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https://github.com/qbittorrent/qBittorrent.git
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e74b587420
According to https://doc.qt.io/qt-6/qcollator.html#posix-fallback-implementation The 'POSIX fallback implementation' is only used when ICU is not available. So the correct way is to detect ICU directly and not depend on the OS. The exceptions are macOS and Windows since they support the required functionalities natively. Closes #20205. PR #20207.
96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/*
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* Bittorrent Client using Qt and libtorrent.
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* Copyright (C) 2021 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 <Qt>
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#include <QtGlobal>
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// for QT_FEATURE_xxx, see: https://wiki.qt.io/Qt5_Build_System#How_to
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#include <QtCore/private/qtcore-config_p.h>
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// macOS and Windows support 'case sensitivity' and 'numeric mode' natively
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// https://github.com/qt/qtbase/blob/6.0/src/corelib/CMakeLists.txt#L777-L793
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// https://github.com/qt/qtbase/blob/6.0/src/corelib/text/qcollator_macx.cpp#L74-L77
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// https://github.com/qt/qtbase/blob/6.0/src/corelib/text/qcollator_win.cpp#L72-L78
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#if ((QT_FEATURE_icu == 1) || defined(Q_OS_MACOS) || defined(Q_OS_WIN))
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#define QBT_USE_QCOLLATOR
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#include <QCollator>
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#endif
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class QString;
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namespace Utils::Compare
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{
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#ifdef QBT_USE_QCOLLATOR
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template <Qt::CaseSensitivity caseSensitivity>
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class NaturalCompare
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{
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public:
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NaturalCompare()
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{
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m_collator.setNumericMode(true);
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m_collator.setCaseSensitivity(caseSensitivity);
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}
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int operator()(const QString &left, const QString &right) const
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{
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return m_collator.compare(left, right);
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}
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private:
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QCollator m_collator;
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};
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#else
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int naturalCompare(const QString &left, const QString &right, Qt::CaseSensitivity caseSensitivity);
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template <Qt::CaseSensitivity caseSensitivity>
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class NaturalCompare
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{
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public:
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int operator()(const QString &left, const QString &right) const
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{
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return naturalCompare(left, right, caseSensitivity);
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}
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};
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#endif
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template <Qt::CaseSensitivity caseSensitivity>
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class NaturalLessThan
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{
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public:
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bool operator()(const QString &left, const QString &right) const
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{
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return (m_comparator(left, right) < 0);
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}
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private:
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NaturalCompare<caseSensitivity> m_comparator;
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};
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}
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