Re: [xsl] xslt 2.0: grouping flat element structures to make lists

Subject: Re: [xsl] xslt 2.0: grouping flat element structures to make lists
From: David Carlisle <davidc@xxxxxxxxx>
Date: Wed, 25 May 2005 22:29:59 +0100
<sect>

<foo/>
<xyz/>
<xyz/>
<par class="Listbegin">Fruit</par>
<par class="Listitem">Apple</par>
<par class="Listitem">Orange</par>
<par class="Listitem">Pear</par>
<par class="Listbegin">Colours</par>
<par class="Listitem">Red</par>
<par class="Listitem">Green</par>
<par class="Listitem">Blue</par>
<xyz/>
<bar/>
<par class="Listbegin">Fruit</par>
<par class="Listitem">Apple</par>
<par class="Listitem">Orange</par>
<par class="Listitem">Pear</par>
</sect>



<xsl:stylesheet
   version="2.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
>


<xsl:output indent="yes"/>

<xsl:template match="*">
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:apply-templates/>
</xsl:copy>
</xsl:template>

<xsl:template match="sect">
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:for-each-group group-adjacent="@class='Listitem'" select="*">
<xsl:choose>
<xsl:when test="self::par[@class='Listitem']">
<list>
<head><xsl:apply-templates
select="preceding-sibling::par[1]/node()"/></head>
<xsl:apply-templates select="current-group()"/>
</list>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:copy>
</xsl:template>

<xsl:template match="par[@class='Listbegin']"/>


</xsl:stylesheet>



$ saxon8 list.xml list.xsl
<?xml version="1.0" encoding="UTF-8"?>
<sect>
   <foo/>
   <xyz/>
   <xyz/>
   <list>
      <head>Fruit</head>
      <par class="Listitem">Apple</par>
      <par class="Listitem">Orange</par>
      <par class="Listitem">Pear</par>
   </list>
   <list>
      <head>Colours</head>
      <par class="Listitem">Red</par>
      <par class="Listitem">Green</par>
      <par class="Listitem">Blue</par>
   </list>
   <xyz/>
   <bar/>
   <list>
      <head>Fruit</head>
      <par class="Listitem">Apple</par>
      <par class="Listitem">Orange</par>
      <par class="Listitem">Pear</par>
   </list>
</sect>

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