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Re: position()

2005-02-02 15:59:03
Alan,

At 04:52 PM 2/2/2005, you wrote:
   <document>
      <bundle>
        <component name="foo"/>
        <bundle>
          <component name="foo"/>
          <target name="foo"/>
        </bundle>
      </bundle>
    </document>

    Given this XSLT:

      <xsl:template match="/document//target">
        <xsl:apply-tempaltes
          select="ancestor::bundle/component[(_at_)name = current()/@name]"/>
      </xsl:template>

    How do I select just the first ancestor component?

    Will this work?

      ancestor::bundle/component[(_at_)name = current()/@name and position() = 
1]

    Or does that refer to the position of component as a child of
    bundle, therefore matching both components.

The latter.

You can get what you want by grouping all the components and then filtering from the group, instead of filtering only on the XPath step:

(ancestor::bundle/component[(_at_)name = current()/@name])[1]

By "first" I assume you mean "first in document order".

Cheers,
Wendell


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Wendell Piez                            
mailto:wapiez(_at_)mulberrytech(_dot_)com
Mulberry Technologies, Inc.                http://www.mulberrytech.com
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Suite 207                                          Phone: 301/315-9631
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