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Thanks for the hint, I'll work on the perfomance then and give your previous recommendation a closer look.
Andrew Welch wrote:
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Re: [xsl] recursion with xsl:apply-templates
Subject: Re: [xsl] recursion with xsl:apply-templates From: Volker Witzel <volker.witzel@xxxxxxxxxxxx> Date: Wed, 27 Aug 2003 17:38:34 +0200 |
Thanks for the hint, I'll work on the perfomance then and give your previous recommendation a closer look.
Andrew Welch wrote:
<xsl:template match="*[@index]"> <xsl:copy> <xsl:copy-of select="@*[not(name()='index')]"/> <xsl:variable name="p" select="count(preceding::*[@index])+1"/>
This is fine if it does what you need, but you should be aware that using the preceding::* axis in this way leads to O(n^2) performance.
It's much better practise to store the data you need in a nodeset, and then query that. This means you will do one pass for the nodeset, and one pass for the data regardless of the number of elements in your source.
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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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