Provide singleton class for version information

chatterino.pro

@@ -88,6 +88,7 @@ SOURCES += \
     src/common/NetworkRequest.cpp \
     src/common/NetworkResult.cpp \
     src/common/UsernameSet.cpp \
+    src/common/Version.cpp \
     src/controllers/accounts/Account.cpp \
     src/controllers/accounts/AccountController.cpp \
     src/controllers/accounts/AccountModel.cpp \

src/common/Version.cpp

@@ -0,0 +1,67 @@
+#include "common/Version.hpp"
+
+#include "common/Modes.hpp"
+
+#define UGLYMACROHACK1(s) #s
+#define FROM_EXTERNAL_DEFINE(s) UGLYMACROHACK1(s)
+
+namespace chatterino {
+
+Version::Version()
+{
+    // Version
+    this->version_ = CHATTERINO_VERSION;
+
+    // Commit hash
+    this->commitHash_ =
+        QString(FROM_EXTERNAL_DEFINE(CHATTERINO_GIT_HASH)).remove('"');
+
+    // Date of build
+#ifdef CHATTERINO_NIGHTLY_VERSION_STRING
+    this->dateOfBuild_ =
+        QString(FROM_EXTERNAL_DEFINE(CHATTERINO_NIGHTLY_VERSION_STRING))
+            .remove('"');
+#endif
+
+    // "Full" version string, as displayed in window title
+    this->fullVersion_ = "Chatterino ";
+    if (Modes::getInstance().isNightly)
+    {
+        this->fullVersion_ += "Nightly ";
+    }
+
+    this->fullVersion_ += this->version_;
+
+    if (Modes::getInstance().isNightly)
+    {
+        this->fullVersion_ += this->dateOfBuild_;
+    }
+}
+
+const Version &Version::getInstance()
+{
+    static Version instance;
+    return instance;
+}
+
+const QString &Version::getVersion() const
+{
+    return this->version_;
+}
+
+const QString &Version::getFullVersion() const
+{
+    return this->fullVersion_;
+}
+
+const QString &Version::getCommitHash() const
+{
+    return this->commitHash_;
+}
+
+const QString &Version::getDateOfBuild() const
+{
+    return this->dateOfBuild_;
+}
+
+}  // namespace chatterino

src/common/Version.hpp

@@ -13,3 +13,26 @@
 #else
 #    define CHATTERINO_OS "unknown"
 #endif
+
+namespace chatterino {
+
+class Version
+{
+public:
+    static const Version &getInstance();
+
+    const QString &getVersion() const;
+    const QString &getCommitHash() const;
+    const QString &getDateOfBuild() const;
+    const QString &getFullVersion() const;
+
+private:
+    Version();
+
+    QString version_;
+    QString commitHash_;
+    QString dateOfBuild_;
+    QString fullVersion_;
+};
+
+};