RE: Grouping

Hi,

See FAQ entry <http://www.dpawson.co.uk/xsl/sect2/N4486.html#d981e94>.

> I have this xml:
> 
> <root>
> 	<child></child>
> 	<child></child>
> 	<child></child>
> 	<child></child>
> 	<child></child>
> 	<child></child>
> 	<child></child>
> 	<child></child>
> 	<child></child>
> 	<child></child>
> </root>
> 
> and i have to write an xsl that gives this output:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <root>
> 	<parent>
> 		<child></child>
> 		<child></child>
> 	</parent>
> 	<parent>
> 		<child></child>
> 		<child></child>
> 	</parent>	
> 	<parent>
> 		<child></child>
> 		<child></child>
> 	</parent>	
> 	<parent>
> 		<child></child>
> 		<child></child>
> 	</parent>
> 	<parent>
> 		<child></child>
> 		<child></child>
> 	</parent>
> </root>
> 
> that is a grouping of 2 child, but this number is not a 
> constant, instead it is a parameter.

<xsl:param name="n" select="2" />

<xsl:template match="root">
  <xsl:copy>
    <xsl:for-each select="child[position() mod $n = 1]">
      <parent>
        <xsl:copy-of select=". | following-sibling::child[position() &lt; $n]" />
      </parent>
    </xsl:for-each>
  </xsl:copy>
</xsl:template>

Cheers,

Jarno - L´âme Immortelle: Tiefster Winter

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