119 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
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| the official desktop version of Telegram messaging app, see https://telegram.org
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| 
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| Telegram Desktop is free software: you can redistribute it and/or modify
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| it under the terms of the GNU General Public License as published by
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| the Free Software Foundation, either version 3 of the License, or
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| (at your option) any later version.
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| 
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| It 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 General Public License for more details.
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| 
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| In addition, as a special exception, the copyright holders give permission
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| to link the code of portions of this program with the OpenSSL library.
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| 
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| Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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| Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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| */
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| #pragma once
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| 
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| #include "ui/images.h"
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| #include "mtproto/auth_key.h"
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| 
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| namespace Serialize {
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| 
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| inline int stringSize(const QString &str) {
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| 	return sizeof(quint32) + str.size() * sizeof(ushort);
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| }
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| 
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| inline int bytearraySize(const QByteArray &arr) {
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| 	return sizeof(quint32) + arr.size();
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| }
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| 
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| inline int bytesSize(base::const_byte_span bytes) {
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| 	return sizeof(quint32) + bytes.size();
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| }
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| 
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| struct ReadBytesVectorWrap {
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| 	base::byte_vector &bytes;
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| };
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| 
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| inline ReadBytesVectorWrap bytes(base::byte_vector &bytes) {
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| 	return ReadBytesVectorWrap { bytes };
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| }
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| 
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| // Compatible with QDataStream &operator>>(QDataStream &, QByteArray &);
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| inline QDataStream &operator>>(QDataStream &stream, ReadBytesVectorWrap data) {
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| 	auto &bytes = data.bytes;
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| 	bytes.clear();
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| 	quint32 len;
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| 	stream >> len;
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| 	if (stream.status() != QDataStream::Ok || len == 0xFFFFFFFF) {
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| 		return stream;
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| 	}
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| 
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| 	constexpr auto kStep = quint32(1024 * 1024);
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| 	for (auto allocated = quint32(0); allocated < len;) {
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| 		auto blockSize = qMin(kStep, len - allocated);
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| 		bytes.resize(allocated + blockSize);
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| 		if (stream.readRawData(reinterpret_cast<char*>(bytes.data()) + allocated, blockSize) != blockSize) {
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| 			bytes.clear();
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| 			stream.setStatus(QDataStream::ReadPastEnd);
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| 			return stream;
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| 		}
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| 		allocated += blockSize;
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| 	}
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| 
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| 	return stream;
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| }
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| 
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| struct WriteBytesWrap {
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| 	base::const_byte_span bytes;
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| };
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| 
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| inline WriteBytesWrap bytes(base::const_byte_span bytes) {
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| 	return WriteBytesWrap { bytes };
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| }
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| 
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| inline QDataStream &operator<<(QDataStream &stream, WriteBytesWrap data) {
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| 	auto bytes = data.bytes;
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| 	if (bytes.empty()) {
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| 		stream << quint32(0xFFFFFFFF);
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| 	} else {
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| 		auto size = quint32(bytes.size());
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| 		stream << size;
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| 		stream.writeRawData(reinterpret_cast<const char*>(bytes.data()), size);
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| 	}
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| 	return stream;
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| }
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| 
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| inline QDataStream &operator<<(QDataStream &stream, ReadBytesVectorWrap data) {
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| 	return stream << WriteBytesWrap { data.bytes };
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| }
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| 
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| inline int dateTimeSize() {
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| 	return (sizeof(qint64) + sizeof(quint32) + sizeof(qint8));
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| }
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| 
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| void writeStorageImageLocation(QDataStream &stream, const StorageImageLocation &loc);
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| StorageImageLocation readStorageImageLocation(QDataStream &stream);
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| int storageImageLocationSize();
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| 
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| template <typename T>
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| inline T read(QDataStream &stream) {
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| 	auto result = T();
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| 	stream >> result;
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| 	return result;
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| }
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| 
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| template <>
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| inline MTP::AuthKey::Data read<MTP::AuthKey::Data>(QDataStream &stream) {
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| 	auto result = MTP::AuthKey::Data();
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| 	stream.readRawData(reinterpret_cast<char*>(result.data()), result.size());
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| 	return result;
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| }
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| 
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| } // namespace Serialize
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