Subject: Re: [xsl] Unique Attribute value From: Michael Kay <mike@xxxxxxxxxxxx> Date: Thu, 01 Jul 2010 09:01:43 +0100 |
Hello all,
Is there a way to check whether an element's attribute has unique value in xml structure and is not repeating.
For instance, in below sample xml "p1" is repeating twice and any good parser will throw an error for it, though I would like it to check it with XSLT itself. Weird, I know. I am just trying to figure out the best possible way to get this done.
My actual requirement is little bit more complex but thought of starting asking with this.
<?xml version="1.0"?> <root> <x id="p1">xxx</x> <x id="p2">yyy</x> <b> <x id="p3">zzz</x> <x id="p1">AAA</x> </b> </root>
<xsl:variable name="duplicates" as="xs:string*"> <xsl:for-each-group select="//@id" group-by="."> <xsl:sequence select="current-group()[2]"/> </xsl:for-each-group> </xsl:variable>
Michael Kay Saxonica Limited
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