Re: Indexing Tree Elements
Kay Michael wrote: > > > 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::*/@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] where $depth is initialized to > count(ancestor::*) for the context node. And be patient while it executes. > > I'm not sure what you mean by "indexing elements". > > Mike Kay Thanks for your help, Mike. By 'indexing' I just meant something like: if (node[$i] == node[$i-1]) then.... BTW, are you the Mike Kay of the fabulous book I've just bought? If so, thanks for writing! -- Lee Goddard <l.goddard@sussex> Research Centre for Cognitive Science, University of Sussex, Brighton UK XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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