Subject: [xsl] efficient use of key element and function From: Manfred Staudinger <manfred.staudinger@xxxxxxxxx> Date: Tue, 6 Sep 2005 20:26:49 +0200 |
Hi all, Given a rather long list of unique names I want to know for a certain name if it is on that list. The stylesheet below does this, but is this the best (most efficient) solution? In the most common case around 95% of the names will be found. - is the key element correct (I have no use for @use)? - should I sort the names? In the real stylesheet the names represent files and are used to avoid a file-not-found for doc(). They are retrieved by means of collection(). <?xml version="1.0" encoding="UTF-8" ?> <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:key name="find" match="*" use="."/> <xsl:template match="/"> <xsl:variable name="Index-alt"> <doc> <name> <xsl:text>schmid_hans</xsl:text> </name> <name> <xsl:text>prunauer_katharina</xsl:text> </name> <name> <xsl:text>senkenwald_wolfgang</xsl:text> </name> </doc> </xsl:variable> <xsl:value-of select="empty(key('find', 'prunauer_regina', $Index-alt))"/> <xsl:value-of select="empty(key('find', 'strada_jacopo', $Index-alt))"/> </xsl:template> </xsl:stylesheet> Regards, Manfred
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