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RE: document() merge DISTINCT
- From: "Chris Bayes" <chris at bayes dot co dot uk>
- To: <xsl-list at lists dot mulberrytech dot com>
- Date: Wed, 19 Dec 2001 11:30:09 -0000
- Subject: RE: [xsl] document() merge DISTINCT
- Reply-to: xsl-list at lists dot mulberrytech dot com
Alex,
Something like this should do it
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:param name="file" />
<xsl:template match="/">
<xsl:apply-templates select="/p/project" />
<xsl:copy-of select="document($file)/p/project[not(@name
= current()/p/project/@name)]" />
</xsl:template>
<xsl:template match="project">
<xsl:copy>
<xsl:copy-of select="@*|*" />
<xsl:copy-of
select="document($file)/p/project[@name =
current()/@name]/person[not(@id = current()/person/@id)]" />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Ciao Chris
XML/XSL Portal
http://www.bayes.co.uk/xml
> -----Original Message-----
> From: owner-xsl-list@lists.mulberrytech.com
> [mailto:owner-xsl-list@lists.mulberrytech.com] On Behalf Of
> Alex Schuetz
> Sent: 19 December 2001 09:31
> To: XSL-List@lists.mulberrytech.com
> Subject: [xsl] document() merge DISTINCT
>
>
> Hallo;
>
> I have some input files with the /person/@id attribute being
> unique in each file (and /project).
>
> input.xml
> --------------------------------------------------------------
> <project name="some-name">
> <person id="1" name="name1"/>
> <person id="5" name="other-name"/>
> <preson id="20" name ="another-name"/>
> </project>
> ------------------------------------------------
>
> I want to merge these files so that I get a list of all
> <person> that are in any <project> but the preson/@id should
> be unique, that is, no <person> element should be listed twice.
>
> In the book 'XSLT' from Dough Tidwell (chapter 7) there is an
> example that works but is using a lot of disk reads and deep
> recursion. It goes like this:
>
> 1: build a variable var1 as a white-space separated sorted
> list of all @id . (using <xsl:for-each select="document(...)"..../> )
> 2: build a variable var2 of unique @id from var1 (by recursion);
> 3: with var2 call a template that calls <xsl:for-each
> select= "document(....)"../> for each id in var2 and produces
> the output.
>
> Is there a better way to do this?
>
> -Alex
> asc@ala.de
>
>
>
>
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>
>
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