Basic handling of modes, both ways

src/irc/irc_channel.hpp

@@ -26,7 +26,6 @@ public:
 private:
   std::unique_ptr<IrcUser> self;
   std::vector<std::unique_ptr<IrcUser>> users;
-
   IrcChannel(const IrcChannel&) = delete;
   IrcChannel(IrcChannel&&) = delete;
   IrcChannel& operator=(const IrcChannel&) = delete;

src/irc/irc_client.cpp

@@ -162,9 +162,15 @@ void IrcClient::send_part_command(const std::string& chan_name, const std::strin
 {
   IrcChannel* channel = this->get_channel(chan_name);
   if (channel->joined == true)
-    {
-      this->send_message(IrcMessage("PART", {chan_name, status_message}));
-    }
+    this->send_message(IrcMessage("PART", {chan_name, status_message}));
+}
+
+void IrcClient::send_mode_command(const std::string& chan_name, const std::vector<std::string>& arguments)
+{
+  std::vector<std::string> args(arguments);
+  args.insert(args.begin(), chan_name);
+  IrcMessage m("MODE", std::move(args));
+  this->send_message(std::move(m));
 }
 
 void IrcClient::send_pong_command(const IrcMessage& message)
@@ -325,3 +331,34 @@ void IrcClient::on_nick(const IrcMessage& message)
     }
 }
 
+void IrcClient::on_mode(const IrcMessage& message)
+{
+  const std::string target = message.arguments[0];
+  if (target[0] == '&' || target[0] == '#' ||
+      target[0] == '!' || target[0] == '+')
+    this->on_channel_mode(message);
+  else
+    this->on_user_mode(message);
+}
+
+void IrcClient::on_channel_mode(const IrcMessage& message)
+{
+  // For now, just transmit the modes so the user can know what happens
+  // TODO, actually interprete the mode.
+  Iid iid;
+  iid.chan = message.arguments[0];
+  iid.server = this->hostname;
+  IrcUser user(message.prefix);
+  this->bridge->send_message(iid, "", std::string("Mode ") + iid.chan +
+                                      " [" + message.arguments[1] +
+                                      (message.arguments.size() > 2 ? (" " + message.arguments[2]): "")
+                                      + "] by " + user.nick,
+                             true);
+}
+
+void IrcClient::on_user_mode(const IrcMessage& message)
+{
+  this->bridge->send_xmpp_message(this->hostname, "",
+                                  std::string("User mode for ") + message.arguments[0] +
+                                  " is [" + message.arguments[1] + "]");
+}

src/irc/irc_client.hpp

@@ -87,6 +87,10 @@ public:
    * Send the PART irc command
    */
   void send_part_command(const std::string& chan_name, const std::string& status_message);
+  /**
+   * Send the MODE irc command
+   */
+  void send_mode_command(const std::string& chan_name, const std::vector<std::string>& arguments);
   /**
    * Forward the server message received from IRC to the XMPP component
    */
@@ -118,17 +122,20 @@ public:
    * When a message 001 is received, join the rooms we wanted to join, and set our actual nickname
    */
   void on_welcome_message(const IrcMessage& message);
-  /**
-   * When a PART message is received
-   */
   void on_part(const IrcMessage& message);
-  /**
-   * When a NICK message is received
-   */
   void on_nick(const IrcMessage& message);
+  void on_mode(const IrcMessage& message);
   /**
-   * When a QUIT message is received
+   * A mode towards our own user is received (note, that is different from a
+   * channel mode towards or own nick, see
+   * http://tools.ietf.org/html/rfc2812#section-3.1.5 VS #section-3.2.3)
    */
+  void on_user_mode(const IrcMessage& message);
+  /**
+   * A mode towards a channel. Note that this can change the mode of the
+   * channel itself or an IrcUser in it.
+   */
+  void on_channel_mode(const IrcMessage& message);
   void on_quit(const IrcMessage& message);
 
 private: