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

/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: EntryInputStream.hxx,v $
 *
 *  $Revision: 1.9 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 16:12:12 $
 *
 *  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 _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_ZIP_ZIPENTRY_HPP_
#include <com/sun/star/packages/zip/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 >
{
protected:
    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, nUncompressedSize;
    sal_Bool bRawStream, bHaveInMemory, bEncrypted;
    com::sun::star::uno::Sequence < sal_Int8 > aBuffer;
    const vos::ORef < EncryptionData > xEncryptionData;
    const com::sun::star::packages::zip::ZipEntry aEntry;
    Inflater aInflater;
    void readIntoMemory()
        throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
public:
             EntryInputStream( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xInput,
                                const com::sun::star::packages::zip::ZipEntry &rNewEntry,
                               const vos::ORef < EncryptionData > &xEncryptData,
                               sal_Bool bGetRawStream = sal_False);
    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