Subject: Re: [xsl] Selecting non-duplicate nodes From: Michael Müller-Hillebrand <mmh@xxxxxxxxxxxxx> Date: Wed, 12 Oct 2011 20:01:05 +0200 |
Am 12.10.2011 um 17:33 schrieb Mark: > My question now is: how can I change this stylesheet so that for the listed input, no <FormatButtons> in the output contains more than one copy of a <Format> with the same attribute name and value? That is, where the current output is, for example: > > <FormatPage souvenir-sheet="365"> > <FormatButtons> > <Formats se-tenant="365"/> > <Formats se-tenant="365"/> > <Formats coupon="367"/> > <Formats coupon="368"/> > </FormatButtons> > </FormatPage> Mark, If a node in your sample is a duplicate of another node can be retrieved from the attribute names and their values. So IMO the grouping key could be a serialization of them. In other words, we look at the source as if we were a text processor, like this: <xsl:template match="FormatButtons"> <xsl:copy> <xsl:for-each-group select="Formats" group-by="string-join( for $i in 1 to count(@*) return concat(name(@*[$i]), '=', @*[$i]), ' ')"> <xsl:apply-templates select="."/> </xsl:for-each-group> </xsl:copy> </xsl:template> In XML the order of attributes is usually irrelevant, but the above solution does not ignore order. But it works with any number of attributes. - Michael M|ller-Hillebrand -- _______________________________________________________________ Michael M|ller-Hillebrand: Dokumentation Technology Adobe Certified Expert, FrameMaker Consulting and Training, FrameScript, XML/XSL, Unicode Blog [de]: http://cap-studio.de/
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