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On 6/27/07, Garvin Riensche <g.riensche@xxxxxxx> wrote:
Seems like a long-winded way of just saying you want to check if <class> exists:
<xsl:when test="doc('factbase.xml')/facts/class">
A case of wood-for-the-trees? (or one too many beers for me at lunch?)
Re: [xsl] Variable in XPath
Subject: Re: [xsl] Variable in XPath From: "Andrew Welch" <andrew.j.welch@xxxxxxxxx> Date: Wed, 27 Jun 2007 15:55:22 +0100 |
On 6/27/07, Garvin Riensche <g.riensche@xxxxxxx> wrote:
Hello,
I hope that anyone can help me with the following. I want to write a stylesheet that is used to check if an element (class) with a special ID which is given as variable from the commandline exists in the source or not. If no variable is supplied I want to test if there are "class" nodes at all. Of course it's no problem to check if a node with a special ID exists or not. But what do I use as default value of the variable so that all "class" nodes are selected if no variable is supplied.
(not working) example: XML: <facts> <class id="2" owner="1" name="A"/> <class id="3" owner="1" name="B"/> <facts>
XSLT:
<xsl:variable name="id" select="attribute::*"/>
<xsl:template match="//condition/and-condition"> [...] <xsl:when test="doc('factbase.xml')/facts/class[@id eq $id]"> [...]
The test should be true if $id is set to "2" or "3" and if $id is not set at all. So, the key is the comparison "@id eq $id" and the default value of $id. "attribute::*" as default value is obviously wrong. Which default value do I have to use to test if class nodes exist at all?
Seems like a long-winded way of just saying you want to check if <class> exists:
<xsl:when test="doc('factbase.xml')/facts/class">
If you then want to do something specific if the @id eq $id then add a condition inside the xsl:when.
A case of wood-for-the-trees? (or one too many beers for me at lunch?)
-- http://andrewjwelch.com
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