<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>length-spec</title><link rel="stylesheet" type="text/css" href="../reference.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><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="length-units.html" title="length-units"><link rel="next" href="length-in-points.html" title="length-in-points"><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">length-spec</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="length-units.html">Prev</a> </td><th width="60%" align="center">General Library Templates</th><td width="20%" align="right"> <a accesskey="n" href="length-in-points.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="length-spec"></a><div class="titlepage"></div> <div class="refnamediv"><h2>length-spec</h2><p> length-spec — Return a fully qualified length specification </p></div> <div class="refsect1"><a name="idp9534160"></a><h2>Description</h2> <p>The <code class="function">length-spec</code> template returns the qualified length from a dimension. If an unqualified length is given, the <a href="../fo/default.units.html"><em class="parameter"><code>default.units</code></em></a> will be added to it. </p> <a name="length-spec.frag"></a><pre class="programlisting"> <xsl:template name="length-spec"> <xsl:param name="length" select="'0pt'"></xsl:param> <xsl:param name="default.units" select="'px'"></xsl:param> <xsl:variable name="magnitude"> <xsl:call-template name="length-magnitude"> <xsl:with-param name="length" select="$length"></xsl:with-param> </xsl:call-template> </xsl:variable> <xsl:variable name="units"> <xsl:value-of select="substring($length, string-length($magnitude)+1)"></xsl:value-of> </xsl:variable> <xsl:value-of select="$magnitude"></xsl:value-of> <xsl:choose> <xsl:when test="$units='cm' or $units='mm' or $units='in' or $units='pt' or $units='pc' or $units='px' or $units='em'"> <xsl:value-of select="$units"></xsl:value-of> </xsl:when> <xsl:when test="$units = ''"> <xsl:value-of select="$default.units"></xsl:value-of> </xsl:when> <xsl:otherwise> <xsl:message> <xsl:text>Unrecognized unit of measure: </xsl:text> <xsl:value-of select="$units"></xsl:value-of> <xsl:text>.</xsl:text> </xsl:message> </xsl:otherwise> </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="length-units.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-in-points.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">length-units </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> length-in-points</td></tr></table></div></body></html>