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Re: [xsl] [XSLT 1.0] Q: recursively eliminate empty nodes


Subject: Re: [xsl] [XSLT 1.0] Q: recursively eliminate empty nodes
From: Hermann Stamm-Wilbrandt <STAMMW@xxxxxxxxxx>
Date: Mon, 8 Nov 2010 20:50:41 +0100

Thanks Ken,

I will post the requirements (which I do not know right now) as soon
as I can contact my colleague tomorrow morning German time.


Mit besten Gruessen / Best wishes,

Hermann Stamm-Wilbrandt
Developer, XML Compiler, L3
Fixpack team lead
WebSphere DataPower SOA Appliances
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From:       "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>
To:         xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Date:       11/08/2010 08:29 PM
Subject:    Re: [xsl] [XSLT 1.0] Q: recursively eliminate empty nodes



At 2010-11-08 20:15 +0100, Hermann Stamm-Wilbrandt wrote:
>on the input file x.xml I posted your solutions produce the same output.
>
>As Ken asked for more inputs I tried adding a comment and then
>the output of your solutions and the recursive solution differ:

Of course they would differ ... you haven't described the
requirements and we volunteers are just guessing.

>$ cat d.xml
><a><b>c<c/></b><b><c/><!--test--></b></a>
>$
>$ xsltproc d1.xsl d.xml
><?xml version="1.0" encoding="UTF-8"?>
><a><b>c</b></a>
>$
>$ xsltproc d2.xsl d.xml
><?xml version="1.0" encoding="UTF-8"?>
><a><b>c</b></a>
>$
>$ xsltproc y.xsl d.xml
><?xml version="1.0"?>
><a><b>c</b><b><!--test--></b></a>
>$
>
>I have to ask the originator of the problem for the exact requirements.

Good ... it will stop the guessing.

For now the XSLT 1.0 solution below will check for empty elements
with your new stipulation.

I hope this helps.

. . . . . . Ken

~/t/ftemp $ cat hermann2.xml
<a><b>c<c/></b><b><c/><!--test--></b></a>
~/t/ftemp $ xslt hermann2.xml hermann.xsl
<?xml version="1.0"
encoding="utf-8"?><a><b>c</b><b><!--test--></b></a>~/t/ftemp $ cat
hermann.xsl
<?xml version="1.0" encoding="US-ASCII"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                 version="1.0">

<xsl:template match="*[not(.//text() | .//comment() |
                            .//processing-instruction())]"/>

<xsl:template match="@*|node()"><!--identity for all other nodes-->
   <xsl:copy>
     <xsl:apply-templates select="@*|node()"/>
   </xsl:copy>
</xsl:template>

</xsl:stylesheet>
~/t/ftemp $


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