RE: [xsl] XSL/XPath Dynamic sort key

["Michael Kay" <mhk@xxxxxxxxx>]

> I'm sorta new to xslt and I am curious about this xx:evaluate 
> thing.  I 
> looked for how to use it for several hours today (and your 
> name came up 
> quite a bit Michael) and couldn't make sense of it.  Would 
> you mind posting 
> a short xslt that uses it?  (Including the xsl:stylesheet element)

Try this:

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
                xmlns:saxon="http://icl.com/saxon";
                version="1.0">
                
<xsl:param name="op" select="'+'"/>
<xsl:variable name="expression" 
              select="concat('5 ', $op, ' 2')"/>

<xsl:template match="/">
<result
   question="{$expression}"
   answer="{saxon:evaluate($expression)}"/>
</xsl:template>             
 
</xsl:stylesheet>

Now run it with Saxon 6.5.2:

java com.icl.saxon.StyleSheet test.xml test.xsl op=div

or

java com.icl.saxon.StyleSheet test.xml test.xsl op=*

Hope that helps.

Michael Kay


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