lotuswordpro/source/filter/lwpsvstream.hxx

   1 /*************************************************************************
   2  *
   3  *  The Contents of this file are made available subject to the terms of
   4  *  either of the following licenses
   5  *
   6  *         - GNU Lesser General Public License Version 2.1
   7  *         - Sun Industry Standards Source License Version 1.1
   8  *
   9  *  Sun Microsystems Inc., October, 2000
  10  *
  11  *  GNU Lesser General Public License Version 2.1
  12  *  =============================================
  13  *  Copyright 2000 by Sun Microsystems, Inc.
  14  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  15  *
  16  *  This library is free software; you can redistribute it and/or
  17  *  modify it under the terms of the GNU Lesser General Public
  18  *  License version 2.1, as published by the Free Software Foundation.
  19  *
  20  *  This library is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  23  *  Lesser General Public License for more details.
  24  *
  25  *  You should have received a copy of the GNU Lesser General Public
  26  *  License along with this library; if not, write to the Free Software
  27  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  28  *  MA  02111-1307  USA
  29  *
  30  *
  31  *  Sun Industry Standards Source License Version 1.1
  32  *  =================================================
  33  *  The contents of this file are subject to the Sun Industry Standards
  34  *  Source License Version 1.1 (the "License"); You may not use this file
  35  *  except in compliance with the License. You may obtain a copy of the
  36  *  License at http://www.openoffice.org/license.html.
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  38  *  Software provided under this License is provided on an "AS IS" basis,
  39  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  40  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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  42  *  See the License for the specific provisions governing your rights and
  43  *  obligations concerning the Software.
  44  *
  45  *  The Initial Developer of the Original Code is: IBM Corporation
  46  *
  47  *  Copyright: 2008 by IBM Corporation
  48  *
  49  *  All Rights Reserved.
  50  *
  51  *  Contributor(s): _______________________________________
  52  *
  53  *
  54  ************************************************************************/
  55 #ifndef _SVSTREAM_HXX
  56 #define _SVSTREAM_HXX
  57
  58 #include "lwpheader.hxx"
  59 #include "lwpunoheader.hxx"
  60 #include <tools/stream.hxx>
  61
  62 /**
  63  * @brief       encapsulate XInputStream to provide SvStream like interfaces
  64 */
  65 class LwpSvStream
  66 {
  67 public:
  68         LwpSvStream(SvStream* pStream, LwpSvStream * pCompressed = NULL);
  69         sal_Int32 Read( void* bytes, sal_Int32 nBytesToRead );
  70         sal_Int64 SeekRel( sal_Int64 pos );
  71         sal_Int64 Tell();
  72         sal_Int64 Seek( sal_Int64 pos );
  73 //      sal_Int64 GetLength();
  74         static const sal_uInt32 LWP_STREAM_BASE;
  75
  76         // added by  for small file feature
  77         LwpSvStream * GetCompressedStream()
  78         {
  79                 return m_pCompressedStream;
  80         };
  81         SvStream * GetStream()
  82         {
  83                 return m_pStream;
  84         }
  85         // end of added by
  86
  87 private:
  88         // when the file opened is small file, m_pStream is the decompressed stream
  89         // when not, m_pStream contains the normal stream
  90         SvStream* m_pStream;
  91
  92         // added by  for small file feature
  93         // when the file opened is small file, this stream is
  94         // for saving the compressed stream which is to be used for Chart/OLE as BENTO container
  95         LwpSvStream * m_pCompressedStream;
  96         // end of added by
  97
  98 };
  99 #endif