/****************************************************************************

**

** Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team.

** All rights reserved.

**

** Portion Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

**

** 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.

**

****************************************************************************/

#ifndef QTOKENIZER_P_H

#define QTOKENIZER_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. It exists for the convenience

// of the help generator tools. This header file may change from version

// to version without notice, or even be removed.

//

// We mean it.

//

#include "qtoken_p.h"

#include "qreader_p.h"

#include "qtokenstream_p.h"

#include "qclucene_global_p.h"

#include <QtCore/QChar>

#include <QtCore/QString>

QT_BEGIN_NAMESPACE

class QHELP_EXPORT QCLuceneTokenizer : public QCLuceneTokenStream

{

public:

    QCLuceneTokenizer(const QCLuceneReader &reader);

    virtual ~QCLuceneTokenizer();

    void close();

    bool next(QCLuceneToken &token);

protected:

    friend class QCLuceneStandardTokenizer;

private:

    QCLuceneTokenizer();

    QCLuceneReader reader;

};

class QHELP_EXPORT QCLuceneStandardTokenizer : public QCLuceneTokenizer

{

public:

    QCLuceneStandardTokenizer(const QCLuceneReader &reader);

    ~QCLuceneStandardTokenizer();

    bool readApostrophe(const QString &string, QCLuceneToken &token);

    bool readAt(const QString &string, QCLuceneToken &token);

    bool readCompany(const QString &string, QCLuceneToken &token);

};

class QCLuceneCharTokenizer : public QCLuceneTokenizer

{

};

class QCLuceneLetterTokenizer : public QCLuceneCharTokenizer

{

};

class QCLuceneLowerCaseTokenizer : public QCLuceneLetterTokenizer

{

};

class QCLuceneWhitespaceTokenizer : public QCLuceneCharTokenizer

{

};

class QCLuceneKeywordTokenizer : public QCLuceneTokenizer

{

};

QT_END_NAMESPACE

#endif  // QTOKENIZER_P_H