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RE: Indexing Tree Elements
- To: "'xsl-list at mulberrytech dot com'" <xsl-list at mulberrytech dot com>
- Subject: RE: Indexing Tree Elements
- From: Kay Michael <Michael dot Kay at icl dot com>
- Date: Fri, 7 Jul 2000 14:10:50 +0100
- Reply-To: xsl-list at mulberrytech dot com
> I have a template that is called for all instances of an element;
> is it possible that it may compare its attributes with the attributes
> of the previous document-tree node of the same level? Is it possible
> to index elements in such a manner?
Yes (in XSLT) (well almost).
<xsl:if test="@value=preceding-sibling::*[1]/@value">
does roughly what you want. The only caveat is that the "previous node on
the same level" must be a sibling, not a cousin. If you want to test against
an n-th cousin for any value of n, use
preceding::*[count(ancestor::*)=$depth][1] where $depth is initialized to
count(ancestor::*) for the context node. And be patient while it executes.
I'm not sure what you mean by "indexing elements".
Mike Kay
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