protected override bool TryDeserialize(ObjectScope scope, TypeModel model, ref ProtoReader.State state, ref object value)
{
var serializer = TypeModel.TryGetSerializer <T>(model);
if (serializer == null)
{
return(false);
}
// note this null-check is non-trivial; for value-type T it promotes the null to a default
T typed = TypeHelper <T> .FromObject(value);
switch (scope)
{
case ObjectScope.LikeRoot:
typed = state.ReadAsRoot <T>(typed, serializer);
break;
case ObjectScope.Scalar:
case ObjectScope.NakedMessage:
typed = serializer.Read(ref state, typed);
break;
case ObjectScope.WrappedMessage:
typed = state.ReadMessage <T>(default, typed, serializer);
break;
default:
return(false);
}
value = typed;
return(true);
}