/// <summary>determines the mapping for the case, where clsType is a CLS-interface</summary>
private object CallActionForDNInterface(ref Type clsType, MappingAction action) {
// distinguish the different cases here
object[] attrs = clsType.GetCustomAttributes(s_interfaceTypeAttrType, true);
if (attrs.Length > 1) {
// only one InterfaceTypeAttribute for an interface allowed
throw new INTERNAL(18811, CompletionStatus.Completed_MayBe);
}
InterfaceTypeAttribute interfaceAttr = null;
if (attrs.Length > 0) {
interfaceAttr = (InterfaceTypeAttribute) attrs[0];
}
if ((interfaceAttr == null) || (interfaceAttr.IdlType.Equals(IdlTypeInterface.AbstractInterface))) {
return action.MapToIdlAbstractInterface(clsType);
} else if (interfaceAttr.IdlType.Equals(IdlTypeInterface.ConcreteInterface)) {
return action.MapToIdlConcreteInterface(clsType);
} else if (interfaceAttr.IdlType.Equals(IdlTypeInterface.AbstractValueType)) {
return action.MapToIdlAbstractValueType(clsType);
} else if (interfaceAttr.IdlType.Equals(IdlTypeInterface.LocalInterface)) {
return action.MapToIdlLocalInterface(clsType);
} else {
// ttributte IntrerfaceTypeAttribute had an unknown value for IDLType: interfaceAttr.IdlType
throw new MARSHAL(18809, CompletionStatus.Completed_MayBe);
}
}