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Re: [xsl] [xsl-list] Storing an XPath fragment in a variable

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Jason,

Adding to the last post, here's a technique sometimes useful in XSLT 1.0 for parameterizing the kind of thing you're interested in.

At the top of the stylesheet, bind into a global variable all the elements you want of a particular kind:

<xsl:variable name="brights" select="//RED | //GREEN | //BLUE"/>

Then when you have, say, a bunch of child elements at hand and you only want the members of this set, you can do:

<xsl:for-each select="*[count(.|$brights)=count($brights)]">
...<xsl:for-each>

It translates into English as "child elements which, when added to the set of $brights and counted, yield the count of the set of $brights", which is only true for those child elements in the set.

In XPath 2.0 there are much easier ways to do this.

Cheers,
Wendell

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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
17 West Jefferson Street                    Direct Phone: 301/315-9635
Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
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  Mulberry Technologies: A Consultancy Specializing in SGML and XML
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