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Thanks for your help, Michael. It worked :) I never used such a generic pattern for XML processing and it takes me time to "swallow" it. I have another problem -- the input now is a test-case comprising of two procedures: <case name="CaseA">
<procedure name="RunSomething">
<command src="10" />
<command src="11" />
<command src="12" />
<command src="13" />
<call name="DoFoo">
<command src="20" />
<command src="21" />
<command src="22" />
<call name="MakeFoo">
<command src="30" />
<command src="31" failed="true()" />
<command src="32" />
</call>
<command src="24" />
<command src="25" failed="true()" />
<call name="WriteFoo">
<command src="40" />
<command src="41" failed="true()" />
<command src="42" />
</call>
<command src="26" />
</call>
</procedure>
<procedure name="RunSomethingElse">
<command src="100" failed="true()" />
</procedure>
</case>The XSL: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xalan="http://xml.apache.org/xalan" exclude-result-prefixes="xalan"> <xsl:output method="xml" indent="yes" encoding="UTF-8"
media-type="text/xml" xalan:indent-amount="2" /><xsl:strip-space elements="*" /> <xsl:variable name="firstFailure" select="(//command[@failed=true()])[1]" /> <xsl:variable name="pathToFirstFailure" select="xalan:nodeset($firstFailure)/ancestor-or-self::*" /> <xsl:variable name="idOfFirstFailure" select="generate-id($firstFailure)" /> <xsl:template
match="command[@failed=true() and generate-id(.)=$idOfFirstFailure]">
<failing-command src="{@src}" />
</xsl:template><xsl:template match="*[xalan:intersection(node(), xalan:nodeset($pathToFirstFailure))]"> <xsl:copy> <xsl:copy-of select="@*" /> <xsl:apply-templates /> </xsl:copy> </xsl:template> <xsl:template match="*" /> </xsl:stylesheet> The output:
<case name="CaseA">
<procedure name="RunSomething">
<call name="DoFoo">
<call name="MakeFoo">
<failing-command src="31" />
</call>
</call>
</procedure>
</case>The required output should be:
<case name="CaseA">
<procedure name="RunSomething">
<call name="DoFoo">
<call name="MakeFoo">
<failing-command src="31" />
</call>
</call>
</procedure>
<procedure name="RunSomething">
<failing-command src="100" />
</procedure>
</case>It seems that another level of filtering is required, but currently do not see how to construct it. Bast regards and thanks for your help again, Adrian. On 20/06/2010 01:24, Michael Kay wrote: On 19/06/2010 19:12, Adrian Herscu wrote:<xsl:template match="command[@failed=true()]">
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