squawk/core/storage/storage.h

71 lines
1.6 KiB
C++

/*
* 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_STORAGE_H
#define CORE_STORAGE_H
#include <QString>
#include <lmdb.h>
#include "archive.h"
namespace Core {
/**
* @todo write docs
*/
template <class K, class V>
class Storage
{
public:
Storage(const QString& name);
~Storage();
void open();
void close();
void addRecord(const K& key, const V& value);
void changeRecord(const K& key, const V& value);
void removeRecord(const K& key);
V getRecord(const K& key) const;
QString getName() const;
private:
QString name;
bool opened;
MDB_env* environment;
MDB_dbi base;
};
}
MDB_val& operator << (MDB_val& data, QString& value);
MDB_val& operator >> (MDB_val& data, QString& value);
MDB_val& operator << (MDB_val& data, uint32_t& value);
MDB_val& operator >> (MDB_val& data, uint32_t& value);
namespace std {
std::string to_string(const QString& str);
}
#include "storage.hpp"
#endif // CORE_STORAGE_H