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https://github.com/ONLYOFFICE/core.git
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149 lines
4.7 KiB
C++
149 lines
4.7 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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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. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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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: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#pragma once
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#include "PPTFileDefines.h"
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#include "../Enums/RecordType.h"
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#include "../Reader/ReadStructures.h"
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#include "../../Common/Vml/PPTShape/Enums.h"
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#include "../../XlsFile/Format/Binary/CFStream.h"
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#include "../../../Common/3dParty/pole/pole.h"
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#include "../../../OfficeCryptReader/source/CryptTransform.h"
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#include "../../../OOXML/Base/Nullable.h"
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#include "ReadStructures.h"
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#include <boost/smart_ptr/shared_array.hpp>
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//#include <iostream>
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//#include <iomanip>
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//#include <fstream>
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std::string GetRecordName(PPT::RecordType dwType);
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namespace PPT
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{
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class SRecordHeader
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{
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public:
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unsigned char RecVersion;
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unsigned short RecInstance;
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RecordType RecType;
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_UINT32 RecLen;
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bool bBadHeader;
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void Clear();
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SRecordHeader();
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bool ReadFromStream(const XLS::CFStreamPtr &pStream);
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bool ReadFromStream(POLE::Stream * pStream);
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bool IsContainer();
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SRecordHeader& operator =(const SRecordHeader& oSrc);
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};
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class IRecord
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{
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public:
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SRecordHeader m_oHeader;
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virtual ~IRecord();
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virtual void ReadFromStream(SRecordHeader & oHeader, const XLS::CFStreamPtr &pStream) = 0;
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virtual void ReadFromStream(SRecordHeader & oHeader, POLE::Stream* pStream) = 0;
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};
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class CUnknownRecord : public IRecord
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{
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// этот класс - просто для того, чтобы нигде не проверять,
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// реализована ли у нас такая запись
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public:
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CUnknownRecord();
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virtual ~CUnknownRecord();
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virtual void ReadFromStream(SRecordHeader & oHeader, const XLS::CFStreamPtr &pStream);
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virtual void ReadFromStream(SRecordHeader & oHeader, POLE::Stream* pStream);
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std::wstring ReadStringW(const XLS::CFStreamPtr &pStream, int size);
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std::string ReadStringA(const XLS::CFStreamPtr &pStream, int size);
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};
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IRecord* CreateByType(SRecordHeader oHeader);
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class CRecordsContainer : public CUnknownRecord
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{
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public:
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std::vector<IRecord*> m_arRecords;
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CRecordsContainer();
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virtual ~CRecordsContainer();
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void Clear();
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virtual void ReadFromStream(SRecordHeader & oHeader, const XLS::CFStreamPtr &pStream);
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virtual void ReadFromStream(SRecordHeader & oHeader, POLE::Stream* pStream);
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template <typename T>
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void GetRecordsByType(std::vector<T>* pArray, bool bIsChild, bool bOnlyFirst = false) const
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{
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if (NULL == pArray)
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return;
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// возвращаем указатели, их не удалять наверху!!!!
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for (size_t nIndex = 0; nIndex < m_arRecords.size(); ++nIndex)
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{
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T pRec = dynamic_cast<T>(m_arRecords[nIndex]);
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if (NULL != pRec)
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{
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pArray->push_back(pRec);
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if (bOnlyFirst)
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{
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return;
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}
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}
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else if ((bIsChild) && (m_arRecords[nIndex]->m_oHeader.IsContainer()))
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{
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CRecordsContainer* pContainer = dynamic_cast<CRecordsContainer*>(m_arRecords[nIndex]);
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if (NULL != pContainer)
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{
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pContainer->GetRecordsByType(pArray, bIsChild, bOnlyFirst);
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}
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}
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}
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}
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};
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}
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