[xsl] position of arbitrary parent

Subject: [xsl] position of arbitrary parent
From: Laurence O Garfield <lgarfiel@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 17 Jul 2001 12:55:02 -0500 (CDT)
I'm back with another one...

I'm trying to parse through two input files, one is DocBook the other is
XHTML that serves as a template.  The template file has alternate
namespace tags within it to trigger certain actions.  However, I'm not
sure how to tell where in the DocBook source I am at a given point in the
template.  For example, I have the template:

<xsl:template match="/">
	<xsl:for-each select="chapter">
		<xsl:apply-templates select="$chapterTemplate/html" />

That should call the template file for each <chapter> element in the book.
However, later on I need to intercept certain tags and replace them with
the chapter number.  That is,

<xsl:template match="call:insert[@id='ChapTitle']">
	<xsl:apply-templates select="$source/book/chapter/title"/>

Where <call:insert id="ChapTitle" /> is a placeholder in the template
file.  How do I determine in the position() of the <chapter> from which it
is being called so that I can call back to it with the
<xsl:apply-templates /> tag?

Am I still technically within the same tree?  If so, then I should be able
to use select="//chapter/title", shouldn't I?  Although elsewhere in the
stylesheet I will need to reference the next and previous <chapter> tags
to the current one as well, which leaves me back with needing to know the
position() of the current <chapter> element.

--Larry Garfield

-- "If at first you don't succeed, skydiving isn't for you." :-)

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