147 lines
4.8 KiB
C++
147 lines
4.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Aleix Pol Gonzalez <aleixpol@kde.org>
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qcollator_p.h"
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#include "qlocale_p.h"
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#include "qstringlist.h"
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#include "qstring.h"
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#include <QtCore/private/qcore_mac_p.h>
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#include <CoreFoundation/CoreFoundation.h>
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#include <CoreFoundation/CFLocale.h>
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#include <cstring>
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#include <QDebug>
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QT_BEGIN_NAMESPACE
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void QCollatorPrivate::init()
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{
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cleanup();
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LocaleRef localeRef;
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int rc = LocaleRefFromLocaleString(QLocalePrivate::get(locale)->bcp47Name().constData(), &localeRef);
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if (rc != 0)
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qWarning("couldn't initialize the locale");
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UInt32 options = 0;
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if (caseSensitivity == Qt::CaseInsensitive)
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options |= kUCCollateCaseInsensitiveMask;
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if (numericMode)
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options |= kUCCollateDigitsAsNumberMask | kUCCollateDigitsOverrideMask;
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if (!ignorePunctuation)
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options |= kUCCollatePunctuationSignificantMask;
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OSStatus status = UCCreateCollator(
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localeRef,
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0,
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options,
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&collator
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);
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if (status != 0)
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qWarning("Couldn't initialize the collator");
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dirty = false;
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}
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void QCollatorPrivate::cleanup()
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{
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if (collator)
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UCDisposeCollator(&collator);
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collator = 0;
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}
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int QCollator::compare(const QChar *s1, int len1, const QChar *s2, int len2) const
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{
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if (d->dirty)
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d->init();
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SInt32 result;
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Boolean equivalent;
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UCCompareText(d->collator,
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reinterpret_cast<const UniChar *>(s1), len1,
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reinterpret_cast<const UniChar *>(s2), len2,
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&equivalent,
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&result);
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if (equivalent)
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return 0;
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return result < 0 ? -1 : 1;
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}
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int QCollator::compare(const QString &str1, const QString &str2) const
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{
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return compare(str1.constData(), str1.size(), str2.constData(), str2.size());
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}
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int QCollator::compare(const QStringRef &s1, const QStringRef &s2) const
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{
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return compare(s1.constData(), s1.size(), s2.constData(), s2.size());
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}
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QCollatorSortKey QCollator::sortKey(const QString &string) const
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{
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if (d->dirty)
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d->init();
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//Documentation recommends having it 5 times as big as the input
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QVector<UCCollationValue> ret(string.size() * 5);
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ItemCount actualSize;
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int status = UCGetCollationKey(d->collator, reinterpret_cast<const UniChar *>(string.constData()), string.count(),
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ret.size(), &actualSize, ret.data());
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ret.resize(actualSize+1);
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if (status == kUCOutputBufferTooSmall) {
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UCGetCollationKey(d->collator, reinterpret_cast<const UniChar *>(string.constData()), string.count(),
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ret.size(), &actualSize, ret.data());
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}
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ret[actualSize] = 0;
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return QCollatorSortKey(new QCollatorSortKeyPrivate(std::move(ret)));
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}
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int QCollatorSortKey::compare(const QCollatorSortKey &key) const
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{
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SInt32 order;
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UCCompareCollationKeys(d->m_key.data(), d->m_key.size(),
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key.d->m_key.data(), key.d->m_key.size(),
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0, &order);
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return order;
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}
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QT_END_NAMESPACE
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