toml_single_file_log_sink_factory.h

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/*
 * Copyright 2022 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 <string>
 
#include <toml++/toml.h>
 
#include "num_collect/logging/config/log_sink_factory_base.h"
#include "num_collect/logging/config/log_sink_factory_table.h"
#include "num_collect/logging/config/toml/toml_helper.h"
#include "num_collect/logging/sinks/file_log_sink.h"
#include "num_collect/logging/sinks/log_sink.h"
 
namespace num_collect::logging::config::toml {
 
class toml_single_file_log_sink_factory final : public log_sink_factory_base {
public:
    explicit toml_single_file_log_sink_factory(const ::toml::table& table) {
        filepath_ = require_value<std::string>(table, "filepath",
            "filepath in num_collect.logging.sinks element with type "
            "\"single_file\"",
            "a string");
    }
 
    [[nodiscard]] auto create(log_sink_factory_table& sinks)
        -> sinks::log_sink override {
        (void)sinks;
        return sinks::create_single_file_sink(filepath_);
    }
 
    ~toml_single_file_log_sink_factory() noexcept override = default;
 
    toml_single_file_log_sink_factory(
        const toml_single_file_log_sink_factory&) = delete;
    toml_single_file_log_sink_factory(
        toml_single_file_log_sink_factory&&) = delete;
    auto operator=(const toml_single_file_log_sink_factory&)
        -> toml_single_file_log_sink_factory& = delete;
    auto operator=(toml_single_file_log_sink_factory&&)
        -> toml_single_file_log_sink_factory& = delete;
 
private:
    std::string filepath_{};
};
 
}  // namespace num_collect::logging::config::toml