Re: [xsl] How to create a node set that excludes some descendant elements?

[Mukul Gandhi <mukul_gandhi@xxxxxxxxx>]

Hi Rush,
  Please try this XSL -

It is variation of identity transform..

<?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" />
    
<xsl:template match="node() | @*">
  <xsl:copy>
    <xsl:apply-templates select="node() | @*" />  
  </xsl:copy>
</xsl:template> 
  
<!-- include only 1st y , and exclude all z -->
<xsl:template match="y[ancestor::y or preceding::y] |
z" />
  
</xsl:stylesheet>

Regards,
Mukul

--- Rush Manbert <rush@xxxxxxxxxxx> wrote:
> Hi all,
> 
> My first post here and I want to start by saying how
> much I appreciate 
> the big FAQ, the Jeni site, etc. It has all helped
> me tremendously.
> 
> I can't find an answer to this one, though, so here
> goes...
> 
> My XML doc has this basic structure:
> <a>
>   <b>
>     <c>
>       <!-- This is the section of interest -->
>     </c>
>   </b>
> </a>
> 
> The <c> element can contain any combination of
> elements <d> through <z>. 
> Elements <y> and <z> have special uses.
> 
> I want to create a global variable that contains the
> result tree 
> fragment contained within element <c>, with the
> following restrictions:
> I only want to include the first <y> element that is
> contained within 
> <c>, no matter where it occurs. There may be no <y>
> elements present.
> I want to exclude all <z> elements that are
> contained within <c>, no 
> matter where they occur. Again, there may be none
> present.
> 
> Later on in my stylesheet, I use exslt:node-set() on
> the variable and 
> process the node set.
> 
> For instance, given this source:
> <a><b><c>
>   <d>
>     <z>
>     <g />
>   </d>
>   <q>
>     <r>
>       <y />
>       <z />
>     </r>
>     <y />
>   <q>
>   <y>
> </c></b></a>
> 
> I want the selection to contain this:
> <a><b><c>
>   <d>
>     <g />
>   </d>
>   <q>
>     <r>
>       <y />
>     </r>
>   <q>
> </c></b></a>
> 
> (<z> elements are gone, only the first <y> element
> remains.)
> 
> I have tried many variations on the select portion
> of the variable 
> definition. I can filter the immediate children of
> <c>, OR the second 
> level children, etc., but I can't seem to come up
> with anything that 
> handles <y> and <z> appearing at any depth in the
> descendant tree.
> 
> I'm prepared to be humiliated by some obvious
> solution... Can anyone 
> please help?
> 
> Thanks,
> Rush
> 
> 


		
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