internal Arc(State <TData, TOffset> source, Input input, IEnumerable <Output <TData, TOffset> > output, State <TData, TOffset> target, IEnumerable <TagMapCommand> cmds)
{
_source = source;
Input = input;
_outputs = output.ToList().ToReadOnlyList();
Target = target;
_priorityType = ArcPriorityType.Medium;
Priority = -1;
_commands = cmds.ToList();
}
internal override State <TData, TOffset> GenerateNfa(Fst <TData, TOffset> fsa, State <TData, TOffset> startState, out bool hasVariables)
{
hasVariables = false;
ArcPriorityType priorityType = IsGreedy ? ArcPriorityType.High : ArcPriorityType.Low;
State <TData, TOffset> endState;
State <TData, TOffset> currentState = startState;
var startStates = new List <State <TData, TOffset> >();
if (MinOccur == 0)
{
endState = startState.Arcs.Add(fsa.CreateState(), priorityType);
endState = base.GenerateNfa(fsa, endState, out hasVariables);
startStates.Add(currentState);
}
else
{
endState = startState;
for (int i = 0; i < MinOccur; i++)
{
currentState = endState;
endState = base.GenerateNfa(fsa, currentState, out hasVariables);
}
}
if (MaxOccur == Infinite)
{
endState.Arcs.Add(currentState, priorityType);
if (MinOccur == 0)
{
endState = fsa.CreateState();
}
}
else
{
int numCopies = MaxOccur - MinOccur;
if (MinOccur == 0)
{
numCopies--;
}
for (int i = 1; i <= numCopies; i++)
{
startStates.Add(endState);
endState = endState.Arcs.Add(fsa.CreateState(), priorityType);
endState = base.GenerateNfa(fsa, endState, out hasVariables);
}
}
foreach (State <TData, TOffset> state in startStates)
{
state.Arcs.Add(endState);
}
return(endState);
}
internal Arc(State <TData, TOffset> source, State <TData, TOffset> target, ArcPriorityType priorityType)
: this(source, new Input(0), target)
{
_priorityType = priorityType;
}
public State <TData, TOffset> Add(State <TData, TOffset> target, ArcPriorityType priorityType)
{
CheckFrozen();
return(AddInternal(new Arc <TData, TOffset>(_state, target, priorityType)));
}
