THUAI6/CAPI/cpp/spdlog/include/spdlog/sinks/null_sink.h

// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)

#pragma once

#include <spdlog/details/null_mutex.h>
#include <spdlog/sinks/base_sink.h>
#include <spdlog/details/synchronous_factory.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<details::null_mutex>;
        using null_sink_st = null_sink<details::null_mutex>;

    }  // namespace sinks

    template<typename Factory = spdlog::synchronous_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 = spdlog::synchronous_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