/*
 * 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