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Re: Q: XPath Expression for Multiple Attribute testing in the same sub-element
- From: Peter Bray <pdb_ml at yahoo dot com dot au>
- To: xsl-list at lists dot mulberrytech dot com
- Date: Thu, 21 Mar 2002 16:07:09 +1100 (EST)
- Subject: Re: [xsl] Q: XPath Expression for Multiple Attribute testing in the same sub-element
- Reply-to: xsl-list at lists dot mulberrytech dot com
Many Thanks - This nest is something I did not see in any of the book I
was looking at. Maybe it should be in the FAQ :-)
--- Peter Davis <pdavis152@attbi.com> wrote: > 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
>
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