Edit file File name : idref.html Content :<html><head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>idref</title><link rel="stylesheet" type="text/css" href="../reference.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.2"><link rel="home" href="../index.html" title="DocBook XSL Stylesheets: Reference Documentation"><link rel="up" href="generallibrary.html" title="General Library Templates"><link rel="prev" href="xpointer.idref.html" title="xpointer.idref"><link rel="next" href="length-magnitude.html" title="length-magnitude"><link rel="copyright" href="copyright.html" title="License"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">idref</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="xpointer.idref.html">Prev</a> </td><th width="60%" align="center">General Library Templates</th><td width="20%" align="right"> <a accesskey="n" href="length-magnitude.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="idref"></a><div class="titlepage"></div><div class="refnamediv"><h2>idref</h2><p>idref — Extract IDREF from a linking element</p></div><div class="refsect1"><a name="d0e33268"></a><h2>Description</h2><p>The <code class="function">idref</code> template accepts any <code class="sgmltag-element">xref</code> or universally linking element as a parameter and returns the local ID that it points to. If it has a <code class="sgmltag-attribute">linkend</code> attribute, it returns that value. If it has a <code class="sgmltag-attribute">xlink:href</code>, it returns that value, parsed as needed to extract just the id reference. Otherwise it returns an empty string.</p><a name="idref.frag"></a><pre class="programlisting"> <xsl:template name="idref"> <xsl:param name="xref" select="."></xsl:param> <xsl:param name="linkend" select="$xref/@linkend"></xsl:param> <xsl:param name="xpointer"> <xsl:call-template name="xpointer.idref"> <xsl:with-param name="xpointer" select="$xref/@xlink:href"></xsl:with-param> </xsl:call-template> </xsl:param> <xsl:choose> <xsl:when test="string-length($linkend) != 0"> <xsl:value-of select="$linkend"></xsl:value-of> </xsl:when> <xsl:when test="string-length($xpointer) != 0"> <xsl:value-of select="$xpointer"></xsl:value-of> </xsl:when> <!-- otherwise it's a pointer to some other document --> </xsl:choose> </xsl:template> </pre></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="xpointer.idref.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="generallibrary.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="length-magnitude.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">xpointer.idref </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> length-magnitude</td></tr></table></div></body></html> Save