cclass.h 2.1 KB
/**
 * cclass.h: basic "class-like" handling of code and data structures
 * Copyright (C) 2011  Georg Hopp
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef __CCLASS_H__
#define __CCLASS_H__

#include <stdarg.h>
#include <sys/types.h>
#include <json/json.h>

#define CCLASS_MAGIC    0xFEFE

#define INIT_CCLASS(name, jsonConst, toJson) \
    static const struct CCLASS _##name = { \
        CCLASS_MAGIC, \
        sizeof(struct name), \
        (ctor)__construct, \
        (jCtor)jsonConst, \
        (dtor)__destruct, \
        (jTo)toJson \
    }; const struct CCLASS * const name = &_##name



typedef void (* ctor)(void *, va_list *);
typedef void (* dtor)(void *);
typedef void (* jCtor)(void *, struct json_object *);
typedef struct json_object * (* jTo)(void *);


struct CCLASS {
    const int magic;
    size_t size;
    void (* __construct)(void * _this, va_list * params);
    void (* __jsonConst)(void * _this, struct json_object * json);
    void (* __destruct)(void * _this);
    struct json_object * (* __toJson)(void * _this);
};
#define CCLASS_PTR_SIZE     sizeof(struct CCLASS *)
#define CCLASS_SIZE         sizeof(struct CCLASS)

void *               new(const void * _class, ...);
void *               newFromJson(const void * _class, struct json_object * json);
void                 delete(void * _object);
struct json_object * toJson(void * _object);
int                  isObject(void * _object);
int                  instanceOf(const void * _class, void * _object);

#endif//__CCLASS_H__

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