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/** ---------------------------------------------------------------------------
* @file: logsink.h
*
* Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com>
* MIT License, see LICENSE file for more details.
* ----------------------------------------------------------------------------
*/
/// @file
#ifndef YAGE_CORE_LOGSINK_H
#define YAGE_CORE_LOGSINK_H
/// @todo remove the include to make compilation faster
#include "logmessage.h"
#include <memory>
#include <string>
namespace yage
{
class LogSink
{
public:
template <typename T>
LogSink(T impl);
LogSink(const LogSink &sink);
LogSink(LogSink &&sink);
LogSink &operator=(const LogSink &sink);
LogSink &operator=(LogSink &&sink);
bool operator==(const LogSink &sink);
void write(const LogMessage::Meta &meta, const std::string &msg) const;
private:
struct Concept {
virtual ~Concept() = default;
virtual Concept *clone() const = 0;
virtual void write(const LogMessage::Meta &meta,
const std::string &msg) const = 0;
};
template <typename T>
struct Model : Concept {
Model(T impl_i);
virtual Concept *clone() const override;
virtual void write(const LogMessage::Meta &meta,
const std::string &msg) const override;
T impl;
};
std::unique_ptr<Concept> wrapper_;
};
LogSink makeConsoleSink();
LogSink makeFileSink(const std::string &filename);
LogSink makeFileSink(std::string &&filename);
/* -----------------------------------------------------------------------------
* Template Implementation
* -----------------------------------------------------------------------------
*/
template <typename T>
LogSink::LogSink(T impl) : wrapper_(new Model<T>(std::move(impl)))
{
}
template <typename T>
LogSink::Model<T>::Model(T impl_i) : impl(impl_i)
{
}
template <typename T>
LogSink::Concept *LogSink::Model<T>::clone() const
{
return new Model<T>(impl);
}
template <typename T>
void LogSink::Model<T>::write(const LogMessage::Meta &meta,
const std::string &msg) const
{
impl(meta, msg);
}
} // namespace yage
#endif
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