RE: [xsl] xslt 2 grouping

[DPawson@xxxxxxxxxxx]

Mike wrote:
> The XSLT 2.0 solution (untested) is:
> 
> <xsl:for-each-group select="e1" group-by=".">
>   <e1 name="{.}">
>     <xsl:for-each-group select="current-group()" group-by="@att">
>       <xsl:value-of select="concat(@att, ' ')"/>
>     </xsl:for-each>
>   </e1>
> </xsl:for-each>
> 
> You could also use distinct-values().

Hint :-) How please?

> 
> I don't understand your comment that you can't use keys because there
> are 1200 lines?

As David questionned, and yet again he was right!
Playing at home over the weekend got me this:

Just me and Steve M's logic again!
I'm going to persevere with a 2.0 solution, if nothing else it might
get me a little more familiar with 2.0.

Thanks Mike.



xml test

<doc>


  <el fo='fo:block'>
    <p>width</p>
    <p>height</p>
    <p>sum</p>
  </el>

  <el fo='page'>
    <p>width</p>
    <p>height</p>
    <p>another</p>
  </el>
</doc>

xsl

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:saxon="http://saxon.sf.net/";
  exclude-result-prefixes='saxon'
                version="1.1">

  <xsl:output method="xml" indent='yes'/>

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

  <xsl:key name='prop' 
    match='p'
    use='.'/>


  <xsl:template match='doc'>
    <doc>
    
        
      <xsl:for-each 
select='el/p[generate-id(.)= generate-id(key("prop",.)[1])]  '>
        <xsl:variable name='prop' select='.'/>
        <p> <prop><xsl:value-of select='.'/></prop><els>
        <el><xsl:value-of select='../@fo'/></el>
        <xsl:for-each select='following::el[p=$prop]/@fo'>
          <el><xsl:value-of select='.'/></el>
        </xsl:for-each>
</els></p>
      </xsl:for-each>

  </doc>
  </xsl:template>

  <xsl:template match='el'>
    <xsl:apply-templates/>
  </xsl:template>



  <xsl:template match='p'>
    <xsl:variable name='fo' select='../@fo'/>
    
    <xsl:variable name='prop' select='.'/>
    <xsl:for-each select='//p[not (generate-id(..) =$fo) ]
                          [.=$prop]'>
      <xsl:sort select='.'/>
      <prop><p><xsl:value-of select='.'/></p><fo> <xsl:value-of
select='../@fo'/></fo></prop>
    </xsl:for-each>
  </xsl:template>


</xsl:stylesheet>

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