i_class.c

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/**
 * \file
 *
 * \author  Georg Hopp
 *
 * \copyright
 * Copyright © 2012  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/>.
 */

#include <stdarg.h>
#include <stdlib.h>
#include <assert.h>

#include "class/class.h"
#include "class/interface/class.h"

#include "utils/memory.h"


const
struct interface i_Class = {
    "class",
    3
};

void *
classNewParams(class_ptr class, va_list * params)
{
    void *  object = memCalloc(1, class->object_size + sizeof(void*));
    int     ret;

    * (class_ptr *)object = class;
    object += sizeof(void*);

    RETCALL(object, Class, ctor, ret, params);

    if (-1 == ret) {
        classDelete(&object);
    }

    return object;
}

void *
classNew(class_ptr class, ...)
{
    va_list   params;
    void    * object;

    va_start(params, class);
    object = classNewParams(class, &params);
    va_end(params);

    return object;
}

void
classDelete(void ** object)
{
    if (NULL != *object) {
        void * mem;

        CALL(*object, Class, dtor);

        mem = *object - sizeof(void*);
        MEM_FREE(mem);
        *object = NULL;
    }
}

void *
classClone(void * _object)
{
    class_ptr class  = GET_CLASS(_object);
    void *    object = memCalloc(1, class->object_size + sizeof(void*));

    * (class_ptr *)object = class;
    object += sizeof(void*);

#undef clone
    CALL(object, Class, clone, _object);

    return object;
}

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