242 lines
10 KiB
C#
242 lines
10 KiB
C#
using ChatSharp.Events;
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using System.Linq;
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namespace ChatSharp.Handlers
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{
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internal static class MessageHandlers
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{
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public static void RegisterDefaultHandlers(IrcClient client)
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{
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// General
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client.SetHandler("PING", HandlePing);
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client.SetHandler("NOTICE", HandleNotice);
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client.SetHandler("PRIVMSG", HandlePrivmsg);
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client.SetHandler("MODE", HandleMode);
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//client.SetHandler("324", HandleMode);
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client.SetHandler("NICK", HandleNick);
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client.SetHandler("QUIT", HandleQuit);
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client.SetHandler("431", HandleErronousNick);
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client.SetHandler("432", HandleErronousNick);
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client.SetHandler("433", HandleErronousNick);
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client.SetHandler("436", HandleErronousNick);
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// MOTD Handlers
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client.SetHandler("375", MOTDHandlers.HandleMOTDStart);
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client.SetHandler("372", MOTDHandlers.HandleMOTD);
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client.SetHandler("376", MOTDHandlers.HandleEndOfMOTD);
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client.SetHandler("422", MOTDHandlers.HandleMOTDNotFound);
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// Channel handlers
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client.SetHandler("JOIN", ChannelHandlers.HandleJoin);
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client.SetHandler("PART", ChannelHandlers.HandlePart);
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client.SetHandler("332", ChannelHandlers.HandleGetTopic);
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client.SetHandler("331", ChannelHandlers.HandleGetEmptyTopic);
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client.SetHandler("353", ChannelHandlers.HandleUserListPart);
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client.SetHandler("366", ChannelHandlers.HandleUserListEnd);
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client.SetHandler("KICK", ChannelHandlers.HandleKick);
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// User handlers
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client.SetHandler("311", UserHandlers.HandleWhoIsUser);
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client.SetHandler("312", UserHandlers.HandleWhoIsServer);
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client.SetHandler("313", UserHandlers.HandleWhoIsOperator);
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client.SetHandler("317", UserHandlers.HandleWhoIsIdle);
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client.SetHandler("318", UserHandlers.HandleWhoIsEnd);
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client.SetHandler("319", UserHandlers.HandleWhoIsChannels);
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client.SetHandler("330", UserHandlers.HandleWhoIsLoggedInAs);
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// Listing handlers
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client.SetHandler("367", ListingHandlers.HandleBanListPart);
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client.SetHandler("368", ListingHandlers.HandleBanListEnd);
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client.SetHandler("348", ListingHandlers.HandleExceptionListPart);
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client.SetHandler("349", ListingHandlers.HandleExceptionListEnd);
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client.SetHandler("346", ListingHandlers.HandleInviteListPart);
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client.SetHandler("347", ListingHandlers.HandleInviteListEnd);
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client.SetHandler("728", ListingHandlers.HandleQuietListPart);
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client.SetHandler("729", ListingHandlers.HandleQuietListEnd);
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// Server handlers
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client.SetHandler("004", ServerHandlers.HandleMyInfo);
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client.SetHandler("005", ServerHandlers.HandleISupport);
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}
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public static void HandleNick(IrcClient client, IrcMessage message)
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{
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if (client.User.Nick == new IrcUser(message.Prefix).Nick)
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{
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client.User.Nick = message.Parameters[0];
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}
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}
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public static void HandleQuit(IrcClient client, IrcMessage message)
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{
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var user = new IrcUser(message.Prefix);
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if (client.User.Nick != user.Nick)
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{
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var channels = client
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.Channels
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.Where(c => c.Users.Any(u => u.Nick.Equals(user.Nick)));
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var users = channels
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.SelectMany(c=> c.UsersByMode)
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.Where(m => m.Value.Contains(user.Nick))
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.Select(c => c.Value);
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foreach (var userCollection in users)
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{
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userCollection.Remove(user.Nick);
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}
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foreach (var channel in channels)
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{
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channel.Users.Remove(user.Nick);
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}
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}
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}
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public static void HandlePing(IrcClient client, IrcMessage message)
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{
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client.ServerNameFromPing = message.Parameters[0];
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client.SendRawMessage("PONG :{0}", message.Parameters[0]);
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}
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public static void HandleNotice(IrcClient client, IrcMessage message)
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{
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client.OnNoticeRecieved(new IrcNoticeEventArgs(message));
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}
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public static void HandlePrivmsg(IrcClient client, IrcMessage message)
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{
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var eventArgs = new PrivateMessageEventArgs(message, client.ServerInfo);
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client.OnPrivateMessageRecieved(eventArgs);
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if (eventArgs.PrivateMessage.IsChannelMessage)
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{
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try
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{
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// Populate this user's hostname and user from the message
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// TODO: Merge all users from all channels into one list and keep references to which channels they're in
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var channel = client.Channels[eventArgs.PrivateMessage.Source];
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var u = channel.Users[eventArgs.PrivateMessage.User.Nick];
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u.Hostname = eventArgs.PrivateMessage.User.Hostname;
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u.User = eventArgs.PrivateMessage.User.User;
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}
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catch { /* silently ignored */ }
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client.OnChannelMessageRecieved(eventArgs);
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}
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else
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client.OnUserMessageRecieved(eventArgs);
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}
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public static void HandleErronousNick(IrcClient client, IrcMessage message)
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{
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var eventArgs = new ErronousNickEventArgs(client.User.Nick);
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if (message.Command == "433") // Nick in use
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client.OnNickInUse(eventArgs);
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// else ... TODO
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if (!eventArgs.DoNotHandle && client.Settings.GenerateRandomNickIfRefused)
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client.Nick(eventArgs.NewNick);
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}
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public static void HandleMode(IrcClient client, IrcMessage message)
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{
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string target, mode = null;
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int i = 2;
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if (message.Command == "MODE")
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{
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target = message.Parameters[0];
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mode = message.Parameters[1];
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}
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else
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{
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target = message.Parameters[1];
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mode = message.Parameters[2];
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i++;
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}
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// Handle change
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bool add = true;
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if (target.StartsWith("#"))
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{
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var channel = client.Channels[target];
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try
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{
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foreach (char c in mode)
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{
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if (c == '+')
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{
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add = true;
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continue;
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}
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if (c == '-')
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{
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add = false;
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continue;
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}
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if (channel.Mode == null)
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channel.Mode = string.Empty;
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// TODO: Support the ones here that aren't done properly
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if (client.ServerInfo.SupportedChannelModes.ParameterizedSettings.Contains(c))
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{
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client.OnModeChanged(new ModeChangeEventArgs(channel.Name, new IrcUser(message.Prefix),
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(add ? "+" : "-") + c.ToString() + " " + message.Parameters[i++]));
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}
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else if (client.ServerInfo.SupportedChannelModes.ChannelLists.Contains(c))
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{
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client.OnModeChanged(new ModeChangeEventArgs(channel.Name, new IrcUser(message.Prefix),
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(add ? "+" : "-") + c.ToString() + " " + message.Parameters[i++]));
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}
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else if (client.ServerInfo.SupportedChannelModes.ChannelUserModes.Contains(c))
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{
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if (!channel.UsersByMode.ContainsKey(c)) channel.UsersByMode.Add(c, new UserCollection());
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var user = new IrcUser(message.Parameters[i]);
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if (add)
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{
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if (!channel.UsersByMode[c].Contains(user.Nick))
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channel.UsersByMode[c].Add(user);
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}
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else
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{
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if (channel.UsersByMode[c].Contains(user.Nick))
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channel.UsersByMode[c].Remove(user);
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}
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client.OnModeChanged(new ModeChangeEventArgs(channel.Name, new IrcUser(message.Prefix),
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(add ? "+" : "-") + c.ToString() + " " + message.Parameters[i++]));
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}
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if (client.ServerInfo.SupportedChannelModes.Settings.Contains(c))
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{
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if (add)
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{
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if (!channel.Mode.Contains(c))
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channel.Mode += c.ToString();
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}
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else
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channel.Mode = channel.Mode.Replace(c.ToString(), string.Empty);
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client.OnModeChanged(new ModeChangeEventArgs(channel.Name, new IrcUser(message.Prefix),
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(add ? "+" : "-") + c.ToString()));
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}
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}
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}
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catch { }
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if (message.Command == "324")
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{
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var operation = client.RequestManager.DequeueOperation("MODE " + channel.Name);
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operation.Callback(operation);
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}
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}
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else
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{
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// TODO: Handle user modes other than ourselves?
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foreach (char c in mode)
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{
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if (add)
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{
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if (!client.User.Mode.Contains(c))
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client.User.Mode += c;
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}
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else
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client.User.Mode = client.User.Mode.Replace(c.ToString(), string.Empty);
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}
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}
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}
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}
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}
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