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#ifndef SVTOOLS_STRMADPT_HXX
#define SVTOOLS_STRMADPT_HXX

#include "svl/svldllapi.h"
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <cppuhelper/weak.hxx>
#include <tools/stream.hxx>

//============================================================================
class SVL_DLLPUBLIC SvOutputStreamOpenLockBytes: public SvOpenLockBytes
{
    com::sun::star::uno::Reference< com::sun::star::io::XOutputStream >
        m_xOutputStream;
    sal_uInt32 m_nPosition;

public:
    TYPEINFO();

    SvOutputStreamOpenLockBytes(
            const com::sun::star::uno::Reference<
                      com::sun::star::io::XOutputStream > &
                rTheOutputStream):
        m_xOutputStream(rTheOutputStream), m_nPosition(0) {}

    virtual ErrCode ReadAt(sal_uLong, void *, sal_uLong, sal_uLong *) const;

    virtual ErrCode WriteAt(sal_uLong nPos, const void * pBuffer, sal_uLong nCount,
                            sal_uLong * pWritten);

    virtual ErrCode Flush() const;

    virtual ErrCode SetSize(sal_uLong);

    virtual ErrCode Stat(SvLockBytesStat * pStat, SvLockBytesStatFlag) const;

    virtual ErrCode FillAppend(const void * pBuffer, sal_uLong nCount,
                               sal_uLong * pWritten);

    virtual sal_uLong Tell() const;

    virtual sal_uLong Seek(sal_uLong);

    virtual void Terminate();
};

//============================================================================
class SVL_DLLPUBLIC SvLockBytesInputStream: public cppu::OWeakObject,
                              public com::sun::star::io::XInputStream,
                              public com::sun::star::io::XSeekable
{
    SvLockBytesRef m_xLockBytes;
    sal_Int64 m_nPosition;
    bool m_bDone;

public:
    SvLockBytesInputStream(SvLockBytes * pTheLockBytes):
        m_xLockBytes(pTheLockBytes), m_nPosition(0), m_bDone(false) {}

    virtual com::sun::star::uno::Any SAL_CALL
    queryInterface(const com::sun::star::uno::Type & rType)
        throw (com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL acquire() throw();

    virtual void SAL_CALL release() throw();

    virtual sal_Int32 SAL_CALL
    readBytes(com::sun::star::uno::Sequence< sal_Int8 > & rData,
              sal_Int32 nBytesToRead)
        throw (com::sun::star::io::IOException,
               com::sun::star::uno::RuntimeException);

    virtual sal_Int32 SAL_CALL
    readSomeBytes(com::sun::star::uno::Sequence< sal_Int8 > & rData,
                  sal_Int32 nMaxBytesToRead)
        throw (com::sun::star::io::IOException,
               com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip)
        throw (com::sun::star::io::IOException,
               com::sun::star::uno::RuntimeException);

    virtual sal_Int32 SAL_CALL available()
        throw (com::sun::star::io::IOException,
               com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL closeInput()
        throw (com::sun::star::io::IOException,
               com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL seek(sal_Int64 nLocation)
        throw (com::sun::star::lang::IllegalArgumentException,
               com::sun::star::io::IOException,
               com::sun::star::uno::RuntimeException);

    virtual sal_Int64 SAL_CALL getPosition()
        throw (com::sun::star::io::IOException,
               com::sun::star::uno::RuntimeException);

    virtual sal_Int64 SAL_CALL getLength()
        throw (com::sun::star::io::IOException,
               com::sun::star::uno::RuntimeException);
};

#endif // SVTOOLS_STRMADPT_HXX

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