/****************************************************************************
**
** Copyright (C) 2001-2004 Roberto Raggi
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the qt3to4 porting application of the Qt Toolkit.
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****************************************************************************/

#ifndef TOKENIZER_H
#define TOKENIZER_H

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

QT_BEGIN_NAMESPACE

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;
};

QT_END_NAMESPACE

#endif