Bob,
At 04:21 PM 9/7/2006, you wrote:
I have my test to see if it's finding my target person's name (and
that person is acting) anyplace...
<xsl:if test="//member[(role='Actor') or (role='Guest Star') or
(role='Host')][concat(tv:givenname, ' ', tv:surname) = $matcher]">
Which works fine. Once I know the person is in the data, I go looking
in detail, and my current solution for that is...
<!-- Loop on every crew listed -->
<xsl:for-each select="//member[(role='Actor') or (role='Guest Star')
or (role='Host')][concat(tv:givenname, ' ', tv:surname) = $matcher]" >
<!-- Get //crew @program and do stuff -->
<xsl:variable name="progID" select="../@program" />
<!-- And stuff -->
... which works. But I have similar loops elsewhere where I can
successfully get those two operations combined into a single for-each.
The simplest one is...
<xsl:for-each select="//program[tv:title = $matcher]/@id">
How would I go about getting to where my for-each would be operating
from the @program of (the assorted met conditions)?
First, it doesn't look to me like you need that xsl:if test at all.
As on other occasions, if no such nodes exist, a for-each instruction
won't select any to operate on.
So...
<xsl:for-each select="$monster-path-perhaps-best-bound-to-a-variable">
<xsl:for-each select="../@program">
... stuff on the @program attribute
</xsl:for-each>
... other stuff on the members you've selected
</xsl:for-each>
If you're asking how to process the @program attributes only once
each and not once for each member of interest, simply extend your
monster path a bit further:
<xsl:for-each
select="$monster-path-perhaps-best-bound-to-a-variable/../@program">
... stuff on the program attributes ...
</xsl:for-each>
... and let set logic take care of the rest.
Although we often deride it for its frequent misuses, for-each is
actually handy not only as a switcher of our processing context but
also as a conditional -- process a given node if it exists; and if
not, merrily continue on.
Cheers,
Wendell
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