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136 lines
2.8 KiB
C++
136 lines
2.8 KiB
C++
/*
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* CLoggerBase.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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namespace ELogLevel
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{
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enum ELogLevel
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{
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NOT_SET = 0,
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TRACE,
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DEBUG,
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INFO,
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WARN,
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ERROR
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};
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inline std::string to_string(ELogLevel level)
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{
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switch (level) {
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case NOT_SET:
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return "not set";
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case TRACE:
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return "trace";
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case DEBUG:
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return "debug";
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case INFO:
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return "info";
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case WARN:
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return "warn";
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case ERROR:
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return "error";
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default:
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return std::string("invalid (") + std::to_string(level) + ")";
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}
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}
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}
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namespace vstd
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{
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class DLL_LINKAGE CLoggerBase
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{
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public:
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virtual ~CLoggerBase(){};
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virtual void log(ELogLevel::ELogLevel level, const std::string & message) const = 0;
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virtual void log(ELogLevel::ELogLevel level, const boost::format & fmt) const = 0;
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template<typename T, typename ... Args>
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void log(ELogLevel::ELogLevel level, const std::string & format, T t, Args ... args) const
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{
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boost::format fmt(format);
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makeFormat(fmt, t, args...);
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log(level, fmt);
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}
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/// Log methods for various log levels
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inline void error(const std::string & message) const
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{
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log(ELogLevel::ERROR, message);
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};
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template<typename T, typename ... Args>
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void error(const std::string & format, T t, Args ... args) const
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{
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log(ELogLevel::ERROR, format, t, args...);
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}
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inline void warn(const std::string & message) const
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{
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log(ELogLevel::WARN, message);
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};
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template<typename T, typename ... Args>
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void warn(const std::string & format, T t, Args ... args) const
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{
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log(ELogLevel::WARN, format, t, args...);
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}
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inline void info(const std::string & message) const
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{
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log(ELogLevel::INFO, message);
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};
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template<typename T, typename ... Args>
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void info(const std::string & format, T t, Args ... args) const
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{
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log(ELogLevel::INFO, format, t, args...);
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}
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inline void debug(const std::string & message) const
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{
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log(ELogLevel::DEBUG, message);
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};
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template<typename T, typename ... Args>
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void debug(const std::string & format, T t, Args ... args) const
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{
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log(ELogLevel::DEBUG, format, t, args...);
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}
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inline void trace(const std::string & message) const
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{
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log(ELogLevel::TRACE, message);
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};
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template<typename T, typename ... Args>
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void trace(const std::string & format, T t, Args ... args) const
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{
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log(ELogLevel::TRACE, format, t, args...);
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}
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private:
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template <typename T>
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void makeFormat(boost::format & fmt, T t) const
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{
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fmt % t;
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}
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template <typename T, typename ... Args>
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void makeFormat(boost::format & fmt, T t, Args ... args) const
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{
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fmt % t;
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makeFormat(fmt, args...);
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}
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};
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}
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