Re: dynamically applying templates

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Subject: Re: dynamically applying templates
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Thu, 16 Sep 2004 12:00:27 -0400

Bruce,

At 01:22 AM 9/16/2004, you wrote:

        <reftype name="book">
          <title font-style="italic" after=", "/>
          <creator>
            <names form="full"/>
          </creator>
          <origin before="(" after="), ">
            <place after=":"/>
            <publisher/>
          </origin>

With this template ...

<xsl:template match="cs:origin">
  <xsl:param name="source"/>
  <xsl:apply-templates>
    <xsl:with-param name="source" select="."/>
  </xsl:apply-templates>
</xsl:template>

As you surmised, $source should refer to the node in the mods data, not the cs data, so this should be

<xsl:template match="cs:origin">
  <xsl:param name="source"/>
  <xsl:apply-templates>
    <xsl:with-param name="source" select="$source"/>
  </xsl:apply-templates>
</xsl:template>

As you traverse down the branches of the cs: tree, you need to keep track of what branch of the mods: tree you were in before you jumped into the other tree, so that inside these templates you can get their data.

If we could talk this true at a whiteboard I could make this clear in a minute ... unfortunately, as I said, this processing-two-trees stuff is like XSLT on steroids.

In any case, yes ...

.... am I right that I am passing cs:origin as the source to the children, where I really need to be passing the original mods:mods source. A child looks like:
<xsl:template match="cs:place">
  <xsl:param name="source"/>
  <xsl:apply-templates select="$source/mods:originInfo/mods:place"/>
</xsl:template>
I'm not sure, but is this where tunneling should come in? And if yes, how do I actually use it in this context?

Exactly right.

Tunneling parameters would only mean that your cs:origin template need not actually declare and pass $source, so

<xsl:template match="cs:origin">
  <xsl:apply-templates/>
</xsl:template>

(i.e. the built-in template) would work as well as what I have above.

Bob DuCharme has a nice column about tunneling parameters on XML.com:
http://www.xml.com/pub/a/2004/03/24/tr.html

Cheers,
Wendell

======================================================================
Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
17 West Jefferson Street                    Direct Phone: 301/315-9635
Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
----------------------------------------------------------------------
  Mulberry Technologies: A Consultancy Specializing in SGML and XML
======================================================================


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Current Thread
Re: dynamically applying templates, (continued) Wendell Piez - 15 Sep 2004 19:03:46 -0000 Bruce D'Arcus - 15 Sep 2004 19:30:43 -0000 Wendell Piez - 15 Sep 2004 22:23:32 -0000 Bruce D'Arcus - 16 Sep 2004 05:22:12 -0000 Wendell Piez - 16 Sep 2004 16:17:37 -0000 <=

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Re: dynamically applying temp, Bruce D'Arcus	Thread	Re: xsl-list Digest 10 Sep 20, Sundar Narasimhan
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