Temp ideas

database.h

@@ -0,0 +1,68 @@
+// Squawk messenger. 
+// Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef CORE_DATABASE_H
+#define CORE_DATABASE_H
+
+#include <map>
+#include <string>
+
+#include <QString>
+#include <QStandardPaths>
+#include <QDir>
+#include <lmdb.h>
+
+namespace Core {
+
+class DataBase
+{
+    class _Table;
+public:
+    template <class K, class V>
+    class Table;
+
+    DataBase(const QString& name, uint16_t mapSize = 10);
+    ~DataBase();
+
+    void open();
+    void close();
+    QString getName() const;
+
+    template <class K, class V>
+    Table<K, V>* addTable(const QString& name);
+
+public:
+    //exceptions
+    class Directory;
+    class Closed;
+    class Opened;
+    class NotFound;
+    class Empty;
+    class Exist;
+    class NoAvatar;
+    class Unknown;
+
+private:
+    std::string name;
+    bool opened;
+    uint16_t size;
+    MDB_env* environment;
+    std::map<std::string, _Table*> tables;
+};
+
+}
+
+#endif // CORE_DATABASE_H