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Re: XML-to-XML recursive template handling

Subject: Re: XML-to-XML recursive template handling
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Mon, 12 Dec 2011 13:43:18 -0500
Re:  XML-to-XML recursive template handling

On 12/11/2011 6:42 PM, Lynn Murdock wrote:
Yes, your solution worked, and that is what I was moving toward; I
just didn't quite know how to get there, and thought I needed to pass
a parameter into a called template to accomplish it. Thank you!

Glad to help.

I do have access to an XSLT 2.0 processor, and can probably modify
these stylesheets to use XSLT 2.0... For future reference, would you
mind explaining what the more graceful XSLT 2.0 solution would be?

Well in this case it wouldn't necessarily be a whole lot different. Instead of testing "normalize-space($result)" you could test, for example, "exists($result/fn)", which would be both more efficient for the processor, and more robust (as well as more intelligible to the maintenance programmer).

Or, instead, group them like so (into a single group):

<xsl:for-each-group select="$result/fn" group-by="true()">
    <xsl:sequence select="current-group()"/>

Or you could change your entire approach, and instead of processing the footnotes and then including your wrapper only conditionally (based on testing to see if there were any results), you could simply post-process your entire document to remove empty fn-group elements. This would be conceptually cleaner, and it will also scale better to more complex cases.


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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