objects.h

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/* $Id$ */

/*
 *  (C) Copyright 2003 Wojtek Kaniewski <wojtekka@irc.pl>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License Version 2 as
 *  published by the Free Software Foundation.
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __EKG_OBJECTS_H
#define __EKG_OBJECTS_H

#include "xmalloc.h"

#ifdef __cplusplus
extern "C" {
#endif

#define PROPERTY_INT_GET(object,property,type) \
    \
    type object##_##property##_get(object##_t *o) \
    { \
        return (o) ? o->property : -1; \
    }

#define PROPERTY_INT_SET(object,property,type) \
    \
    int object##_##property##_set(object##_t *o, type v) \
    { \
        if (!o) \
            return -1; \
        \
        o->property = v; \
        \
        return 0; \
    }

#define PROPERTY_INT(object,property,type) \
    \
    PROPERTY_INT_GET(object,property,type) \
    PROPERTY_INT_SET(object,property,type)



#define PROPERTY_STRING_GET(object,property) \
    \
    const char *object##_##property##_get(object##_t *o) \
    { \
        return (o) ? o->property : NULL; \
    }


#define PROPERTY_STRING_SET(object,property) \
    \
    int object##_##property##_set(object##_t *o, const char *v) \
    { \
        if (!o) \
            return -1; \
        \
        xfree(o->property); \
        o->property = xstrdup(v); \
        \
        return 0; \
    }

#define PROPERTY_STRING(object,property) \
\
PROPERTY_STRING_SET(object, property) \
PROPERTY_STRING_GET(object, property)


#define PROPERTY_PRIVATE_GET(object) \
    \
    void *object##_private_get(object##_t *o) \
    { \
        return (o) ? o->priv : NULL; \
    }

#define PROPERTY_PRIVATE_SET(object) \
    \
    int object##_private_set(object##_t *o, void *v) \
    { \
        if (!o) \
            return -1; \
        \
        o->priv = v; \
        \
        return 0; \
    }

#define PROPERTY_PRIVATE(object) \
    \
    PROPERTY_PRIVATE_GET(object) \
    PROPERTY_PRIVATE_SET(object)


#define PROPERTY_MISC_GET(object,property,type,null) \
    \
    type object##_##property##_get(object##_t *o) \
    { \
        return (o) ? o->property : null; \
    }

#define PROPERTY_MISC_SET(object,property,type) \
    \
    int object##_##property##_set(object##_t *o, type v) \
    { \
        if (!o) \
            return -1; \
        \
        o->property = v; \
        \
        return 0; \
    }

#define PROPERTY_MISC(object,property,type,null) \
    \
    PROPERTY_MISC_GET(object,property,type,null) \
    PROPERTY_MISC_SET(object,property,type)

#ifdef __cplusplus
}
#endif

#endif /* __EKG_OOP_H */


/*
 * Local Variables:
 * mode: c
 * c-file-style: "k&r"
 * c-basic-offset: 8
 * indent-tabs-mode: t
 * End:
 */