sfx2/source/bastyp/mieclip.cxx

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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   5  * Copyright 2008 by Sun Microsystems, Inc.
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   7  * OpenOffice.org - a multi-platform office productivity suite
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   9  * $RCSfile: mieclip.cxx,v $
  10  * $Revision: 1.11 $
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  12  * This file is part of OpenOffice.org.
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  16  * only, as published by the Free Software Foundation.
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  21  * GNU Lesser General Public License version 3 for more details
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  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
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  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sfx2.hxx"
  33 #include <tools/stream.hxx>
  34 #include <tools/cachestr.hxx>
  35
  36 #include <sot/storage.hxx>
  37 #include <sot/formats.hxx>
  38
  39 #include <mieclip.hxx>
  40 #include <sfx2/sfxuno.hxx>
  41
  42 MSE40HTMLClipFormatObj::~MSE40HTMLClipFormatObj()
  43 {
  44     delete pStrm;
  45 }
  46
  47 SvStream* MSE40HTMLClipFormatObj::IsValid( SvStream& rStream )
  48 {
  49     BOOL bRet = FALSE;
  50     if( pStrm )
  51         delete pStrm, pStrm = 0;
  52
  53     ByteString sLine, sVersion;
  54     ULONG nStt = 0, nEnd = 0;
  55     USHORT nIndex = 0;
  56
  57     rStream.Seek(STREAM_SEEK_TO_BEGIN);
  58     rStream.ResetError();
  59
  60     if( rStream.ReadLine( sLine ) &&
  61         sLine.GetToken( 0, ':', nIndex ) == "Version" )
  62     {
  63         sVersion = sLine.Copy( nIndex );
  64         while( rStream.ReadLine( sLine ) )
  65         {
  66             nIndex = 0;
  67             ByteString sTmp( sLine.GetToken( 0, ':', nIndex ) );
  68             if( sTmp == "StartHTML" )
  69                 nStt = (ULONG)(sLine.Erase( 0, nIndex ).ToInt32());
  70             else if( sTmp == "EndHTML" )
  71                 nEnd = (ULONG)(sLine.Erase( 0, nIndex ).ToInt32());
  72             else if( sTmp == "SourceURL" )
  73                 sBaseURL = String(S2U(sLine.Erase( 0, nIndex )));
  74
  75             if( nEnd && nStt &&
  76                 ( sBaseURL.Len() || rStream.Tell() >= nStt ))
  77             {
  78                 bRet = TRUE;
  79                 break;
  80             }
  81         }
  82     }
  83
  84     if( bRet )
  85     {
  86         rStream.Seek( nStt );
  87
  88         pStrm = new SvCacheStream( ( nEnd - nStt < 0x10000l
  89                                         ? nEnd - nStt + 32
  90                                         : 0 ));
  91         *pStrm << rStream;
  92         pStrm->SetStreamSize( nEnd - nStt + 1L );
  93         pStrm->Seek( STREAM_SEEK_TO_BEGIN );
  94     }
  95
  96     return pStrm;
  97 }
  98