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tokenizer.h

/****************************************************************************
**
** Copyright (C) 2004-2007 Trolltech ASA. All rights reserved.
** Copyright (C) 2001-2004 Roberto Raggi
**
** This file is part of the qt3to4 porting application of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef TOKENIZER_H
#define TOKENIZER_H

#include "tokenengine.h"
#include <QVector>
#include <QByteArray>

class Tokenizer
{
public:
    Tokenizer();
    ~Tokenizer();
    typedef void (Tokenizer::*scan_fun_ptr)(int *kind);
    QVector<TokenEngine::Token> tokenize(QByteArray text);
private:
    bool nextToken(TokenEngine::Token &tok);

    void scanChar(int *kind);
    void scanUnicodeChar(int *kind);
    void scanNewline(int *kind);
    void scanWhiteSpaces(int *kind);
    void scanCharLiteral(int *kind);
    void scanStringLiteral(int *kind);
    void scanNumberLiteral(int *kind);
    void scanIdentifier(int *kind);
    void scanComment(int *kind);
    void scanPreprocessor(int *kind);
    void scanOperator(int *kind);

    void setupScanTable();
private:
    static bool s_initialized;
    static scan_fun_ptr s_scan_table[];
    static int s_attr_table[];

    const char *m_buffer;
    int m_ptr;

    QVector<TokenEngine::Token> m_tokens;
};

#endif

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