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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights.  These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QUTFCODEC_P_H
#define QUTFCODEC_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "QtCore/qtextcodec.h"

QT_BEGIN_NAMESPACE

#ifndef QT_NO_TEXTCODEC

class QUtf8Codec : public QTextCodec {
public:
    ~QUtf8Codec();

    QByteArray name() const;
    int mibEnum() const;

    QString convertToUnicode(const char *, int, ConverterState *) const;
    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;
    void convertToUnicode(QString *target, const char *, int, ConverterState *) const;
};

class QUtf16Codec : public QTextCodec {
protected:
    enum Endianness {
        Detect,
        BE,
        LE
    };
public:
    QUtf16Codec() { e = Detect; }
    ~QUtf16Codec();

    QByteArray name() const;
    QList<QByteArray> aliases() const;
    int mibEnum() const;

    QString convertToUnicode(const char *, int, ConverterState *) const;
    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;

protected:
    Endianness e;
};

class QUtf16BECodec : public QUtf16Codec {
public:
    QUtf16BECodec() : QUtf16Codec() { e = BE; }
    QByteArray name() const;
    QList<QByteArray> aliases() const;
    int mibEnum() const;
};

class QUtf16LECodec : public QUtf16Codec {
public:
    QUtf16LECodec() : QUtf16Codec() { e = LE; }
    QByteArray name() const;
    QList<QByteArray> aliases() const;
    int mibEnum() const;
};

class QUtf32Codec : public QTextCodec {
protected:
    enum Endianness {
        Detect,
        BE,
        LE
    };
public:
    QUtf32Codec() { e = Detect; }
    ~QUtf32Codec();

    QByteArray name() const;
    QList<QByteArray> aliases() const;
    int mibEnum() const;

    QString convertToUnicode(const char *, int, ConverterState *) const;
    QByteArray convertFromUnicode(const QChar *, int, ConverterState *) const;

protected:
    Endianness e;
};

class QUtf32BECodec : public QUtf32Codec {
public:
    QUtf32BECodec() : QUtf32Codec() { e = BE; }
    QByteArray name() const;
    QList<QByteArray> aliases() const;
    int mibEnum() const;
};

class QUtf32LECodec : public QUtf32Codec {
public:
    QUtf32LECodec() : QUtf32Codec() { e = LE; }
    QByteArray name() const;
    QList<QByteArray> aliases() const;
    int mibEnum() const;
};


#endif // QT_NO_TEXTCODEC

QT_END_NAMESPACE

#endif // QUTFCODEC_P_H