/* * LMDB Abstraction Layer. * Copyright (C) 2023 Yury Gubich * * 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 . */ #pragma once #include #include namespace LMDBAL { template<> class Serializer { public: Serializer():value() {}; Serializer(const QString& p_value):value(p_value.toUtf8()) {}; ~Serializer() {}; QString deserialize(const MDB_val& data) { #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)) if (data.mv_size > static_cast(std::numeric_limits::max())) throw std::runtime_error("Data size exceeds QByteArray capacity"); value = QByteArray(static_cast(data.mv_data), static_cast(data.mv_size)); #else if (data.mv_size > static_cast(std::numeric_limits::max())) throw std::runtime_error("Data size exceeds QByteArray capacity"); value = QByteArray(static_cast(data.mv_data), static_cast(data.mv_size)); #endif return QString::fromUtf8(value); }; void deserialize(const MDB_val& data, QString& result) { #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)) if (data.mv_size > static_cast(std::numeric_limits::max())) throw std::runtime_error("Data size exceeds QByteArray capacity"); value = QByteArray(static_cast(data.mv_data), static_cast(data.mv_size)); #else if (data.mv_size > static_cast(std::numeric_limits::max())) throw std::runtime_error("Data size exceeds QByteArray capacity"); value = QByteArray(static_cast(data.mv_data), static_cast(data.mv_size)); #endif result = QString::fromUtf8(value); } MDB_val setData(const QString& data) { value = data.toUtf8(); return getData(); }; MDB_val getData() { MDB_val result; result.mv_data = value.data(); result.mv_size = static_cast(value.size()); return result; }; void clear() {}; //not possible; private: QByteArray value; }; }