Re: [xsl] expand conditional variable in xsl:key match

[Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>]

Xiaocun,

I suggest you think about how to split your process in two, one to enhance 
the data, one to do the grouping.

If this is not possible, your problem just looks tough. The key-based 
grouping technique can only be pushed so far. Another technique to think 
about is a forward-walk (a recursive template that chooses the nodes to 
group one node at a time, but stops on certain conditions). I suppose if 
you're desperate for something to do Friday night, you might want to try 
this just for fun. (Sorry I can't promise to be around to help.)

I hope that helps, anyhow,
Wendell

At 12:41 PM 6/13/2003, you wrote:
> Hi,
>
>   I am using Saxon6.5.2.  I have a variable
> InstructionHeaderRow declared to mark the end of the
> document as below:
> <xsl:variable name="InstructionHeaderRow">
>   <xsl:choose>
>     <xsl:when test="$InstructionHeader/@row &gt; 0">
>       <xsl:value-of select="$InstructionHeader/@row"/>
>     </xsl:when>
>     <xsl:otherwise>
>       <xsl:value-of select="//row[last()]/@row + 1"/>
>     </xsl:otherwise>
>   </xsl:choose>
> </xsl:variable>
>
> I need to create a xsl:key to apply to all rows
> between $QuestionHeaderRow and $InstructionHeaderRow:
> <xsl:key name="QuestionKey" match="//row[@row &gt;
> $QuestionHeaderRow and
>         @row &lt; $InstructionHeaderRow]"
> use="string(cell[@column=$QuestionnaireColumn])"/>
>
> Since XSLT1.0 does not allow variables in xsl:key
> match and use, how best to exand the conditional
> variable $InstructionHeaderRow so I can use it in
> xsl:key match above?
>
> Any suggestion would be very much appreciated.
>
> Xiaocun
>
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