Cosmos/source/Cosmos/Cosmos.Shell.Console/Prompter.cs

using System;
using System.Collections.Generic;
using System.Text;
using Cosmos.Kernel.Staging;

namespace Cosmos.Shell.Console {
	/// <summary>
	/// The demonstration prompter.
	/// </summary>
	public class Prompter: StageBase {
		public override string Name {
			get {
				return "Console";
			}
		}

		private List<Commands.CommandBase> _commands;

		private bool running = true;

		public void Stop() {
			System.Console.WriteLine("Stopping");
			running = false;
			System.Console.Write("   Set running to ");
			System.Diagnostics.Debugger.Break();
			System.Console.WriteLine(running.ToString());
		}

		public override void Initialize() {
			_commands = new List<Cosmos.Shell.Console.Commands.CommandBase>();
            _commands.Add(new Commands.BreakCommand());
			_commands.Add(new Commands.ClsCommand());
			_commands.Add(new Commands.DirCommand());
			_commands.Add(new Commands.EchoCommand());
			_commands.Add(new Commands.ExitCommand(Stop)); // TODO: Fix this.
            _commands.Add(new Commands.FailCommand());
			_commands.Add(new Commands.HelpCommand(_commands));
			_commands.Add(new Commands.TypeCommand());
			_commands.Add(new Commands.VersionCommand());

			while (running) {
				System.Console.Write("Running = ");
				System.Console.Write(running.ToString());
				System.Console.Write(" ");
				System.Console.Write("/> ");
				string line = System.Console.ReadLine();
                if (string.IsNullOrEmpty(line)) { continue; }
				int index = line.IndexOf(' ');
				string command;
				string param;
				if (index == -1) {
					command = line;
					param = "";
				} else {
					command = line.Substring(0, index);
					param = line.Substring(index + 1);
				}

				bool found = false;
				for (int i = 0; i < _commands.Count; i++) {
					if (_commands[i].Name == command) {
						found = true;
						_commands[i].Execute(param);
						break;
					}
				}

				if (!found) {
					System.Console.ForegroundColor = ConsoleColor.Red;
					System.Console.Write("The command ");
					System.Console.Write(command);
					System.Console.WriteLine(" is not supported. Please type help for more information.");
					System.Console.ForegroundColor = ConsoleColor.White;
					System.Console.WriteLine();
				}
			}
		}

		public override void Teardown() {

		}
	}
}