public static Fst get(Fst fst)
{
if (fst.getSemiring() == null)
{
return(null);
}
Semiring semiring = fst.getSemiring();
Fst fst2 = new Fst(semiring);
fst2.setIsyms(fst.getIsyms());
fst2.setOsyms(fst.getOsyms());
LinkedList linkedList = new LinkedList();
HashMap hashMap = new HashMap();
State state = new State(semiring.zero());
string text = new StringBuilder().append("(").append(fst.getStart()).append(",").append(semiring.one()).append(")").toString();
linkedList.add(new ArrayList());
((ArrayList)linkedList.peek()).add(new Pair(fst.getStart(), Float.valueOf(semiring.one())));
fst2.addState(state);
hashMap.put(text, state);
fst2.setStart(state);
while (!linkedList.isEmpty())
{
ArrayList arrayList = (ArrayList)linkedList.remove();
State stateLabel = Determinize.getStateLabel(arrayList, hashMap);
ArrayList uniqueLabels = Determinize.getUniqueLabels(fst, arrayList);
Iterator iterator = uniqueLabels.iterator();
while (iterator.hasNext())
{
int num = ((Integer)iterator.next()).intValue();
Float @float = Float.valueOf(semiring.zero());
Iterator iterator2 = arrayList.iterator();
while (iterator2.hasNext())
{
Pair pair = (Pair)iterator2.next();
State state2 = (State)pair.getLeft();
Float float2 = (Float)pair.getRight();
int numArcs = state2.getNumArcs();
for (int i = 0; i < numArcs; i++)
{
Arc arc = state2.getArc(i);
if (num == arc.getIlabel())
{
@float = Float.valueOf(semiring.plus(@float.floatValue(), semiring.times(float2.floatValue(), arc.getWeight())));
}
}
}
ArrayList arrayList2 = new ArrayList();
Iterator iterator3 = arrayList.iterator();
while (iterator3.hasNext())
{
Pair pair2 = (Pair)iterator3.next();
State state3 = (State)pair2.getLeft();
Float float3 = (Float)pair2.getRight();
Float float4 = Float.valueOf(semiring.divide(semiring.one(), @float.floatValue()));
int numArcs2 = state3.getNumArcs();
for (int j = 0; j < numArcs2; j++)
{
Arc arc2 = state3.getArc(j);
if (num == arc2.getIlabel())
{
State nextState = arc2.getNextState();
Pair pair3 = Determinize.getPair(arrayList2, nextState, Float.valueOf(semiring.zero()));
pair3.setRight(Float.valueOf(semiring.plus(((Float)pair3.getRight()).floatValue(), semiring.times(float4.floatValue(), semiring.times(float3.floatValue(), arc2.getWeight())))));
}
}
}
string text2 = "";
Iterator iterator4 = arrayList2.iterator();
while (iterator4.hasNext())
{
Pair pair4 = (Pair)iterator4.next();
State state4 = (State)pair4.getLeft();
Float float4 = (Float)pair4.getRight();
if (!String.instancehelper_equals(text2, ""))
{
text2 = new StringBuilder().append(text2).append(",").toString();
}
text2 = new StringBuilder().append(text2).append("(").append(state4).append(",").append(float4).append(")").toString();
}
if (hashMap.get(text2) == null)
{
State state2 = new State(semiring.zero());
fst2.addState(state2);
hashMap.put(text2, state2);
Float float2 = Float.valueOf(state2.getFinalWeight());
Iterator iterator5 = arrayList2.iterator();
while (iterator5.hasNext())
{
Pair pair5 = (Pair)iterator5.next();
float2 = Float.valueOf(semiring.plus(float2.floatValue(), semiring.times(((State)pair5.getLeft()).getFinalWeight(), ((Float)pair5.getRight()).floatValue())));
}
state2.setFinalWeight(float2.floatValue());
linkedList.add(arrayList2);
}
stateLabel.addArc(new Arc(num, num, @float.floatValue(), (State)hashMap.get(text2)));
}
}
return(fst2);
}
public static Fst get(Fst fst, int n, bool determinize)
{
if (fst == null)
{
return(null);
}
if (fst.getSemiring() == null)
{
return(null);
}
Fst fst2 = fst;
if (determinize)
{
fst2 = Determinize.get(fst);
}
Semiring semiring = fst2.getSemiring();
Fst fst3 = new Fst(semiring);
fst3.setIsyms(fst2.getIsyms());
fst3.setOsyms(fst2.getOsyms());
float[] array = NShortestPaths.shortestDistance(fst2);
ExtendFinal.apply(fst2);
int[] array2 = new int[fst2.getNumStates()];
PriorityQueue priorityQueue = new PriorityQueue(10, new NShortestPaths_1(array, semiring));
HashMap hashMap = new HashMap(fst.getNumStates());
HashMap hashMap2 = new HashMap(fst.getNumStates());
State start = fst2.getStart();
Pair pair = new Pair(start, Float.valueOf(semiring.one()));
priorityQueue.add(pair);
hashMap.put(pair, null);
while (!priorityQueue.isEmpty())
{
Pair pair2 = (Pair)priorityQueue.remove();
State state = (State)pair2.getLeft();
Float @float = (Float)pair2.getRight();
State state2 = new State(state.getFinalWeight());
fst3.addState(state2);
hashMap2.put(pair2, state2);
if (hashMap.get(pair2) == null)
{
fst3.setStart(state2);
}
else
{
State state3 = (State)hashMap2.get(hashMap.get(pair2));
State state4 = (State)((Pair)hashMap.get(pair2)).getLeft();
for (int i = 0; i < state4.getNumArcs(); i++)
{
Arc arc = state4.getArc(i);
if (arc.getNextState().equals(state))
{
state3.addArc(new Arc(arc.getIlabel(), arc.getOlabel(), arc.getWeight(), state2));
}
}
}
Integer integer = Integer.valueOf(state.getId());
int[] array3 = array2;
int num = integer.intValue();
int[] array4 = array3;
array4[num]++;
if (array2[integer.intValue()] == n && state.getFinalWeight() != semiring.zero())
{
break;
}
if (array2[integer.intValue()] <= n)
{
for (int j = 0; j < state.getNumArcs(); j++)
{
Arc arc2 = state.getArc(j);
float num2 = semiring.times(@float.floatValue(), arc2.getWeight());
Pair pair3 = new Pair(arc2.getNextState(), Float.valueOf(num2));
hashMap.put(pair3, pair2);
priorityQueue.add(pair3);
}
}
}
return(fst3);
}