Use isupport informations to know the user modes when joining

Also remove the duplicate send_self_join methods, user only send_user_join

src/irc/irc_channel.cpp

@@ -12,9 +12,10 @@ void IrcChannel::set_self(const std::string& name)
   this->self = std::make_unique<IrcUser>(name);
 }
 
-IrcUser* IrcChannel::add_user(const std::string& name)
+IrcUser* IrcChannel::add_user(const std::string& name,
+                              const std::map<char, char> prefix_to_mode)
 {
-  this->users.emplace_back(std::make_unique<IrcUser>(name));
+  this->users.emplace_back(std::make_unique<IrcUser>(name, prefix_to_mode));
   return this->users.back().get();
 }
 

src/irc/irc_channel.hpp

@@ -5,6 +5,7 @@
 #include <memory>
 #include <string>
 #include <vector>
+#include <map>
 
 /**
  * Keep the state of a joined channel (the list of occupants with their
@@ -19,7 +20,8 @@ public:
   std::string topic;
   void set_self(const std::string& name);
   IrcUser* get_self() const;
-  IrcUser* add_user(const std::string& name);
+  IrcUser* add_user(const std::string& name,
+                    const std::map<char, char> prefix_to_mode);
   IrcUser* find_user(const std::string& name);
   void remove_user(const IrcUser* user);
 

src/irc/irc_client.cpp

@@ -235,11 +235,16 @@ void IrcClient::set_and_forward_user_list(const IrcMessage& message)
   std::vector<std::string> nicks = utils::split(message.arguments[3], ' ');
   for (const std::string& nick: nicks)
     {
-      const IrcUser* user = channel->add_user(nick);
+      const IrcUser* user = channel->add_user(nick, this->prefix_to_mode);
       if (user->nick != channel->get_self()->nick)
         {
           log_debug("Adding user [" << nick << "] to chan " << chan_name);
-          this->bridge->send_user_join(this->hostname, chan_name, user);
+          this->bridge->send_user_join(this->hostname, chan_name, user, false);
+        }
+      else
+        {
+          // we now know the modes of self, so copy the modes into self
+          channel->get_self()->modes = user->modes;
         }
     }
 }
@@ -256,8 +261,8 @@ void IrcClient::on_channel_join(const IrcMessage& message)
     }
   else
     {
-      const IrcUser* user = channel->add_user(nick);
-      this->bridge->send_user_join(this->hostname, chan_name, user);
+      const IrcUser* user = channel->add_user(nick, this->prefix_to_mode);
+      this->bridge->send_user_join(this->hostname, chan_name, user, false);
     }
 }
 
@@ -319,7 +324,7 @@ void IrcClient::on_channel_completely_joined(const IrcMessage& message)
 {
   const std::string chan_name = utils::tolower(message.arguments[1]);
   IrcChannel* channel = this->get_channel(chan_name);
-  this->bridge->send_self_join(this->hostname, chan_name, channel->get_self()->nick);
+  this->bridge->send_user_join(this->hostname, chan_name, channel->get_self(), true);
   this->bridge->send_topic(this->hostname, chan_name, channel->topic);
 }
 

src/irc/irc_user.cpp

@@ -2,26 +2,26 @@
 
 #include <iostream>
 
-IrcUser::IrcUser(const std::string& name)
+IrcUser::IrcUser(const std::string& name,
+                 const std::map<char, char>& prefix_to_mode)
 {
+  if (name.empty())
+    return ;
   const std::string::size_type sep = name.find("!");
+  const std::map<char, char>::const_iterator prefix = prefix_to_mode.find(name[0]);
+  const size_t name_begin = prefix == prefix_to_mode.end()? 0: 1;
   if (sep == std::string::npos)
-    {
-      if (name[0] == '~' || name[0] == '&'
-          || name[0] == '@' || name[0] == '%'
-          || name[0] == '+')
-        this->nick = name.substr(1);
-      else
-        this->nick = name;
-    }
+    this->nick = name.substr(name_begin);
   else
     {
-      if (name[0] == '~' || name[0] == '&'
-          || name[0] == '@' || name[0] == '%'
-          || name[0] == '+')
-        this->nick = name.substr(1, sep);
-      else
-        this->nick = name.substr(0, sep);
+      this->nick = name.substr(name_begin, sep);
       this->host = name.substr(sep+1);
     }
+  if (prefix != prefix_to_mode.end())
+    this->modes.insert(prefix->second);
+}
+
+IrcUser::IrcUser(const std::string& name):
+  IrcUser(name, {})
+{
 }

src/irc/irc_user.hpp

@@ -2,6 +2,8 @@
 # define IRC_USER_INCLUDED
 
 #include <string>
+#include <map>
+#include <set>
 
 /**
  * Keeps various information about one IRC channel user
@@ -9,10 +11,12 @@
 class IrcUser
 {
 public:
+  explicit IrcUser(const std::string& name,
+                   const std::map<char, char>& prefix_to_mode);
   explicit IrcUser(const std::string& name);
-
   std::string nick;
   std::string host;
+  std::set<char> modes;
 
 private:
   IrcUser(const IrcUser&) = delete;