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Re: Merging nested/adjacent nodes

2005-05-19 16:10:23

Turns out that this is simpler than it looks, simpler than I thought it
was going to be anyway. Powerful voodoo this for-each-group stuff....


emp.xsl:

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


<xsl:output indent="yes"/>
<xsl:strip-space elements="*"/>


<xsl:template name="m" match="*|/">
<xsl:param name="c" select="*"/>
<xsl:for-each-group select="$c" group-adjacent="string(@name)">
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:call-template name="m">
 <xsl:with-param name="c" select="current-group()/*"/>
</xsl:call-template>
</xsl:copy>
</xsl:for-each-group>
</xsl:template>

</xsl:stylesheet>


emp.xml

<employees>
        <supervisor name="jimmy">
                <supervisor name="bob">
                        <employee name="grunt_1"/>
                </supervisor>
        </supervisor>
        <supervisor name="jimmy">
                <supervisor name="bob">
                        <employee name="grunt_2"/>
                </supervisor>
        </supervisor>
        <supervisor name="jimmy">
                <employee name="grunt_3"/>
        </supervisor>
        <employee name="grunt_4"/>
        <supervisor name="jimmy">
                <supervisor name="bob">
                        <employee name="grunt_5"/>
                </supervisor>
        </supervisor>
</employees>



$ saxon8 emp.xml emp.xsl
<?xml version="1.0" encoding="UTF-8"?>
<employees>
   <supervisor name="jimmy">
      <supervisor name="bob">
         <employee name="grunt_1"/>
         <employee name="grunt_2"/>
      </supervisor>
      <employee name="grunt_3"/>
   </supervisor>
   <employee name="grunt_4"/>
   <supervisor name="jimmy">
      <supervisor name="bob">
         <employee name="grunt_5"/>
      </supervisor>
   </supervisor>
</employees>


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