src/main/cpp/sdk/common/spdlog/sinks/null_sink.h

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//

#pragma once

#ifndef SPDLOG_H
#include "spdlog/spdlog.h"
#endif

#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/base_sink.h"

#include <mutex>

namespace spdlog {
namespace sinks {

template<typename Mutex>
class null_sink : public base_sink<Mutex>
{
protected:
    void sink_it_(const details::log_msg &) override {}
    void flush_() override {}
};

using null_sink_mt = null_sink<std::mutex>;
using null_sink_st = null_sink<details::null_mutex>;

} // namespace sinks

template<typename Factory = default_factory>
inline std::shared_ptr<logger> null_logger_mt(const std::string &logger_name)
{
    auto null_logger = Factory::template create<sinks::null_sink_mt>(logger_name);
    null_logger->set_level(level::off);
    return null_logger;
}

template<typename Factory = default_factory>
inline std::shared_ptr<logger> null_logger_st(const std::string &logger_name)
{
    auto null_logger = Factory::template create<sinks::null_sink_st>(logger_name);
    null_logger->set_level(level::off);
    return null_logger;
}

} // namespace spdlog