Jostein Austvik Jacobsen wrote:
I've got this flat-structured XML:
<document>
<metaData>
<title>Title</title>
<publisher>Publisher</publisher>
</metaData>
<contentSection>
<p>text</p>
<headline level="2">Headline</headline>
<p>text</p>
<p>text</p>
<headline level="2">Section</headline>
<p>text</p>
<pagenum id="page2"/>
<p>text</p>
<headline level="3">Subsection</headline>
<p>text</p>
<headline level="2">Section</headline>
<p>text</p>
<p>text</p>
</contentSection>
</document>
And want it transformed to this XML:
<body>
<level1>
<h1>Title</h1>
<p>text</p>
<level2>
<h2>Headline</h2>
<p>text</p>
<p>text</p>
</level2>
<level2>
<h2>Section</h2>
<p>text</p>
<pagenum id="page2"/>
<p>text</p>
<level3>
<h3>Subsection</h3>
<p>text</p>
</level3>
</level2>
<level2>
<h2>Section</h2>
<p>text</p>
<p>text</p>
</level2>
</level1>
</body>
How would I do that using XSLT? XSLT 2.0 solutions are ok.
The following stylesheet creates above output structure, only white
space/indenting is different from what you posted:
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="2.0"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:mf="http://example.com/2009/mf"
exclude-result-prefixes="xs mf">
<xsl:output indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:function name="mf:group" as="node()*">
<xsl:param name="nodes" as="node()*"/>
<xsl:param name="level" as="xs:integer"/>
<xsl:for-each-group select="$nodes"
group-starting-with="headline[(_at_)level = $level]">
<xsl:choose>
<xsl:when test="self::headline[(_at_)level = $level]">
<xsl:element name="level{$level}">
<xsl:element name="h{$level}">
<xsl:value-of select="."/>
</xsl:element>
<xsl:sequence select="mf:group(current-group() except .,
$level + 1)"/>
</xsl:element>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:function>
<xsl:template match="document">
<xsl:variable name="v1">
<headline level="1"><xsl:value-of
select="metaData/title"/></headline>
<xsl:copy-of select="contentSection/node()"/>
</xsl:variable>
<body>
<xsl:sequence select="mf:group($v1/node(), 1)"/>
</body>
</xsl:template>
</xsl:stylesheet>
--
Martin Honnen
http://msmvps.com/blogs/martin_honnen/
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