568e1b9794
We need to handle fragment span in case the HTML span is not provided by the source application. According to the MS spec it is allowed. The old code assumed that the source app would always provide an HTML span. Apparently some apps don't, and only provides a fragment span.
116 lines
3.8 KiB
C++
116 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_sfx2.hxx"
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#include <tools/stream.hxx>
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#include <tools/cachestr.hxx>
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#include <sot/storage.hxx>
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#include <sot/formats.hxx>
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#include <sfx2/mieclip.hxx>
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#include <sfx2/sfxuno.hxx>
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MSE40HTMLClipFormatObj::~MSE40HTMLClipFormatObj()
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{
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delete pStrm;
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}
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SvStream* MSE40HTMLClipFormatObj::IsValid( SvStream& rStream )
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{
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bool bRet = false;
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if( pStrm )
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delete pStrm, pStrm = 0;
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rtl::OString sLine, sVersion;
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sal_Int32 nStt = -1, nEnd = -1, nFragStart = -1, nFragEnd = -1;
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sal_Int32 nIndex = 0;
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rStream.Seek(STREAM_SEEK_TO_BEGIN);
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rStream.ResetError();
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if( rStream.ReadLine( sLine ) &&
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sLine.getToken( 0, ':', nIndex ) == "Version" )
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{
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sVersion = sLine.copy( nIndex );
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while( rStream.ReadLine( sLine ) )
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{
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nIndex = 0;
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rtl::OString sTmp(sLine.getToken(0, ':', nIndex));
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if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("StartHTML")))
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nStt = sLine.copy(nIndex).toInt32();
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else if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("EndHTML")))
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nEnd = sLine.copy(nIndex).toInt32();
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else if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("StartFragment")))
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nFragStart = sLine.copy(nIndex).toInt32();
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else if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("EndFragment")))
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nFragEnd = sLine.copy(nIndex).toInt32();
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else if (sTmp.equalsL(RTL_CONSTASCII_STRINGPARAM("SourceURL")))
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sBaseURL = S2U(sLine.copy(nIndex));
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if (nEnd >= 0 && nStt >= 0 &&
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(sBaseURL.Len() || rStream.Tell() >= static_cast<sal_Size>(nStt)))
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{
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bRet = true;
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break;
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}
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}
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}
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if( bRet )
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{
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rStream.Seek( nStt );
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pStrm = new SvCacheStream( ( nEnd - nStt < 0x10000l
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? nEnd - nStt + 32
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: 0 ));
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*pStrm << rStream;
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pStrm->SetStreamSize( nEnd - nStt + 1L );
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pStrm->Seek( STREAM_SEEK_TO_BEGIN );
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return pStrm;
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}
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if (nFragStart > 0 && nFragEnd > 0 && nFragEnd > nFragStart)
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{
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sal_uIntPtr nSize = static_cast<sal_uIntPtr>(nFragEnd - nFragStart + 1);
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if (nSize < 0x10000L)
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{
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rStream.Seek(nFragStart);
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pStrm = new SvCacheStream(nSize);
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*pStrm << rStream;
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pStrm->SetStreamSize(nSize);
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pStrm->Seek(STREAM_SEEK_TO_BEGIN);
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return pStrm;
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}
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}
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return NULL;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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