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tdlib-fork/td/telegram/files/FileLocation.hpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// 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/files/FileLocation.h"
#include "td/telegram/files/FileType.h"
#include "td/telegram/net/DcId.h"
#include "td/utils/common.h"
#include "td/utils/tl_helpers.h"
#include "td/utils/Variant.h"
namespace td {
template <class StorerT>
void PartialRemoteFileLocation::store(StorerT &storer) const {
using td::store;
store(file_id_, storer);
store(part_count_, storer);
store(part_size_, storer);
store(ready_part_count_, storer);
store(is_big_, storer);
}
template <class ParserT>
void PartialRemoteFileLocation::parse(ParserT &parser) {
using td::parse;
parse(file_id_, parser);
parse(part_count_, parser);
parse(part_size_, parser);
parse(ready_part_count_, parser);
parse(is_big_, parser);
}
template <class StorerT>
void PhotoRemoteFileLocation::store(StorerT &storer) const {
using td::store;
store(id_, storer);
store(access_hash_, storer);
store(volume_id_, storer);
store(secret_, storer);
store(local_id_, storer);
}
template <class ParserT>
void PhotoRemoteFileLocation::parse(ParserT &parser) {
using td::parse;
parse(id_, parser);
parse(access_hash_, parser);
parse(volume_id_, parser);
parse(secret_, parser);
parse(local_id_, parser);
}
template <class StorerT>
void PhotoRemoteFileLocation::AsKey::store(StorerT &storer) const {
using td::store;
store(key.id_, storer);
store(key.volume_id_, storer);
store(key.local_id_, storer);
}
template <class StorerT>
void WebRemoteFileLocation::store(StorerT &storer) const {
using td::store;
store(url_, storer);
store(access_hash_, storer);
}
template <class ParserT>
void WebRemoteFileLocation::parse(ParserT &parser) {
using td::parse;
parse(url_, parser);
parse(access_hash_, parser);
}
template <class StorerT>
void WebRemoteFileLocation::AsKey::store(StorerT &storer) const {
td::store(key.url_, storer);
}
template <class StorerT>
void CommonRemoteFileLocation::store(StorerT &storer) const {
using td::store;
store(id_, storer);
store(access_hash_, storer);
}
template <class ParserT>
void CommonRemoteFileLocation::parse(ParserT &parser) {
using td::parse;
parse(id_, parser);
parse(access_hash_, parser);
}
template <class StorerT>
void CommonRemoteFileLocation::AsKey::store(StorerT &storer) const {
td::store(key.id_, storer);
}
template <class StorerT>
void FullRemoteFileLocation::store(StorerT &storer) const {
using ::td::store;
store(full_type(), storer);
store(dc_id_.get_value(), storer);
if (!file_reference_.empty()) {
store(file_reference_, storer);
}
variant_.visit([&](auto &&value) {
using td::store;
store(value, storer);
});
}
template <class ParserT>
void FullRemoteFileLocation::parse(ParserT &parser) {
using ::td::parse;
int32 raw_type;
parse(raw_type, parser);
web_location_flag_ = (raw_type & WEB_LOCATION_FLAG) != 0;
raw_type &= ~WEB_LOCATION_FLAG;
bool has_file_reference = (raw_type & FILE_REFERENCE_FLAG) != 0;
raw_type &= ~FILE_REFERENCE_FLAG;
if (raw_type < 0 || raw_type >= static_cast<int32>(FileType::Size)) {
return parser.set_error("Invalid FileType in FullRemoteFileLocation");
}
file_type_ = static_cast<FileType>(raw_type);
int32 dc_id_value;
parse(dc_id_value, parser);
dc_id_ = DcId::from_value(dc_id_value);
if (has_file_reference) {
parse(file_reference_, parser);
file_reference_.clear();
}
switch (location_type()) {
case LocationType::Web: {
variant_ = WebRemoteFileLocation();
return web().parse(parser);
}
case LocationType::Photo: {
variant_ = PhotoRemoteFileLocation();
return photo().parse(parser);
}
case LocationType::Common: {
variant_ = CommonRemoteFileLocation();
return common().parse(parser);
}
case LocationType::None: {
break;
}
}
parser.set_error("Invalid FileType in FullRemoteFileLocation");
}
template <class StorerT>
void FullRemoteFileLocation::AsKey::store(StorerT &storer) const {
using td::store;
store(key.key_type(), storer);
key.variant_.visit([&](auto &&value) {
using td::store;
store(value.as_key(), storer);
});
}
template <class StorerT>
void RemoteFileLocation::store(StorerT &storer) const {
storer.store_int(variant_.get_offset());
bool ok{false};
variant_.visit([&](auto &&value) {
using td::store;
store(value, storer);
ok = true;
});
CHECK(ok);
}
template <class ParserT>
void RemoteFileLocation::parse(ParserT &parser) {
auto type = static_cast<Type>(parser.fetch_int());
switch (type) {
case Type::Empty:
variant_ = EmptyRemoteFileLocation();
return;
case Type::Partial:
variant_ = PartialRemoteFileLocation();
return partial().parse(parser);
case Type::Full:
variant_ = FullRemoteFileLocation();
return full().parse(parser);
}
parser.set_error("Invalid type in RemoteFileLocation");
}
template <class StorerT>
void PartialLocalFileLocation::store(StorerT &storer) const {
using td::store;
store(file_type_, storer);
store(path_, storer);
store(part_size_, storer);
int32 deprecated_ready_part_count = -1;
store(deprecated_ready_part_count, storer);
store(iv_, storer);
store(ready_bitmask_, storer);
}
template <class ParserT>
void PartialLocalFileLocation::parse(ParserT &parser) {
using td::parse;
parse(file_type_, parser);
if (file_type_ < FileType::Thumbnail || file_type_ >= FileType::Size) {
return parser.set_error("Invalid type in PartialLocalFileLocation");
}
parse(path_, parser);
parse(part_size_, parser);
int32 deprecated_ready_part_count;
parse(deprecated_ready_part_count, parser);
parse(iv_, parser);
if (deprecated_ready_part_count == -1) {
parse(ready_bitmask_, parser);
} else {
CHECK(0 <= deprecated_ready_part_count);
CHECK(deprecated_ready_part_count <= (1 << 22));
ready_bitmask_ = Bitmask(Bitmask::Ones{}, deprecated_ready_part_count).encode();
}
}
template <class StorerT>
void FullLocalFileLocation::store(StorerT &storer) const {
using td::store;
store(file_type_, storer);
store(mtime_nsec_, storer);
store(path_, storer);
}
template <class ParserT>
void FullLocalFileLocation::parse(ParserT &parser) {
using td::parse;
parse(file_type_, parser);
if (file_type_ < FileType::Thumbnail || file_type_ >= FileType::Size) {
return parser.set_error("Invalid type in FullLocalFileLocation");
}
parse(mtime_nsec_, parser);
parse(path_, parser);
}
template <class StorerT>
void PartialLocalFileLocationPtr::store(StorerT &storer) const {
td::store(*location_, storer);
}
template <class StorerT>
void LocalFileLocation::store(StorerT &storer) const {
using td::store;
store(variant_.get_offset(), storer);
variant_.visit([&](auto &&value) {
using td::store;
store(value, storer);
});
}
template <class ParserT>
void LocalFileLocation::parse(ParserT &parser) {
using td::parse;
auto type = static_cast<Type>(parser.fetch_int());
switch (type) {
case Type::Empty:
variant_ = EmptyLocalFileLocation();
return;
case Type::Partial:
variant_ = PartialLocalFileLocationPtr();
return parse(partial(), parser);
case Type::Full:
variant_ = FullLocalFileLocation();
return parse(full(), parser);
}
return parser.set_error("Invalid type in LocalFileLocation");
}
template <class StorerT>
void FullGenerateFileLocation::store(StorerT &storer) const {
using td::store;
store(file_type_, storer);
store(original_path_, storer);
store(conversion_, storer);
}
template <class ParserT>
void FullGenerateFileLocation::parse(ParserT &parser) {
using td::parse;
parse(file_type_, parser);
parse(original_path_, parser);
parse(conversion_, parser);
}
template <class StorerT>
void GenerateFileLocation::store(StorerT &storer) const {
td::store(type_, storer);
switch (type_) {
case Type::Empty:
return;
case Type::Full:
return td::store(full_, storer);
}
}
template <class ParserT>
void GenerateFileLocation::parse(ParserT &parser) {
td::parse(type_, parser);
switch (type_) {
case Type::Empty:
return;
case Type::Full:
return td::parse(full_, parser);
}
return parser.set_error("Invalid type in GenerateFileLocation");
}
} // namespace td