logger.hpp

Go to the documentation of this file.

#ifndef _LOGGER_HPP
#define _LOGGER_HPP
 
#include <iostream>
#include <exception>
 
#define _LOGGER_INFO
#define _LOGGER_COUT
#define _LOGGER_DEBUG
#define _LOGGER_WARNING
#define _LOGGER_ERROR
#define _LOGGER_ERROR_THROW_EXCEPTION
 
namespace galaxis {
  namespace utils {
 
    template <typename... Args>
    void log_nonewline(const Args&... args) {
#ifdef _LOGGER_INFO
      (std::clog << ... << args);
#endif
    }
 
    template <typename... Args>
    void log_cout(const Args&... args) {
#ifdef _LOGGER_COUT
      (std::cout << ... << args);
      std::cout << "\n";
#endif
    }
 
    template <typename... Args>
    void log(const Args&... args) {
#ifdef _LOGGER_INFO
      (std::clog << ... << args);
      std::clog << "\n";
#endif
    }
 
    template <typename... Args>
    void log_warning(const Args&... args) {
#ifdef _LOGGER_WARNING
      std::clog << "WARNING: ";
      (std::clog << ... << args);
      std::clog << "\n";
#endif
    }
 
    template <typename... Args>
    void log_error(const Args&... args) {
#ifdef _LOGGER_ERROR
      std::cerr << "ERROR: ";
      (std::cerr << ... << args);
      std::cerr << "\n";
#ifdef _LOGGER_ERROR_THROW_EXCEPTION
      throw std::runtime_error("Look at the ERROR above. (thrown from utilities/.../logger.hpp)");
#endif
#endif
    }
 
    template <typename... Args>
    void log_debug(const Args&... args) {
#ifdef _LOGGER_DEBUG
      std::cerr << "DEBUG: ";
      (std::cerr << ... << args);
      std::cerr << "\n";
#endif
    }
 
  } // namespace utils
} // namespace galaxis
 
#endif // _LOGGER_HPP