1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_sfx2.hxx" 30 #include <tools/stream.hxx> 31 #include <tools/cachestr.hxx> 32 33 #include <sot/storage.hxx> 34 #include <sot/formats.hxx> 35 36 #include <sfx2/mieclip.hxx> 37 #include <sfx2/sfxuno.hxx> 38 39 MSE40HTMLClipFormatObj::~MSE40HTMLClipFormatObj() 40 { 41 delete pStrm; 42 } 43 44 SvStream* MSE40HTMLClipFormatObj::IsValid( SvStream& rStream ) 45 { 46 sal_Bool bRet = sal_False; 47 if( pStrm ) 48 delete pStrm, pStrm = 0; 49 50 ByteString sLine, sVersion; 51 sal_uIntPtr nStt = 0, nEnd = 0; 52 sal_uInt16 nIndex = 0; 53 54 rStream.Seek(STREAM_SEEK_TO_BEGIN); 55 rStream.ResetError(); 56 57 if( rStream.ReadLine( sLine ) && 58 sLine.GetToken( 0, ':', nIndex ) == "Version" ) 59 { 60 sVersion = sLine.Copy( nIndex ); 61 while( rStream.ReadLine( sLine ) ) 62 { 63 nIndex = 0; 64 ByteString sTmp( sLine.GetToken( 0, ':', nIndex ) ); 65 if( sTmp == "StartHTML" ) 66 nStt = (sal_uIntPtr)(sLine.Erase( 0, nIndex ).ToInt32()); 67 else if( sTmp == "EndHTML" ) 68 nEnd = (sal_uIntPtr)(sLine.Erase( 0, nIndex ).ToInt32()); 69 else if( sTmp == "SourceURL" ) 70 sBaseURL = String(S2U(sLine.Erase( 0, nIndex ))); 71 72 if( nEnd && nStt && 73 ( sBaseURL.Len() || rStream.Tell() >= nStt )) 74 { 75 bRet = sal_True; 76 break; 77 } 78 } 79 } 80 81 if( bRet ) 82 { 83 rStream.Seek( nStt ); 84 85 pStrm = new SvCacheStream( ( nEnd - nStt < 0x10000l 86 ? nEnd - nStt + 32 87 : 0 )); 88 *pStrm << rStream; 89 pStrm->SetStreamSize( nEnd - nStt + 1L ); 90 pStrm->Seek( STREAM_SEEK_TO_BEGIN ); 91 } 92 93 return pStrm; 94 } 95 96