refactor: introduce RuntimeContext

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>

launcher/RuntimeContext.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <QString>
+#include "settings/SettingsObject.h"
+
+struct RuntimeContext {
+    QString javaArchitecture;
+    QString javaRealArchitecture;
+    QString javaPath;
+
+    QString mappedJavaRealArchitecture() const {
+        if (javaRealArchitecture == "aarch64") {
+            return "arm64";
+        }
+        return javaRealArchitecture;
+    }
+
+    void updateFromInstanceSettings(SettingsObjectPtr instanceSettings) {
+        javaArchitecture = instanceSettings->get("JavaArchitecture").toString();
+        javaRealArchitecture = instanceSettings->get("JavaRealArchitecture").toString();
+        javaPath = instanceSettings->get("JavaPath").toString();
+    }
+
+    static QString currentSystem() {
+#if defined(Q_OS_LINUX)
+        return "linux";
+#elif defined(Q_OS_MACOS)
+        return "osx";
+#elif defined(Q_OS_WINDOWS)
+        return "windows";
+#elif defined(Q_OS_FREEBSD)
+        return "freebsd";
+#elif defined(Q_OS_OPENBSD)
+        return "openbsd";
+#else
+        return "unknown";
+#endif
+    }
+};