ostream_sink.h

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
 
#pragma once
 
#include "../details/null_mutex.h"
#include "base_sink.h"
 
#include <ostream>
#include <mutex>
 
namespace spdlog
{
namespace sinks
{
template<class Mutex>
class ostream_sink: public base_sink<Mutex>
{
public:
    explicit ostream_sink(std::ostream& os, bool force_flush=false) :_ostream(os), _force_flush(force_flush) {}
    ostream_sink(const ostream_sink&) = delete;
    ostream_sink& operator=(const ostream_sink&) = delete;
    virtual ~ostream_sink() = default;
 
protected:
    void _sink_it(const details::log_msg& msg) override
    {
        _ostream.write(msg.formatted.data(), msg.formatted.size());
        if (_force_flush)
            _ostream.flush();
    }
 
    void _flush() override
    {
        _ostream.flush();
    }
 
    std::ostream& _ostream;
    bool _force_flush;
};
 
typedef ostream_sink<std::mutex> ostream_sink_mt;
typedef ostream_sink<details::null_mutex> ostream_sink_st;
}
}