2007-01-11 15:05:30 -05:00

128 lines
4.3 KiB
Python
Executable File

import _base
from xml.dom import minidom, Node
import re
illegal_xml_chars = re.compile("[\x01-\x08\x0B\x0C\x0E-\x1F]")
class AttrList:
def __init__(self, element):
self.element = element
def __iter__(self):
return self.element.attributes.items().__iter__()
def __setitem__(self, name, value):
value=illegal_xml_chars.sub(u'\uFFFD',value)
self.element.setAttribute(name, value)
def items(self):
return self.element.attributes.items()
class NodeBuilder(_base.Node):
def __init__(self, element):
_base.Node.__init__(self, element.nodeName)
self.element = element
def appendChild(self, node):
node.parent = self
self.element.appendChild(node.element)
def insertText(self, data, insertBefore=None):
data=illegal_xml_chars.sub(u'\uFFFD',data)
text = self.element.ownerDocument.createTextNode(data)
if insertBefore:
self.element.insertBefore(text, insertBefore.element)
else:
self.element.appendChild(text)
def insertBefore(self, node, refNode):
self.element.insertBefore(node.element, refNode.element)
node.parent = self
def removeChild(self, node):
self.element.removeChild(node.element)
node.parent = None
def reparentChildren(self, newParent):
while self.element.hasChildNodes():
child = self.element.firstChild
self.element.removeChild(child)
newParent.element.appendChild(child)
self.childNodes = []
def getAttributes(self):
return AttrList(self.element)
def setAttributes(self, attributes):
if attributes:
for name, value in attributes.items():
value=illegal_xml_chars.sub(u'\uFFFD',value)
self.element.setAttribute(name, value)
attributes = property(getAttributes, setAttributes)
def cloneNode(self):
return NodeBuilder(self.element.cloneNode(False))
def hasContent(self):
return self.element.hasChildNodes()
class TreeBuilder(_base.TreeBuilder):
def documentClass(self):
self.dom = minidom.getDOMImplementation().createDocument(None,None,None)
return self
def doctypeClass(self,name):
domimpl = minidom.getDOMImplementation()
return NodeBuilder(domimpl.createDocumentType(name,None,None))
def elementClass(self, name):
return NodeBuilder(self.dom.createElement(name))
def commentClass(self, data):
return NodeBuilder(self.dom.createComment(data))
def appendChild(self, node):
self.dom.appendChild(node.element)
def testSerializer(self, element):
return testSerializer(element)
def getDocument(self):
return self.dom
def insertText(self, data, parent=None):
data=illegal_xml_chars.sub(u'\uFFFD',data)
if parent <> self:
_base.TreeBuilder.insertText(self, data, parent)
else:
# HACK: allow text nodes as children of the document node
if hasattr(self.dom, '_child_node_types'):
if not Node.TEXT_NODE in self.dom._child_node_types:
self.dom._child_node_types=list(self.dom._child_node_types)
self.dom._child_node_types.append(Node.TEXT_NODE)
self.dom.appendChild(self.dom.createTextNode(data))
name = None
def testSerializer(element):
element.normalize()
rv = []
def serializeElement(element, indent=0):
if element.nodeType == Node.DOCUMENT_TYPE_NODE:
rv.append("|%s<!DOCTYPE %s>"%(' '*indent, element.name))
elif element.nodeType == Node.DOCUMENT_NODE:
rv.append("#document")
elif element.nodeType == Node.COMMENT_NODE:
rv.append("|%s<!-- %s -->"%(' '*indent, element.nodeValue))
elif element.nodeType == Node.TEXT_NODE:
rv.append("|%s\"%s\"" %(' '*indent, element.nodeValue))
else:
rv.append("|%s<%s>"%(' '*indent, element.nodeName))
if element.hasAttributes():
for name, value in element.attributes.items():
rv.append('|%s%s="%s"' % (' '*(indent+2), name, value))
indent += 2
for child in element.childNodes:
serializeElement(child, indent)
serializeElement(element, 0)
return "\n".join(rv)