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DCubix/Logger.cpp

Created December 13, 2017 15:35
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Logger.cpp
#include "Logger.h"
#include <fstream>
#include <assert.h>
#include "termcolor.hpp"
namespace tfx {
#ifdef TFX_DEBUG
Logger Logger::logger = Logger();
std::ofstream& Logger::logFile = std::ofstream();
#else
std::ofstream& Logger::logFile = std::ofstream("Log_" + Util::currentDateTimeNoFormat() + ".txt");
Logger Logger::logger = Logger(Engine::logFile);
#endif
Logger::Logger() : m_output(std::cout) {
}
Logger::Logger(std::ostream& output) : m_output(output) {
if (m_output.bad()) {
assert(false);
}
}
Logger::~Logger() {
m_output.flush();
static std::stringstream closed_flag;
m_output.rdbuf(closed_flag.rdbuf());
if (logFile) {
logFile.close();
}
}
void Logger::print(LogLevel level, const char* file, const char* function, int line, const String& msg) {
// [12/12/2017 23:45] => [ERROR] [func@33] Test error!
String prefx = "[" + Util::currentDateTime() + "] => ";
String filen = file;
filen = filen.replace(R"(\)", "/");
filen = filen.subStr(filen.lastIndexOf(String("/"))+1);
#ifdef TFX_DEBUG
m_output << termcolor::green << termcolor::dark;
#endif
m_output << prefx.str();
#ifdef TFX_DEBUG
switch (level) {
case LogLevel::Debug: m_output << termcolor::cyan; break;
case LogLevel::Info: m_output << termcolor::blue; break;
case LogLevel::Warning: m_output << termcolor::yellow; break;
case LogLevel::Error: m_output << termcolor::red; break;
case LogLevel::Fatal: m_output << termcolor::magenta; break;
}
#endif
switch (level) {
case LogLevel::Debug: m_output << "[DEBG]"; break;
case LogLevel::Info: m_output << "[INFO]"; break;
case LogLevel::Warning: m_output << "[WARN]"; break;
case LogLevel::Error: m_output << "[ERROR]"; break;
case LogLevel::Fatal: m_output << "[FATAL]"; break;
}
#ifdef TFX_DEBUG
m_output << termcolor::reset;
#endif
m_output << " [" << filen << "(" << function << " @ " << line << ")] " << msg << std::endl;
}
}
Raw
Logger.h
#ifndef TFX_CORE_LOG_H
#define TFX_CORE_LOG_H
#include "Util.h"
#include <fstream>
#include <iostream>
namespace tfx {
enum LogLevel {
Debug = 0,
Info,
Warning,
Error,
Fatal
};
class Logger {
public:
Logger();
Logger(std::ostream& output);
~Logger();
void print(LogLevel level, const char* file, const char* function, int line, const String& msg);
static Logger& getSingleton() { return logger; }
private:
std::ostream& m_output;
static Logger logger;
static std::ofstream& logFile;
};
}
#define LOGGER Logger::getSingleton()
#define Log(msg) LOGGER.print(LogLevel::Debug, __FILE__, __FUNCTION__, __LINE__, msg)
#define LogInfo(msg) LOGGER.print(LogLevel::Info, __FILE__, __FUNCTION__, __LINE__, msg)
#define LogWarning(msg) LOGGER.print(LogLevel::Warning, __FILE__, __FUNCTION__, __LINE__, msg)
#define LogError(msg) LOGGER.print(LogLevel::Error, __FILE__, __FUNCTION__, __LINE__, msg)
#define LogFatal(msg) LOGGER.print(LogLevel::Fatal, __FILE__, __FUNCTION__, __LINE__, msg)
#endif // TFX_CORE_LOG_H
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