Subject: RE: [xsl] Recursive definition of XML Element From: "Michael Kay" <mhkay@xxxxxxxxxxxx> Date: Thu, 11 Oct 2001 11:03:22 +0100 |
There's enough traffic on this list without having questions unrelated to XSLT. Mike Kay > -----Original Message----- > From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Ma, Yanrui > Sent: 11 October 2001 00:34 > To: 'xsl-list@xxxxxxxxxxxxxxxxxxxxxx' > Subject: [xsl] Recursive definition of XML Element > > > Is recursive definition of XML elements allowed? I have a need for a > recursive xml element like this: > > <Node process="T"> > <Node process="S"> > <Node process="C1"> > <Node process="C2"> > <Node process="P1"/> > <Node process="P2"/> > <Node process="P3"/> > </Node> > <Node process="C3"> > <Node process="P4"/> > <Node process="P5"/> > <Node process="P6"/> > </Node> > </Node> > </Node> > <Node process="Y1"/> > </Node> > > My corresponding schema file (.xsd) is like: > > <xs:complexType name="NodeType"> > <xs:sequence minOccurs="0" maxOccurs="unbounded"> > <xs:choice> > <xs:element name="Node" > type="NodeType"/> > <xs:element name="NodeRef"> > <xs:complexType> > <xs:attribute > name="name" > type="xs:string" use="optional"/> > <xs:attribute > name="node" > type="xs:string" use="required"/> > </xs:complexType> > </xs:element> > <xs:element name="Cluster"> > <xs:complexType> > <xs:sequence > maxOccurs="unbounded"> > <xs:element > name="Node" type="NodeType"/> > </xs:sequence> > <xs:attribute > name="name" > type="xs:string" use="required"/> > </xs:complexType> > </xs:element> > </xs:choice> > </xs:sequence> > <xs:attribute name="name" type="xs:string"/> > <xs:attribute name="process" type="xs:string"/> > </xs:complexType> > > The xml file itself can be parsed, but when parsed together with xsd > validation(using xerces/xalan), the following error happens: > "The attribute 'process' is already used in element 'Node'." > > Any idea? Is the above XML valid, or is this a bug/defect of > Apache parser? > If the XML is invalid, could you suggest an alternative? > > Thanks, > > Yanrui > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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