Yajbir Singh
157 lines
4.7 KiB
C++
157 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-6 Ernesta Birznieka-Upish
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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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#include "PPTDocumentInfo.h"
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using namespace PPT;
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CPPTDocumentInfo::CPPTDocumentInfo() : m_oCurrentUser(), m_bMacroEnabled(true), m_pStream(NULL)
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{
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}
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CPPTDocumentInfo::~CPPTDocumentInfo()
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{
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Clear();
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}
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void CPPTDocumentInfo::Clear()
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{
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size_t nCount = m_arUsers.size();
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while(0 != nCount)
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{
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if (NULL != m_arUsers[nCount-1])
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RELEASEOBJECT(m_arUsers[nCount-1])
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m_arUsers.pop_back();
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--nCount;
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}
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}
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bool CPPTDocumentInfo::ReadFromStream(CRecordCurrentUserAtom *pCurrentUser, POLE::Stream *pStream)
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{
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m_pStream = pStream;
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m_oCurrentUser.FromAtom(pCurrentUser);
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_UINT32 offsetToEdit = m_oCurrentUser.m_nOffsetToCurrentEdit;
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SRecordHeader oHeader;
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CRecordUserEditAtom oUserAtom;
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Clear();
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size_t nCountUsers = 0;
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while (0 < offsetToEdit)
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{
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StreamUtils::StreamSeek(offsetToEdit, pStream);
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oHeader.ReadFromStream(pStream);
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oUserAtom.ReadFromStream(oHeader, pStream);
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CPPTUserInfo* pInfo = new CPPTUserInfo();
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pInfo->m_pDocumentInfo = this;
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pInfo->m_bEncrypt = m_oCurrentUser.m_bIsEncrypt;
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pInfo->m_strPassword = m_strPassword;
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pInfo->m_bMacroEnabled = m_bMacroEnabled;
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bool bResult = pInfo->ReadFromStream(&oUserAtom, pStream);
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offsetToEdit = pInfo->m_oUser.m_nOffsetLastEdit;
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m_oCurrentUser.m_bIsEncrypt = pInfo->m_bEncrypt;
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if (bResult == false)
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{
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delete pInfo;
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pInfo = NULL; // may not work
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if (m_oCurrentUser.m_bIsEncrypt)
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return false;
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else
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continue;
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}
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m_arUsers.push_back(pInfo);
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// теперь нужно выставить у него параметры для других юзеров
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pInfo->m_lIndexThisUser = m_arUsers.size() - 1;
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pInfo = NULL;
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}
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return true;
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}
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std::wstring CPPTDocumentInfo::GetBinFromStg(const std::wstring& name, _UINT32 nRef)
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{
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for (size_t i = 0; i < m_arUsers.size(); ++i)
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{
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std::map<_UINT32, _UINT32>::iterator nIndexPsrRef = m_arUsers[i]->m_mapOffsetInPIDs.find(nRef);
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if (m_arUsers[i]->m_mapOffsetInPIDs.end() != nIndexPsrRef)
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{
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std::wstring result;
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_UINT32 offset_stream = nIndexPsrRef->second;
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StreamUtils::StreamSeek(offset_stream, m_pStream);
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SRecordHeader oHeader;
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oHeader.ReadFromStream(m_pStream);
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CRecordExObjStg* pExObjStg = new CRecordExObjStg(name, m_pCommonInfo->tempPath);
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if (pExObjStg)
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{
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pExObjStg->ReadFromStream(oHeader, m_pStream);
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result = pExObjStg->m_sFileName;
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RELEASEOBJECT(pExObjStg);
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}
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return result;
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}
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}
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return L"";
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}
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bool CPPTDocumentInfo::LoadDocument()
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{
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if (m_arUsers.empty()) return false;
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try
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{
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m_arUsers[0]->ReadExtenalObjects(); // todooo ???? прочитать по всем (см 66864)
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m_arUsers[0]->FromDocument();
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m_bMacroEnabled = m_arUsers[0]->m_bMacroEnabled;
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}
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catch(int) //error code
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{
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return false;
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}
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return true;
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}
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