private void PopChoice()
{
CurrentStates[0].ClearState();
CurrentStates.Clear();
if (_statesStack.Count == 0)
{
throw new Exception("Choice stack is empty. Unable to fallback to another state.");
}
StateMemento memento = _statesStack.Pop();
_inx = memento.TokenIndex;
_move = memento.Move + 1;
CurrentStates.Add(memento.State);
}
public void Memento(StateMemento state)
{
switch (state)
{
case StateMemento.Clean:
Clean = true;
break;
case StateMemento.Creating:
Creating = true;
break;
case StateMemento.Dirty:
Dirty = true;
break;
case StateMemento.Hollow:
Hollow = true;
break;
}
#endregion
}
public void Load(StateMemento stateMemento)
{
_state = stateMemento.State;
_hiddenState = stateMemento.HiddenState;
}
