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Hi,
I think you want serviceImport|serviceExport instead of
serviceImport/serviceExport in your path.
The "|" operator means "serviceImport or serviceExport", while the slash
means that it is looking for a serviceExport child of serviceImport.
Priscilla
-----------------------------------------------------
Priscilla Walmsley priscilla@walmsley.com
Author, Definitive XML Schema (Prentice Hall PTR)
-----------------------------------------------------
> -----Original Message-----
> From: Pedro Salazar [mailto:pedro-b-salazar@ptinovacao.pt]
> Sent: Friday, February 20, 2004 11:52 AM
> To: XML DEV
> Subject: [xml-dev] schema validate key uniqueness attribute
> (name) of elements
>
> Greetings,
>
> I intend to create a schema where I could validate that an
> element would
> have children elements but the name attribute should be
> unique, or more
> than that, be a key!
>
> I've tried to define it with the element key ("service") but my tests
> failed. I mean, my parser (Xerces2) and oxygen (ide tool) let
> pass that
> constraint in my schema.
>
> My question is if I have my schema well defined for that
> purpose. I put
> the schema and test xml sample that should fail because I have two
> elements with the same name ('service1').
>
> Any ideas?
>
> thanks,
> Pedro Salazar.
>
> Test case:
>
> ======= SCHEMA =========
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
> xmlns:med="http://med/"; targetNamespace="http://med/";>
> <xs:element name="serviceList" type="med:serviceListType">
> <xs:key name="service">
> <xs:selector xpath="serviceImport/serviceExport"/>
> <xs:field xpath="@name"/>
> </xs:key>
> </xs:element>
> <xs:element name="serviceImport" type="med:serviceImportType"/>
> <xs:element name="serviceExport" type="med:serviceExportType"/>
> <xs:complexType name="serviceImportType">
> <xs:attribute name="name" use="required" type="xs:string"/>
> </xs:complexType>
> <xs:complexType name="serviceExportType">
> <xs:attribute name="name" use="required" type="xs:string"/>
> </xs:complexType>
> </xs:schema>
>
> ========= XML ==============
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <serviceList xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://med/ file:/home/psalazar/med.xsd"
> xmlns="http://med/"; name="test" version="1.0">
> <serviceImport name="service1"/>
> <serviceExport name="service1"/>
> </serviceList>
>
> --
> PS
> pedro-b-salazar_at_ptinovacao_dot_pt
> PGP:0E129E31D803BC61
>
>
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