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Diffstat (limited to 'src/corelib/text/qcollator_macx.cpp')
-rw-r--r-- | src/corelib/text/qcollator_macx.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/corelib/text/qcollator_macx.cpp b/src/corelib/text/qcollator_macx.cpp new file mode 100644 index 0000000000..071d7c048f --- /dev/null +++ b/src/corelib/text/qcollator_macx.cpp @@ -0,0 +1,152 @@ +/**************************************************************************** +** +** 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 +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** 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 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |