Files
core/MsBinaryFile/Common/SummaryInformation/PropertySet.cpp
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

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