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XSL select only nodes which contain a specific child node

From: William Krick <wkrick@-----.--->
To: NULL
Date: 7/8/2009 7:31:00 AM

Given the following extremely simplified XML...

<AA>
  <BB></BB>
  <BB><CC>foo</CC></BB>
  <BB></BB>
  <BB><CC>bar</CC></BB>
</AA>

...is there an easy way to use and XSL select to get only the <BB>
nodes which have a <CC> child node?

<xsl:for-each select="AA/BB">

Gives me 4 nodes:

  <BB></BB>
  <BB><CC>foo</CC></BB>
  <BB></BB>
  <BB><CC>bar</CC></BB>


<xsl:for-each select="AA/BB/CC">

Gives me 2 nodes, but it's at the CC level and I need it to be at the
BB level because there's a bunch of other nodes there that need to be
processed as well.

  <CC>foo</CC>
  <CC>bar</CC>


I'm thinking that there must be some sort of conditional select XPATH
that will get me what I need:

  <BB><CC>foo</CC></BB>
  <BB><CC>bar</CC></BB>


Any tips?

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XSL select only nodes which contain a specific child node