77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
#pragma once
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#include "../common_types.h"
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#include "../logger.h"
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#include "fast_oss.h"
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// line logger class. should be used by the logger as an rvalue only.
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// aggregates logging string until the end of the line and then calls the logger upon destruction
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namespace c11log
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{
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//class logger;
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namespace details
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{
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class line_logger
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{
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public:
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line_logger(logger* callback_logger, level::level_enum msg_level, bool enabled):
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_callback_logger(callback_logger),
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_oss(),
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_level(msg_level),
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_enabled(enabled)
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{
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if(enabled)
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{
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callback_logger->_formatter->format_header(callback_logger->_logger_name,
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msg_level,
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log_clock::now(),
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_oss);
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}
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}
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// No copy intended. Only move
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line_logger(const line_logger& other) = delete;
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line_logger& operator=(const line_logger&) = delete;
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line_logger& operator=(line_logger&&) = delete;
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line_logger(line_logger&& other) :
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_callback_logger(other._callback_logger),
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// The move ctor should only be called on start of logging line,
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// where no logging happened yet for this line so no need to copy the string from the other
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_oss(),
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_level(other._level)
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{
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};
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~line_logger()
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{
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if (_enabled)
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{
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_oss << '\n';
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_callback_logger->_log_it(_oss.str_ref(), _level);
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}
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}
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template<typename T>
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line_logger&& operator<<(const T& msg) &&
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{
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if (_enabled)
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_oss << msg;
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return std::move(*this);
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}
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private:
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logger* _callback_logger;
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details::fast_oss _oss;
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level::level_enum _level;
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bool _enabled;
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};
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} //Namespace details
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} // Namespace c11log
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