2008-08-06 11:15:24 -07:00
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/* EINA - EFL data type library
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* Copyright (C) 2008 Cedric Bail
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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2008-07-31 08:08:19 -07:00
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#ifndef EINA_MAGIC_H_
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#define EINA_MAGIC_H_
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2008-09-26 04:41:55 -07:00
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#ifdef EINA_MAGIC_DEBUG
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2008-07-31 08:08:19 -07:00
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2008-08-01 07:25:20 -07:00
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#include "eina_types.h"
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2008-07-31 08:08:19 -07:00
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#define EINA_MAGIC_NONE 0x1234fedc
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#define EINA_MAGIC Eina_Magic __magic;
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#define EINA_MAGIC_SET(d, m) (d)->__magic = (m)
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#define EINA_MAGIC_CHECK(d, m) ((d) && ((d)->__magic == (m)))
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2008-09-25 02:02:41 -07:00
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#define EINA_MAGIC_FAIL(d, m) eina_magic_fail((void*)(d), (d) ? (d)->__magic : 0, (m), __FILE__, __FUNCTION__, __LINE__);
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2008-07-31 08:08:19 -07:00
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typedef unsigned int Eina_Magic;
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2008-10-10 02:33:40 -07:00
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EAPI int eina_magic_string_init(void);
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EAPI int eina_magic_string_shutdown(void);
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2008-07-31 08:08:19 -07:00
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EAPI const char* eina_magic_string_get(Eina_Magic magic);
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EAPI void eina_magic_string_set(Eina_Magic magic, const char *magic_name);
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EAPI void eina_magic_fail(void *d, Eina_Magic m, Eina_Magic req_m,
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const char *file, const char *fnc, int line);
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#else
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2008-09-25 02:02:41 -07:00
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#define EINA_MAGIC_NONE ((void) 0)
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2008-07-31 08:08:19 -07:00
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#define EINA_MAGIC
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2008-09-25 02:02:41 -07:00
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#define EINA_MAGIC_SET(d, m) ((void) 0)
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2008-07-31 08:08:19 -07:00
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#define EINA_MAGIC_CHECK(d, m) (1)
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2008-09-25 02:02:41 -07:00
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#define EINA_MAGIC_FAIL(d, m) ((void) 0)
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2008-07-31 08:08:19 -07:00
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#define eina_magic_string_get(Magic) (NULL)
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2008-09-25 02:02:41 -07:00
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#define eina_magic_string_set(Magic, Magic_Name) ((void) 0)
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#define eina_magic_fail(d, m, req_m, file, fnx, line) ((void) 0)
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Make it possible to create iterators outside Eina.
Many places in EFL we just create walk something, create a list with
walked data, return, then the user walks it again and then deletes
(which will walk again). For such cases it's way better to define
iterators or accessors.
I'm not moving any EFL code to it now, but if people are interested,
things like evas_render_method_list(), evas_font_available_list(),
evas_objects_at_xy_get(), evas_objects_in_rectangle_get(),
evas_object_smart_members_get() are good candidates. If the subject is
already using Eina list, then you can just use
eina_list_iterator_new() and return it, otherwise you can define your
own iterator, which is very easy.
SVN revision: 37956
2008-12-05 19:41:03 -08:00
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#define eina_magic_string_init() do {} while(0)
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#define eina_magic_string_shutdown() do {} while(0)
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2008-07-31 08:08:19 -07:00
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#endif
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#endif /* EINA_MAGIC_H_ */
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