log.h

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/*
  Contains functions / classes useful for logging runtime information
*/
 
#pragma once
 
#include <cstdarg>
#include <iostream>
#include <string>
 
#include "units/base.h"
 
namespace argos_lib {
  enum LogLevel { INFO, ERR };
 
  class ArgosLogger {
   public:
    ArgosLogger() = delete;
    explicit ArgosLogger(std::string tag) : m_tag{tag} {}
 
    void Log(LogLevel level, const char* fmt, ...) const {
      va_list lst;
      va_start(lst, fmt);
      switch (level) {
        case LogLevel::INFO:
          std::fprintf(stdout, "[%s]", m_tag.c_str());
          std::vfprintf(stdout, fmt, lst);
          break;
 
        case LogLevel::ERR:
          std::fprintf(stderr, "[%s_ERROR]", m_tag.c_str());
          std::vfprintf(stderr, fmt, lst);
          break;
 
        default:
          std::fprintf(stdout, "[%s]", m_tag.c_str());
          std::vfprintf(stdout, fmt, lst);
          break;
      }
      std::fprintf(stdout, "\n");
    }
 
   private:
    std::string m_tag;
  };
}  // namespace argos_lib