public virtual int decodeChar()
{
// Debug
//subAlloc.dumpHeap();
if (minContext.Address <= subAlloc.PText || minContext.Address > subAlloc.HeapEnd)
{
return(-1);
}
if (minContext.NumStats != 1)
{
if (minContext.FreqData.GetStats() <= subAlloc.PText || minContext.FreqData.GetStats() > subAlloc.HeapEnd)
{
return(-1);
}
if (!minContext.decodeSymbol1(this))
{
return(-1);
}
}
else
{
minContext.decodeBinSymbol(this);
}
coder.Decode();
while (foundState.Address == 0)
{
coder.AriDecNormalize();
do
{
orderFall++;
minContext.Address = minContext.getSuffix(); // =MinContext->Suffix;
if (minContext.Address <= subAlloc.PText || minContext.Address > subAlloc.HeapEnd)
{
return(-1);
}
}while (minContext.NumStats == numMasked);
if (!minContext.decodeSymbol2(this))
{
return(-1);
}
coder.Decode();
}
int Symbol = foundState.Symbol;
if ((orderFall == 0) && foundState.GetSuccessor() > subAlloc.PText)
{
// MinContext=MaxContext=FoundState->Successor;
int addr = foundState.GetSuccessor();
minContext.Address = addr;
maxContext.Address = addr;
}
else
{
updateModel();
//this.foundState.Address=foundState.Address);//TODO just 4 debugging
if (escCount == 0)
{
clearMask();
}
}
coder.AriDecNormalize(); // ARI_DEC_NORMALIZE(Coder.code,Coder.low,Coder.range,Coder.UnpackRead);
return(Symbol);
}