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Posted to dev@xalan.apache.org by "Henry Zongaro (JIRA)" <xa...@xml.apache.org> on 2004/11/19 15:44:29 UTC
[jira] Resolved: (XALANJ-1754) Wrong evaluation of XPath expressions using key()
[ http://nagoya.apache.org/jira/browse/XALANJ-1754?page=history ]
Henry Zongaro resolved XALANJ-1754:
-----------------------------------
Resolution: Fixed
It looks like Igor Hersht fixed this problem in February, 2004, but neglected to add a remark to this defect report. Xalan-J 2.6.0 should contain the fix for this problem.
> Wrong evaluation of XPath expressions using key()
> -------------------------------------------------
>
> Key: XALANJ-1754
> URL: http://nagoya.apache.org/jira/browse/XALANJ-1754
> Project: XalanJ2
> Type: Bug
> Components: XPath
> Versions: 2.5Dx
> Environment: Operating System: Windows NT/2K
> Platform: PC
> Reporter: Amir Rosen
> Priority: Blocker
> Attachments: test.xml, test.xsl
>
> key() expressions using 2 filters sometimes return the wrong result (sometimes
> return an empty nodeset and sometimes return the source document root)
> for example the expression:
> (key('object','obj1')[true()])[1]
> should return the first node that matches the key (if such) when in fact it
> returns the source document root.
> test case:
> ----------
> XML:
> <?xml version="1.0" encoding="UTF-8"?>
> <objects>
> <object name="obj1"/>
> </objects>
> XSL:
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
> <xsl:output method="xml" encoding="UTF-8"/>
> <xsl:key name="object" match="objects/object" use="@name"/>
> <xsl:template match="/">
> <body>
> <xsl:copy-of select="(key('object','obj1')[true()])[1]"/>
> </body>
> </xsl:template>
> </xsl:stylesheet>
> RESULT:
> <?xml version="1.0" encoding="UTF-8"?>
> <body>
> <objects>
> <object name="obj1"/>
> </objects>
> </body>
> EXPECTED RESULT:
> <?xml version="1.0" encoding="UTF-8"?>
> <body>
> <object name="obj1"/>
> </body>
> ----------------------------------------
> For automatically generated XSLT it is sometimes very difficult to avoid such
> expressions from being generated - so just not using this kind of expressions
> is not a good solution or workaround.
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