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/**
* @file config.cpp
* Manages name-value pairs for configuration options.
*
* Copyright (C) 2019 Clyne Sullivan
*
* 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/>.
*/
#include "config.hpp"
#include <cereal/cereal.hpp>
#include <cereal/archives/json.hpp>
#include <fstream>
void Config::save(void) const
{
if (std::ofstream file (fileName); file.good()) {
cereal::JSONOutputArchive archive (file);
for (auto& nvp : values) {
if (std::holds_alternative<int>(nvp.second)) {
archive(cereal::make_nvp(nvp.first, std::get<int>(nvp.second)));
} else if (std::holds_alternative<double>(nvp.second)) {
archive(cereal::make_nvp(nvp.first, std::get<double>(nvp.second)));
} else {
archive(cereal::make_nvp(nvp.first, std::get<std::string>(nvp.second)));
}
}
}
}
void Config::load(void)
{
if (std::ifstream file (fileName); file.good()) {
cereal::JSONInputArchive archive (file);
for (auto& nvp : values) {
if (std::holds_alternative<int>(nvp.second)) {
archive(cereal::make_nvp(nvp.first, std::get<int>(nvp.second)));
} else if (std::holds_alternative<double>(nvp.second)) {
archive(cereal::make_nvp(nvp.first, std::get<double>(nvp.second)));
} else {
archive(cereal::make_nvp(nvp.first, std::get<std::string>(nvp.second)));
}
}
}
}
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