/*
    This file is part of the Okteta Kakao module, part of the KDE project.

    Copyright 2007 Friedrich W. H. Kossebau <kossebau@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) version 3, or any
    later version accepted by the membership of KDE e.V. (or its
    successor approved by the membership of KDE e.V.), which shall
    act as a proxy defined in Section 6 of version 3 of the license.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef PODDECODERTOOL_H
#define PODDECODERTOOL_H

// tool
#include "poddata.h"
// Qt
#include <QtCore/QObject>

class KAbstractView;
namespace KHEUI {
class KByteArrayView;
}
namespace KHECore {
class KAbstractByteArrayModel;
}

//TODO: remove if signal works again
class KPrimitiveTypesView;

class PODDecoderTool : public QObject
{
  Q_OBJECT

  public:
    // TODO: add PDP endianess
    enum ByteOrder
    {
        LittleEndianOrder = 0, // Intel, Alpha, ...
        BigEndianOrder =    1 // Sun, Motorola, ...
    };

    static const int MaxPODSize = sizeof(double);
    // ensure strict alignment for double as needed on some architectures (e.g. PA-RISC)
    typedef union { unsigned char Data[MaxPODSize]; double Dummy; } Aligned64Bit;

  public:
    PODDecoderTool();

  public:
    void setView( KAbstractView *view );
    //TODO: remove if signal works again
    void setPODView( KPrimitiveTypesView *view );

  public:
    PODData &podData();

  Q_SIGNALS:
    void dataChanged( const unsigned char *data );

  protected:
    void updateData();

  protected Q_SLOTS:
    void onCursorPositionChange( int pos );
    void onContentsChange( int start, int end );

  protected:
    KHEUI::KByteArrayView *mByteArrayView;
    KHECore::KAbstractByteArrayModel *mByteArrayModel;
    int mCursorIndex;

    //TODO: remove if signal works again
    KPrimitiveTypesView *mPODView;

    PODData mPODData;
};

#endif
