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       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * This file is part of the LibreOffice project.
       4                 :            :  *
       5                 :            :  * This Source Code Form is subject to the terms of the Mozilla Public
       6                 :            :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7                 :            :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8                 :            :  *
       9                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : #include <tools/stream.hxx>
      21                 :            : #include <tools/cachestr.hxx>
      22                 :            : 
      23                 :            : #include <sot/storage.hxx>
      24                 :            : #include <sot/formats.hxx>
      25                 :            : 
      26                 :            : #include <sfx2/mieclip.hxx>
      27                 :            : #include <sfx2/sfxuno.hxx>
      28                 :            : 
      29                 :          0 : MSE40HTMLClipFormatObj::~MSE40HTMLClipFormatObj()
      30                 :            : {
      31 [ #  # ][ #  # ]:          0 :     delete pStrm;
      32                 :          0 : }
      33                 :            : 
      34                 :          0 : SvStream* MSE40HTMLClipFormatObj::IsValid( SvStream& rStream )
      35                 :            : {
      36                 :          0 :     bool bRet = false;
      37         [ #  # ]:          0 :     if( pStrm )
      38 [ #  # ][ #  # ]:          0 :         delete pStrm, pStrm = 0;
      39                 :            : 
      40                 :          0 :     rtl::OString sLine, sVersion;
      41                 :          0 :     sal_Int32 nStt = -1, nEnd = -1, nFragStart = -1, nFragEnd = -1;
      42                 :          0 :     sal_Int32 nIndex = 0;
      43                 :            : 
      44         [ #  # ]:          0 :     rStream.Seek(STREAM_SEEK_TO_BEGIN);
      45         [ #  # ]:          0 :     rStream.ResetError();
      46                 :            : 
      47         [ #  # ]:          0 :     if( rStream.ReadLine( sLine ) &&
           [ #  #  #  # ]
                 [ #  # ]
      48 [ #  # ][ #  # ]:          0 :         sLine.getToken( 0, ':', nIndex ) == "Version" )
      49                 :            :     {
      50                 :          0 :         sVersion = sLine.copy( nIndex );
      51 [ #  # ][ #  # ]:          0 :         while( rStream.ReadLine( sLine ) )
      52                 :            :         {
      53                 :          0 :             nIndex = 0;
      54                 :          0 :             rtl::OString sTmp(sLine.getToken(0, ':', nIndex));
      55         [ #  # ]:          0 :             if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("StartHTML")))
      56                 :          0 :                 nStt = sLine.copy(nIndex).toInt32();
      57         [ #  # ]:          0 :             else if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("EndHTML")))
      58                 :          0 :                 nEnd = sLine.copy(nIndex).toInt32();
      59         [ #  # ]:          0 :             else if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("StartFragment")))
      60                 :          0 :                 nFragStart = sLine.copy(nIndex).toInt32();
      61         [ #  # ]:          0 :             else if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("EndFragment")))
      62                 :          0 :                 nFragEnd = sLine.copy(nIndex).toInt32();
      63         [ #  # ]:          0 :             else if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("SourceURL")))
      64 [ #  # ][ #  # ]:          0 :                 sBaseURL = S2U(sLine.copy(nIndex));
      65                 :            : 
      66 [ #  # ][ #  #  :          0 :             if (nEnd >= 0 && nStt >= 0 &&
             #  #  #  # ]
                 [ #  # ]
      67                 :          0 :                 (sBaseURL.Len() || rStream.Tell() >= static_cast<sal_Size>(nStt)))
      68                 :            :             {
      69                 :          0 :                 bRet = true;
      70                 :            :                 break;
      71                 :            :             }
      72         [ #  # ]:          0 :         }
      73                 :            :     }
      74                 :            : 
      75         [ #  # ]:          0 :     if( bRet )
      76                 :            :     {
      77         [ #  # ]:          0 :         rStream.Seek( nStt );
      78                 :            : 
      79                 :            :         pStrm = new SvCacheStream( ( nEnd - nStt < 0x10000l
      80                 :            :                                         ? nEnd - nStt + 32
      81 [ #  # ][ #  # ]:          0 :                                         : 0 ));
                 [ #  # ]
      82         [ #  # ]:          0 :         *pStrm << rStream;
      83         [ #  # ]:          0 :         pStrm->SetStreamSize( nEnd - nStt + 1L );
      84         [ #  # ]:          0 :         pStrm->Seek( STREAM_SEEK_TO_BEGIN );
      85                 :          0 :         return pStrm;
      86                 :            :     }
      87                 :            : 
      88 [ #  # ][ #  # ]:          0 :     if (nFragStart > 0 && nFragEnd > 0 && nFragEnd > nFragStart)
                 [ #  # ]
      89                 :            :     {
      90                 :          0 :         sal_uIntPtr nSize = static_cast<sal_uIntPtr>(nFragEnd - nFragStart + 1);
      91         [ #  # ]:          0 :         if (nSize < 0x10000L)
      92                 :            :         {
      93         [ #  # ]:          0 :             rStream.Seek(nFragStart);
      94 [ #  # ][ #  # ]:          0 :             pStrm = new SvCacheStream(nSize);
      95         [ #  # ]:          0 :             *pStrm << rStream;
      96         [ #  # ]:          0 :             pStrm->SetStreamSize(nSize);
      97         [ #  # ]:          0 :             pStrm->Seek(STREAM_SEEK_TO_BEGIN);
      98                 :          0 :             return pStrm;
      99                 :            :         }
     100                 :            :     }
     101                 :            : 
     102                 :          0 :     return NULL;
     103                 :            : }
     104                 :            : 
     105                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */