/*
 * Copyright 2014, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef _DATA_POSITION_IO_WRAPPER_H_
#define _DATA_POSITION_IO_WRAPPER_H_


#include <DataIO.h>


class BDataPositionIOWrapper : public BPositionIO {
public:
                                                                BDataPositionIOWrapper(BDataIO* io);
                                                                ~BDataPositionIOWrapper();

        virtual ssize_t                         Read(void* buffer, size_t size);
        virtual ssize_t                         Write(const void* buffer, size_t size);

        virtual ssize_t                         ReadAt(off_t position, void* buffer,
                                                                        size_t size);
        virtual ssize_t                         WriteAt(off_t position, const void* buffer,
                                                                        size_t size);

        virtual off_t                           Seek(off_t position, uint32 seekMode);
        virtual off_t                           Position() const;

        virtual status_t                        SetSize(off_t size);
        virtual status_t                        GetSize(off_t* size) const;

private:
                                BDataIO*                fIO;
                                off_t                   fPosition;
};


#endif  // _DATA_POSITION_IO_WRAPPER_H_