X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/bfec9cc7ab5a396f7662090b208691ec59a69f1b..2f1753cc3e240fa497a87873ed19fe3f11e22331:/doc/xslt/website/rss.xsl

diff --git a/doc/xslt/website/rss.xsl b/doc/xslt/website/rss.xsl
new file mode 100644
index 00000000..4f27a247
--- /dev/null
+++ b/doc/xslt/website/rss.xsl
@@ -0,0 +1,143 @@
+<?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>