CSharpUtils.BitReader.EnsureData C# (CSharp) Метод

        void EnsureData(int bitCount)
        {
            int readBits = bitCount - InBuffer;
            while (readBits > 0)
            {
                int b = BaseStream.ReadByte();

                if (b < 0) throw new Exception("Unexpected end of stream");

                readData |= checked((uint)b << endPosition);
                endPosition += 8;
                readBits -= 8;
            }
        }