internal static void WriteMatch(int matchLen, int matchPos, OutputBuffer output) { Debug.Assert(matchLen >= FastEncoderWindow.MinMatch && matchLen <= FastEncoderWindow.MaxMatch, "Illegal currentMatch length!"); // Get the code information for a match code var codeInfo = FastEncoderStatics.FastEncoderLiteralCodeInfo[ FastEncoderStatics.NumChars + 1 - FastEncoderWindow.MinMatch + matchLen]; var codeLen = (int)codeInfo & 31; Debug.Assert(codeLen != 0, "Invalid Match Length!"); if (codeLen <= 16) { output.WriteBits(codeLen, codeInfo >> 5); } else { output.WriteBits(16, (codeInfo >> 5) & 65535); output.WriteBits(codeLen - 16, codeInfo >> (5 + 16)); } // Get the code information for a distance code codeInfo = FastEncoderStatics.FastEncoderDistanceCodeInfo[FastEncoderStatics.GetSlot(matchPos)]; output.WriteBits((int)(codeInfo & 15), codeInfo >> 8); var extraBits = (int)(codeInfo >> 4) & 15; if (extraBits != 0) { output.WriteBits(extraBits, (uint)matchPos & FastEncoderStatics.BitMask[extraBits]); } }
internal static void WriteMatch(int matchLen, int matchPos, OutputBuffer output) { uint num = FastEncoderStatics.FastEncoderLiteralCodeInfo[254 + matchLen]; int num2 = (int)(num & 31u); if (num2 <= 16) { output.WriteBits(num2, num >> 5); } else { output.WriteBits(16, num >> 5 & 65535u); output.WriteBits(num2 - 16, num >> 21); } num = FastEncoderStatics.FastEncoderDistanceCodeInfo[FastEncoderStatics.GetSlot(matchPos)]; output.WriteBits((int)(num & 15u), num >> 8); int num3 = (int)(num >> 4 & 15u); if (num3 != 0) { output.WriteBits(num3, (uint)(matchPos & (int)FastEncoderStatics.BitMask[num3])); } }