RE: [xsl] external var in XSL

Subject: RE: [xsl] external var in XSL
From: "Angel Gavin" <agavin@xxxxxx>
Date: Wed, 16 Mar 2005 14:55:18 +0100

Thanks a lot for your valuable feedback. This has been my first intervention
in the list. Not very successful, I must say. You are right and I am wrong
(well, at least I was right when I said I am not a guru!)

I've just discovered my answer was not exactly about the issue you have
pointed out (it works, though).

Nevertheless, the problem is still the same. The following stylesheet works
in Xalan v1.4.0:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
	<xsl:output method="html" version="1.0" encoding="UTF-8" indent="yes"/>
	<xsl:param name="chapterNumber" select="'chapter3'"/>
	<xsl:template match="chapters/chapter[@name = $chapterNumber]">
					<xsl:value-of select="@name"/>
				<xsl:value-of select="."/>

I do not get any error. I do not control what to do with "chapter1 and
chapter2 elements", but it produces the desired effect. In other words, it
does not complain about including

<xsl:template match="chapters/chapter[@name = $chapterNumber]">.

I run xalan from XML Spy. The funny thing is that, when using Altova's XSLT
engine, it gives me an error that is completely in line with your comment
("Variables and parameters cannot be used in variables"). The same happens
with MSXML.

Since I am more used to xalan, I guess it is a bit more (much too?) flexible
with this. Maybe it is a bug actually.

To be honest, I am using xalan v1.4.0, and last release is  1.9. Maybe this
bug (if any) has been fixed yet (I will check it asap).

Nevertheless, the solution in my previous mail seems to make more sense for
me (and seems to be correct!).


-----Original Message-----
From: David Carlisle [mailto:davidc@xxxxxxxxx]
Sent: 16 March 2005 14:34
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [xsl] external var in XSL

> I've tried an example (using Xalan; see below) and it works.

that is a xalan bug then.

> Am I doing something wrong?

yes you can not use variable or param references in match patterns.


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