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sdkjs/common/bidi/bidi-types.js

113 lines
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JavaScript

/*
* (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 FLAG = {
RTL : 0x00000001,
STRONG : 0x00000010,
WEAK : 0x00000020,
NEUTRAL : 0x00000040,
SENTINEL : 0x00000080,
ARABIC : 0x00000002,
LETTER : 0x00000100,
NUMBER : 0x00000200,
NUMBER_SEP_TER : 0x00000400,
SPACE : 0x00000800,
EXPLICIT : 0x00001000,
ISOLATE : 0x00002000,
SEPARATOR : 0x00004000,
OVERRIDE : 0x00008000,
ES : 0x00010000, // European Separator
ET : 0x00020000, // European Terminator
CS : 0x00040000, // Common Separator
NSM : 0x00080000, // Non Spacing Mark
BN : 0x00100000, // Boundary Neutral
BS : 0x00200000, // Block Separator
SS : 0x00400000, // Segment Separator
WS : 0x00800000, // WhiteSpace
FS : 0x01000000 // FIRST
};
const TYPE = {
L : FLAG.STRONG | FLAG.LETTER,
R : FLAG.STRONG | FLAG.LETTER | FLAG.RTL,
AL : FLAG.STRONG | FLAG.LETTER | FLAG.ARABIC | FLAG.RTL,
EN : FLAG.WEAK | FLAG.NUMBER,
ES : FLAG.WEAK | FLAG.NUMBER_SEP_TER | FLAG.ES,
ET : FLAG.WEAK | FLAG.NUMBER_SEP_TER | FLAG.ET,
AN : FLAG.WEAK | FLAG.NUMBER | FLAG.ARABIC,
CS : FLAG.WEAK | FLAG.NUMBER_SEP_TER | FLAG.CS,
NSM : FLAG.WEAK | FLAG.NSM,
BN : FLAG.WEAK | FLAG.SPACE | FLAG.BN,
B : FLAG.NEUTRAL | FLAG.SPACE | FLAG.SEPARATOR | FLAG.BS,
S : FLAG.NEUTRAL | FLAG.SPACE | FLAG.SEPARATOR | FLAG.SS,
WS : FLAG.NEUTRAL | FLAG.SPACE | FLAG.WS,
ON : FLAG.NEUTRAL,
LRE : FLAG.STRONG | FLAG.EXPLICIT,
LRO : FLAG.STRONG | FLAG.EXPLICIT | FLAG.OVERRIDE,
RLE : FLAG.STRONG | FLAG.EXPLICIT | FLAG.RTL,
RLO : FLAG.STRONG | FLAG.EXPLICIT | FLAG.OVERRIDE | FLAG.RTL,
PDF : FLAG.WEAK | FLAG.EXPLICIT,
LRI : FLAG.NEUTRAL | FLAG.ISOLATE,
RLI : FLAG.NEUTRAL | FLAG.ISOLATE | FLAG.RTL,
FSI : FLAG.NEUTRAL | FLAG.ISOLATE | FLAG.FS,
PDI : FLAG.NEUTRAL | FLAG.WEAK | FLAG.ISOLATE,
PM : FLAG.STRONG // Paragraph end mark or strong with main direction of the text (tab/break)
};
const DIRECTION = {
L : TYPE.L,
R : TYPE.R
};
const DIRECTION_FLAG = {
None : 0x00,
LTR : 0x01,
RTL : 0x02,
Other : 0x04
};
//--------------------------------------------------------export----------------------------------------------------
AscBidi.FLAG = FLAG;
AscBidi.TYPE = TYPE;
AscBidi.DIRECTION = DIRECTION;
AscBidi.DIRECTION_FLAG = DIRECTION_FLAG;
})();