Subject: Re: [xsl] for-each-group group-by existing and non-existing attribute From: Robert Koberg <rob@xxxxxxxxxx> Date: Mon, 28 Apr 2008 18:37:03 -0400 |
First, wow! That is amazing! How does the: group-by=".//validation/concat(@idref,' == ',(@value,'true')[1])" work? I see how the o;?(@value,'true')[1] will select 'true' if no @value exists, but how does the group-by determine the correct groups? How does it know there is no value to do the grouping? thanks, -Rob On Mon, 2008-04-28 at 23:24 +0100, David Carlisle wrote: > > <?xml version="1.0" encoding="UTF-8"?> > <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > version="2.0"> > <xsl:output indent="yes"/> > <xsl:template match="/container"> > <test> > <xsl:for-each-group select="*[.//validation/@idref]" > group-by=".//validation/concat(@idref,' == > ',(@value,'true')[1])"> > <group condition="{current-grouping-key()}"> > <xsl:copy-of select="current-group()"/> > </group> > </xsl:for-each-group> > </test> > </xsl:template> > </xsl:stylesheet>
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