BLO_undofile.h

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/*
 * 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) 2004 Blender Foundation.
 * All rights reserved.
 * external writefile function prototypes
 */
 
#pragma once
 
struct GHash;
struct Scene;
 
typedef struct {
  void *next, *prev;
  const char *buf;
  size_t size;
  bool is_identical;
  bool is_identical_future;
  uint id_session_uuid;
} MemFileChunk;
 
typedef struct MemFile {
  ListBase chunks;
  size_t size;
} MemFile;
 
typedef struct MemFileWriteData {
  MemFile *written_memfile;
  MemFile *reference_memfile;
 
  uint current_id_session_uuid;
  MemFileChunk *reference_current_chunk;
 
  struct GHash *id_session_uuid_mapping;
} MemFileWriteData;
 
typedef struct MemFileUndoData {
  char filename[1024]; /* FILE_MAX */
  MemFile memfile;
  size_t undo_size;
} MemFileUndoData;
 
/* actually only used writefile.c */
 
void BLO_memfile_write_init(MemFileWriteData *mem_data,
                            MemFile *written_memfile,
                            MemFile *reference_memfile);
void BLO_memfile_write_finalize(MemFileWriteData *mem_data);
 
void BLO_memfile_chunk_add(MemFileWriteData *mem_data, const char *buf, size_t size);
 
/* exports */
extern void BLO_memfile_free(MemFile *memfile);
extern void BLO_memfile_merge(MemFile *first, MemFile *second);
extern void BLO_memfile_clear_future(MemFile *memfile);
 
/* utilities */
extern struct Main *BLO_memfile_main_get(struct MemFile *memfile,
                                         struct Main *bmain,
                                         struct Scene **r_scene);
extern bool BLO_memfile_write_file(struct MemFile *memfile, const char *filename);