c1bc70b711
A lot of files were missing copyright field in the header and
the Blender Foundation contributed to them in a sense of bug
fixing and general maintenance.
This change makes it explicit that those files are at least
partially copyrighted by the Blender Foundation.
Note that this does not make it so the Blender Foundation is
the only holder of the copyright in those files, and developers
who do not have a signed contract with the foundation still
hold the copyright as well.
Another aspect of this change is using SPDX format for the
header. We already used it for the license specification,
and now we state it for the copyright as well, following the
FAQ:
https://reuse.software/faq/
74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
/* SPDX-FileCopyrightText: 2023 Blender Foundation
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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*
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* API to generate and use a mapping from [ID type & name] to [id pointer], within a given Main
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* data-base.
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*
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* \note `BKE_main` files are for operations over the Main database itself, or generating extra
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* temp data to help working with it. Those should typically not affect the data-blocks themselves.
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*
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* \section Function Names
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*
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* - `BKE_main_idmap_` Should be used for functions in that file.
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*/
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#include "BLI_compiler_attrs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ID;
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struct IDNameLib_Map;
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struct Main;
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enum {
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MAIN_IDMAP_TYPE_NAME = 1 << 0,
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MAIN_IDMAP_TYPE_UUID = 1 << 1,
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};
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/**
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* Generate mapping from ID type/name to ID pointer for given \a bmain.
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*
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* \note When used during undo/redo, there is no guaranty that ID pointers from UI area are not
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* pointing to freed memory (when some IDs have been deleted). To avoid crashes in those cases, one
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* can provide the 'old' (aka current) Main database as reference. #BKE_main_idmap_lookup_id will
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* then check that given ID does exist in \a old_bmain before trying to use it.
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*
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* \param create_valid_ids_set: If \a true, generate a reference to prevent freed memory accesses.
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* \param old_bmain: If not NULL, its IDs will be added the valid references set.
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*/
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struct IDNameLib_Map *BKE_main_idmap_create(struct Main *bmain,
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bool create_valid_ids_set,
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struct Main *old_bmain,
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int idmap_types) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL(1);
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void BKE_main_idmap_destroy(struct IDNameLib_Map *id_map) ATTR_NONNULL();
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void BKE_main_idmap_insert_id(struct IDNameLib_Map *id_map, struct ID *id) ATTR_NONNULL();
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void BKE_main_idmap_remove_id(struct IDNameLib_Map *id_map, struct ID *id) ATTR_NONNULL();
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struct Main *BKE_main_idmap_main_get(struct IDNameLib_Map *id_map) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL();
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struct ID *BKE_main_idmap_lookup_name(struct IDNameLib_Map *id_map,
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short id_type,
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const char *name,
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const struct Library *lib) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL(1, 3);
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struct ID *BKE_main_idmap_lookup_id(struct IDNameLib_Map *id_map,
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const struct ID *id) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL(1, 2);
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struct ID *BKE_main_idmap_lookup_uuid(struct IDNameLib_Map *id_map,
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uint session_uuid) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
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#ifdef __cplusplus
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}
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#endif
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