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Re: [xsl] Variable in XPath
Subject: Re: [xsl] Variable in XPath
From: "Andrew Welch" <andrew.j.welch@xxxxxxxxx>
Date: Wed, 27 Jun 2007 16:00:07 +0100
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On 6/27/07, Andrew Welch <andrew.j.welch@xxxxxxxxx> 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">
If you then want to do something specific if the @id eq $id then add a
condition inside the xsl:when.
Or its probably cleaner to just add another when:
<xsl:when test="doc('factbase.xml')/facts/class[@id eq $id]">
there is a class with a matching @id
</xsl:when>
<xsl:when test="doc('factbase.xml')/facts/class">
there are one or more class elements, but none of them a matching @id
</xsl:when>
<xsl:otherwise>
this aren't any class elements...
</xsl:otherwise>
You'd want to refactor the call to doc() into a variable too.
--
http://andrewjwelch.com
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