Re: [xsl] Counting Nodes

[Oleg Tkachenko <olegt at multiconn dot com>]

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


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