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Diffstat (limited to 'source/blender/blenlib/BLI_session_uuid.h')
-rw-r--r-- | source/blender/blenlib/BLI_session_uuid.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_session_uuid.h b/source/blender/blenlib/BLI_session_uuid.h new file mode 100644 index 00000000000..05355a85b39 --- /dev/null +++ b/source/blender/blenlib/BLI_session_uuid.h @@ -0,0 +1,68 @@ +/* + * 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. + */ + +#pragma once + +/** \file + * \ingroup bli + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "DNA_session_uuid_types.h" + +/* Generate new UUID which is unique throughout the Blender session. */ +SessionUUID BLI_session_uuid_generate(void); + +/* Check whether the UUID is properly generated. */ +bool BLI_session_uuid_is_generated(const SessionUUID *uuid); + +/* Check whether two UUIDs are identical. */ +bool BLI_session_uuid_is_equal(const SessionUUID *lhs, const SessionUUID *rhs); + +uint64_t BLI_session_uuid_hash_uint64(const SessionUUID *uuid); + +/* Utility functions to make it possible to create GHash/GSet with UUID as a key. */ +uint BLI_session_uuid_ghash_hash(const void *uuid_v); +bool BLI_session_uuid_ghash_compare(const void *lhs_v, const void *rhs_v); + +#ifdef __cplusplus +} +#endif + +#ifdef __cplusplus + +namespace blender { + +inline const bool operator==(const SessionUUID &lhs, const SessionUUID &rhs) +{ + return BLI_session_uuid_is_equal(&lhs, &rhs); +} + +template<typename T> struct DefaultHash; + +template<> struct DefaultHash<SessionUUID> { + uint64_t operator()(const SessionUUID &value) const + { + return BLI_session_uuid_hash_uint64(&value); + } +}; + +} // namespace blender + +#endif |