mirror of
https://github.com/qbittorrent/qBittorrent.git
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123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
/*
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* Bittorrent Client using Qt and libtorrent.
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* Copyright (C) 2023 Mike Tzou (Chocobo1)
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* Copyright (C) 2015 Vladimir Golovnev <glassez@yandex.ru>
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* Copyright (C) 2006 Christophe Dumez <chris@qbittorrent.org>
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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 <numeric>
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#include <optional>
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#include <QChar>
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#include <QMetaEnum>
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#include <QString>
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#include <QtContainerFwd>
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#include "base/concepts/explicitlyconvertibleto.h"
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#include "base/global.h"
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namespace Utils::String
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{
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QString wildcardToRegexPattern(const QString &pattern);
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template <typename T>
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T unquote(const T &str, const QString "es = u"\""_s)
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{
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if (str.length() < 2) return str;
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for (const QChar quote : quotes)
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{
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if (str.startsWith(quote) && str.endsWith(quote))
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return str.mid(1, (str.length() - 2));
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}
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return str;
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}
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std::optional<bool> parseBool(const QString &string);
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std::optional<int> parseInt(const QString &string);
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std::optional<double> parseDouble(const QString &string);
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QStringList splitCommand(const QString &command);
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QString fromDouble(double n, int precision);
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template <typename Container>
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QString joinIntoString(const Container &container, const QString &separator)
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requires ExplicitlyConvertibleTo<typename Container::value_type, QString>
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{
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auto iter = container.cbegin();
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const auto end = container.cend();
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if (iter == end)
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return {};
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const qsizetype totalLength = std::accumulate(iter, end, (separator.size() * (container.size() - 1))
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, [](const qsizetype total, const typename Container::value_type &value)
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{
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return total + QString(value).size();
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});
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QString ret;
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ret.reserve(totalLength);
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ret.append(QString(*iter));
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++iter;
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while (iter != end)
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{
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ret.append(separator + QString(*iter));
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++iter;
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}
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return ret;
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}
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template <typename T>
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QString fromEnum(const T &value)
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requires std::is_enum_v<T>
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{
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static_assert(std::is_same_v<int, typename std::underlying_type_t<T>>,
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"Enumeration underlying type has to be int.");
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const auto metaEnum = QMetaEnum::fromType<T>();
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return QString::fromLatin1(metaEnum.valueToKey(static_cast<int>(value)));
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}
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template <typename T>
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T toEnum(const QString &serializedValue, const T &defaultValue)
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requires std::is_enum_v<T>
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{
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static_assert(std::is_same_v<int, typename std::underlying_type_t<T>>,
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"Enumeration underlying type has to be int.");
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const auto metaEnum = QMetaEnum::fromType<T>();
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bool ok = false;
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const T value = static_cast<T>(metaEnum.keyToValue(serializedValue.toLatin1().constData(), &ok));
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return (ok ? value : defaultValue);
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}
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}
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