83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup edfile
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*
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* This file implements the default file browser indexer and has some helper function to work with
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* `FileIndexerEntries`.
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*/
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#include "file_indexer.hh"
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#include "MEM_guardedalloc.h"
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#include "BLI_linklist.h"
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#include "BLI_listbase.h"
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#include "BLI_utildefines.h"
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namespace blender::ed::file::indexer {
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static eFileIndexerResult read_index(const char * /*file_name*/,
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FileIndexerEntries * /*entries*/,
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int * /*r_read_entries_len*/,
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void * /*user_data*/)
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{
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return FILE_INDEXER_NEEDS_UPDATE;
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}
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static void update_index(const char * /*file_name*/,
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FileIndexerEntries * /*entries*/,
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void * /*user_data*/)
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{
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}
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constexpr FileIndexerType default_indexer()
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{
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FileIndexerType indexer = {nullptr};
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indexer.read_index = read_index;
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indexer.update_index = update_index;
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return indexer;
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}
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static FileIndexerEntry *file_indexer_entry_create_from_datablock_info(
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BLODataBlockInfo *datablock_info, const int idcode)
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{
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FileIndexerEntry *entry = static_cast<FileIndexerEntry *>(
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MEM_mallocN(sizeof(FileIndexerEntry), __func__));
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entry->idcode = idcode;
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/* Shallow copy data-block info and mark original as having its asset data ownership stolen. */
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entry->datablock_info = *datablock_info;
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datablock_info->free_asset_data = false;
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return entry;
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}
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} // namespace blender::ed::file::indexer
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void ED_file_indexer_entries_extend_from_datablock_infos(
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FileIndexerEntries *indexer_entries,
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LinkNode * /*BLODataBlockInfo*/ datablock_infos,
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const int idcode)
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{
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for (LinkNode *ln = datablock_infos; ln; ln = ln->next) {
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BLODataBlockInfo *datablock_info = static_cast<BLODataBlockInfo *>(ln->link);
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FileIndexerEntry *file_indexer_entry =
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blender::ed::file::indexer::file_indexer_entry_create_from_datablock_info(datablock_info,
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idcode);
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BLI_linklist_prepend(&indexer_entries->entries, file_indexer_entry);
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}
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}
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void ED_file_indexer_entries_clear(FileIndexerEntries *indexer_entries)
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{
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BLI_linklist_free(indexer_entries->entries, [](void *indexer_entry_ptr) {
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FileIndexerEntry *indexer_entry = static_cast<FileIndexerEntry *>(indexer_entry_ptr);
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BLO_datablock_info_free(&indexer_entry->datablock_info);
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MEM_freeN(indexer_entry);
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});
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indexer_entries->entries = nullptr;
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}
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const FileIndexerType file_indexer_noop = blender::ed::file::indexer::default_indexer();
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