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https://issues.apache.org/jira/browse/XERCESJ-1541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mukul Gandhi resolved XERCESJ-1541.
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Resolution: Fixed
marking this issue as resolved, since improvements mentioned in this JIRA
issues are now committed to SVN.
> enhancements to CTA implementation
> ----------------------------------
>
> Key: XERCESJ-1541
> URL: https://issues.apache.org/jira/browse/XERCESJ-1541
> Project: Xerces2-J
> Issue Type: Improvement
> Components: XML Schema 1.1 Structures
> Affects Versions: 2.11.0
> Reporter: Mukul Gandhi
> Assignee: Mukul Gandhi
>
> I thought it's good to create this JIRA issue for tracking purposes.
> Following is a summary of significant enhancements we've done to XSD 1.1 CTA
> implementation within Xerces, post 2.11.0 release.
> - added in-scope namespaces to XDM tree for type alternatives (for full XPath
> mode evaluation). this makes possible namespace aware operations on CTA XDM
> nodes (e.g fn:resolve-QName etc)
> - enhanced static type checking of CTA XPath expressions. essentially to
> raise certain errors during static analysis phase for XPath expressions
> (after parsing and before evaluation), for e.g to detect of the schema type
> used in XPath expression is not present in in-scope schema types in XPath
> static context, or if the namespace prefix used in XPath expressions is
> declared.
> - the XDM tree of CTA now carry the document URI of the parent document.
> - we now set base-uri property in CTA's XPath static context.
> - we now correctly set type annotations on CTA XDM nodes, namely xs:untyped
> on the root element node, and xs:untypedAtomic on it's possible attribute.
> Other than these, we've made improvements to quite a few XPath 2.0 F&O
> implementations within PsychoPath XPath engine, which will benefit both CTA
> and assertions.
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