mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "TorrentHeader.hpp"
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#include "td/utils/tl_helpers.h"
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namespace ton {
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td::CSlice TorrentHeader::get_dir_name() const {
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return dir_name;
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}
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td::uint32 TorrentHeader::get_files_count() const {
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return files_count;
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}
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td::uint64 TorrentHeader::get_data_begin(td::uint64 file_i) const {
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return get_data_offset(file_i);
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}
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td::uint64 TorrentHeader::get_data_end(td::uint64 file_i) const {
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return get_data_offset(file_i + 1);
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}
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td::uint64 TorrentHeader::serialization_size() const {
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return td::tl_calc_length(*this);
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}
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td::uint64 TorrentHeader::get_data_offset(td::uint64 offset_i) const {
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td::uint64 res = serialization_size();
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if (offset_i > 0) {
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CHECK(offset_i <= files_count);
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res += data_index[offset_i - 1];
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}
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return res;
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}
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td::BufferSlice TorrentHeader::serialize() const {
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return td::BufferSlice(td::serialize(*this));
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}
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td::uint64 TorrentHeader::get_data_size(td::uint64 file_i) const {
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auto res = data_index[file_i];
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if (file_i > 0) {
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res -= data_index[file_i - 1];
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}
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return res;
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}
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td::Slice TorrentHeader::get_name(td::uint64 file_i) const {
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CHECK(file_i < files_count);
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auto from = file_i == 0 ? 0 : name_index[file_i - 1];
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auto till = name_index[file_i];
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return td::Slice(names).substr(from, till - from);
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}
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} // namespace ton
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