From a38b17692e0297cbd5d719f059bd0a1b6ef39fe4 Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Tue, 29 Dec 2015 11:19:39 +0100
Subject: Support multi-prefix

See http://ircv3.net/specs/extensions/multi-prefix-3.1.html
ref #3103
---
 src/irc/irc_client.cpp |  3 +++
 src/irc/irc_user.cpp   | 18 ++++++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/irc/irc_client.cpp b/src/irc/irc_client.cpp
index 4aa45ac..e71d38c 100644
--- a/src/irc/irc_client.cpp
+++ b/src/irc/irc_client.cpp
@@ -151,6 +151,9 @@ void IrcClient::on_connected()
         }
     }
 
+  this->send_message({"CAP", {"REQ", "multi-prefix"}});
+  this->send_message({"CAP", {"END"}});
+
 #ifdef USE_DATABASE
   auto options = Database::get_irc_server_options(this->bridge.get_bare_jid(),
                                                   this->get_hostname());
diff --git a/src/irc/irc_user.cpp b/src/irc/irc_user.cpp
index 8785270..9fa3612 100644
--- a/src/irc/irc_user.cpp
+++ b/src/irc/irc_user.cpp
@@ -7,8 +7,20 @@ IrcUser::IrcUser(const std::string& name,
 {
   if (name.empty())
     return ;
-  const std::map<char, char>::const_iterator prefix = prefix_to_mode.find(name[0]);
-  const std::string::size_type name_begin = prefix == prefix_to_mode.end()? 0: 1;
+
+  // One or more prefix (with multi-prefix support) may come before the
+  // actual nick
+  std::string::size_type name_begin = 0;
+  while (name_begin != name.size())
+    {
+      const auto prefix = prefix_to_mode.find(name[name_begin]);
+      // This is not a prefix
+      if (prefix == prefix_to_mode.end())
+        break;
+      this->modes.insert(prefix->second);
+      name_begin++;
+    }
+
   const std::string::size_type sep = name.find("!", name_begin);
   if (sep == std::string::npos)
     this->nick = name.substr(name_begin);
@@ -17,8 +29,6 @@ IrcUser::IrcUser(const std::string& name,
       this->nick = name.substr(name_begin, sep-name_begin);
       this->host = name.substr(sep+1);
     }
-  if (prefix != prefix_to_mode.end())
-    this->modes.insert(prefix->second);
 }
 
 IrcUser::IrcUser(const std::string& name):
-- 
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