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Re: Q: XPath Expression for Multiple Attribute testing

Subject: Re: Q: XPath Expression for Multiple Attribute testing in the same sub-element
From: Peter Davis <pdavis152@xxxxxxxxx>
Date: Wed, 20 Mar 2002 18:42:09 -0800
xpath select multiple attributes
On Wednesday 20 March 2002 18:24, Peter Bray wrote:
> Greetings,
>
> 	Given an XML document like the following except with multiple
> products, I wish to select all products of a given classification but
> only if that is their primary classification.
>
> <document>
>   <product name="gdbm">
>     <classificationlist>
>       <classification class="GNUVersion" primary="true"/>
>       <classification class="Library"    primary="false"/>
>     </classificationlist>
>    </product>
>    ....
> </document>
>
> So in <xsl:apply-templates select=""> I what to say
> 	SELECT ALL <product>
>           SUCH THAT classificationlist/classification/@class = $class
> 	        AND classificationlist/classification/@primary = 'true'
>

<xsl:template match="document">
  <xsl:apply-templates 
select="product[classificationlist/classification[@class = $class and 
@primary = 'true']]"/>
</xsl:template>

should do the trick.  The trick is to make the @class and @primary evaluate 
relative to the same <classification> -- using two layers of predicates will 
allow that.

-- 
Peter Davis
It is wrong always, everywhere and for everyone to believe anything upon
insufficient evidence.
- W. K. Clifford, British philosopher, circa 1876

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list


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