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#ifndef SVTOOLS_INSTRM_HXX
#define SVTOOLS_INSTRM_HXX


#include <com/sun/star/uno/Reference.h>
#include <tools/stream.hxx>

namespace com { namespace sun { namespace star { namespace io {
    class XInputStream;
    class XSeekable;
} } } }

namespace binfilter
{

class SvDataPipe_Impl;

//============================================================================
class  SvInputStream: public SvStream
{
    com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
        m_xStream;
    com::sun::star::uno::Reference< com::sun::star::io::XSeekable >
        m_xSeekable;
    SvDataPipe_Impl * m_pPipe;
    ULONG m_nSeekedFrom;

     bool open();

     virtual ULONG GetData(void * pData, ULONG nSize);

     virtual ULONG PutData(void const *, ULONG);

     virtual ULONG SeekPos(ULONG nPos);

     virtual void FlushData();

     virtual void SetSize(ULONG);

public:
    SvInputStream(
        com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
                const &
            rTheStream);

    virtual ~SvInputStream();

    virtual USHORT IsA() const;

    virtual void AddMark(ULONG nPos);

    virtual void RemoveMark(ULONG nPos);
};

}

#endif // SVTOOLS_INSTRM_HXX

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