void EncodeMatchLength(int length)
{
int len = length - MIN_MATCH;
if (len < A)
{
Output.WriteBits(1, 1); // 1
Output.WriteBits(len, A_BITS);
}
else if (len < B)
{
Output.WriteBits(1, 2); // 01
Output.WriteBits(len - A, B_BITS);
}
else if (len < C)
{
Output.WriteBits(1, 3); // 001
Output.WriteBits(len - B, C_BITS);
}
else if (len < D)
{
Output.WriteBits(1, 4); // 0001
Output.WriteBits(len - C, D_BITS);
}
else if (len < E)
{
Output.WriteBits(1, 5); // 00001
Output.WriteBits(len - D, E_BITS);
}
else
{
Output.WriteBits(0, 5); // 00000
Output.WriteBits(len - E, F_BITS);
}
}
public void Encode(BitWriterFwd writer, int symbol)
{
var sym = Symbols[symbol];
writer.WriteBits(sym.Code, sym.Length);
}