lotuswordpro/source/filter/lwpsvstream.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*************************************************************************
   3  *
   4  *  The Contents of this file are made available subject to the terms of
   5  *  either of the following licenses
   6  *
   7  *         - GNU Lesser General Public License Version 2.1
   8  *         - Sun Industry Standards Source License Version 1.1
   9  *
  10  *  Sun Microsystems Inc., October, 2000
  11  *
  12  *  GNU Lesser General Public License Version 2.1
  13  *  =============================================
  14  *  Copyright 2000 by Sun Microsystems, Inc.
  15  *  901 San Antonio Road, Palo Alto, CA 94303, USA
  16  *
  17  *  This library is free software; you can redistribute it and/or
  18  *  modify it under the terms of the GNU Lesser General Public
  19  *  License version 2.1, as published by the Free Software Foundation.
  20  *
  21  *  This library is distributed in the hope that it will be useful,
  22  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  24  *  Lesser General Public License for more details.
  25  *
  26  *  You should have received a copy of the GNU Lesser General Public
  27  *  License along with this library; if not, write to the Free Software
  28  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  29  *  MA  02111-1307  USA
  30  *
  31  *
  32  *  Sun Industry Standards Source License Version 1.1
  33  *  =================================================
  34  *  The contents of this file are subject to the Sun Industry Standards
  35  *  Source License Version 1.1 (the "License"); You may not use this file
  36  *  except in compliance with the License. You may obtain a copy of the
  37  *  License at http://www.openoffice.org/license.html.
  38  *
  39  *  Software provided under this License is provided on an "AS IS" basis,
  40  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
  41  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
  42  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
  43  *  See the License for the specific provisions governing your rights and
  44  *  obligations concerning the Software.
  45  *
  46  *  The Initial Developer of the Original Code is: IBM Corporation
  47  *
  48  *  Copyright: 2008 by IBM Corporation
  49  *
  50  *  All Rights Reserved.
  51  *
  52  *  Contributor(s): _______________________________________
  53  *
  54  *
  55  ************************************************************************/
  56 #ifndef INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_LWPSVSTREAM_HXX
  57 #define INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_LWPSVSTREAM_HXX
  58
  59 #include "lwpheader.hxx"
  60 #include "xfilter/xfglobal.hxx"
  61 #include <tools/stream.hxx>
  62
  63 /**
  64  * @brief   encapsulate XInputStream to provide SvStream like interfaces
  65 */
  66 class LwpSvStream
  67 {
  68 public:
  69     LwpSvStream(SvStream* pStream, LwpSvStream * pCompressed = NULL);
  70     sal_Int32 Read( void* bytes, sal_Int32 nBytesToRead );
  71     sal_Int64 SeekRel( sal_Int64 pos );
  72     sal_Int64 Tell();
  73     sal_Int64 Seek( sal_Int64 pos );
  74
  75     LwpSvStream& ReadUInt8( sal_uInt8& rUInt8 );
  76     LwpSvStream& ReadUInt16( sal_uInt16& rUInt16 );
  77     LwpSvStream& ReadUInt32( sal_uInt32& rUInt32 );
  78
  79     static const sal_uInt32 LWP_STREAM_BASE;
  80
  81     LwpSvStream * GetCompressedStream()
  82     {
  83         return m_pCompressedStream;
  84     };
  85     SvStream * GetStream()
  86     {
  87         return m_pStream;
  88     }
  89
  90 private:
  91     // when the file opened is small file, m_pStream is the decompressed stream
  92     // when not, m_pStream contains the normal stream
  93     SvStream* m_pStream;
  94
  95     // when the file opened is small file, this stream is for saving the
  96     // compressed stream which is to be used for Chart/OLE as BENTO container
  97     LwpSvStream * m_pCompressedStream;
  98 };
  99 #endif
 100
 101 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */