>
> { "a json name" : 1 } ->
>
> <object>
> <member name="a json name">< value type="Number">123</value></<member>
> </object>
>
>
> "For every member element with an attribute named 'name' with a value "a json name" it must have a single child
> element "value" with a "type" attribute with the value "Number" and its text contents must follow the constraints of xs:decimal
>
> This is difficult or impossible to express in common XML schema languages
> (I think you could do it in schematron though ... painfully, maybe WC3 schema 1.1 with assertions ?)
>
I don't think it's that painful in XSD 1.1 with conditional type assignment (well, no more painful than anything else in XSD, anyway):
<xs:element name="member">
<xs:alternative test="@name='a json name'" type="jsonNumber"/>
<xs:alternative test="@name='another json name'" type="jsonBoolean"/>
....
</xs:element>
<xs:complexType name="jsonNumber">
<xs:sequence>
<xs:element name="Value">
<xs:complexType>
<xs:simpleContent>
<xs:extension base="xs:double">
<xs:attribute name="type" fixed="Number"/>
Michael Kay
Saxonica
