ArgsTests.TestConsoleProvider.ReadKey C# (CSharp) Метод

        public ConsoleKeyInfo ReadKey()
        {
            if (i == input.Length) return new ConsoleKeyInfo((char)0, ConsoleKey.Enter, false, false, false);
            var c = input[i++];
            ConsoleKey key = ConsoleKey.NoName;

            if (c == '\b') key = ConsoleKey.Backspace;
            else if (c == ' ') key = ConsoleKey.Spacebar;
            else if (c == '\t') key = ConsoleKey.Tab;
            else if (c == '{' && ReadAheadLookFor("delete}")) key = ConsoleKey.Delete;
            else if (c == '{' && ReadAheadLookFor("home}")) key = ConsoleKey.Home;
            else if (c == '{' && ReadAheadLookFor("end}")) key = ConsoleKey.End;
            else if (c == '{' && ReadAheadLookFor("escape}")) key = ConsoleKey.Escape;
            else if (c == '{' && ReadAheadLookFor("left}")) key = ConsoleKey.LeftArrow;
            else if (c == '{' && ReadAheadLookFor("right}")) key = ConsoleKey.RightArrow;
            else if (c == '{' && ReadAheadLookFor("up}")) key = ConsoleKey.UpArrow;
            else if (c == '{' && ReadAheadLookFor("down}")) key = ConsoleKey.DownArrow;
            else if (c == '{' && ReadAheadLookFor("enter}")) key = ConsoleKey.Enter;
            else if (c == '{' && ReadAheadLookFor("wait}"))
            {
                Thread.Sleep(1000);
                return ReadKey();
            }
            else if (c == '{' && ReadAheadLookFor("w}"))
            {
                Thread.Sleep(100);
                return ReadKey();
            }
            else if (c == '{' && ReadAheadLookFor("shift}"))
            {
                shift = true;
                var ret = ReadKey();
                shift = false;
                return ret;
            }
            else if (c == '{' && ReadAheadLookFor("control}"))
            {
                control = true;
                var ret = ReadKey();
                control = false;
                return ret;
            }

            return new ConsoleKeyInfo(c, key, shift, false, control);
        }