Re: [xsl] Conditional merge of 2 XML files

Subject: Re: [xsl] Conditional merge of 2 XML files
From: "Joris Gillis" <roac@xxxxxxxxxx>
Date: Mon, 05 Sep 2005 21:15:20 +0200
Tempore 17:48:06, die 09/05/2005 AD, hinc in xsl-list@xxxxxxxxxxxxxxxxxxxxxx scripsit Thomas Tarpin-Lyonnet <bartleby@xxxxxxxxxx>:

The solution that Joris gave me was working perfectly but
unfortunately, we have
changed a bit the structure of the xml and now there are some cases where it's
not working.

The structure has become to complicated for me to be able to provide a generic solution.

I tweaked my original a bit with logic depending on element names (this destroys its original generic allures). This adaption ensures the correct output, but the stylesheet looks dirty now. Maybe other posters on this lists can come up with infinitely cleaner (and easier to understand) solutions. Also, if one fails to understand the logic of the algorithm, then the fault lies most likely with me.

<xsl:stylesheet xmlns:xsl=""; version="1.0">
<xsl:output method="xml" indent="yes"/>
<xsl:strip-space elements="*"/>

<xsl:template match="merge">
<xsl:variable name="test" select="document(test)"/>
<xsl:variable name="reference" select="document(reference)"/>
	<xsl:apply-templates mode="merge" select="$reference/*">
		<xsl:with-param name="test" select="$test/*"/>
		<xsl:with-param name="reference" select="$reference/*"/>

<xsl:template match="*" mode="merge">
<xsl:param name="test"/>
<xsl:param name="reference"/>
<xsl:variable name="n"><xsl:number/></xsl:variable>
	<xsl:when test="count(.|$reference)=count($reference)">
			<xsl:copy-of select="$test[name()=name(current())][.=current()]/@*"/>
				<xsl:when test="self::testFamily|self::testNum|self::case|self::xcrdApi|self::api">
					<xsl:apply-templates mode="merge" select="*|text()|$test/*">
						<xsl:with-param name="test"
						<xsl:with-param name="reference" select="*"/>
					<xsl:apply-templates mode="merge" select="*|text()|$test/*">
						<xsl:with-param name="test"
						<xsl:with-param name="reference" select="*"/>
	<xsl:when test="$reference and $test[count(.|current())=1]">
		<xsl:if test="current()[text()[normalize-space()!='']][not(text()=$reference/text())]
		or not($reference[name()=name(current())][number($n)])">
		<xsl:copy-of select="."/>


Joris Gillis (
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