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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
105 lines
3.4 KiB
C++
105 lines
3.4 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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#ifndef COMPOUNDFILE_H
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#define COMPOUNDFILE_H
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#include "Sector.h"
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#include "DirectoryEntry.h"
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#include "../HWPStream.h"
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#include "../../../DesktopEditor/common/File.h"
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namespace HWP
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{
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class CCompoundFile
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{
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NSFile::CFileBinary m_oFile;
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int m_nMinorVersion;
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int m_nMajorVersion;
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int m_nSectorSize;
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int m_nShortSectorSize;
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int m_nNumDirectory; // Support only in version 4
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int m_nNumSAT;
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int m_nFirstSecIDDirectory;
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int m_nMiniStreamCutoffSize;
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int m_nFirstSecIDSSAT;
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int m_nNumSSAT;
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int m_nFirstSecIDMSAT;
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int m_nNumMSAT;
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VECTOR<TSector> m_arSectors;
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VECTOR<int> m_arSATs;
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VECTOR<int> m_arSSATSecIDs;
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VECTOR<int> m_arDirectorySecIDs;
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VECTOR<int> m_arSStreamSecIDs;
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VECTOR<int> m_arSStreams;
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VECTOR<CDirectoryEntry*> m_arDirectoryEntries;
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public:
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CCompoundFile(const HWP_STRING& sFileName);
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~CCompoundFile();
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const CDirectoryEntry* GetEntry(const HWP_STRING& sFileName) const;
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bool GetComponent(const HWP_STRING& sEntryName, CHWPStream& oBuffer);
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VECTOR<CDirectoryEntry*> GetChildEntries(const CDirectoryEntry* pBaseEntry) const;
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VECTOR<CDirectoryEntry*> GetChildEntries(const HWP_STRING& sBaseEntryName) const;
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bool Read(const CDirectoryEntry& oEntry, CHWPStream& oBuffer);
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bool Open();
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void Close();
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private:
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void AddSiblings(VECTOR<int>& arIndexs, int nCurrentIndex) const;
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VECTOR<int> GetSecIDsFromSAT(int nSecID, int nSatIndex, int nSecIDSSAT);
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void ReadDirectorySector(int nSecID);
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void ReadSSATSector(int nSecID);
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void ReadMSATSector(int nSecID);
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void ParseSectors(int nSecID, CHWPStream& oBuffer);
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void ParseSATSector(int nSecID, CHWPStream& oBuffer);
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void ParseDirectorySector(CHWPStream& oBuffer);
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void ParseSSATSector(CHWPStream& oBuffer);
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void ParseMSATSector(CHWPStream& oBuffer);
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bool ParseHeader(CHWPStream& oBuffer);
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bool CheckSignature(CHWPStream& oBuffer);
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ESectorType LookupSectorType(CHWPStream& oBuffer);
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};
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}
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#endif // COMPOUNDFILE_H
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