logging.h

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//
// Copyright (c) 2017 Regents of the SIGNET lab, University of Padova.
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#ifndef _LOGGING_H_
#define _LOGGING_H_
 
#include <iostream>
#include <string_view>
 
namespace ConsoleColours
{
 
#ifdef _WIN32
#error Not implemented.
#else
inline constexpr std::string_view Red = "\x1b[1;31m";
inline constexpr std::string_view Green = "\x1b[1;32m";
inline constexpr std::string_view Yellow = "\x1b[1;33m";
inline constexpr std::string_view Blue = "\x1b[1;34m";
inline constexpr std::string_view Magenta = "\x1b[1;35m";
inline constexpr std::string_view Cyan = "\x1b[1;36m";
inline constexpr std::string_view Reset = "\x1b[0m";
#endif
 
}; // namespace ConsoleColours
 
#define LOG_MSG(color, msg) \
    std::cout << color << msg << ConsoleColours::Reset << std::endl;
 
#define LOG_MSG_ONCE(color, msg)       \
    {                                  \
        static bool msg_shown = false; \
        if (!msg_shown) {              \
            msg_shown = true;          \
            LOG_MSG(color, msg)        \
        }                              \
    }
 
#define LOG_MSG_INFO(msg) LOG_MSG(ConsoleColours::Green, msg)
#define LOG_MSG_WARN(msg) LOG_MSG(ConsoleColours::Yellow, msg)
#define LOG_MSG_ERROR(msg) LOG_MSG(ConsoleColours::Red, msg)
 
#define LOG_MSG_INFO_ONCE(msg) LOG_MSG_ONCE(ConsoleColours::Green, msg)
#define LOG_MSG_WARN_ONCE(msg) LOG_MSG_ONCE(ConsoleColours::Yellow, msg)
#define LOG_MSG_ERROR_ONCE(msg) LOG_MSG_ONCE(ConsoleColours::Red, msg)
 
#endif /* _LOGGING_H_ */