RE: Problem with Key matching XSLT 1.0

Martin

Many thanks - works perfectly!  I am slowly beginning to understand
context nodes I hope!

Kind regards
Stephen

-----Original Message-----
From: Martin Honnen [mailto:Martin.Honnen@xxxxxx]
Sent: 14 September 2010 11:32
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re:  Problem with Key matching XSLT 1.0

Etheridge, Stephen wrote:

> I am trying to compare two xml documents of the same format.  I have
> successfully transformed the documents to include a field called
ItemKey
> which includes a unique key (comprised of four other elements).  I am
> now trying to match and compare elements based on that key value.
>
> My XSLT includes the following as "global" variables:
>
> <xsl:variable name="file1">test_comp4.xml</xsl:variable>
> <xsl:variable name="old_file"
> select="document($file1)/*"></xsl:variable>
> <xsl:variable name="file2">test_comp4_edited.xml</xsl:variable>
> <xsl:variable name="new_file"
> select="document($file2)/*"></xsl:variable>
> <xsl:output method="xml" indent="yes"/>
> <xsl:key name="test" match="//ItemKey" use="//ItemKey"/>

First of all, in a pattern like the match attribute you never need to
start with "//", match="ItemKey" is enough, doing match="//ItemKey" does

not gain anything.
And
   match="//ItemKey" use="//ItemKey"
looks very odd, usually the "use" attribute selects an attribute (e.g.
use="@foo") or a child element (e.g. use="bar") or the node itself (e.g.

use=".") but putting use="//ItemKey" looks wrong, that way you "key" any

"ItemKey" element on any "ItemKey" element in the document.

--

	Martin Honnen
	http://msmvps.com/blogs/martin_honnen/



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