- From: George Cristian Bina <george@oxygenxml.com>
- Date: Tue, 28 Nov 2006 07:11:59 +0200
- To: Erik Johnson <ejohnson@epicor.com>
- CC: xmlschema-dev@w3.org
Hi Erik, The schema is ambiguous so the correct behavior is to report a UPA violation. Best Regards, George --------------------------------------------------------------------- George Cristian Bina <oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger http://www.oxygenxml.com Erik Johnson wrote: > I have two toolkits (from the same company, BTW) that compile the schema > shown below differently. One says the schema is fine while the other says > the choice inside grpC/ElementC1 violates the UPA rule. This example looks > a bit contrived, but it's a reduction from something a lot more complex that > obviously could be re-factored. On the surface, I can see why one might > think having grpA in choice particles at two levels within ElementC1 makes > the content ambiguous. But after thinking about it, I don't think that the > content model is ambiguous. My question is which toolkit is right and which > one gets my bug report? Thanks! > > > > <xs:schema id="XMLSchema1" > > targetNamespace="uri:erik:upaQuestion" > > elementFormDefault="qualified" > > xmlns="uri:erik:upaQuestion" > > xmlns:tns="uri:erik:upaQuestion" > > xmlns:xs="http://www.w3.org/2001/XMLSchema"> > > > > <xs:group name="grpA"> > > <xs:sequence> > > <xs:element name="ElementA1"/> > > </xs:sequence> > > </xs:group> > > > > <xs:group name="grpB"> > > <xs:choice> > > <xs:element name="ElementB1" /> > > <xs:group ref="tns:grpA"/> > > </xs:choice> > > </xs:group> > > > > <xs:group name="grpC"> > > <xs:sequence> > > <xs:element name="ElementC1"> > > <xs:complexType> > > <xs:sequence> > > <xs:choice> > > <xs:group ref="tns:grpB"/> > > <xs:group ref="tns:grpA"/> > > </xs:choice> > > </xs:sequence> > > </xs:complexType> > > </xs:element> > > </xs:sequence> > > </xs:group> > > > > <xs:element name="RootElement"> > > <xs:complexType> > > <xs:choice> > > <xs:group ref="tns:grpC"/> > > <xs:sequence> > > <xs:element name="OtherStuff" /> > > </xs:sequence> > > </xs:choice> > > </xs:complexType> > > </xs:element> > > > > </xs:schema> > > > > > >
Received on Tuesday, 28 November 2006 05:07:22 UTC