Formatter.h

#pragma once
 
#include <clog_qt>
 
#include "Global.h"
 
#define KNOWCORE_CORE_DECLARE_FORMATTER(_TYPE_)                                 \
  clog_fmt_declare_formatter(_TYPE_)
 
#define KNOWCORE_CORE_DECLARE_FORMATTER_INHERIT(_TYPE_, _OTHER_T_)              \
  clog_fmt_declare_formatter_inherit(_TYPE_, _OTHER_T_)
 
#define KNOWCORE_CORE_DECLARE_CAST_FORMATTER(_TYPE_, _TO_TYPE_)                     \
template<>                                                                          \
struct fmt::formatter<_TYPE_> : public clog_fmt::cast_formatter<_TYPE_, _TO_TYPE_> {};
 
namespace knowCore
{
  template<typename _TYPE_>
  struct printable_formatter : public fmt::formatter<QString> {
    template <typename FormatContext>
    auto format(_TYPE_ const& p, FormatContext& ctx)
    {
      auto const [success, value, message] = p.printable();
      if(success)
      {
        return fmt::formatter<QString>::format(value, ctx);
      } else {
        return fmt::format_to(ctx.out(), "error: '{}'", message);
      }
    }
  };
}
 
#define KNOWCORE_CORE_DECLARE_FORMATTER_PRINTABLE(_TYPE_)                           \
template<>                                                                          \
struct fmt::formatter<_TYPE_> : public knowCore::printable_formatter<_TYPE_> {};
 
#define KNOWCORE_CORE_DECLARE_FORMATTER_ENUM(_TYPE_, ...)                           \
  clog_fmt_declare_formatter_enum(_TYPE_, __VA_ARGS__)