97 lines
3.0 KiB
C++
97 lines
3.0 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 "PropertySet.h"
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#include "../../XlsFile/Format/Binary/CFStream.h"
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#include "PropertyFactory.h"
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#include "CodePageOle.h"
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namespace OLEPS
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{
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PropertySet::PropertySet(XLS::CFStreamPtr stream, const unsigned int property_set_offset, bool ext)
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{
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stream->seekFromBegin(property_set_offset);
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_UINT32 Size, NumProperties;
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*stream >> Size;
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*stream >> NumProperties;
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std::vector<PropIdAndOffset> prop_offsets;
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for(unsigned int i = 0; i < NumProperties; ++i)
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{
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if (stream->getStreamPointer() + 8 > stream->getStreamSize())
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break;
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PropIdAndOffset prop_offset;
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*stream >> prop_offset;
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if (prop_offset.Offset/* - property_set_offset*/ > Size)
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break;
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prop_offsets.push_back(prop_offset);
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}
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PropertyFactory factory;
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for(size_t i = 0; i < prop_offsets.size(); ++i)
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{
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if (stream->getStreamPointer() - property_set_offset > Size)
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break;
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if (ext)
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prop_offsets[i].PropId += 0x1000;
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PropertyPtr property_ = factory.ReadProperty(prop_offsets[i].PropId, stream, property_set_offset + prop_offsets[i].Offset);
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if(property_)
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{
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properties.insert(std::make_pair(property_->prop_type, property_));
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}
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}
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code_page = factory.code_page;
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}
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PropertyPtr PropertySet::GetProperty(unsigned int id)
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{
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PropertyPtr prop;
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std::map<unsigned int, PropertyPtr>::iterator pFind = properties.find(id);
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if (pFind != properties.end())
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prop = pFind->second;
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return prop;
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}
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const unsigned short PropertySet::GetCodePage()
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{
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return code_page;
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}
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} // namespace OLEPS
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