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Re: [xsl] Grouping by an attribute of a child
Subject: Re: [xsl] Grouping by an attribute of a child From: David Carlisle <davidc@xxxxxxxxx> Date: Mon, 14 Apr 2003 15:45:47 +0100 |
You haven't really shown the necessary parts of your stylesheet, but guessing... If this template: <xsl:template match="Invoices/Invoice/Activity"> <xsl:if test="position()!=1"> <xsl:if test="Attribute[@Name='Railcar Number']/Value=preceding-sibling Is called by an xl:apply-templates that is using xsl:sort, then position() will refer to the sorted order as you intend, but preceding-sibling:: always refers to nodes in the input tree so is unaffected by xsl:sort. For simple cases your problem is a grouping problem solvable by keys see Jeni Tennison's site or at least three answers already posted today on this list. However if you need to do any complicated totalling and reporting of the sorted/grouped set it will be much easier to do it in two passes. First group the input nodes sorting them into order and wrapping each group in a wrapper element. then process this new tree, using the template for the wrapper element to trigger adding total lines etc. You can either generate a temporary document and process on teh second pass with a new stylesheet, or do it all in one pass using xalan's node-set extension function. David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. 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 ________________________________________________________________________ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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