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Re: [xsl] two-level grouping xslt 2.0
Subject: Re: [xsl] two-level grouping xslt 2.0
From: Martin Honnen <Martin.Honnen@xxxxxx>
Date: Fri, 29 Feb 2008 14:28:51 +0100
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Terry Ofner wrote:
Your two template rules work well. However, I think I have managed to
misrepresent the problem--one of the main pitfalls of submitting
queries, it seems.
The problem is this: The <story-title> element is the opening element of
a "story" (as opposed the <story> element which is courtesy of the xhtml
export from InDesign). At any rate, each "story" is composed of multiple
elements such as <story>, <page>, and <imggroup>. That is why I am
trying to execute a two-level grouping rule. The outer for-each-group
should structure the <level1 class="unit"> hierarchy; the inner
for-each-group should structure the <level2 class="selection">.
This stylesheet should do:
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="2.0">
<xsl:output method="xml" indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="@* | node()">
<xsl:copy>
<xsl:apply-templates select="@* | node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="bodymatter">
<xsl:copy>
<xsl:apply-templates select="@*"/>
<xsl:for-each-group
select="*"
group-starting-with="story[cluster_num]">
<level1 class="unit" unitnum="{position()}">
<xsl:for-each-group
select="current-group()"
group-starting-with="story[story-title]">
<xsl:choose>
<xsl:when
test="current-group()[1][self::story[story-title]]">
<level2 class="selection">
<xsl:apply-templates select="current-group()"/>
</level2>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</level1>
</xsl:for-each-group>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
--
Martin Honnen
http://JavaScript.FAQTs.com/
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