public byte DecodeNormal(SevenZip.Sdk.Compression.RangeCoder.Decoder rangeDecoder)
{
uint num = 1;
do
{
num = num << 1 | this.m_Decoders[num].Decode(rangeDecoder);
}while (num < 256U);
return((byte)num);
}
public uint Decode(SevenZip.Sdk.Compression.RangeCoder.Decoder rangeDecoder, uint posState)
{
if (this.m_Choice.Decode(rangeDecoder) == 0U)
{
return(this.m_LowCoder[posState].Decode(rangeDecoder));
}
uint num = 8;
return(this.m_Choice2.Decode(rangeDecoder) != 0U ? num + 8U + this.m_HighCoder.Decode(rangeDecoder) : num + this.m_MidCoder[posState].Decode(rangeDecoder));
}
public byte DecodeWithMatchByte(SevenZip.Sdk.Compression.RangeCoder.Decoder rangeDecoder, byte matchByte)
{
uint num1 = 1;
do
{
uint num2 = (uint)((int)matchByte >> 7 & 1);
matchByte <<= 1;
uint num3 = this.m_Decoders[((uint)(1 + (int)num2 << 8) + num1)].Decode(rangeDecoder);
num1 = num1 << 1 | num3;
if ((int)num2 != (int)num3)
{
while (num1 < 256U)
{
num1 = num1 << 1 | this.m_Decoders[num1].Decode(rangeDecoder);
}
break;
}
}while (num1 < 256U);
return((byte)num1);
}
public byte DecodeWithMatchByte(SevenZip.Sdk.Compression.RangeCoder.Decoder rangeDecoder, uint pos, byte prevByte, byte matchByte)
{
return(this.m_Coders[this.GetState(pos, prevByte)].DecodeWithMatchByte(rangeDecoder, matchByte));
}
public byte DecodeNormal(SevenZip.Sdk.Compression.RangeCoder.Decoder rangeDecoder, uint pos, byte prevByte)
{
return(this.m_Coders[this.GetState(pos, prevByte)].DecodeNormal(rangeDecoder));
}