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This is the verbatim text of the qgb18030codec.h include file. It is provided only for illustration; the copyright remains with Trolltech.

---

/****************************************************************************
** $Id$
**
** Definition of QGb18030Codec class
**
** Copyright (C) 1992-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
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** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
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**********************************************************************/

// Contributed by James Su <suzhe@gnuchina.org>

#ifndef QGB18030CODEC_H
#define QGB18030CODEC_H

#ifndef QT_H
#include "qglobal.h"
#include "qtextcodec.h"
#endif // QT_H


#ifndef QT_NO_BIG_CODECS

#if defined(QT_PLUGIN)
#define Q_EXPORT_CODECS_CN
#else
#define Q_EXPORT_CODECS_CN Q_EXPORT
#endif

class Q_EXPORT_CODECS_CN QGb18030Codec : public QTextCodec {
public:
    QGb18030Codec();

    int mibEnum() const;
    const char* name() const;

    QTextDecoder* makeDecoder() const;

    QCString fromUnicode(const QString& uc, int& len_in_out) const;
    QString toUnicode(const char* chars, int len) const;

    int heuristicContentMatch(const char* chars, int len) const;
    int heuristicNameMatch(const char* hint) const;
};

class Q_EXPORT_CODECS_CN QGbkCodec : public QGb18030Codec {
public:
    QGbkCodec();

    int mibEnum() const;
    const char* name() const;
    const char* mimeName() const;

    QTextDecoder* makeDecoder() const;

    QCString fromUnicode(const QString& uc, int& len_in_out) const;
    QString toUnicode(const char* chars, int len) const;

    int heuristicContentMatch(const char* chars, int len) const;
    int heuristicNameMatch(const char* hint) const;
};

#endif
#endif