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forked from blue/lmdbal
lmdbal/serializer_uint32.hpp

51 lines
1.4 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_DATABASE_SERIALIZER_UINT32_HPP
#define CORE_DATABASE_SERIALIZER_UINT32_HPP
template<>
class DataBase::Serializer<uint32_t>
{
public:
Serializer():value(0) {};
Serializer(const uint32_t& p_value):value(p_value) {};
~Serializer() {};
uint32_t deserialize(const MDB_val& data) {
std::memcpy(&value, data.mv_data, 4);
return value;
};
MDB_val setData(const uint32_t& data) {
value = data;
return getData();
};
MDB_val getData() {
MDB_val result;
result.mv_data = &value;
result.mv_size = 4;
return result;
};
void clear() {}; //not possible;
private:
uint32_t value;
};
#endif //CORE_DATABASE_SERIALIZER_UINT32_HPP