private int createSuccessors(bool Skip, State p1)
{
//State upState = tempState1.Initialize(null);
StateRef upState = tempStateRef2;
State tempState = tempState1.Initialize(Heap);
// PPM_CONTEXT* pc=MinContext, * UpBranch=FoundState->Successor;
PPMContext pc = tempPPMContext1.Initialize(Heap);
pc.Address = minContext.Address;
PPMContext upBranch = tempPPMContext2.Initialize(Heap);
upBranch.Address = foundState.GetSuccessor();
// STATE * p, * ps[MAX_O], ** pps=ps;
State p = tempState2.Initialize(Heap);
int pps = 0;
bool noLoop = false;
if (!Skip)
{
ps[pps++] = foundState.Address; // *pps++ = FoundState;
if (pc.getSuffix() == 0)
{
noLoop = true;
}
}
if (!noLoop)
{
bool loopEntry = false;
if (p1.Address != 0)
{
p.Address = p1.Address;
pc.Address = pc.getSuffix(); // =pc->Suffix;
loopEntry = true;
}
do
{
if (!loopEntry)
{
pc.Address = pc.getSuffix(); // pc=pc->Suffix;
if (pc.NumStats != 1)
{
p.Address = pc.FreqData.GetStats(); // p=pc->U.Stats
if (p.Symbol != foundState.Symbol)
{
do
{
p.IncrementAddress();
} while (p.Symbol != foundState.Symbol);
}
}
else
{
p.Address = pc.getOneState().Address; // p=&(pc->OneState);
}
} // LOOP_ENTRY:
loopEntry = false;
if (p.GetSuccessor() != upBranch.Address)
{
pc.Address = p.GetSuccessor(); // =p->Successor;
break;
}
ps[pps++] = p.Address;
} while (pc.getSuffix() != 0);
} // NO_LOOP:
if (pps == 0)
{
return(pc.Address);
}
upState.Symbol = Heap[upBranch.Address]; // UpState.Symbol=*(byte*)
// UpBranch;
// UpState.Successor=(PPM_CONTEXT*) (((byte*) UpBranch)+1);
upState.SetSuccessor(upBranch.Address + 1); //TODO check if +1 necessary
if (pc.NumStats != 1)
{
if (pc.Address <= subAlloc.PText)
{
return(0);
}
p.Address = pc.FreqData.GetStats();
if (p.Symbol != upState.Symbol)
{
do
{
p.IncrementAddress();
} while (p.Symbol != upState.Symbol);
}
int cf = p.Freq - 1;
int s0 = pc.FreqData.SummFreq - pc.NumStats - cf;
// UpState.Freq=1+((2*cf <= s0)?(5*cf > s0):((2*cf+3*s0-1)/(2*s0)));
upState.Freq = 1 + ((2 * cf <= s0) ? (5 * cf > s0 ? 1 : 0) : ((2 * cf + 3 * s0 - 1) / (2 * s0)));
}
else
{
upState.Freq = pc.getOneState().Freq; // UpState.Freq=pc->OneState.Freq;
}
do
{
// pc = pc->createChild(this,*--pps,UpState);
tempState.Address = ps[--pps];
pc.Address = pc.createChild(this, tempState, upState);
if (pc.Address == 0)
{
return(0);
}
} while (pps != 0);
return(pc.Address);
}
private int createSuccessors(bool Skip, SharpCompress.Compressor.PPMd.H.State p1)
{
StateRef firstState = this.tempStateRef2;
SharpCompress.Compressor.PPMd.H.State pStats = this.tempState1.Initialize(this.Heap);
PPMContext context = this.tempPPMContext1.Initialize(this.Heap);
context.Address = this.minContext.Address;
PPMContext context2 = this.tempPPMContext2.Initialize(this.Heap);
context2.Address = this.foundState.GetSuccessor();
SharpCompress.Compressor.PPMd.H.State state2 = this.tempState2.Initialize(this.Heap);
int num = 0;
bool flag = false;
if (!Skip)
{
this.ps[num++] = this.foundState.Address;
if (context.getSuffix() == 0)
{
flag = true;
}
}
if (flag)
{
goto Label_01E0;
}
bool flag2 = false;
if (p1.Address != 0)
{
state2.Address = p1.Address;
context.Address = context.getSuffix();
flag2 = true;
}
Label_00F2:
if (!flag2)
{
context.Address = context.getSuffix();
if (context.NumStats != 1)
{
state2.Address = context.FreqData.GetStats();
if (state2.Symbol != this.foundState.Symbol)
{
do
{
state2.IncrementAddress();
}while (state2.Symbol != this.foundState.Symbol);
}
}
else
{
state2.Address = context.getOneState().Address;
}
}
flag2 = false;
if (state2.GetSuccessor() != context2.Address)
{
context.Address = state2.GetSuccessor();
}
else
{
this.ps[num++] = state2.Address;
if (context.getSuffix() != 0)
{
goto Label_00F2;
}
}
Label_01E0:
if (num != 0)
{
firstState.Symbol = this.Heap[context2.Address];
firstState.SetSuccessor((int)(context2.Address + 1));
if (context.NumStats != 1)
{
if (context.Address <= this.subAlloc.PText)
{
return(0);
}
state2.Address = context.FreqData.GetStats();
if (state2.Symbol != firstState.Symbol)
{
do
{
state2.IncrementAddress();
}while (state2.Symbol != firstState.Symbol);
}
int num2 = state2.Freq - 1;
int num3 = (context.FreqData.SummFreq - context.NumStats) - num2;
firstState.Freq = 1 + (((2 * num2) <= num3) ? (((5 * num2) > num3) ? 1 : 0) : ((((2 * num2) + (3 * num3)) - 1) / (2 * num3)));
}
else
{
firstState.Freq = context.getOneState().Freq;
}
do
{
pStats.Address = this.ps[--num];
context.Address = context.createChild(this, pStats, firstState);
if (context.Address == 0)
{
return(0);
}
}while (num != 0);
}
return(context.Address);
}