Implement emoji sending using shortcodes 😎 🅱️

src/channel.cpp

@@ -118,7 +118,11 @@ void Channel::reloadChannelEmotes()
 void Channel::sendMessage(const QString &message)
 {
     qDebug() << "Channel send message: " << message;
-    this->ircManager.sendMessage(name, message);
+
+    // Do last message processing
+    QString parsedMessage = this->emoteManager.replaceShortCodes(message);
+
+    this->ircManager.sendMessage(name, parsedMessage);
 }
 
 }  // namespace chatterino

src/emotemanager.cpp

@@ -24,6 +24,7 @@ namespace chatterino {
 EmoteManager::EmoteManager(WindowManager &_windowManager, Resources &_resources)
     : windowManager(_windowManager)
     , resources(_resources)
+    , findShortCodesRegex(":([-+\\w]+):")
 {
     // Note: Do not use this->resources in ctor
     pajlada::Settings::Setting<std::string> roomID(
@@ -294,6 +295,36 @@ void EmoteManager::parseEmojis(std::vector<std::tuple<EmoteData, QString>> &pars
     }
 }
 
+QString EmoteManager::replaceShortCodes(const QString &text)
+{
+    QString ret(text);
+    auto it = this->findShortCodesRegex.globalMatch(text);
+
+    int32_t offset = 0;
+
+    while (it.hasNext()) {
+        auto match = it.next();
+
+        auto capturedString = match.captured();
+
+        QString matchString = capturedString.toLower().mid(1, capturedString.size() - 2);
+
+        auto emojiIt = this->emojiShortCodeToEmoji.constFind(matchString);
+
+        if (emojiIt == this->emojiShortCodeToEmoji.constEnd()) {
+            continue;
+        }
+
+        auto emojiData = emojiIt.value();
+
+        ret.replace(offset + match.capturedStart(), match.capturedLength(), emojiData.value);
+
+        offset += emojiData.value.size() - match.capturedLength();
+    }
+
+    return ret;
+}
+
 void EmoteManager::refreshTwitchEmotes(const std::string &roomID)
 {
     std::string oauthClient =

src/emotemanager.hpp

@@ -10,6 +10,7 @@
 
 #include <QMap>
 #include <QMutex>
+#include <QRegularExpression>
 #include <QString>
 #include <QTimer>
 #include <boost/signals2.hpp>
@@ -75,6 +76,8 @@ private:
     Resources &resources;
 
     /// Emojis
+    QRegularExpression findShortCodesRegex;
+
     // shortCodeToEmoji maps strings like "sunglasses" to its emoji
     QMap<QString, EmojiData> emojiShortCodeToEmoji;
 
@@ -89,6 +92,8 @@ private:
 public:
     void parseEmojis(std::vector<std::tuple<EmoteData, QString>> &parsedWords, const QString &text);
 
+    QString replaceShortCodes(const QString &text);
+
     /// Twitch emotes
     void refreshTwitchEmotes(const std::string &roomID);