EnumMacros.h

#pragma once
 
#define _MAKE_ENUM(VAR) VAR,
#define _MAKE_STRINGS(VAR) #VAR,
 
/**
 * @brief Declare an enum class with a list of members. First, you must declare
 *        the list of enum values through a macro. Like so:
 *        #define ENUM_NAME_LIST(F) F(First) F(Second) F(LAST_MEMBER)
 *        Then, use this macro to declare the enum class.
 */
#define DECLARE_ENUM(ENUM_NAME, LIST)
   enum class ENUM_NAME { LIST(_MAKE_ENUM) LAST_MEMBER };
 
/**
 * @brief Declare a string table for an enum class. First, you must declare the
 *        list of enum values through a macro (see DECLARE_ENUM). Then, use this
 *        macro to declare the string table. Use ENUM_NAME##_to_string to get
 *        the string representation of an enum value.
 */
#define DECLARE_STRING_TABLE(ENUM_NAME, TABLE_NAME, LIST)
   static constexpr char const* TABLE_NAME[]{LIST(_MAKE_STRINGS)};
   static char const* ENUM_NAME##_to_string(ENUM_NAME type,
                                            char const* default_value) {
      /* Check if the type is within the range of the type string list */
      if(static_cast<int>(type) >= static_cast<int>(ENUM_NAME::LAST_MEMBER))
         return default_value;
      return TABLE_NAME[static_cast<int>(type)];
   }