122 lines
4.3 KiB
C++
122 lines
4.3 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 "qstringlist.h"
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#include "qstring.h"
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#include <cstring>
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#include <cwchar>
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QT_BEGIN_NAMESPACE
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void QCollatorPrivate::init()
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{
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if (locale != QLocale())
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qWarning("Only default locale supported with the posix collation implementation");
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if (caseSensitivity != Qt::CaseSensitive)
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qWarning("Case insensitive sorting unsupported in the posix collation implementation");
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if (numericMode)
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qWarning("Numeric mode unsupported in the posix collation implementation");
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if (ignorePunctuation)
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qWarning("Ignoring punctuation unsupported in the posix collation implementation");
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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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}
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static void stringToWCharArray(QVarLengthArray<wchar_t> &ret, const QString &string)
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{
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ret.resize(string.length());
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int len = string.toWCharArray(ret.data());
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ret.resize(len+1);
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ret[len] = 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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QVarLengthArray<wchar_t> array1, array2;
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stringToWCharArray(array1, QString(s1, len1));
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stringToWCharArray(array2, QString(s2, len2));
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return std::wcscoll(array1.constData(), array2.constData());
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}
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int QCollator::compare(const QString &s1, const QString &s2) const
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{
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QVarLengthArray<wchar_t> array1, array2;
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stringToWCharArray(array1, s1);
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stringToWCharArray(array2, s2);
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return std::wcscoll(array1.constData(), array2.constData());
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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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if (d->dirty)
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d->init();
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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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QVarLengthArray<wchar_t> original;
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stringToWCharArray(original, string);
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QVector<wchar_t> result(string.size());
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size_t size = std::wcsxfrm(result.data(), original.constData(), string.size());
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if (size > uint(result.size())) {
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result.resize(size+1);
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size = std::wcsxfrm(result.data(), original.constData(), string.size());
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}
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result.resize(size+1);
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result[size] = 0;
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return QCollatorSortKey(new QCollatorSortKeyPrivate(std::move(result)));
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}
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int QCollatorSortKey::compare(const QCollatorSortKey &otherKey) const
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{
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return std::wcscmp(d->m_key.constData(), otherKey.d->m_key.constData());
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}
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QT_END_NAMESPACE
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