json_data_file_helper.h

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/*
 * Copyright 2021 MusicScience37 (Kenta Kabashima)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#pragma once
 
#include <functional>
#include <string>
#include <unordered_map>
 
#include <nlohmann/adl_serializer.hpp>
#include <nlohmann/json.hpp>
 
#include "stat_bench/reporter/data_file_spec.h"
#include "stat_bench/util/utf8_string.h"
 
namespace nlohmann {

template <>
struct adl_serializer<stat_bench::util::Utf8String> {
    static void to_json(json& j, const stat_bench::util::Utf8String& val) {
        j = val.str();
    }

    static void from_json(const json& j, stat_bench::util::Utf8String& val) {
        val = stat_bench::util::Utf8String(j.get<std::string>());
    }
};

template <>
struct adl_serializer<std::unordered_map<stat_bench::util::Utf8String,
    stat_bench::util::Utf8String>> {
    static void to_json(json& j,
        const std::unordered_map<stat_bench::util::Utf8String,
            stat_bench::util::Utf8String>& val) {
        for (const auto& [key, value] : val) {
            j[key.str()] = value.str();
        }
    }

    static void from_json(const json& j,
        std::unordered_map<stat_bench::util::Utf8String,
            stat_bench::util::Utf8String>& val) {
        for (auto it = j.begin(); it != j.end(); ++it) {
            val[stat_bench::util::Utf8String(it.key())] =
                stat_bench::util::Utf8String(it.value().get<std::string>());
        }
    }
};
 
}  // namespace nlohmann
 
namespace stat_bench {
namespace reporter {
namespace data_file_spec {
 
#ifndef STAT_BENCH_DOCUMENTATION
 
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(StatData, mean, max, min, median, variance,
    standard_deviation, standard_error)
 
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(DurationData, stat, values)
 
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(CustomStatOutputData, name, stat, values)
 
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(CustomOutputData, name, value)
 
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(MeasurementData, group_name, case_name,
    params, measurer_name, iterations, samples, durations, custom_stat_outputs,
    custom_outputs)
 
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(
    RootData, started_at, finished_at, measurements)
 
#endif
 
}  // namespace data_file_spec
}  // namespace reporter
}  // namespace stat_bench