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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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 2
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2014 by Blender Foundation.
* All rights reserved.
*
* Contributor(s): Sergey SHarybin.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BKE_LIBRARY_QUERY_H__
#define __BKE_LIBRARY_QUERY_H__
/** \file BKE_library_query.h
* \ingroup bke
* \since March 2014
* \author sergey
*/
struct ID;
/* Tips for the callback for cases it's gonna to modify the pointer. */
enum {
IDWALK_NOP = 0,
IDWALK_NEVER_NULL = (1 << 0),
IDWALK_NEVER_SELF = (1 << 1),
};
/* Call a callback for each ID link which the given ID uses.
*
* Return 'false' if you want to stop iteration.
*/
typedef bool (*LibraryIDLinkCallback) (void *user_data, struct ID **id_pointer, int cd_flag);
/* Flags for the foreach function itself. */
enum {
IDWALK_READONLY = (1 << 0),
};
/* Loop over all of the ID's this datablock links to. */
void BKE_library_foreach_ID_link(struct ID *id, LibraryIDLinkCallback callback, void *user_data, int flag);
#endif /* __BKE_LIBRARY_QUERY_H__ */
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