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80ba22da62
Add special bidi type for strong elements with the direction equal to main direction of the text Set this type to Tab element
108 lines
3.8 KiB
JavaScript
108 lines
3.8 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2024
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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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"use strict";
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(function ()
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{
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const FLAG = {
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RTL : 0x00000001,
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STRONG : 0x00000010,
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WEAK : 0x00000020,
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NEUTRAL : 0x00000040,
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SENTINEL : 0x00000080,
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ARABIC : 0x00000002,
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LETTER : 0x00000100,
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NUMBER : 0x00000200,
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NUMBER_SEP_TER : 0x00000400,
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SPACE : 0x00000800,
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EXPLICIT : 0x00001000,
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ISOLATE : 0x00002000,
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SEPARATOR : 0x00004000,
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OVERRIDE : 0x00008000,
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ES : 0x00010000, // European Separator
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ET : 0x00020000, // European Terminator
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CS : 0x00040000, // Common Separator
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NSM : 0x00080000, // Non Spacing Mark
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BN : 0x00100000, // Boundary Neutral
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BS : 0x00200000, // Block Separator
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SS : 0x00400000, // Segment Separator
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WS : 0x00800000, // WhiteSpace
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FS : 0x01000000 // FIRST
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};
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const TYPE = {
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L : FLAG.STRONG | FLAG.LETTER,
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R : FLAG.STRONG | FLAG.LETTER | FLAG.RTL,
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AL : FLAG.STRONG | FLAG.LETTER | FLAG.ARABIC | FLAG.RTL,
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EN : FLAG.WEAK | FLAG.NUMBER,
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ES : FLAG.WEAK | FLAG.NUMBER_SEP_TER | FLAG.ES,
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ET : FLAG.WEAK | FLAG.NUMBER_SEP_TER | FLAG.ET,
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AN : FLAG.WEAK | FLAG.NUMBER | FLAG.ARABIC,
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CS : FLAG.WEAK | FLAG.NUMBER_SEP_TER | FLAG.CS,
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NSM : FLAG.WEAK | FLAG.NSM,
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BN : FLAG.WEAK | FLAG.SPACE | FLAG.BN,
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B : FLAG.NEUTRAL | FLAG.SPACE | FLAG.SEPARATOR | FLAG.BS,
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S : FLAG.NEUTRAL | FLAG.SPACE | FLAG.SEPARATOR | FLAG.SS,
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WS : FLAG.NEUTRAL | FLAG.SPACE | FLAG.WS,
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ON : FLAG.NEUTRAL,
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LRE : FLAG.STRONG | FLAG.EXPLICIT,
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LRO : FLAG.STRONG | FLAG.EXPLICIT | FLAG.OVERRIDE,
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RLE : FLAG.STRONG | FLAG.EXPLICIT | FLAG.RTL,
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RLO : FLAG.STRONG | FLAG.EXPLICIT | FLAG.OVERRIDE | FLAG.RTL,
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PDF : FLAG.WEAK | FLAG.EXPLICIT,
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LRI : FLAG.NEUTRAL | FLAG.ISOLATE,
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RLI : FLAG.NEUTRAL | FLAG.ISOLATE | FLAG.RTL,
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FSI : FLAG.NEUTRAL | FLAG.ISOLATE | FLAG.FS,
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PDI : FLAG.NEUTRAL | FLAG.WEAK | FLAG.ISOLATE,
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CD : FLAG.STRONG, // strong with main direction of the text (tab)
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PM : FLAG.STRONG // Paragraph end mark
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};
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// TODO: Unite CD and PM Types
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const DIRECTION = {
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L : TYPE.L,
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R : TYPE.R
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};
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//--------------------------------------------------------export----------------------------------------------------
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AscBidi.FLAG = FLAG;
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AscBidi.TYPE = TYPE;
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AscBidi.DIRECTION = DIRECTION;
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})();
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