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Diffstat (limited to 'sfx2/source/bastyp/mieclip.cxx')
-rw-r--r-- | sfx2/source/bastyp/mieclip.cxx | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/sfx2/source/bastyp/mieclip.cxx b/sfx2/source/bastyp/mieclip.cxx new file mode 100644 index 000000000..83920a175 --- /dev/null +++ b/sfx2/source/bastyp/mieclip.cxx @@ -0,0 +1,100 @@ +/* -*- 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 <sal/config.h> + +#include <o3tl/safeint.hxx> +#include <tools/stream.hxx> + +#include <sfx2/mieclip.hxx> + +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: */ |