72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
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//
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// logger.hpp
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// libsclogging
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//
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// Created by Bob Polis at 2020-04-29
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// Copyright (c) 2020 SwiftCoder. All rights reserved.
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//
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#ifndef _logger_H_
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#define _logger_H_
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#include <iostream>
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namespace sc {
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enum class loglevel {
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undefined,
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debug,
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info,
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warning,
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error,
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critical
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};
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constexpr bool operator>=(loglevel lhs, loglevel rhs) {
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return static_cast<int>(lhs) >= static_cast<int>(rhs);
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}
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constexpr const char* loglevel_desc(loglevel lvl) {
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switch (lvl) {
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case loglevel::undefined: return "UNDEFINED"; break;
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case loglevel::debug: return "DEBUG"; break;
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case loglevel::info: return "INFO"; break;
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case loglevel::warning: return "WARNING"; break;
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case loglevel::error: return "ERROR"; break;
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case loglevel::critical: return "CRITICAL"; break;
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}
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return "";
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}
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class logger {
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public:
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logger(loglevel level);
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void msg(loglevel level);
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template<typename T, typename... Args>
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void msg(loglevel level, T value, Args... args) {
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if (level >= _level) {
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if (_topcall) {
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_topcall = false;
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write_prefix();
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}
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std::cerr << value;
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msg(level, args...);
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}
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}
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loglevel level() const { return _level; }
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void level(loglevel level) { _level = level; }
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private:
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void write_prefix();
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loglevel _level {loglevel::info};
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bool _topcall {true};
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};
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}
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#endif // _logger_H_
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