I don't think this can be done in XSD 1.0

It can be done in XSD 1.1, of course, using assertions.

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay  

> -----Original Message-----
> From: xmlschema-dev-request@w... 
> [mailto:xmlschema-dev-request@w...] On Behalf Of btakacs
> Sent: 18 October 2009 11:32
> To: xmlschema-dev@w...
> Subject: XML schema
> 
> Hi
> 
> I have an xml schema which restricts the 
> Indexes/Tag/@attribute_id values to the ones are defined in 
> the parent element's Attributes/Attribute/@id. Is there a way 
> to extend this and enable one (or more) different static 
> values for example "id"?
> There are more Indexes/Tag and Attributes/Attribute tags and 
> i would like to use this restriction only for thoose that has 
> the same parent.
> 
> Here is my current configuration:
> 
> ....
> <xs:element name="Attributes">
>   <xs:complexType>
>     <xs:sequence>
>       <xs:element name="Attribute" maxOccurs="unbounded">
> 	<xs:complexType>
> 	  <xs:complexContent>
> 	    <xs:extension base="Attribute_Type">
> 	      <xs:attribute name="typedef_id" type="xs:string" 
> use="required"/>
>              </xs:extension>
> 	  </xs:complexContent>
> 	</xs:complexType>
>       </xs:element>
>     </xs:sequence>
>   </xs:complexType>
> </xs:element>
> ....
> <xs:element name="Indexes" minOccurs="0">
>   <xs:complexType>
>     <xs:sequence>
>       <xs:element name="Tag" maxOccurs="unbounded">
> 	<xs:complexType>
>           <xs:attribute name="attribute_id" use="required">
> 		<xs:simpleType>
> 		  <xs:restriction base="xs:string">
> 		    <xs:pattern value="[a-z0-9]([a-z0-9.]|(_[a-z]))*"/>
> 		       </xs:restriction>
> 		    </xs:simpleType>
> 		  </xs:attribute>
> 	       </xs:complexType>
> 	     </xs:element>
> 	  </xs:sequence>
>    </xs:complexType>
> </xs:element>
> ....
> ....
> <xs:key name="ATTRIBUTE">
>     <xs:selector xpath="Attributes/Attribute"/>
>     <xs:field xpath="@id"/>
> </xs:key>
> <xs:keyref name="X001" refer="ATTRIBUTE">
>    <xs:selector xpath="Indexes/Tag"/>
>    <xs:field xpath="@attribute_id"/>
> </xs:keyref>
> ....
> 
> 
> Thanks:
>    Bence
> --
> View this message in context: 
> http://www.nabble.com/XML-schema-tp25945562p25945562.html
> Sent from the w3.org - xmlschema-dev mailing list archive at 
> Nabble.com.
> 
> 
>