custom_output_name.h

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/*
 * Copyright 2024 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 <ostream>
#include <string>
#include <utility>
 
#include <fmt/base.h>
 
#include "stat_bench/util/utf8_string.h"
 
namespace stat_bench {

class CustomOutputName {
public:
    explicit CustomOutputName(util::Utf8String str) noexcept;

    explicit CustomOutputName(std::string str)
        : CustomOutputName(util::Utf8String(std::move(str))) {}

    [[nodiscard]] auto str() const noexcept -> const util::Utf8String&;
 
private:
    util::Utf8String str_;
};

[[nodiscard]] inline auto operator==(
    const CustomOutputName& lhs, const CustomOutputName& rhs) noexcept -> bool {
    return lhs.str() == rhs.str();
}

[[nodiscard]] inline auto operator!=(
    const CustomOutputName& lhs, const CustomOutputName& rhs) noexcept -> bool {
    return !(lhs == rhs);
}
 
}  // namespace stat_bench
 
namespace fmt {

template <>
struct formatter<stat_bench::CustomOutputName>
    : public formatter<stat_bench::util::Utf8String> {
    auto format(const stat_bench::CustomOutputName& val,
        fmt::format_context& context) const -> fmt::format_context::iterator {
        return formatter<stat_bench::util::Utf8String>::format(
            val.str(), context);
    }
};
 
}  // namespace fmt
 
namespace stat_bench {

inline auto operator<<(std::ostream& stream, const CustomOutputName& val)
    -> std::ostream& {
    return stream << val.str();
}
 
}  // namespace stat_bench