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/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: ZipOutputStream.hxx,v $
 *
 *  $Revision: 1.23 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 15:59:00 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/
#ifndef _ZIP_OUTPUT_STREAM_HXX
#define _ZIP_OUTPUT_STREAM_HXX

#ifndef _BYTE_CHUCKER_HXX_
#include <ByteChucker.hxx>
#endif
#ifndef _DEFLATER_HXX
#include <Deflater.hxx>
#endif
#ifndef _CRC32_HXX
#include <CRC32.hxx>
#endif
#ifndef _RTL_CIPHER_H_
#include <rtl/cipher.h>
#endif
#ifndef RTL_DIGEST_H_
#include <rtl/digest.h>
#endif

#include <vector>

struct ZipEntry;
class EncryptionData;
namespace vos
{
    template < class T > class ORef;
}
class ZipOutputStream
{
protected:
    com::sun::star::uno::Reference < com::sun::star::io::XOutputStream > xStream;
    ::std::vector < ZipEntry * >            aZipList;
    com::sun::star::uno::Sequence < sal_Int8 > aBuffer, aEncryptionBuffer;
    ::rtl::OUString     sComment;
    Deflater            aDeflater;
    rtlCipher           aCipher;
    rtlDigest           aDigest;
    CRC32               aCRC;
    ByteChucker         aChucker;
    ZipEntry            *pCurrentEntry;
    sal_Int16           nMethod, nLevel, mnDigested;
    sal_Bool            bFinished, bEncryptCurrentEntry;
    EncryptionData      *pCurrentEncryptData;

public:
    ZipOutputStream( com::sun::star::uno::Reference < com::sun::star::io::XOutputStream > &xOStream );
    ~ZipOutputStream();

    // rawWrite to support a direct write to the output stream
    void SAL_CALL rawWrite( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL rawCloseEntry(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);

    // XZipOutputStream interfaces
    void SAL_CALL setComment( const ::rtl::OUString& rComment )
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL setMethod( sal_Int32 nNewMethod )
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL setLevel( sal_Int32 nNewLevel )
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL putNextEntry( ZipEntry& rEntry,
            vos::ORef < EncryptionData > &rData,
            sal_Bool bEncrypt = sal_False )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL closeEntry(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL write( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL finish(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL close(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    static sal_uInt32 getCurrentDosTime ( );
protected:
    void doDeflate();
    void writeEND(sal_uInt32 nOffset, sal_uInt32 nLength)
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void writeCEN( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void writeEXT( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    sal_Int32 writeLOC( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
};

#endif