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Posted to j-dev@xerces.apache.org by "Mukul Gandhi (Updated) (JIRA)" <xe...@xml.apache.org> on 2011/10/31 13:41:32 UTC
[jira] [Updated] (XERCESJ-1541) enhancements to CTA implementation
[ https://issues.apache.org/jira/browse/XERCESJ-1541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mukul Gandhi updated XERCESJ-1541:
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Description:
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.
was:
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.
> 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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