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RSS 2.0 template in XSLT format

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This commit is contained in:
Sam Ruby 2006-10-20 12:40:03 -04:00
parent 6244c1f49a
commit e1b6a5ee83
3 changed files with 240 additions and 1 deletions
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1
THANKS
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@ -8,6 +8,7 @@ Joe Gregorio - Invoke same version of Python for filters
Harry Fuecks - Pipe characters in file names, filter bug Harry Fuecks - Pipe characters in file names, filter bug
Eric van der Vlist - Filters to add language, category information Eric van der Vlist - Filters to add language, category information
Chris Dolan - mkdir cache; default template_dirs; fix xsltproc Chris Dolan - mkdir cache; default template_dirs; fix xsltproc
David Sifry - rss 2.0 xslt template based on http://atom.geekhood.net/
This codebase represents a radical refactoring of Planet 2.0, which lists This codebase represents a radical refactoring of Planet 2.0, which lists
the following contributors: the following contributors:

2
docs/config.html
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@ -50,7 +50,7 @@ are either new or implemented differently by Venus</ins>.</p>
</dl> </dl>
<dl class="compact code"> <dl class="compact code">
<dt><ins>theme</ins></dt> <dt><ins>output_theme</ins></dt>
<dd>Directory containing a <code>config.ini</code> file which is merged <dd>Directory containing a <code>config.ini</code> file which is merged
with this one. This is typically used to specify templating and bill of with this one. This is typically used to specify templating and bill of
material information.</dd> material information.</dd>

238
themes/common/rss20.xml.xslt Normal file
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@ -0,0 +1,238 @@
<?xml version="1.0" encoding="UTF-8" ?>
<!-- Released under CC lincense http://creativecommons.org/licenses/by/2.5/ -->
<!-- Feeds generated using this stylesheet (or it's derivatives) must put http://atom.geekhood.net in <generator> element -->
<!-- This is a derivative in that it was modified by Gene McCulley to support his blog. -->
<x:stylesheet version="1.0"
exclude-result-prefixes="atom xhtml date planet"
xmlns:x="http://www.w3.org/1999/XSL/Transform"
xmlns:planet="http://planet.intertwingly.net/"
xmlns:atom="http://www.w3.org/2005/Atom"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:date="http://exslt.org/dates-and-times"
xmlns:xhtml="http://www.w3.org/1999/xhtml">
<x:output encoding="UTF-8" indent="yes" method="xml" />
<x:template match="/atom:feed">
<rss version="2.0">
<channel>
<x:if test="//@xml:lang">
<language><x:value-of select="//@xml:lang[1]" /></language>
</x:if>
<description>
<x:choose>
<x:when test="atom:subtitle"><x:apply-templates select="atom:subtitle" mode="asHTML"/></x:when>
<x:otherwise>
<!-- this sucks -->
<x:apply-templates select="atom:title" mode="asHTML"/> (converted from Atom 1.0)
</x:otherwise>
</x:choose>
</description>
<x:choose>
<x:when test="atom:logo"><image><x:apply-templates select="atom:logo" mode="image"/></image></x:when>
<x:when test="atom:icon"><image><x:apply-templates select="atom:icon" mode="image"/></image></x:when>
</x:choose>
<x:apply-templates />
<generator><x:if test="atom:generator"><x:apply-templates select="atom:generator" mode="gen"/> + </x:if>Atom 1.0 XSLT Transform v1 (http://atom.geekhood.net/)</generator>
</channel>
</rss>
</x:template>
<!-- simple losless conversions -->
<x:template match="atom:contributor">
<dc:contributor><x:call-template name="person" /></dc:contributor>
</x:template>
<x:template match="atom:title">
<title><x:call-template name="asHTML" /></title>
</x:template>
<x:template match="atom:generator"/>
<x:template match="atom:generator" mode="gen">
<x:apply-templates mode="asText"/> <x:if test="@version"> v<x:value-of select="@version"/></x:if> <x:if test="@uri"> (<x:value-of select="@uri"/>)</x:if>
</x:template>
<x:template match="atom:entry/atom:published"><pubDate><x:call-template name="rfc822Date"><x:with-param name="isoDate" select="."/></x:call-template></pubDate></x:template>
<x:template match="atom:entry/atom:updated"></x:template>
<x:template match="atom:feed/atom:updated"><pubDate><x:call-template name="rfc822Date"><x:with-param name="isoDate" select="."/></x:call-template></pubDate></x:template>
<x:template match="atom:rights"><copyright><x:apply-templates /></copyright></x:template>
<x:template match="atom:link[not(@rel) or @rel='alternate']"><link><x:value-of select="@href"/></link></x:template>
<x:template match="atom:link[@rel='enclosure']"><enclosure url="{@href}" type="{@type}" length="{@length}"/></x:template>
<x:template match="atom:entry/atom:id">
<guid>
<x:if test="not(. = ../atom:link[@rel='alternate']/@href) and not(. = ../atom:link[@rel='permalink']/@href) and not(. = ../atom:link[not(@rel)]/@href)">
<x:attribute name="isPermaLink">false</x:attribute>
</x:if>
<x:apply-templates />
</guid>
</x:template>
<!-- dodgy conversions -->
<x:template match="atom:icon|atom:logo"/><!-- merged into rss:image -->
<x:template match="atom:icon|atom:logo" mode="image">
<url><x:value-of select="."/></url>
<x:if test="../atom:title"><title><x:apply-templates select="../atom:title" mode="asText" /></title></x:if>
<x:if test="../atom:link[not(@rel) or @rel='alternate']"><link><x:value-of select="../atom:link[not(@rel) or @rel='alternate'][1]/@href"/></link></x:if>
</x:template>
<x:template name="person">
<x:choose>
<x:when test="atom:email"><x:value-of select="atom:email"/></x:when>
<x:when test="/atom:feed/atom:author[./atom:email][1]/atom:email"><x:value-of select="/atom:feed/atom:author[./atom:email][1]/atom:email"/></x:when>
</x:choose>
(<x:value-of select="atom:name"/><x:if test="@uri"> <x:value-of select="uri"/></x:if>)
</x:template>
<x:template match="atom:author[contains(./atom:email,'webmaster')][1]">
<webMaster>
<x:call-template name="person" />
</webMaster>
</x:template>
<x:template match="atom:subtitle"/>
<x:template match="atom:source">
<source url="{atom:link[@rel='self']/@href}"><x:apply-templates select="atom:title" mode="asText"/></source>
</x:template>
<!-- lossy conversion -->
<x:template match="atom:feed/atom:id"/>
<x:template match="atom:feed/atom:link[@rel='self']"><x:comment> source: <x:value-of select="@href"/><x:text> </x:text></x:comment></x:template>
<x:template match="atom:category"><!-- label gets lost -->
<category>
<x:if test="@scheme">
<x:attribute name="domain"><x:value-of select="@scheme"/></x:attribute>
</x:if>
<x:value-of select="@term"/>
<x:if test="@label and not(@label = @term)"><x:comment><x:value-of select="@label"/></x:comment></x:if>
</category>
</x:template>
<!-- entry -->
<x:template match="atom:summary|atom:content"/>
<x:template match="atom:entry">
<item>
<x:choose>
<x:when test="atom:summary"><description><x:apply-templates select="atom:summary" mode="asHTML"/> <x:if test="atom:content"> (...)</x:if></description></x:when>
<x:when test="atom:content"><description><x:apply-templates select="atom:content" mode="asHTML"/></description></x:when>
</x:choose>
<x:apply-templates/>
<x:if test="not(atom:source) and /atom:feed/atom:link[@rel='self']">
<source url="{/atom:feed/atom:link[@rel='self']/@href}">
<x:choose>
<x:when test="/atom:feed/atom:link[@rel='self' and @title]"><x:value-of select="/atom:feed/atom:link[@rel='self']/@title"/></x:when>
<x:otherwise><x:apply-templates select="/atom:feed/atom:title" mode="asText"/></x:otherwise>
</x:choose>
</source>
</x:if>
<x:apply-templates select="atom:source/atom:category"/>
<x:if test="not(atom:copyright)"><x:apply-templates select="atom:source/atom:copyright"/></x:if>
<x:if test="not(atom:author)"><x:apply-templates select="atom:source/atom:author"/></x:if>
<x:if test="not(atom:contributor)"><x:apply-templates select="atom:source/atom:contributor"/></x:if>
<x:if test="not(atom:updated)"><x:apply-templates select="atom:source/atom:updated"/></x:if>
</item>
</x:template>
<!-- santas little helpers -->
<x:template match="*" mode="asHTML"><x:call-template name="asHTML"/></x:template>
<x:template name="asHTML">
<x:choose>
<x:when test="@type='xhtml'">
<x:apply-templates select="xhtml:div" mode="xhtml2html" />
</x:when>
<x:when test="@type='html'"><x:value-of select="." /></x:when>
<x:otherwise>
<x:text disable-output-escaping="yes">&lt;![CDATA[</x:text>
<x:value-of select="." />
<x:text disable-output-escaping="yes">]]&gt;</x:text>
</x:otherwise>
</x:choose>
</x:template>
<x:template match="*[@type='html' or @type='text/html']" mode="asText">
<x:call-template name="removeHtml"><x:with-param name="text" select="."/></x:call-template>
</x:template>
<x:template match="*" mode="asText">
<x:value-of select="."/>
</x:template>
<!-- html 2 text (primitive method) -->
<x:template name="removeHtml">
<x:param name="text"/>
<x:choose>
<x:when test="contains($text, '&lt;') and contains(substring-after($text, '&lt;'),'&gt;')">
<x:value-of select="substring-before($text, '&lt;')"/>
<x:call-template name="removeHtml">
<x:with-param name="text" select="substring-after(substring-after($text,'&lt;'),'&gt;')"/>
</x:call-template>
</x:when>
<x:otherwise>
<x:value-of select="$text"/>
</x:otherwise>
</x:choose>
</x:template>
<!-- xhtml 2 html -->
<x:template match="xhtml:img|xhtml:br|xhtml:hr|xhtml:input|xhtml:col|xhtml:area|xhtml:input|xhtml:link|xhtml:meta|xhtml:param" mode="xhtml2html">
&lt;<x:value-of select="local-name(.)"/><x:apply-templates select="@*" mode="xhtml2html"/>&gt;<x:apply-templates mode="xhtml2html"/>
</x:template>
<x:template match='xhtml:*' mode="xhtml2html">
&lt;<x:value-of select="local-name(.)"/><x:apply-templates select="@*" mode="xhtml2html"/>&gt;<x:apply-templates mode="xhtml2html"/>&lt;/<x:value-of select="local-name(.)"/>&gt;
</x:template>
<x:template match='@*' mode="xhtml2html">
<x:text> </x:text><x:value-of select="local-name(.)"/>="<x:value-of select="."/>"</x:template>
<x:template match='node()' mode="xhtml2html">
<x:choose>
<x:when test="contains(.,'&amp;') or contains(.,'&lt;')">
<x:text disable-output-escaping="yes">&lt;![CDATA[</x:text>
<x:value-of select="." />
<x:text disable-output-escaping="yes">]]&gt;</x:text>
</x:when>
<x:otherwise>
<x:value-of select="."/>
</x:otherwise>
</x:choose>
</x:template>
<!-- copy extensions -->
<x:template match='*'>
<x:comment>Unknown element <x:value-of select="local-name(.)"/></x:comment>
<x:copy>
<x:copy-of select='node()|@*'/>
</x:copy>
</x:template>
<!-- Converts a date in ISO 8601 format into a date in RFC 822 format -->
<x:template name="rfc822Date">
<x:param name="isoDate"/>
<x:value-of select="date:day-abbreviation($isoDate)"/>, <x:value-of select="format-number(date:day-in-month($isoDate), '00')"/><x:text> </x:text>
<x:value-of select="date:month-abbreviation($isoDate)"/><x:text> </x:text>
<x:value-of select="date:year($isoDate)"/><x:text> </x:text>
<!-- the timezone offset is currently hardcoded needs to be fixed -->
<x:value-of select="format-number(date:hour-in-day($isoDate), '00')"/>:<x:value-of select="format-number(date:minute-in-hour($isoDate), '00')"/>:<x:value-of select="format-number(date:second-in-minute($isoDate), '00')"/> GMT
</x:template>
<!-- strip planet elements and attributes -->
<x:template match="planet:*|@planet:*"/>
</x:stylesheet>