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Re: [xsl] select all answers belongs to one question from xml with xpath
Subject: Re: [xsl] select all answers belongs to one question from xml with xpath
From: "Joris Gillis" <roac@xxxxxxxxxx>
Date: Thu, 30 Jun 2005 22:08:29 +0200
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Hi,
Tempore 20:36:25, die 06/30/2005 AD, hinc in
xsl-list@xxxxxxxxxxxxxxxxxxxxxx scripsit <04083259@xxxxxxxxxxxxx>:
i have a set of questions and for each question a set of answers (4
answers )stored in xml file as each each answer has an attribute as a
reference to the question that it belogs to as following :
You're probably stuck with an xpath because you're missing the 'current()'
function.
But this situation (nodes connected with references) it is common to use
keys.
here's a stylesheet demonstrating two methods:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes"/>
<xsl:key name="answer" match="answer" use="@question"/>
<xsl:template match="*[ques]">
<h1>My questions</h1>
<xsl:apply-templates select="ques"/>
</xsl:template>
<xsl:template match="question">
<h2><xsl:apply-templates/></h2>
key method:
<ol>
<xsl:for-each select="key('answer',@id)">
<li><xsl:apply-templates/></li>
</xsl:for-each>
</ol>
xpath method:
<ol>
<xsl:for-each select="//answer[@question=current()/@id]">
<li><xsl:apply-templates/></li>
</xsl:for-each>
</ol>
</xsl:template>
</xsl:stylesheet>
regards,
--
Joris Gillis (http://users.telenet.be/root-jg/me.html)
Ceterum censeo XML omnibus esse utendum
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