/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include #include #include #include MSE40HTMLClipFormatObj::~MSE40HTMLClipFormatObj() { } SvStream* MSE40HTMLClipFormatObj::IsValid( SvStream& rStream ) { bool bRet = false; pStrm.reset(); OString sLine; sal_Int32 nStt = -1, nEnd = -1, nFragStart = -1, nFragEnd = -1; sal_Int32 nIndex = 0; rStream.Seek(STREAM_SEEK_TO_BEGIN); rStream.ResetError(); if( rStream.ReadLine( sLine ) && sLine.getToken( 0, ':', nIndex ) == "Version" ) { while( rStream.ReadLine( sLine ) ) { nIndex = 0; OString sTmp(sLine.getToken(0, ':', nIndex)); if (sTmp == "StartHTML") nStt = sLine.copy(nIndex).toInt32(); else if (sTmp == "EndHTML") nEnd = sLine.copy(nIndex).toInt32(); else if (sTmp == "StartFragment") nFragStart = sLine.copy(nIndex).toInt32(); else if (sTmp == "EndFragment") nFragEnd = sLine.copy(nIndex).toInt32(); else if (sTmp == "SourceURL") sBaseURL = OStringToOUString( sLine.copy(nIndex), RTL_TEXTENCODING_UTF8 ); if (nEnd >= 0 && nStt >= 0 && (!sBaseURL.isEmpty() || rStream.Tell() >= o3tl::make_unsigned(nStt))) { bRet = true; break; } } } if( bRet ) { rStream.Seek( nStt ); pStrm.reset( new SvMemoryStream( ( nEnd - nStt < 0x10000l ? nEnd - nStt + 32 : 0 )) ); pStrm->WriteStream( rStream ); pStrm->SetStreamSize( nEnd - nStt + 1 ); pStrm->Seek( STREAM_SEEK_TO_BEGIN ); return pStrm.get(); } if (nFragStart > 0 && nFragEnd > 0 && nFragEnd > nFragStart) { size_t nSize = nFragEnd - nFragStart + 1; if (nSize < 0x10000L) { rStream.Seek(nFragStart); pStrm.reset( new SvMemoryStream(nSize) ); pStrm->WriteStream( rStream ); pStrm->SetStreamSize(nSize); pStrm->Seek(STREAM_SEEK_TO_BEGIN); return pStrm.get(); } } return nullptr; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */