Subject: Re: [xsl] Boolean Short Curcuit From: David Carlisle <davidc@xxxxxxxxx> Date: Fri, 23 Sep 2005 10:11:17 +0100 |
As Michael just said ypu can't rely on order of evaluation of and. Also it's probably more natural to invert the pattern and write it as a//b rather than b[ancestor::a] (even though they mean teh same thing) It's probably just easiest to allow your function to return an empty sequence by adding the * as below. David <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0" xmlns:page="p" xmlns:xs="http://www.w3.org/2001/XMLSchema" > <xsl:function name="page:field" as="element()*"> <xsl:param name="name" as="xs:string"/> <xsl:sequence select="document('')/form/field[name = $name][1]"/> </xsl:function> <xsl:template match="page:error[@name]//page:message[ page:field(ancestor::page:error/@name)/error]" > <page:message><xsl:value-of select="page:field(ancestor::page:error/@name)/error"/></page:message> </xsl:template> </xsl:stylesheet> ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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