iTextSharp.text.pdf.codec.TIFFLZWDecoder.GetNextCode C# (CSharp) Метод

        public int GetNextCode() {
            // Attempt to get the next code. The exception is caught to make
            // this robust to cases wherein the EndOfInformation code has been
            // omitted from a strip. Examples of such cases have been observed
            // in practice.
            try {
                nextData = (nextData << 8) | (data[bytePointer++] & 0xff);
                nextBits += 8;
                
                if (nextBits < bitsToGet) {
                    nextData = (nextData << 8) | (data[bytePointer++] & 0xff);
                    nextBits += 8;
                }
                
                int code =
                (nextData >> (nextBits - bitsToGet)) & andTable[bitsToGet-9];
                nextBits -= bitsToGet;
                
                return code;
            } catch (IndexOutOfRangeException) {
                // Strip not terminated as expected: return EndOfInformation code.
                return 257;
            }
        }
    }