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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=8236 Problem with recursive and derived elements Summary: Problem with recursive and derived elements Product: Xerces-C++ Version: 1.7.0 Platform: PC OS/Version: Windows NT/2K Status: NEW Severity: Major Priority: Other Component: Validating Parser (Schema) (Xerces 1.5 or up only) AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] I'd like to use following schema (dummy.xsd): <?xml version="1.0" encoding="UTF- 8"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"; xmlns:pr="http://www.homag.de/proresult"; targetNamespace="http://www.homag.de/proresult"; elementFormDefault="qualified" attributeFormDefault="unqualified"> <xs:attributeGroup name="AttrDERIVED1"> <xs:attribute name="Derived1Name" type ="xs:string" use="required"/> </xs:attributeGroup> <xs:complexType name="DERIVED1"> <xs:complexContent> <xs:extension base="pr:BASE"> <xs:attributeGroup ref="pr:AttrDERIVED1"/> </xs:extension> </xs:complexContent> </xs:complexType> <xs:attributeGroup name="AttrDERIVED2"> <xs:attribute name="Derived2Name" type ="xs:string" use="required"/> </xs:attributeGroup> <xs:complexType name="DERIVED2"> <xs:complexContent> <xs:extension base="pr:BASE"> <xs:attributeGroup ref="pr:AttrDERIVED2"/> </xs:extension> </xs:complexContent> </xs:complexType> <xs:attributeGroup name="AttrDERIVED3"> <xs:attribute name="Derived3Name" type ="xs:string" use="required"/> </xs:attributeGroup> <xs:complexType name="DERIVED3"> <xs:complexContent> <xs:extension base="pr:BASE"> <xs:attributeGroup ref="pr:AttrDERIVED3"/> </xs:extension> </xs:complexContent> </xs:complexType> <xs:attributeGroup name="AttrBASE"> <xs:attribute name="BaseName" type ="xs:string" use="required"/> </xs:attributeGroup> <xs:complexType name="BASE"> <xs:sequence minOccurs="0" maxOccurs="unbounded"> <xs:element name="BASE" type="pr:BASE" minOccurs="0" maxOccurs="1"/> </xs:sequence> <xs:attributeGroup ref="pr:AttrBASE"/> </xs:complexType> <xs:element name="PRORESULT"> <xs:complexType> <xs:all> <xs:element name="BASE" type="pr:BASE" minOccurs="0" maxOccurs="1"/> </xs:all> </xs:complexType> </xs:element> </xs:schema> There are a base type ("BASE") and 3 derived types ("DERIVED1".."DERIVED3"). A BASE type can contain itself recursively. Calling the XERCES parser (V.1.7.0, latest stable version) with the xml file below (pparse -v=always -n -s -f dummy.xml) causes an error: Message: Type 'pr:DERIVED3' that is used in xsi:type is not derived from the type of element 'BASE' <?xml version="1.0" encoding="iso-8859-1"?> <pr:PRORESULT xmlns:pr="http://www.homag.de/proresult"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://www.homag.de/proresult dummy.xsd"> <pr:BASE xsi:type="pr:DERIVED1" BaseName="Base" Derived1Name="Derived1a"> <pr:BASE xsi:type="pr:DERIVED2" BaseName="Base" Derived2Name ="Derived2a"> <pr:BASE xsi:type="pr:DERIVED3" BaseName="Base" Derived3Name ="Derived3a"> </pr:BASE> </pr:BASE> </pr:BASE> </pr:PRORESULT> Using element DERIVED2 instead of DERIVED3 works. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
