whenever I extract the getMemberTypeName or getMemberTypeNamespace of an
item defined as a union the result is always null, for instance:
<xs:attribute name="salary">
<xs:simpleType>
<xs:union>
<xs:simpleType>
<xs:restriction base='xs:integer'/>
</xs:simpleType>
<xs:simpleType>
<xs:restriction base='xs:string'/>
</xs:simpleType>
</xs:union>
</xs:simpleType>
</xs:attribute>
every instance of salary will validate either as a xs:string or as an
xs:integer. Xerces does return the type info of the validated member,
which (by definition of union) is some anonymous simpleType with an
inaccessible restriction, i.e. not very useful...
I think that, from what I can make out of the Schema Structures doc
below, it should instead return the type of the base type (i.e.
xs:integer or xs:string) of the restriction, am I wrong?
> [member type definition name] The {name} of the �actual member type
> definition�, if it is not �absent�. If it is �absent�, schema
> processors may, but need not, provide a value unique to the definition.
>
> [member type definition] If and only if that type definition has
> {variety} union, then an �item isomorphic� to that member of its
> {member type definitions} which actually �validated� the attribute
> item's [normalized value].
Regardless of the exactitude of my interpretation, how do we get useful
information out of the PSVI?
TIA,
- Fabio
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