Logging-impl.hpp

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#ifndef DART_COMMON_DETAIL_LOGGING_IMPL_HPP_
#define DART_COMMON_DETAIL_LOGGING_IMPL_HPP_
 
#include "dart/common/Logging.hpp"
 
#if DART_HAVE_spdlog
  #include <spdlog/spdlog.h>
#else
  #include <iostream>
  #include <string>
#endif
 
namespace dart::common {
 
#if !DART_HAVE_spdlog
namespace detail {
 
//==============================================================================
template <typename S1, typename S2>
void print(std::ostream& os, const S1& header, const S2& format_str, int color)
{
  os << "\033[1;" << color << "m" << header << "\033[0m " << format_str
     << std::endl;
}
 
//==============================================================================
template <typename S, typename Arg, typename... Args>
void print(
    std::ostream& os,
    const S& header,
    std::string format_str,
    int color,
    Arg&& arg,
    Args&&... args)
{
  os << "\033[1;" << color << "m" << header << "\033[0m " << format_str
     << " [args]: ";
  os << std::forward<Arg>(arg);
  ((os << ", " << std::forward<Args>(args)), ...);
  os << std::endl;
}
 
} // namespace detail
#endif
 
//==============================================================================
template <typename S, typename... Args>
void trace(const S& format_str, [[maybe_unused]] Args&&... args)
{
#if DART_HAVE_spdlog
  spdlog::trace(format_str, std::forward<Args>(args)...);
#else
  detail::print(
      std::cout, "[trace]", format_str, 38, std::forward<Args>(args)...);
#endif
}
 
//==============================================================================
template <typename S, typename... Args>
void debug(const S& format_str, [[maybe_unused]] Args&&... args)
{
#if DART_HAVE_spdlog
  spdlog::debug(format_str, std::forward<Args>(args)...);
#else
  detail::print(
      std::cout, "[debug]", format_str, 36, std::forward<Args>(args)...);
#endif
}
 
//==============================================================================
template <typename S, typename... Args>
void info(const S& format_str, [[maybe_unused]] Args&&... args)
{
#if DART_HAVE_spdlog
  spdlog::info(format_str, std::forward<Args>(args)...);
#else
  detail::print(
      std::cout, "[info]", format_str, 32, std::forward<Args>(args)...);
#endif
}
 
//==============================================================================
template <typename S, typename... Args>
void warn(const S& format_str, [[maybe_unused]] Args&&... args)
{
#if DART_HAVE_spdlog
  spdlog::warn(format_str, std::forward<Args>(args)...);
#else
  detail::print(
      std::cerr, "[warn]", format_str, 33, std::forward<Args>(args)...);
#endif
}
 
//==============================================================================
template <typename S, typename... Args>
void error(const S& format_str, [[maybe_unused]] Args&&... args)
{
#if DART_HAVE_spdlog
  spdlog::error(format_str, std::forward<Args>(args)...);
#else
  detail::print(
      std::cerr, "[error]", format_str, 31, std::forward<Args>(args)...);
#endif
}
 
//==============================================================================
template <typename S, typename... Args>
void fatal(const S& format_str, [[maybe_unused]] Args&&... args)
{
#if DART_HAVE_spdlog
  spdlog::critical(format_str, std::forward<Args>(args)...);
#else
  detail::print(
      std::cerr, "[fatal]", format_str, 35, std::forward<Args>(args)...);
#endif
}
 
} // namespace dart::common
 
#endif // DART_COMMON_DETAIL_LOGGING_IMPL_HPP_