mirror of
https://github.com/qbittorrent/qBittorrent.git
synced 2025-01-07 15:47:25 +03:00
e6f07a6fe4
This also suppresses the following clang warning: warning: definition of implicit copy assignment operator for 'Version<unsigned short, 2>' is deprecated because it has a user-declared copy constructor [-Wdeprecated-copy]
120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
/*
|
|
* Bittorrent Client using Qt and libtorrent.
|
|
* Copyright (C) 2015, 2021 Vladimir Golovnev <glassez@yandex.ru>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* In addition, as a special exception, the copyright holders give permission to
|
|
* link this program with the OpenSSL project's "OpenSSL" library (or with
|
|
* modified versions of it that use the same license as the "OpenSSL" library),
|
|
* and distribute the linked executables. You must obey the GNU General Public
|
|
* License in all respects for all of the code used other than "OpenSSL". If you
|
|
* modify file(s), you may extend this exception to your version of the file(s),
|
|
* but you are not obligated to do so. If you do not wish to do so, delete this
|
|
* exception statement from your version.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libtorrent/sha1_hash.hpp>
|
|
|
|
#include <QByteArray>
|
|
#include <QHash>
|
|
#include <QString>
|
|
|
|
template <int N>
|
|
class Digest32
|
|
{
|
|
public:
|
|
using UnderlyingType = lt::digest32<N>;
|
|
|
|
Digest32() = default;
|
|
|
|
Digest32(const UnderlyingType &nativeDigest)
|
|
: m_valid {true}
|
|
, m_nativeDigest {nativeDigest}
|
|
{
|
|
const QByteArray raw = QByteArray::fromRawData(nativeDigest.data(), length());
|
|
m_hashString = QString::fromLatin1(raw.toHex());
|
|
}
|
|
|
|
static constexpr int length()
|
|
{
|
|
return UnderlyingType::size();
|
|
}
|
|
|
|
bool isValid() const
|
|
{
|
|
return m_valid;
|
|
}
|
|
|
|
operator UnderlyingType() const
|
|
{
|
|
return m_nativeDigest;
|
|
}
|
|
|
|
static Digest32 fromString(const QString &digestString)
|
|
{
|
|
if (digestString.size() != (length() * 2))
|
|
return {};
|
|
|
|
const QByteArray raw = QByteArray::fromHex(digestString.toLatin1());
|
|
if (raw.size() != length()) // QByteArray::fromHex() will skip over invalid characters
|
|
return {};
|
|
|
|
Digest32 result;
|
|
result.m_valid = true;
|
|
result.m_hashString = digestString;
|
|
result.m_nativeDigest.assign(raw.constData());
|
|
|
|
return result;
|
|
}
|
|
|
|
QString toString() const
|
|
{
|
|
return m_hashString;
|
|
}
|
|
|
|
private:
|
|
bool m_valid = false;
|
|
UnderlyingType m_nativeDigest;
|
|
QString m_hashString;
|
|
};
|
|
|
|
template <int N>
|
|
bool operator==(const Digest32<N> &left, const Digest32<N> &right)
|
|
{
|
|
return (static_cast<typename Digest32<N>::UnderlyingType>(left)
|
|
== static_cast<typename Digest32<N>::UnderlyingType>(right));
|
|
}
|
|
|
|
template <int N>
|
|
bool operator!=(const Digest32<N> &left, const Digest32<N> &right)
|
|
{
|
|
return !(left == right);
|
|
}
|
|
|
|
template <int N>
|
|
bool operator<(const Digest32<N> &left, const Digest32<N> &right)
|
|
{
|
|
return static_cast<typename Digest32<N>::UnderlyingType>(left)
|
|
< static_cast<typename Digest32<N>::UnderlyingType>(right);
|
|
}
|
|
|
|
template <int N>
|
|
uint qHash(const Digest32<N> &key, const uint seed)
|
|
{
|
|
return ::qHash(std::hash<typename Digest32<N>::UnderlyingType>()(key), seed);
|
|
}
|