/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
** Copyright (C) 2001-2004 Roberto Raggi
**
** This file is part of the qt3to4 porting application of the Qt Toolkit.
**
** Licensees holding valid Qt Preview licenses may use this file in
** accordance with the Qt Preview License Agreement provided with the
** Software.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** 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
