hashable.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 <stdlib.h>
#include <stdio.h>
#include <stdarg.h>

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

const struct interface i_Hashable = {
    "hashable",
    2
};

unsigned long
hashableGetHash(void * hashable)
{
    unsigned long ret;

    //RETCALL(hashable, Hashable, getHash, ret);
    do {
        struct i_Hashable * iface;
        //_CALL(GET_CLASS(hashable), Hashable, getHash);
        do {
            class_ptr class = GET_CLASS(hashable);
            iface = (struct i_Hashable *)IFACE_GET(class, &i_Hashable);
            while ((NULL == iface || NULL == iface->getHash) && HAS_PARENT(class)) {
                class = class->parent;
                iface = (struct i_Hashable *)IFACE_GET(class, &i_Hashable);
            }
            assert(NULL != iface->getHash);
        } while(0);

        ret = iface->getHash(hashable);
    } while(0);


    return ret;
}

void
hashableHandleDouble(void * hashable, void * new_hashable)
{
    CALL(hashable, Hashable, handleDouble, new_hashable);
}

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