RE: problem with variable and position()

You can't define a match pattern that uses a variable. 

In 1.0 you have to test the variable inside the template, e.g

<xsl:template match="text()">
  <xsl:choose>
    <xsl:when test="count(preceding::text() > $pos)">

Of course the variable must be global. 

2.0 does allow a global variable to be used in the pattern. 

A better solution in 2.0 is to use the ">>" operator:

<xsl:key name="t" match="text()[startswith(., 'Description')]"
use="'z'"/>

<xsl:template match="text()[. >> key('t', 'z')] 

I can't see an easy way to emulate this in 1.0 with a solution that's
likely to have less than O(n^2) performance.

Michael Kay


> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx 
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of 
> fe.sola@xxxxxxxxxxxxxx
> Sent: 27 August 2003 07:31
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  problem with variable and position()
> 
> 
> This is part of the stylesheet...
> 
> 
> <xsl:template match="html">
> 	      <xsl:apply-templates select="head"/>
> 	      <xsl:apply-templates select="body"/>
> </xsl:template>
> 	
> 
> <xsl:template match="head"/>
> <xsl:template match="body">
>                     <xsl:element name="description">
>                        <xsl:apply-templates 
> select="text()[starts-with(normalize-space
> (),'Description')]" mode="description"/>
>                     </xsl:element>
> </xsl:template>
> <xsl:template 
> match="text()[starts-with(normalize-space(),'Description')]" 
> mode="description">
>                          <xsl:variable name="descPos" 
> select="position()"/>
>                          <xsl:apply-templates 
> select="text()[position()>$descPos]"/>
>                                            
> </xsl:template>
> <xsl:template match="text()[position()>$descPos]">
>                               <xsl:value-of select="."/> 
> </xsl:template>  
>  
> I have an xhtml document with a description as a text element 
> in the body. This 
> description text start with the word "Description" and it has 
> a variable position inside 
> the input documents. I tried to store the position of the 
> description text in the 
> descPos variable to use it later, but the above stylesheet 
> gives me an error of "Invalid 
> variable reference". How could I re-write the last template 
> so I avoid this error? 
> tia,
> lizet  
> 
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