. +# +# Please keep the list sorted. + +Gary Burd +Google LLC (https://opensource.google.com/) +Joachim Bauch + diff --git a/vendor/github.com/gorilla/websocket/LICENSE b/vendor/github.com/gorilla/websocket/LICENSE new file mode 100644 index 0000000..9171c97 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) 2013 The Gorilla WebSocket Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + + Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/gorilla/websocket/README.md b/vendor/github.com/gorilla/websocket/README.md new file mode 100644 index 0000000..20e391f --- /dev/null +++ b/vendor/github.com/gorilla/websocket/README.md @@ -0,0 +1,64 @@ +# Gorilla WebSocket + +Gorilla WebSocket is a [Go](http://golang.org/) implementation of the +[WebSocket](http://www.rfc-editor.org/rfc/rfc6455.txt) protocol. + +[![Build Status](https://travis-ci.org/gorilla/websocket.svg?branch=master)](https://travis-ci.org/gorilla/websocket) +[![GoDoc](https://godoc.org/github.com/gorilla/websocket?status.svg)](https://godoc.org/github.com/gorilla/websocket) + +### Documentation + +* [API Reference](http://godoc.org/github.com/gorilla/websocket) +* [Chat example](https://github.com/gorilla/websocket/tree/master/examples/chat) +* [Command example](https://github.com/gorilla/websocket/tree/master/examples/command) +* [Client and server example](https://github.com/gorilla/websocket/tree/master/examples/echo) +* [File watch example](https://github.com/gorilla/websocket/tree/master/examples/filewatch) + +### Status + +The Gorilla WebSocket package provides a complete and tested implementation of +the [WebSocket](http://www.rfc-editor.org/rfc/rfc6455.txt) protocol. The +package API is stable. + +### Installation + + go get github.com/gorilla/websocket + +### Protocol Compliance + +The Gorilla WebSocket package passes the server tests in the [Autobahn Test +Suite](http://autobahn.ws/testsuite) using the application in the [examples/autobahn +subdirectory](https://github.com/gorilla/websocket/tree/master/examples/autobahn). + +### Gorilla WebSocket compared with other packages + + + + + + + + + + + + + + + + + + +
github.com/gorillagolang.org/x/net
RFC 6455 Features
Passes Autobahn Test SuiteYesNo
Receive fragmented messageYesNo, see note 1
Send close messageYesNo
Send pings and receive pongsYesNo
Get the type of a received data messageYesYes, see note 2
Other Features
Compression ExtensionsExperimentalNo
Read message using io.ReaderYesNo, see note 3
Write message using io.WriteCloserYesNo, see note 3
+ +Notes: + +1. Large messages are fragmented in [Chrome's new WebSocket implementation](http://www.ietf.org/mail-archive/web/hybi/current/msg10503.html). +2. The application can get the type of a received data message by implementing + a [Codec marshal](http://godoc.org/golang.org/x/net/websocket#Codec.Marshal) + function. +3. The go.net io.Reader and io.Writer operate across WebSocket frame boundaries. + Read returns when the input buffer is full or a frame boundary is + encountered. Each call to Write sends a single frame message. The Gorilla + io.Reader and io.WriteCloser operate on a single WebSocket message. + diff --git a/vendor/github.com/gorilla/websocket/client.go b/vendor/github.com/gorilla/websocket/client.go new file mode 100644 index 0000000..2e32fd5 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/client.go @@ -0,0 +1,395 @@ +// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package websocket + +import ( + "bytes" + "context" + "crypto/tls" + "errors" + "io" + "io/ioutil" + "net" + "net/http" + "net/http/httptrace" + "net/url" + "strings" + "time" +) + +// ErrBadHandshake is returned when the server response to opening handshake is +// invalid. +var ErrBadHandshake = errors.New("websocket: bad handshake") + +var errInvalidCompression = errors.New("websocket: invalid compression negotiation") + +// NewClient creates a new client connection using the given net connection. +// The URL u specifies the host and request URI. Use requestHeader to specify +// the origin (Origin), subprotocols (Sec-WebSocket-Protocol) and cookies +// (Cookie). Use the response.Header to get the selected subprotocol +// (Sec-WebSocket-Protocol) and cookies (Set-Cookie). +// +// If the WebSocket handshake fails, ErrBadHandshake is returned along with a +// non-nil *http.Response so that callers can handle redirects, authentication, +// etc. +// +// Deprecated: Use Dialer instead. +func NewClient(netConn net.Conn, u *url.URL, requestHeader http.Header, readBufSize, writeBufSize int) (c *Conn, response *http.Response, err error) { + d := Dialer{ + ReadBufferSize: readBufSize, + WriteBufferSize: writeBufSize, + NetDial: func(net, addr string) (net.Conn, error) { + return netConn, nil + }, + } + return d.Dial(u.String(), requestHeader) +} + +// A Dialer contains options for connecting to WebSocket server. +type Dialer struct { + // NetDial specifies the dial function for creating TCP connections. If + // NetDial is nil, net.Dial is used. + NetDial func(network, addr string) (net.Conn, error) + + // NetDialContext specifies the dial function for creating TCP connections. If + // NetDialContext is nil, net.DialContext is used. + NetDialContext func(ctx context.Context, network, addr string) (net.Conn, error) + + // Proxy specifies a function to return a proxy for a given + // Request. If the function returns a non-nil error, the + // request is aborted with the provided error. + // If Proxy is nil or returns a nil *URL, no proxy is used. + Proxy func(*http.Request) (*url.URL, error) + + // TLSClientConfig specifies the TLS configuration to use with tls.Client. + // If nil, the default configuration is used. + TLSClientConfig *tls.Config + + // HandshakeTimeout specifies the duration for the handshake to complete. + HandshakeTimeout time.Duration + + // ReadBufferSize and WriteBufferSize specify I/O buffer sizes. If a buffer + // size is zero, then a useful default size is used. The I/O buffer sizes + // do not limit the size of the messages that can be sent or received. + ReadBufferSize, WriteBufferSize int + + // WriteBufferPool is a pool of buffers for write operations. If the value + // is not set, then write buffers are allocated to the connection for the + // lifetime of the connection. + // + // A pool is most useful when the application has a modest volume of writes + // across a large number of connections. + // + // Applications should use a single pool for each unique value of + // WriteBufferSize. + WriteBufferPool BufferPool + + // Subprotocols specifies the client's requested subprotocols. + Subprotocols []string + + // EnableCompression specifies if the client should attempt to negotiate + // per message compression (RFC 7692). Setting this value to true does not + // guarantee that compression will be supported. Currently only "no context + // takeover" modes are supported. + EnableCompression bool + + // Jar specifies the cookie jar. + // If Jar is nil, cookies are not sent in requests and ignored + // in responses. + Jar http.CookieJar +} + +// Dial creates a new client connection by calling DialContext with a background context. +func (d *Dialer) Dial(urlStr string, requestHeader http.Header) (*Conn, *http.Response, error) { + return d.DialContext(context.Background(), urlStr, requestHeader) +} + +var errMalformedURL = errors.New("malformed ws or wss URL") + +func hostPortNoPort(u *url.URL) (hostPort, hostNoPort string) { + hostPort = u.Host + hostNoPort = u.Host + if i := strings.LastIndex(u.Host, ":"); i > strings.LastIndex(u.Host, "]") { + hostNoPort = hostNoPort[:i] + } else { + switch u.Scheme { + case "wss": + hostPort += ":443" + case "https": + hostPort += ":443" + default: + hostPort += ":80" + } + } + return hostPort, hostNoPort +} + +// DefaultDialer is a dialer with all fields set to the default values. +var DefaultDialer = &Dialer{ + Proxy: http.ProxyFromEnvironment, + HandshakeTimeout: 45 * time.Second, +} + +// nilDialer is dialer to use when receiver is nil. +var nilDialer = *DefaultDialer + +// DialContext creates a new client connection. Use requestHeader to specify the +// origin (Origin), subprotocols (Sec-WebSocket-Protocol) and cookies (Cookie). +// Use the response.Header to get the selected subprotocol +// (Sec-WebSocket-Protocol) and cookies (Set-Cookie). +// +// The context will be used in the request and in the Dialer +// +// If the WebSocket handshake fails, ErrBadHandshake is returned along with a +// non-nil *http.Response so that callers can handle redirects, authentication, +// etcetera. The response body may not contain the entire response and does not +// need to be closed by the application. +func (d *Dialer) DialContext(ctx context.Context, urlStr string, requestHeader http.Header) (*Conn, *http.Response, error) { + if d == nil { + d = &nilDialer + } + + challengeKey, err := generateChallengeKey() + if err != nil { + return nil, nil, err + } + + u, err := url.Parse(urlStr) + if err != nil { + return nil, nil, err + } + + switch u.Scheme { + case "ws": + u.Scheme = "http" + case "wss": + u.Scheme = "https" + default: + return nil, nil, errMalformedURL + } + + if u.User != nil { + // User name and password are not allowed in websocket URIs. + return nil, nil, errMalformedURL + } + + req := &http.Request{ + Method: "GET", + URL: u, + Proto: "HTTP/1.1", + ProtoMajor: 1, + ProtoMinor: 1, + Header: make(http.Header), + Host: u.Host, + } + req = req.WithContext(ctx) + + // Set the cookies present in the cookie jar of the dialer + if d.Jar != nil { + for _, cookie := range d.Jar.Cookies(u) { + req.AddCookie(cookie) + } + } + + // Set the request headers using the capitalization for names and values in + // RFC examples. Although the capitalization shouldn't matter, there are + // servers that depend on it. The Header.Set method is not used because the + // method canonicalizes the header names. + req.Header["Upgrade"] = []string{"websocket"} + req.Header["Connection"] = []string{"Upgrade"} + req.Header["Sec-WebSocket-Key"] = []string{challengeKey} + req.Header["Sec-WebSocket-Version"] = []string{"13"} + if len(d.Subprotocols) > 0 { + req.Header["Sec-WebSocket-Protocol"] = []string{strings.Join(d.Subprotocols, ", ")} + } + for k, vs := range requestHeader { + switch { + case k == "Host": + if len(vs) > 0 { + req.Host = vs[0] + } + case k == "Upgrade" || + k == "Connection" || + k == "Sec-Websocket-Key" || + k == "Sec-Websocket-Version" || + k == "Sec-Websocket-Extensions" || + (k == "Sec-Websocket-Protocol" && len(d.Subprotocols) > 0): + return nil, nil, errors.New("websocket: duplicate header not allowed: " + k) + case k == "Sec-Websocket-Protocol": + req.Header["Sec-WebSocket-Protocol"] = vs + default: + req.Header[k] = vs + } + } + + if d.EnableCompression { + req.Header["Sec-WebSocket-Extensions"] = []string{"permessage-deflate; server_no_context_takeover; client_no_context_takeover"} + } + + if d.HandshakeTimeout != 0 { + var cancel func() + ctx, cancel = context.WithTimeout(ctx, d.HandshakeTimeout) + defer cancel() + } + + // Get network dial function. + var netDial func(network, add string) (net.Conn, error) + + if d.NetDialContext != nil { + netDial = func(network, addr string) (net.Conn, error) { + return d.NetDialContext(ctx, network, addr) + } + } else if d.NetDial != nil { + netDial = d.NetDial + } else { + netDialer := &net.Dialer{} + netDial = func(network, addr string) (net.Conn, error) { + return netDialer.DialContext(ctx, network, addr) + } + } + + // If needed, wrap the dial function to set the connection deadline. + if deadline, ok := ctx.Deadline(); ok { + forwardDial := netDial + netDial = func(network, addr string) (net.Conn, error) { + c, err := forwardDial(network, addr) + if err != nil { + return nil, err + } + err = c.SetDeadline(deadline) + if err != nil { + c.Close() + return nil, err + } + return c, nil + } + } + + // If needed, wrap the dial function to connect through a proxy. + if d.Proxy != nil { + proxyURL, err := d.Proxy(req) + if err != nil { + return nil, nil, err + } + if proxyURL != nil { + dialer, err := proxy_FromURL(proxyURL, netDialerFunc(netDial)) + if err != nil { + return nil, nil, err + } + netDial = dialer.Dial + } + } + + hostPort, hostNoPort := hostPortNoPort(u) + trace := httptrace.ContextClientTrace(ctx) + if trace != nil && trace.GetConn != nil { + trace.GetConn(hostPort) + } + + netConn, err := netDial("tcp", hostPort) + if trace != nil && trace.GotConn != nil { + trace.GotConn(httptrace.GotConnInfo{ + Conn: netConn, + }) + } + if err != nil { + return nil, nil, err + } + + defer func() { + if netConn != nil { + netConn.Close() + } + }() + + if u.Scheme == "https" { + cfg := cloneTLSConfig(d.TLSClientConfig) + if cfg.ServerName == "" { + cfg.ServerName = hostNoPort + } + tlsConn := tls.Client(netConn, cfg) + netConn = tlsConn + + var err error + if trace != nil { + err = doHandshakeWithTrace(trace, tlsConn, cfg) + } else { + err = doHandshake(tlsConn, cfg) + } + + if err != nil { + return nil, nil, err + } + } + + conn := newConn(netConn, false, d.ReadBufferSize, d.WriteBufferSize, d.WriteBufferPool, nil, nil) + + if err := req.Write(netConn); err != nil { + return nil, nil, err + } + + if trace != nil && trace.GotFirstResponseByte != nil { + if peek, err := conn.br.Peek(1); err == nil && len(peek) == 1 { + trace.GotFirstResponseByte() + } + } + + resp, err := http.ReadResponse(conn.br, req) + if err != nil { + return nil, nil, err + } + + if d.Jar != nil { + if rc := resp.Cookies(); len(rc) > 0 { + d.Jar.SetCookies(u, rc) + } + } + + if resp.StatusCode != 101 || + !strings.EqualFold(resp.Header.Get("Upgrade"), "websocket") || + !strings.EqualFold(resp.Header.Get("Connection"), "upgrade") || + resp.Header.Get("Sec-Websocket-Accept") != computeAcceptKey(challengeKey) { + // Before closing the network connection on return from this + // function, slurp up some of the response to aid application + // debugging. + buf := make([]byte, 1024) + n, _ := io.ReadFull(resp.Body, buf) + resp.Body = ioutil.NopCloser(bytes.NewReader(buf[:n])) + return nil, resp, ErrBadHandshake + } + + for _, ext := range parseExtensions(resp.Header) { + if ext[""] != "permessage-deflate" { + continue + } + _, snct := ext["server_no_context_takeover"] + _, cnct := ext["client_no_context_takeover"] + if !snct || !cnct { + return nil, resp, errInvalidCompression + } + conn.newCompressionWriter = compressNoContextTakeover + conn.newDecompressionReader = decompressNoContextTakeover + break + } + + resp.Body = ioutil.NopCloser(bytes.NewReader([]byte{})) + conn.subprotocol = resp.Header.Get("Sec-Websocket-Protocol") + + netConn.SetDeadline(time.Time{}) + netConn = nil // to avoid close in defer. + return conn, resp, nil +} + +func doHandshake(tlsConn *tls.Conn, cfg *tls.Config) error { + if err := tlsConn.Handshake(); err != nil { + return err + } + if !cfg.InsecureSkipVerify { + if err := tlsConn.VerifyHostname(cfg.ServerName); err != nil { + return err + } + } + return nil +} diff --git a/vendor/github.com/gorilla/websocket/client_clone.go b/vendor/github.com/gorilla/websocket/client_clone.go new file mode 100644 index 0000000..4f0d943 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/client_clone.go @@ -0,0 +1,16 @@ +// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build go1.8 + +package websocket + +import "crypto/tls" + +func cloneTLSConfig(cfg *tls.Config) *tls.Config { + if cfg == nil { + return &tls.Config{} + } + return cfg.Clone() +} diff --git a/vendor/github.com/gorilla/websocket/client_clone_legacy.go b/vendor/github.com/gorilla/websocket/client_clone_legacy.go new file mode 100644 index 0000000..babb007 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/client_clone_legacy.go @@ -0,0 +1,38 @@ +// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build !go1.8 + +package websocket + +import "crypto/tls" + +// cloneTLSConfig clones all public fields except the fields +// SessionTicketsDisabled and SessionTicketKey. This avoids copying the +// sync.Mutex in the sync.Once and makes it safe to call cloneTLSConfig on a +// config in active use. +func cloneTLSConfig(cfg *tls.Config) *tls.Config { + if cfg == nil { + return &tls.Config{} + } + return &tls.Config{ + Rand: cfg.Rand, + Time: cfg.Time, + Certificates: cfg.Certificates, + NameToCertificate: cfg.NameToCertificate, + GetCertificate: cfg.GetCertificate, + RootCAs: cfg.RootCAs, + NextProtos: cfg.NextProtos, + ServerName: cfg.ServerName, + ClientAuth: cfg.ClientAuth, + ClientCAs: cfg.ClientCAs, + InsecureSkipVerify: cfg.InsecureSkipVerify, + CipherSuites: cfg.CipherSuites, + PreferServerCipherSuites: cfg.PreferServerCipherSuites, + ClientSessionCache: cfg.ClientSessionCache, + MinVersion: cfg.MinVersion, + MaxVersion: cfg.MaxVersion, + CurvePreferences: cfg.CurvePreferences, + } +} diff --git a/vendor/github.com/gorilla/websocket/compression.go b/vendor/github.com/gorilla/websocket/compression.go new file mode 100644 index 0000000..813ffb1 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/compression.go @@ -0,0 +1,148 @@ +// Copyright 2017 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package websocket + +import ( + "compress/flate" + "errors" + "io" + "strings" + "sync" +) + +const ( + minCompressionLevel = -2 // flate.HuffmanOnly not defined in Go < 1.6 + maxCompressionLevel = flate.BestCompression + defaultCompressionLevel = 1 +) + +var ( + flateWriterPools [maxCompressionLevel - minCompressionLevel + 1]sync.Pool + flateReaderPool = sync.Pool{New: func() interface{} { + return flate.NewReader(nil) + }} +) + +func decompressNoContextTakeover(r io.Reader) io.ReadCloser { + const tail = + // Add four bytes as specified in RFC + "\x00\x00\xff\xff" + + // Add final block to squelch unexpected EOF error from flate reader. + "\x01\x00\x00\xff\xff" + + fr, _ := flateReaderPool.Get().(io.ReadCloser) + fr.(flate.Resetter).Reset(io.MultiReader(r, strings.NewReader(tail)), nil) + return &flateReadWrapper{fr} +} + +func isValidCompressionLevel(level int) bool { + return minCompressionLevel <= level && level <= maxCompressionLevel +} + +func compressNoContextTakeover(w io.WriteCloser, level int) io.WriteCloser { + p := &flateWriterPools[level-minCompressionLevel] + tw := &truncWriter{w: w} + fw, _ := p.Get().(*flate.Writer) + if fw == nil { + fw, _ = flate.NewWriter(tw, level) + } else { + fw.Reset(tw) + } + return &flateWriteWrapper{fw: fw, tw: tw, p: p} +} + +// truncWriter is an io.Writer that writes all but the last four bytes of the +// stream to another io.Writer. +type truncWriter struct { + w io.WriteCloser + n int + p [4]byte +} + +func (w *truncWriter) Write(p []byte) (int, error) { + n := 0 + + // fill buffer first for simplicity. + if w.n < len(w.p) { + n = copy(w.p[w.n:], p) + p = p[n:] + w.n += n + if len(p) == 0 { + return n, nil + } + } + + m := len(p) + if m > len(w.p) { + m = len(w.p) + } + + if nn, err := w.w.Write(w.p[:m]); err != nil { + return n + nn, err + } + + copy(w.p[:], w.p[m:]) + copy(w.p[len(w.p)-m:], p[len(p)-m:]) + nn, err := w.w.Write(p[:len(p)-m]) + return n + nn, err +} + +type flateWriteWrapper struct { + fw *flate.Writer + tw *truncWriter + p *sync.Pool +} + +func (w *flateWriteWrapper) Write(p []byte) (int, error) { + if w.fw == nil { + return 0, errWriteClosed + } + return w.fw.Write(p) +} + +func (w *flateWriteWrapper) Close() error { + if w.fw == nil { + return errWriteClosed + } + err1 := w.fw.Flush() + w.p.Put(w.fw) + w.fw = nil + if w.tw.p != [4]byte{0, 0, 0xff, 0xff} { + return errors.New("websocket: internal error, unexpected bytes at end of flate stream") + } + err2 := w.tw.w.Close() + if err1 != nil { + return err1 + } + return err2 +} + +type flateReadWrapper struct { + fr io.ReadCloser +} + +func (r *flateReadWrapper) Read(p []byte) (int, error) { + if r.fr == nil { + return 0, io.ErrClosedPipe + } + n, err := r.fr.Read(p) + if err == io.EOF { + // Preemptively place the reader back in the pool. This helps with + // scenarios where the application does not call NextReader() soon after + // this final read. + r.Close() + } + return n, err +} + +func (r *flateReadWrapper) Close() error { + if r.fr == nil { + return io.ErrClosedPipe + } + err := r.fr.Close() + flateReaderPool.Put(r.fr) + r.fr = nil + return err +} diff --git a/vendor/github.com/gorilla/websocket/conn.go b/vendor/github.com/gorilla/websocket/conn.go new file mode 100644 index 0000000..d2a21c1 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/conn.go @@ -0,0 +1,1165 @@ +// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package websocket + +import ( + "bufio" + "encoding/binary" + "errors" + "io" + "io/ioutil" + "math/rand" + "net" + "strconv" + "sync" + "time" + "unicode/utf8" +) + +const ( + // Frame header byte 0 bits from Section 5.2 of RFC 6455 + finalBit = 1 << 7 + rsv1Bit = 1 << 6 + rsv2Bit = 1 << 5 + rsv3Bit = 1 << 4 + + // Frame header byte 1 bits from Section 5.2 of RFC 6455 + maskBit = 1 << 7 + + maxFrameHeaderSize = 2 + 8 + 4 // Fixed header + length + mask + maxControlFramePayloadSize = 125 + + writeWait = time.Second + + defaultReadBufferSize = 4096 + defaultWriteBufferSize = 4096 + + continuationFrame = 0 + noFrame = -1 +) + +// Close codes defined in RFC 6455, section 11.7. +const ( + CloseNormalClosure = 1000 + CloseGoingAway = 1001 + CloseProtocolError = 1002 + CloseUnsupportedData = 1003 + CloseNoStatusReceived = 1005 + CloseAbnormalClosure = 1006 + CloseInvalidFramePayloadData = 1007 + ClosePolicyViolation = 1008 + CloseMessageTooBig = 1009 + CloseMandatoryExtension = 1010 + CloseInternalServerErr = 1011 + CloseServiceRestart = 1012 + CloseTryAgainLater = 1013 + CloseTLSHandshake = 1015 +) + +// The message types are defined in RFC 6455, section 11.8. +const ( + // TextMessage denotes a text data message. The text message payload is + // interpreted as UTF-8 encoded text data. + TextMessage = 1 + + // BinaryMessage denotes a binary data message. + BinaryMessage = 2 + + // CloseMessage denotes a close control message. The optional message + // payload contains a numeric code and text. Use the FormatCloseMessage + // function to format a close message payload. + CloseMessage = 8 + + // PingMessage denotes a ping control message. The optional message payload + // is UTF-8 encoded text. + PingMessage = 9 + + // PongMessage denotes a pong control message. The optional message payload + // is UTF-8 encoded text. + PongMessage = 10 +) + +// ErrCloseSent is returned when the application writes a message to the +// connection after sending a close message. +var ErrCloseSent = errors.New("websocket: close sent") + +// ErrReadLimit is returned when reading a message that is larger than the +// read limit set for the connection. +var ErrReadLimit = errors.New("websocket: read limit exceeded") + +// netError satisfies the net Error interface. +type netError struct { + msg string + temporary bool + timeout bool +} + +func (e *netError) Error() string { return e.msg } +func (e *netError) Temporary() bool { return e.temporary } +func (e *netError) Timeout() bool { return e.timeout } + +// CloseError represents a close message. +type CloseError struct { + // Code is defined in RFC 6455, section 11.7. + Code int + + // Text is the optional text payload. + Text string +} + +func (e *CloseError) Error() string { + s := []byte("websocket: close ") + s = strconv.AppendInt(s, int64(e.Code), 10) + switch e.Code { + case CloseNormalClosure: + s = append(s, " (normal)"...) + case CloseGoingAway: + s = append(s, " (going away)"...) + case CloseProtocolError: + s = append(s, " (protocol error)"...) + case CloseUnsupportedData: + s = append(s, " (unsupported data)"...) + case CloseNoStatusReceived: + s = append(s, " (no status)"...) + case CloseAbnormalClosure: + s = append(s, " (abnormal closure)"...) + case CloseInvalidFramePayloadData: + s = append(s, " (invalid payload data)"...) + case ClosePolicyViolation: + s = append(s, " (policy violation)"...) + case CloseMessageTooBig: + s = append(s, " (message too big)"...) + case CloseMandatoryExtension: + s = append(s, " (mandatory extension missing)"...) + case CloseInternalServerErr: + s = append(s, " (internal server error)"...) + case CloseTLSHandshake: + s = append(s, " (TLS handshake error)"...) + } + if e.Text != "" { + s = append(s, ": "...) + s = append(s, e.Text...) + } + return string(s) +} + +// IsCloseError returns boolean indicating whether the error is a *CloseError +// with one of the specified codes. +func IsCloseError(err error, codes ...int) bool { + if e, ok := err.(*CloseError); ok { + for _, code := range codes { + if e.Code == code { + return true + } + } + } + return false +} + +// IsUnexpectedCloseError returns boolean indicating whether the error is a +// *CloseError with a code not in the list of expected codes. +func IsUnexpectedCloseError(err error, expectedCodes ...int) bool { + if e, ok := err.(*CloseError); ok { + for _, code := range expectedCodes { + if e.Code == code { + return false + } + } + return true + } + return false +} + +var ( + errWriteTimeout = &netError{msg: "websocket: write timeout", timeout: true, temporary: true} + errUnexpectedEOF = &CloseError{Code: CloseAbnormalClosure, Text: io.ErrUnexpectedEOF.Error()} + errBadWriteOpCode = errors.New("websocket: bad write message type") + errWriteClosed = errors.New("websocket: write closed") + errInvalidControlFrame = errors.New("websocket: invalid control frame") +) + +func newMaskKey() [4]byte { + n := rand.Uint32() + return [4]byte{byte(n), byte(n >> 8), byte(n >> 16), byte(n >> 24)} +} + +func hideTempErr(err error) error { + if e, ok := err.(net.Error); ok && e.Temporary() { + err = &netError{msg: e.Error(), timeout: e.Timeout()} + } + return err +} + +func isControl(frameType int) bool { + return frameType == CloseMessage || frameType == PingMessage || frameType == PongMessage +} + +func isData(frameType int) bool { + return frameType == TextMessage || frameType == BinaryMessage +} + +var validReceivedCloseCodes = map[int]bool{ + // see http://www.iana.org/assignments/websocket/websocket.xhtml#close-code-number + + CloseNormalClosure: true, + CloseGoingAway: true, + CloseProtocolError: true, + CloseUnsupportedData: true, + CloseNoStatusReceived: false, + CloseAbnormalClosure: false, + CloseInvalidFramePayloadData: true, + ClosePolicyViolation: true, + CloseMessageTooBig: true, + CloseMandatoryExtension: true, + CloseInternalServerErr: true, + CloseServiceRestart: true, + CloseTryAgainLater: true, + CloseTLSHandshake: false, +} + +func isValidReceivedCloseCode(code int) bool { + return validReceivedCloseCodes[code] || (code >= 3000 && code <= 4999) +} + +// BufferPool represents a pool of buffers. The *sync.Pool type satisfies this +// interface. The type of the value stored in a pool is not specified. +type BufferPool interface { + // Get gets a value from the pool or returns nil if the pool is empty. + Get() interface{} + // Put adds a value to the pool. + Put(interface{}) +} + +// writePoolData is the type added to the write buffer pool. This wrapper is +// used to prevent applications from peeking at and depending on the values +// added to the pool. +type writePoolData struct{ buf []byte } + +// The Conn type represents a WebSocket connection. +type Conn struct { + conn net.Conn + isServer bool + subprotocol string + + // Write fields + mu chan bool // used as mutex to protect write to conn + writeBuf []byte // frame is constructed in this buffer. + writePool BufferPool + writeBufSize int + writeDeadline time.Time + writer io.WriteCloser // the current writer returned to the application + isWriting bool // for best-effort concurrent write detection + + writeErrMu sync.Mutex + writeErr error + + enableWriteCompression bool + compressionLevel int + newCompressionWriter func(io.WriteCloser, int) io.WriteCloser + + // Read fields + reader io.ReadCloser // the current reader returned to the application + readErr error + br *bufio.Reader + readRemaining int64 // bytes remaining in current frame. + readFinal bool // true the current message has more frames. + readLength int64 // Message size. + readLimit int64 // Maximum message size. + readMaskPos int + readMaskKey [4]byte + handlePong func(string) error + handlePing func(string) error + handleClose func(int, string) error + readErrCount int + messageReader *messageReader // the current low-level reader + + readDecompress bool // whether last read frame had RSV1 set + newDecompressionReader func(io.Reader) io.ReadCloser +} + +func newConn(conn net.Conn, isServer bool, readBufferSize, writeBufferSize int, writeBufferPool BufferPool, br *bufio.Reader, writeBuf []byte) *Conn { + + if br == nil { + if readBufferSize == 0 { + readBufferSize = defaultReadBufferSize + } else if readBufferSize < maxControlFramePayloadSize { + // must be large enough for control frame + readBufferSize = maxControlFramePayloadSize + } + br = bufio.NewReaderSize(conn, readBufferSize) + } + + if writeBufferSize <= 0 { + writeBufferSize = defaultWriteBufferSize + } + writeBufferSize += maxFrameHeaderSize + + if writeBuf == nil && writeBufferPool == nil { + writeBuf = make([]byte, writeBufferSize) + } + + mu := make(chan bool, 1) + mu <- true + c := &Conn{ + isServer: isServer, + br: br, + conn: conn, + mu: mu, + readFinal: true, + writeBuf: writeBuf, + writePool: writeBufferPool, + writeBufSize: writeBufferSize, + enableWriteCompression: true, + compressionLevel: defaultCompressionLevel, + } + c.SetCloseHandler(nil) + c.SetPingHandler(nil) + c.SetPongHandler(nil) + return c +} + +// Subprotocol returns the negotiated protocol for the connection. +func (c *Conn) Subprotocol() string { + return c.subprotocol +} + +// Close closes the underlying network connection without sending or waiting +// for a close message. +func (c *Conn) Close() error { + return c.conn.Close() +} + +// LocalAddr returns the local network address. +func (c *Conn) LocalAddr() net.Addr { + return c.conn.LocalAddr() +} + +// RemoteAddr returns the remote network address. +func (c *Conn) RemoteAddr() net.Addr { + return c.conn.RemoteAddr() +} + +// Write methods + +func (c *Conn) writeFatal(err error) error { + err = hideTempErr(err) + c.writeErrMu.Lock() + if c.writeErr == nil { + c.writeErr = err + } + c.writeErrMu.Unlock() + return err +} + +func (c *Conn) read(n int) ([]byte, error) { + p, err := c.br.Peek(n) + if err == io.EOF { + err = errUnexpectedEOF + } + c.br.Discard(len(p)) + return p, err +} + +func (c *Conn) write(frameType int, deadline time.Time, buf0, buf1 []byte) error { + <-c.mu + defer func() { c.mu <- true }() + + c.writeErrMu.Lock() + err := c.writeErr + c.writeErrMu.Unlock() + if err != nil { + return err + } + + c.conn.SetWriteDeadline(deadline) + if len(buf1) == 0 { + _, err = c.conn.Write(buf0) + } else { + err = c.writeBufs(buf0, buf1) + } + if err != nil { + return c.writeFatal(err) + } + if frameType == CloseMessage { + c.writeFatal(ErrCloseSent) + } + return nil +} + +// WriteControl writes a control message with the given deadline. The allowed +// message types are CloseMessage, PingMessage and PongMessage. +func (c *Conn) WriteControl(messageType int, data []byte, deadline time.Time) error { + if !isControl(messageType) { + return errBadWriteOpCode + } + if len(data) > maxControlFramePayloadSize { + return errInvalidControlFrame + } + + b0 := byte(messageType) | finalBit + b1 := byte(len(data)) + if !c.isServer { + b1 |= maskBit + } + + buf := make([]byte, 0, maxFrameHeaderSize+maxControlFramePayloadSize) + buf = append(buf, b0, b1) + + if c.isServer { + buf = append(buf, data...) + } else { + key := newMaskKey() + buf = append(buf, key[:]...) + buf = append(buf, data...) + maskBytes(key, 0, buf[6:]) + } + + d := time.Hour * 1000 + if !deadline.IsZero() { + d = deadline.Sub(time.Now()) + if d < 0 { + return errWriteTimeout + } + } + + timer := time.NewTimer(d) + select { + case <-c.mu: + timer.Stop() + case <-timer.C: + return errWriteTimeout + } + defer func() { c.mu <- true }() + + c.writeErrMu.Lock() + err := c.writeErr + c.writeErrMu.Unlock() + if err != nil { + return err + } + + c.conn.SetWriteDeadline(deadline) + _, err = c.conn.Write(buf) + if err != nil { + return c.writeFatal(err) + } + if messageType == CloseMessage { + c.writeFatal(ErrCloseSent) + } + return err +} + +func (c *Conn) prepWrite(messageType int) error { + // Close previous writer if not already closed by the application. It's + // probably better to return an error in this situation, but we cannot + // change this without breaking existing applications. + if c.writer != nil { + c.writer.Close() + c.writer = nil + } + + if !isControl(messageType) && !isData(messageType) { + return errBadWriteOpCode + } + + c.writeErrMu.Lock() + err := c.writeErr + c.writeErrMu.Unlock() + if err != nil { + return err + } + + if c.writeBuf == nil { + wpd, ok := c.writePool.Get().(writePoolData) + if ok { + c.writeBuf = wpd.buf + } else { + c.writeBuf = make([]byte, c.writeBufSize) + } + } + return nil +} + +// NextWriter returns a writer for the next message to send. The writer's Close +// method flushes the complete message to the network. +// +// There can be at most one open writer on a connection. NextWriter closes the +// previous writer if the application has not already done so. +// +// All message types (TextMessage, BinaryMessage, CloseMessage, PingMessage and +// PongMessage) are supported. +func (c *Conn) NextWriter(messageType int) (io.WriteCloser, error) { + if err := c.prepWrite(messageType); err != nil { + return nil, err + } + + mw := &messageWriter{ + c: c, + frameType: messageType, + pos: maxFrameHeaderSize, + } + c.writer = mw + if c.newCompressionWriter != nil && c.enableWriteCompression && isData(messageType) { + w := c.newCompressionWriter(c.writer, c.compressionLevel) + mw.compress = true + c.writer = w + } + return c.writer, nil +} + +type messageWriter struct { + c *Conn + compress bool // whether next call to flushFrame should set RSV1 + pos int // end of data in writeBuf. + frameType int // type of the current frame. + err error +} + +func (w *messageWriter) fatal(err error) error { + if w.err != nil { + w.err = err + w.c.writer = nil + } + return err +} + +// flushFrame writes buffered data and extra as a frame to the network. The +// final argument indicates that this is the last frame in the message. +func (w *messageWriter) flushFrame(final bool, extra []byte) error { + c := w.c + length := w.pos - maxFrameHeaderSize + len(extra) + + // Check for invalid control frames. + if isControl(w.frameType) && + (!final || length > maxControlFramePayloadSize) { + return w.fatal(errInvalidControlFrame) + } + + b0 := byte(w.frameType) + if final { + b0 |= finalBit + } + if w.compress { + b0 |= rsv1Bit + } + w.compress = false + + b1 := byte(0) + if !c.isServer { + b1 |= maskBit + } + + // Assume that the frame starts at beginning of c.writeBuf. + framePos := 0 + if c.isServer { + // Adjust up if mask not included in the header. + framePos = 4 + } + + switch { + case length >= 65536: + c.writeBuf[framePos] = b0 + c.writeBuf[framePos+1] = b1 | 127 + binary.BigEndian.PutUint64(c.writeBuf[framePos+2:], uint64(length)) + case length > 125: + framePos += 6 + c.writeBuf[framePos] = b0 + c.writeBuf[framePos+1] = b1 | 126 + binary.BigEndian.PutUint16(c.writeBuf[framePos+2:], uint16(length)) + default: + framePos += 8 + c.writeBuf[framePos] = b0 + c.writeBuf[framePos+1] = b1 | byte(length) + } + + if !c.isServer { + key := newMaskKey() + copy(c.writeBuf[maxFrameHeaderSize-4:], key[:]) + maskBytes(key, 0, c.writeBuf[maxFrameHeaderSize:w.pos]) + if len(extra) > 0 { + return c.writeFatal(errors.New("websocket: internal error, extra used in client mode")) + } + } + + // Write the buffers to the connection with best-effort detection of + // concurrent writes. See the concurrency section in the package + // documentation for more info. + + if c.isWriting { + panic("concurrent write to websocket connection") + } + c.isWriting = true + + err := c.write(w.frameType, c.writeDeadline, c.writeBuf[framePos:w.pos], extra) + + if !c.isWriting { + panic("concurrent write to websocket connection") + } + c.isWriting = false + + if err != nil { + return w.fatal(err) + } + + if final { + c.writer = nil + if c.writePool != nil { + c.writePool.Put(writePoolData{buf: c.writeBuf}) + c.writeBuf = nil + } + return nil + } + + // Setup for next frame. + w.pos = maxFrameHeaderSize + w.frameType = continuationFrame + return nil +} + +func (w *messageWriter) ncopy(max int) (int, error) { + n := len(w.c.writeBuf) - w.pos + if n <= 0 { + if err := w.flushFrame(false, nil); err != nil { + return 0, err + } + n = len(w.c.writeBuf) - w.pos + } + if n > max { + n = max + } + return n, nil +} + +func (w *messageWriter) Write(p []byte) (int, error) { + if w.err != nil { + return 0, w.err + } + + if len(p) > 2*len(w.c.writeBuf) && w.c.isServer { + // Don't buffer large messages. + err := w.flushFrame(false, p) + if err != nil { + return 0, err + } + return len(p), nil + } + + nn := len(p) + for len(p) > 0 { + n, err := w.ncopy(len(p)) + if err != nil { + return 0, err + } + copy(w.c.writeBuf[w.pos:], p[:n]) + w.pos += n + p = p[n:] + } + return nn, nil +} + +func (w *messageWriter) WriteString(p string) (int, error) { + if w.err != nil { + return 0, w.err + } + + nn := len(p) + for len(p) > 0 { + n, err := w.ncopy(len(p)) + if err != nil { + return 0, err + } + copy(w.c.writeBuf[w.pos:], p[:n]) + w.pos += n + p = p[n:] + } + return nn, nil +} + +func (w *messageWriter) ReadFrom(r io.Reader) (nn int64, err error) { + if w.err != nil { + return 0, w.err + } + for { + if w.pos == len(w.c.writeBuf) { + err = w.flushFrame(false, nil) + if err != nil { + break + } + } + var n int + n, err = r.Read(w.c.writeBuf[w.pos:]) + w.pos += n + nn += int64(n) + if err != nil { + if err == io.EOF { + err = nil + } + break + } + } + return nn, err +} + +func (w *messageWriter) Close() error { + if w.err != nil { + return w.err + } + if err := w.flushFrame(true, nil); err != nil { + return err + } + w.err = errWriteClosed + return nil +} + +// WritePreparedMessage writes prepared message into connection. +func (c *Conn) WritePreparedMessage(pm *PreparedMessage) error { + frameType, frameData, err := pm.frame(prepareKey{ + isServer: c.isServer, + compress: c.newCompressionWriter != nil && c.enableWriteCompression && isData(pm.messageType), + compressionLevel: c.compressionLevel, + }) + if err != nil { + return err + } + if c.isWriting { + panic("concurrent write to websocket connection") + } + c.isWriting = true + err = c.write(frameType, c.writeDeadline, frameData, nil) + if !c.isWriting { + panic("concurrent write to websocket connection") + } + c.isWriting = false + return err +} + +// WriteMessage is a helper method for getting a writer using NextWriter, +// writing the message and closing the writer. +func (c *Conn) WriteMessage(messageType int, data []byte) error { + + if c.isServer && (c.newCompressionWriter == nil || !c.enableWriteCompression) { + // Fast path with no allocations and single frame. + + if err := c.prepWrite(messageType); err != nil { + return err + } + mw := messageWriter{c: c, frameType: messageType, pos: maxFrameHeaderSize} + n := copy(c.writeBuf[mw.pos:], data) + mw.pos += n + data = data[n:] + return mw.flushFrame(true, data) + } + + w, err := c.NextWriter(messageType) + if err != nil { + return err + } + if _, err = w.Write(data); err != nil { + return err + } + return w.Close() +} + +// SetWriteDeadline sets the write deadline on the underlying network +// connection. After a write has timed out, the websocket state is corrupt and +// all future writes will return an error. A zero value for t means writes will +// not time out. +func (c *Conn) SetWriteDeadline(t time.Time) error { + c.writeDeadline = t + return nil +} + +// Read methods + +func (c *Conn) advanceFrame() (int, error) { + // 1. Skip remainder of previous frame. + + if c.readRemaining > 0 { + if _, err := io.CopyN(ioutil.Discard, c.br, c.readRemaining); err != nil { + return noFrame, err + } + } + + // 2. Read and parse first two bytes of frame header. + + p, err := c.read(2) + if err != nil { + return noFrame, err + } + + final := p[0]&finalBit != 0 + frameType := int(p[0] & 0xf) + mask := p[1]&maskBit != 0 + c.readRemaining = int64(p[1] & 0x7f) + + c.readDecompress = false + if c.newDecompressionReader != nil && (p[0]&rsv1Bit) != 0 { + c.readDecompress = true + p[0] &^= rsv1Bit + } + + if rsv := p[0] & (rsv1Bit | rsv2Bit | rsv3Bit); rsv != 0 { + return noFrame, c.handleProtocolError("unexpected reserved bits 0x" + strconv.FormatInt(int64(rsv), 16)) + } + + switch frameType { + case CloseMessage, PingMessage, PongMessage: + if c.readRemaining > maxControlFramePayloadSize { + return noFrame, c.handleProtocolError("control frame length > 125") + } + if !final { + return noFrame, c.handleProtocolError("control frame not final") + } + case TextMessage, BinaryMessage: + if !c.readFinal { + return noFrame, c.handleProtocolError("message start before final message frame") + } + c.readFinal = final + case continuationFrame: + if c.readFinal { + return noFrame, c.handleProtocolError("continuation after final message frame") + } + c.readFinal = final + default: + return noFrame, c.handleProtocolError("unknown opcode " + strconv.Itoa(frameType)) + } + + // 3. Read and parse frame length. + + switch c.readRemaining { + case 126: + p, err := c.read(2) + if err != nil { + return noFrame, err + } + c.readRemaining = int64(binary.BigEndian.Uint16(p)) + case 127: + p, err := c.read(8) + if err != nil { + return noFrame, err + } + c.readRemaining = int64(binary.BigEndian.Uint64(p)) + } + + // 4. Handle frame masking. + + if mask != c.isServer { + return noFrame, c.handleProtocolError("incorrect mask flag") + } + + if mask { + c.readMaskPos = 0 + p, err := c.read(len(c.readMaskKey)) + if err != nil { + return noFrame, err + } + copy(c.readMaskKey[:], p) + } + + // 5. For text and binary messages, enforce read limit and return. + + if frameType == continuationFrame || frameType == TextMessage || frameType == BinaryMessage { + + c.readLength += c.readRemaining + if c.readLimit > 0 && c.readLength > c.readLimit { + c.WriteControl(CloseMessage, FormatCloseMessage(CloseMessageTooBig, ""), time.Now().Add(writeWait)) + return noFrame, ErrReadLimit + } + + return frameType, nil + } + + // 6. Read control frame payload. + + var payload []byte + if c.readRemaining > 0 { + payload, err = c.read(int(c.readRemaining)) + c.readRemaining = 0 + if err != nil { + return noFrame, err + } + if c.isServer { + maskBytes(c.readMaskKey, 0, payload) + } + } + + // 7. Process control frame payload. + + switch frameType { + case PongMessage: + if err := c.handlePong(string(payload)); err != nil { + return noFrame, err + } + case PingMessage: + if err := c.handlePing(string(payload)); err != nil { + return noFrame, err + } + case CloseMessage: + closeCode := CloseNoStatusReceived + closeText := "" + if len(payload) >= 2 { + closeCode = int(binary.BigEndian.Uint16(payload)) + if !isValidReceivedCloseCode(closeCode) { + return noFrame, c.handleProtocolError("invalid close code") + } + closeText = string(payload[2:]) + if !utf8.ValidString(closeText) { + return noFrame, c.handleProtocolError("invalid utf8 payload in close frame") + } + } + if err := c.handleClose(closeCode, closeText); err != nil { + return noFrame, err + } + return noFrame, &CloseError{Code: closeCode, Text: closeText} + } + + return frameType, nil +} + +func (c *Conn) handleProtocolError(message string) error { + c.WriteControl(CloseMessage, FormatCloseMessage(CloseProtocolError, message), time.Now().Add(writeWait)) + return errors.New("websocket: " + message) +} + +// NextReader returns the next data message received from the peer. The +// returned messageType is either TextMessage or BinaryMessage. +// +// There can be at most one open reader on a connection. NextReader discards +// the previous message if the application has not already consumed it. +// +// Applications must break out of the application's read loop when this method +// returns a non-nil error value. Errors returned from this method are +// permanent. Once this method returns a non-nil error, all subsequent calls to +// this method return the same error. +func (c *Conn) NextReader() (messageType int, r io.Reader, err error) { + // Close previous reader, only relevant for decompression. + if c.reader != nil { + c.reader.Close() + c.reader = nil + } + + c.messageReader = nil + c.readLength = 0 + + for c.readErr == nil { + frameType, err := c.advanceFrame() + if err != nil { + c.readErr = hideTempErr(err) + break + } + if frameType == TextMessage || frameType == BinaryMessage { + c.messageReader = &messageReader{c} + c.reader = c.messageReader + if c.readDecompress { + c.reader = c.newDecompressionReader(c.reader) + } + return frameType, c.reader, nil + } + } + + // Applications that do handle the error returned from this method spin in + // tight loop on connection failure. To help application developers detect + // this error, panic on repeated reads to the failed connection. + c.readErrCount++ + if c.readErrCount >= 1000 { + panic("repeated read on failed websocket connection") + } + + return noFrame, nil, c.readErr +} + +type messageReader struct{ c *Conn } + +func (r *messageReader) Read(b []byte) (int, error) { + c := r.c + if c.messageReader != r { + return 0, io.EOF + } + + for c.readErr == nil { + + if c.readRemaining > 0 { + if int64(len(b)) > c.readRemaining { + b = b[:c.readRemaining] + } + n, err := c.br.Read(b) + c.readErr = hideTempErr(err) + if c.isServer { + c.readMaskPos = maskBytes(c.readMaskKey, c.readMaskPos, b[:n]) + } + c.readRemaining -= int64(n) + if c.readRemaining > 0 && c.readErr == io.EOF { + c.readErr = errUnexpectedEOF + } + return n, c.readErr + } + + if c.readFinal { + c.messageReader = nil + return 0, io.EOF + } + + frameType, err := c.advanceFrame() + switch { + case err != nil: + c.readErr = hideTempErr(err) + case frameType == TextMessage || frameType == BinaryMessage: + c.readErr = errors.New("websocket: internal error, unexpected text or binary in Reader") + } + } + + err := c.readErr + if err == io.EOF && c.messageReader == r { + err = errUnexpectedEOF + } + return 0, err +} + +func (r *messageReader) Close() error { + return nil +} + +// ReadMessage is a helper method for getting a reader using NextReader and +// reading from that reader to a buffer. +func (c *Conn) ReadMessage() (messageType int, p []byte, err error) { + var r io.Reader + messageType, r, err = c.NextReader() + if err != nil { + return messageType, nil, err + } + p, err = ioutil.ReadAll(r) + return messageType, p, err +} + +// SetReadDeadline sets the read deadline on the underlying network connection. +// After a read has timed out, the websocket connection state is corrupt and +// all future reads will return an error. A zero value for t means reads will +// not time out. +func (c *Conn) SetReadDeadline(t time.Time) error { + return c.conn.SetReadDeadline(t) +} + +// SetReadLimit sets the maximum size for a message read from the peer. If a +// message exceeds the limit, the connection sends a close message to the peer +// and returns ErrReadLimit to the application. +func (c *Conn) SetReadLimit(limit int64) { + c.readLimit = limit +} + +// CloseHandler returns the current close handler +func (c *Conn) CloseHandler() func(code int, text string) error { + return c.handleClose +} + +// SetCloseHandler sets the handler for close messages received from the peer. +// The code argument to h is the received close code or CloseNoStatusReceived +// if the close message is empty. The default close handler sends a close +// message back to the peer. +// +// The handler function is called from the NextReader, ReadMessage and message +// reader Read methods. The application must read the connection to process +// close messages as described in the section on Control Messages above. +// +// The connection read methods return a CloseError when a close message is +// received. Most applications should handle close messages as part of their +// normal error handling. Applications should only set a close handler when the +// application must perform some action before sending a close message back to +// the peer. +func (c *Conn) SetCloseHandler(h func(code int, text string) error) { + if h == nil { + h = func(code int, text string) error { + message := FormatCloseMessage(code, "") + c.WriteControl(CloseMessage, message, time.Now().Add(writeWait)) + return nil + } + } + c.handleClose = h +} + +// PingHandler returns the current ping handler +func (c *Conn) PingHandler() func(appData string) error { + return c.handlePing +} + +// SetPingHandler sets the handler for ping messages received from the peer. +// The appData argument to h is the PING message application data. The default +// ping handler sends a pong to the peer. +// +// The handler function is called from the NextReader, ReadMessage and message +// reader Read methods. The application must read the connection to process +// ping messages as described in the section on Control Messages above. +func (c *Conn) SetPingHandler(h func(appData string) error) { + if h == nil { + h = func(message string) error { + err := c.WriteControl(PongMessage, []byte(message), time.Now().Add(writeWait)) + if err == ErrCloseSent { + return nil + } else if e, ok := err.(net.Error); ok && e.Temporary() { + return nil + } + return err + } + } + c.handlePing = h +} + +// PongHandler returns the current pong handler +func (c *Conn) PongHandler() func(appData string) error { + return c.handlePong +} + +// SetPongHandler sets the handler for pong messages received from the peer. +// The appData argument to h is the PONG message application data. The default +// pong handler does nothing. +// +// The handler function is called from the NextReader, ReadMessage and message +// reader Read methods. The application must read the connection to process +// pong messages as described in the section on Control Messages above. +func (c *Conn) SetPongHandler(h func(appData string) error) { + if h == nil { + h = func(string) error { return nil } + } + c.handlePong = h +} + +// UnderlyingConn returns the internal net.Conn. This can be used to further +// modifications to connection specific flags. +func (c *Conn) UnderlyingConn() net.Conn { + return c.conn +} + +// EnableWriteCompression enables and disables write compression of +// subsequent text and binary messages. This function is a noop if +// compression was not negotiated with the peer. +func (c *Conn) EnableWriteCompression(enable bool) { + c.enableWriteCompression = enable +} + +// SetCompressionLevel sets the flate compression level for subsequent text and +// binary messages. This function is a noop if compression was not negotiated +// with the peer. See the compress/flate package for a description of +// compression levels. +func (c *Conn) SetCompressionLevel(level int) error { + if !isValidCompressionLevel(level) { + return errors.New("websocket: invalid compression level") + } + c.compressionLevel = level + return nil +} + +// FormatCloseMessage formats closeCode and text as a WebSocket close message. +// An empty message is returned for code CloseNoStatusReceived. +func FormatCloseMessage(closeCode int, text string) []byte { + if closeCode == CloseNoStatusReceived { + // Return empty message because it's illegal to send + // CloseNoStatusReceived. Return non-nil value in case application + // checks for nil. + return []byte{} + } + buf := make([]byte, 2+len(text)) + binary.BigEndian.PutUint16(buf, uint16(closeCode)) + copy(buf[2:], text) + return buf +} diff --git a/vendor/github.com/gorilla/websocket/conn_write.go b/vendor/github.com/gorilla/websocket/conn_write.go new file mode 100644 index 0000000..a509a21 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/conn_write.go @@ -0,0 +1,15 @@ +// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build go1.8 + +package websocket + +import "net" + +func (c *Conn) writeBufs(bufs ...[]byte) error { + b := net.Buffers(bufs) + _, err := b.WriteTo(c.conn) + return err +} diff --git a/vendor/github.com/gorilla/websocket/conn_write_legacy.go b/vendor/github.com/gorilla/websocket/conn_write_legacy.go new file mode 100644 index 0000000..37edaff --- /dev/null +++ b/vendor/github.com/gorilla/websocket/conn_write_legacy.go @@ -0,0 +1,18 @@ +// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build !go1.8 + +package websocket + +func (c *Conn) writeBufs(bufs ...[]byte) error { + for _, buf := range bufs { + if len(buf) > 0 { + if _, err := c.conn.Write(buf); err != nil { + return err + } + } + } + return nil +} diff --git a/vendor/github.com/gorilla/websocket/doc.go b/vendor/github.com/gorilla/websocket/doc.go new file mode 100644 index 0000000..dcce1a6 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/doc.go @@ -0,0 +1,180 @@ +// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package websocket implements the WebSocket protocol defined in RFC 6455. +// +// Overview +// +// The Conn type represents a WebSocket connection. A server application calls +// the Upgrader.Upgrade method from an HTTP request handler to get a *Conn: +// +// var upgrader = websocket.Upgrader{ +// ReadBufferSize: 1024, +// WriteBufferSize: 1024, +// } +// +// func handler(w http.ResponseWriter, r *http.Request) { +// conn, err := upgrader.Upgrade(w, r, nil) +// if err != nil { +// log.Println(err) +// return +// } +// ... Use conn to send and receive messages. +// } +// +// Call the connection's WriteMessage and ReadMessage methods to send and +// receive messages as a slice of bytes. This snippet of code shows how to echo +// messages using these methods: +// +// for { +// messageType, p, err := conn.ReadMessage() +// if err != nil { +// log.Println(err) +// return +// } +// if err := conn.WriteMessage(messageType, p); err != nil { +// log.Println(err) +// return +// } +// } +// +// In above snippet of code, p is a []byte and messageType is an int with value +// websocket.BinaryMessage or websocket.TextMessage. +// +// An application can also send and receive messages using the io.WriteCloser +// and io.Reader interfaces. To send a message, call the connection NextWriter +// method to get an io.WriteCloser, write the message to the writer and close +// the writer when done. To receive a message, call the connection NextReader +// method to get an io.Reader and read until io.EOF is returned. This snippet +// shows how to echo messages using the NextWriter and NextReader methods: +// +// for { +// messageType, r, err := conn.NextReader() +// if err != nil { +// return +// } +// w, err := conn.NextWriter(messageType) +// if err != nil { +// return err +// } +// if _, err := io.Copy(w, r); err != nil { +// return err +// } +// if err := w.Close(); err != nil { +// return err +// } +// } +// +// Data Messages +// +// The WebSocket protocol distinguishes between text and binary data messages. +// Text messages are interpreted as UTF-8 encoded text. The interpretation of +// binary messages is left to the application. +// +// This package uses the TextMessage and BinaryMessage integer constants to +// identify the two data message types. The ReadMessage and NextReader methods +// return the type of the received message. The messageType argument to the +// WriteMessage and NextWriter methods specifies the type of a sent message. +// +// It is the application's responsibility to ensure that text messages are +// valid UTF-8 encoded text. +// +// Control Messages +// +// The WebSocket protocol defines three types of control messages: close, ping +// and pong. Call the connection WriteControl, WriteMessage or NextWriter +// methods to send a control message to the peer. +// +// Connections handle received close messages by calling the handler function +// set with the SetCloseHandler method and by returning a *CloseError from the +// NextReader, ReadMessage or the message Read method. The default close +// handler sends a close message to the peer. +// +// Connections handle received ping messages by calling the handler function +// set with the SetPingHandler method. The default ping handler sends a pong +// message to the peer. +// +// Connections handle received pong messages by calling the handler function +// set with the SetPongHandler method. The default pong handler does nothing. +// If an application sends ping messages, then the application should set a +// pong handler to receive the corresponding pong. +// +// The control message handler functions are called from the NextReader, +// ReadMessage and message reader Read methods. The default close and ping +// handlers can block these methods for a short time when the handler writes to +// the connection. +// +// The application must read the connection to process close, ping and pong +// messages sent from the peer. If the application is not otherwise interested +// in messages from the peer, then the application should start a goroutine to +// read and discard messages from the peer. A simple example is: +// +// func readLoop(c *websocket.Conn) { +// for { +// if _, _, err := c.NextReader(); err != nil { +// c.Close() +// break +// } +// } +// } +// +// Concurrency +// +// Connections support one concurrent reader and one concurrent writer. +// +// Applications are responsible for ensuring that no more than one goroutine +// calls the write methods (NextWriter, SetWriteDeadline, WriteMessage, +// WriteJSON, EnableWriteCompression, SetCompressionLevel) concurrently and +// that no more than one goroutine calls the read methods (NextReader, +// SetReadDeadline, ReadMessage, ReadJSON, SetPongHandler, SetPingHandler) +// concurrently. +// +// The Close and WriteControl methods can be called concurrently with all other +// methods. +// +// Origin Considerations +// +// Web browsers allow Javascript applications to open a WebSocket connection to +// any host. It's up to the server to enforce an origin policy using the Origin +// request header sent by the browser. +// +// The Upgrader calls the function specified in the CheckOrigin field to check +// the origin. If the CheckOrigin function returns false, then the Upgrade +// method fails the WebSocket handshake with HTTP status 403. +// +// If the CheckOrigin field is nil, then the Upgrader uses a safe default: fail +// the handshake if the Origin request header is present and the Origin host is +// not equal to the Host request header. +// +// The deprecated package-level Upgrade function does not perform origin +// checking. The application is responsible for checking the Origin header +// before calling the Upgrade function. +// +// Compression EXPERIMENTAL +// +// Per message compression extensions (RFC 7692) are experimentally supported +// by this package in a limited capacity. Setting the EnableCompression option +// to true in Dialer or Upgrader will attempt to negotiate per message deflate +// support. +// +// var upgrader = websocket.Upgrader{ +// EnableCompression: true, +// } +// +// If compression was successfully negotiated with the connection's peer, any +// message received in compressed form will be automatically decompressed. +// All Read methods will return uncompressed bytes. +// +// Per message compression of messages written to a connection can be enabled +// or disabled by calling the corresponding Conn method: +// +// conn.EnableWriteCompression(false) +// +// Currently this package does not support compression with "context takeover". +// This means that messages must be compressed and decompressed in isolation, +// without retaining sliding window or dictionary state across messages. For +// more details refer to RFC 7692. +// +// Use of compression is experimental and may result in decreased performance. +package websocket diff --git a/vendor/github.com/gorilla/websocket/json.go b/vendor/github.com/gorilla/websocket/json.go new file mode 100644 index 0000000..dc2c1f6 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/json.go @@ -0,0 +1,60 @@ +// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package websocket + +import ( + "encoding/json" + "io" +) + +// WriteJSON writes the JSON encoding of v as a message. +// +// Deprecated: Use c.WriteJSON instead. +func WriteJSON(c *Conn, v interface{}) error { + return c.WriteJSON(v) +} + +// WriteJSON writes the JSON encoding of v as a message. +// +// See the documentation for encoding/json Marshal for details about the +// conversion of Go values to JSON. +func (c *Conn) WriteJSON(v interface{}) error { + w, err := c.NextWriter(TextMessage) + if err != nil { + return err + } + err1 := json.NewEncoder(w).Encode(v) + err2 := w.Close() + if err1 != nil { + return err1 + } + return err2 +} + +// ReadJSON reads the next JSON-encoded message from the connection and stores +// it in the value pointed to by v. +// +// Deprecated: Use c.ReadJSON instead. +func ReadJSON(c *Conn, v interface{}) error { + return c.ReadJSON(v) +} + +// ReadJSON reads the next JSON-encoded message from the connection and stores +// it in the value pointed to by v. +// +// See the documentation for the encoding/json Unmarshal function for details +// about the conversion of JSON to a Go value. +func (c *Conn) ReadJSON(v interface{}) error { + _, r, err := c.NextReader() + if err != nil { + return err + } + err = json.NewDecoder(r).Decode(v) + if err == io.EOF { + // One value is expected in the message. + err = io.ErrUnexpectedEOF + } + return err +} diff --git a/vendor/github.com/gorilla/websocket/mask.go b/vendor/github.com/gorilla/websocket/mask.go new file mode 100644 index 0000000..577fce9 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/mask.go @@ -0,0 +1,54 @@ +// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved. Use of +// this source code is governed by a BSD-style license that can be found in the +// LICENSE file. + +// +build !appengine + +package websocket + +import "unsafe" + +const wordSize = int(unsafe.Sizeof(uintptr(0))) + +func maskBytes(key [4]byte, pos int, b []byte) int { + // Mask one byte at a time for small buffers. + if len(b) < 2*wordSize { + for i := range b { + b[i] ^= key[pos&3] + pos++ + } + return pos & 3 + } + + // Mask one byte at a time to word boundary. + if n := int(uintptr(unsafe.Pointer(&b[0]))) % wordSize; n != 0 { + n = wordSize - n + for i := range b[:n] { + b[i] ^= key[pos&3] + pos++ + } + b = b[n:] + } + + // Create aligned word size key. + var k [wordSize]byte + for i := range k { + k[i] = key[(pos+i)&3] + } + kw := *(*uintptr)(unsafe.Pointer(&k)) + + // Mask one word at a time. + n := (len(b) / wordSize) * wordSize + for i := 0; i < n; i += wordSize { + *(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&b[0])) + uintptr(i))) ^= kw + } + + // Mask one byte at a time for remaining bytes. + b = b[n:] + for i := range b { + b[i] ^= key[pos&3] + pos++ + } + + return pos & 3 +} diff --git a/vendor/github.com/gorilla/websocket/mask_safe.go b/vendor/github.com/gorilla/websocket/mask_safe.go new file mode 100644 index 0000000..2aac060 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/mask_safe.go @@ -0,0 +1,15 @@ +// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved. Use of +// this source code is governed by a BSD-style license that can be found in the +// LICENSE file. + +// +build appengine + +package websocket + +func maskBytes(key [4]byte, pos int, b []byte) int { + for i := range b { + b[i] ^= key[pos&3] + pos++ + } + return pos & 3 +} diff --git a/vendor/github.com/gorilla/websocket/prepared.go b/vendor/github.com/gorilla/websocket/prepared.go new file mode 100644 index 0000000..74ec565 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/prepared.go @@ -0,0 +1,102 @@ +// Copyright 2017 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package websocket + +import ( + "bytes" + "net" + "sync" + "time" +) + +// PreparedMessage caches on the wire representations of a message payload. +// Use PreparedMessage to efficiently send a message payload to multiple +// connections. PreparedMessage is especially useful when compression is used +// because the CPU and memory expensive compression operation can be executed +// once for a given set of compression options. +type PreparedMessage struct { + messageType int + data []byte + mu sync.Mutex + frames map[prepareKey]*preparedFrame +} + +// prepareKey defines a unique set of options to cache prepared frames in PreparedMessage. +type prepareKey struct { + isServer bool + compress bool + compressionLevel int +} + +// preparedFrame contains data in wire representation. +type preparedFrame struct { + once sync.Once + data []byte +} + +// NewPreparedMessage returns an initialized PreparedMessage. You can then send +// it to connection using WritePreparedMessage method. Valid wire +// representation will be calculated lazily only once for a set of current +// connection options. +func NewPreparedMessage(messageType int, data []byte) (*PreparedMessage, error) { + pm := &PreparedMessage{ + messageType: messageType, + frames: make(map[prepareKey]*preparedFrame), + data: data, + } + + // Prepare a plain server frame. + _, frameData, err := pm.frame(prepareKey{isServer: true, compress: false}) + if err != nil { + return nil, err + } + + // To protect against caller modifying the data argument, remember the data + // copied to the plain server frame. + pm.data = frameData[len(frameData)-len(data):] + return pm, nil +} + +func (pm *PreparedMessage) frame(key prepareKey) (int, []byte, error) { + pm.mu.Lock() + frame, ok := pm.frames[key] + if !ok { + frame = &preparedFrame{} + pm.frames[key] = frame + } + pm.mu.Unlock() + + var err error + frame.once.Do(func() { + // Prepare a frame using a 'fake' connection. + // TODO: Refactor code in conn.go to allow more direct construction of + // the frame. + mu := make(chan bool, 1) + mu <- true + var nc prepareConn + c := &Conn{ + conn: &nc, + mu: mu, + isServer: key.isServer, + compressionLevel: key.compressionLevel, + enableWriteCompression: true, + writeBuf: make([]byte, defaultWriteBufferSize+maxFrameHeaderSize), + } + if key.compress { + c.newCompressionWriter = compressNoContextTakeover + } + err = c.WriteMessage(pm.messageType, pm.data) + frame.data = nc.buf.Bytes() + }) + return pm.messageType, frame.data, err +} + +type prepareConn struct { + buf bytes.Buffer + net.Conn +} + +func (pc *prepareConn) Write(p []byte) (int, error) { return pc.buf.Write(p) } +func (pc *prepareConn) SetWriteDeadline(t time.Time) error { return nil } diff --git a/vendor/github.com/gorilla/websocket/proxy.go b/vendor/github.com/gorilla/websocket/proxy.go new file mode 100644 index 0000000..bf2478e --- /dev/null +++ b/vendor/github.com/gorilla/websocket/proxy.go @@ -0,0 +1,77 @@ +// Copyright 2017 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package websocket + +import ( + "bufio" + "encoding/base64" + "errors" + "net" + "net/http" + "net/url" + "strings" +) + +type netDialerFunc func(network, addr string) (net.Conn, error) + +func (fn netDialerFunc) Dial(network, addr string) (net.Conn, error) { + return fn(network, addr) +} + +func init() { + proxy_RegisterDialerType("http", func(proxyURL *url.URL, forwardDialer proxy_Dialer) (proxy_Dialer, error) { + return &httpProxyDialer{proxyURL: proxyURL, fowardDial: forwardDialer.Dial}, nil + }) +} + +type httpProxyDialer struct { + proxyURL *url.URL + fowardDial func(network, addr string) (net.Conn, error) +} + +func (hpd *httpProxyDialer) Dial(network string, addr string) (net.Conn, error) { + hostPort, _ := hostPortNoPort(hpd.proxyURL) + conn, err := hpd.fowardDial(network, hostPort) + if err != nil { + return nil, err + } + + connectHeader := make(http.Header) + if user := hpd.proxyURL.User; user != nil { + proxyUser := user.Username() + if proxyPassword, passwordSet := user.Password(); passwordSet { + credential := base64.StdEncoding.EncodeToString([]byte(proxyUser + ":" + proxyPassword)) + connectHeader.Set("Proxy-Authorization", "Basic "+credential) + } + } + + connectReq := &http.Request{ + Method: "CONNECT", + URL: &url.URL{Opaque: addr}, + Host: addr, + Header: connectHeader, + } + + if err := connectReq.Write(conn); err != nil { + conn.Close() + return nil, err + } + + // Read response. It's OK to use and discard buffered reader here becaue + // the remote server does not speak until spoken to. + br := bufio.NewReader(conn) + resp, err := http.ReadResponse(br, connectReq) + if err != nil { + conn.Close() + return nil, err + } + + if resp.StatusCode != 200 { + conn.Close() + f := strings.SplitN(resp.Status, " ", 2) + return nil, errors.New(f[1]) + } + return conn, nil +} diff --git a/vendor/github.com/gorilla/websocket/server.go b/vendor/github.com/gorilla/websocket/server.go new file mode 100644 index 0000000..a761824 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/server.go @@ -0,0 +1,363 @@ +// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package websocket + +import ( + "bufio" + "errors" + "io" + "net/http" + "net/url" + "strings" + "time" +) + +// HandshakeError describes an error with the handshake from the peer. +type HandshakeError struct { + message string +} + +func (e HandshakeError) Error() string { return e.message } + +// Upgrader specifies parameters for upgrading an HTTP connection to a +// WebSocket connection. +type Upgrader struct { + // HandshakeTimeout specifies the duration for the handshake to complete. + HandshakeTimeout time.Duration + + // ReadBufferSize and WriteBufferSize specify I/O buffer sizes. If a buffer + // size is zero, then buffers allocated by the HTTP server are used. The + // I/O buffer sizes do not limit the size of the messages that can be sent + // or received. + ReadBufferSize, WriteBufferSize int + + // WriteBufferPool is a pool of buffers for write operations. If the value + // is not set, then write buffers are allocated to the connection for the + // lifetime of the connection. + // + // A pool is most useful when the application has a modest volume of writes + // across a large number of connections. + // + // Applications should use a single pool for each unique value of + // WriteBufferSize. + WriteBufferPool BufferPool + + // Subprotocols specifies the server's supported protocols in order of + // preference. If this field is not nil, then the Upgrade method negotiates a + // subprotocol by selecting the first match in this list with a protocol + // requested by the client. If there's no match, then no protocol is + // negotiated (the Sec-Websocket-Protocol header is not included in the + // handshake response). + Subprotocols []string + + // Error specifies the function for generating HTTP error responses. If Error + // is nil, then http.Error is used to generate the HTTP response. + Error func(w http.ResponseWriter, r *http.Request, status int, reason error) + + // CheckOrigin returns true if the request Origin header is acceptable. If + // CheckOrigin is nil, then a safe default is used: return false if the + // Origin request header is present and the origin host is not equal to + // request Host header. + // + // A CheckOrigin function should carefully validate the request origin to + // prevent cross-site request forgery. + CheckOrigin func(r *http.Request) bool + + // EnableCompression specify if the server should attempt to negotiate per + // message compression (RFC 7692). Setting this value to true does not + // guarantee that compression will be supported. Currently only "no context + // takeover" modes are supported. + EnableCompression bool +} + +func (u *Upgrader) returnError(w http.ResponseWriter, r *http.Request, status int, reason string) (*Conn, error) { + err := HandshakeError{reason} + if u.Error != nil { + u.Error(w, r, status, err) + } else { + w.Header().Set("Sec-Websocket-Version", "13") + http.Error(w, http.StatusText(status), status) + } + return nil, err +} + +// checkSameOrigin returns true if the origin is not set or is equal to the request host. +func checkSameOrigin(r *http.Request) bool { + origin := r.Header["Origin"] + if len(origin) == 0 { + return true + } + u, err := url.Parse(origin[0]) + if err != nil { + return false + } + return equalASCIIFold(u.Host, r.Host) +} + +func (u *Upgrader) selectSubprotocol(r *http.Request, responseHeader http.Header) string { + if u.Subprotocols != nil { + clientProtocols := Subprotocols(r) + for _, serverProtocol := range u.Subprotocols { + for _, clientProtocol := range clientProtocols { + if clientProtocol == serverProtocol { + return clientProtocol + } + } + } + } else if responseHeader != nil { + return responseHeader.Get("Sec-Websocket-Protocol") + } + return "" +} + +// Upgrade upgrades the HTTP server connection to the WebSocket protocol. +// +// The responseHeader is included in the response to the client's upgrade +// request. Use the responseHeader to specify cookies (Set-Cookie) and the +// application negotiated subprotocol (Sec-WebSocket-Protocol). +// +// If the upgrade fails, then Upgrade replies to the client with an HTTP error +// response. +func (u *Upgrader) Upgrade(w http.ResponseWriter, r *http.Request, responseHeader http.Header) (*Conn, error) { + const badHandshake = "websocket: the client is not using the websocket protocol: " + + if !tokenListContainsValue(r.Header, "Connection", "upgrade") { + return u.returnError(w, r, http.StatusBadRequest, badHandshake+"'upgrade' token not found in 'Connection' header") + } + + if !tokenListContainsValue(r.Header, "Upgrade", "websocket") { + return u.returnError(w, r, http.StatusBadRequest, badHandshake+"'websocket' token not found in 'Upgrade' header") + } + + if r.Method != "GET" { + return u.returnError(w, r, http.StatusMethodNotAllowed, badHandshake+"request method is not GET") + } + + if !tokenListContainsValue(r.Header, "Sec-Websocket-Version", "13") { + return u.returnError(w, r, http.StatusBadRequest, "websocket: unsupported version: 13 not found in 'Sec-Websocket-Version' header") + } + + if _, ok := responseHeader["Sec-Websocket-Extensions"]; ok { + return u.returnError(w, r, http.StatusInternalServerError, "websocket: application specific 'Sec-WebSocket-Extensions' headers are unsupported") + } + + checkOrigin := u.CheckOrigin + if checkOrigin == nil { + checkOrigin = checkSameOrigin + } + if !checkOrigin(r) { + return u.returnError(w, r, http.StatusForbidden, "websocket: request origin not allowed by Upgrader.CheckOrigin") + } + + challengeKey := r.Header.Get("Sec-Websocket-Key") + if challengeKey == "" { + return u.returnError(w, r, http.StatusBadRequest, "websocket: not a websocket handshake: `Sec-WebSocket-Key' header is missing or blank") + } + + subprotocol := u.selectSubprotocol(r, responseHeader) + + // Negotiate PMCE + var compress bool + if u.EnableCompression { + for _, ext := range parseExtensions(r.Header) { + if ext[""] != "permessage-deflate" { + continue + } + compress = true + break + } + } + + h, ok := w.(http.Hijacker) + if !ok { + return u.returnError(w, r, http.StatusInternalServerError, "websocket: response does not implement http.Hijacker") + } + var brw *bufio.ReadWriter + netConn, brw, err := h.Hijack() + if err != nil { + return u.returnError(w, r, http.StatusInternalServerError, err.Error()) + } + + if brw.Reader.Buffered() > 0 { + netConn.Close() + return nil, errors.New("websocket: client sent data before handshake is complete") + } + + var br *bufio.Reader + if u.ReadBufferSize == 0 && bufioReaderSize(netConn, brw.Reader) > 256 { + // Reuse hijacked buffered reader as connection reader. + br = brw.Reader + } + + buf := bufioWriterBuffer(netConn, brw.Writer) + + var writeBuf []byte + if u.WriteBufferPool == nil && u.WriteBufferSize == 0 && len(buf) >= maxFrameHeaderSize+256 { + // Reuse hijacked write buffer as connection buffer. + writeBuf = buf + } + + c := newConn(netConn, true, u.ReadBufferSize, u.WriteBufferSize, u.WriteBufferPool, br, writeBuf) + c.subprotocol = subprotocol + + if compress { + c.newCompressionWriter = compressNoContextTakeover + c.newDecompressionReader = decompressNoContextTakeover + } + + // Use larger of hijacked buffer and connection write buffer for header. + p := buf + if len(c.writeBuf) > len(p) { + p = c.writeBuf + } + p = p[:0] + + p = append(p, "HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: "...) + p = append(p, computeAcceptKey(challengeKey)...) + p = append(p, "\r\n"...) + if c.subprotocol != "" { + p = append(p, "Sec-WebSocket-Protocol: "...) + p = append(p, c.subprotocol...) + p = append(p, "\r\n"...) + } + if compress { + p = append(p, "Sec-WebSocket-Extensions: permessage-deflate; server_no_context_takeover; client_no_context_takeover\r\n"...) + } + for k, vs := range responseHeader { + if k == "Sec-Websocket-Protocol" { + continue + } + for _, v := range vs { + p = append(p, k...) + p = append(p, ": "...) + for i := 0; i < len(v); i++ { + b := v[i] + if b <= 31 { + // prevent response splitting. + b = ' ' + } + p = append(p, b) + } + p = append(p, "\r\n"...) + } + } + p = append(p, "\r\n"...) + + // Clear deadlines set by HTTP server. + netConn.SetDeadline(time.Time{}) + + if u.HandshakeTimeout > 0 { + netConn.SetWriteDeadline(time.Now().Add(u.HandshakeTimeout)) + } + if _, err = netConn.Write(p); err != nil { + netConn.Close() + return nil, err + } + if u.HandshakeTimeout > 0 { + netConn.SetWriteDeadline(time.Time{}) + } + + return c, nil +} + +// Upgrade upgrades the HTTP server connection to the WebSocket protocol. +// +// Deprecated: Use websocket.Upgrader instead. +// +// Upgrade does not perform origin checking. The application is responsible for +// checking the Origin header before calling Upgrade. An example implementation +// of the same origin policy check is: +// +// if req.Header.Get("Origin") != "http://"+req.Host { +// http.Error(w, "Origin not allowed", http.StatusForbidden) +// return +// } +// +// If the endpoint supports subprotocols, then the application is responsible +// for negotiating the protocol used on the connection. Use the Subprotocols() +// function to get the subprotocols requested by the client. Use the +// Sec-Websocket-Protocol response header to specify the subprotocol selected +// by the application. +// +// The responseHeader is included in the response to the client's upgrade +// request. Use the responseHeader to specify cookies (Set-Cookie) and the +// negotiated subprotocol (Sec-Websocket-Protocol). +// +// The connection buffers IO to the underlying network connection. The +// readBufSize and writeBufSize parameters specify the size of the buffers to +// use. Messages can be larger than the buffers. +// +// If the request is not a valid WebSocket handshake, then Upgrade returns an +// error of type HandshakeError. Applications should handle this error by +// replying to the client with an HTTP error response. +func Upgrade(w http.ResponseWriter, r *http.Request, responseHeader http.Header, readBufSize, writeBufSize int) (*Conn, error) { + u := Upgrader{ReadBufferSize: readBufSize, WriteBufferSize: writeBufSize} + u.Error = func(w http.ResponseWriter, r *http.Request, status int, reason error) { + // don't return errors to maintain backwards compatibility + } + u.CheckOrigin = func(r *http.Request) bool { + // allow all connections by default + return true + } + return u.Upgrade(w, r, responseHeader) +} + +// Subprotocols returns the subprotocols requested by the client in the +// Sec-Websocket-Protocol header. +func Subprotocols(r *http.Request) []string { + h := strings.TrimSpace(r.Header.Get("Sec-Websocket-Protocol")) + if h == "" { + return nil + } + protocols := strings.Split(h, ",") + for i := range protocols { + protocols[i] = strings.TrimSpace(protocols[i]) + } + return protocols +} + +// IsWebSocketUpgrade returns true if the client requested upgrade to the +// WebSocket protocol. +func IsWebSocketUpgrade(r *http.Request) bool { + return tokenListContainsValue(r.Header, "Connection", "upgrade") && + tokenListContainsValue(r.Header, "Upgrade", "websocket") +} + +// bufioReaderSize size returns the size of a bufio.Reader. +func bufioReaderSize(originalReader io.Reader, br *bufio.Reader) int { + // This code assumes that peek on a reset reader returns + // bufio.Reader.buf[:0]. + // TODO: Use bufio.Reader.Size() after Go 1.10 + br.Reset(originalReader) + if p, err := br.Peek(0); err == nil { + return cap(p) + } + return 0 +} + +// writeHook is an io.Writer that records the last slice passed to it vio +// io.Writer.Write. +type writeHook struct { + p []byte +} + +func (wh *writeHook) Write(p []byte) (int, error) { + wh.p = p + return len(p), nil +} + +// bufioWriterBuffer grabs the buffer from a bufio.Writer. +func bufioWriterBuffer(originalWriter io.Writer, bw *bufio.Writer) []byte { + // This code assumes that bufio.Writer.buf[:1] is passed to the + // bufio.Writer's underlying writer. + var wh writeHook + bw.Reset(&wh) + bw.WriteByte(0) + bw.Flush() + + bw.Reset(originalWriter) + + return wh.p[:cap(wh.p)] +} diff --git a/vendor/github.com/gorilla/websocket/trace.go b/vendor/github.com/gorilla/websocket/trace.go new file mode 100644 index 0000000..834f122 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/trace.go @@ -0,0 +1,19 @@ +// +build go1.8 + +package websocket + +import ( + "crypto/tls" + "net/http/httptrace" +) + +func doHandshakeWithTrace(trace *httptrace.ClientTrace, tlsConn *tls.Conn, cfg *tls.Config) error { + if trace.TLSHandshakeStart != nil { + trace.TLSHandshakeStart() + } + err := doHandshake(tlsConn, cfg) + if trace.TLSHandshakeDone != nil { + trace.TLSHandshakeDone(tlsConn.ConnectionState(), err) + } + return err +} diff --git a/vendor/github.com/gorilla/websocket/trace_17.go b/vendor/github.com/gorilla/websocket/trace_17.go new file mode 100644 index 0000000..77d05a0 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/trace_17.go @@ -0,0 +1,12 @@ +// +build !go1.8 + +package websocket + +import ( + "crypto/tls" + "net/http/httptrace" +) + +func doHandshakeWithTrace(trace *httptrace.ClientTrace, tlsConn *tls.Conn, cfg *tls.Config) error { + return doHandshake(tlsConn, cfg) +} diff --git a/vendor/github.com/gorilla/websocket/util.go b/vendor/github.com/gorilla/websocket/util.go new file mode 100644 index 0000000..354001e --- /dev/null +++ b/vendor/github.com/gorilla/websocket/util.go @@ -0,0 +1,237 @@ +// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package websocket + +import ( + "crypto/rand" + "crypto/sha1" + "encoding/base64" + "io" + "net/http" + "strings" + "unicode/utf8" +) + +var keyGUID = []byte("258EAFA5-E914-47DA-95CA-C5AB0DC85B11") + +func computeAcceptKey(challengeKey string) string { + h := sha1.New() + h.Write([]byte(challengeKey)) + h.Write(keyGUID) + return base64.StdEncoding.EncodeToString(h.Sum(nil)) +} + +func generateChallengeKey() (string, error) { + p := make([]byte, 16) + if _, err := io.ReadFull(rand.Reader, p); err != nil { + return "", err + } + return base64.StdEncoding.EncodeToString(p), nil +} + +// Octet types from RFC 2616. +var octetTypes [256]byte + +const ( + isTokenOctet = 1 << iota + isSpaceOctet +) + +func init() { + // From RFC 2616 + // + // OCTET = + // CHAR = + // CTL = + // CR = + // LF = + // SP = + // HT = + // <"> = + // CRLF = CR LF + // LWS = [CRLF] 1*( SP | HT ) + // TEXT = + // separators = "(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\" | <"> + // | "/" | "[" | "]" | "?" | "=" | "{" | "}" | SP | HT + // token = 1* + // qdtext = > + + for c := 0; c < 256; c++ { + var t byte + isCtl := c <= 31 || c == 127 + isChar := 0 <= c && c <= 127 + isSeparator := strings.IndexRune(" \t\"(),/:;<=>?@[]\\{}", rune(c)) >= 0 + if strings.IndexRune(" \t\r\n", rune(c)) >= 0 { + t |= isSpaceOctet + } + if isChar && !isCtl && !isSeparator { + t |= isTokenOctet + } + octetTypes[c] = t + } +} + +func skipSpace(s string) (rest string) { + i := 0 + for ; i < len(s); i++ { + if octetTypes[s[i]]&isSpaceOctet == 0 { + break + } + } + return s[i:] +} + +func nextToken(s string) (token, rest string) { + i := 0 + for ; i < len(s); i++ { + if octetTypes[s[i]]&isTokenOctet == 0 { + break + } + } + return s[:i], s[i:] +} + +func nextTokenOrQuoted(s string) (value string, rest string) { + if !strings.HasPrefix(s, "\"") { + return nextToken(s) + } + s = s[1:] + for i := 0; i < len(s); i++ { + switch s[i] { + case '"': + return s[:i], s[i+1:] + case '\\': + p := make([]byte, len(s)-1) + j := copy(p, s[:i]) + escape := true + for i = i + 1; i < len(s); i++ { + b := s[i] + switch { + case escape: + escape = false + p[j] = b + j++ + case b == '\\': + escape = true + case b == '"': + return string(p[:j]), s[i+1:] + default: + p[j] = b + j++ + } + } + return "", "" + } + } + return "", "" +} + +// equalASCIIFold returns true if s is equal to t with ASCII case folding. +func equalASCIIFold(s, t string) bool { + for s != "" && t != "" { + sr, size := utf8.DecodeRuneInString(s) + s = s[size:] + tr, size := utf8.DecodeRuneInString(t) + t = t[size:] + if sr == tr { + continue + } + if 'A' <= sr && sr <= 'Z' { + sr = sr + 'a' - 'A' + } + if 'A' <= tr && tr <= 'Z' { + tr = tr + 'a' - 'A' + } + if sr != tr { + return false + } + } + return s == t +} + +// tokenListContainsValue returns true if the 1#token header with the given +// name contains a token equal to value with ASCII case folding. +func tokenListContainsValue(header http.Header, name string, value string) bool { +headers: + for _, s := range header[name] { + for { + var t string + t, s = nextToken(skipSpace(s)) + if t == "" { + continue headers + } + s = skipSpace(s) + if s != "" && s[0] != ',' { + continue headers + } + if equalASCIIFold(t, value) { + return true + } + if s == "" { + continue headers + } + s = s[1:] + } + } + return false +} + +// parseExtensions parses WebSocket extensions from a header. +func parseExtensions(header http.Header) []map[string]string { + // From RFC 6455: + // + // Sec-WebSocket-Extensions = extension-list + // extension-list = 1#extension + // extension = extension-token *( ";" extension-param ) + // extension-token = registered-token + // registered-token = token + // extension-param = token [ "=" (token | quoted-string) ] + // ;When using the quoted-string syntax variant, the value + // ;after quoted-string unescaping MUST conform to the + // ;'token' ABNF. + + var result []map[string]string +headers: + for _, s := range header["Sec-Websocket-Extensions"] { + for { + var t string + t, s = nextToken(skipSpace(s)) + if t == "" { + continue headers + } + ext := map[string]string{"": t} + for { + s = skipSpace(s) + if !strings.HasPrefix(s, ";") { + break + } + var k string + k, s = nextToken(skipSpace(s[1:])) + if k == "" { + continue headers + } + s = skipSpace(s) + var v string + if strings.HasPrefix(s, "=") { + v, s = nextTokenOrQuoted(skipSpace(s[1:])) + s = skipSpace(s) + } + if s != "" && s[0] != ',' && s[0] != ';' { + continue headers + } + ext[k] = v + } + if s != "" && s[0] != ',' { + continue headers + } + result = append(result, ext) + if s == "" { + continue headers + } + s = s[1:] + } + } + return result +} diff --git a/vendor/github.com/gorilla/websocket/x_net_proxy.go b/vendor/github.com/gorilla/websocket/x_net_proxy.go new file mode 100644 index 0000000..2e668f6 --- /dev/null +++ b/vendor/github.com/gorilla/websocket/x_net_proxy.go @@ -0,0 +1,473 @@ +// Code generated by golang.org/x/tools/cmd/bundle. DO NOT EDIT. +//go:generate bundle -o x_net_proxy.go golang.org/x/net/proxy + +// Package proxy provides support for a variety of protocols to proxy network +// data. +// + +package websocket + +import ( + "errors" + "io" + "net" + "net/url" + "os" + "strconv" + "strings" + "sync" +) + +type proxy_direct struct{} + +// Direct is a direct proxy: one that makes network connections directly. +var proxy_Direct = proxy_direct{} + +func (proxy_direct) Dial(network, addr string) (net.Conn, error) { + return net.Dial(network, addr) +} + +// A PerHost directs connections to a default Dialer unless the host name +// requested matches one of a number of exceptions. +type proxy_PerHost struct { + def, bypass proxy_Dialer + + bypassNetworks []*net.IPNet + bypassIPs []net.IP + bypassZones []string + bypassHosts []string +} + +// NewPerHost returns a PerHost Dialer that directs connections to either +// defaultDialer or bypass, depending on whether the connection matches one of +// the configured rules. +func proxy_NewPerHost(defaultDialer, bypass proxy_Dialer) *proxy_PerHost { + return &proxy_PerHost{ + def: defaultDialer, + bypass: bypass, + } +} + +// Dial connects to the address addr on the given network through either +// defaultDialer or bypass. +func (p *proxy_PerHost) Dial(network, addr string) (c net.Conn, err error) { + host, _, err := net.SplitHostPort(addr) + if err != nil { + return nil, err + } + + return p.dialerForRequest(host).Dial(network, addr) +} + +func (p *proxy_PerHost) dialerForRequest(host string) proxy_Dialer { + if ip := net.ParseIP(host); ip != nil { + for _, net := range p.bypassNetworks { + if net.Contains(ip) { + return p.bypass + } + } + for _, bypassIP := range p.bypassIPs { + if bypassIP.Equal(ip) { + return p.bypass + } + } + return p.def + } + + for _, zone := range p.bypassZones { + if strings.HasSuffix(host, zone) { + return p.bypass + } + if host == zone[1:] { + // For a zone ".example.com", we match "example.com" + // too. + return p.bypass + } + } + for _, bypassHost := range p.bypassHosts { + if bypassHost == host { + return p.bypass + } + } + return p.def +} + +// AddFromString parses a string that contains comma-separated values +// specifying hosts that should use the bypass proxy. Each value is either an +// IP address, a CIDR range, a zone (*.example.com) or a host name +// (localhost). A best effort is made to parse the string and errors are +// ignored. +func (p *proxy_PerHost) AddFromString(s string) { + hosts := strings.Split(s, ",") + for _, host := range hosts { + host = strings.TrimSpace(host) + if len(host) == 0 { + continue + } + if strings.Contains(host, "/") { + // We assume that it's a CIDR address like 127.0.0.0/8 + if _, net, err := net.ParseCIDR(host); err == nil { + p.AddNetwork(net) + } + continue + } + if ip := net.ParseIP(host); ip != nil { + p.AddIP(ip) + continue + } + if strings.HasPrefix(host, "*.") { + p.AddZone(host[1:]) + continue + } + p.AddHost(host) + } +} + +// AddIP specifies an IP address that will use the bypass proxy. Note that +// this will only take effect if a literal IP address is dialed. A connection +// to a named host will never match an IP. +func (p *proxy_PerHost) AddIP(ip net.IP) { + p.bypassIPs = append(p.bypassIPs, ip) +} + +// AddNetwork specifies an IP range that will use the bypass proxy. Note that +// this will only take effect if a literal IP address is dialed. A connection +// to a named host will never match. +func (p *proxy_PerHost) AddNetwork(net *net.IPNet) { + p.bypassNetworks = append(p.bypassNetworks, net) +} + +// AddZone specifies a DNS suffix that will use the bypass proxy. A zone of +// "example.com" matches "example.com" and all of its subdomains. +func (p *proxy_PerHost) AddZone(zone string) { + if strings.HasSuffix(zone, ".") { + zone = zone[:len(zone)-1] + } + if !strings.HasPrefix(zone, ".") { + zone = "." + zone + } + p.bypassZones = append(p.bypassZones, zone) +} + +// AddHost specifies a host name that will use the bypass proxy. +func (p *proxy_PerHost) AddHost(host string) { + if strings.HasSuffix(host, ".") { + host = host[:len(host)-1] + } + p.bypassHosts = append(p.bypassHosts, host) +} + +// A Dialer is a means to establish a connection. +type proxy_Dialer interface { + // Dial connects to the given address via the proxy. + Dial(network, addr string) (c net.Conn, err error) +} + +// Auth contains authentication parameters that specific Dialers may require. +type proxy_Auth struct { + User, Password string +} + +// FromEnvironment returns the dialer specified by the proxy related variables in +// the environment. +func proxy_FromEnvironment() proxy_Dialer { + allProxy := proxy_allProxyEnv.Get() + if len(allProxy) == 0 { + return proxy_Direct + } + + proxyURL, err := url.Parse(allProxy) + if err != nil { + return proxy_Direct + } + proxy, err := proxy_FromURL(proxyURL, proxy_Direct) + if err != nil { + return proxy_Direct + } + + noProxy := proxy_noProxyEnv.Get() + if len(noProxy) == 0 { + return proxy + } + + perHost := proxy_NewPerHost(proxy, proxy_Direct) + perHost.AddFromString(noProxy) + return perHost +} + +// proxySchemes is a map from URL schemes to a function that creates a Dialer +// from a URL with such a scheme. +var proxy_proxySchemes map[string]func(*url.URL, proxy_Dialer) (proxy_Dialer, error) + +// RegisterDialerType takes a URL scheme and a function to generate Dialers from +// a URL with that scheme and a forwarding Dialer. Registered schemes are used +// by FromURL. +func proxy_RegisterDialerType(scheme string, f func(*url.URL, proxy_Dialer) (proxy_Dialer, error)) { + if proxy_proxySchemes == nil { + proxy_proxySchemes = make(map[string]func(*url.URL, proxy_Dialer) (proxy_Dialer, error)) + } + proxy_proxySchemes[scheme] = f +} + +// FromURL returns a Dialer given a URL specification and an underlying +// Dialer for it to make network requests. +func proxy_FromURL(u *url.URL, forward proxy_Dialer) (proxy_Dialer, error) { + var auth *proxy_Auth + if u.User != nil { + auth = new(proxy_Auth) + auth.User = u.User.Username() + if p, ok := u.User.Password(); ok { + auth.Password = p + } + } + + switch u.Scheme { + case "socks5": + return proxy_SOCKS5("tcp", u.Host, auth, forward) + } + + // If the scheme doesn't match any of the built-in schemes, see if it + // was registered by another package. + if proxy_proxySchemes != nil { + if f, ok := proxy_proxySchemes[u.Scheme]; ok { + return f(u, forward) + } + } + + return nil, errors.New("proxy: unknown scheme: " + u.Scheme) +} + +var ( + proxy_allProxyEnv = &proxy_envOnce{ + names: []string{"ALL_PROXY", "all_proxy"}, + } + proxy_noProxyEnv = &proxy_envOnce{ + names: []string{"NO_PROXY", "no_proxy"}, + } +) + +// envOnce looks up an environment variable (optionally by multiple +// names) once. It mitigates expensive lookups on some platforms +// (e.g. Windows). +// (Borrowed from net/http/transport.go) +type proxy_envOnce struct { + names []string + once sync.Once + val string +} + +func (e *proxy_envOnce) Get() string { + e.once.Do(e.init) + return e.val +} + +func (e *proxy_envOnce) init() { + for _, n := range e.names { + e.val = os.Getenv(n) + if e.val != "" { + return + } + } +} + +// SOCKS5 returns a Dialer that makes SOCKSv5 connections to the given address +// with an optional username and password. See RFC 1928 and RFC 1929. +func proxy_SOCKS5(network, addr string, auth *proxy_Auth, forward proxy_Dialer) (proxy_Dialer, error) { + s := &proxy_socks5{ + network: network, + addr: addr, + forward: forward, + } + if auth != nil { + s.user = auth.User + s.password = auth.Password + } + + return s, nil +} + +type proxy_socks5 struct { + user, password string + network, addr string + forward proxy_Dialer +} + +const proxy_socks5Version = 5 + +const ( + proxy_socks5AuthNone = 0 + proxy_socks5AuthPassword = 2 +) + +const proxy_socks5Connect = 1 + +const ( + proxy_socks5IP4 = 1 + proxy_socks5Domain = 3 + proxy_socks5IP6 = 4 +) + +var proxy_socks5Errors = []string{ + "", + "general failure", + "connection forbidden", + "network unreachable", + "host unreachable", + "connection refused", + "TTL expired", + "command not supported", + "address type not supported", +} + +// Dial connects to the address addr on the given network via the SOCKS5 proxy. +func (s *proxy_socks5) Dial(network, addr string) (net.Conn, error) { + switch network { + case "tcp", "tcp6", "tcp4": + default: + return nil, errors.New("proxy: no support for SOCKS5 proxy connections of type " + network) + } + + conn, err := s.forward.Dial(s.network, s.addr) + if err != nil { + return nil, err + } + if err := s.connect(conn, addr); err != nil { + conn.Close() + return nil, err + } + return conn, nil +} + +// connect takes an existing connection to a socks5 proxy server, +// and commands the server to extend that connection to target, +// which must be a canonical address with a host and port. +func (s *proxy_socks5) connect(conn net.Conn, target string) error { + host, portStr, err := net.SplitHostPort(target) + if err != nil { + return err + } + + port, err := strconv.Atoi(portStr) + if err != nil { + return errors.New("proxy: failed to parse port number: " + portStr) + } + if port < 1 || port > 0xffff { + return errors.New("proxy: port number out of range: " + portStr) + } + + // the size here is just an estimate + buf := make([]byte, 0, 6+len(host)) + + buf = append(buf, proxy_socks5Version) + if len(s.user) > 0 && len(s.user) < 256 && len(s.password) < 256 { + buf = append(buf, 2 /* num auth methods */, proxy_socks5AuthNone, proxy_socks5AuthPassword) + } else { + buf = append(buf, 1 /* num auth methods */, proxy_socks5AuthNone) + } + + if _, err := conn.Write(buf); err != nil { + return errors.New("proxy: failed to write greeting to SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + + if _, err := io.ReadFull(conn, buf[:2]); err != nil { + return errors.New("proxy: failed to read greeting from SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + if buf[0] != 5 { + return errors.New("proxy: SOCKS5 proxy at " + s.addr + " has unexpected version " + strconv.Itoa(int(buf[0]))) + } + if buf[1] == 0xff { + return errors.New("proxy: SOCKS5 proxy at " + s.addr + " requires authentication") + } + + // See RFC 1929 + if buf[1] == proxy_socks5AuthPassword { + buf = buf[:0] + buf = append(buf, 1 /* password protocol version */) + buf = append(buf, uint8(len(s.user))) + buf = append(buf, s.user...) + buf = append(buf, uint8(len(s.password))) + buf = append(buf, s.password...) + + if _, err := conn.Write(buf); err != nil { + return errors.New("proxy: failed to write authentication request to SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + + if _, err := io.ReadFull(conn, buf[:2]); err != nil { + return errors.New("proxy: failed to read authentication reply from SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + + if buf[1] != 0 { + return errors.New("proxy: SOCKS5 proxy at " + s.addr + " rejected username/password") + } + } + + buf = buf[:0] + buf = append(buf, proxy_socks5Version, proxy_socks5Connect, 0 /* reserved */) + + if ip := net.ParseIP(host); ip != nil { + if ip4 := ip.To4(); ip4 != nil { + buf = append(buf, proxy_socks5IP4) + ip = ip4 + } else { + buf = append(buf, proxy_socks5IP6) + } + buf = append(buf, ip...) + } else { + if len(host) > 255 { + return errors.New("proxy: destination host name too long: " + host) + } + buf = append(buf, proxy_socks5Domain) + buf = append(buf, byte(len(host))) + buf = append(buf, host...) + } + buf = append(buf, byte(port>>8), byte(port)) + + if _, err := conn.Write(buf); err != nil { + return errors.New("proxy: failed to write connect request to SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + + if _, err := io.ReadFull(conn, buf[:4]); err != nil { + return errors.New("proxy: failed to read connect reply from SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + + failure := "unknown error" + if int(buf[1]) < len(proxy_socks5Errors) { + failure = proxy_socks5Errors[buf[1]] + } + + if len(failure) > 0 { + return errors.New("proxy: SOCKS5 proxy at " + s.addr + " failed to connect: " + failure) + } + + bytesToDiscard := 0 + switch buf[3] { + case proxy_socks5IP4: + bytesToDiscard = net.IPv4len + case proxy_socks5IP6: + bytesToDiscard = net.IPv6len + case proxy_socks5Domain: + _, err := io.ReadFull(conn, buf[:1]) + if err != nil { + return errors.New("proxy: failed to read domain length from SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + bytesToDiscard = int(buf[0]) + default: + return errors.New("proxy: got unknown address type " + strconv.Itoa(int(buf[3])) + " from SOCKS5 proxy at " + s.addr) + } + + if cap(buf) < bytesToDiscard { + buf = make([]byte, bytesToDiscard) + } else { + buf = buf[:bytesToDiscard] + } + if _, err := io.ReadFull(conn, buf); err != nil { + return errors.New("proxy: failed to read address from SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + + // Also need to discard the port number + if _, err := io.ReadFull(conn, buf[:2]); err != nil { + return errors.New("proxy: failed to read port from SOCKS5 proxy at " + s.addr + ": " + err.Error()) + } + + return nil +} diff --git a/vendor/github.com/json-iterator/go/.codecov.yml b/vendor/github.com/json-iterator/go/.codecov.yml new file mode 100644 index 0000000..955dc0b --- /dev/null +++ b/vendor/github.com/json-iterator/go/.codecov.yml @@ -0,0 +1,3 @@ +ignore: + - "output_tests/.*" + diff --git a/vendor/github.com/json-iterator/go/.gitignore b/vendor/github.com/json-iterator/go/.gitignore new file mode 100644 index 0000000..501fcdc --- /dev/null +++ b/vendor/github.com/json-iterator/go/.gitignore @@ -0,0 +1,3 @@ +.idea +/coverage.txt +/profile.out diff --git a/vendor/github.com/json-iterator/go/.travis.yml b/vendor/github.com/json-iterator/go/.travis.yml new file mode 100644 index 0000000..945b9c5 --- /dev/null +++ b/vendor/github.com/json-iterator/go/.travis.yml @@ -0,0 +1,13 @@ +language: go + +go: + - 1.8.x + +before_install: + - go get -t -v ./... + +script: + - ./test.sh + +after_success: + - bash <(curl -s https://codecov.io/bash) diff --git a/vendor/github.com/json-iterator/go/LICENSE b/vendor/github.com/json-iterator/go/LICENSE new file mode 100644 index 0000000..2cf4f5a --- /dev/null +++ b/vendor/github.com/json-iterator/go/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2016 json-iterator + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/vendor/github.com/json-iterator/go/README.md b/vendor/github.com/json-iterator/go/README.md new file mode 100644 index 0000000..23a4b57 --- /dev/null +++ b/vendor/github.com/json-iterator/go/README.md @@ -0,0 +1,80 @@ +[![Sourcegraph](https://sourcegraph.com/github.com/json-iterator/go/-/badge.svg)](https://sourcegraph.com/github.com/json-iterator/go?badge) +[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/json-iterator/go) +[![Build Status](https://travis-ci.org/json-iterator/go.svg?branch=master)](https://travis-ci.org/json-iterator/go) +[![codecov](https://codecov.io/gh/json-iterator/go/branch/master/graph/badge.svg)](https://codecov.io/gh/json-iterator/go) +[![rcard](https://goreportcard.com/badge/github.com/json-iterator/go)](https://goreportcard.com/report/github.com/json-iterator/go) +[![License](http://img.shields.io/badge/license-mit-blue.svg?style=flat-square)](https://raw.githubusercontent.com/json-iterator/go/master/LICENSE) +[![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/json-iterator/Lobby) + +A high-performance 100% compatible drop-in replacement of "encoding/json" + +``` +Go开发者们请加入我们，滴滴出行平台技术部 taowen@didichuxing.com +``` + +# Benchmark + +![benchmark](http://jsoniter.com/benchmarks/go-benchmark.png) + +Source code: https://github.com/json-iterator/go-benchmark/blob/master/src/github.com/json-iterator/go-benchmark/benchmark_medium_payload_test.go + +Raw Result (easyjson requires static code generation) + +| | ns/op | allocation bytes | allocation times | +| --- | --- | --- | --- | +| std decode | 35510 ns/op | 1960 B/op | 99 allocs/op | +| easyjson decode | 8499 ns/op | 160 B/op | 4 allocs/op | +| jsoniter decode | 5623 ns/op | 160 B/op | 3 allocs/op | +| std encode | 2213 ns/op | 712 B/op | 5 allocs/op | +| easyjson encode | 883 ns/op | 576 B/op | 3 allocs/op | +| jsoniter encode | 837 ns/op | 384 B/op | 4 allocs/op | + +# Usage + +100% compatibility with standard lib + +Replace + +```go +import "encoding/json" +json.Marshal(&data) +``` + +with + +```go +import "github.com/json-iterator/go" +jsoniter.Marshal(&data) +``` + +Replace + +```go +import "encoding/json" +json.Unmarshal(input, &data) +``` + +with + +```go +import "github.com/json-iterator/go" +jsoniter.Unmarshal(input, &data) +``` + +[More documentation](http://jsoniter.com/migrate-from-go-std.html) + +# How to get + +``` +go get github.com/json-iterator/go +``` + +# Contribution Welcomed ! + +Contributors + +* [thockin](https://github.com/thockin) +* [mattn](https://github.com/mattn) +* [cch123](https://github.com/cch123) + +Report issue or pull request, or email taowen@gmail.com, or [![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/json-iterator/Lobby) diff --git a/vendor/github.com/json-iterator/go/feature_adapter.go b/vendor/github.com/json-iterator/go/feature_adapter.go new file mode 100644 index 0000000..edb477c --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_adapter.go @@ -0,0 +1,127 @@ +package jsoniter + +import ( + "bytes" + "io" +) + +// RawMessage to make replace json with jsoniter +type RawMessage []byte + +// Unmarshal adapts to json/encoding Unmarshal API +// +// Unmarshal parses the JSON-encoded data and stores the result in the value pointed to by v. +// Refer to https://godoc.org/encoding/json#Unmarshal for more information +func Unmarshal(data []byte, v interface{}) error { + return ConfigDefault.Unmarshal(data, v) +} + +func lastNotSpacePos(data []byte) int { + for i := len(data) - 1; i >= 0; i-- { + if data[i] != ' ' && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' { + return i + 1 + } + } + return 0 +} + +// UnmarshalFromString convenient method to read from string instead of []byte +func UnmarshalFromString(str string, v interface{}) error { + return ConfigDefault.UnmarshalFromString(str, v) +} + +// Get quick method to get value from deeply nested JSON structure +func Get(data []byte, path ...interface{}) Any { + return ConfigDefault.Get(data, path...) +} + +// Marshal adapts to json/encoding Marshal API +// +// Marshal returns the JSON encoding of v, adapts to json/encoding Marshal API +// Refer to https://godoc.org/encoding/json#Marshal for more information +func Marshal(v interface{}) ([]byte, error) { + return ConfigDefault.Marshal(v) +} + +// MarshalIndent same as json.MarshalIndent. Prefix is not supported. +func MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) { + return ConfigDefault.MarshalIndent(v, prefix, indent) +} + +// MarshalToString convenient method to write as string instead of []byte +func MarshalToString(v interface{}) (string, error) { + return ConfigDefault.MarshalToString(v) +} + +// NewDecoder adapts to json/stream NewDecoder API. +// +// NewDecoder returns a new decoder that reads from r. +// +// Instead of a json/encoding Decoder, an Decoder is returned +// Refer to https://godoc.org/encoding/json#NewDecoder for more information +func NewDecoder(reader io.Reader) *Decoder { + return ConfigDefault.NewDecoder(reader) +} + +// Decoder reads and decodes JSON values from an input stream. +// Decoder provides identical APIs with json/stream Decoder (Token() and UseNumber() are in progress) +type Decoder struct { + iter *Iterator +} + +// Decode decode JSON into interface{} +func (adapter *Decoder) Decode(obj interface{}) error { + adapter.iter.ReadVal(obj) + err := adapter.iter.Error + if err == io.EOF { + return nil + } + return adapter.iter.Error +} + +// More is there more? +func (adapter *Decoder) More() bool { + return adapter.iter.head != adapter.iter.tail +} + +// Buffered remaining buffer +func (adapter *Decoder) Buffered() io.Reader { + remaining := adapter.iter.buf[adapter.iter.head:adapter.iter.tail] + return bytes.NewReader(remaining) +} + +// UseNumber for number JSON element, use float64 or json.NumberValue (alias of string) +func (adapter *Decoder) UseNumber() { + origCfg := adapter.iter.cfg.configBeforeFrozen + origCfg.UseNumber = true + adapter.iter.cfg = origCfg.Froze().(*frozenConfig) +} + +// NewEncoder same as json.NewEncoder +func NewEncoder(writer io.Writer) *Encoder { + return ConfigDefault.NewEncoder(writer) +} + +// Encoder same as json.Encoder +type Encoder struct { + stream *Stream +} + +// Encode encode interface{} as JSON to io.Writer +func (adapter *Encoder) Encode(val interface{}) error { + adapter.stream.WriteVal(val) + adapter.stream.Flush() + return adapter.stream.Error +} + +// SetIndent set the indention. Prefix is not supported +func (adapter *Encoder) SetIndent(prefix, indent string) { + adapter.stream.cfg.indentionStep = len(indent) +} + +// SetEscapeHTML escape html by default, set to false to disable +func (adapter *Encoder) SetEscapeHTML(escapeHTML bool) { + config := adapter.stream.cfg.configBeforeFrozen + config.EscapeHTML = escapeHTML + adapter.stream.cfg = config.Froze().(*frozenConfig) +} diff --git a/vendor/github.com/json-iterator/go/feature_any.go b/vendor/github.com/json-iterator/go/feature_any.go new file mode 100644 index 0000000..6733dce --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any.go @@ -0,0 +1,242 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" +) + +// Any generic object representation. +// The lazy json implementation holds []byte and parse lazily. +type Any interface { + LastError() error + ValueType() ValueType + MustBeValid() Any + ToBool() bool + ToInt() int + ToInt32() int32 + ToInt64() int64 + ToUint() uint + ToUint32() uint32 + ToUint64() uint64 + ToFloat32() float32 + ToFloat64() float64 + ToString() string + ToVal(val interface{}) + Get(path ...interface{}) Any + // TODO: add Set + Size() int + Keys() []string + GetInterface() interface{} + WriteTo(stream *Stream) +} + +type baseAny struct{} + +func (any *baseAny) Get(path ...interface{}) Any { + return &invalidAny{baseAny{}, fmt.Errorf("Get %v from simple value", path)} +} + +func (any *baseAny) Size() int { + return 0 +} + +func (any *baseAny) Keys() []string { + return []string{} +} + +func (any *baseAny) ToVal(obj interface{}) { + panic("not implemented") +} + +// WrapInt32 turn int32 into Any interface +func WrapInt32(val int32) Any { + return &int32Any{baseAny{}, val} +} + +// WrapInt64 turn int64 into Any interface +func WrapInt64(val int64) Any { + return &int64Any{baseAny{}, val} +} + +// WrapUint32 turn uint32 into Any interface +func WrapUint32(val uint32) Any { + return &uint32Any{baseAny{}, val} +} + +// WrapUint64 turn uint64 into Any interface +func WrapUint64(val uint64) Any { + return &uint64Any{baseAny{}, val} +} + +// WrapFloat64 turn float64 into Any interface +func WrapFloat64(val float64) Any { + return &floatAny{baseAny{}, val} +} + +// WrapString turn string into Any interface +func WrapString(val string) Any { + return &stringAny{baseAny{}, val} +} + +// Wrap turn a go object into Any interface +func Wrap(val interface{}) Any { + if val == nil { + return &nilAny{} + } + asAny, isAny := val.(Any) + if isAny { + return asAny + } + typ := reflect.TypeOf(val) + switch typ.Kind() { + case reflect.Slice: + return wrapArray(val) + case reflect.Struct: + return wrapStruct(val) + case reflect.Map: + return wrapMap(val) + case reflect.String: + return WrapString(val.(string)) + case reflect.Int: + return WrapInt64(int64(val.(int))) + case reflect.Int8: + return WrapInt32(int32(val.(int8))) + case reflect.Int16: + return WrapInt32(int32(val.(int16))) + case reflect.Int32: + return WrapInt32(val.(int32)) + case reflect.Int64: + return WrapInt64(val.(int64)) + case reflect.Uint: + return WrapUint64(uint64(val.(uint))) + case reflect.Uint8: + return WrapUint32(uint32(val.(uint8))) + case reflect.Uint16: + return WrapUint32(uint32(val.(uint16))) + case reflect.Uint32: + return WrapUint32(uint32(val.(uint32))) + case reflect.Uint64: + return WrapUint64(val.(uint64)) + case reflect.Float32: + return WrapFloat64(float64(val.(float32))) + case reflect.Float64: + return WrapFloat64(val.(float64)) + case reflect.Bool: + if val.(bool) == true { + return &trueAny{} + } + return &falseAny{} + } + return &invalidAny{baseAny{}, fmt.Errorf("unsupported type: %v", typ)} +} + +// ReadAny read next JSON element as an Any object. It is a better json.RawMessage. +func (iter *Iterator) ReadAny() Any { + return iter.readAny() +} + +func (iter *Iterator) readAny() Any { + c := iter.nextToken() + switch c { + case '"': + iter.unreadByte() + return &stringAny{baseAny{}, iter.ReadString()} + case 'n': + iter.skipThreeBytes('u', 'l', 'l') // null + return &nilAny{} + case 't': + iter.skipThreeBytes('r', 'u', 'e') // true + return &trueAny{} + case 'f': + iter.skipFourBytes('a', 'l', 's', 'e') // false + return &falseAny{} + case '{': + return iter.readObjectAny() + case '[': + return iter.readArrayAny() + case '-': + return iter.readNumberAny(false) + default: + return iter.readNumberAny(true) + } +} + +func (iter *Iterator) readNumberAny(positive bool) Any { + iter.startCapture(iter.head - 1) + iter.skipNumber() + lazyBuf := iter.stopCapture() + return &numberLazyAny{baseAny{}, iter.cfg, lazyBuf, nil} +} + +func (iter *Iterator) readObjectAny() Any { + iter.startCapture(iter.head - 1) + iter.skipObject() + lazyBuf := iter.stopCapture() + return &objectLazyAny{baseAny{}, iter.cfg, lazyBuf, nil} +} + +func (iter *Iterator) readArrayAny() Any { + iter.startCapture(iter.head - 1) + iter.skipArray() + lazyBuf := iter.stopCapture() + return &arrayLazyAny{baseAny{}, iter.cfg, lazyBuf, nil} +} + +func locateObjectField(iter *Iterator, target string) []byte { + var found []byte + iter.ReadObjectCB(func(iter *Iterator, field string) bool { + if field == target { + found = iter.SkipAndReturnBytes() + return false + } + iter.Skip() + return true + }) + return found +} + +func locateArrayElement(iter *Iterator, target int) []byte { + var found []byte + n := 0 + iter.ReadArrayCB(func(iter *Iterator) bool { + if n == target { + found = iter.SkipAndReturnBytes() + return false + } + iter.Skip() + n++ + return true + }) + return found +} + +func locatePath(iter *Iterator, path []interface{}) Any { + for i, pathKeyObj := range path { + switch pathKey := pathKeyObj.(type) { + case string: + valueBytes := locateObjectField(iter, pathKey) + if valueBytes == nil { + return newInvalidAny(path[i:]) + } + iter.ResetBytes(valueBytes) + case int: + valueBytes := locateArrayElement(iter, pathKey) + if valueBytes == nil { + return newInvalidAny(path[i:]) + } + iter.ResetBytes(valueBytes) + case int32: + if '*' == pathKey { + return iter.readAny().Get(path[i:]...) + } + return newInvalidAny(path[i:]) + default: + return newInvalidAny(path[i:]) + } + } + if iter.Error != nil && iter.Error != io.EOF { + return &invalidAny{baseAny{}, iter.Error} + } + return iter.readAny() +} diff --git a/vendor/github.com/json-iterator/go/feature_any_array.go b/vendor/github.com/json-iterator/go/feature_any_array.go new file mode 100644 index 0000000..0449e9a --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_array.go @@ -0,0 +1,278 @@ +package jsoniter + +import ( + "reflect" + "unsafe" +) + +type arrayLazyAny struct { + baseAny + cfg *frozenConfig + buf []byte + err error +} + +func (any *arrayLazyAny) ValueType() ValueType { + return ArrayValue +} + +func (any *arrayLazyAny) MustBeValid() Any { + return any +} + +func (any *arrayLazyAny) LastError() error { + return any.err +} + +func (any *arrayLazyAny) ToBool() bool { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + return iter.ReadArray() +} + +func (any *arrayLazyAny) ToInt() int { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToInt32() int32 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToInt64() int64 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToUint() uint { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToUint32() uint32 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToUint64() uint64 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToFloat32() float32 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToFloat64() float64 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToString() string { + return *(*string)(unsafe.Pointer(&any.buf)) +} + +func (any *arrayLazyAny) ToVal(val interface{}) { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadVal(val) +} + +func (any *arrayLazyAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case int: + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + valueBytes := locateArrayElement(iter, firstPath) + if valueBytes == nil { + return newInvalidAny(path) + } + iter.ResetBytes(valueBytes) + return locatePath(iter, path[1:]) + case int32: + if '*' == firstPath { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + arr := make([]Any, 0) + iter.ReadArrayCB(func(iter *Iterator) bool { + found := iter.readAny().Get(path[1:]...) + if found.ValueType() != InvalidValue { + arr = append(arr, found) + } + return true + }) + return wrapArray(arr) + } + return newInvalidAny(path) + default: + return newInvalidAny(path) + } +} + +func (any *arrayLazyAny) Size() int { + size := 0 + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadArrayCB(func(iter *Iterator) bool { + size++ + iter.Skip() + return true + }) + return size +} + +func (any *arrayLazyAny) WriteTo(stream *Stream) { + stream.Write(any.buf) +} + +func (any *arrayLazyAny) GetInterface() interface{} { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + return iter.Read() +} + +type arrayAny struct { + baseAny + val reflect.Value +} + +func wrapArray(val interface{}) *arrayAny { + return &arrayAny{baseAny{}, reflect.ValueOf(val)} +} + +func (any *arrayAny) ValueType() ValueType { + return ArrayValue +} + +func (any *arrayAny) MustBeValid() Any { + return any +} + +func (any *arrayAny) LastError() error { + return nil +} + +func (any *arrayAny) ToBool() bool { + return any.val.Len() != 0 +} + +func (any *arrayAny) ToInt() int { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToInt32() int32 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToInt64() int64 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToUint() uint { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToUint32() uint32 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToUint64() uint64 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToFloat32() float32 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToFloat64() float64 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToString() string { + str, _ := MarshalToString(any.val.Interface()) + return str +} + +func (any *arrayAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case int: + if firstPath < 0 || firstPath >= any.val.Len() { + return newInvalidAny(path) + } + return Wrap(any.val.Index(firstPath).Interface()) + case int32: + if '*' == firstPath { + mappedAll := make([]Any, 0) + for i := 0; i < any.val.Len(); i++ { + mapped := Wrap(any.val.Index(i).Interface()).Get(path[1:]...) + if mapped.ValueType() != InvalidValue { + mappedAll = append(mappedAll, mapped) + } + } + return wrapArray(mappedAll) + } + return newInvalidAny(path) + default: + return newInvalidAny(path) + } +} + +func (any *arrayAny) Size() int { + return any.val.Len() +} + +func (any *arrayAny) WriteTo(stream *Stream) { + stream.WriteVal(any.val) +} + +func (any *arrayAny) GetInterface() interface{} { + return any.val.Interface() +} diff --git a/vendor/github.com/json-iterator/go/feature_any_bool.go b/vendor/github.com/json-iterator/go/feature_any_bool.go new file mode 100644 index 0000000..9452324 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_bool.go @@ -0,0 +1,137 @@ +package jsoniter + +type trueAny struct { + baseAny +} + +func (any *trueAny) LastError() error { + return nil +} + +func (any *trueAny) ToBool() bool { + return true +} + +func (any *trueAny) ToInt() int { + return 1 +} + +func (any *trueAny) ToInt32() int32 { + return 1 +} + +func (any *trueAny) ToInt64() int64 { + return 1 +} + +func (any *trueAny) ToUint() uint { + return 1 +} + +func (any *trueAny) ToUint32() uint32 { + return 1 +} + +func (any *trueAny) ToUint64() uint64 { + return 1 +} + +func (any *trueAny) ToFloat32() float32 { + return 1 +} + +func (any *trueAny) ToFloat64() float64 { + return 1 +} + +func (any *trueAny) ToString() string { + return "true" +} + +func (any *trueAny) WriteTo(stream *Stream) { + stream.WriteTrue() +} + +func (any *trueAny) Parse() *Iterator { + return nil +} + +func (any *trueAny) GetInterface() interface{} { + return true +} + +func (any *trueAny) ValueType() ValueType { + return BoolValue +} + +func (any *trueAny) MustBeValid() Any { + return any +} + +type falseAny struct { + baseAny +} + +func (any *falseAny) LastError() error { + return nil +} + +func (any *falseAny) ToBool() bool { + return false +} + +func (any *falseAny) ToInt() int { + return 0 +} + +func (any *falseAny) ToInt32() int32 { + return 0 +} + +func (any *falseAny) ToInt64() int64 { + return 0 +} + +func (any *falseAny) ToUint() uint { + return 0 +} + +func (any *falseAny) ToUint32() uint32 { + return 0 +} + +func (any *falseAny) ToUint64() uint64 { + return 0 +} + +func (any *falseAny) ToFloat32() float32 { + return 0 +} + +func (any *falseAny) ToFloat64() float64 { + return 0 +} + +func (any *falseAny) ToString() string { + return "false" +} + +func (any *falseAny) WriteTo(stream *Stream) { + stream.WriteFalse() +} + +func (any *falseAny) Parse() *Iterator { + return nil +} + +func (any *falseAny) GetInterface() interface{} { + return false +} + +func (any *falseAny) ValueType() ValueType { + return BoolValue +} + +func (any *falseAny) MustBeValid() Any { + return any +} diff --git a/vendor/github.com/json-iterator/go/feature_any_float.go b/vendor/github.com/json-iterator/go/feature_any_float.go new file mode 100644 index 0000000..35fdb09 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_float.go @@ -0,0 +1,83 @@ +package jsoniter + +import ( + "strconv" +) + +type floatAny struct { + baseAny + val float64 +} + +func (any *floatAny) Parse() *Iterator { + return nil +} + +func (any *floatAny) ValueType() ValueType { + return NumberValue +} + +func (any *floatAny) MustBeValid() Any { + return any +} + +func (any *floatAny) LastError() error { + return nil +} + +func (any *floatAny) ToBool() bool { + return any.ToFloat64() != 0 +} + +func (any *floatAny) ToInt() int { + return int(any.val) +} + +func (any *floatAny) ToInt32() int32 { + return int32(any.val) +} + +func (any *floatAny) ToInt64() int64 { + return int64(any.val) +} + +func (any *floatAny) ToUint() uint { + if any.val > 0 { + return uint(any.val) + } + return 0 +} + +func (any *floatAny) ToUint32() uint32 { + if any.val > 0 { + return uint32(any.val) + } + return 0 +} + +func (any *floatAny) ToUint64() uint64 { + if any.val > 0 { + return uint64(any.val) + } + return 0 +} + +func (any *floatAny) ToFloat32() float32 { + return float32(any.val) +} + +func (any *floatAny) ToFloat64() float64 { + return any.val +} + +func (any *floatAny) ToString() string { + return strconv.FormatFloat(any.val, 'E', -1, 64) +} + +func (any *floatAny) WriteTo(stream *Stream) { + stream.WriteFloat64(any.val) +} + +func (any *floatAny) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_int32.go b/vendor/github.com/json-iterator/go/feature_any_int32.go new file mode 100644 index 0000000..1b56f39 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_int32.go @@ -0,0 +1,74 @@ +package jsoniter + +import ( + "strconv" +) + +type int32Any struct { + baseAny + val int32 +} + +func (any *int32Any) LastError() error { + return nil +} + +func (any *int32Any) ValueType() ValueType { + return NumberValue +} + +func (any *int32Any) MustBeValid() Any { + return any +} + +func (any *int32Any) ToBool() bool { + return any.val != 0 +} + +func (any *int32Any) ToInt() int { + return int(any.val) +} + +func (any *int32Any) ToInt32() int32 { + return any.val +} + +func (any *int32Any) ToInt64() int64 { + return int64(any.val) +} + +func (any *int32Any) ToUint() uint { + return uint(any.val) +} + +func (any *int32Any) ToUint32() uint32 { + return uint32(any.val) +} + +func (any *int32Any) ToUint64() uint64 { + return uint64(any.val) +} + +func (any *int32Any) ToFloat32() float32 { + return float32(any.val) +} + +func (any *int32Any) ToFloat64() float64 { + return float64(any.val) +} + +func (any *int32Any) ToString() string { + return strconv.FormatInt(int64(any.val), 10) +} + +func (any *int32Any) WriteTo(stream *Stream) { + stream.WriteInt32(any.val) +} + +func (any *int32Any) Parse() *Iterator { + return nil +} + +func (any *int32Any) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_int64.go b/vendor/github.com/json-iterator/go/feature_any_int64.go new file mode 100644 index 0000000..c440d72 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_int64.go @@ -0,0 +1,74 @@ +package jsoniter + +import ( + "strconv" +) + +type int64Any struct { + baseAny + val int64 +} + +func (any *int64Any) LastError() error { + return nil +} + +func (any *int64Any) ValueType() ValueType { + return NumberValue +} + +func (any *int64Any) MustBeValid() Any { + return any +} + +func (any *int64Any) ToBool() bool { + return any.val != 0 +} + +func (any *int64Any) ToInt() int { + return int(any.val) +} + +func (any *int64Any) ToInt32() int32 { + return int32(any.val) +} + +func (any *int64Any) ToInt64() int64 { + return any.val +} + +func (any *int64Any) ToUint() uint { + return uint(any.val) +} + +func (any *int64Any) ToUint32() uint32 { + return uint32(any.val) +} + +func (any *int64Any) ToUint64() uint64 { + return uint64(any.val) +} + +func (any *int64Any) ToFloat32() float32 { + return float32(any.val) +} + +func (any *int64Any) ToFloat64() float64 { + return float64(any.val) +} + +func (any *int64Any) ToString() string { + return strconv.FormatInt(any.val, 10) +} + +func (any *int64Any) WriteTo(stream *Stream) { + stream.WriteInt64(any.val) +} + +func (any *int64Any) Parse() *Iterator { + return nil +} + +func (any *int64Any) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_invalid.go b/vendor/github.com/json-iterator/go/feature_any_invalid.go new file mode 100644 index 0000000..1d859ea --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_invalid.go @@ -0,0 +1,82 @@ +package jsoniter + +import "fmt" + +type invalidAny struct { + baseAny + err error +} + +func newInvalidAny(path []interface{}) *invalidAny { + return &invalidAny{baseAny{}, fmt.Errorf("%v not found", path)} +} + +func (any *invalidAny) LastError() error { + return any.err +} + +func (any *invalidAny) ValueType() ValueType { + return InvalidValue +} + +func (any *invalidAny) MustBeValid() Any { + panic(any.err) +} + +func (any *invalidAny) ToBool() bool { + return false +} + +func (any *invalidAny) ToInt() int { + return 0 +} + +func (any *invalidAny) ToInt32() int32 { + return 0 +} + +func (any *invalidAny) ToInt64() int64 { + return 0 +} + +func (any *invalidAny) ToUint() uint { + return 0 +} + +func (any *invalidAny) ToUint32() uint32 { + return 0 +} + +func (any *invalidAny) ToUint64() uint64 { + return 0 +} + +func (any *invalidAny) ToFloat32() float32 { + return 0 +} + +func (any *invalidAny) ToFloat64() float64 { + return 0 +} + +func (any *invalidAny) ToString() string { + return "" +} + +func (any *invalidAny) WriteTo(stream *Stream) { +} + +func (any *invalidAny) Get(path ...interface{}) Any { + if any.err == nil { + return &invalidAny{baseAny{}, fmt.Errorf("get %v from invalid", path)} + } + return &invalidAny{baseAny{}, fmt.Errorf("%v, get %v from invalid", any.err, path)} +} + +func (any *invalidAny) Parse() *Iterator { + return nil +} + +func (any *invalidAny) GetInterface() interface{} { + return nil +} diff --git a/vendor/github.com/json-iterator/go/feature_any_nil.go b/vendor/github.com/json-iterator/go/feature_any_nil.go new file mode 100644 index 0000000..d04cb54 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_nil.go @@ -0,0 +1,69 @@ +package jsoniter + +type nilAny struct { + baseAny +} + +func (any *nilAny) LastError() error { + return nil +} + +func (any *nilAny) ValueType() ValueType { + return NilValue +} + +func (any *nilAny) MustBeValid() Any { + return any +} + +func (any *nilAny) ToBool() bool { + return false +} + +func (any *nilAny) ToInt() int { + return 0 +} + +func (any *nilAny) ToInt32() int32 { + return 0 +} + +func (any *nilAny) ToInt64() int64 { + return 0 +} + +func (any *nilAny) ToUint() uint { + return 0 +} + +func (any *nilAny) ToUint32() uint32 { + return 0 +} + +func (any *nilAny) ToUint64() uint64 { + return 0 +} + +func (any *nilAny) ToFloat32() float32 { + return 0 +} + +func (any *nilAny) ToFloat64() float64 { + return 0 +} + +func (any *nilAny) ToString() string { + return "" +} + +func (any *nilAny) WriteTo(stream *Stream) { + stream.WriteNil() +} + +func (any *nilAny) Parse() *Iterator { + return nil +} + +func (any *nilAny) GetInterface() interface{} { + return nil +} diff --git a/vendor/github.com/json-iterator/go/feature_any_number.go b/vendor/github.com/json-iterator/go/feature_any_number.go new file mode 100644 index 0000000..4e1c276 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_number.go @@ -0,0 +1,104 @@ +package jsoniter + +import "unsafe" + +type numberLazyAny struct { + baseAny + cfg *frozenConfig + buf []byte + err error +} + +func (any *numberLazyAny) ValueType() ValueType { + return NumberValue +} + +func (any *numberLazyAny) MustBeValid() Any { + return any +} + +func (any *numberLazyAny) LastError() error { + return any.err +} + +func (any *numberLazyAny) ToBool() bool { + return any.ToFloat64() != 0 +} + +func (any *numberLazyAny) ToInt() int { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadInt() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToInt32() int32 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadInt32() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToInt64() int64 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadInt64() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToUint() uint { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadUint() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToUint32() uint32 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadUint32() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToUint64() uint64 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadUint64() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToFloat32() float32 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadFloat32() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToFloat64() float64 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadFloat64() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToString() string { + return *(*string)(unsafe.Pointer(&any.buf)) +} + +func (any *numberLazyAny) WriteTo(stream *Stream) { + stream.Write(any.buf) +} + +func (any *numberLazyAny) GetInterface() interface{} { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + return iter.Read() +} diff --git a/vendor/github.com/json-iterator/go/feature_any_object.go b/vendor/github.com/json-iterator/go/feature_any_object.go new file mode 100644 index 0000000..c44ef5c --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_object.go @@ -0,0 +1,374 @@ +package jsoniter + +import ( + "reflect" + "unsafe" +) + +type objectLazyAny struct { + baseAny + cfg *frozenConfig + buf []byte + err error +} + +func (any *objectLazyAny) ValueType() ValueType { + return ObjectValue +} + +func (any *objectLazyAny) MustBeValid() Any { + return any +} + +func (any *objectLazyAny) LastError() error { + return any.err +} + +func (any *objectLazyAny) ToBool() bool { + return true +} + +func (any *objectLazyAny) ToInt() int { + return 0 +} + +func (any *objectLazyAny) ToInt32() int32 { + return 0 +} + +func (any *objectLazyAny) ToInt64() int64 { + return 0 +} + +func (any *objectLazyAny) ToUint() uint { + return 0 +} + +func (any *objectLazyAny) ToUint32() uint32 { + return 0 +} + +func (any *objectLazyAny) ToUint64() uint64 { + return 0 +} + +func (any *objectLazyAny) ToFloat32() float32 { + return 0 +} + +func (any *objectLazyAny) ToFloat64() float64 { + return 0 +} + +func (any *objectLazyAny) ToString() string { + return *(*string)(unsafe.Pointer(&any.buf)) +} + +func (any *objectLazyAny) ToVal(obj interface{}) { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadVal(obj) +} + +func (any *objectLazyAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case string: + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + valueBytes := locateObjectField(iter, firstPath) + if valueBytes == nil { + return newInvalidAny(path) + } + iter.ResetBytes(valueBytes) + return locatePath(iter, path[1:]) + case int32: + if '*' == firstPath { + mappedAll := map[string]Any{} + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadMapCB(func(iter *Iterator, field string) bool { + mapped := locatePath(iter, path[1:]) + if mapped.ValueType() != InvalidValue { + mappedAll[field] = mapped + } + return true + }) + return wrapMap(mappedAll) + } + return newInvalidAny(path) + default: + return newInvalidAny(path) + } +} + +func (any *objectLazyAny) Keys() []string { + keys := []string{} + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadMapCB(func(iter *Iterator, field string) bool { + iter.Skip() + keys = append(keys, field) + return true + }) + return keys +} + +func (any *objectLazyAny) Size() int { + size := 0 + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadObjectCB(func(iter *Iterator, field string) bool { + iter.Skip() + size++ + return true + }) + return size +} + +func (any *objectLazyAny) WriteTo(stream *Stream) { + stream.Write(any.buf) +} + +func (any *objectLazyAny) GetInterface() interface{} { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + return iter.Read() +} + +type objectAny struct { + baseAny + err error + val reflect.Value +} + +func wrapStruct(val interface{}) *objectAny { + return &objectAny{baseAny{}, nil, reflect.ValueOf(val)} +} + +func (any *objectAny) ValueType() ValueType { + return ObjectValue +} + +func (any *objectAny) MustBeValid() Any { + return any +} + +func (any *objectAny) Parse() *Iterator { + return nil +} + +func (any *objectAny) LastError() error { + return any.err +} + +func (any *objectAny) ToBool() bool { + return any.val.NumField() != 0 +} + +func (any *objectAny) ToInt() int { + return 0 +} + +func (any *objectAny) ToInt32() int32 { + return 0 +} + +func (any *objectAny) ToInt64() int64 { + return 0 +} + +func (any *objectAny) ToUint() uint { + return 0 +} + +func (any *objectAny) ToUint32() uint32 { + return 0 +} + +func (any *objectAny) ToUint64() uint64 { + return 0 +} + +func (any *objectAny) ToFloat32() float32 { + return 0 +} + +func (any *objectAny) ToFloat64() float64 { + return 0 +} + +func (any *objectAny) ToString() string { + str, err := MarshalToString(any.val.Interface()) + any.err = err + return str +} + +func (any *objectAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case string: + field := any.val.FieldByName(firstPath) + if !field.IsValid() { + return newInvalidAny(path) + } + return Wrap(field.Interface()) + case int32: + if '*' == firstPath { + mappedAll := map[string]Any{} + for i := 0; i < any.val.NumField(); i++ { + field := any.val.Field(i) + if field.CanInterface() { + mapped := Wrap(field.Interface()).Get(path[1:]...) + if mapped.ValueType() != InvalidValue { + mappedAll[any.val.Type().Field(i).Name] = mapped + } + } + } + return wrapMap(mappedAll) + } + return newInvalidAny(path) + default: + return newInvalidAny(path) + } +} + +func (any *objectAny) Keys() []string { + keys := make([]string, 0, any.val.NumField()) + for i := 0; i < any.val.NumField(); i++ { + keys = append(keys, any.val.Type().Field(i).Name) + } + return keys +} + +func (any *objectAny) Size() int { + return any.val.NumField() +} + +func (any *objectAny) WriteTo(stream *Stream) { + stream.WriteVal(any.val) +} + +func (any *objectAny) GetInterface() interface{} { + return any.val.Interface() +} + +type mapAny struct { + baseAny + err error + val reflect.Value +} + +func wrapMap(val interface{}) *mapAny { + return &mapAny{baseAny{}, nil, reflect.ValueOf(val)} +} + +func (any *mapAny) ValueType() ValueType { + return ObjectValue +} + +func (any *mapAny) MustBeValid() Any { + return any +} + +func (any *mapAny) Parse() *Iterator { + return nil +} + +func (any *mapAny) LastError() error { + return any.err +} + +func (any *mapAny) ToBool() bool { + return true +} + +func (any *mapAny) ToInt() int { + return 0 +} + +func (any *mapAny) ToInt32() int32 { + return 0 +} + +func (any *mapAny) ToInt64() int64 { + return 0 +} + +func (any *mapAny) ToUint() uint { + return 0 +} + +func (any *mapAny) ToUint32() uint32 { + return 0 +} + +func (any *mapAny) ToUint64() uint64 { + return 0 +} + +func (any *mapAny) ToFloat32() float32 { + return 0 +} + +func (any *mapAny) ToFloat64() float64 { + return 0 +} + +func (any *mapAny) ToString() string { + str, err := MarshalToString(any.val.Interface()) + any.err = err + return str +} + +func (any *mapAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case int32: + if '*' == firstPath { + mappedAll := map[string]Any{} + for _, key := range any.val.MapKeys() { + keyAsStr := key.String() + element := Wrap(any.val.MapIndex(key).Interface()) + mapped := element.Get(path[1:]...) + if mapped.ValueType() != InvalidValue { + mappedAll[keyAsStr] = mapped + } + } + return wrapMap(mappedAll) + } + return newInvalidAny(path) + default: + value := any.val.MapIndex(reflect.ValueOf(firstPath)) + if !value.IsValid() { + return newInvalidAny(path) + } + return Wrap(value.Interface()) + } +} + +func (any *mapAny) Keys() []string { + keys := make([]string, 0, any.val.Len()) + for _, key := range any.val.MapKeys() { + keys = append(keys, key.String()) + } + return keys +} + +func (any *mapAny) Size() int { + return any.val.Len() +} + +func (any *mapAny) WriteTo(stream *Stream) { + stream.WriteVal(any.val) +} + +func (any *mapAny) GetInterface() interface{} { + return any.val.Interface() +} diff --git a/vendor/github.com/json-iterator/go/feature_any_string.go b/vendor/github.com/json-iterator/go/feature_any_string.go new file mode 100644 index 0000000..abf060b --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_string.go @@ -0,0 +1,166 @@ +package jsoniter + +import ( + "fmt" + "strconv" +) + +type stringAny struct { + baseAny + val string +} + +func (any *stringAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + return &invalidAny{baseAny{}, fmt.Errorf("Get %v from simple value", path)} +} + +func (any *stringAny) Parse() *Iterator { + return nil +} + +func (any *stringAny) ValueType() ValueType { + return StringValue +} + +func (any *stringAny) MustBeValid() Any { + return any +} + +func (any *stringAny) LastError() error { + return nil +} + +func (any *stringAny) ToBool() bool { + str := any.ToString() + if str == "0" { + return false + } + for _, c := range str { + switch c { + case ' ', '\n', '\r', '\t': + default: + return true + } + } + return false +} + +func (any *stringAny) ToInt() int { + return int(any.ToInt64()) + +} + +func (any *stringAny) ToInt32() int32 { + return int32(any.ToInt64()) +} + +func (any *stringAny) ToInt64() int64 { + if any.val == "" { + return 0 + } + + flag := 1 + startPos := 0 + endPos := 0 + if any.val[0] == '+' || any.val[0] == '-' { + startPos = 1 + } + + if any.val[0] == '-' { + flag = -1 + } + + for i := startPos; i < len(any.val); i++ { + if any.val[i] >= '0' && any.val[i] <= '9' { + endPos = i + 1 + } else { + break + } + } + parsed, _ := strconv.ParseInt(any.val[startPos:endPos], 10, 64) + return int64(flag) * parsed +} + +func (any *stringAny) ToUint() uint { + return uint(any.ToUint64()) +} + +func (any *stringAny) ToUint32() uint32 { + return uint32(any.ToUint64()) +} + +func (any *stringAny) ToUint64() uint64 { + if any.val == "" { + return 0 + } + + startPos := 0 + endPos := 0 + + if any.val[0] == '-' { + return 0 + } + if any.val[0] == '+' { + startPos = 1 + } + + for i := startPos; i < len(any.val); i++ { + if any.val[i] >= '0' && any.val[i] <= '9' { + endPos = i + 1 + } else { + break + } + } + parsed, _ := strconv.ParseUint(any.val[startPos:endPos], 10, 64) + return parsed +} + +func (any *stringAny) ToFloat32() float32 { + return float32(any.ToFloat64()) +} + +func (any *stringAny) ToFloat64() float64 { + if len(any.val) == 0 { + return 0 + } + + // first char invalid + if any.val[0] != '+' && any.val[0] != '-' && (any.val[0] > '9' || any.val[0] < '0') { + return 0 + } + + // extract valid num expression from string + // eg 123true => 123, -12.12xxa => -12.12 + endPos := 1 + for i := 1; i < len(any.val); i++ { + if any.val[i] == '.' || any.val[i] == 'e' || any.val[i] == 'E' || any.val[i] == '+' || any.val[i] == '-' { + endPos = i + 1 + continue + } + + // end position is the first char which is not digit + if any.val[i] >= '0' && any.val[i] <= '9' { + endPos = i + 1 + } else { + endPos = i + break + } + } + parsed, _ := strconv.ParseFloat(any.val[:endPos], 64) + return parsed +} + +func (any *stringAny) ToString() string { + return any.val +} + +func (any *stringAny) WriteTo(stream *Stream) { + stream.WriteString(any.val) +} + +func (any *stringAny) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_uint32.go b/vendor/github.com/json-iterator/go/feature_any_uint32.go new file mode 100644 index 0000000..656bbd3 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_uint32.go @@ -0,0 +1,74 @@ +package jsoniter + +import ( + "strconv" +) + +type uint32Any struct { + baseAny + val uint32 +} + +func (any *uint32Any) LastError() error { + return nil +} + +func (any *uint32Any) ValueType() ValueType { + return NumberValue +} + +func (any *uint32Any) MustBeValid() Any { + return any +} + +func (any *uint32Any) ToBool() bool { + return any.val != 0 +} + +func (any *uint32Any) ToInt() int { + return int(any.val) +} + +func (any *uint32Any) ToInt32() int32 { + return int32(any.val) +} + +func (any *uint32Any) ToInt64() int64 { + return int64(any.val) +} + +func (any *uint32Any) ToUint() uint { + return uint(any.val) +} + +func (any *uint32Any) ToUint32() uint32 { + return any.val +} + +func (any *uint32Any) ToUint64() uint64 { + return uint64(any.val) +} + +func (any *uint32Any) ToFloat32() float32 { + return float32(any.val) +} + +func (any *uint32Any) ToFloat64() float64 { + return float64(any.val) +} + +func (any *uint32Any) ToString() string { + return strconv.FormatInt(int64(any.val), 10) +} + +func (any *uint32Any) WriteTo(stream *Stream) { + stream.WriteUint32(any.val) +} + +func (any *uint32Any) Parse() *Iterator { + return nil +} + +func (any *uint32Any) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_uint64.go b/vendor/github.com/json-iterator/go/feature_any_uint64.go new file mode 100644 index 0000000..7df2fce --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_uint64.go @@ -0,0 +1,74 @@ +package jsoniter + +import ( + "strconv" +) + +type uint64Any struct { + baseAny + val uint64 +} + +func (any *uint64Any) LastError() error { + return nil +} + +func (any *uint64Any) ValueType() ValueType { + return NumberValue +} + +func (any *uint64Any) MustBeValid() Any { + return any +} + +func (any *uint64Any) ToBool() bool { + return any.val != 0 +} + +func (any *uint64Any) ToInt() int { + return int(any.val) +} + +func (any *uint64Any) ToInt32() int32 { + return int32(any.val) +} + +func (any *uint64Any) ToInt64() int64 { + return int64(any.val) +} + +func (any *uint64Any) ToUint() uint { + return uint(any.val) +} + +func (any *uint64Any) ToUint32() uint32 { + return uint32(any.val) +} + +func (any *uint64Any) ToUint64() uint64 { + return any.val +} + +func (any *uint64Any) ToFloat32() float32 { + return float32(any.val) +} + +func (any *uint64Any) ToFloat64() float64 { + return float64(any.val) +} + +func (any *uint64Any) ToString() string { + return strconv.FormatUint(any.val, 10) +} + +func (any *uint64Any) WriteTo(stream *Stream) { + stream.WriteUint64(any.val) +} + +func (any *uint64Any) Parse() *Iterator { + return nil +} + +func (any *uint64Any) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_config.go b/vendor/github.com/json-iterator/go/feature_config.go new file mode 100644 index 0000000..fc055d5 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_config.go @@ -0,0 +1,312 @@ +package jsoniter + +import ( + "encoding/json" + "errors" + "io" + "reflect" + "sync/atomic" + "unsafe" +) + +// Config customize how the API should behave. +// The API is created from Config by Froze. +type Config struct { + IndentionStep int + MarshalFloatWith6Digits bool + EscapeHTML bool + SortMapKeys bool + UseNumber bool + TagKey string +} + +type frozenConfig struct { + configBeforeFrozen Config + sortMapKeys bool + indentionStep int + decoderCache unsafe.Pointer + encoderCache unsafe.Pointer + extensions []Extension + streamPool chan *Stream + iteratorPool chan *Iterator +} + +// API the public interface of this package. +// Primary Marshal and Unmarshal. +type API interface { + IteratorPool + StreamPool + MarshalToString(v interface{}) (string, error) + Marshal(v interface{}) ([]byte, error) + MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) + UnmarshalFromString(str string, v interface{}) error + Unmarshal(data []byte, v interface{}) error + Get(data []byte, path ...interface{}) Any + NewEncoder(writer io.Writer) *Encoder + NewDecoder(reader io.Reader) *Decoder +} + +// ConfigDefault the default API +var ConfigDefault = Config{ + EscapeHTML: true, +}.Froze() + +// ConfigCompatibleWithStandardLibrary tries to be 100% compatible with standard library behavior +var ConfigCompatibleWithStandardLibrary = Config{ + EscapeHTML: true, + SortMapKeys: true, +}.Froze() + +// ConfigFastest marshals float with only 6 digits precision +var ConfigFastest = Config{ + EscapeHTML: false, + MarshalFloatWith6Digits: true, +}.Froze() + +// Froze forge API from config +func (cfg Config) Froze() API { + // TODO: cache frozen config + frozenConfig := &frozenConfig{ + sortMapKeys: cfg.SortMapKeys, + indentionStep: cfg.IndentionStep, + streamPool: make(chan *Stream, 16), + iteratorPool: make(chan *Iterator, 16), + } + atomic.StorePointer(&frozenConfig.decoderCache, unsafe.Pointer(&map[string]ValDecoder{})) + atomic.StorePointer(&frozenConfig.encoderCache, unsafe.Pointer(&map[string]ValEncoder{})) + if cfg.MarshalFloatWith6Digits { + frozenConfig.marshalFloatWith6Digits() + } + if cfg.EscapeHTML { + frozenConfig.escapeHTML() + } + if cfg.UseNumber { + frozenConfig.useNumber() + } + frozenConfig.configBeforeFrozen = cfg + return frozenConfig +} + +func (cfg *frozenConfig) useNumber() { + cfg.addDecoderToCache(reflect.TypeOf((*interface{})(nil)).Elem(), &funcDecoder{func(ptr unsafe.Pointer, iter *Iterator) { + if iter.WhatIsNext() == NumberValue { + *((*interface{})(ptr)) = json.Number(iter.readNumberAsString()) + } else { + *((*interface{})(ptr)) = iter.Read() + } + }}) +} +func (cfg *frozenConfig) getTagKey() string { + tagKey := cfg.configBeforeFrozen.TagKey + if tagKey == "" { + return "json" + } + return tagKey +} + +func (cfg *frozenConfig) registerExtension(extension Extension) { + cfg.extensions = append(cfg.extensions, extension) +} + +type lossyFloat32Encoder struct { +} + +func (encoder *lossyFloat32Encoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteFloat32Lossy(*((*float32)(ptr))) +} + +func (encoder *lossyFloat32Encoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *lossyFloat32Encoder) IsEmpty(ptr unsafe.Pointer) bool { + return *((*float32)(ptr)) == 0 +} + +type lossyFloat64Encoder struct { +} + +func (encoder *lossyFloat64Encoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteFloat64Lossy(*((*float64)(ptr))) +} + +func (encoder *lossyFloat64Encoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *lossyFloat64Encoder) IsEmpty(ptr unsafe.Pointer) bool { + return *((*float64)(ptr)) == 0 +} + +// EnableLossyFloatMarshalling keeps 10**(-6) precision +// for float variables for better performance. +func (cfg *frozenConfig) marshalFloatWith6Digits() { + // for better performance + cfg.addEncoderToCache(reflect.TypeOf((*float32)(nil)).Elem(), &lossyFloat32Encoder{}) + cfg.addEncoderToCache(reflect.TypeOf((*float64)(nil)).Elem(), &lossyFloat64Encoder{}) +} + +type htmlEscapedStringEncoder struct { +} + +func (encoder *htmlEscapedStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + str := *((*string)(ptr)) + stream.WriteStringWithHTMLEscaped(str) +} + +func (encoder *htmlEscapedStringEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *htmlEscapedStringEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return *((*string)(ptr)) == "" +} + +func (cfg *frozenConfig) escapeHTML() { + cfg.addEncoderToCache(reflect.TypeOf((*string)(nil)).Elem(), &htmlEscapedStringEncoder{}) +} + +func (cfg *frozenConfig) addDecoderToCache(cacheKey reflect.Type, decoder ValDecoder) { + done := false + for !done { + ptr := atomic.LoadPointer(&cfg.decoderCache) + cache := *(*map[reflect.Type]ValDecoder)(ptr) + copied := map[reflect.Type]ValDecoder{} + for k, v := range cache { + copied[k] = v + } + copied[cacheKey] = decoder + done = atomic.CompareAndSwapPointer(&cfg.decoderCache, ptr, unsafe.Pointer(&copied)) + } +} + +func (cfg *frozenConfig) addEncoderToCache(cacheKey reflect.Type, encoder ValEncoder) { + done := false + for !done { + ptr := atomic.LoadPointer(&cfg.encoderCache) + cache := *(*map[reflect.Type]ValEncoder)(ptr) + copied := map[reflect.Type]ValEncoder{} + for k, v := range cache { + copied[k] = v + } + copied[cacheKey] = encoder + done = atomic.CompareAndSwapPointer(&cfg.encoderCache, ptr, unsafe.Pointer(&copied)) + } +} + +func (cfg *frozenConfig) getDecoderFromCache(cacheKey reflect.Type) ValDecoder { + ptr := atomic.LoadPointer(&cfg.decoderCache) + cache := *(*map[reflect.Type]ValDecoder)(ptr) + return cache[cacheKey] +} + +func (cfg *frozenConfig) getEncoderFromCache(cacheKey reflect.Type) ValEncoder { + ptr := atomic.LoadPointer(&cfg.encoderCache) + cache := *(*map[reflect.Type]ValEncoder)(ptr) + return cache[cacheKey] +} + +func (cfg *frozenConfig) cleanDecoders() { + typeDecoders = map[string]ValDecoder{} + fieldDecoders = map[string]ValDecoder{} + *cfg = *(cfg.configBeforeFrozen.Froze().(*frozenConfig)) +} + +func (cfg *frozenConfig) cleanEncoders() { + typeEncoders = map[string]ValEncoder{} + fieldEncoders = map[string]ValEncoder{} + *cfg = *(cfg.configBeforeFrozen.Froze().(*frozenConfig)) +} + +func (cfg *frozenConfig) MarshalToString(v interface{}) (string, error) { + stream := cfg.BorrowStream(nil) + defer cfg.ReturnStream(stream) + stream.WriteVal(v) + if stream.Error != nil { + return "", stream.Error + } + return string(stream.Buffer()), nil +} + +func (cfg *frozenConfig) Marshal(v interface{}) ([]byte, error) { + stream := cfg.BorrowStream(nil) + defer cfg.ReturnStream(stream) + stream.WriteVal(v) + if stream.Error != nil { + return nil, stream.Error + } + result := stream.Buffer() + copied := make([]byte, len(result)) + copy(copied, result) + return copied, nil +} + +func (cfg *frozenConfig) MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) { + if prefix != "" { + panic("prefix is not supported") + } + for _, r := range indent { + if r != ' ' { + panic("indent can only be space") + } + } + newCfg := cfg.configBeforeFrozen + newCfg.IndentionStep = len(indent) + return newCfg.Froze().Marshal(v) +} + +func (cfg *frozenConfig) UnmarshalFromString(str string, v interface{}) error { + data := []byte(str) + data = data[:lastNotSpacePos(data)] + iter := cfg.BorrowIterator(data) + defer cfg.ReturnIterator(iter) + iter.ReadVal(v) + if iter.head == iter.tail { + iter.loadMore() + } + if iter.Error == io.EOF { + return nil + } + if iter.Error == nil { + iter.ReportError("UnmarshalFromString", "there are bytes left after unmarshal") + } + return iter.Error +} + +func (cfg *frozenConfig) Get(data []byte, path ...interface{}) Any { + iter := cfg.BorrowIterator(data) + defer cfg.ReturnIterator(iter) + return locatePath(iter, path) +} + +func (cfg *frozenConfig) Unmarshal(data []byte, v interface{}) error { + data = data[:lastNotSpacePos(data)] + iter := cfg.BorrowIterator(data) + defer cfg.ReturnIterator(iter) + typ := reflect.TypeOf(v) + if typ.Kind() != reflect.Ptr { + // return non-pointer error + return errors.New("the second param must be ptr type") + } + iter.ReadVal(v) + if iter.head == iter.tail { + iter.loadMore() + } + if iter.Error == io.EOF { + return nil + } + if iter.Error == nil { + iter.ReportError("Unmarshal", "there are bytes left after unmarshal") + } + return iter.Error +} + +func (cfg *frozenConfig) NewEncoder(writer io.Writer) *Encoder { + stream := NewStream(cfg, writer, 512) + return &Encoder{stream} +} + +func (cfg *frozenConfig) NewDecoder(reader io.Reader) *Decoder { + iter := Parse(cfg, reader, 512) + return &Decoder{iter} +} diff --git a/vendor/github.com/json-iterator/go/feature_iter.go b/vendor/github.com/json-iterator/go/feature_iter.go new file mode 100644 index 0000000..4357d69 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter.go @@ -0,0 +1,307 @@ +package jsoniter + +import ( + "encoding/json" + "fmt" + "io" +) + +// ValueType the type for JSON element +type ValueType int + +const ( + // InvalidValue invalid JSON element + InvalidValue ValueType = iota + // StringValue JSON element "string" + StringValue + // NumberValue JSON element 100 or 0.10 + NumberValue + // NilValue JSON element null + NilValue + // BoolValue JSON element true or false + BoolValue + // ArrayValue JSON element [] + ArrayValue + // ObjectValue JSON element {} + ObjectValue +) + +var hexDigits []byte +var valueTypes []ValueType + +func init() { + hexDigits = make([]byte, 256) + for i := 0; i < len(hexDigits); i++ { + hexDigits[i] = 255 + } + for i := '0'; i <= '9'; i++ { + hexDigits[i] = byte(i - '0') + } + for i := 'a'; i <= 'f'; i++ { + hexDigits[i] = byte((i - 'a') + 10) + } + for i := 'A'; i <= 'F'; i++ { + hexDigits[i] = byte((i - 'A') + 10) + } + valueTypes = make([]ValueType, 256) + for i := 0; i < len(valueTypes); i++ { + valueTypes[i] = InvalidValue + } + valueTypes['"'] = StringValue + valueTypes['-'] = NumberValue + valueTypes['0'] = NumberValue + valueTypes['1'] = NumberValue + valueTypes['2'] = NumberValue + valueTypes['3'] = NumberValue + valueTypes['4'] = NumberValue + valueTypes['5'] = NumberValue + valueTypes['6'] = NumberValue + valueTypes['7'] = NumberValue + valueTypes['8'] = NumberValue + valueTypes['9'] = NumberValue + valueTypes['t'] = BoolValue + valueTypes['f'] = BoolValue + valueTypes['n'] = NilValue + valueTypes['['] = ArrayValue + valueTypes['{'] = ObjectValue +} + +// Iterator is a io.Reader like object, with JSON specific read functions. +// Error is not returned as return value, but stored as Error member on this iterator instance. +type Iterator struct { + cfg *frozenConfig + reader io.Reader + buf []byte + head int + tail int + captureStartedAt int + captured []byte + Error error +} + +// NewIterator creates an empty Iterator instance +func NewIterator(cfg API) *Iterator { + return &Iterator{ + cfg: cfg.(*frozenConfig), + reader: nil, + buf: nil, + head: 0, + tail: 0, + } +} + +// Parse creates an Iterator instance from io.Reader +func Parse(cfg API, reader io.Reader, bufSize int) *Iterator { + return &Iterator{ + cfg: cfg.(*frozenConfig), + reader: reader, + buf: make([]byte, bufSize), + head: 0, + tail: 0, + } +} + +// ParseBytes creates an Iterator instance from byte array +func ParseBytes(cfg API, input []byte) *Iterator { + return &Iterator{ + cfg: cfg.(*frozenConfig), + reader: nil, + buf: input, + head: 0, + tail: len(input), + } +} + +// ParseString creates an Iterator instance from string +func ParseString(cfg API, input string) *Iterator { + return ParseBytes(cfg, []byte(input)) +} + +// Pool returns a pool can provide more iterator with same configuration +func (iter *Iterator) Pool() IteratorPool { + return iter.cfg +} + +// Reset reuse iterator instance by specifying another reader +func (iter *Iterator) Reset(reader io.Reader) *Iterator { + iter.reader = reader + iter.head = 0 + iter.tail = 0 + return iter +} + +// ResetBytes reuse iterator instance by specifying another byte array as input +func (iter *Iterator) ResetBytes(input []byte) *Iterator { + iter.reader = nil + iter.buf = input + iter.head = 0 + iter.tail = len(input) + return iter +} + +// WhatIsNext gets ValueType of relatively next json element +func (iter *Iterator) WhatIsNext() ValueType { + valueType := valueTypes[iter.nextToken()] + iter.unreadByte() + return valueType +} + +func (iter *Iterator) skipWhitespacesWithoutLoadMore() bool { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case ' ', '\n', '\t', '\r': + continue + } + iter.head = i + return false + } + return true +} + +func (iter *Iterator) isObjectEnd() bool { + c := iter.nextToken() + if c == ',' { + return false + } + if c == '}' { + return true + } + iter.ReportError("isObjectEnd", "object ended prematurely") + return true +} + +func (iter *Iterator) nextToken() byte { + // a variation of skip whitespaces, returning the next non-whitespace token + for { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case ' ', '\n', '\t', '\r': + continue + } + iter.head = i + 1 + return c + } + if !iter.loadMore() { + return 0 + } + } +} + +// ReportError record a error in iterator instance with current position. +func (iter *Iterator) ReportError(operation string, msg string) { + if iter.Error != nil { + if iter.Error != io.EOF { + return + } + } + peekStart := iter.head - 10 + if peekStart < 0 { + peekStart = 0 + } + iter.Error = fmt.Errorf("%s: %s, parsing %v ...%s... at %s", operation, msg, iter.head, + string(iter.buf[peekStart:iter.head]), string(iter.buf[0:iter.tail])) +} + +// CurrentBuffer gets current buffer as string for debugging purpose +func (iter *Iterator) CurrentBuffer() string { + peekStart := iter.head - 10 + if peekStart < 0 { + peekStart = 0 + } + return fmt.Sprintf("parsing %v ...|%s|... at %s", iter.head, + string(iter.buf[peekStart:iter.head]), string(iter.buf[0:iter.tail])) +} + +func (iter *Iterator) readByte() (ret byte) { + if iter.head == iter.tail { + if iter.loadMore() { + ret = iter.buf[iter.head] + iter.head++ + return ret + } + return 0 + } + ret = iter.buf[iter.head] + iter.head++ + return ret +} + +func (iter *Iterator) loadMore() bool { + if iter.reader == nil { + if iter.Error == nil { + iter.head = iter.tail + iter.Error = io.EOF + } + return false + } + if iter.captured != nil { + iter.captured = append(iter.captured, + iter.buf[iter.captureStartedAt:iter.tail]...) + iter.captureStartedAt = 0 + } + for { + n, err := iter.reader.Read(iter.buf) + if n == 0 { + if err != nil { + if iter.Error == nil { + iter.Error = err + } + return false + } + } else { + iter.head = 0 + iter.tail = n + return true + } + } +} + +func (iter *Iterator) unreadByte() { + if iter.Error != nil { + return + } + iter.head-- + return +} + +// Read read the next JSON element as generic interface{}. +func (iter *Iterator) Read() interface{} { + valueType := iter.WhatIsNext() + switch valueType { + case StringValue: + return iter.ReadString() + case NumberValue: + if iter.cfg.configBeforeFrozen.UseNumber { + return json.Number(iter.readNumberAsString()) + } + return iter.ReadFloat64() + case NilValue: + iter.skipFourBytes('n', 'u', 'l', 'l') + return nil + case BoolValue: + return iter.ReadBool() + case ArrayValue: + arr := []interface{}{} + iter.ReadArrayCB(func(iter *Iterator) bool { + var elem interface{} + iter.ReadVal(&elem) + arr = append(arr, elem) + return true + }) + return arr + case ObjectValue: + obj := map[string]interface{}{} + iter.ReadMapCB(func(Iter *Iterator, field string) bool { + var elem interface{} + iter.ReadVal(&elem) + obj[field] = elem + return true + }) + return obj + default: + iter.ReportError("Read", fmt.Sprintf("unexpected value type: %v", valueType)) + return nil + } +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_array.go b/vendor/github.com/json-iterator/go/feature_iter_array.go new file mode 100644 index 0000000..cbc3ec8 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_array.go @@ -0,0 +1,58 @@ +package jsoniter + +// ReadArray read array element, tells if the array has more element to read. +func (iter *Iterator) ReadArray() (ret bool) { + c := iter.nextToken() + switch c { + case 'n': + iter.skipThreeBytes('u', 'l', 'l') + return false // null + case '[': + c = iter.nextToken() + if c != ']' { + iter.unreadByte() + return true + } + return false + case ']': + return false + case ',': + return true + default: + iter.ReportError("ReadArray", "expect [ or , or ] or n, but found: "+string([]byte{c})) + return + } +} + +// ReadArrayCB read array with callback +func (iter *Iterator) ReadArrayCB(callback func(*Iterator) bool) (ret bool) { + c := iter.nextToken() + if c == '[' { + c = iter.nextToken() + if c != ']' { + iter.unreadByte() + if !callback(iter) { + return false + } + c = iter.nextToken() + for c == ',' { + if !callback(iter) { + return false + } + c = iter.nextToken() + } + if c != ']' { + iter.ReportError("ReadArrayCB", "expect ] in the end") + return false + } + return true + } + return true + } + if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return true // null + } + iter.ReportError("ReadArrayCB", "expect [ or n, but found: "+string([]byte{c})) + return false +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_float.go b/vendor/github.com/json-iterator/go/feature_iter_float.go new file mode 100644 index 0000000..86f4599 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_float.go @@ -0,0 +1,341 @@ +package jsoniter + +import ( + "io" + "math/big" + "strconv" + "strings" + "unsafe" +) + +var floatDigits []int8 + +const invalidCharForNumber = int8(-1) +const endOfNumber = int8(-2) +const dotInNumber = int8(-3) + +func init() { + floatDigits = make([]int8, 256) + for i := 0; i < len(floatDigits); i++ { + floatDigits[i] = invalidCharForNumber + } + for i := int8('0'); i <= int8('9'); i++ { + floatDigits[i] = i - int8('0') + } + floatDigits[','] = endOfNumber + floatDigits[']'] = endOfNumber + floatDigits['}'] = endOfNumber + floatDigits[' '] = endOfNumber + floatDigits['\t'] = endOfNumber + floatDigits['\n'] = endOfNumber + floatDigits['.'] = dotInNumber +} + +// ReadBigFloat read big.Float +func (iter *Iterator) ReadBigFloat() (ret *big.Float) { + str := iter.readNumberAsString() + if iter.Error != nil && iter.Error != io.EOF { + return nil + } + prec := 64 + if len(str) > prec { + prec = len(str) + } + val, _, err := big.ParseFloat(str, 10, uint(prec), big.ToZero) + if err != nil { + iter.Error = err + return nil + } + return val +} + +// ReadBigInt read big.Int +func (iter *Iterator) ReadBigInt() (ret *big.Int) { + str := iter.readNumberAsString() + if iter.Error != nil && iter.Error != io.EOF { + return nil + } + ret = big.NewInt(0) + var success bool + ret, success = ret.SetString(str, 10) + if !success { + iter.ReportError("ReadBigInt", "invalid big int") + return nil + } + return ret +} + +//ReadFloat32 read float32 +func (iter *Iterator) ReadFloat32() (ret float32) { + c := iter.nextToken() + if c == '-' { + return -iter.readPositiveFloat32() + } + iter.unreadByte() + return iter.readPositiveFloat32() +} + +func (iter *Iterator) readPositiveFloat32() (ret float32) { + value := uint64(0) + c := byte(' ') + i := iter.head + // first char + if i == iter.tail { + return iter.readFloat32SlowPath() + } + c = iter.buf[i] + i++ + ind := floatDigits[c] + switch ind { + case invalidCharForNumber: + return iter.readFloat32SlowPath() + case endOfNumber: + iter.ReportError("readFloat32", "empty number") + return + case dotInNumber: + iter.ReportError("readFloat32", "leading dot is invalid") + return + case 0: + if i == iter.tail { + return iter.readFloat32SlowPath() + } + c = iter.buf[i] + switch c { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + iter.ReportError("readFloat32", "leading zero is invalid") + return + } + } + value = uint64(ind) + // chars before dot +non_decimal_loop: + for ; i < iter.tail; i++ { + c = iter.buf[i] + ind := floatDigits[c] + switch ind { + case invalidCharForNumber: + return iter.readFloat32SlowPath() + case endOfNumber: + iter.head = i + return float32(value) + case dotInNumber: + break non_decimal_loop + } + if value > uint64SafeToMultiple10 { + return iter.readFloat32SlowPath() + } + value = (value << 3) + (value << 1) + uint64(ind) // value = value * 10 + ind; + } + // chars after dot + if c == '.' { + i++ + decimalPlaces := 0 + if i == iter.tail { + return iter.readFloat32SlowPath() + } + for ; i < iter.tail; i++ { + c = iter.buf[i] + ind := floatDigits[c] + switch ind { + case endOfNumber: + if decimalPlaces > 0 && decimalPlaces < len(pow10) { + iter.head = i + return float32(float64(value) / float64(pow10[decimalPlaces])) + } + // too many decimal places + return iter.readFloat32SlowPath() + case invalidCharForNumber: + fallthrough + case dotInNumber: + return iter.readFloat32SlowPath() + } + decimalPlaces++ + if value > uint64SafeToMultiple10 { + return iter.readFloat32SlowPath() + } + value = (value << 3) + (value << 1) + uint64(ind) + } + } + return iter.readFloat32SlowPath() +} + +func (iter *Iterator) readNumberAsString() (ret string) { + strBuf := [16]byte{} + str := strBuf[0:0] +load_loop: + for { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case '+', '-', '.', 'e', 'E', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + str = append(str, c) + continue + default: + iter.head = i + break load_loop + } + } + if !iter.loadMore() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + return + } + if len(str) == 0 { + iter.ReportError("readNumberAsString", "invalid number") + } + return *(*string)(unsafe.Pointer(&str)) +} + +func (iter *Iterator) readFloat32SlowPath() (ret float32) { + str := iter.readNumberAsString() + if iter.Error != nil && iter.Error != io.EOF { + return + } + errMsg := validateFloat(str) + if errMsg != "" { + iter.ReportError("readFloat32SlowPath", errMsg) + return + } + val, err := strconv.ParseFloat(str, 32) + if err != nil { + iter.Error = err + return + } + return float32(val) +} + +// ReadFloat64 read float64 +func (iter *Iterator) ReadFloat64() (ret float64) { + c := iter.nextToken() + if c == '-' { + return -iter.readPositiveFloat64() + } + iter.unreadByte() + return iter.readPositiveFloat64() +} + +func (iter *Iterator) readPositiveFloat64() (ret float64) { + value := uint64(0) + c := byte(' ') + i := iter.head + // first char + if i == iter.tail { + return iter.readFloat64SlowPath() + } + c = iter.buf[i] + i++ + ind := floatDigits[c] + switch ind { + case invalidCharForNumber: + return iter.readFloat64SlowPath() + case endOfNumber: + iter.ReportError("readFloat64", "empty number") + return + case dotInNumber: + iter.ReportError("readFloat64", "leading dot is invalid") + return + case 0: + if i == iter.tail { + return iter.readFloat64SlowPath() + } + c = iter.buf[i] + switch c { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + iter.ReportError("readFloat64", "leading zero is invalid") + return + } + } + value = uint64(ind) + // chars before dot +non_decimal_loop: + for ; i < iter.tail; i++ { + c = iter.buf[i] + ind := floatDigits[c] + switch ind { + case invalidCharForNumber: + return iter.readFloat64SlowPath() + case endOfNumber: + iter.head = i + return float64(value) + case dotInNumber: + break non_decimal_loop + } + if value > uint64SafeToMultiple10 { + return iter.readFloat64SlowPath() + } + value = (value << 3) + (value << 1) + uint64(ind) // value = value * 10 + ind; + } + // chars after dot + if c == '.' { + i++ + decimalPlaces := 0 + if i == iter.tail { + return iter.readFloat64SlowPath() + } + for ; i < iter.tail; i++ { + c = iter.buf[i] + ind := floatDigits[c] + switch ind { + case endOfNumber: + if decimalPlaces > 0 && decimalPlaces < len(pow10) { + iter.head = i + return float64(value) / float64(pow10[decimalPlaces]) + } + // too many decimal places + return iter.readFloat64SlowPath() + case invalidCharForNumber: + fallthrough + case dotInNumber: + return iter.readFloat64SlowPath() + } + decimalPlaces++ + if value > uint64SafeToMultiple10 { + return iter.readFloat64SlowPath() + } + value = (value << 3) + (value << 1) + uint64(ind) + } + } + return iter.readFloat64SlowPath() +} + +func (iter *Iterator) readFloat64SlowPath() (ret float64) { + str := iter.readNumberAsString() + if iter.Error != nil && iter.Error != io.EOF { + return + } + errMsg := validateFloat(str) + if errMsg != "" { + iter.ReportError("readFloat64SlowPath", errMsg) + return + } + val, err := strconv.ParseFloat(str, 64) + if err != nil { + iter.Error = err + return + } + return val +} + +func validateFloat(str string) string { + // strconv.ParseFloat is not validating `1.` or `1.e1` + if len(str) == 0 { + return "empty number" + } + if str[0] == '-' { + return "-- is not valid" + } + dotPos := strings.IndexByte(str, '.') + if dotPos != -1 { + if dotPos == len(str)-1 { + return "dot can not be last character" + } + switch str[dotPos+1] { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + default: + return "missing digit after dot" + } + } + return "" +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_int.go b/vendor/github.com/json-iterator/go/feature_iter_int.go new file mode 100644 index 0000000..886879e --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_int.go @@ -0,0 +1,258 @@ +package jsoniter + +import ( + "math" + "strconv" +) + +var intDigits []int8 + +const uint32SafeToMultiply10 = uint32(0xffffffff)/10 - 1 +const uint64SafeToMultiple10 = uint64(0xffffffffffffffff)/10 - 1 + +func init() { + intDigits = make([]int8, 256) + for i := 0; i < len(intDigits); i++ { + intDigits[i] = invalidCharForNumber + } + for i := int8('0'); i <= int8('9'); i++ { + intDigits[i] = i - int8('0') + } +} + +// ReadUint read uint +func (iter *Iterator) ReadUint() uint { + return uint(iter.ReadUint64()) +} + +// ReadInt read int +func (iter *Iterator) ReadInt() int { + return int(iter.ReadInt64()) +} + +// ReadInt8 read int8 +func (iter *Iterator) ReadInt8() (ret int8) { + c := iter.nextToken() + if c == '-' { + val := iter.readUint32(iter.readByte()) + if val > math.MaxInt8+1 { + iter.ReportError("ReadInt8", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return -int8(val) + } + val := iter.readUint32(c) + if val > math.MaxInt8 { + iter.ReportError("ReadInt8", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return int8(val) +} + +// ReadUint8 read uint8 +func (iter *Iterator) ReadUint8() (ret uint8) { + val := iter.readUint32(iter.nextToken()) + if val > math.MaxUint8 { + iter.ReportError("ReadUint8", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return uint8(val) +} + +// ReadInt16 read int16 +func (iter *Iterator) ReadInt16() (ret int16) { + c := iter.nextToken() + if c == '-' { + val := iter.readUint32(iter.readByte()) + if val > math.MaxInt16+1 { + iter.ReportError("ReadInt16", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return -int16(val) + } + val := iter.readUint32(c) + if val > math.MaxInt16 { + iter.ReportError("ReadInt16", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return int16(val) +} + +// ReadUint16 read uint16 +func (iter *Iterator) ReadUint16() (ret uint16) { + val := iter.readUint32(iter.nextToken()) + if val > math.MaxUint16 { + iter.ReportError("ReadUint16", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return uint16(val) +} + +// ReadInt32 read int32 +func (iter *Iterator) ReadInt32() (ret int32) { + c := iter.nextToken() + if c == '-' { + val := iter.readUint32(iter.readByte()) + if val > math.MaxInt32+1 { + iter.ReportError("ReadInt32", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return -int32(val) + } + val := iter.readUint32(c) + if val > math.MaxInt32 { + iter.ReportError("ReadInt32", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return int32(val) +} + +// ReadUint32 read uint32 +func (iter *Iterator) ReadUint32() (ret uint32) { + return iter.readUint32(iter.nextToken()) +} + +func (iter *Iterator) readUint32(c byte) (ret uint32) { + ind := intDigits[c] + if ind == 0 { + return 0 // single zero + } + if ind == invalidCharForNumber { + iter.ReportError("readUint32", "unexpected character: "+string([]byte{byte(ind)})) + return + } + value := uint32(ind) + if iter.tail-iter.head > 10 { + i := iter.head + ind2 := intDigits[iter.buf[i]] + if ind2 == invalidCharForNumber { + iter.head = i + return value + } + i++ + ind3 := intDigits[iter.buf[i]] + if ind3 == invalidCharForNumber { + iter.head = i + return value*10 + uint32(ind2) + } + //iter.head = i + 1 + //value = value * 100 + uint32(ind2) * 10 + uint32(ind3) + i++ + ind4 := intDigits[iter.buf[i]] + if ind4 == invalidCharForNumber { + iter.head = i + return value*100 + uint32(ind2)*10 + uint32(ind3) + } + i++ + ind5 := intDigits[iter.buf[i]] + if ind5 == invalidCharForNumber { + iter.head = i + return value*1000 + uint32(ind2)*100 + uint32(ind3)*10 + uint32(ind4) + } + i++ + ind6 := intDigits[iter.buf[i]] + if ind6 == invalidCharForNumber { + iter.head = i + return value*10000 + uint32(ind2)*1000 + uint32(ind3)*100 + uint32(ind4)*10 + uint32(ind5) + } + i++ + ind7 := intDigits[iter.buf[i]] + if ind7 == invalidCharForNumber { + iter.head = i + return value*100000 + uint32(ind2)*10000 + uint32(ind3)*1000 + uint32(ind4)*100 + uint32(ind5)*10 + uint32(ind6) + } + i++ + ind8 := intDigits[iter.buf[i]] + if ind8 == invalidCharForNumber { + iter.head = i + return value*1000000 + uint32(ind2)*100000 + uint32(ind3)*10000 + uint32(ind4)*1000 + uint32(ind5)*100 + uint32(ind6)*10 + uint32(ind7) + } + i++ + ind9 := intDigits[iter.buf[i]] + value = value*10000000 + uint32(ind2)*1000000 + uint32(ind3)*100000 + uint32(ind4)*10000 + uint32(ind5)*1000 + uint32(ind6)*100 + uint32(ind7)*10 + uint32(ind8) + iter.head = i + if ind9 == invalidCharForNumber { + return value + } + } + for { + for i := iter.head; i < iter.tail; i++ { + ind = intDigits[iter.buf[i]] + if ind == invalidCharForNumber { + iter.head = i + return value + } + if value > uint32SafeToMultiply10 { + value2 := (value << 3) + (value << 1) + uint32(ind) + if value2 < value { + iter.ReportError("readUint32", "overflow") + return + } + value = value2 + continue + } + value = (value << 3) + (value << 1) + uint32(ind) + } + if !iter.loadMore() { + return value + } + } +} + +// ReadInt64 read int64 +func (iter *Iterator) ReadInt64() (ret int64) { + c := iter.nextToken() + if c == '-' { + val := iter.readUint64(iter.readByte()) + if val > math.MaxInt64+1 { + iter.ReportError("ReadInt64", "overflow: "+strconv.FormatUint(uint64(val), 10)) + return + } + return -int64(val) + } + val := iter.readUint64(c) + if val > math.MaxInt64 { + iter.ReportError("ReadInt64", "overflow: "+strconv.FormatUint(uint64(val), 10)) + return + } + return int64(val) +} + +// ReadUint64 read uint64 +func (iter *Iterator) ReadUint64() uint64 { + return iter.readUint64(iter.nextToken()) +} + +func (iter *Iterator) readUint64(c byte) (ret uint64) { + ind := intDigits[c] + if ind == 0 { + return 0 // single zero + } + if ind == invalidCharForNumber { + iter.ReportError("readUint64", "unexpected character: "+string([]byte{byte(ind)})) + return + } + value := uint64(ind) + for { + for i := iter.head; i < iter.tail; i++ { + ind = intDigits[iter.buf[i]] + if ind == invalidCharForNumber { + iter.head = i + return value + } + if value > uint64SafeToMultiple10 { + value2 := (value << 3) + (value << 1) + uint64(ind) + if value2 < value { + iter.ReportError("readUint64", "overflow") + return + } + value = value2 + continue + } + value = (value << 3) + (value << 1) + uint64(ind) + } + if !iter.loadMore() { + return value + } + } +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_object.go b/vendor/github.com/json-iterator/go/feature_iter_object.go new file mode 100644 index 0000000..3bdb557 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_object.go @@ -0,0 +1,212 @@ +package jsoniter + +import ( + "fmt" + "unicode" + "unsafe" +) + +// ReadObject read one field from object. +// If object ended, returns empty string. +// Otherwise, returns the field name. +func (iter *Iterator) ReadObject() (ret string) { + c := iter.nextToken() + switch c { + case 'n': + iter.skipThreeBytes('u', 'l', 'l') + return "" // null + case '{': + c = iter.nextToken() + if c == '"' { + iter.unreadByte() + return string(iter.readObjectFieldAsBytes()) + } + if c == '}' { + return "" // end of object + } + iter.ReportError("ReadObject", `expect " after {`) + return + case ',': + return string(iter.readObjectFieldAsBytes()) + case '}': + return "" // end of object + default: + iter.ReportError("ReadObject", fmt.Sprintf(`expect { or , or } or n, but found %s`, string([]byte{c}))) + return + } +} + +func (iter *Iterator) readFieldHash() int32 { + hash := int64(0x811c9dc5) + c := iter.nextToken() + if c == '"' { + for { + for i := iter.head; i < iter.tail; i++ { + // require ascii string and no escape + b := iter.buf[i] + if 'A' <= b && b <= 'Z' { + b += 'a' - 'A' + } + if b == '"' { + iter.head = i + 1 + c = iter.nextToken() + if c != ':' { + iter.ReportError("readFieldHash", `expect :, but found `+string([]byte{c})) + } + return int32(hash) + } + hash ^= int64(b) + hash *= 0x1000193 + } + if !iter.loadMore() { + iter.ReportError("readFieldHash", `incomplete field name`) + return 0 + } + } + } + iter.ReportError("readFieldHash", `expect ", but found `+string([]byte{c})) + return 0 +} + +func calcHash(str string) int32 { + hash := int64(0x811c9dc5) + for _, b := range str { + hash ^= int64(unicode.ToLower(b)) + hash *= 0x1000193 + } + return int32(hash) +} + +// ReadObjectCB read object with callback, the key is ascii only and field name not copied +func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool { + c := iter.nextToken() + if c == '{' { + c = iter.nextToken() + if c == '"' { + iter.unreadByte() + field := iter.readObjectFieldAsBytes() + if !callback(iter, *(*string)(unsafe.Pointer(&field))) { + return false + } + c = iter.nextToken() + for c == ',' { + field = iter.readObjectFieldAsBytes() + if !callback(iter, *(*string)(unsafe.Pointer(&field))) { + return false + } + c = iter.nextToken() + } + if c != '}' { + iter.ReportError("ReadObjectCB", `object not ended with }`) + return false + } + return true + } + if c == '}' { + return true + } + iter.ReportError("ReadObjectCB", `expect " after }`) + return false + } + if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return true // null + } + iter.ReportError("ReadObjectCB", `expect { or n`) + return false +} + +// ReadMapCB read map with callback, the key can be any string +func (iter *Iterator) ReadMapCB(callback func(*Iterator, string) bool) bool { + c := iter.nextToken() + if c == '{' { + c = iter.nextToken() + if c == '"' { + iter.unreadByte() + field := iter.ReadString() + if iter.nextToken() != ':' { + iter.ReportError("ReadMapCB", "expect : after object field") + return false + } + if !callback(iter, field) { + return false + } + c = iter.nextToken() + for c == ',' { + field = iter.ReadString() + if iter.nextToken() != ':' { + iter.ReportError("ReadMapCB", "expect : after object field") + return false + } + if !callback(iter, field) { + return false + } + c = iter.nextToken() + } + if c != '}' { + iter.ReportError("ReadMapCB", `object not ended with }`) + return false + } + return true + } + if c == '}' { + return true + } + iter.ReportError("ReadMapCB", `expect " after }`) + return false + } + if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return true // null + } + iter.ReportError("ReadMapCB", `expect { or n`) + return false +} + +func (iter *Iterator) readObjectStart() bool { + c := iter.nextToken() + if c == '{' { + c = iter.nextToken() + if c == '}' { + return false + } + iter.unreadByte() + return true + } else if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return false + } + iter.ReportError("readObjectStart", "expect { or n") + return false +} + +func (iter *Iterator) readObjectFieldAsBytes() (ret []byte) { + str := iter.ReadStringAsSlice() + if iter.skipWhitespacesWithoutLoadMore() { + if ret == nil { + ret = make([]byte, len(str)) + copy(ret, str) + } + if !iter.loadMore() { + return + } + } + if iter.buf[iter.head] != ':' { + iter.ReportError("readObjectFieldAsBytes", "expect : after object field") + return + } + iter.head++ + if iter.skipWhitespacesWithoutLoadMore() { + if ret == nil { + ret = make([]byte, len(str)) + copy(ret, str) + } + if !iter.loadMore() { + return + } + } + if ret == nil { + return str + } + return ret +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_skip.go b/vendor/github.com/json-iterator/go/feature_iter_skip.go new file mode 100644 index 0000000..b008d98 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_skip.go @@ -0,0 +1,127 @@ +package jsoniter + +import "fmt" + +// ReadNil reads a json object as nil and +// returns whether it's a nil or not +func (iter *Iterator) ReadNil() (ret bool) { + c := iter.nextToken() + if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') // null + return true + } + iter.unreadByte() + return false +} + +// ReadBool reads a json object as BoolValue +func (iter *Iterator) ReadBool() (ret bool) { + c := iter.nextToken() + if c == 't' { + iter.skipThreeBytes('r', 'u', 'e') + return true + } + if c == 'f' { + iter.skipFourBytes('a', 'l', 's', 'e') + return false + } + iter.ReportError("ReadBool", "expect t or f") + return +} + +// SkipAndReturnBytes skip next JSON element, and return its content as []byte. +// The []byte can be kept, it is a copy of data. +func (iter *Iterator) SkipAndReturnBytes() []byte { + iter.startCapture(iter.head) + iter.Skip() + return iter.stopCapture() +} + +type captureBuffer struct { + startedAt int + captured []byte +} + +func (iter *Iterator) startCapture(captureStartedAt int) { + if iter.captured != nil { + panic("already in capture mode") + } + iter.captureStartedAt = captureStartedAt + iter.captured = make([]byte, 0, 32) +} + +func (iter *Iterator) stopCapture() []byte { + if iter.captured == nil { + panic("not in capture mode") + } + captured := iter.captured + remaining := iter.buf[iter.captureStartedAt:iter.head] + iter.captureStartedAt = -1 + iter.captured = nil + if len(captured) == 0 { + return remaining + } + captured = append(captured, remaining...) + return captured +} + +// Skip skips a json object and positions to relatively the next json object +func (iter *Iterator) Skip() { + c := iter.nextToken() + switch c { + case '"': + iter.skipString() + case 'n': + iter.skipThreeBytes('u', 'l', 'l') // null + case 't': + iter.skipThreeBytes('r', 'u', 'e') // true + case 'f': + iter.skipFourBytes('a', 'l', 's', 'e') // false + case '0': + iter.unreadByte() + iter.ReadFloat32() + case '-', '1', '2', '3', '4', '5', '6', '7', '8', '9': + iter.skipNumber() + case '[': + iter.skipArray() + case '{': + iter.skipObject() + default: + iter.ReportError("Skip", fmt.Sprintf("do not know how to skip: %v", c)) + return + } +} + +func (iter *Iterator) skipFourBytes(b1, b2, b3, b4 byte) { + if iter.readByte() != b1 { + iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4}))) + return + } + if iter.readByte() != b2 { + iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4}))) + return + } + if iter.readByte() != b3 { + iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4}))) + return + } + if iter.readByte() != b4 { + iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4}))) + return + } +} + +func (iter *Iterator) skipThreeBytes(b1, b2, b3 byte) { + if iter.readByte() != b1 { + iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3}))) + return + } + if iter.readByte() != b2 { + iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3}))) + return + } + if iter.readByte() != b3 { + iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3}))) + return + } +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_skip_sloppy.go b/vendor/github.com/json-iterator/go/feature_iter_skip_sloppy.go new file mode 100644 index 0000000..047d58a --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_skip_sloppy.go @@ -0,0 +1,144 @@ +//+build jsoniter-sloppy + +package jsoniter + +// sloppy but faster implementation, do not validate the input json + +func (iter *Iterator) skipNumber() { + for { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case ' ', '\n', '\r', '\t', ',', '}', ']': + iter.head = i + return + } + } + if !iter.loadMore() { + return + } + } +} + +func (iter *Iterator) skipArray() { + level := 1 + for { + for i := iter.head; i < iter.tail; i++ { + switch iter.buf[i] { + case '"': // If inside string, skip it + iter.head = i + 1 + iter.skipString() + i = iter.head - 1 // it will be i++ soon + case '[': // If open symbol, increase level + level++ + case ']': // If close symbol, increase level + level-- + + // If we have returned to the original level, we're done + if level == 0 { + iter.head = i + 1 + return + } + } + } + if !iter.loadMore() { + iter.ReportError("skipObject", "incomplete array") + return + } + } +} + +func (iter *Iterator) skipObject() { + level := 1 + for { + for i := iter.head; i < iter.tail; i++ { + switch iter.buf[i] { + case '"': // If inside string, skip it + iter.head = i + 1 + iter.skipString() + i = iter.head - 1 // it will be i++ soon + case '{': // If open symbol, increase level + level++ + case '}': // If close symbol, increase level + level-- + + // If we have returned to the original level, we're done + if level == 0 { + iter.head = i + 1 + return + } + } + } + if !iter.loadMore() { + iter.ReportError("skipObject", "incomplete object") + return + } + } +} + +func (iter *Iterator) skipString() { + for { + end, escaped := iter.findStringEnd() + if end == -1 { + if !iter.loadMore() { + iter.ReportError("skipString", "incomplete string") + return + } + if escaped { + iter.head = 1 // skip the first char as last char read is \ + } + } else { + iter.head = end + return + } + } +} + +// adapted from: https://github.com/buger/jsonparser/blob/master/parser.go +// Tries to find the end of string +// Support if string contains escaped quote symbols. +func (iter *Iterator) findStringEnd() (int, bool) { + escaped := false + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + if c == '"' { + if !escaped { + return i + 1, false + } + j := i - 1 + for { + if j < iter.head || iter.buf[j] != '\\' { + // even number of backslashes + // either end of buffer, or " found + return i + 1, true + } + j-- + if j < iter.head || iter.buf[j] != '\\' { + // odd number of backslashes + // it is \" or \\\" + break + } + j-- + } + } else if c == '\\' { + escaped = true + } + } + j := iter.tail - 1 + for { + if j < iter.head || iter.buf[j] != '\\' { + // even number of backslashes + // either end of buffer, or " found + return -1, false // do not end with \ + } + j-- + if j < iter.head || iter.buf[j] != '\\' { + // odd number of backslashes + // it is \" or \\\" + break + } + j-- + + } + return -1, true // end with \ +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_skip_strict.go b/vendor/github.com/json-iterator/go/feature_iter_skip_strict.go new file mode 100644 index 0000000..d267638 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_skip_strict.go @@ -0,0 +1,89 @@ +//+build !jsoniter-sloppy + +package jsoniter + +import "fmt" + +func (iter *Iterator) skipNumber() { + if !iter.trySkipNumber() { + iter.unreadByte() + iter.ReadFloat32() + } +} + +func (iter *Iterator) trySkipNumber() bool { + dotFound := false + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + case '.': + if dotFound { + iter.ReportError("validateNumber", `more than one dot found in number`) + return true // already failed + } + if i+1 == iter.tail { + return false + } + c = iter.buf[i+1] + switch c { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + default: + iter.ReportError("validateNumber", `missing digit after dot`) + return true // already failed + } + dotFound = true + default: + switch c { + case ',', ']', '}', ' ', '\t', '\n', '\r': + if iter.head == i { + return false // if - without following digits + } + iter.head = i + return true // must be valid + } + return false // may be invalid + } + } + return false +} + +func (iter *Iterator) skipString() { + if !iter.trySkipString() { + iter.unreadByte() + iter.ReadString() + } +} + +func (iter *Iterator) trySkipString() bool { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + if c == '"' { + iter.head = i + 1 + return true // valid + } else if c == '\\' { + return false + } else if c < ' ' { + iter.ReportError("ReadString", + fmt.Sprintf(`invalid control character found: %d`, c)) + return true // already failed + } + } + return false +} + +func (iter *Iterator) skipObject() { + iter.unreadByte() + iter.ReadObjectCB(func(iter *Iterator, field string) bool { + iter.Skip() + return true + }) +} + +func (iter *Iterator) skipArray() { + iter.unreadByte() + iter.ReadArrayCB(func(iter *Iterator) bool { + iter.Skip() + return true + }) +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_string.go b/vendor/github.com/json-iterator/go/feature_iter_string.go new file mode 100644 index 0000000..b764600 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_string.go @@ -0,0 +1,215 @@ +package jsoniter + +import ( + "fmt" + "unicode/utf16" +) + +// ReadString read string from iterator +func (iter *Iterator) ReadString() (ret string) { + c := iter.nextToken() + if c == '"' { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + if c == '"' { + ret = string(iter.buf[iter.head:i]) + iter.head = i + 1 + return ret + } else if c == '\\' { + break + } else if c < ' ' { + iter.ReportError("ReadString", + fmt.Sprintf(`invalid control character found: %d`, c)) + return + } + } + return iter.readStringSlowPath() + } else if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return "" + } + iter.ReportError("ReadString", `expects " or n`) + return +} + +func (iter *Iterator) readStringSlowPath() (ret string) { + var str []byte + var c byte + for iter.Error == nil { + c = iter.readByte() + if c == '"' { + return string(str) + } + if c == '\\' { + c = iter.readByte() + str = iter.readEscapedChar(c, str) + } else { + str = append(str, c) + } + } + iter.ReportError("ReadString", "unexpected end of input") + return +} + +func (iter *Iterator) readEscapedChar(c byte, str []byte) []byte { + switch c { + case 'u': + r := iter.readU4() + if utf16.IsSurrogate(r) { + c = iter.readByte() + if iter.Error != nil { + return nil + } + if c != '\\' { + iter.unreadByte() + str = appendRune(str, r) + return str + } + c = iter.readByte() + if iter.Error != nil { + return nil + } + if c != 'u' { + str = appendRune(str, r) + return iter.readEscapedChar(c, str) + } + r2 := iter.readU4() + if iter.Error != nil { + return nil + } + combined := utf16.DecodeRune(r, r2) + if combined == '\uFFFD' { + str = appendRune(str, r) + str = appendRune(str, r2) + } else { + str = appendRune(str, combined) + } + } else { + str = appendRune(str, r) + } + case '"': + str = append(str, '"') + case '\\': + str = append(str, '\\') + case '/': + str = append(str, '/') + case 'b': + str = append(str, '\b') + case 'f': + str = append(str, '\f') + case 'n': + str = append(str, '\n') + case 'r': + str = append(str, '\r') + case 't': + str = append(str, '\t') + default: + iter.ReportError("ReadString", + `invalid escape char after \`) + return nil + } + return str +} + +// ReadStringAsSlice read string from iterator without copying into string form. +// The []byte can not be kept, as it will change after next iterator call. +func (iter *Iterator) ReadStringAsSlice() (ret []byte) { + c := iter.nextToken() + if c == '"' { + for i := iter.head; i < iter.tail; i++ { + // require ascii string and no escape + // for: field name, base64, number + if iter.buf[i] == '"' { + // fast path: reuse the underlying buffer + ret = iter.buf[iter.head:i] + iter.head = i + 1 + return ret + } + } + readLen := iter.tail - iter.head + copied := make([]byte, readLen, readLen*2) + copy(copied, iter.buf[iter.head:iter.tail]) + iter.head = iter.tail + for iter.Error == nil { + c := iter.readByte() + if c == '"' { + return copied + } + copied = append(copied, c) + } + return copied + } + iter.ReportError("ReadString", `expects " or n`) + return +} + +func (iter *Iterator) readU4() (ret rune) { + for i := 0; i < 4; i++ { + c := iter.readByte() + if iter.Error != nil { + return + } + if c >= '0' && c <= '9' { + ret = ret*16 + rune(c-'0') + } else if c >= 'a' && c <= 'f' { + ret = ret*16 + rune(c-'a'+10) + } else if c >= 'A' && c <= 'F' { + ret = ret*16 + rune(c-'A'+10) + } else { + iter.ReportError("readU4", "expects 0~9 or a~f") + return + } + } + return ret +} + +const ( + t1 = 0x00 // 0000 0000 + tx = 0x80 // 1000 0000 + t2 = 0xC0 // 1100 0000 + t3 = 0xE0 // 1110 0000 + t4 = 0xF0 // 1111 0000 + t5 = 0xF8 // 1111 1000 + + maskx = 0x3F // 0011 1111 + mask2 = 0x1F // 0001 1111 + mask3 = 0x0F // 0000 1111 + mask4 = 0x07 // 0000 0111 + + rune1Max = 1<<7 - 1 + rune2Max = 1<<11 - 1 + rune3Max = 1<<16 - 1 + + surrogateMin = 0xD800 + surrogateMax = 0xDFFF + + maxRune = '\U0010FFFF' // Maximum valid Unicode code point. + runeError = '\uFFFD' // the "error" Rune or "Unicode replacement character" +) + +func appendRune(p []byte, r rune) []byte { + // Negative values are erroneous. Making it unsigned addresses the problem. + switch i := uint32(r); { + case i <= rune1Max: + p = append(p, byte(r)) + return p + case i <= rune2Max: + p = append(p, t2|byte(r>>6)) + p = append(p, tx|byte(r)&maskx) + return p + case i > maxRune, surrogateMin <= i && i <= surrogateMax: + r = runeError + fallthrough + case i <= rune3Max: + p = append(p, t3|byte(r>>12)) + p = append(p, tx|byte(r>>6)&maskx) + p = append(p, tx|byte(r)&maskx) + return p + default: + p = append(p, t4|byte(r>>18)) + p = append(p, tx|byte(r>>12)&maskx) + p = append(p, tx|byte(r>>6)&maskx) + p = append(p, tx|byte(r)&maskx) + return p + } +} diff --git a/vendor/github.com/json-iterator/go/feature_json_number.go b/vendor/github.com/json-iterator/go/feature_json_number.go new file mode 100644 index 0000000..0439f67 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_json_number.go @@ -0,0 +1,15 @@ +package jsoniter + +import "encoding/json" + +type Number string + +func CastJsonNumber(val interface{}) (string, bool) { + switch typedVal := val.(type) { + case json.Number: + return string(typedVal), true + case Number: + return string(typedVal), true + } + return "", false +} diff --git a/vendor/github.com/json-iterator/go/feature_pool.go b/vendor/github.com/json-iterator/go/feature_pool.go new file mode 100644 index 0000000..73962bc --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_pool.go @@ -0,0 +1,57 @@ +package jsoniter + +import ( + "io" +) + +// IteratorPool a thread safe pool of iterators with same configuration +type IteratorPool interface { + BorrowIterator(data []byte) *Iterator + ReturnIterator(iter *Iterator) +} + +// StreamPool a thread safe pool of streams with same configuration +type StreamPool interface { + BorrowStream(writer io.Writer) *Stream + ReturnStream(stream *Stream) +} + +func (cfg *frozenConfig) BorrowStream(writer io.Writer) *Stream { + select { + case stream := <-cfg.streamPool: + stream.Reset(writer) + return stream + default: + return NewStream(cfg, writer, 512) + } +} + +func (cfg *frozenConfig) ReturnStream(stream *Stream) { + stream.Error = nil + select { + case cfg.streamPool <- stream: + return + default: + return + } +} + +func (cfg *frozenConfig) BorrowIterator(data []byte) *Iterator { + select { + case iter := <-cfg.iteratorPool: + iter.ResetBytes(data) + return iter + default: + return ParseBytes(cfg, data) + } +} + +func (cfg *frozenConfig) ReturnIterator(iter *Iterator) { + iter.Error = nil + select { + case cfg.iteratorPool <- iter: + return + default: + return + } +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect.go b/vendor/github.com/json-iterator/go/feature_reflect.go new file mode 100644 index 0000000..05d91b4 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect.go @@ -0,0 +1,691 @@ +package jsoniter + +import ( + "encoding" + "encoding/json" + "fmt" + "reflect" + "time" + "unsafe" +) + +// ValDecoder is an internal type registered to cache as needed. +// Don't confuse jsoniter.ValDecoder with json.Decoder. +// For json.Decoder's adapter, refer to jsoniter.AdapterDecoder(todo link). +// +// Reflection on type to create decoders, which is then cached +// Reflection on value is avoided as we can, as the reflect.Value itself will allocate, with following exceptions +// 1. create instance of new value, for example *int will need a int to be allocated +// 2. append to slice, if the existing cap is not enough, allocate will be done using Reflect.New +// 3. assignment to map, both key and value will be reflect.Value +// For a simple struct binding, it will be reflect.Value free and allocation free +type ValDecoder interface { + Decode(ptr unsafe.Pointer, iter *Iterator) +} + +// ValEncoder is an internal type registered to cache as needed. +// Don't confuse jsoniter.ValEncoder with json.Encoder. +// For json.Encoder's adapter, refer to jsoniter.AdapterEncoder(todo godoc link). +type ValEncoder interface { + IsEmpty(ptr unsafe.Pointer) bool + Encode(ptr unsafe.Pointer, stream *Stream) + EncodeInterface(val interface{}, stream *Stream) +} + +type checkIsEmpty interface { + IsEmpty(ptr unsafe.Pointer) bool +} + +// WriteToStream the default implementation for TypeEncoder method EncodeInterface +func WriteToStream(val interface{}, stream *Stream, encoder ValEncoder) { + e := (*emptyInterface)(unsafe.Pointer(&val)) + if e.word == nil { + stream.WriteNil() + return + } + if reflect.TypeOf(val).Kind() == reflect.Ptr { + encoder.Encode(unsafe.Pointer(&e.word), stream) + } else { + encoder.Encode(e.word, stream) + } +} + +var jsonNumberType reflect.Type +var jsoniterNumberType reflect.Type +var jsonRawMessageType reflect.Type +var jsoniterRawMessageType reflect.Type +var anyType reflect.Type +var marshalerType reflect.Type +var unmarshalerType reflect.Type +var textMarshalerType reflect.Type +var textUnmarshalerType reflect.Type + +func init() { + jsonNumberType = reflect.TypeOf((*json.Number)(nil)).Elem() + jsoniterNumberType = reflect.TypeOf((*Number)(nil)).Elem() + jsonRawMessageType = reflect.TypeOf((*json.RawMessage)(nil)).Elem() + jsoniterRawMessageType = reflect.TypeOf((*RawMessage)(nil)).Elem() + anyType = reflect.TypeOf((*Any)(nil)).Elem() + marshalerType = reflect.TypeOf((*json.Marshaler)(nil)).Elem() + unmarshalerType = reflect.TypeOf((*json.Unmarshaler)(nil)).Elem() + textMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem() + textUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem() +} + +type optionalDecoder struct { + valueType reflect.Type + valueDecoder ValDecoder +} + +func (decoder *optionalDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if iter.ReadNil() { + *((*unsafe.Pointer)(ptr)) = nil + } else { + if *((*unsafe.Pointer)(ptr)) == nil { + //pointer to null, we have to allocate memory to hold the value + value := reflect.New(decoder.valueType) + newPtr := extractInterface(value.Interface()).word + decoder.valueDecoder.Decode(newPtr, iter) + *((*uintptr)(ptr)) = uintptr(newPtr) + } else { + //reuse existing instance + decoder.valueDecoder.Decode(*((*unsafe.Pointer)(ptr)), iter) + } + } +} + +type deferenceDecoder struct { + // only to deference a pointer + valueType reflect.Type + valueDecoder ValDecoder +} + +func (decoder *deferenceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if *((*unsafe.Pointer)(ptr)) == nil { + //pointer to null, we have to allocate memory to hold the value + value := reflect.New(decoder.valueType) + newPtr := extractInterface(value.Interface()).word + decoder.valueDecoder.Decode(newPtr, iter) + *((*uintptr)(ptr)) = uintptr(newPtr) + } else { + //reuse existing instance + decoder.valueDecoder.Decode(*((*unsafe.Pointer)(ptr)), iter) + } +} + +type optionalEncoder struct { + valueEncoder ValEncoder +} + +func (encoder *optionalEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + if *((*unsafe.Pointer)(ptr)) == nil { + stream.WriteNil() + } else { + encoder.valueEncoder.Encode(*((*unsafe.Pointer)(ptr)), stream) + } +} + +func (encoder *optionalEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *optionalEncoder) IsEmpty(ptr unsafe.Pointer) bool { + if *((*unsafe.Pointer)(ptr)) == nil { + return true + } + return false +} + +type placeholderEncoder struct { + cfg *frozenConfig + cacheKey reflect.Type +} + +func (encoder *placeholderEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + encoder.getRealEncoder().Encode(ptr, stream) +} + +func (encoder *placeholderEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *placeholderEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.getRealEncoder().IsEmpty(ptr) +} + +func (encoder *placeholderEncoder) getRealEncoder() ValEncoder { + for i := 0; i < 30; i++ { + realDecoder := encoder.cfg.getEncoderFromCache(encoder.cacheKey) + _, isPlaceholder := realDecoder.(*placeholderEncoder) + if isPlaceholder { + time.Sleep(time.Second) + } else { + return realDecoder + } + } + panic(fmt.Sprintf("real encoder not found for cache key: %v", encoder.cacheKey)) +} + +type placeholderDecoder struct { + cfg *frozenConfig + cacheKey reflect.Type +} + +func (decoder *placeholderDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + for i := 0; i < 30; i++ { + realDecoder := decoder.cfg.getDecoderFromCache(decoder.cacheKey) + _, isPlaceholder := realDecoder.(*placeholderDecoder) + if isPlaceholder { + time.Sleep(time.Second) + } else { + realDecoder.Decode(ptr, iter) + return + } + } + panic(fmt.Sprintf("real decoder not found for cache key: %v", decoder.cacheKey)) +} + +// emptyInterface is the header for an interface{} value. +type emptyInterface struct { + typ unsafe.Pointer + word unsafe.Pointer +} + +// emptyInterface is the header for an interface with method (not interface{}) +type nonEmptyInterface struct { + // see ../runtime/iface.go:/Itab + itab *struct { + ityp unsafe.Pointer // static interface type + typ unsafe.Pointer // dynamic concrete type + link unsafe.Pointer + bad int32 + unused int32 + fun [100000]unsafe.Pointer // method table + } + word unsafe.Pointer +} + +// ReadVal copy the underlying JSON into go interface, same as json.Unmarshal +func (iter *Iterator) ReadVal(obj interface{}) { + typ := reflect.TypeOf(obj) + cacheKey := typ.Elem() + decoder, err := decoderOfType(iter.cfg, cacheKey) + if err != nil { + iter.Error = err + return + } + e := (*emptyInterface)(unsafe.Pointer(&obj)) + decoder.Decode(e.word, iter) +} + +// WriteVal copy the go interface into underlying JSON, same as json.Marshal +func (stream *Stream) WriteVal(val interface{}) { + if nil == val { + stream.WriteNil() + return + } + typ := reflect.TypeOf(val) + cacheKey := typ + encoder, err := encoderOfType(stream.cfg, cacheKey) + if err != nil { + stream.Error = err + return + } + encoder.EncodeInterface(val, stream) +} + +type prefix string + +func (p prefix) addToDecoder(decoder ValDecoder, err error) (ValDecoder, error) { + if err != nil { + return nil, fmt.Errorf("%s: %s", p, err.Error()) + } + return decoder, err +} + +func (p prefix) addToEncoder(encoder ValEncoder, err error) (ValEncoder, error) { + if err != nil { + return nil, fmt.Errorf("%s: %s", p, err.Error()) + } + return encoder, err +} + +func decoderOfType(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + cacheKey := typ + decoder := cfg.getDecoderFromCache(cacheKey) + if decoder != nil { + return decoder, nil + } + decoder = getTypeDecoderFromExtension(typ) + if decoder != nil { + cfg.addDecoderToCache(cacheKey, decoder) + return decoder, nil + } + decoder = &placeholderDecoder{cfg: cfg, cacheKey: cacheKey} + cfg.addDecoderToCache(cacheKey, decoder) + decoder, err := createDecoderOfType(cfg, typ) + for _, extension := range extensions { + decoder = extension.DecorateDecoder(typ, decoder) + } + cfg.addDecoderToCache(cacheKey, decoder) + return decoder, err +} + +func createDecoderOfType(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + typeName := typ.String() + if typ == jsonRawMessageType { + return &jsonRawMessageCodec{}, nil + } + if typ == jsoniterRawMessageType { + return &jsoniterRawMessageCodec{}, nil + } + if typ.AssignableTo(jsonNumberType) { + return &jsonNumberCodec{}, nil + } + if typ.AssignableTo(jsoniterNumberType) { + return &jsoniterNumberCodec{}, nil + } + if typ.Implements(unmarshalerType) { + templateInterface := reflect.New(typ).Elem().Interface() + var decoder ValDecoder = &unmarshalerDecoder{extractInterface(templateInterface)} + if typ.Kind() == reflect.Ptr { + decoder = &optionalDecoder{typ.Elem(), decoder} + } + return decoder, nil + } + if reflect.PtrTo(typ).Implements(unmarshalerType) { + templateInterface := reflect.New(typ).Interface() + var decoder ValDecoder = &unmarshalerDecoder{extractInterface(templateInterface)} + return decoder, nil + } + if typ.Implements(textUnmarshalerType) { + templateInterface := reflect.New(typ).Elem().Interface() + var decoder ValDecoder = &textUnmarshalerDecoder{extractInterface(templateInterface)} + if typ.Kind() == reflect.Ptr { + decoder = &optionalDecoder{typ.Elem(), decoder} + } + return decoder, nil + } + if reflect.PtrTo(typ).Implements(textUnmarshalerType) { + templateInterface := reflect.New(typ).Interface() + var decoder ValDecoder = &textUnmarshalerDecoder{extractInterface(templateInterface)} + return decoder, nil + } + if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Uint8 { + sliceDecoder, err := prefix("[slice]").addToDecoder(decoderOfSlice(cfg, typ)) + if err != nil { + return nil, err + } + return &base64Codec{sliceDecoder: sliceDecoder}, nil + } + if typ.Implements(anyType) { + return &anyCodec{}, nil + } + switch typ.Kind() { + case reflect.String: + if typeName != "string" { + return decoderOfType(cfg, reflect.TypeOf((*string)(nil)).Elem()) + } + return &stringCodec{}, nil + case reflect.Int: + if typeName != "int" { + return decoderOfType(cfg, reflect.TypeOf((*int)(nil)).Elem()) + } + return &intCodec{}, nil + case reflect.Int8: + if typeName != "int8" { + return decoderOfType(cfg, reflect.TypeOf((*int8)(nil)).Elem()) + } + return &int8Codec{}, nil + case reflect.Int16: + if typeName != "int16" { + return decoderOfType(cfg, reflect.TypeOf((*int16)(nil)).Elem()) + } + return &int16Codec{}, nil + case reflect.Int32: + if typeName != "int32" { + return decoderOfType(cfg, reflect.TypeOf((*int32)(nil)).Elem()) + } + return &int32Codec{}, nil + case reflect.Int64: + if typeName != "int64" { + return decoderOfType(cfg, reflect.TypeOf((*int64)(nil)).Elem()) + } + return &int64Codec{}, nil + case reflect.Uint: + if typeName != "uint" { + return decoderOfType(cfg, reflect.TypeOf((*uint)(nil)).Elem()) + } + return &uintCodec{}, nil + case reflect.Uint8: + if typeName != "uint8" { + return decoderOfType(cfg, reflect.TypeOf((*uint8)(nil)).Elem()) + } + return &uint8Codec{}, nil + case reflect.Uint16: + if typeName != "uint16" { + return decoderOfType(cfg, reflect.TypeOf((*uint16)(nil)).Elem()) + } + return &uint16Codec{}, nil + case reflect.Uint32: + if typeName != "uint32" { + return decoderOfType(cfg, reflect.TypeOf((*uint32)(nil)).Elem()) + } + return &uint32Codec{}, nil + case reflect.Uintptr: + if typeName != "uintptr" { + return decoderOfType(cfg, reflect.TypeOf((*uintptr)(nil)).Elem()) + } + return &uintptrCodec{}, nil + case reflect.Uint64: + if typeName != "uint64" { + return decoderOfType(cfg, reflect.TypeOf((*uint64)(nil)).Elem()) + } + return &uint64Codec{}, nil + case reflect.Float32: + if typeName != "float32" { + return decoderOfType(cfg, reflect.TypeOf((*float32)(nil)).Elem()) + } + return &float32Codec{}, nil + case reflect.Float64: + if typeName != "float64" { + return decoderOfType(cfg, reflect.TypeOf((*float64)(nil)).Elem()) + } + return &float64Codec{}, nil + case reflect.Bool: + if typeName != "bool" { + return decoderOfType(cfg, reflect.TypeOf((*bool)(nil)).Elem()) + } + return &boolCodec{}, nil + case reflect.Interface: + if typ.NumMethod() == 0 { + return &emptyInterfaceCodec{}, nil + } + return &nonEmptyInterfaceCodec{}, nil + case reflect.Struct: + return prefix(fmt.Sprintf("[%s]", typeName)).addToDecoder(decoderOfStruct(cfg, typ)) + case reflect.Array: + return prefix("[array]").addToDecoder(decoderOfArray(cfg, typ)) + case reflect.Slice: + return prefix("[slice]").addToDecoder(decoderOfSlice(cfg, typ)) + case reflect.Map: + return prefix("[map]").addToDecoder(decoderOfMap(cfg, typ)) + case reflect.Ptr: + return prefix("[optional]").addToDecoder(decoderOfOptional(cfg, typ)) + default: + return nil, fmt.Errorf("unsupported type: %v", typ) + } +} + +func encoderOfType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + cacheKey := typ + encoder := cfg.getEncoderFromCache(cacheKey) + if encoder != nil { + return encoder, nil + } + encoder = getTypeEncoderFromExtension(typ) + if encoder != nil { + cfg.addEncoderToCache(cacheKey, encoder) + return encoder, nil + } + encoder = &placeholderEncoder{cfg: cfg, cacheKey: cacheKey} + cfg.addEncoderToCache(cacheKey, encoder) + encoder, err := createEncoderOfType(cfg, typ) + for _, extension := range extensions { + encoder = extension.DecorateEncoder(typ, encoder) + } + cfg.addEncoderToCache(cacheKey, encoder) + return encoder, err +} + +func createEncoderOfType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + if typ == jsonRawMessageType { + return &jsonRawMessageCodec{}, nil + } + if typ == jsoniterRawMessageType { + return &jsoniterRawMessageCodec{}, nil + } + if typ.AssignableTo(jsonNumberType) { + return &jsonNumberCodec{}, nil + } + if typ.AssignableTo(jsoniterNumberType) { + return &jsoniterNumberCodec{}, nil + } + if typ.Implements(marshalerType) { + checkIsEmpty, err := createCheckIsEmpty(typ) + if err != nil { + return nil, err + } + templateInterface := reflect.New(typ).Elem().Interface() + var encoder ValEncoder = &marshalerEncoder{ + templateInterface: extractInterface(templateInterface), + checkIsEmpty: checkIsEmpty, + } + if typ.Kind() == reflect.Ptr { + encoder = &optionalEncoder{encoder} + } + return encoder, nil + } + if typ.Implements(textMarshalerType) { + checkIsEmpty, err := createCheckIsEmpty(typ) + if err != nil { + return nil, err + } + templateInterface := reflect.New(typ).Elem().Interface() + var encoder ValEncoder = &textMarshalerEncoder{ + templateInterface: extractInterface(templateInterface), + checkIsEmpty: checkIsEmpty, + } + if typ.Kind() == reflect.Ptr { + encoder = &optionalEncoder{encoder} + } + return encoder, nil + } + if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Uint8 { + return &base64Codec{}, nil + } + if typ.Implements(anyType) { + return &anyCodec{}, nil + } + return createEncoderOfSimpleType(cfg, typ) +} + +func createCheckIsEmpty(typ reflect.Type) (checkIsEmpty, error) { + kind := typ.Kind() + switch kind { + case reflect.String: + return &stringCodec{}, nil + case reflect.Int: + return &intCodec{}, nil + case reflect.Int8: + return &int8Codec{}, nil + case reflect.Int16: + return &int16Codec{}, nil + case reflect.Int32: + return &int32Codec{}, nil + case reflect.Int64: + return &int64Codec{}, nil + case reflect.Uint: + return &uintCodec{}, nil + case reflect.Uint8: + return &uint8Codec{}, nil + case reflect.Uint16: + return &uint16Codec{}, nil + case reflect.Uint32: + return &uint32Codec{}, nil + case reflect.Uintptr: + return &uintptrCodec{}, nil + case reflect.Uint64: + return &uint64Codec{}, nil + case reflect.Float32: + return &float32Codec{}, nil + case reflect.Float64: + return &float64Codec{}, nil + case reflect.Bool: + return &boolCodec{}, nil + case reflect.Interface: + if typ.NumMethod() == 0 { + return &emptyInterfaceCodec{}, nil + } + return &nonEmptyInterfaceCodec{}, nil + case reflect.Struct: + return &structEncoder{}, nil + case reflect.Array: + return &arrayEncoder{}, nil + case reflect.Slice: + return &sliceEncoder{}, nil + case reflect.Map: + return &mapEncoder{}, nil + case reflect.Ptr: + return &optionalEncoder{}, nil + default: + return nil, fmt.Errorf("unsupported type: %v", typ) + } +} + +func createEncoderOfSimpleType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + typeName := typ.String() + kind := typ.Kind() + switch kind { + case reflect.String: + if typeName != "string" { + return encoderOfType(cfg, reflect.TypeOf((*string)(nil)).Elem()) + } + return &stringCodec{}, nil + case reflect.Int: + if typeName != "int" { + return encoderOfType(cfg, reflect.TypeOf((*int)(nil)).Elem()) + } + return &intCodec{}, nil + case reflect.Int8: + if typeName != "int8" { + return encoderOfType(cfg, reflect.TypeOf((*int8)(nil)).Elem()) + } + return &int8Codec{}, nil + case reflect.Int16: + if typeName != "int16" { + return encoderOfType(cfg, reflect.TypeOf((*int16)(nil)).Elem()) + } + return &int16Codec{}, nil + case reflect.Int32: + if typeName != "int32" { + return encoderOfType(cfg, reflect.TypeOf((*int32)(nil)).Elem()) + } + return &int32Codec{}, nil + case reflect.Int64: + if typeName != "int64" { + return encoderOfType(cfg, reflect.TypeOf((*int64)(nil)).Elem()) + } + return &int64Codec{}, nil + case reflect.Uint: + if typeName != "uint" { + return encoderOfType(cfg, reflect.TypeOf((*uint)(nil)).Elem()) + } + return &uintCodec{}, nil + case reflect.Uint8: + if typeName != "uint8" { + return encoderOfType(cfg, reflect.TypeOf((*uint8)(nil)).Elem()) + } + return &uint8Codec{}, nil + case reflect.Uint16: + if typeName != "uint16" { + return encoderOfType(cfg, reflect.TypeOf((*uint16)(nil)).Elem()) + } + return &uint16Codec{}, nil + case reflect.Uint32: + if typeName != "uint32" { + return encoderOfType(cfg, reflect.TypeOf((*uint32)(nil)).Elem()) + } + return &uint32Codec{}, nil + case reflect.Uintptr: + if typeName != "uintptr" { + return encoderOfType(cfg, reflect.TypeOf((*uintptr)(nil)).Elem()) + } + return &uintptrCodec{}, nil + case reflect.Uint64: + if typeName != "uint64" { + return encoderOfType(cfg, reflect.TypeOf((*uint64)(nil)).Elem()) + } + return &uint64Codec{}, nil + case reflect.Float32: + if typeName != "float32" { + return encoderOfType(cfg, reflect.TypeOf((*float32)(nil)).Elem()) + } + return &float32Codec{}, nil + case reflect.Float64: + if typeName != "float64" { + return encoderOfType(cfg, reflect.TypeOf((*float64)(nil)).Elem()) + } + return &float64Codec{}, nil + case reflect.Bool: + if typeName != "bool" { + return encoderOfType(cfg, reflect.TypeOf((*bool)(nil)).Elem()) + } + return &boolCodec{}, nil + case reflect.Interface: + if typ.NumMethod() == 0 { + return &emptyInterfaceCodec{}, nil + } + return &nonEmptyInterfaceCodec{}, nil + case reflect.Struct: + return prefix(fmt.Sprintf("[%s]", typeName)).addToEncoder(encoderOfStruct(cfg, typ)) + case reflect.Array: + return prefix("[array]").addToEncoder(encoderOfArray(cfg, typ)) + case reflect.Slice: + return prefix("[slice]").addToEncoder(encoderOfSlice(cfg, typ)) + case reflect.Map: + return prefix("[map]").addToEncoder(encoderOfMap(cfg, typ)) + case reflect.Ptr: + return prefix("[optional]").addToEncoder(encoderOfOptional(cfg, typ)) + default: + return nil, fmt.Errorf("unsupported type: %v", typ) + } +} + +func decoderOfOptional(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + elemType := typ.Elem() + decoder, err := decoderOfType(cfg, elemType) + if err != nil { + return nil, err + } + return &optionalDecoder{elemType, decoder}, nil +} + +func encoderOfOptional(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + elemType := typ.Elem() + elemEncoder, err := encoderOfType(cfg, elemType) + if err != nil { + return nil, err + } + encoder := &optionalEncoder{elemEncoder} + if elemType.Kind() == reflect.Map { + encoder = &optionalEncoder{encoder} + } + return encoder, nil +} + +func decoderOfMap(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + decoder, err := decoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + mapInterface := reflect.New(typ).Interface() + return &mapDecoder{typ, typ.Key(), typ.Elem(), decoder, extractInterface(mapInterface)}, nil +} + +func extractInterface(val interface{}) emptyInterface { + return *((*emptyInterface)(unsafe.Pointer(&val))) +} + +func encoderOfMap(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + elemType := typ.Elem() + encoder, err := encoderOfType(cfg, elemType) + if err != nil { + return nil, err + } + mapInterface := reflect.New(typ).Elem().Interface() + if cfg.sortMapKeys { + return &sortKeysMapEncoder{typ, elemType, encoder, *((*emptyInterface)(unsafe.Pointer(&mapInterface)))}, nil + } + return &mapEncoder{typ, elemType, encoder, *((*emptyInterface)(unsafe.Pointer(&mapInterface)))}, nil +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_array.go b/vendor/github.com/json-iterator/go/feature_reflect_array.go new file mode 100644 index 0000000..e23f187 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_array.go @@ -0,0 +1,99 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" + "unsafe" +) + +func decoderOfArray(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + decoder, err := decoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + return &arrayDecoder{typ, typ.Elem(), decoder}, nil +} + +func encoderOfArray(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + encoder, err := encoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + if typ.Elem().Kind() == reflect.Map { + encoder = &optionalEncoder{encoder} + } + return &arrayEncoder{typ, typ.Elem(), encoder}, nil +} + +type arrayEncoder struct { + arrayType reflect.Type + elemType reflect.Type + elemEncoder ValEncoder +} + +func (encoder *arrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteArrayStart() + elemPtr := unsafe.Pointer(ptr) + encoder.elemEncoder.Encode(elemPtr, stream) + for i := 1; i < encoder.arrayType.Len(); i++ { + stream.WriteMore() + elemPtr = unsafe.Pointer(uintptr(elemPtr) + encoder.elemType.Size()) + encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream) + } + stream.WriteArrayEnd() + if stream.Error != nil && stream.Error != io.EOF { + stream.Error = fmt.Errorf("%v: %s", encoder.arrayType, stream.Error.Error()) + } +} + +func (encoder *arrayEncoder) EncodeInterface(val interface{}, stream *Stream) { + // special optimization for interface{} + e := (*emptyInterface)(unsafe.Pointer(&val)) + if e.word == nil { + stream.WriteArrayStart() + stream.WriteNil() + stream.WriteArrayEnd() + return + } + elemType := encoder.arrayType.Elem() + if encoder.arrayType.Len() == 1 && (elemType.Kind() == reflect.Ptr || elemType.Kind() == reflect.Map) { + ptr := uintptr(e.word) + e.word = unsafe.Pointer(&ptr) + } + if reflect.TypeOf(val).Kind() == reflect.Ptr { + encoder.Encode(unsafe.Pointer(&e.word), stream) + } else { + encoder.Encode(e.word, stream) + } +} + +func (encoder *arrayEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return false +} + +type arrayDecoder struct { + arrayType reflect.Type + elemType reflect.Type + elemDecoder ValDecoder +} + +func (decoder *arrayDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + decoder.doDecode(ptr, iter) + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.arrayType, iter.Error.Error()) + } +} + +func (decoder *arrayDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) { + offset := uintptr(0) + iter.ReadArrayCB(func(iter *Iterator) bool { + if offset < decoder.arrayType.Size() { + decoder.elemDecoder.Decode(unsafe.Pointer(uintptr(ptr)+offset), iter) + offset += decoder.elemType.Size() + } else { + iter.Skip() + } + return true + }) +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_extension.go b/vendor/github.com/json-iterator/go/feature_reflect_extension.go new file mode 100644 index 0000000..3dd3829 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_extension.go @@ -0,0 +1,413 @@ +package jsoniter + +import ( + "fmt" + "reflect" + "sort" + "strings" + "unicode" + "unsafe" +) + +var typeDecoders = map[string]ValDecoder{} +var fieldDecoders = map[string]ValDecoder{} +var typeEncoders = map[string]ValEncoder{} +var fieldEncoders = map[string]ValEncoder{} +var extensions = []Extension{} + +// StructDescriptor describe how should we encode/decode the struct +type StructDescriptor struct { + onePtrEmbedded bool + onePtrOptimization bool + Type reflect.Type + Fields []*Binding +} + +// GetField get one field from the descriptor by its name. +// Can not use map here to keep field orders. +func (structDescriptor *StructDescriptor) GetField(fieldName string) *Binding { + for _, binding := range structDescriptor.Fields { + if binding.Field.Name == fieldName { + return binding + } + } + return nil +} + +// Binding describe how should we encode/decode the struct field +type Binding struct { + levels []int + Field *reflect.StructField + FromNames []string + ToNames []string + Encoder ValEncoder + Decoder ValDecoder +} + +// Extension the one for all SPI. Customize encoding/decoding by specifying alternate encoder/decoder. +// Can also rename fields by UpdateStructDescriptor. +type Extension interface { + UpdateStructDescriptor(structDescriptor *StructDescriptor) + CreateDecoder(typ reflect.Type) ValDecoder + CreateEncoder(typ reflect.Type) ValEncoder + DecorateDecoder(typ reflect.Type, decoder ValDecoder) ValDecoder + DecorateEncoder(typ reflect.Type, encoder ValEncoder) ValEncoder +} + +// DummyExtension embed this type get dummy implementation for all methods of Extension +type DummyExtension struct { +} + +// UpdateStructDescriptor No-op +func (extension *DummyExtension) UpdateStructDescriptor(structDescriptor *StructDescriptor) { +} + +// CreateDecoder No-op +func (extension *DummyExtension) CreateDecoder(typ reflect.Type) ValDecoder { + return nil +} + +// CreateEncoder No-op +func (extension *DummyExtension) CreateEncoder(typ reflect.Type) ValEncoder { + return nil +} + +// DecorateDecoder No-op +func (extension *DummyExtension) DecorateDecoder(typ reflect.Type, decoder ValDecoder) ValDecoder { + return decoder +} + +// DecorateEncoder No-op +func (extension *DummyExtension) DecorateEncoder(typ reflect.Type, encoder ValEncoder) ValEncoder { + return encoder +} + +type funcDecoder struct { + fun DecoderFunc +} + +func (decoder *funcDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + decoder.fun(ptr, iter) +} + +type funcEncoder struct { + fun EncoderFunc + isEmptyFunc func(ptr unsafe.Pointer) bool +} + +func (encoder *funcEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + encoder.fun(ptr, stream) +} + +func (encoder *funcEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *funcEncoder) IsEmpty(ptr unsafe.Pointer) bool { + if encoder.isEmptyFunc == nil { + return false + } + return encoder.isEmptyFunc(ptr) +} + +// DecoderFunc the function form of TypeDecoder +type DecoderFunc func(ptr unsafe.Pointer, iter *Iterator) + +// EncoderFunc the function form of TypeEncoder +type EncoderFunc func(ptr unsafe.Pointer, stream *Stream) + +// RegisterTypeDecoderFunc register TypeDecoder for a type with function +func RegisterTypeDecoderFunc(typ string, fun DecoderFunc) { + typeDecoders[typ] = &funcDecoder{fun} +} + +// RegisterTypeDecoder register TypeDecoder for a typ +func RegisterTypeDecoder(typ string, decoder ValDecoder) { + typeDecoders[typ] = decoder +} + +// RegisterFieldDecoderFunc register TypeDecoder for a struct field with function +func RegisterFieldDecoderFunc(typ string, field string, fun DecoderFunc) { + RegisterFieldDecoder(typ, field, &funcDecoder{fun}) +} + +// RegisterFieldDecoder register TypeDecoder for a struct field +func RegisterFieldDecoder(typ string, field string, decoder ValDecoder) { + fieldDecoders[fmt.Sprintf("%s/%s", typ, field)] = decoder +} + +// RegisterTypeEncoderFunc register TypeEncoder for a type with encode/isEmpty function +func RegisterTypeEncoderFunc(typ string, fun EncoderFunc, isEmptyFunc func(unsafe.Pointer) bool) { + typeEncoders[typ] = &funcEncoder{fun, isEmptyFunc} +} + +// RegisterTypeEncoder register TypeEncoder for a type +func RegisterTypeEncoder(typ string, encoder ValEncoder) { + typeEncoders[typ] = encoder +} + +// RegisterFieldEncoderFunc register TypeEncoder for a struct field with encode/isEmpty function +func RegisterFieldEncoderFunc(typ string, field string, fun EncoderFunc, isEmptyFunc func(unsafe.Pointer) bool) { + RegisterFieldEncoder(typ, field, &funcEncoder{fun, isEmptyFunc}) +} + +// RegisterFieldEncoder register TypeEncoder for a struct field +func RegisterFieldEncoder(typ string, field string, encoder ValEncoder) { + fieldEncoders[fmt.Sprintf("%s/%s", typ, field)] = encoder +} + +// RegisterExtension register extension +func RegisterExtension(extension Extension) { + extensions = append(extensions, extension) +} + +func getTypeDecoderFromExtension(typ reflect.Type) ValDecoder { + decoder := _getTypeDecoderFromExtension(typ) + if decoder != nil { + for _, extension := range extensions { + decoder = extension.DecorateDecoder(typ, decoder) + } + } + return decoder +} +func _getTypeDecoderFromExtension(typ reflect.Type) ValDecoder { + for _, extension := range extensions { + decoder := extension.CreateDecoder(typ) + if decoder != nil { + return decoder + } + } + typeName := typ.String() + decoder := typeDecoders[typeName] + if decoder != nil { + return decoder + } + if typ.Kind() == reflect.Ptr { + decoder := typeDecoders[typ.Elem().String()] + if decoder != nil { + return &optionalDecoder{typ.Elem(), decoder} + } + } + return nil +} + +func getTypeEncoderFromExtension(typ reflect.Type) ValEncoder { + encoder := _getTypeEncoderFromExtension(typ) + if encoder != nil { + for _, extension := range extensions { + encoder = extension.DecorateEncoder(typ, encoder) + } + } + return encoder +} + +func _getTypeEncoderFromExtension(typ reflect.Type) ValEncoder { + for _, extension := range extensions { + encoder := extension.CreateEncoder(typ) + if encoder != nil { + return encoder + } + } + typeName := typ.String() + encoder := typeEncoders[typeName] + if encoder != nil { + return encoder + } + if typ.Kind() == reflect.Ptr { + encoder := typeEncoders[typ.Elem().String()] + if encoder != nil { + return &optionalEncoder{encoder} + } + } + return nil +} + +func describeStruct(cfg *frozenConfig, typ reflect.Type) (*StructDescriptor, error) { + embeddedBindings := []*Binding{} + bindings := []*Binding{} + for i := 0; i < typ.NumField(); i++ { + field := typ.Field(i) + tag := field.Tag.Get(cfg.getTagKey()) + tagParts := strings.Split(tag, ",") + if tag == "-" { + continue + } + if field.Anonymous && (tag == "" || tagParts[0] == "") { + if field.Type.Kind() == reflect.Struct { + structDescriptor, err := describeStruct(cfg, field.Type) + if err != nil { + return nil, err + } + for _, binding := range structDescriptor.Fields { + binding.levels = append([]int{i}, binding.levels...) + omitempty := binding.Encoder.(*structFieldEncoder).omitempty + binding.Encoder = &structFieldEncoder{&field, binding.Encoder, omitempty} + binding.Decoder = &structFieldDecoder{&field, binding.Decoder} + embeddedBindings = append(embeddedBindings, binding) + } + continue + } else if field.Type.Kind() == reflect.Ptr && field.Type.Elem().Kind() == reflect.Struct { + structDescriptor, err := describeStruct(cfg, field.Type.Elem()) + if err != nil { + return nil, err + } + for _, binding := range structDescriptor.Fields { + binding.levels = append([]int{i}, binding.levels...) + omitempty := binding.Encoder.(*structFieldEncoder).omitempty + binding.Encoder = &optionalEncoder{binding.Encoder} + binding.Encoder = &structFieldEncoder{&field, binding.Encoder, omitempty} + binding.Decoder = &deferenceDecoder{field.Type.Elem(), binding.Decoder} + binding.Decoder = &structFieldDecoder{&field, binding.Decoder} + embeddedBindings = append(embeddedBindings, binding) + } + continue + } + } + fieldNames := calcFieldNames(field.Name, tagParts[0], tag) + fieldCacheKey := fmt.Sprintf("%s/%s", typ.String(), field.Name) + decoder := fieldDecoders[fieldCacheKey] + if decoder == nil { + var err error + decoder, err = decoderOfType(cfg, field.Type) + if err != nil { + return nil, err + } + } + encoder := fieldEncoders[fieldCacheKey] + if encoder == nil { + var err error + encoder, err = encoderOfType(cfg, field.Type) + if err != nil { + return nil, err + } + // map is stored as pointer in the struct + if field.Type.Kind() == reflect.Map { + encoder = &optionalEncoder{encoder} + } + } + binding := &Binding{ + Field: &field, + FromNames: fieldNames, + ToNames: fieldNames, + Decoder: decoder, + Encoder: encoder, + } + binding.levels = []int{i} + bindings = append(bindings, binding) + } + return createStructDescriptor(cfg, typ, bindings, embeddedBindings), nil +} +func createStructDescriptor(cfg *frozenConfig, typ reflect.Type, bindings []*Binding, embeddedBindings []*Binding) *StructDescriptor { + onePtrEmbedded := false + onePtrOptimization := false + if typ.NumField() == 1 { + firstField := typ.Field(0) + switch firstField.Type.Kind() { + case reflect.Ptr: + if firstField.Anonymous && firstField.Type.Elem().Kind() == reflect.Struct { + onePtrEmbedded = true + } + fallthrough + case reflect.Map: + onePtrOptimization = true + case reflect.Struct: + onePtrOptimization = isStructOnePtr(firstField.Type) + } + } + structDescriptor := &StructDescriptor{ + onePtrEmbedded: onePtrEmbedded, + onePtrOptimization: onePtrOptimization, + Type: typ, + Fields: bindings, + } + for _, extension := range extensions { + extension.UpdateStructDescriptor(structDescriptor) + } + processTags(structDescriptor, cfg) + // merge normal & embedded bindings & sort with original order + allBindings := sortableBindings(append(embeddedBindings, structDescriptor.Fields...)) + sort.Sort(allBindings) + structDescriptor.Fields = allBindings + return structDescriptor +} + +func isStructOnePtr(typ reflect.Type) bool { + if typ.NumField() == 1 { + firstField := typ.Field(0) + switch firstField.Type.Kind() { + case reflect.Ptr: + return true + case reflect.Map: + return true + case reflect.Struct: + return isStructOnePtr(firstField.Type) + } + } + return false +} + +type sortableBindings []*Binding + +func (bindings sortableBindings) Len() int { + return len(bindings) +} + +func (bindings sortableBindings) Less(i, j int) bool { + left := bindings[i].levels + right := bindings[j].levels + k := 0 + for { + if left[k] < right[k] { + return true + } else if left[k] > right[k] { + return false + } + k++ + } +} + +func (bindings sortableBindings) Swap(i, j int) { + bindings[i], bindings[j] = bindings[j], bindings[i] +} + +func processTags(structDescriptor *StructDescriptor, cfg *frozenConfig) { + for _, binding := range structDescriptor.Fields { + shouldOmitEmpty := false + tagParts := strings.Split(binding.Field.Tag.Get(cfg.getTagKey()), ",") + for _, tagPart := range tagParts[1:] { + if tagPart == "omitempty" { + shouldOmitEmpty = true + } else if tagPart == "string" { + if binding.Field.Type.Kind() == reflect.String { + binding.Decoder = &stringModeStringDecoder{binding.Decoder, cfg} + binding.Encoder = &stringModeStringEncoder{binding.Encoder, cfg} + } else { + binding.Decoder = &stringModeNumberDecoder{binding.Decoder} + binding.Encoder = &stringModeNumberEncoder{binding.Encoder} + } + } + } + binding.Decoder = &structFieldDecoder{binding.Field, binding.Decoder} + binding.Encoder = &structFieldEncoder{binding.Field, binding.Encoder, shouldOmitEmpty} + } +} + +func calcFieldNames(originalFieldName string, tagProvidedFieldName string, wholeTag string) []string { + // ignore? + if wholeTag == "-" { + return []string{} + } + // rename? + var fieldNames []string + if tagProvidedFieldName == "" { + fieldNames = []string{originalFieldName} + } else { + fieldNames = []string{tagProvidedFieldName} + } + // private? + isNotExported := unicode.IsLower(rune(originalFieldName[0])) + if isNotExported { + fieldNames = []string{} + } + return fieldNames +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_map.go b/vendor/github.com/json-iterator/go/feature_reflect_map.go new file mode 100644 index 0000000..005671e --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_map.go @@ -0,0 +1,244 @@ +package jsoniter + +import ( + "encoding" + "encoding/json" + "reflect" + "sort" + "strconv" + "unsafe" +) + +type mapDecoder struct { + mapType reflect.Type + keyType reflect.Type + elemType reflect.Type + elemDecoder ValDecoder + mapInterface emptyInterface +} + +func (decoder *mapDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + // dark magic to cast unsafe.Pointer back to interface{} using reflect.Type + mapInterface := decoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface).Elem() + if iter.ReadNil() { + realVal.Set(reflect.Zero(decoder.mapType)) + return + } + if realVal.IsNil() { + realVal.Set(reflect.MakeMap(realVal.Type())) + } + iter.ReadMapCB(func(iter *Iterator, keyStr string) bool { + elem := reflect.New(decoder.elemType) + decoder.elemDecoder.Decode(unsafe.Pointer(elem.Pointer()), iter) + // to put into map, we have to use reflection + keyType := decoder.keyType + // TODO: remove this from loop + switch { + case keyType.Kind() == reflect.String: + realVal.SetMapIndex(reflect.ValueOf(keyStr).Convert(keyType), elem.Elem()) + return true + case keyType.Implements(textUnmarshalerType): + textUnmarshaler := reflect.New(keyType.Elem()).Interface().(encoding.TextUnmarshaler) + err := textUnmarshaler.UnmarshalText([]byte(keyStr)) + if err != nil { + iter.ReportError("read map key as TextUnmarshaler", err.Error()) + return false + } + realVal.SetMapIndex(reflect.ValueOf(textUnmarshaler), elem.Elem()) + return true + case reflect.PtrTo(keyType).Implements(textUnmarshalerType): + textUnmarshaler := reflect.New(keyType).Interface().(encoding.TextUnmarshaler) + err := textUnmarshaler.UnmarshalText([]byte(keyStr)) + if err != nil { + iter.ReportError("read map key as TextUnmarshaler", err.Error()) + return false + } + realVal.SetMapIndex(reflect.ValueOf(textUnmarshaler).Elem(), elem.Elem()) + return true + default: + switch keyType.Kind() { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + n, err := strconv.ParseInt(keyStr, 10, 64) + if err != nil || reflect.Zero(keyType).OverflowInt(n) { + iter.ReportError("read map key as int64", "read int64 failed") + return false + } + realVal.SetMapIndex(reflect.ValueOf(n).Convert(keyType), elem.Elem()) + return true + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + n, err := strconv.ParseUint(keyStr, 10, 64) + if err != nil || reflect.Zero(keyType).OverflowUint(n) { + iter.ReportError("read map key as uint64", "read uint64 failed") + return false + } + realVal.SetMapIndex(reflect.ValueOf(n).Convert(keyType), elem.Elem()) + return true + } + } + iter.ReportError("read map key", "unexpected map key type "+keyType.String()) + return true + }) +} + +type mapEncoder struct { + mapType reflect.Type + elemType reflect.Type + elemEncoder ValEncoder + mapInterface emptyInterface +} + +func (encoder *mapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + mapInterface := encoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface) + stream.WriteObjectStart() + for i, key := range realVal.MapKeys() { + if i != 0 { + stream.WriteMore() + } + encodeMapKey(key, stream) + if stream.indention > 0 { + stream.writeTwoBytes(byte(':'), byte(' ')) + } else { + stream.writeByte(':') + } + val := realVal.MapIndex(key).Interface() + encoder.elemEncoder.EncodeInterface(val, stream) + } + stream.WriteObjectEnd() +} + +func encodeMapKey(key reflect.Value, stream *Stream) { + if key.Kind() == reflect.String { + stream.WriteString(key.String()) + return + } + if tm, ok := key.Interface().(encoding.TextMarshaler); ok { + buf, err := tm.MarshalText() + if err != nil { + stream.Error = err + return + } + stream.writeByte('"') + stream.Write(buf) + stream.writeByte('"') + return + } + switch key.Kind() { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + stream.writeByte('"') + stream.WriteInt64(key.Int()) + stream.writeByte('"') + return + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + stream.writeByte('"') + stream.WriteUint64(key.Uint()) + stream.writeByte('"') + return + } + stream.Error = &json.UnsupportedTypeError{Type: key.Type()} +} + +func (encoder *mapEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *mapEncoder) IsEmpty(ptr unsafe.Pointer) bool { + mapInterface := encoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface) + return realVal.Len() == 0 +} + +type sortKeysMapEncoder struct { + mapType reflect.Type + elemType reflect.Type + elemEncoder ValEncoder + mapInterface emptyInterface +} + +func (encoder *sortKeysMapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + mapInterface := encoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface) + + // Extract and sort the keys. + keys := realVal.MapKeys() + sv := stringValues(make([]reflectWithString, len(keys))) + for i, v := range keys { + sv[i].v = v + if err := sv[i].resolve(); err != nil { + stream.Error = err + return + } + } + sort.Sort(sv) + + stream.WriteObjectStart() + for i, key := range sv { + if i != 0 { + stream.WriteMore() + } + stream.WriteVal(key.s) // might need html escape, so can not WriteString directly + if stream.indention > 0 { + stream.writeTwoBytes(byte(':'), byte(' ')) + } else { + stream.writeByte(':') + } + val := realVal.MapIndex(key.v).Interface() + encoder.elemEncoder.EncodeInterface(val, stream) + } + stream.WriteObjectEnd() +} + +// stringValues is a slice of reflect.Value holding *reflect.StringValue. +// It implements the methods to sort by string. +type stringValues []reflectWithString + +type reflectWithString struct { + v reflect.Value + s string +} + +func (w *reflectWithString) resolve() error { + if w.v.Kind() == reflect.String { + w.s = w.v.String() + return nil + } + if tm, ok := w.v.Interface().(encoding.TextMarshaler); ok { + buf, err := tm.MarshalText() + w.s = string(buf) + return err + } + switch w.v.Kind() { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + w.s = strconv.FormatInt(w.v.Int(), 10) + return nil + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + w.s = strconv.FormatUint(w.v.Uint(), 10) + return nil + } + return &json.UnsupportedTypeError{Type: w.v.Type()} +} + +func (sv stringValues) Len() int { return len(sv) } +func (sv stringValues) Swap(i, j int) { sv[i], sv[j] = sv[j], sv[i] } +func (sv stringValues) Less(i, j int) bool { return sv[i].s < sv[j].s } + +func (encoder *sortKeysMapEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *sortKeysMapEncoder) IsEmpty(ptr unsafe.Pointer) bool { + mapInterface := encoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface) + return realVal.Len() == 0 +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_native.go b/vendor/github.com/json-iterator/go/feature_reflect_native.go new file mode 100644 index 0000000..b37dab3 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_native.go @@ -0,0 +1,672 @@ +package jsoniter + +import ( + "encoding" + "encoding/base64" + "encoding/json" + "unsafe" +) + +type stringCodec struct { +} + +func (codec *stringCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*string)(ptr)) = iter.ReadString() +} + +func (codec *stringCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + str := *((*string)(ptr)) + stream.WriteString(str) +} + +func (codec *stringCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *stringCodec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*string)(ptr)) == "" +} + +type intCodec struct { +} + +func (codec *intCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int)(ptr)) = iter.ReadInt() +} + +func (codec *intCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt(*((*int)(ptr))) +} + +func (codec *intCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *intCodec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int)(ptr)) == 0 +} + +type uintptrCodec struct { +} + +func (codec *uintptrCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uintptr)(ptr)) = uintptr(iter.ReadUint64()) +} + +func (codec *uintptrCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint64(uint64(*((*uintptr)(ptr)))) +} + +func (codec *uintptrCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uintptrCodec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uintptr)(ptr)) == 0 +} + +type int8Codec struct { +} + +func (codec *int8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int8)(ptr)) = iter.ReadInt8() +} + +func (codec *int8Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt8(*((*int8)(ptr))) +} + +func (codec *int8Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *int8Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int8)(ptr)) == 0 +} + +type int16Codec struct { +} + +func (codec *int16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int16)(ptr)) = iter.ReadInt16() +} + +func (codec *int16Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt16(*((*int16)(ptr))) +} + +func (codec *int16Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *int16Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int16)(ptr)) == 0 +} + +type int32Codec struct { +} + +func (codec *int32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int32)(ptr)) = iter.ReadInt32() +} + +func (codec *int32Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt32(*((*int32)(ptr))) +} + +func (codec *int32Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *int32Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int32)(ptr)) == 0 +} + +type int64Codec struct { +} + +func (codec *int64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int64)(ptr)) = iter.ReadInt64() +} + +func (codec *int64Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt64(*((*int64)(ptr))) +} + +func (codec *int64Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *int64Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int64)(ptr)) == 0 +} + +type uintCodec struct { +} + +func (codec *uintCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint)(ptr)) = iter.ReadUint() +} + +func (codec *uintCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint(*((*uint)(ptr))) +} + +func (codec *uintCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uintCodec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint)(ptr)) == 0 +} + +type uint8Codec struct { +} + +func (codec *uint8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint8)(ptr)) = iter.ReadUint8() +} + +func (codec *uint8Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint8(*((*uint8)(ptr))) +} + +func (codec *uint8Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uint8Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint8)(ptr)) == 0 +} + +type uint16Codec struct { +} + +func (codec *uint16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint16)(ptr)) = iter.ReadUint16() +} + +func (codec *uint16Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint16(*((*uint16)(ptr))) +} + +func (codec *uint16Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uint16Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint16)(ptr)) == 0 +} + +type uint32Codec struct { +} + +func (codec *uint32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint32)(ptr)) = iter.ReadUint32() +} + +func (codec *uint32Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint32(*((*uint32)(ptr))) +} + +func (codec *uint32Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uint32Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint32)(ptr)) == 0 +} + +type uint64Codec struct { +} + +func (codec *uint64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint64)(ptr)) = iter.ReadUint64() +} + +func (codec *uint64Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint64(*((*uint64)(ptr))) +} + +func (codec *uint64Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uint64Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint64)(ptr)) == 0 +} + +type float32Codec struct { +} + +func (codec *float32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*float32)(ptr)) = iter.ReadFloat32() +} + +func (codec *float32Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteFloat32(*((*float32)(ptr))) +} + +func (codec *float32Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *float32Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*float32)(ptr)) == 0 +} + +type float64Codec struct { +} + +func (codec *float64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*float64)(ptr)) = iter.ReadFloat64() +} + +func (codec *float64Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteFloat64(*((*float64)(ptr))) +} + +func (codec *float64Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *float64Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*float64)(ptr)) == 0 +} + +type boolCodec struct { +} + +func (codec *boolCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*bool)(ptr)) = iter.ReadBool() +} + +func (codec *boolCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteBool(*((*bool)(ptr))) +} + +func (codec *boolCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *boolCodec) IsEmpty(ptr unsafe.Pointer) bool { + return !(*((*bool)(ptr))) +} + +type emptyInterfaceCodec struct { +} + +func (codec *emptyInterfaceCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*interface{})(ptr)) = iter.Read() +} + +func (codec *emptyInterfaceCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteVal(*((*interface{})(ptr))) +} + +func (codec *emptyInterfaceCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteVal(val) +} + +func (codec *emptyInterfaceCodec) IsEmpty(ptr unsafe.Pointer) bool { + return ptr == nil +} + +type nonEmptyInterfaceCodec struct { +} + +func (codec *nonEmptyInterfaceCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + nonEmptyInterface := (*nonEmptyInterface)(ptr) + if nonEmptyInterface.itab == nil { + iter.ReportError("read non-empty interface", "do not know which concrete type to decode to") + return + } + var i interface{} + e := (*emptyInterface)(unsafe.Pointer(&i)) + e.typ = nonEmptyInterface.itab.typ + e.word = nonEmptyInterface.word + iter.ReadVal(&i) + nonEmptyInterface.word = e.word +} + +func (codec *nonEmptyInterfaceCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + nonEmptyInterface := (*nonEmptyInterface)(ptr) + var i interface{} + e := (*emptyInterface)(unsafe.Pointer(&i)) + e.typ = nonEmptyInterface.itab.typ + e.word = nonEmptyInterface.word + stream.WriteVal(i) +} + +func (codec *nonEmptyInterfaceCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteVal(val) +} + +func (codec *nonEmptyInterfaceCodec) IsEmpty(ptr unsafe.Pointer) bool { + nonEmptyInterface := (*nonEmptyInterface)(ptr) + return nonEmptyInterface.word == nil +} + +type anyCodec struct { +} + +func (codec *anyCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*Any)(ptr)) = iter.ReadAny() +} + +func (codec *anyCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + (*((*Any)(ptr))).WriteTo(stream) +} + +func (codec *anyCodec) EncodeInterface(val interface{}, stream *Stream) { + (val.(Any)).WriteTo(stream) +} + +func (codec *anyCodec) IsEmpty(ptr unsafe.Pointer) bool { + return (*((*Any)(ptr))).Size() == 0 +} + +type jsonNumberCodec struct { +} + +func (codec *jsonNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*json.Number)(ptr)) = json.Number([]byte(iter.readNumberAsString())) +} + +func (codec *jsonNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteRaw(string(*((*json.Number)(ptr)))) +} + +func (codec *jsonNumberCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteRaw(string(val.(json.Number))) +} + +func (codec *jsonNumberCodec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*json.Number)(ptr))) == 0 +} + +type jsoniterNumberCodec struct { +} + +func (codec *jsoniterNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*Number)(ptr)) = Number([]byte(iter.readNumberAsString())) +} + +func (codec *jsoniterNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteRaw(string(*((*Number)(ptr)))) +} + +func (codec *jsoniterNumberCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteRaw(string(val.(Number))) +} + +func (codec *jsoniterNumberCodec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*Number)(ptr))) == 0 +} + +type jsonRawMessageCodec struct { +} + +func (codec *jsonRawMessageCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*json.RawMessage)(ptr)) = json.RawMessage(iter.SkipAndReturnBytes()) +} + +func (codec *jsonRawMessageCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteRaw(string(*((*json.RawMessage)(ptr)))) +} + +func (codec *jsonRawMessageCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteRaw(string(val.(json.RawMessage))) +} + +func (codec *jsonRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*json.RawMessage)(ptr))) == 0 +} + +type jsoniterRawMessageCodec struct { +} + +func (codec *jsoniterRawMessageCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*RawMessage)(ptr)) = RawMessage(iter.SkipAndReturnBytes()) +} + +func (codec *jsoniterRawMessageCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteRaw(string(*((*RawMessage)(ptr)))) +} + +func (codec *jsoniterRawMessageCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteRaw(string(val.(RawMessage))) +} + +func (codec *jsoniterRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*RawMessage)(ptr))) == 0 +} + +type base64Codec struct { + sliceDecoder ValDecoder +} + +func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + if iter.ReadNil() { + ptrSlice := (*sliceHeader)(ptr) + ptrSlice.Len = 0 + ptrSlice.Cap = 0 + ptrSlice.Data = nil + return + } + switch iter.WhatIsNext() { + case StringValue: + encoding := base64.StdEncoding + src := iter.SkipAndReturnBytes() + src = src[1 : len(src)-1] + decodedLen := encoding.DecodedLen(len(src)) + dst := make([]byte, decodedLen) + len, err := encoding.Decode(dst, src) + if err != nil { + iter.ReportError("decode base64", err.Error()) + } else { + dst = dst[:len] + dstSlice := (*sliceHeader)(unsafe.Pointer(&dst)) + ptrSlice := (*sliceHeader)(ptr) + ptrSlice.Data = dstSlice.Data + ptrSlice.Cap = dstSlice.Cap + ptrSlice.Len = dstSlice.Len + } + case ArrayValue: + codec.sliceDecoder.Decode(ptr, iter) + default: + iter.ReportError("base64Codec", "invalid input") + } +} + +func (codec *base64Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + src := *((*[]byte)(ptr)) + if len(src) == 0 { + stream.WriteNil() + return + } + encoding := base64.StdEncoding + stream.writeByte('"') + toGrow := encoding.EncodedLen(len(src)) + stream.ensure(toGrow) + encoding.Encode(stream.buf[stream.n:], src) + stream.n += toGrow + stream.writeByte('"') +} + +func (codec *base64Codec) EncodeInterface(val interface{}, stream *Stream) { + ptr := extractInterface(val).word + src := *((*[]byte)(ptr)) + if len(src) == 0 { + stream.WriteNil() + return + } + encoding := base64.StdEncoding + stream.writeByte('"') + toGrow := encoding.EncodedLen(len(src)) + stream.ensure(toGrow) + encoding.Encode(stream.buf[stream.n:], src) + stream.n += toGrow + stream.writeByte('"') +} + +func (codec *base64Codec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*[]byte)(ptr))) == 0 +} + +type stringModeNumberDecoder struct { + elemDecoder ValDecoder +} + +func (decoder *stringModeNumberDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + c := iter.nextToken() + if c != '"' { + iter.ReportError("stringModeNumberDecoder", `expect "`) + return + } + decoder.elemDecoder.Decode(ptr, iter) + if iter.Error != nil { + return + } + c = iter.readByte() + if c != '"' { + iter.ReportError("stringModeNumberDecoder", `expect "`) + return + } +} + +type stringModeStringDecoder struct { + elemDecoder ValDecoder + cfg *frozenConfig +} + +func (decoder *stringModeStringDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + decoder.elemDecoder.Decode(ptr, iter) + str := *((*string)(ptr)) + tempIter := decoder.cfg.BorrowIterator([]byte(str)) + defer decoder.cfg.ReturnIterator(tempIter) + *((*string)(ptr)) = tempIter.ReadString() +} + +type stringModeNumberEncoder struct { + elemEncoder ValEncoder +} + +func (encoder *stringModeNumberEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.writeByte('"') + encoder.elemEncoder.Encode(ptr, stream) + stream.writeByte('"') +} + +func (encoder *stringModeNumberEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *stringModeNumberEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.elemEncoder.IsEmpty(ptr) +} + +type stringModeStringEncoder struct { + elemEncoder ValEncoder + cfg *frozenConfig +} + +func (encoder *stringModeStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + tempStream := encoder.cfg.BorrowStream(nil) + defer encoder.cfg.ReturnStream(tempStream) + encoder.elemEncoder.Encode(ptr, tempStream) + stream.WriteString(string(tempStream.Buffer())) +} + +func (encoder *stringModeStringEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *stringModeStringEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.elemEncoder.IsEmpty(ptr) +} + +type marshalerEncoder struct { + templateInterface emptyInterface + checkIsEmpty checkIsEmpty +} + +func (encoder *marshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + templateInterface := encoder.templateInterface + templateInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&templateInterface)) + marshaler := (*realInterface).(json.Marshaler) + bytes, err := marshaler.MarshalJSON() + if err != nil { + stream.Error = err + } else { + stream.Write(bytes) + } +} +func (encoder *marshalerEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *marshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.checkIsEmpty.IsEmpty(ptr) +} + +type textMarshalerEncoder struct { + templateInterface emptyInterface + checkIsEmpty checkIsEmpty +} + +func (encoder *textMarshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + templateInterface := encoder.templateInterface + templateInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&templateInterface)) + marshaler := (*realInterface).(encoding.TextMarshaler) + bytes, err := marshaler.MarshalText() + if err != nil { + stream.Error = err + } else { + stream.WriteString(string(bytes)) + } +} + +func (encoder *textMarshalerEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *textMarshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.checkIsEmpty.IsEmpty(ptr) +} + +type unmarshalerDecoder struct { + templateInterface emptyInterface +} + +func (decoder *unmarshalerDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + templateInterface := decoder.templateInterface + templateInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&templateInterface)) + unmarshaler := (*realInterface).(json.Unmarshaler) + iter.nextToken() + iter.unreadByte() // skip spaces + bytes := iter.SkipAndReturnBytes() + err := unmarshaler.UnmarshalJSON(bytes) + if err != nil { + iter.ReportError("unmarshalerDecoder", err.Error()) + } +} + +type textUnmarshalerDecoder struct { + templateInterface emptyInterface +} + +func (decoder *textUnmarshalerDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + templateInterface := decoder.templateInterface + templateInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&templateInterface)) + unmarshaler := (*realInterface).(encoding.TextUnmarshaler) + str := iter.ReadString() + err := unmarshaler.UnmarshalText([]byte(str)) + if err != nil { + iter.ReportError("textUnmarshalerDecoder", err.Error()) + } +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_object.go b/vendor/github.com/json-iterator/go/feature_reflect_object.go new file mode 100644 index 0000000..59b1235 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_object.go @@ -0,0 +1,196 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" + "strings" + "unsafe" +) + +func encoderOfStruct(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + type bindingTo struct { + binding *Binding + toName string + ignored bool + } + orderedBindings := []*bindingTo{} + structDescriptor, err := describeStruct(cfg, typ) + if err != nil { + return nil, err + } + for _, binding := range structDescriptor.Fields { + for _, toName := range binding.ToNames { + new := &bindingTo{ + binding: binding, + toName: toName, + } + for _, old := range orderedBindings { + if old.toName != toName { + continue + } + old.ignored, new.ignored = resolveConflictBinding(cfg, old.binding, new.binding) + } + orderedBindings = append(orderedBindings, new) + } + } + if len(orderedBindings) == 0 { + return &emptyStructEncoder{}, nil + } + finalOrderedFields := []structFieldTo{} + for _, bindingTo := range orderedBindings { + if !bindingTo.ignored { + finalOrderedFields = append(finalOrderedFields, structFieldTo{ + encoder: bindingTo.binding.Encoder.(*structFieldEncoder), + toName: bindingTo.toName, + }) + } + } + return &structEncoder{structDescriptor.onePtrEmbedded, structDescriptor.onePtrOptimization, finalOrderedFields}, nil +} + +func resolveConflictBinding(cfg *frozenConfig, old, new *Binding) (ignoreOld, ignoreNew bool) { + newTagged := new.Field.Tag.Get(cfg.getTagKey()) != "" + oldTagged := old.Field.Tag.Get(cfg.getTagKey()) != "" + if newTagged { + if oldTagged { + if len(old.levels) > len(new.levels) { + return true, false + } else if len(new.levels) > len(old.levels) { + return false, true + } else { + return true, true + } + } else { + return true, false + } + } else { + if oldTagged { + return true, false + } + if len(old.levels) > len(new.levels) { + return true, false + } else if len(new.levels) > len(old.levels) { + return false, true + } else { + return true, true + } + } +} + +func decoderOfStruct(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + bindings := map[string]*Binding{} + structDescriptor, err := describeStruct(cfg, typ) + if err != nil { + return nil, err + } + for _, binding := range structDescriptor.Fields { + for _, fromName := range binding.FromNames { + old := bindings[fromName] + if old == nil { + bindings[fromName] = binding + continue + } + ignoreOld, ignoreNew := resolveConflictBinding(cfg, old, binding) + if ignoreOld { + delete(bindings, fromName) + } + if !ignoreNew { + bindings[fromName] = binding + } + } + } + fields := map[string]*structFieldDecoder{} + for k, binding := range bindings { + fields[strings.ToLower(k)] = binding.Decoder.(*structFieldDecoder) + } + return createStructDecoder(typ, fields) +} + +type structFieldEncoder struct { + field *reflect.StructField + fieldEncoder ValEncoder + omitempty bool +} + +func (encoder *structFieldEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + fieldPtr := unsafe.Pointer(uintptr(ptr) + encoder.field.Offset) + encoder.fieldEncoder.Encode(fieldPtr, stream) + if stream.Error != nil && stream.Error != io.EOF { + stream.Error = fmt.Errorf("%s: %s", encoder.field.Name, stream.Error.Error()) + } +} + +func (encoder *structFieldEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *structFieldEncoder) IsEmpty(ptr unsafe.Pointer) bool { + fieldPtr := unsafe.Pointer(uintptr(ptr) + encoder.field.Offset) + return encoder.fieldEncoder.IsEmpty(fieldPtr) +} + +type structEncoder struct { + onePtrEmbedded bool + onePtrOptimization bool + fields []structFieldTo +} + +type structFieldTo struct { + encoder *structFieldEncoder + toName string +} + +func (encoder *structEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteObjectStart() + isNotFirst := false + for _, field := range encoder.fields { + if field.encoder.omitempty && field.encoder.IsEmpty(ptr) { + continue + } + if isNotFirst { + stream.WriteMore() + } + stream.WriteObjectField(field.toName) + field.encoder.Encode(ptr, stream) + isNotFirst = true + } + stream.WriteObjectEnd() +} + +func (encoder *structEncoder) EncodeInterface(val interface{}, stream *Stream) { + e := (*emptyInterface)(unsafe.Pointer(&val)) + if encoder.onePtrOptimization { + if e.word == nil && encoder.onePtrEmbedded { + stream.WriteObjectStart() + stream.WriteObjectEnd() + return + } + ptr := uintptr(e.word) + e.word = unsafe.Pointer(&ptr) + } + if reflect.TypeOf(val).Kind() == reflect.Ptr { + encoder.Encode(unsafe.Pointer(&e.word), stream) + } else { + encoder.Encode(e.word, stream) + } +} + +func (encoder *structEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return false +} + +type emptyStructEncoder struct { +} + +func (encoder *emptyStructEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteEmptyObject() +} + +func (encoder *emptyStructEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *emptyStructEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return false +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_slice.go b/vendor/github.com/json-iterator/go/feature_reflect_slice.go new file mode 100644 index 0000000..7377eec --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_slice.go @@ -0,0 +1,149 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" + "unsafe" +) + +func decoderOfSlice(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + decoder, err := decoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + return &sliceDecoder{typ, typ.Elem(), decoder}, nil +} + +func encoderOfSlice(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + encoder, err := encoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + if typ.Elem().Kind() == reflect.Map { + encoder = &optionalEncoder{encoder} + } + return &sliceEncoder{typ, typ.Elem(), encoder}, nil +} + +type sliceEncoder struct { + sliceType reflect.Type + elemType reflect.Type + elemEncoder ValEncoder +} + +func (encoder *sliceEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + slice := (*sliceHeader)(ptr) + if slice.Data == nil { + stream.WriteNil() + return + } + if slice.Len == 0 { + stream.WriteEmptyArray() + return + } + stream.WriteArrayStart() + elemPtr := unsafe.Pointer(slice.Data) + encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream) + for i := 1; i < slice.Len; i++ { + stream.WriteMore() + elemPtr = unsafe.Pointer(uintptr(elemPtr) + encoder.elemType.Size()) + encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream) + } + stream.WriteArrayEnd() + if stream.Error != nil && stream.Error != io.EOF { + stream.Error = fmt.Errorf("%v: %s", encoder.sliceType, stream.Error.Error()) + } +} + +func (encoder *sliceEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *sliceEncoder) IsEmpty(ptr unsafe.Pointer) bool { + slice := (*sliceHeader)(ptr) + return slice.Len == 0 +} + +type sliceDecoder struct { + sliceType reflect.Type + elemType reflect.Type + elemDecoder ValDecoder +} + +// sliceHeader is a safe version of SliceHeader used within this package. +type sliceHeader struct { + Data unsafe.Pointer + Len int + Cap int +} + +func (decoder *sliceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + decoder.doDecode(ptr, iter) + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.sliceType, iter.Error.Error()) + } +} + +func (decoder *sliceDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) { + slice := (*sliceHeader)(ptr) + if iter.ReadNil() { + slice.Len = 0 + slice.Cap = 0 + slice.Data = nil + return + } + reuseSlice(slice, decoder.sliceType, 4) + slice.Len = 0 + offset := uintptr(0) + iter.ReadArrayCB(func(iter *Iterator) bool { + growOne(slice, decoder.sliceType, decoder.elemType) + decoder.elemDecoder.Decode(unsafe.Pointer(uintptr(slice.Data)+offset), iter) + offset += decoder.elemType.Size() + return true + }) +} + +// grow grows the slice s so that it can hold extra more values, allocating +// more capacity if needed. It also returns the old and new slice lengths. +func growOne(slice *sliceHeader, sliceType reflect.Type, elementType reflect.Type) { + newLen := slice.Len + 1 + if newLen <= slice.Cap { + slice.Len = newLen + return + } + newCap := slice.Cap + if newCap == 0 { + newCap = 1 + } else { + for newCap < newLen { + if slice.Len < 1024 { + newCap += newCap + } else { + newCap += newCap / 4 + } + } + } + newVal := reflect.MakeSlice(sliceType, newLen, newCap) + dst := unsafe.Pointer(newVal.Pointer()) + // copy old array into new array + originalBytesCount := uintptr(slice.Len) * elementType.Size() + srcPtr := (*[1 << 30]byte)(slice.Data) + dstPtr := (*[1 << 30]byte)(dst) + for i := uintptr(0); i < originalBytesCount; i++ { + dstPtr[i] = srcPtr[i] + } + slice.Data = dst + slice.Len = newLen + slice.Cap = newCap +} + +func reuseSlice(slice *sliceHeader, sliceType reflect.Type, expectedCap int) { + if expectedCap <= slice.Cap { + return + } + newVal := reflect.MakeSlice(sliceType, 0, expectedCap) + dst := unsafe.Pointer(newVal.Pointer()) + slice.Data = dst + slice.Cap = expectedCap +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_struct_decoder.go b/vendor/github.com/json-iterator/go/feature_reflect_struct_decoder.go new file mode 100644 index 0000000..b3417fd --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_struct_decoder.go @@ -0,0 +1,916 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" + "strings" + "unsafe" +) + +func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder) (ValDecoder, error) { + knownHash := map[int32]struct{}{ + 0: {}, + } + switch len(fields) { + case 0: + return &skipObjectDecoder{typ}, nil + case 1: + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + return &oneFieldStructDecoder{typ, fieldHash, fieldDecoder}, nil + } + case 2: + var fieldHash1 int32 + var fieldHash2 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldHash1 == 0 { + fieldHash1 = fieldHash + fieldDecoder1 = fieldDecoder + } else { + fieldHash2 = fieldHash + fieldDecoder2 = fieldDecoder + } + } + return &twoFieldsStructDecoder{typ, fieldHash1, fieldDecoder1, fieldHash2, fieldDecoder2}, nil + case 3: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } + } + return &threeFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3}, nil + case 4: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } + } + return &fourFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4}, nil + case 5: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } + } + return &fiveFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5}, nil + case 6: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } + } + return &sixFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6}, nil + case 7: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldName7 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + var fieldDecoder7 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else if fieldName6 == 0 { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } else { + fieldName7 = fieldHash + fieldDecoder7 = fieldDecoder + } + } + return &sevenFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6, + fieldName7, fieldDecoder7}, nil + case 8: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldName7 int32 + var fieldName8 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + var fieldDecoder7 *structFieldDecoder + var fieldDecoder8 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else if fieldName6 == 0 { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } else if fieldName7 == 0 { + fieldName7 = fieldHash + fieldDecoder7 = fieldDecoder + } else { + fieldName8 = fieldHash + fieldDecoder8 = fieldDecoder + } + } + return &eightFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6, + fieldName7, fieldDecoder7, fieldName8, fieldDecoder8}, nil + case 9: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldName7 int32 + var fieldName8 int32 + var fieldName9 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + var fieldDecoder7 *structFieldDecoder + var fieldDecoder8 *structFieldDecoder + var fieldDecoder9 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else if fieldName6 == 0 { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } else if fieldName7 == 0 { + fieldName7 = fieldHash + fieldDecoder7 = fieldDecoder + } else if fieldName8 == 0 { + fieldName8 = fieldHash + fieldDecoder8 = fieldDecoder + } else { + fieldName9 = fieldHash + fieldDecoder9 = fieldDecoder + } + } + return &nineFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6, + fieldName7, fieldDecoder7, fieldName8, fieldDecoder8, fieldName9, fieldDecoder9}, nil + case 10: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldName7 int32 + var fieldName8 int32 + var fieldName9 int32 + var fieldName10 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + var fieldDecoder7 *structFieldDecoder + var fieldDecoder8 *structFieldDecoder + var fieldDecoder9 *structFieldDecoder + var fieldDecoder10 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else if fieldName6 == 0 { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } else if fieldName7 == 0 { + fieldName7 = fieldHash + fieldDecoder7 = fieldDecoder + } else if fieldName8 == 0 { + fieldName8 = fieldHash + fieldDecoder8 = fieldDecoder + } else if fieldName9 == 0 { + fieldName9 = fieldHash + fieldDecoder9 = fieldDecoder + } else { + fieldName10 = fieldHash + fieldDecoder10 = fieldDecoder + } + } + return &tenFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6, + fieldName7, fieldDecoder7, fieldName8, fieldDecoder8, fieldName9, fieldDecoder9, + fieldName10, fieldDecoder10}, nil + } + return &generalStructDecoder{typ, fields}, nil +} + +type generalStructDecoder struct { + typ reflect.Type + fields map[string]*structFieldDecoder +} + +func (decoder *generalStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + fieldBytes := iter.readObjectFieldAsBytes() + field := *(*string)(unsafe.Pointer(&fieldBytes)) + fieldDecoder := decoder.fields[strings.ToLower(field)] + if fieldDecoder == nil { + iter.Skip() + } else { + fieldDecoder.Decode(ptr, iter) + } + for iter.nextToken() == ',' { + fieldBytes = iter.readObjectFieldAsBytes() + field = *(*string)(unsafe.Pointer(&fieldBytes)) + fieldDecoder = decoder.fields[strings.ToLower(field)] + if fieldDecoder == nil { + iter.Skip() + } else { + fieldDecoder.Decode(ptr, iter) + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type skipObjectDecoder struct { + typ reflect.Type +} + +func (decoder *skipObjectDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + valueType := iter.WhatIsNext() + if valueType != ObjectValue && valueType != NilValue { + iter.ReportError("skipObjectDecoder", "expect object or null") + return + } + iter.Skip() +} + +type oneFieldStructDecoder struct { + typ reflect.Type + fieldHash int32 + fieldDecoder *structFieldDecoder +} + +func (decoder *oneFieldStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + if iter.readFieldHash() == decoder.fieldHash { + decoder.fieldDecoder.Decode(ptr, iter) + } else { + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type twoFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder +} + +func (decoder *twoFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type threeFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder +} + +func (decoder *threeFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type fourFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder +} + +func (decoder *fourFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type fiveFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder +} + +func (decoder *fiveFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type sixFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder +} + +func (decoder *sixFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type sevenFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder + fieldHash7 int32 + fieldDecoder7 *structFieldDecoder +} + +func (decoder *sevenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + case decoder.fieldHash7: + decoder.fieldDecoder7.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type eightFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder + fieldHash7 int32 + fieldDecoder7 *structFieldDecoder + fieldHash8 int32 + fieldDecoder8 *structFieldDecoder +} + +func (decoder *eightFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + case decoder.fieldHash7: + decoder.fieldDecoder7.Decode(ptr, iter) + case decoder.fieldHash8: + decoder.fieldDecoder8.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type nineFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder + fieldHash7 int32 + fieldDecoder7 *structFieldDecoder + fieldHash8 int32 + fieldDecoder8 *structFieldDecoder + fieldHash9 int32 + fieldDecoder9 *structFieldDecoder +} + +func (decoder *nineFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + case decoder.fieldHash7: + decoder.fieldDecoder7.Decode(ptr, iter) + case decoder.fieldHash8: + decoder.fieldDecoder8.Decode(ptr, iter) + case decoder.fieldHash9: + decoder.fieldDecoder9.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type tenFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder + fieldHash7 int32 + fieldDecoder7 *structFieldDecoder + fieldHash8 int32 + fieldDecoder8 *structFieldDecoder + fieldHash9 int32 + fieldDecoder9 *structFieldDecoder + fieldHash10 int32 + fieldDecoder10 *structFieldDecoder +} + +func (decoder *tenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + case decoder.fieldHash7: + decoder.fieldDecoder7.Decode(ptr, iter) + case decoder.fieldHash8: + decoder.fieldDecoder8.Decode(ptr, iter) + case decoder.fieldHash9: + decoder.fieldDecoder9.Decode(ptr, iter) + case decoder.fieldHash10: + decoder.fieldDecoder10.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type structFieldDecoder struct { + field *reflect.StructField + fieldDecoder ValDecoder +} + +func (decoder *structFieldDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + fieldPtr := unsafe.Pointer(uintptr(ptr) + decoder.field.Offset) + decoder.fieldDecoder.Decode(fieldPtr, iter) + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%s: %s", decoder.field.Name, iter.Error.Error()) + } +} diff --git a/vendor/github.com/json-iterator/go/feature_stream.go b/vendor/github.com/json-iterator/go/feature_stream.go new file mode 100644 index 0000000..9c8470a --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_stream.go @@ -0,0 +1,305 @@ +package jsoniter + +import ( + "io" +) + +// Stream is a io.Writer like object, with JSON specific write functions. +// Error is not returned as return value, but stored as Error member on this stream instance. +type Stream struct { + cfg *frozenConfig + out io.Writer + buf []byte + n int + Error error + indention int +} + +// NewStream create new stream instance. +// cfg can be jsoniter.ConfigDefault. +// out can be nil if write to internal buffer. +// bufSize is the initial size for the internal buffer in bytes. +func NewStream(cfg API, out io.Writer, bufSize int) *Stream { + return &Stream{ + cfg: cfg.(*frozenConfig), + out: out, + buf: make([]byte, bufSize), + n: 0, + Error: nil, + indention: 0, + } +} + +// Pool returns a pool can provide more stream with same configuration +func (stream *Stream) Pool() StreamPool { + return stream.cfg +} + +// Reset reuse this stream instance by assign a new writer +func (stream *Stream) Reset(out io.Writer) { + stream.out = out + stream.n = 0 +} + +// Available returns how many bytes are unused in the buffer. +func (stream *Stream) Available() int { + return len(stream.buf) - stream.n +} + +// Buffered returns the number of bytes that have been written into the current buffer. +func (stream *Stream) Buffered() int { + return stream.n +} + +// Buffer if writer is nil, use this method to take the result +func (stream *Stream) Buffer() []byte { + return stream.buf[:stream.n] +} + +// Write writes the contents of p into the buffer. +// It returns the number of bytes written. +// If nn < len(p), it also returns an error explaining +// why the write is short. +func (stream *Stream) Write(p []byte) (nn int, err error) { + for len(p) > stream.Available() && stream.Error == nil { + if stream.out == nil { + stream.growAtLeast(len(p)) + } else { + var n int + if stream.Buffered() == 0 { + // Large write, empty buffer. + // Write directly from p to avoid copy. + n, stream.Error = stream.out.Write(p) + } else { + n = copy(stream.buf[stream.n:], p) + stream.n += n + stream.Flush() + } + nn += n + p = p[n:] + } + } + if stream.Error != nil { + return nn, stream.Error + } + n := copy(stream.buf[stream.n:], p) + stream.n += n + nn += n + return nn, nil +} + +// WriteByte writes a single byte. +func (stream *Stream) writeByte(c byte) { + if stream.Error != nil { + return + } + if stream.Available() < 1 { + stream.growAtLeast(1) + } + stream.buf[stream.n] = c + stream.n++ +} + +func (stream *Stream) writeTwoBytes(c1 byte, c2 byte) { + if stream.Error != nil { + return + } + if stream.Available() < 2 { + stream.growAtLeast(2) + } + stream.buf[stream.n] = c1 + stream.buf[stream.n+1] = c2 + stream.n += 2 +} + +func (stream *Stream) writeThreeBytes(c1 byte, c2 byte, c3 byte) { + if stream.Error != nil { + return + } + if stream.Available() < 3 { + stream.growAtLeast(3) + } + stream.buf[stream.n] = c1 + stream.buf[stream.n+1] = c2 + stream.buf[stream.n+2] = c3 + stream.n += 3 +} + +func (stream *Stream) writeFourBytes(c1 byte, c2 byte, c3 byte, c4 byte) { + if stream.Error != nil { + return + } + if stream.Available() < 4 { + stream.growAtLeast(4) + } + stream.buf[stream.n] = c1 + stream.buf[stream.n+1] = c2 + stream.buf[stream.n+2] = c3 + stream.buf[stream.n+3] = c4 + stream.n += 4 +} + +func (stream *Stream) writeFiveBytes(c1 byte, c2 byte, c3 byte, c4 byte, c5 byte) { + if stream.Error != nil { + return + } + if stream.Available() < 5 { + stream.growAtLeast(5) + } + stream.buf[stream.n] = c1 + stream.buf[stream.n+1] = c2 + stream.buf[stream.n+2] = c3 + stream.buf[stream.n+3] = c4 + stream.buf[stream.n+4] = c5 + stream.n += 5 +} + +// Flush writes any buffered data to the underlying io.Writer. +func (stream *Stream) Flush() error { + if stream.out == nil { + return nil + } + if stream.Error != nil { + return stream.Error + } + if stream.n == 0 { + return nil + } + n, err := stream.out.Write(stream.buf[0:stream.n]) + if n < stream.n && err == nil { + err = io.ErrShortWrite + } + if err != nil { + if n > 0 && n < stream.n { + copy(stream.buf[0:stream.n-n], stream.buf[n:stream.n]) + } + stream.n -= n + stream.Error = err + return err + } + stream.n = 0 + return nil +} + +func (stream *Stream) ensure(minimal int) { + available := stream.Available() + if available < minimal { + stream.growAtLeast(minimal) + } +} + +func (stream *Stream) growAtLeast(minimal int) { + if stream.out != nil { + stream.Flush() + } + toGrow := len(stream.buf) + if toGrow < minimal { + toGrow = minimal + } + newBuf := make([]byte, len(stream.buf)+toGrow) + copy(newBuf, stream.Buffer()) + stream.buf = newBuf +} + +// WriteRaw write string out without quotes, just like []byte +func (stream *Stream) WriteRaw(s string) { + stream.ensure(len(s)) + if stream.Error != nil { + return + } + n := copy(stream.buf[stream.n:], s) + stream.n += n +} + +// WriteNil write null to stream +func (stream *Stream) WriteNil() { + stream.writeFourBytes('n', 'u', 'l', 'l') +} + +// WriteTrue write true to stream +func (stream *Stream) WriteTrue() { + stream.writeFourBytes('t', 'r', 'u', 'e') +} + +// WriteFalse write false to stream +func (stream *Stream) WriteFalse() { + stream.writeFiveBytes('f', 'a', 'l', 's', 'e') +} + +// WriteBool write true or false into stream +func (stream *Stream) WriteBool(val bool) { + if val { + stream.WriteTrue() + } else { + stream.WriteFalse() + } +} + +// WriteObjectStart write { with possible indention +func (stream *Stream) WriteObjectStart() { + stream.indention += stream.cfg.indentionStep + stream.writeByte('{') + stream.writeIndention(0) +} + +// WriteObjectField write "field": with possible indention +func (stream *Stream) WriteObjectField(field string) { + stream.WriteString(field) + if stream.indention > 0 { + stream.writeTwoBytes(':', ' ') + } else { + stream.writeByte(':') + } +} + +// WriteObjectEnd write } with possible indention +func (stream *Stream) WriteObjectEnd() { + stream.writeIndention(stream.cfg.indentionStep) + stream.indention -= stream.cfg.indentionStep + stream.writeByte('}') +} + +// WriteEmptyObject write {} +func (stream *Stream) WriteEmptyObject() { + stream.writeByte('{') + stream.writeByte('}') +} + +// WriteMore write , with possible indention +func (stream *Stream) WriteMore() { + stream.writeByte(',') + stream.writeIndention(0) +} + +// WriteArrayStart write [ with possible indention +func (stream *Stream) WriteArrayStart() { + stream.indention += stream.cfg.indentionStep + stream.writeByte('[') + stream.writeIndention(0) +} + +// WriteEmptyArray write [] +func (stream *Stream) WriteEmptyArray() { + stream.writeByte('[') + stream.writeByte(']') +} + +// WriteArrayEnd write ] with possible indention +func (stream *Stream) WriteArrayEnd() { + stream.writeIndention(stream.cfg.indentionStep) + stream.indention -= stream.cfg.indentionStep + stream.writeByte(']') +} + +func (stream *Stream) writeIndention(delta int) { + if stream.indention == 0 { + return + } + stream.writeByte('\n') + toWrite := stream.indention - delta + stream.ensure(toWrite) + for i := 0; i < toWrite && stream.n < len(stream.buf); i++ { + stream.buf[stream.n] = ' ' + stream.n++ + } +} diff --git a/vendor/github.com/json-iterator/go/feature_stream_float.go b/vendor/github.com/json-iterator/go/feature_stream_float.go new file mode 100644 index 0000000..9a404e1 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_stream_float.go @@ -0,0 +1,96 @@ +package jsoniter + +import ( + "math" + "strconv" +) + +var pow10 []uint64 + +func init() { + pow10 = []uint64{1, 10, 100, 1000, 10000, 100000, 1000000} +} + +// WriteFloat32 write float32 to stream +func (stream *Stream) WriteFloat32(val float32) { + abs := math.Abs(float64(val)) + fmt := byte('f') + // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right. + if abs != 0 { + if float32(abs) < 1e-6 || float32(abs) >= 1e21 { + fmt = 'e' + } + } + stream.WriteRaw(strconv.FormatFloat(float64(val), fmt, -1, 32)) +} + +// WriteFloat32Lossy write float32 to stream with ONLY 6 digits precision although much much faster +func (stream *Stream) WriteFloat32Lossy(val float32) { + if val < 0 { + stream.writeByte('-') + val = -val + } + if val > 0x4ffffff { + stream.WriteFloat32(val) + return + } + precision := 6 + exp := uint64(1000000) // 6 + lval := uint64(float64(val)*float64(exp) + 0.5) + stream.WriteUint64(lval / exp) + fval := lval % exp + if fval == 0 { + return + } + stream.writeByte('.') + stream.ensure(10) + for p := precision - 1; p > 0 && fval < pow10[p]; p-- { + stream.writeByte('0') + } + stream.WriteUint64(fval) + for stream.buf[stream.n-1] == '0' { + stream.n-- + } +} + +// WriteFloat64 write float64 to stream +func (stream *Stream) WriteFloat64(val float64) { + abs := math.Abs(val) + fmt := byte('f') + // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right. + if abs != 0 { + if abs < 1e-6 || abs >= 1e21 { + fmt = 'e' + } + } + stream.WriteRaw(strconv.FormatFloat(float64(val), fmt, -1, 64)) +} + +// WriteFloat64Lossy write float64 to stream with ONLY 6 digits precision although much much faster +func (stream *Stream) WriteFloat64Lossy(val float64) { + if val < 0 { + stream.writeByte('-') + val = -val + } + if val > 0x4ffffff { + stream.WriteFloat64(val) + return + } + precision := 6 + exp := uint64(1000000) // 6 + lval := uint64(val*float64(exp) + 0.5) + stream.WriteUint64(lval / exp) + fval := lval % exp + if fval == 0 { + return + } + stream.writeByte('.') + stream.ensure(10) + for p := precision - 1; p > 0 && fval < pow10[p]; p-- { + stream.writeByte('0') + } + stream.WriteUint64(fval) + for stream.buf[stream.n-1] == '0' { + stream.n-- + } +} diff --git a/vendor/github.com/json-iterator/go/feature_stream_int.go b/vendor/github.com/json-iterator/go/feature_stream_int.go new file mode 100644 index 0000000..7cfd522 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_stream_int.go @@ -0,0 +1,320 @@ +package jsoniter + +var digits []uint32 + +func init() { + digits = make([]uint32, 1000) + for i := uint32(0); i < 1000; i++ { + digits[i] = (((i / 100) + '0') << 16) + ((((i / 10) % 10) + '0') << 8) + i%10 + '0' + if i < 10 { + digits[i] += 2 << 24 + } else if i < 100 { + digits[i] += 1 << 24 + } + } +} + +func writeFirstBuf(buf []byte, v uint32, n int) int { + start := v >> 24 + if start == 0 { + buf[n] = byte(v >> 16) + n++ + buf[n] = byte(v >> 8) + n++ + } else if start == 1 { + buf[n] = byte(v >> 8) + n++ + } + buf[n] = byte(v) + n++ + return n +} + +func writeBuf(buf []byte, v uint32, n int) { + buf[n] = byte(v >> 16) + buf[n+1] = byte(v >> 8) + buf[n+2] = byte(v) +} + +// WriteUint8 write uint8 to stream +func (stream *Stream) WriteUint8(val uint8) { + stream.ensure(3) + stream.n = writeFirstBuf(stream.buf, digits[val], stream.n) +} + +// WriteInt8 write int8 to stream +func (stream *Stream) WriteInt8(nval int8) { + stream.ensure(4) + n := stream.n + var val uint8 + if nval < 0 { + val = uint8(-nval) + stream.buf[n] = '-' + n++ + } else { + val = uint8(nval) + } + stream.n = writeFirstBuf(stream.buf, digits[val], n) +} + +// WriteUint16 write uint16 to stream +func (stream *Stream) WriteUint16(val uint16) { + stream.ensure(5) + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], stream.n) + return + } + r1 := val - q1*1000 + n := writeFirstBuf(stream.buf, digits[q1], stream.n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return +} + +// WriteInt16 write int16 to stream +func (stream *Stream) WriteInt16(nval int16) { + stream.ensure(6) + n := stream.n + var val uint16 + if nval < 0 { + val = uint16(-nval) + stream.buf[n] = '-' + n++ + } else { + val = uint16(nval) + } + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + n = writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return +} + +// WriteUint32 write uint32 to stream +func (stream *Stream) WriteUint32(val uint32) { + stream.ensure(10) + n := stream.n + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + q2 := q1 / 1000 + if q2 == 0 { + n := writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return + } + r2 := q1 - q2*1000 + q3 := q2 / 1000 + if q3 == 0 { + n = writeFirstBuf(stream.buf, digits[q2], n) + } else { + r3 := q2 - q3*1000 + stream.buf[n] = byte(q3 + '0') + n++ + writeBuf(stream.buf, digits[r3], n) + n += 3 + } + writeBuf(stream.buf, digits[r2], n) + writeBuf(stream.buf, digits[r1], n+3) + stream.n = n + 6 +} + +// WriteInt32 write int32 to stream +func (stream *Stream) WriteInt32(nval int32) { + stream.ensure(11) + n := stream.n + var val uint32 + if nval < 0 { + val = uint32(-nval) + stream.buf[n] = '-' + n++ + } else { + val = uint32(nval) + } + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + q2 := q1 / 1000 + if q2 == 0 { + n := writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return + } + r2 := q1 - q2*1000 + q3 := q2 / 1000 + if q3 == 0 { + n = writeFirstBuf(stream.buf, digits[q2], n) + } else { + r3 := q2 - q3*1000 + stream.buf[n] = byte(q3 + '0') + n++ + writeBuf(stream.buf, digits[r3], n) + n += 3 + } + writeBuf(stream.buf, digits[r2], n) + writeBuf(stream.buf, digits[r1], n+3) + stream.n = n + 6 +} + +// WriteUint64 write uint64 to stream +func (stream *Stream) WriteUint64(val uint64) { + stream.ensure(20) + n := stream.n + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + q2 := q1 / 1000 + if q2 == 0 { + n := writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return + } + r2 := q1 - q2*1000 + q3 := q2 / 1000 + if q3 == 0 { + n = writeFirstBuf(stream.buf, digits[q2], n) + writeBuf(stream.buf, digits[r2], n) + writeBuf(stream.buf, digits[r1], n+3) + stream.n = n + 6 + return + } + r3 := q2 - q3*1000 + q4 := q3 / 1000 + if q4 == 0 { + n = writeFirstBuf(stream.buf, digits[q3], n) + writeBuf(stream.buf, digits[r3], n) + writeBuf(stream.buf, digits[r2], n+3) + writeBuf(stream.buf, digits[r1], n+6) + stream.n = n + 9 + return + } + r4 := q3 - q4*1000 + q5 := q4 / 1000 + if q5 == 0 { + n = writeFirstBuf(stream.buf, digits[q4], n) + writeBuf(stream.buf, digits[r4], n) + writeBuf(stream.buf, digits[r3], n+3) + writeBuf(stream.buf, digits[r2], n+6) + writeBuf(stream.buf, digits[r1], n+9) + stream.n = n + 12 + return + } + r5 := q4 - q5*1000 + q6 := q5 / 1000 + if q6 == 0 { + n = writeFirstBuf(stream.buf, digits[q5], n) + } else { + n = writeFirstBuf(stream.buf, digits[q6], n) + r6 := q5 - q6*1000 + writeBuf(stream.buf, digits[r6], n) + n += 3 + } + writeBuf(stream.buf, digits[r5], n) + writeBuf(stream.buf, digits[r4], n+3) + writeBuf(stream.buf, digits[r3], n+6) + writeBuf(stream.buf, digits[r2], n+9) + writeBuf(stream.buf, digits[r1], n+12) + stream.n = n + 15 +} + +// WriteInt64 write int64 to stream +func (stream *Stream) WriteInt64(nval int64) { + stream.ensure(20) + n := stream.n + var val uint64 + if nval < 0 { + val = uint64(-nval) + stream.buf[n] = '-' + n++ + } else { + val = uint64(nval) + } + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + q2 := q1 / 1000 + if q2 == 0 { + n := writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return + } + r2 := q1 - q2*1000 + q3 := q2 / 1000 + if q3 == 0 { + n = writeFirstBuf(stream.buf, digits[q2], n) + writeBuf(stream.buf, digits[r2], n) + writeBuf(stream.buf, digits[r1], n+3) + stream.n = n + 6 + return + } + r3 := q2 - q3*1000 + q4 := q3 / 1000 + if q4 == 0 { + n = writeFirstBuf(stream.buf, digits[q3], n) + writeBuf(stream.buf, digits[r3], n) + writeBuf(stream.buf, digits[r2], n+3) + writeBuf(stream.buf, digits[r1], n+6) + stream.n = n + 9 + return + } + r4 := q3 - q4*1000 + q5 := q4 / 1000 + if q5 == 0 { + n = writeFirstBuf(stream.buf, digits[q4], n) + writeBuf(stream.buf, digits[r4], n) + writeBuf(stream.buf, digits[r3], n+3) + writeBuf(stream.buf, digits[r2], n+6) + writeBuf(stream.buf, digits[r1], n+9) + stream.n = n + 12 + return + } + r5 := q4 - q5*1000 + q6 := q5 / 1000 + if q6 == 0 { + n = writeFirstBuf(stream.buf, digits[q5], n) + } else { + stream.buf[n] = byte(q6 + '0') + n++ + r6 := q5 - q6*1000 + writeBuf(stream.buf, digits[r6], n) + n += 3 + } + writeBuf(stream.buf, digits[r5], n) + writeBuf(stream.buf, digits[r4], n+3) + writeBuf(stream.buf, digits[r3], n+6) + writeBuf(stream.buf, digits[r2], n+9) + writeBuf(stream.buf, digits[r1], n+12) + stream.n = n + 15 +} + +// WriteInt write int to stream +func (stream *Stream) WriteInt(val int) { + stream.WriteInt64(int64(val)) +} + +// WriteUint write uint to stream +func (stream *Stream) WriteUint(val uint) { + stream.WriteUint64(uint64(val)) +} diff --git a/vendor/github.com/json-iterator/go/feature_stream_string.go b/vendor/github.com/json-iterator/go/feature_stream_string.go new file mode 100644 index 0000000..334282f --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_stream_string.go @@ -0,0 +1,396 @@ +package jsoniter + +import ( + "unicode/utf8" +) + +// htmlSafeSet holds the value true if the ASCII character with the given +// array position can be safely represented inside a JSON string, embedded +// inside of HTML