UnityEngine.Networking.NetworkHash128.HexToNumber C# (CSharp) Method

        private static int HexToNumber(char c)
        {
            if ((c >= '0') && (c <= '9'))
            {
                return (c - '0');
            }
            if ((c >= 'a') && (c <= 'f'))
            {
                return ((c - 'a') + 10);
            }
            if ((c >= 'A') && (c <= 'F'))
            {
                return ((c - 'A') + 10);
            }
            return 0;
        }

        public static NetworkHash128 Parse(string text)
        {
            int length = text.Length;

            if (length < 32)
            {
                string str = string.Empty;
                for (int i = 0; i < 32 - length; i++)
                {
                    str += "0";
                }
                text = str + text;
            }
            NetworkHash128 result;

            result.i0  = (byte)(NetworkHash128.HexToNumber(text[0]) * 16 + NetworkHash128.HexToNumber(text[1]));
            result.i1  = (byte)(NetworkHash128.HexToNumber(text[2]) * 16 + NetworkHash128.HexToNumber(text[3]));
            result.i2  = (byte)(NetworkHash128.HexToNumber(text[4]) * 16 + NetworkHash128.HexToNumber(text[5]));
            result.i3  = (byte)(NetworkHash128.HexToNumber(text[6]) * 16 + NetworkHash128.HexToNumber(text[7]));
            result.i4  = (byte)(NetworkHash128.HexToNumber(text[8]) * 16 + NetworkHash128.HexToNumber(text[9]));
            result.i5  = (byte)(NetworkHash128.HexToNumber(text[10]) * 16 + NetworkHash128.HexToNumber(text[11]));
            result.i6  = (byte)(NetworkHash128.HexToNumber(text[12]) * 16 + NetworkHash128.HexToNumber(text[13]));
            result.i7  = (byte)(NetworkHash128.HexToNumber(text[14]) * 16 + NetworkHash128.HexToNumber(text[15]));
            result.i8  = (byte)(NetworkHash128.HexToNumber(text[16]) * 16 + NetworkHash128.HexToNumber(text[17]));
            result.i9  = (byte)(NetworkHash128.HexToNumber(text[18]) * 16 + NetworkHash128.HexToNumber(text[19]));
            result.i10 = (byte)(NetworkHash128.HexToNumber(text[20]) * 16 + NetworkHash128.HexToNumber(text[21]));
            result.i11 = (byte)(NetworkHash128.HexToNumber(text[22]) * 16 + NetworkHash128.HexToNumber(text[23]));
            result.i12 = (byte)(NetworkHash128.HexToNumber(text[24]) * 16 + NetworkHash128.HexToNumber(text[25]));
            result.i13 = (byte)(NetworkHash128.HexToNumber(text[26]) * 16 + NetworkHash128.HexToNumber(text[27]));
            result.i14 = (byte)(NetworkHash128.HexToNumber(text[28]) * 16 + NetworkHash128.HexToNumber(text[29]));
            result.i15 = (byte)(NetworkHash128.HexToNumber(text[30]) * 16 + NetworkHash128.HexToNumber(text[31]));
            return(result);
        }