tdlight/td/telegram/DocumentsManager.hpp
2023-02-21 14:58:52 +03:00

88 lines
2.5 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/telegram/DocumentsManager.h"
#include "td/telegram/files/FileId.hpp"
#include "td/telegram/PhotoSize.hpp"
#include "td/telegram/Version.h"
#include "td/utils/tl_helpers.h"
namespace td {
template <class StorerT>
void DocumentsManager::store_document(FileId file_id, StorerT &storer) const {
const GeneralDocument *document = get_document(file_id);
CHECK(document != nullptr);
bool has_file_name = !document->file_name.empty();
bool has_mime_type = !document->mime_type.empty();
bool has_minithumbnail = !document->minithumbnail.empty();
bool has_thumbnail = document->thumbnail.file_id.is_valid();
BEGIN_STORE_FLAGS();
STORE_FLAG(has_file_name);
STORE_FLAG(has_mime_type);
STORE_FLAG(has_minithumbnail);
STORE_FLAG(has_thumbnail);
END_STORE_FLAGS();
if (has_file_name) {
store(document->file_name, storer);
}
if (has_mime_type) {
store(document->mime_type, storer);
}
if (has_minithumbnail) {
store(document->minithumbnail, storer);
}
if (has_thumbnail) {
store(document->thumbnail, storer);
}
store(file_id, storer);
}
template <class ParserT>
FileId DocumentsManager::parse_document(ParserT &parser) {
auto document = make_unique<GeneralDocument>();
bool has_file_name;
bool has_mime_type;
bool has_minithumbnail;
bool has_thumbnail;
if (parser.version() >= static_cast<int32>(Version::AddDocumentFlags)) {
BEGIN_PARSE_FLAGS();
PARSE_FLAG(has_file_name);
PARSE_FLAG(has_mime_type);
PARSE_FLAG(has_minithumbnail);
PARSE_FLAG(has_thumbnail);
END_PARSE_FLAGS();
} else {
has_file_name = true;
has_mime_type = true;
has_minithumbnail = parser.version() >= static_cast<int32>(Version::SupportMinithumbnails);
has_thumbnail = true;
}
if (has_file_name) {
parse(document->file_name, parser);
}
if (has_mime_type) {
parse(document->mime_type, parser);
}
if (has_minithumbnail) {
parse(document->minithumbnail, parser);
}
if (has_thumbnail) {
parse(document->thumbnail, parser);
}
parse(document->file_id, parser);
if (parser.get_error() != nullptr || !document->file_id.is_valid()) {
return FileId();
}
return on_get_document(std::move(document), false);
}
} // namespace td