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#ifndef _CRC32_HXX
#define _CRC32_HXX

#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/uno/RuntimeException.hpp>

namespace com { namespace sun { namespace star {
    namespace io { class XInputStream; }
} } }
class CRC32
{
protected:
    sal_uInt32 nCRC;
public:
    CRC32();
    ~CRC32();

    sal_Int32 SAL_CALL updateStream (::com::sun::star::uno::Reference < ::com::sun::star::io::XInputStream > & xStream)
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL updateSegment(const ::com::sun::star::uno::Sequence< sal_Int8 > &b, sal_Int32 off, sal_Int32 len)
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL update(const ::com::sun::star::uno::Sequence< sal_Int8 > &b)
        throw(::com::sun::star::uno::RuntimeException);
    sal_Int32 SAL_CALL getValue()
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL reset()
        throw(::com::sun::star::uno::RuntimeException);
};

#endif

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