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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSTRINGMATCHER_H
#define QSTRINGMATCHER_H

#include <QtCore/qstring.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QStringMatcherPrivate;

class Q_CORE_EXPORT QStringMatcher
{
public:
    QStringMatcher();
    QStringMatcher(const QString &pattern,
                   Qt::CaseSensitivity cs = Qt::CaseSensitive);
    QStringMatcher(const QChar *uc, int len,
                   Qt::CaseSensitivity cs = Qt::CaseSensitive);
    QStringMatcher(const QStringMatcher &other);
    ~QStringMatcher();

    QStringMatcher &operator=(const QStringMatcher &other);

    void setPattern(const QString &pattern);
    void setCaseSensitivity(Qt::CaseSensitivity cs);

    int indexIn(const QString &str, int from = 0) const;
    int indexIn(const QChar *str, int length, int from = 0) const;
    QString pattern() const;
    inline Qt::CaseSensitivity caseSensitivity() const { return q_cs; }

private:
    QStringMatcherPrivate *d_ptr;
    QString q_pattern;
    Qt::CaseSensitivity q_cs;
#ifdef Q_CC_RVCT
// explicitely allow anonymous unions for RVCT to prevent compiler warnings
#pragma anon_unions
#endif
    struct Data {
        uchar q_skiptable[256];
        const QChar *uc;
        int len;
    };
    union {
        uint q_data[256];
        Data p;
    };
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QSTRINGMATCHER_H