Fan.Sys.Uri.Decoder.nextOctet C# (CSharp) Méthode

            private int nextOctet(int section)
            {
                int c = str[dpos++];

                // if percent encoded applied to all sections except
                // scheme which should never never use this method
                if (c == '%')
                {
                  nextCharWasEscaped = true;
                  return (hexNibble(str[dpos++]) << 4) | hexNibble(str[dpos++]);
                }
                else
                {
                  nextCharWasEscaped = false;
                }

                // + maps to space only in query
                if (c == '+' && section == QUERY)
                  return ' ';

                // verify character ok
                if (c >= charMap.Length || (charMap[c] & section) == 0)
                  throw err("Invalid char in " + toSection(section) + " at index " + (dpos-1));

                // return character as is
                return c;
            }