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https://issues.apache.org/jira/browse/XALANJ-2818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17957014#comment-17957014
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Martin Honnen commented on XALANJ-2818:
---------------------------------------
Joe,
I do disagree with your resolution, try an XSLT 3.0 processor like Saxon 12 and
you will find that
{code:java}
<xsl:template match="/">
<xsl:value-of select="count(descendant-or-self::document-node())"/>
</xsl:template>{code}
selects one node/counts one node. I know how to count a document node but the
test case has been written to demonstrate that Xalan currently selects/matches
nodes as document nodes that are not document nodes.
So all descendants of a node are on the descendant-or-self axis, yes, but only
one of them is a document-node(), so the node test document-node(), even if
used on the descendant-or-self axis, should select a single node. See
https://www.w3.org/TR/xpath-31/#node-tests.
> document-node() matches/selects more than document nodes
> --------------------------------------------------------
>
> Key: XALANJ-2818
> URL: https://issues.apache.org/jira/browse/XALANJ-2818
> Project: XalanJ2
> Issue Type: Bug
> Security Level: No security risk; visible to anyone(Ordinary problems in
> Xalan projects. Anybody can view the issue.)
> Components: Xalan, Xalan-CmdLine, XPath
> Affects Versions: The Latest Development Code
> Environment: Java 8, Windows 11
> Reporter: Martin Honnen
> Assignee: Joe Kesselman
> Priority: Major
> Attachments: document-node-test1.xsl, document-node-test2.xsl,
> sample2.xml
>
>
> This is a bug report against the XSLT 3.0 development branch of Xalan.
> I find that document-node() matches/selects a lot more than just document
> nodes.
> Here are two test cases:
>
>
> {code:java}
> <?xml version="1.0" encoding="utf-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> version="3.0"
> xmlns:xs="http://www.w3.org/2001/XMLSchema";
> xmlns:map="http://www.w3.org/2005/xpath-functions/map";
> xmlns:array="http://www.w3.org/2005/xpath-functions/array";
> exclude-result-prefixes="#all">
> <xsl:output method="text"/>
> <xsl:template match="/">
> <xsl:value-of select="count(descendant-or-self::document-node())"/>
> </xsl:template>
> </xsl:stylesheet>
> {code}
>
> which should output 1 for any XML input but seems to output the number of
> nodes in the whole input document and
>
> {code:java}
> <?xml version="1.0" encoding="utf-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> version="3.0"
> xmlns:xs="http://www.w3.org/2001/XMLSchema";
> xmlns:map="http://www.w3.org/2005/xpath-functions/map";
> xmlns:array="http://www.w3.org/2005/xpath-functions/array";
> exclude-result-prefixes="#all">
> <xsl:output method="text"/>
>
> <xsl:param name="count" as="xs:integer" select="1"/>
> <xsl:template match="document-node()">
> <xsl:param name="count" select="$count"/>
> <xsl:text>Matching document-node() </xsl:text>
> <xsl:value-of select="$count"/>
> <xsl:text> </xsl:text>
> <xsl:apply-templates>
> <xsl:with-param name="count" select="$count + 1"/>
> </xsl:apply-templates>
> </xsl:template>
> </xsl:stylesheet>
> {code}
> which should process the single document nodes but with Xalan processes lots
> of nodes e.g. outputs
>
> {noformat}
> Matching document-node() 1
> Matching document-node() 2
> Matching document-node() 3
> Matching document-node() 3
> Matching document-node() 4
> Matching document-node() 4
> Matching document-node() 5
> Matching document-node() 4
> Matching document-node() 4
> Matching document-node() 5
> Matching document-node() 4
> Matching document-node() 3
> Matching document-node() 3
> Matching document-node() 4
> Matching document-node() 4
> Matching document-node() 5
> Matching document-node() 4
> Matching document-node() 4
> Matching document-node() 5
> Matching document-node() 4
> Matching document-node() 3{noformat}
> Input sample is e.g.
> {code:java}
> <root>
> <div>
> <para>This is a test.</para>
> <para>This is a test.</para>
> </div>
> <div>
> <para>This is a second test.</para>
> <para>This is a second test.</para>
> </div>
> </root>{code}
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