Enum.h

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/*
 * Objectively: Ultra-lightweight object oriented framework for GNU C.
 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#pragma once
 
#include <Objectively/Types.h>
#include <Objectively/String.h>
 
typedef struct {
  const char *name;
  const char *alias;
  int value;
} EnumName;
 
#define MakeEnumName(en) \
  { \
    .name = #en, \
    .alias = NULL, \
    .value = en, \
  }
 
#define MakeEnumAlias(en, al) \
  { \
    .name = #en, \
    .alias = #al, \
    .value = en, \
  }
 
#define MakeEnumNames(...) \
  { \
    __VA_ARGS__, \
    { \
      .name = NULL, \
      .value = 0 \
    } \
  }
 
OBJECTIVELY_EXPORT String *nameof(const EnumName *names, int value);
 
OBJECTIVELY_EXPORT int valueof(const EnumName *names, const char *chars);