[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XML-SCHEMA Q: Adding an xsd:attribute to an xsd:element
What you need is to define a complex type with simple content: <xsd:complexType name="widthType"> <xsd:simpleContent> <xsd:extension base="xsd:decimal"> <xsd:attribute name="units" type="xsd:string" use="optional"/> </xsd:extension> </xsd:simpleContent> </xsd:complexType> Then declare the element as that type: <xsd:element name="width" type="widthType" /> Check out Roger Costello's tutorial. It should answer many of these type of questions. http://www.xfront.com/xml-schema.html -rick At 10:47 AM 5/15/03 -0500, Richard Rowell wrote: >I'm sure the answer is painfully obvious, but I cant figure out how to >add an attribute to an element. I want a structure like this: > ><box> > <size> > <width units='cm'>50</width> > <height units='m'>1</width> > </size> ></box> > >AFAICT I can only attach attributes to complex types in XMLSchema, but >width and height are not complex types (are they?). I know how to >attach the "units" attribute to the size element, but I don't want it >there. This is what I have tried: > ><xsd:element name="size"> > <xsd:complexType> > <xsd:all> > <xsd:element name="width" type="xsd:integer" minOccurs='1' >maxOccurs='1'> > <xsd:attribute name='units' type="xsd:string"/> > </xsd:element> > <xsd:element name="height" type="xsd:integer" minOccurs='1' >maxOccurs='1'/> > </xsd:all> > </xsd:complexType> > </xsd:element> > >Xerces rejects this though: >** Schema error: src-element.0: the content of an element information >item must match (annotation?, (simpleType | complexType)?, (unique | key >| keyref)*). ** >LINE: 1 >PUBLIC_ID: null >SYSTEM_ID: > >-- >Richard Rowell <richard@b...> Rick Taylor XML Developer PPDM Association
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