Sven Groot wrote:
> I have the following XML document.
> 
> <foo:Bar xmlns:foo="urn:foo-namespace">
>   <SomeElt foo:id="test" foo:someparam="bar" someotherparam="someothervalue" 
> />
> </foo:Bar>
> 
> I want to create a schema for the foo namespace. The Bar element should be 
> able to contain any element without a namespace. This is easily accomplished 
> by using <xs:any namespace="##local" processContents="skip" />
> 
> However, as you can see, these elements do contain attributes from the foo 
> namespace. Is it possible to have these attributes validated. For instance 
> if foo:someparam is a simpleType enumeration that allows only the values 
> "foo" and "foo2", how would I have it trigger a schema exception on the 
> above document? What do I need to write in my XSD to make it validate those 
> attributes. Obviously processContents="skip" is wrong, but "lax" has the 
> same results.
> 
> Is there any way this can be done, and if so, how?

Using processContents="lax" I think that at least Xerces-J then tries to 
validate the attributes and flags any errors.
I have used the following schema to test that:

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema
   xmlns:xs="http://www.w3.org/2001/XMLSchema"
   targetNamespace="http://example.com/2004/11/01/foo"
   elementFormDefault="qualified"
   attributeFormDefault="qualified"
   version="1.0">

<xs:element name="element">
   <xs:complexType>
     <xs:sequence>
       <xs:any namespace="##local" processContents="lax" />
     </xs:sequence>
   </xs:complexType>
</xs:element>

<xs:attribute name="enum">
   <xs:simpleType>
     <xs:restriction base="xs:string">
       <xs:enumeration value="Kibo" />
       <xs:enumeration value="Xibo" />
     </xs:restriction>
   </xs:simpleType>
</xs:attribute>

</xs:schema>

then the following instance

<?xml version="1.0" encoding="UTF-8"?>
<foo:element xmlns:foo="http://example.com/2004/11/01/foo"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://example.com/2004/11/01/foo 
test2004110101Xsd.xml">
   <some-element foo:enum="Maho" />
</foo:element>

and then Xerces-J as available with the JEdit XML plugin flags the error

test2004110102.xml:5:cvc-enumeration-valid: Value 'Maho' is not 
facet-valid with respect to enumeration '[Kibo, Xibo]'.

thus at least that processor does validate the attributes.

Trying the same with MSXML 5 however doesn't flag any errors.

I am not sure what the XML schema specifiation requires in that case.

-- 

	Martin Honnen
	http://JavaScript.FAQTs.com/