Loyc.Syntax.Les.Les3PrettyPrinter.PrintToConsoleCore C# (CSharp) Method

		public static void PrintToConsoleCore(StringBuilder input, bool endWithNewline = true)
		{
			var originalColor = Console.ForegroundColor;
			int depth = 0;
			char c, next = input.TryGet(0, '\0');
			for (int i = 0; i < input.Length; i++) {
				c = next;
				next = input.TryGet(i + 1, '\0');
				if (c < ' ') {
					switch(c) {
					case '\n': Console.WriteLine(); break;
					case (char)LesColorCode.None:      Console.ForegroundColor = ConsoleColor.Gray; break;
					case (char)LesColorCode.Comment:   Console.ForegroundColor = ConsoleColor.Green; break;
					case (char)LesColorCode.Id:        Console.ForegroundColor = ConsoleColor.Gray; break;
					case (char)LesColorCode.SpecialId: Console.ForegroundColor = ConsoleColor.Green; break;
					case (char)LesColorCode.Number:    Console.ForegroundColor = ConsoleColor.Magenta; break;
					case (char)LesColorCode.String:    Console.ForegroundColor = ConsoleColor.Yellow; break;
					case (char)LesColorCode.CustomLiteral: Console.ForegroundColor = ConsoleColor.Magenta; break;
					case (char)LesColorCode.KeywordLiteral: Console.ForegroundColor = ConsoleColor.Red; break;
					case (char)LesColorCode.Operator:  Console.ForegroundColor = ConsoleColor.White; break;
					case (char)LesColorCode.Separator: Console.ForegroundColor = ConsoleColor.Gray; break;
					case (char)LesColorCode.Attribute: Console.ForegroundColor = ConsoleColor.Blue; break;
					case (char)LesColorCode.Keyword:   Console.ForegroundColor = ConsoleColor.Cyan; break;
					case (char)LesColorCode.Unknown:   Console.ForegroundColor = ConsoleColor.DarkRed; break;
					case (char)LesColorCode.Opener:
						Console.ForegroundColor = ConsoleColor.Gray;
						if ((next == '(' || next == '[') && (++depth & 1) == 0)
							Console.ForegroundColor = ConsoleColor.White;
						break;
					case (char)LesColorCode.Closer:
						Console.ForegroundColor = ConsoleColor.Gray;
						if ((next == ')' || next == ']') && (--depth & 1) != 0)
							Console.ForegroundColor = ConsoleColor.White;
						break;
					default:
						Console.Write(c);
						break;
					}
				} else {
					Console.Write(c);
				}
			}
			Console.ForegroundColor = originalColor;
			if (endWithNewline)
				Console.WriteLine();
		}