Differential D12544 Diff 43565 source/blender/editors/space_file/file_indexer.cc

Changeset View

Standalone View

source/blender/editors/space_file/file_indexer.cc

This file was added.

				/*
				* 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.
				*/

				/** \file
				* \ingroup edfile
				*
				* This file implements the default file browser indexer and has some helper function to work with
				* `FileIndexerEntries`.
				*/
				#include "file_indexer.h"

				#include "MEM_guardedalloc.h"

				#include "BLI_linklist.h"
				#include "BLI_listbase.h"
				#include "BLI_string.h"
				#include "BLI_utildefines.h"

				namespace blender::ed::file::indexer {

				static eFileIndexerResult read_index(const char *UNUSED(file_name),
				FileIndexerEntries *UNUSED(entries),
				int *UNUSED(r_read_entries_len),
				void *UNUSED(user_data))
				{
				return FILE_INDEXER_NEEDS_UPDATE;
				}

				static void update_index(const char *UNUSED(file_name),
				FileIndexerEntries *UNUSED(entries),
				void *UNUSED(user_data))
				{
				}

				constexpr FileIndexer default_indexer()
				{
				FileIndexer indexer = {nullptr};
				indexer.read_index = read_index;
				indexer.update_index = update_index;
				return indexer;
				}

				static FileIndexerEntry *file_indexer_entry_create_from_datablock_info(
				const BLODataBlockInfo *datablock_info, const int idcode)
				{
				FileIndexerEntry entry = static_cast<FileIndexerEntry >(
				MEM_mallocN(sizeof(FileIndexerEntry), __func__));
				entry->datablock_info = *datablock_info;
				entry->idcode = idcode;
				return entry;
				}

				} // namespace blender::ed::file::indexer

				extern "C" {

				void ED_file_indexer_entries_extend_from_datablock_infos(
				FileIndexerEntries *indexer_entries,
				const LinkNode * /* BLODataBlockInfo */ datablock_infos,
				const int idcode)
				{
				for (const LinkNode *ln = datablock_infos; ln; ln = ln->next) {
				const BLODataBlockInfo datablock_info = static_cast<const BLODataBlockInfo >(ln->link);
				FileIndexerEntry *file_indexer_entry =
				blender::ed::file::indexer::file_indexer_entry_create_from_datablock_info(datablock_info,
				idcode);
				BLI_linklist_prepend(&indexer_entries->entries, file_indexer_entry);
				}
				}

				static void ED_file_indexer_entry_free(void *indexer_entry)
				{
				MEM_freeN(indexer_entry);
				}

				void ED_file_indexer_entries_clear(FileIndexerEntries *indexer_entries)
				{
				BLI_linklist_free(indexer_entries->entries, ED_file_indexer_entry_free);
				indexer_entries->entries = nullptr;
				}

				const FileIndexer file_indexer_noop = blender::ed::file::indexer::default_indexer();
				}