spdlog/include/c11log/details/line_logger.h

85 lines
1.8 KiB
C++

#pragma once
#include <sstream>
#include "../common.h"
#include "../logger.h"
#include "fast_oss.h"
// Line logger class - aggregates operator<< calls to fast ostream
// and logs upon destruction
namespace c11log
{
namespace details
{
class line_logger
{
public:
line_logger(logger* callback_logger, level::level_enum msg_level, bool enabled):
_callback_logger(callback_logger),
_log_msg(msg_level),
_oss(),
_enabled(enabled)
{}
// No copy intended. Only move
line_logger(const line_logger& other) = delete;
line_logger& operator=(const line_logger&) = delete;
line_logger& operator=(line_logger&&) = delete;
line_logger(line_logger&& other) :
_callback_logger(other._callback_logger),
_log_msg(std::move(other._log_msg)),
_oss(std::move(other._oss)),
_enabled(other._enabled)
{
other.disable();
}
//Log the log message using the callback logger
~line_logger()
{
if (_enabled)
{
_log_msg.logger_name = _callback_logger->name();
_log_msg.time = log_clock::now();
_log_msg.tm_time = details::os::localtime(log_clock::to_time_t(_log_msg.time));
_log_msg.raw = _oss.str();
_callback_logger->_log_msg(_log_msg);
}
}
template<typename T>
void write(const T& what)
{
if (_enabled)
{
_oss << what;
}
}
template<typename T>
line_logger& operator<<(const T& what)
{
write(what);
return *this;
}
void disable()
{
_enabled = false;
}
private:
logger* _callback_logger;
log_msg _log_msg;
details::fast_oss _oss;
bool _enabled;
};
} //Namespace details
} // Namespace c11log