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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.
*/
/** \file
* \ingroup bke
*/
#include <cstring>
#include "DNA_ID.h"
#include "DNA_asset_types.h"
#include "DNA_defaults.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
#include "BLI_string_utils.h"
#include "BLI_utildefines.h"
#include "BKE_asset.h"
#include "BKE_icons.h"
#include "BKE_idprop.h"
#include "BLO_read_write.h"
#include "MEM_guardedalloc.h"
AssetMetaData *BKE_asset_metadata_create(void)
{
AssetMetaData *asset_data = (AssetMetaData *)MEM_callocN(sizeof(*asset_data), __func__);
memcpy(asset_data, DNA_struct_default_get(AssetMetaData), sizeof(*asset_data));
return asset_data;
}
void BKE_asset_metadata_free(AssetMetaData **asset_data)
{
if ((*asset_data)->properties) {
IDP_FreeProperty((*asset_data)->properties);
}
MEM_SAFE_FREE((*asset_data)->description);
BLI_freelistN(&(*asset_data)->tags);
MEM_SAFE_FREE(*asset_data);
}
static AssetTag *asset_metadata_tag_add(AssetMetaData *asset_data, const char *const name)
{
AssetTag *tag = (AssetTag *)MEM_callocN(sizeof(*tag), __func__);
BLI_strncpy(tag->name, name, sizeof(tag->name));
BLI_addtail(&asset_data->tags, tag);
asset_data->tot_tags++;
/* Invariant! */
BLI_assert(BLI_listbase_count(&asset_data->tags) == asset_data->tot_tags);
return tag;
}
AssetTag *BKE_asset_metadata_tag_add(AssetMetaData *asset_data, const char *name)
{
AssetTag *tag = asset_metadata_tag_add(asset_data, name);
BLI_uniquename(&asset_data->tags, tag, name, '.', offsetof(AssetTag, name), sizeof(tag->name));
return tag;
}
/**
* Make sure there is a tag with name \a name, create one if needed.
*/
struct AssetTagEnsureResult BKE_asset_metadata_tag_ensure(AssetMetaData *asset_data,
const char *name)
{
struct AssetTagEnsureResult result = {nullptr};
if (!name[0]) {
return result;
}
AssetTag *tag = (AssetTag *)BLI_findstring(&asset_data->tags, name, offsetof(AssetTag, name));
if (tag) {
result.tag = tag;
result.is_new = false;
return result;
}
tag = asset_metadata_tag_add(asset_data, name);
result.tag = tag;
result.is_new = true;
return result;
}
void BKE_asset_metadata_tag_remove(AssetMetaData *asset_data, AssetTag *tag)
{
BLI_assert(BLI_findindex(&asset_data->tags, tag) >= 0);
BLI_freelinkN(&asset_data->tags, tag);
asset_data->tot_tags--;
/* Invariant! */
BLI_assert(BLI_listbase_count(&asset_data->tags) == asset_data->tot_tags);
}
/* Queries -------------------------------------------- */
PreviewImage *BKE_asset_metadata_preview_get_from_id(const AssetMetaData *UNUSED(asset_data),
const ID *id)
{
return BKE_previewimg_id_get(id);
}
/* .blend file API -------------------------------------------- */
void BKE_asset_metadata_write(BlendWriter *writer, AssetMetaData *asset_data)
{
BLO_write_struct(writer, AssetMetaData, asset_data);
if (asset_data->properties) {
IDP_BlendWrite(writer, asset_data->properties);
}
if (asset_data->description) {
BLO_write_string(writer, asset_data->description);
}
LISTBASE_FOREACH (AssetTag *, tag, &asset_data->tags) {
BLO_write_struct(writer, AssetTag, tag);
}
}
void BKE_asset_metadata_read(BlendDataReader *reader, AssetMetaData *asset_data)
{
/* asset_data itself has been read already. */
if (asset_data->properties) {
BLO_read_data_address(reader, &asset_data->properties);
IDP_BlendDataRead(reader, &asset_data->properties);
}
BLO_read_data_address(reader, &asset_data->description);
BLO_read_list(reader, &asset_data->tags);
BLI_assert(BLI_listbase_count(&asset_data->tags) == asset_data->tot_tags);
}
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