87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2004 Blender Foundation.
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* All rights reserved.
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* external writefile function prototypes
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*/
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#pragma once
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/** \file
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* \ingroup blenloader
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*/
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struct Scene;
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struct GHash;
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typedef struct {
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void *next, *prev;
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const char *buf;
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/** Size in bytes. */
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size_t size;
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/** When true, this chunk doesn't own the memory, it's shared with a previous #MemFileChunk */
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bool is_identical;
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/** When true, this chunk is also identical to the one in the next step (used by undo code to
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* detect unchanged IDs).
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* Defined when writing the next step (i.e. last undo step has those always false). */
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bool is_identical_future;
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/** Session UUID of the ID being currently written (MAIN_ID_SESSION_UUID_UNSET when not writing
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* ID-related data). Used to find matching chunks in previous memundo step. */
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uint id_session_uuid;
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} MemFileChunk;
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typedef struct MemFile {
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ListBase chunks;
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size_t size;
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} MemFile;
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typedef struct MemFileWriteData {
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MemFile *written_memfile;
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MemFile *reference_memfile;
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uint current_id_session_uuid;
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MemFileChunk *reference_current_chunk;
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/** Maps an ID session uuid to its first reference MemFileChunk, if existing. */
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struct GHash *id_session_uuid_mapping;
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} MemFileWriteData;
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typedef struct MemFileUndoData {
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char filename[1024]; /* FILE_MAX */
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MemFile memfile;
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size_t undo_size;
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} MemFileUndoData;
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/* actually only used writefile.c */
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void BLO_memfile_write_init(MemFileWriteData *mem_data,
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MemFile *written_memfile,
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MemFile *reference_memfile);
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void BLO_memfile_write_finalize(MemFileWriteData *mem_data);
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void BLO_memfile_chunk_add(MemFileWriteData *mem_data, const char *buf, size_t size);
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/* exports */
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extern void BLO_memfile_free(MemFile *memfile);
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extern void BLO_memfile_merge(MemFile *first, MemFile *second);
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extern void BLO_memfile_clear_future(MemFile *memfile);
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/* utilities */
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extern struct Main *BLO_memfile_main_get(struct MemFile *memfile,
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struct Main *bmain,
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struct Scene **r_scene);
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extern bool BLO_memfile_write_file(struct MemFile *memfile, const char *filename);
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