href and current() in nested p:for-each

In XPL, if you nest for-each elements, how can you reference
the current() of a parent for-each?

Thank you,
Hank Ratzesberger
UCSB

I want to "drill down" an XML document, and replace
elements that are like placeholders with a copy of
an expanded element.

Allow me to give an example of the data:

<central>
 <Project id="100">
  <Experiment link="/Project/100/Experiment/123">
 <Project>
</central>

<central>
  <Experiment id="123">
    <name>Transporter</name>
    <trial link="/Project/100/Experiment/123/Trial/255"
  </Experiment>
</central>

I want to produce:

<central>
  <Project>
    <Experiment>
      <name>Transporter</name>
      <trial>
        <all-your-data/>
      </trial>
    </Experiment>
  </Project>
</central>

However, the there are several levels to this.

<p:for-each href="projects">
  select="/Project/Experiment"
  root="all-experiments"
  id="project-experiments">

  <p:for-each href="experiments">

     <p:for-each href="trials">
     </p:for-each>

  </p:for-each>

</p:for-each>







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Hank,

You probably have to use the oxf:identity processor:

<p:processor name="oxf:identity">
   <p:input name="data" href="current()"/>
   <p:output name="data" id="outer-current"/>
</p:processor>

-Erik

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