/*
 * (c) Copyright Ascensio System SIA 2010-2024
 *
 * 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. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * 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: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */

"use strict";

(function()
{
	const memory = new AscCommon.CMemory();
	memory.Init(1000);
	
	/**
	 * @param data
	 * @constructor
	 */
	function CacheEntry(data)
	{
		this.ref = 1;
		this.data = data;
	}
	
	/**
	 * Класс для кэширования объектов стиля. В текущий момент работает только с объектами, которые пишут себя в
	 * бинарник (WriteToBinary)
	 * @constructor
	 */
	function StyleCache()
	{
		this.data = {};
	}
	StyleCache.prototype.add = function(data)
	{
		let key = this.getKey(data);
		if (this.data[key])
			++this.data[key].ref;
		else
			this.data[key] = new CacheEntry(data);
		
		return this.data[key].data;
	};
	StyleCache.prototype.remove = function(data)
	{
		let key = this.getKey(data);
		if (!this.data[key])
			return;
		
		--this.data[key].ref;
		if (!this.data[key].ref)
			delete this.data[key];
	};
	StyleCache.prototype.getKey = function(data)
	{
		memory.Seek(0);
		data.WriteToBinary(memory);
		return memory.sha256();
	};
	
	//--------------------------------------------------------export----------------------------------------------------
	AscWord.g_textPrCache = new StyleCache();
	
})(window);