Made cleanUpCode() as static TwitchEmotes's method.

src/providers/twitch/TwitchEmotes.cpp

@@ -13,6 +13,33 @@ TwitchEmotes::TwitchEmotes()
 {
 }
 
+QString TwitchEmotes::cleanUpEmoteCode(const EmoteName &dirtyEmoteCode)
+{
+    auto cleanCode = dirtyEmoteCode.string;
+    cleanCode.detach();
+
+    static QMap<QString, QString> emoteNameReplacements{
+        {"[oO](_|\\.)[oO]", "O_o"}, {"\\&gt\\;\\(", "&gt;("},
+        {"\\&lt\\;3", "&lt;3"},     {"\\:-?(o|O)", ":O"},
+        {"\\:-?(p|P)", ":P"},       {"\\:-?[\\\\/]", ":/"},
+        {"\\:-?[z|Z|\\|]", ":Z"},   {"\\:-?\\(", ":("},
+        {"\\:-?\\)", ":)"},         {"\\:-?D", ":D"},
+        {"\\;-?(p|P)", ";P"},       {"\\;-?\\)", ";)"},
+        {"R-?\\)", "R)"},           {"B-?\\)", "B)"},
+    };
+
+    auto it = emoteNameReplacements.find(dirtyEmoteCode.string);
+    if (it != emoteNameReplacements.end())
+    {
+        cleanCode = it.value();
+    }
+
+    cleanCode.replace("&lt;", "<");
+    cleanCode.replace("&gt;", ">");
+
+    return cleanCode;
+}
+
 // id is used for lookup
 // emoteName is used for giving a name to the emote in case it doesn't exist
 EmotePtr TwitchEmotes::getOrCreateEmote(const EmoteId &id,