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Posted to c-dev@xerces.apache.org by "Alberto Massari (JIRA)" <xe...@xml.apache.org> on 2008/03/14 12:37:24 UTC
[jira] Resolved: (XERCESC-1787) Wildcard namespace prefixes in
XPath are not reported as errors
[ https://issues.apache.org/jira/browse/XERCESC-1787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alberto Massari resolved XERCESC-1787.
--------------------------------------
Resolution: Fixed
Assignee: Alberto Massari
The scanner was stopping at the ':' symbol, returning 'false'. The parser was ignoring the status and processed the available tokens, i.e. assuming the query was just "*"
> Wildcard namespace prefixes in XPath are not reported as errors
> ---------------------------------------------------------------
>
> Key: XERCESC-1787
> URL: https://issues.apache.org/jira/browse/XERCESC-1787
> Project: Xerces-C++
> Issue Type: Bug
> Components: Validating Parser (XML Schema)
> Affects Versions: 2.8.0, 3.0.0
> Reporter: John Snelson
> Assignee: Alberto Massari
> Fix For: 3.0.0, 2.9.0
>
> Attachments: foo.xml, foo.xsd
>
>
> Both XPath and XML Schema forbid the use of * to designate a wildcard namespace:
> http://www.w3.org/TR/xmlschema-1/#NameTest
> Xerces-C seems to accept unique constraints that include wildcard namespaces. Below are three scenarios using wildcard namespaces, and their outcome with the attached XML and XSD files.
> 1)
> <xs:unique name="vinUnique">
> <xs:selector xpath="*:car"/>
> <xs:field xpath="@vin"/>
> </xs:unique>
> Xerces-C 2.8: Valid
> Xerces-C 3.0: Valid
> 2)
> <xs:unique name="vinUnique">
> <xs:selector xpath="*:car/@vin"/>
> <xs:field xpath="."/>
> </xs:unique>
> Xerces-C 2.8: "Duplicate unique value declared"
> Xerces-C 3.0: Valid
> 3)
> <xs:unique name="vinUnique">
> <xs:selector xpath="."/>
> <xs:field xpath="*:car/@vin"/>
> </xs:unique>
> Xerces-C 2.8: "Field matches more than one value within the scope of its selector" and "Duplicate unique value declared"
> Xerces-C 3.0: Valid
> It seems that Xerces-C should report an error if it encounters a wildcard namespace, instead of accepting it and evaluating it with varying degrees of success.
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