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https://github.com/qbittorrent/qBittorrent.git
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77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/*
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* Bittorrent Client using Qt and libtorrent.
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* Copyright (C) 2020 Mike Tzou (Chocobo1)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link this program with the OpenSSL project's "OpenSSL" library (or with
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* modified versions of it that use the same license as the "OpenSSL" library),
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* and distribute the linked executables. You must obey the GNU General Public
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* License in all respects for all of the code used other than "OpenSSL". If you
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* modify file(s), you may extend this exception to your version of the file(s),
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* but you are not obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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#pragma once
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#include <iterator>
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#include <memory>
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class QByteArray;
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class QFileDevice;
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namespace Utils::IO
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{
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// A wrapper class that satisfy LegacyOutputIterator requirement
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class FileDeviceOutputIterator
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{
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public:
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// std::iterator_traits
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using iterator_category = std::output_iterator_tag;
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using difference_type = void;
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using value_type = void;
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using pointer = void;
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using reference = void;
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explicit FileDeviceOutputIterator(QFileDevice &device, const int bufferSize = (4 * 1024));
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FileDeviceOutputIterator(const FileDeviceOutputIterator &other) = default;
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~FileDeviceOutputIterator();
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// mimic std::ostream_iterator behavior
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FileDeviceOutputIterator &operator=(char c);
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constexpr FileDeviceOutputIterator &operator*()
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{
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return *this;
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}
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constexpr FileDeviceOutputIterator &operator++()
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{
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return *this;
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}
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constexpr FileDeviceOutputIterator &operator++(int)
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{
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return *this;
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}
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private:
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QFileDevice *m_device;
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std::shared_ptr<QByteArray> m_buffer;
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int m_bufferSize;
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};
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}
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