public uint Decode(LzmaRangeDecoder rangeDecoder, uint positionState)
{
rangeDecoder.SaveState();
uint num1 = this.choice.Decode(rangeDecoder);
if (rangeDecoder.InputRequired)
{
return(0);
}
uint num2;
if (num1 == 0U)
{
num2 = this.lowCoder[(IntPtr)positionState].Decode(rangeDecoder);
}
else
{
num2 = 8U;
uint num3 = this.choice2.Decode(rangeDecoder);
if (!rangeDecoder.InputRequired)
{
if (num3 == 0U)
{
num2 += this.middleCoder[(IntPtr)positionState].Decode(rangeDecoder);
}
else
{
num2 = num2 + 8U + this.highCoder.Decode(rangeDecoder);
}
}
if (rangeDecoder.InputRequired)
{
this.choice2.RestoreState();
}
}
if (rangeDecoder.InputRequired)
{
this.choice.RestoreState();
rangeDecoder.RestoreState();
}
return(num2);
}
