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core/HwpFile/HwpDoc/OLEdoc/CompoundFile.h
Alexander Trofimov 76ee07f61c [copyright] Update copyright header
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
2026-05-14 08:23:56 +00:00

105 lines
3.4 KiB
C++

/*
* Copyright (C) Ascensio System SIA, 2009-2026
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation, together with the
* additional terms provided in the LICENSE file.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA by email at info@onlyoffice.com
* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
* LV-1050, Latvia, European Union.
*
* The interactive user interfaces in modified versions of the Program
* are required to display Appropriate Legal Notices in accordance with
* Section 5 of the GNU AGPL version 3.
*
* No trademark rights are granted under this License.
*
* All non-code elements of the Product, including illustrations,
* icon sets, and technical writing content, are licensed under the
* Creative Commons Attribution-ShareAlike 4.0 International License:
* https://creativecommons.org/licenses/by-sa/4.0/legalcode
*
* This license applies only to such non-code elements and does not
* modify or replace the licensing terms applicable to the Program's
* source code, which remains licensed under the GNU Affero General
* Public License v3.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
#ifndef COMPOUNDFILE_H
#define COMPOUNDFILE_H
#include "Sector.h"
#include "DirectoryEntry.h"
#include "../HWPStream.h"
#include "../../../DesktopEditor/common/File.h"
namespace HWP
{
class CCompoundFile
{
NSFile::CFileBinary m_oFile;
int m_nMinorVersion;
int m_nMajorVersion;
int m_nSectorSize;
int m_nShortSectorSize;
int m_nNumDirectory; // Support only in version 4
int m_nNumSAT;
int m_nFirstSecIDDirectory;
int m_nMiniStreamCutoffSize;
int m_nFirstSecIDSSAT;
int m_nNumSSAT;
int m_nFirstSecIDMSAT;
int m_nNumMSAT;
VECTOR<TSector> m_arSectors;
VECTOR<int> m_arSATs;
VECTOR<int> m_arSSATSecIDs;
VECTOR<int> m_arDirectorySecIDs;
VECTOR<int> m_arSStreamSecIDs;
VECTOR<int> m_arSStreams;
VECTOR<CDirectoryEntry*> m_arDirectoryEntries;
public:
CCompoundFile(const HWP_STRING& sFileName);
~CCompoundFile();
const CDirectoryEntry* GetEntry(const HWP_STRING& sFileName) const;
bool GetComponent(const HWP_STRING& sEntryName, CHWPStream& oBuffer);
VECTOR<CDirectoryEntry*> GetChildEntries(const CDirectoryEntry* pBaseEntry) const;
VECTOR<CDirectoryEntry*> GetChildEntries(const HWP_STRING& sBaseEntryName) const;
bool Read(const CDirectoryEntry& oEntry, CHWPStream& oBuffer);
bool Open();
void Close();
private:
void AddSiblings(VECTOR<int>& arIndexs, int nCurrentIndex) const;
VECTOR<int> GetSecIDsFromSAT(int nSecID, int nSatIndex, int nSecIDSSAT);
void ReadDirectorySector(int nSecID);
void ReadSSATSector(int nSecID);
void ReadMSATSector(int nSecID);
void ParseSectors(int nSecID, CHWPStream& oBuffer);
void ParseSATSector(int nSecID, CHWPStream& oBuffer);
void ParseDirectorySector(CHWPStream& oBuffer);
void ParseSSATSector(CHWPStream& oBuffer);
void ParseMSATSector(CHWPStream& oBuffer);
bool ParseHeader(CHWPStream& oBuffer);
bool CheckSignature(CHWPStream& oBuffer);
ESectorType LookupSectorType(CHWPStream& oBuffer);
};
}
#endif // COMPOUNDFILE_H