| /**************************************************************************** |
| ** |
| ** Copyright (C) 2013 Aleix Pol Gonzalez <aleixpol@kde.org> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
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| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qcollator_p.h" |
| #include "qlocale_p.h" |
| #include "qstringlist.h" |
| #include "qstring.h" |
| |
| #include <QtCore/private/qcore_mac_p.h> |
| |
| #include <CoreFoundation/CoreFoundation.h> |
| #include <CoreFoundation/CFLocale.h> |
| |
| #include <cstring> |
| #include <QDebug> |
| |
| QT_BEGIN_NAMESPACE |
| |
| void QCollatorPrivate::init() |
| { |
| cleanup(); |
| /* |
| LocaleRefFromLocaleString() will accept "POSIX" as the locale name, but |
| the locale it produces (named "pos") doesn't implement the [A-Z] < [a-z] |
| behavior we expect of the C locale. We can use QStringView to get round |
| that for collation, but this leaves no way to do a sort key. |
| */ |
| if (isC()) |
| return; |
| |
| LocaleRef localeRef; |
| OSStatus status = |
| LocaleRefFromLocaleString(QLocalePrivate::get(locale)->bcp47Name().constData(), &localeRef); |
| if (status != 0) |
| qWarning("Couldn't initialize the locale (%d)", int(status)); |
| |
| UInt32 options = 0; |
| if (caseSensitivity == Qt::CaseInsensitive) |
| options |= kUCCollateCaseInsensitiveMask; |
| if (numericMode) |
| options |= kUCCollateDigitsAsNumberMask | kUCCollateDigitsOverrideMask; |
| if (!ignorePunctuation) |
| options |= kUCCollatePunctuationSignificantMask; |
| |
| status = UCCreateCollator(localeRef, 0, options, &collator); |
| if (status != 0) |
| qWarning("Couldn't initialize the collator (%d)", int(status)); |
| |
| dirty = false; |
| } |
| |
| void QCollatorPrivate::cleanup() |
| { |
| if (collator) |
| UCDisposeCollator(&collator); |
| collator = 0; |
| } |
| |
| int QCollator::compare(QStringView s1, QStringView s2) const |
| { |
| if (d->dirty) |
| d->init(); |
| if (!d->collator) |
| return s1.compare(s2, caseSensitivity()); |
| |
| SInt32 result; |
| Boolean equivalent; |
| UCCompareText(d->collator, |
| reinterpret_cast<const UniChar *>(s1.data()), s1.size(), |
| reinterpret_cast<const UniChar *>(s2.data()), s2.size(), |
| &equivalent, |
| &result); |
| if (equivalent) |
| return 0; |
| return result < 0 ? -1 : 1; |
| } |
| |
| QCollatorSortKey QCollator::sortKey(const QString &string) const |
| { |
| if (d->dirty) |
| d->init(); |
| if (!d->collator) { |
| // What should (or even *can*) we do here ? (See init()'s comment.) |
| qWarning("QCollator doesn't support sort keys for the C locale on Darwin"); |
| return QCollatorSortKey(nullptr); |
| } |
| |
| //Documentation recommends having it 5 times as big as the input |
| QVector<UCCollationValue> ret(string.size() * 5); |
| ItemCount actualSize; |
| int status = UCGetCollationKey(d->collator, |
| reinterpret_cast<const UniChar *>(string.constData()), |
| string.count(), ret.size(), &actualSize, ret.data()); |
| |
| ret.resize(actualSize + 1); |
| if (status == kUCOutputBufferTooSmall) { |
| UCGetCollationKey(d->collator, reinterpret_cast<const UniChar *>(string.constData()), |
| string.count(), ret.size(), &actualSize, ret.data()); |
| } |
| ret[actualSize] = 0; |
| return QCollatorSortKey(new QCollatorSortKeyPrivate(std::move(ret))); |
| } |
| |
| int QCollatorSortKey::compare(const QCollatorSortKey &key) const |
| { |
| if (!d.data()) |
| return 0; |
| |
| SInt32 order; |
| UCCompareCollationKeys(d->m_key.data(), d->m_key.size(), |
| key.d->m_key.data(), key.d->m_key.size(), |
| 0, &order); |
| return order; |
| } |
| |
| QT_END_NAMESPACE |