RE: Simple list -> Nested list based on attribute values

<?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" encoding="UTF-8" />
  <xsl:strip-space elements="*" />

  <xsl:template match="/">
    <xsl:apply-templates />
  </xsl:template>

  <xsl:template match="doc">
    <doc>
      <xsl:apply-templates />
    </doc>
  </xsl:template>

  <xsl:template match="item[(_at_)header]">
    <xsl:variable name="index" 
select="count(preceding-sibling::item[(_at_)header])" />
    <section title="{.}">
      <xsl:apply-templates 
select="following-sibling::item[not(@header)]"><xsl:with-param name="location" 
select="$index" /></xsl:apply-templates>
    </section>
  </xsl:template>

  <xsl:template match="item[not(@header)]">
    <xsl:param name="location" />
    <xsl:if test="count(preceding-sibling::item[(_at_)header]) = $location + 1">
      <item><xsl:value-of select="." /></item>
    </xsl:if>
  </xsl:template>

</xsl:stylesheet>
-- 
Charles Knell
cknell(_at_)onebox(_dot_)com - email



-----Original Message-----
From:     <jhaines(_at_)maninvestments(_dot_)com>
Sent:     Thu, 19 Aug 2004 18:48:42 +0200
To:       <xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com>
Subject:  [xsl] Simple list -> Nested list based on attribute values

I have an XML document of the form
 
<doc>
  <item header='true'>Section 1</item> 
  <item>Section 1.1</item> 
  <item>Section 1.2</item>
 
  <item header='true'>Section 2</item> 
  <item>Section 2.1</item> 
  <item>Section 2.2</item>
</doc>
 
that I want to transform to the following:
 
<doc>
  <section title="Section 1">
    <item>Section 1.1</item> 
    <item>Section 1.2</item>
  </section>
 
  <section title="Section 2">
    <item>Section 2.1</item> 
    <item>Section 2.2</item>
  </section>
</doc>
 
I was able to match the @header <item>s with the rule 'item[(_at_)header  
"true"]' but couldn't work out a predicate to match "all subsequent
<item>s up until the next @header <item>".
 
Jason
 


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