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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
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* Copyright (C) Ascensio System SIA, 2009-2026
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation, together with the
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* additional terms provided in the LICENSE file.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA by email at info@onlyoffice.com
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* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
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* LV-1050, Latvia, European Union.
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*
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* The interactive user interfaces in modified versions of the Program
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* are required to display Appropriate Legal Notices in accordance with
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* Section 5 of the GNU AGPL version 3.
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*
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* No trademark rights are granted under this License.
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*
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* All non-code elements of the Product, including illustrations,
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* icon sets, and technical writing content, are licensed under the
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* Creative Commons Attribution-ShareAlike 4.0 International License:
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* https://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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* This license applies only to such non-code elements and does not
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* modify or replace the licensing terms applicable to the Program's
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* source code, which remains licensed under the GNU Affero General
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* Public License v3.
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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#include "PersistDirectoryAtom.h"
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using namespace PPT;
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_UINT32 CPersistDirectoryEntry::FromStream(POLE::Stream *pStream)
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{
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_UINT32 nFlag = StreamUtils::ReadDWORD(pStream);
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m_nPersistID = (nFlag & 0x000FFFFF); // 20 bit
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m_nPersistCount = (nFlag & 0xFFF00000) >> 20; // 12 bit
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m_arPersistOffsets.clear();
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for (_UINT32 index = 0; index < m_nPersistCount; ++index)
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{
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_UINT32 Mem = StreamUtils::ReadDWORD(pStream);
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m_arPersistOffsets.push_back(Mem);
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}
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return 4 * (m_nPersistCount + 1);
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}
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void CRecordPersistDirectoryAtom::ReadFromStream(SRecordHeader &oHeader, POLE::Stream *pStream)
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{
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m_oHeader = oHeader;
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_UINT32 nCountRead = 0;
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_UINT32 nCountEnries = 0;
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while (nCountRead < m_oHeader.RecLen)
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{
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CPersistDirectoryEntry elm;
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m_arEntries.push_back(elm);
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nCountRead += m_arEntries[nCountEnries].FromStream(pStream);
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++nCountEnries;
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}
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}
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void CRecordPersistDirectoryAtom::ToMap(std::map<_UINT32, _UINT32> *pMap)
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{
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pMap->clear();
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for (size_t nEntry = 0; nEntry < m_arEntries.size(); ++nEntry)
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{
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_UINT32 nPID = m_arEntries[nEntry].m_nPersistID;
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for (size_t nIndex = 0; nIndex < m_arEntries[nEntry].m_nPersistCount; ++nIndex)
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{
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_UINT32 nOffset = m_arEntries[nEntry].m_arPersistOffsets[nIndex];
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pMap->insert(std::pair<_UINT32, _UINT32>(nPID, nOffset));
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++nPID;
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}
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}
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}
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