Imported Upstream version 2.99.6upstream/2.99.6

1 files changed, 66 insertions, 0 deletions

diff --git a/SQLiteStudio3/coreSQLiteStudio/common/global.h b/SQLiteStudio3/coreSQLiteStudio/common/global.h
new file mode 100644
index 0000000..bc228ca
--- /dev/null
+++ b/SQLiteStudio3/coreSQLiteStudio/common/global.h
@@ -0,0 +1,66 @@
+#ifndef GLOBAL_H
+#define GLOBAL_H
+
+/** @file */
+
+#define DEEP_COPY_FIELD(T, F) \
+    if (other.F) \
+    { \
+        F = new T(*other.F); \
+        F->setParent(this); \
+    }
+
+#define DEEP_COPY_COLLECTION(T, F) \
+    T* _new##T; \
+    foreach (T* _element, other.F) \
+    { \
+        _new##T = new T(*_element); \
+        _new##T->setParent(this); \
+        F << _new##T; \
+    }
+
+/**
+ * @brief Deletes object and sets the pointer to null.
+ *
+ * Deletes object under given pointer, but only if the pointer is not null.
+ * Also sets the pointer to the null after deleting is done.
+ */
+#define safe_delete(var) \
+    if (var) \
+    { \
+        delete var; \
+        var = nullptr; \
+    }
+
+#define static_char static constexpr const char
+
+#define static_qstring(N,V) const static QString N = QStringLiteral(V)
+
+#define DECLARE_SINGLETON(Cls) \
+    public: \
+        static Cls* getInstance(); \
+        static void destroy(); \
+    \
+    private: \
+        static Cls* _instance;
+
+#define DEFINE_SINGLETON(Cls) \
+    Cls* Cls::_instance = nullptr; \
+    \
+    Cls* Cls::getInstance() \
+    { \
+        if (!_instance) \
+            _instance = new Cls(); \
+    \
+        return _instance; \
+    } \
+    \
+    void Cls::destroy() \
+    { \
+        safe_delete(_instance); \
+    }
+
+#define STRINGIFY(s) _STRINGIFY(s)
+#define _STRINGIFY(s) #s
+
+#endif // GLOBAL_H