office-gobmx/package/source/zipapi/EntryInputStream.hxx

129 lines
5.8 KiB
C++

/*************************************************************************
*
* $RCSfile: EntryInputStream.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: mtg $ $Date: 2001-04-27 14:56:06 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 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
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): Martin Gallwey (gallwey@sun.com)
*
*
************************************************************************/
#ifndef _ENTRY_INPUT_STREAM_HXX
#define _ENTRY_INPUT_STREAM_HXX
#ifndef _CPPUHELPER_IMPLBASE2_HXX_
#include <cppuhelper/implbase2.hxx> // helper for implementations
#endif
#ifndef _COM_SUN_STAR_IO_XINPUTSTREAM_HPP_
#include <com/sun/star/io/XInputStream.hpp>
#endif
#ifndef _COM_SUN_STAR_IO_XSEEKABLE_HPP_
#include <com/sun/star/io/XSeekable.hpp>
#endif
#ifndef _INFLATER_HXX_
#include <Inflater.hxx>
#endif
#ifndef _COM_SUN_STAR_PACKAGES_ZIPENTRY_HPP_
#include <com/sun/star/packages/ZipEntry.hpp>
#endif
#ifndef _VOS_REF_H_
#include <vos/ref.hxx>
#endif
#ifndef _ENCRYPTION_DATA_HXX
#include <EncryptionData.hxx>
#endif
class EntryInputStream : public cppu::WeakImplHelper2< com::sun::star::io::XInputStream,
com::sun::star::io::XSeekable >
{
private:
com::sun::star::uno::Reference< com::sun::star::io::XInputStream > xStream;
com::sun::star::uno::Reference< com::sun::star::io::XSeekable > xSeek;
sal_Int64 nEnd, nCurrent;
sal_Bool bDeflated, bHaveInMemory, bEncrypted;
com::sun::star::uno::Sequence < sal_Int8 > aSequence, aBuffer;
const vos::ORef < EncryptionData > xEncryptionData;
const com::sun::star::packages::ZipEntry & rEntry;
Inflater aInflater;
void readIntoMemory();
public:
EntryInputStream( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xInput,
const com::sun::star::packages::ZipEntry &rNewEntry,
const vos::ORef < EncryptionData > &xEncryptData,
sal_Bool bIsDeflated );
virtual ~EntryInputStream();
// XInputStream
virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL available( )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL closeInput( )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
// XSeekable
virtual void SAL_CALL seek( sal_Int64 location )
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);
/*
private:
void fill( void );
*/
};
#endif