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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /lotuswordpro/source/filter/benval.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lotuswordpro/source/filter/benval.cxx | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/lotuswordpro/source/filter/benval.cxx b/lotuswordpro/source/filter/benval.cxx new file mode 100644 index 000000000..ec60c8c0e --- /dev/null +++ b/lotuswordpro/source/filter/benval.cxx @@ -0,0 +1,137 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: IBM Corporation + * + * Copyright: 2008 by IBM Corporation + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#include <sal/config.h> + +#include <algorithm> +#include <cstring> + +#include "bento.hxx" + +namespace OpenStormBento +{ + +size_t +CBenValue::GetValueSize() +{ + size_t Size = 0; + CBenValueSegment * pCurr = nullptr; + while ((pCurr = GetNextValueSegment(pCurr)) != nullptr) + Size += pCurr->GetSize(); + return Size; +} + +void +CBenValue::ReadValueData(void * pReadBuffer, size_t Offset, + size_t Amt, size_t* pAmtRead) +{ + size_t SegOffset = 0; + *pAmtRead = 0; + CBenValueSegment * pCurrSeg = nullptr; + LtcBenContainer * pContainer = GetProperty()->GetContainer(); + BenByte* pBuffer = static_cast<BenByte*>(pReadBuffer); + + /// pReadBuffer -- pointer to buffer of read result, allocated outside this function + /// Offset -- read buffer's start offset address, relative value in the whole value stream + /// Amt -- read buffer's size + /// pAmtRead -- return the actual read size + + /// SegOffset -- current segment's start address offset, relative value in the whole value stream + + while ((pCurrSeg = GetNextValueSegment(pCurrSeg)) != nullptr) + { + if (Amt == 0) /// whole buffer is full now, so return + return; + + if (SegOffset <= Offset && Offset < SegOffset + pCurrSeg->GetSize()) /// begin at current segment + { + size_t OffsetIntoSeg = Offset - SegOffset; /// relative value in this value segment stream + + size_t AmtThisSeg = std::min(Amt, pCurrSeg->GetSize() - + OffsetIntoSeg); /// size read in this segment, it's minimal value between Amt & + /// remain part from OffsetIntoSeg to the end of this segment + + size_t AmtReadThisSeg; /// actual read size in this segment + if (pCurrSeg->IsImmediate()) + { + std::memcpy(pBuffer, pCurrSeg->GetImmediateData() + + OffsetIntoSeg, AmtThisSeg); + AmtReadThisSeg = AmtThisSeg; + } + else + { + pContainer->SeekToPosition(pCurrSeg->GetPosition() + + OffsetIntoSeg); + pContainer->Read(pBuffer, AmtThisSeg, &AmtReadThisSeg); + } + + *pAmtRead += AmtReadThisSeg; + + if (AmtThisSeg != AmtReadThisSeg) + return; + + pBuffer += AmtReadThisSeg; + Offset += AmtReadThisSeg; + Amt -= AmtReadThisSeg; + } + + SegOffset += pCurrSeg->GetSize(); + } +} + +}//end namespace OpenStormBento + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |