Subject: Re: AW: [xsl] recursion with xsl:apply-templates From: Volker Witzel <volker.witzel@xxxxxxxxxxxx> Date: Thu, 28 Aug 2003 17:03:00 +0200 |
<xsl:copy-of select="xalan:nodeset($indexToIDs)/entry[@genid =
Just one further thing... I would suggest converting to a nodeset outside of the iteration, so that it only gets performed once rather than once per interation.
So if you have a global variable holding information that you will query, add another variable beneath it that holds it as a nodeset, just like:
<xsl:variable name="indexToIDs-rtf"> <xsl:for-each select="/transformation/IRF//*[@index]"> <xsl:variable name="pos" select="position()"/> <entry genid="{generate-id()}"> <xsl:copy-of select="/transformation/id_list/id[$pos]"/> </entry> </xsl:for-each> </xsl:variable> <xsl:variable name="indexToIDs" select="exsl:node-set($indexToIDs)"/>
..and then reference the nodeset each time (notice the name changes). I don't know the figures but I would guess converting to a node-set is more than just setting a boolean in the processor, so it's best done once only (maybe someone knows).
cheers andrew
Sorry David, obviously I did get you wrong then.
Anyway, I have a working and (thanks to Andrew) a performing solution for my problem now, which is only slightly different from Andrews,
i.e.
I need the ids as element, not as attribute.
Thanks again for your support and contributions! Volker.
My solution:
<xsl:variable name="indexToIDs"> <xsl:for-each select="/transformation/IRF//*[@index]"> <xsl:variable name="pos" select="position()"/> <entry genid="{generate-id()}"> <xsl:copy-of select="/transformation/id_list/id[$pos]"/> </entry> </xsl:for-each> </xsl:variable> <xsl:template match="/transformation"> <xsl:apply-templates/> </xsl:template> <xsl:template match="@*|node()"> <xsl:copy> <xsl:apply-templates select="@*|node()"/> </xsl:copy> </xsl:template> <xsl:template match="*[@index]"> <xsl:variable name="genid" select="generate-id()"/> <xsl:value-of select="$genid"/> <xsl:copy> <xsl:copy-of select="xalan:nodeset($indexToIDs)/entry[@genid = $genid]/id"/> <xsl:apply-templates select="@*|node()"/> </xsl:copy> </xsl:template> <xsl:template match="@index"/> <xsl:template match="id_list"/>
David Carlisle wrote:
it is like David assumed:
But your posted solution didn't do what mine did. Mine took the value of the index attribute as the id element to copy your solution ignored the value and counted the number of elements
that
had that attribute.
David
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-- Mit freundlichen Grüßen / With kind regards Volker Witzel ____________________________________________ IBM Business Consulting Services Karl-Arnold-Platz 1a, D-40474 Düsseldorf fon (0211) 476-1924 (intern *129-1924) mobil 0172-73 66 586 mail vwitzel@xxxxxxxxxx
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