Documents and splits up Chat.cs into ChatProvider.cs

TGServiceInterface/RootCommand.cs

@@ -0,0 +1,105 @@
+using System;
+using System.Collections.Generic;
+
+namespace TGServiceInterface
+{
+	/// <summary>
+	/// Helper for creating commands that contain sub commands
+	/// </summary>
+	public class RootCommand : Command
+	{
+		/// <summary>
+		/// <see cref="Command"/>s further down the tree from this one. Set in Constructor
+		/// </summary>
+		public Command[] Children { get; protected set; } = { };
+		/// <summary>
+		/// If set to <see langword="true"/> a multiline, detailed list of <see cref="Command"/>s will be printed. Otherwise a singleline list of <see cref="Command"/>s will be printed
+		/// </summary>
+		public static bool PrintHelpList = false;
+
+		/// <summary>
+		/// Forward parameters to commands further down the tree
+		/// </summary>
+		/// <param name="parameters">List of parameters passed to the <see cref="RootCommand"/></param>
+		/// <returns>The result of a sub <see cref="Command"/> or an appropriate <see cref="ExitCode"/> if the <see cref="RootCommand"/> handled it</returns>
+		protected override ExitCode Run(IList<string> parameters)
+		{
+			if (parameters.Count > 0)
+			{
+				var LocalKeyword = parameters[0].Trim().ToLower();
+				parameters.RemoveAt(0);
+				switch (LocalKeyword)
+				{
+					case "help":
+					case "?":
+						PrintHelp();
+						return ExitCode.Normal;
+					default:
+						foreach (var c in Children)
+							if (c.Keyword == LocalKeyword)
+							{
+								if (parameters.Count > 0)
+								{
+									var possibleHelp = parameters[0].ToLower();
+									if (possibleHelp == "help" || possibleHelp == "?")
+									{
+										c.PrintHelp();
+										return ExitCode.Normal;
+									}
+								}
+								if (parameters.Count < c.RequiredParameters)
+								{
+									OutputProc("Not enough parameters!");
+									return ExitCode.BadCommand;
+								}
+								return c.DoRun(parameters);
+							}
+						parameters.Insert(0, LocalKeyword);
+						break;
+				}
+			}
+			OutputProc(String.Format("Invalid command! Type '{0}?' or '{0}help' for available commands.", Keyword != null ? Keyword + " " : ""));
+			return ExitCode.BadCommand;
+		}
+
+		/// <inheritdoc />
+		public override void PrintHelp()
+		{
+			var Final = new List<string>();
+			if (PrintHelpList)
+			{
+				foreach (var c in Children)
+					Final.Add(c.Keyword);
+				OutputProc("Available commands (type '?' or 'help' after command for more info): " + String.Join(", ", Final));
+			}
+			else
+			{
+				var Prefixes = new List<string>();
+				var Postfixes = new List<string>();
+				int MaxPrefixLen = 0;
+				foreach (var c in Children)
+				{
+					var ns = c.Keyword + " " + c.GetArgumentString();
+					MaxPrefixLen = Math.Max(MaxPrefixLen, ns.Length);
+					Prefixes.Add(ns);
+					Postfixes.Add(c.GetHelpText());
+				}
+
+				for (var I = 0; I < Prefixes.Count; ++I)
+				{
+					var lp = Prefixes[I];
+					for (; lp.Length < MaxPrefixLen + 1; lp += " ") ;
+					Final.Add(lp + "- " + Postfixes[I]);
+				}
+				Final.Sort();
+				Final.ForEach(OutputProc);
+			}
+		}
+
+		/// <inheritdoc />
+		public override string GetHelpText()
+		{
+			throw new NotImplementedException();
+		}
+	}
+}