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-rw-r--r--website/rss.xsl143
1 files changed, 143 insertions, 0 deletions
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+<?xml version="1.0"?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ xmlns:rss="http://purl.org/rss/1.0/"
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+ xmlns:cvsf="http://nwalsh.com/xslt/ext/com.nwalsh.saxon.CVS"
+ xmlns:cvs="http://nwalsh.com/rdf/cvs#"
+ xmlns:dc="http://purl.org/dc/elements/1.1/"
+ exclude-result-prefixes="rss rdf cvs dc cvsf"
+ version="1.0">
+
+<xsl:output method="html"/>
+
+<xsl:template match="rss">
+ <xsl:variable name="rss" select="document(@feed, .)"/>
+
+ <div class='rss'>
+ <xsl:choose>
+ <xsl:when test="not($rss)">
+ <xsl:message>RSS Failed: <xsl:value-of select="@feed"/></xsl:message>
+ <xsl:text>[RSS Failed: </xsl:text>
+ <xsl:value-of select="@feed"/>
+ </xsl:when>
+ <xsl:when test="$rss/rdf:RDF">
+ <xsl:apply-templates select="$rss/*/rss:channel"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <!-- is there an otherwise case? -->
+ <xsl:apply-templates select="$rss//rss:channel"/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </div>
+</xsl:template>
+
+<xsl:template match="rss:channel">
+ <xsl:variable name="image-resource" select="rss:image/@rdf:resource"/>
+ <xsl:variable name="image" select="//rss:image[@rdf:about = $image-resource]"/>
+
+ <xsl:if test="$image">
+ <xsl:choose>
+ <xsl:when test="$image/rss:link">
+ <a href="{$image/rss:link}">
+ <img src="{$image/rss:url}" alt="{$image/rss:title}" align="right" border="0"/>
+ </a>
+ </xsl:when>
+ <xsl:otherwise>
+ <img src="{$image/rss:url}" alt="{$image/rss:title}" align="right"/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:if>
+
+ <xsl:apply-templates select="rss:title"/>
+ <xsl:apply-templates select="rss:description"/>
+ <xsl:apply-templates select="rss:items"/>
+
+ <xsl:if test="$image">
+ <br clear="right"/>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="rss:title">
+ <xsl:param name="wrapper" select="'h3'"/>
+
+ <xsl:element name="{$wrapper}">
+ <xsl:choose>
+ <xsl:when test="../rss:link">
+ <a href="{../rss:link[1]}">
+ <xsl:apply-templates/>
+ </a>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:apply-templates/>
+ </xsl:otherwise>
+ </xsl:choose>
+
+ <xsl:if test="../dc:date|../cvs:date">
+ <xsl:choose>
+ <xsl:when test="../dc:date">
+ <xsl:text> (</xsl:text>
+ <xsl:value-of select="../dc:date[1]"/>
+ <xsl:text>)</xsl:text>
+ </xsl:when>
+ <xsl:when test="function-available('cvsf:localTime')">
+ <xsl:variable name="timeString" select="cvsf:localTime(../cvs:date[1])"/>
+ <xsl:text> (</xsl:text>
+ <xsl:value-of select="substring($timeString, 1, 3)"/>
+ <xsl:text>, </xsl:text>
+ <xsl:value-of select="substring($timeString, 9, 2)"/>
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="substring($timeString, 5, 3)"/>
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="substring($timeString, 25, 4)"/>
+ <xsl:text>)</xsl:text>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="../cvs:date[1]"/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:if>
+ </xsl:element>
+</xsl:template>
+
+<xsl:template match="rss:description">
+ <p>
+ <xsl:apply-templates/>
+ </p>
+</xsl:template>
+
+<xsl:template match="rss:items">
+ <dl>
+ <xsl:for-each select="rdf:Seq/rdf:li[@rdf:resource and @rdf:resource != '']">
+ <xsl:variable name="resource" select="@rdf:resource"/>
+ <xsl:variable name="item" select="//rss:item[@rdf:about = $resource]"/>
+ <xsl:if test="not($item)">
+ <xsl:message>
+ <xsl:text>RSS Warning: there is no item labelled: </xsl:text>
+ <xsl:value-of select="$resource"/>
+ </xsl:message>
+ </xsl:if>
+ <xsl:if test="count($item) &gt; 1">
+ <xsl:message>
+ <xsl:text>RSS Warning: there is more than one item labelled: </xsl:text>
+ <xsl:value-of select="$resource"/>
+ </xsl:message>
+ </xsl:if>
+ <xsl:apply-templates select="$item"/>
+ </xsl:for-each>
+ </dl>
+</xsl:template>
+
+<xsl:template match="rss:item">
+ <xsl:message>RSS item: <xsl:value-of select="rss:title"/></xsl:message>
+
+ <xsl:apply-templates select="rss:title">
+ <xsl:with-param name="wrapper" select="'dt'"/>
+ </xsl:apply-templates>
+ <xsl:if test="rss:description">
+ <dd>
+ <xsl:apply-templates select="rss:description"/>
+ </dd>
+ </xsl:if>
+</xsl:template>
+
+</xsl:stylesheet>