/// <summary>
/// Retrieves a state from the state graph starting at this node
/// </summary>
/// <param name="input"></param>
/// <param name="output"></param>
/// <returns></returns>
public TransducerState <TInput, TOutput> SetStateOutput(TInput input, TOutput output)
{
if (InternalTransitionTable.ContainsKey(input))
{
var state = InternalTransitionTable[input];
// Create a new state with all transitions of the previous state
var newState = new TransducerState <TInput, TOutput>(output);
foreach (var kv in state.InternalTransitionTable)
{
newState.InternalTransitionTable[kv.Key] = kv.Value;
}
return(InternalTransitionTable[input] = newState);
}
else
{
return(InternalTransitionTable[input] = new TransducerState <TInput, TOutput>(output));
}
}
/// <summary>
/// Retrieves a state from the state graph with this node as a starting point
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public TransducerState <TInput, TOutput> GetState(TInput input) =>
InternalTransitionTable.ContainsKey(input)
? InternalTransitionTable[input]
: InternalTransitionTable[input] = new TransducerState <TInput, TOutput>();
/// <summary>
/// Initializes a transducer with a terminal <see cref="InitialState" />
/// </summary>
/// <param name="output"></param>
public Transducer(TOutput output)
{
InitialState = new TransducerState <TInput, TOutput>(output);
}
private Transducer(bool isShallowCopy, Transducer <TInput, TOutput> transducer)
{
InitialState = isShallowCopy ? transducer.InitialState.ShallowCopy() : transducer.InitialState.DeepCopy();
}
/// <summary>
/// Initializes a transducer with a non-terminal <see cref="InitialState" />
/// </summary>
public Transducer()
{
InitialState = new TransducerState <TInput, TOutput>();
}