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Re: Counting Nodes

Subject: Re: Counting Nodes
From: Oleg Tkachenko <olegt@xxxxxxxxxxxxx>
Date: Mon, 26 Nov 2001 11:44:27 +0200
Re:  Counting Nodes
Richard Jinks wrot

Is the following expression legal?
count(//|//@*)

I don't think so, // is a short form of /descendant-or-self::node()/ and according to grammar rule 3 [3] RelativeLocationPath ::= Step | RelativeLocationPath '/' Step | AbbreviatedRelativeLocationPath

requires Step after last "/".


It is supposed to count all nodes and attributes from the current context
node.

So, do as you said: count(//node()|//@*)



The reason I'm asking is that I'm currently evaluating a few different XSLT processers, with a view to using one of them in a product I'm working on. I've noticed that different processers handle it differently, the main stumbling block being the "//" by itself.

Usually, they work separately (i.e. count(//) and count(//@*) ), but a
couple (e.g. Apache's XalanC) seem to fall over when they are combined as
above.

Huh, interesting point, can you say where count(//) works? This expression have to raise syntax error.


--
Oleg Tkachenko
Multiconn International, Israel


XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list



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