/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: CRC32.hxx,v $
 * $Revision: 1.12 $
 *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
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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 updateByte (sal_Int8 nByte)
        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