Corrected the way we parse comma-separated "list tags" in PRIVMSGs (#3771)

tl;dr: we now split by slash only its first occurrence instead of every occurrence.

src/providers/twitch/TwitchBadge.cpp

@@ -33,4 +33,9 @@ Badge::Badge(QString key, QString value)
     }
 }
 
+bool Badge::operator==(const Badge &other) const
+{
+    return this->key_ == other.key_ && this->value_ == other.value_;
+}
+
 }  // namespace chatterino

src/providers/twitch/TwitchBadge.hpp

@@ -11,9 +11,13 @@ class Badge
 public:
     Badge(QString key, QString value);
 
-    QString key_;           // e.g. bits
-    QString value_;         // e.g. 100
-    QString extraValue_{};  // e.g. 5 (the number of months subscribed)
+    bool operator==(const Badge &other) const;
+
+    // Class members are fetched from both "badges" and "badge-info" tags
+    // E.g.: "badges": "subscriber/18", "badge-info": "subscriber/22"
+    QString key_;    // subscriber
+    QString value_;  // 18
+    //QString info_; // 22 (should be parsed separetly into an std::unordered_map)
     MessageElementFlag flag_{
         MessageElementFlag::BadgeVanity};  // badge slot it takes up
 };

src/providers/twitch/TwitchMessageBuilder.cpp

@@ -7,6 +7,7 @@
 #include "messages/Message.hpp"
 #include "providers/chatterino/ChatterinoBadges.hpp"
 #include "providers/ffz/FfzBadges.hpp"
+#include "providers/twitch/TwitchBadge.hpp"
 #include "providers/twitch/TwitchBadges.hpp"
 #include "providers/twitch/TwitchChannel.hpp"
 #include "providers/twitch/TwitchIrcServer.hpp"
@@ -47,55 +48,6 @@ const QSet<QString> zeroWidthEmotes{
 
 namespace chatterino {
 
-namespace {
-
-    QStringList parseTagList(const QVariantMap &tags, const QString &key)
-    {
-        auto iterator = tags.find(key);
-        if (iterator == tags.end())
-            return QStringList{};
-
-        return iterator.value().toString().split(',', Qt::SkipEmptyParts);
-    }
-
-    std::map<QString, QString> parseBadgeInfos(const QVariantMap &tags)
-    {
-        std::map<QString, QString> badgeInfos;
-
-        for (QString badgeInfo : parseTagList(tags, "badge-info"))
-        {
-            QStringList parts = badgeInfo.split('/');
-            if (parts.size() != 2)
-            {
-                continue;
-            }
-
-            badgeInfos.emplace(parts[0], parts[1]);
-        }
-
-        return badgeInfos;
-    }
-
-    std::vector<Badge> parseBadges(const QVariantMap &tags)
-    {
-        std::vector<Badge> badges;
-
-        for (QString badge : parseTagList(tags, "badges"))
-        {
-            QStringList parts = badge.split('/');
-            if (parts.size() != 2)
-            {
-                continue;
-            }
-
-            badges.emplace_back(parts[0], parts[1]);
-        }
-
-        return badges;
-    }
-
-}  // namespace
-
 TwitchMessageBuilder::TwitchMessageBuilder(
     Channel *_channel, const Communi::IrcPrivateMessage *_ircMessage,
     const MessageParseArgs &_args)
@@ -1033,6 +985,25 @@ boost::optional<EmotePtr> TwitchMessageBuilder::getTwitchBadge(
     return boost::none;
 }
 
+std::unordered_map<QString, QString> TwitchMessageBuilder::parseBadgeInfoTag(
+    const QVariantMap &tags)
+{
+    std::unordered_map<QString, QString> infoMap;
+
+    auto infoIt = tags.constFind("badge-info");
+    if (infoIt == tags.end())
+        return infoMap;
+
+    auto info = infoIt.value().toString().split(',', Qt::SkipEmptyParts);
+
+    for (const QString &badge : info)
+    {
+        infoMap.emplace(SharedMessageBuilder::slashKeyValue(badge));
+    }
+
+    return infoMap;
+}
+
 void TwitchMessageBuilder::appendTwitchBadges()
 {
     if (this->twitchChannel == nullptr)
@@ -1040,8 +1011,8 @@ void TwitchMessageBuilder::appendTwitchBadges()
         return;
     }
 
-    auto badgeInfos = parseBadgeInfos(this->tags);
-    auto badges = parseBadges(this->tags);
+    auto badgeInfos = TwitchMessageBuilder::parseBadgeInfoTag(this->tags);
+    auto badges = this->parseBadgeTag(this->tags);
 
     for (const auto &badge : badges)
     {
@@ -1091,7 +1062,7 @@ void TwitchMessageBuilder::appendTwitchBadges()
                 // (tier + amount of months with leading zero if less than 100)
                 // e.g. 3054 - tier 3 4,5-year sub. 2108 - tier 2 9-year sub
                 const auto &subTier =
-                    badge.value_.length() > 3 ? badge.value_.front() : '1';
+                    badge.value_.length() > 3 ? badge.value_.at(0) : '1';
                 const auto &subMonths = badgeInfoIt->second;
                 tooltip +=
                     QString(" (%1%2 months)")
@@ -1107,9 +1078,9 @@ void TwitchMessageBuilder::appendTwitchBadges()
             {
                 auto predictionText =
                     badgeInfoIt->second
-                        .replace("\\s", " ")  // standard IRC escapes
-                        .replace("\\:", ";")
-                        .replace("\\\\", "\\")
+                        .replace(R"(\s)", " ")  // standard IRC escapes
+                        .replace(R"(\:)", ";")
+                        .replace(R"(\\)", R"(\)")
                         .replace("⸝", ",");  // twitch's comma escape
                 // Careful, the first character is RIGHT LOW PARAPHRASE BRACKET or U+2E1D, which just looks like a comma
 

src/providers/twitch/TwitchMessageBuilder.hpp

@@ -68,6 +68,10 @@ public:
                                          Channel *channel,
                                          MessageBuilder *builder);
 
+    // Shares some common logic from SharedMessageBuilder::parseBadgeTag
+    static std::unordered_map<QString, QString> parseBadgeInfoTag(
+        const QVariantMap &tags);
+
 private:
     void parseUsernameColor() override;
     void parseUsername() override;