791 lines
27 KiB
JavaScript
791 lines
27 KiB
JavaScript
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/**
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* unicode.js - east asian width and surrogate pairs
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* Copyright (c) 2013-2015, Christopher Jeffrey and contributors (MIT License).
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* https://github.com/chjj/blessed
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* Borrowed from vangie/east-asian-width, komagata/eastasianwidth,
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* and mathiasbynens/String.prototype.codePointAt. Licenses below.
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*/
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// east-asian-width
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//
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// Copyright (c) 2015 Vangie Du
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// https://github.com/vangie/east-asian-width
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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// eastasianwidth
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//
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// Copyright (c) 2013, Masaki Komagata
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// https://github.com/komagata/eastasianwidth
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// String.prototype.codePointAt
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//
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// Copyright Mathias Bynens <https://mathiasbynens.be/>
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// https://github.com/mathiasbynens/String.prototype.codePointAt
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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// String.fromCodePoint
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//
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// Copyright Mathias Bynens <https://mathiasbynens.be/>
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// https://github.com/mathiasbynens/String.fromCodePoint
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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var stringFromCharCode = String.fromCharCode;
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var floor = Math.floor;
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/**
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* Wide, Surrogates, and Combining
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*/
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exports.charWidth = function(str, i) {
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var point = typeof str !== 'number'
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? exports.codePointAt(str, i || 0)
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: str;
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// nul
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if (point === 0) return 0;
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// tab
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if (point === 0x09) {
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if (!exports.blessed) {
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exports.blessed = require('../');
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}
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return exports.blessed.screen.global
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? exports.blessed.screen.global.tabc.length
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: 8;
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}
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// 8-bit control characters (2-width according to unicode??)
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if (point < 32 || (point >= 0x7f && point < 0xa0)) {
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return 0;
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}
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// search table of non-spacing characters
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// is ucs combining or C0/C1 control character
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if (exports.combining[point]) {
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return 0;
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}
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// check for double-wide
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// if (point >= 0x1100
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// && (point <= 0x115f // Hangul Jamo init. consonants
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// || point === 0x2329 || point === 0x232a
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// || (point >= 0x2e80 && point <= 0xa4cf
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// && point !== 0x303f) // CJK ... Yi
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// || (point >= 0xac00 && point <= 0xd7a3) // Hangul Syllables
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// || (point >= 0xf900 && point <= 0xfaff) // CJK Compatibility Ideographs
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// || (point >= 0xfe10 && point <= 0xfe19) // Vertical forms
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// || (point >= 0xfe30 && point <= 0xfe6f) // CJK Compatibility Forms
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// || (point >= 0xff00 && point <= 0xff60) // Fullwidth Forms
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// || (point >= 0xffe0 && point <= 0xffe6)
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// || (point >= 0x20000 && point <= 0x2fffd)
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// || (point >= 0x30000 && point <= 0x3fffd))) {
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// return 2;
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// }
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// check for double-wide
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if ((0x3000 === point)
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|| (0xFF01 <= point && point <= 0xFF60)
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|| (0xFFE0 <= point && point <= 0xFFE6)) {
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return 2;
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}
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if ((0x1100 <= point && point <= 0x115F)
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|| (0x11A3 <= point && point <= 0x11A7)
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|| (0x11FA <= point && point <= 0x11FF)
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|| (0x2329 <= point && point <= 0x232A)
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|| (0x2E80 <= point && point <= 0x2E99)
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|| (0x2E9B <= point && point <= 0x2EF3)
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|| (0x2F00 <= point && point <= 0x2FD5)
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|| (0x2FF0 <= point && point <= 0x2FFB)
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|| (0x3001 <= point && point <= 0x303E)
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|| (0x3041 <= point && point <= 0x3096)
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|| (0x3099 <= point && point <= 0x30FF)
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|| (0x3105 <= point && point <= 0x312D)
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|| (0x3131 <= point && point <= 0x318E)
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|| (0x3190 <= point && point <= 0x31BA)
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|| (0x31C0 <= point && point <= 0x31E3)
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|| (0x31F0 <= point && point <= 0x321E)
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|| (0x3220 <= point && point <= 0x3247)
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|| (0x3250 <= point && point <= 0x32FE)
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|| (0x3300 <= point && point <= 0x4DBF)
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|| (0x4E00 <= point && point <= 0xA48C)
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|| (0xA490 <= point && point <= 0xA4C6)
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|| (0xA960 <= point && point <= 0xA97C)
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|| (0xAC00 <= point && point <= 0xD7A3)
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|| (0xD7B0 <= point && point <= 0xD7C6)
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|| (0xD7CB <= point && point <= 0xD7FB)
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|| (0xF900 <= point && point <= 0xFAFF)
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|| (0xFE10 <= point && point <= 0xFE19)
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|| (0xFE30 <= point && point <= 0xFE52)
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|| (0xFE54 <= point && point <= 0xFE66)
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|| (0xFE68 <= point && point <= 0xFE6B)
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|| (0x1B000 <= point && point <= 0x1B001)
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|| (0x1F200 <= point && point <= 0x1F202)
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|| (0x1F210 <= point && point <= 0x1F23A)
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|| (0x1F240 <= point && point <= 0x1F248)
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|| (0x1F250 <= point && point <= 0x1F251)
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|| (0x20000 <= point && point <= 0x2F73F)
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|| (0x2B740 <= point && point <= 0x2FFFD)
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|| (0x30000 <= point && point <= 0x3FFFD)) {
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return 2;
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}
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// CJK Ambiguous
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// http://www.unicode.org/reports/tr11/
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// http://www.unicode.org/reports/tr11/#Ambiguous
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if (process.env.NCURSES_CJK_WIDTH) {
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if ((0x00A1 === point)
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|| (0x00A4 === point)
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|| (0x00A7 <= point && point <= 0x00A8)
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|| (0x00AA === point)
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|| (0x00AD <= point && point <= 0x00AE)
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|| (0x00B0 <= point && point <= 0x00B4)
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|| (0x00B6 <= point && point <= 0x00BA)
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|| (0x00BC <= point && point <= 0x00BF)
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|| (0x00C6 === point)
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|| (0x00D0 === point)
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|| (0x00D7 <= point && point <= 0x00D8)
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|| (0x00DE <= point && point <= 0x00E1)
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|| (0x00E6 === point)
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|| (0x00E8 <= point && point <= 0x00EA)
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|| (0x00EC <= point && point <= 0x00ED)
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|| (0x00F0 === point)
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|| (0x00F2 <= point && point <= 0x00F3)
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|| (0x00F7 <= point && point <= 0x00FA)
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|| (0x00FC === point)
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|| (0x00FE === point)
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|| (0x0101 === point)
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|| (0x0111 === point)
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|| (0x0113 === point)
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|| (0x011B === point)
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|| (0x0126 <= point && point <= 0x0127)
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|| (0x012B === point)
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|| (0x0131 <= point && point <= 0x0133)
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|| (0x0138 === point)
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|| (0x013F <= point && point <= 0x0142)
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|| (0x0144 === point)
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|| (0x0148 <= point && point <= 0x014B)
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|| (0x014D === point)
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|| (0x0152 <= point && point <= 0x0153)
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|| (0x0166 <= point && point <= 0x0167)
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|| (0x016B === point)
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|| (0x01CE === point)
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|| (0x01D0 === point)
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|| (0x01D2 === point)
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|| (0x01D4 === point)
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|| (0x01D6 === point)
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|| (0x01D8 === point)
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|| (0x01DA === point)
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|| (0x01DC === point)
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|| (0x0251 === point)
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|| (0x0261 === point)
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|| (0x02C4 === point)
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|| (0x02C7 === point)
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|| (0x02C9 <= point && point <= 0x02CB)
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|| (0x02CD === point)
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|| (0x02D0 === point)
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|| (0x02D8 <= point && point <= 0x02DB)
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|| (0x02DD === point)
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|| (0x02DF === point)
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|| (0x0300 <= point && point <= 0x036F)
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|| (0x0391 <= point && point <= 0x03A1)
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|| (0x03A3 <= point && point <= 0x03A9)
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|| (0x03B1 <= point && point <= 0x03C1)
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|| (0x03C3 <= point && point <= 0x03C9)
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|| (0x0401 === point)
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|| (0x0410 <= point && point <= 0x044F)
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|| (0x0451 === point)
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|| (0x2010 === point)
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|| (0x2013 <= point && point <= 0x2016)
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|| (0x2018 <= point && point <= 0x2019)
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|| (0x201C <= point && point <= 0x201D)
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|| (0x2020 <= point && point <= 0x2022)
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|| (0x2024 <= point && point <= 0x2027)
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|| (0x2030 === point)
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|| (0x2032 <= point && point <= 0x2033)
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|| (0x2035 === point)
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|| (0x203B === point)
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|| (0x203E === point)
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|| (0x2074 === point)
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|| (0x207F === point)
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|| (0x2081 <= point && point <= 0x2084)
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|| (0x20AC === point)
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|| (0x2103 === point)
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|| (0x2105 === point)
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|| (0x2109 === point)
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|| (0x2113 === point)
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|| (0x2116 === point)
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|| (0x2121 <= point && point <= 0x2122)
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|| (0x2126 === point)
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|| (0x212B === point)
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|| (0x2153 <= point && point <= 0x2154)
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|| (0x215B <= point && point <= 0x215E)
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|| (0x2160 <= point && point <= 0x216B)
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|| (0x2170 <= point && point <= 0x2179)
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|| (0x2189 === point)
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|| (0x2190 <= point && point <= 0x2199)
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|| (0x21B8 <= point && point <= 0x21B9)
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|| (0x21D2 === point)
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|| (0x21D4 === point)
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|| (0x21E7 === point)
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|| (0x2200 === point)
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|| (0x2202 <= point && point <= 0x2203)
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|| (0x2207 <= point && point <= 0x2208)
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|| (0x220B === point)
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|| (0x220F === point)
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|
|| (0x2211 === point)
|
|||
|
|
|| (0x2215 === point)
|
|||
|
|
|| (0x221A === point)
|
|||
|
|
|| (0x221D <= point && point <= 0x2220)
|
|||
|
|
|| (0x2223 === point)
|
|||
|
|
|| (0x2225 === point)
|
|||
|
|
|| (0x2227 <= point && point <= 0x222C)
|
|||
|
|
|| (0x222E === point)
|
|||
|
|
|| (0x2234 <= point && point <= 0x2237)
|
|||
|
|
|| (0x223C <= point && point <= 0x223D)
|
|||
|
|
|| (0x2248 === point)
|
|||
|
|
|| (0x224C === point)
|
|||
|
|
|| (0x2252 === point)
|
|||
|
|
|| (0x2260 <= point && point <= 0x2261)
|
|||
|
|
|| (0x2264 <= point && point <= 0x2267)
|
|||
|
|
|| (0x226A <= point && point <= 0x226B)
|
|||
|
|
|| (0x226E <= point && point <= 0x226F)
|
|||
|
|
|| (0x2282 <= point && point <= 0x2283)
|
|||
|
|
|| (0x2286 <= point && point <= 0x2287)
|
|||
|
|
|| (0x2295 === point)
|
|||
|
|
|| (0x2299 === point)
|
|||
|
|
|| (0x22A5 === point)
|
|||
|
|
|| (0x22BF === point)
|
|||
|
|
|| (0x2312 === point)
|
|||
|
|
|| (0x2460 <= point && point <= 0x24E9)
|
|||
|
|
|| (0x24EB <= point && point <= 0x254B)
|
|||
|
|
|| (0x2550 <= point && point <= 0x2573)
|
|||
|
|
|| (0x2580 <= point && point <= 0x258F)
|
|||
|
|
|| (0x2592 <= point && point <= 0x2595)
|
|||
|
|
|| (0x25A0 <= point && point <= 0x25A1)
|
|||
|
|
|| (0x25A3 <= point && point <= 0x25A9)
|
|||
|
|
|| (0x25B2 <= point && point <= 0x25B3)
|
|||
|
|
|| (0x25B6 <= point && point <= 0x25B7)
|
|||
|
|
|| (0x25BC <= point && point <= 0x25BD)
|
|||
|
|
|| (0x25C0 <= point && point <= 0x25C1)
|
|||
|
|
|| (0x25C6 <= point && point <= 0x25C8)
|
|||
|
|
|| (0x25CB === point)
|
|||
|
|
|| (0x25CE <= point && point <= 0x25D1)
|
|||
|
|
|| (0x25E2 <= point && point <= 0x25E5)
|
|||
|
|
|| (0x25EF === point)
|
|||
|
|
|| (0x2605 <= point && point <= 0x2606)
|
|||
|
|
|| (0x2609 === point)
|
|||
|
|
|| (0x260E <= point && point <= 0x260F)
|
|||
|
|
|| (0x2614 <= point && point <= 0x2615)
|
|||
|
|
|| (0x261C === point)
|
|||
|
|
|| (0x261E === point)
|
|||
|
|
|| (0x2640 === point)
|
|||
|
|
|| (0x2642 === point)
|
|||
|
|
|| (0x2660 <= point && point <= 0x2661)
|
|||
|
|
|| (0x2663 <= point && point <= 0x2665)
|
|||
|
|
|| (0x2667 <= point && point <= 0x266A)
|
|||
|
|
|| (0x266C <= point && point <= 0x266D)
|
|||
|
|
|| (0x266F === point)
|
|||
|
|
|| (0x269E <= point && point <= 0x269F)
|
|||
|
|
|| (0x26BE <= point && point <= 0x26BF)
|
|||
|
|
|| (0x26C4 <= point && point <= 0x26CD)
|
|||
|
|
|| (0x26CF <= point && point <= 0x26E1)
|
|||
|
|
|| (0x26E3 === point)
|
|||
|
|
|| (0x26E8 <= point && point <= 0x26FF)
|
|||
|
|
|| (0x273D === point)
|
|||
|
|
|| (0x2757 === point)
|
|||
|
|
|| (0x2776 <= point && point <= 0x277F)
|
|||
|
|
|| (0x2B55 <= point && point <= 0x2B59)
|
|||
|
|
|| (0x3248 <= point && point <= 0x324F)
|
|||
|
|
|| (0xE000 <= point && point <= 0xF8FF)
|
|||
|
|
|| (0xFE00 <= point && point <= 0xFE0F)
|
|||
|
|
|| (0xFFFD === point)
|
|||
|
|
|| (0x1F100 <= point && point <= 0x1F10A)
|
|||
|
|
|| (0x1F110 <= point && point <= 0x1F12D)
|
|||
|
|
|| (0x1F130 <= point && point <= 0x1F169)
|
|||
|
|
|| (0x1F170 <= point && point <= 0x1F19A)
|
|||
|
|
|| (0xE0100 <= point && point <= 0xE01EF)
|
|||
|
|
|| (0xF0000 <= point && point <= 0xFFFFD)
|
|||
|
|
|| (0x100000 <= point && point <= 0x10FFFD)) {
|
|||
|
|
return +process.env.NCURSES_CJK_WIDTH || 1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 1;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
exports.strWidth = function(str) {
|
|||
|
|
var width = 0;
|
|||
|
|
for (var i = 0; i < str.length; i++) {
|
|||
|
|
width += exports.charWidth(str, i);
|
|||
|
|
if (exports.isSurrogate(str, i)) i++;
|
|||
|
|
}
|
|||
|
|
return width;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
exports.isSurrogate = function(str, i) {
|
|||
|
|
var point = typeof str !== 'number'
|
|||
|
|
? exports.codePointAt(str, i || 0)
|
|||
|
|
: str;
|
|||
|
|
return point > 0x00ffff;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
exports.combiningTable = [
|
|||
|
|
[0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
|
|||
|
|
[0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
|
|||
|
|
[0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
|
|||
|
|
[0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
|
|||
|
|
[0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
|
|||
|
|
[0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
|
|||
|
|
[0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
|
|||
|
|
[0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
|
|||
|
|
[0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
|
|||
|
|
[0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
|
|||
|
|
[0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
|
|||
|
|
[0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
|
|||
|
|
[0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
|
|||
|
|
[0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
|
|||
|
|
[0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
|
|||
|
|
[0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
|
|||
|
|
[0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
|
|||
|
|
[0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
|
|||
|
|
[0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
|
|||
|
|
[0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
|
|||
|
|
[0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
|
|||
|
|
[0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
|
|||
|
|
[0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
|
|||
|
|
[0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
|
|||
|
|
[0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
|
|||
|
|
[0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
|
|||
|
|
[0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
|
|||
|
|
[0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
|
|||
|
|
[0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
|
|||
|
|
[0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
|
|||
|
|
[0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
|
|||
|
|
[0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
|
|||
|
|
[0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
|
|||
|
|
[0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
|
|||
|
|
[0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
|
|||
|
|
[0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
|
|||
|
|
[0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
|
|||
|
|
[0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
|
|||
|
|
[0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
|
|||
|
|
[0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
|
|||
|
|
[0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
|
|||
|
|
[0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
|
|||
|
|
[0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
|
|||
|
|
[0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
|
|||
|
|
[0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
|
|||
|
|
[0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
|
|||
|
|
[0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
|
|||
|
|
[0xE0100, 0xE01EF]
|
|||
|
|
];
|
|||
|
|
|
|||
|
|
exports.combining = exports.combiningTable.reduce(function(out, row) {
|
|||
|
|
for (var i = row[0]; i <= row[1]; i++) {
|
|||
|
|
out[i] = true;
|
|||
|
|
}
|
|||
|
|
return out;
|
|||
|
|
}, {});
|
|||
|
|
|
|||
|
|
exports.isCombining = function(str, i) {
|
|||
|
|
var point = typeof str !== 'number'
|
|||
|
|
? exports.codePointAt(str, i || 0)
|
|||
|
|
: str;
|
|||
|
|
return exports.combining[point] === true;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Code Point Helpers
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
exports.codePointAt = function(str, position) {
|
|||
|
|
if (str == null) {
|
|||
|
|
throw TypeError();
|
|||
|
|
}
|
|||
|
|
var string = String(str);
|
|||
|
|
if (string.codePointAt) {
|
|||
|
|
return string.codePointAt(position);
|
|||
|
|
}
|
|||
|
|
var size = string.length;
|
|||
|
|
// `ToInteger`
|
|||
|
|
var index = position ? Number(position) : 0;
|
|||
|
|
if (index !== index) { // better `isNaN`
|
|||
|
|
index = 0;
|
|||
|
|
}
|
|||
|
|
// Account for out-of-bounds indices:
|
|||
|
|
if (index < 0 || index >= size) {
|
|||
|
|
return undefined;
|
|||
|
|
}
|
|||
|
|
// Get the first code unit
|
|||
|
|
var first = string.charCodeAt(index);
|
|||
|
|
var second;
|
|||
|
|
if ( // check if it’s the start of a surrogate pair
|
|||
|
|
first >= 0xD800 && first <= 0xDBFF && // high surrogate
|
|||
|
|
size > index + 1 // there is a next code unit
|
|||
|
|
) {
|
|||
|
|
second = string.charCodeAt(index + 1);
|
|||
|
|
if (second >= 0xDC00 && second <= 0xDFFF) { // low surrogate
|
|||
|
|
// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
|
|||
|
|
return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return first;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// exports.codePointAt = function(str, position) {
|
|||
|
|
// position = +position || 0;
|
|||
|
|
// var x = str.charCodeAt(position);
|
|||
|
|
// var y = str.length > 1 ? str.charCodeAt(position + 1) : 0;
|
|||
|
|
// var point = x;
|
|||
|
|
// if ((0xD800 <= x && x <= 0xDBFF) && (0xDC00 <= y && y <= 0xDFFF)) {
|
|||
|
|
// x &= 0x3FF;
|
|||
|
|
// y &= 0x3FF;
|
|||
|
|
// point = (x << 10) | y;
|
|||
|
|
// point += 0x10000;
|
|||
|
|
// }
|
|||
|
|
// return point;
|
|||
|
|
// };
|
|||
|
|
|
|||
|
|
exports.fromCodePoint = function() {
|
|||
|
|
if (String.fromCodePoint) {
|
|||
|
|
return String.fromCodePoint.apply(String, arguments);
|
|||
|
|
}
|
|||
|
|
var MAX_SIZE = 0x4000;
|
|||
|
|
var codeUnits = [];
|
|||
|
|
var highSurrogate;
|
|||
|
|
var lowSurrogate;
|
|||
|
|
var index = -1;
|
|||
|
|
var length = arguments.length;
|
|||
|
|
if (!length) {
|
|||
|
|
return '';
|
|||
|
|
}
|
|||
|
|
var result = '';
|
|||
|
|
while (++index < length) {
|
|||
|
|
var codePoint = Number(arguments[index]);
|
|||
|
|
if (
|
|||
|
|
!isFinite(codePoint) || // `NaN`, `+Infinity`, or `-Infinity`
|
|||
|
|
codePoint < 0 || // not a valid Unicode code point
|
|||
|
|
codePoint > 0x10FFFF || // not a valid Unicode code point
|
|||
|
|
floor(codePoint) !== codePoint // not an integer
|
|||
|
|
) {
|
|||
|
|
throw RangeError('Invalid code point: ' + codePoint);
|
|||
|
|
}
|
|||
|
|
if (codePoint <= 0xFFFF) { // BMP code point
|
|||
|
|
codeUnits.push(codePoint);
|
|||
|
|
} else { // Astral code point; split in surrogate halves
|
|||
|
|
// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
|
|||
|
|
codePoint -= 0x10000;
|
|||
|
|
highSurrogate = (codePoint >> 10) + 0xD800;
|
|||
|
|
lowSurrogate = (codePoint % 0x400) + 0xDC00;
|
|||
|
|
codeUnits.push(highSurrogate, lowSurrogate);
|
|||
|
|
}
|
|||
|
|
if (index + 1 === length || codeUnits.length > MAX_SIZE) {
|
|||
|
|
result += stringFromCharCode.apply(null, codeUnits);
|
|||
|
|
codeUnits.length = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return result;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Regexes
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
exports.chars = {};
|
|||
|
|
|
|||
|
|
// Double width characters that are _not_ surrogate pairs.
|
|||
|
|
// NOTE: 0x20000 - 0x2fffd and 0x30000 - 0x3fffd are not necessary for this
|
|||
|
|
// regex anyway. This regex is used to put a blank char after wide chars to
|
|||
|
|
// be eaten, however, if this is a surrogate pair, parseContent already adds
|
|||
|
|
// the extra one char because its length equals 2 instead of 1.
|
|||
|
|
exports.chars.wide = new RegExp('(['
|
|||
|
|
+ '\\u1100-\\u115f' // Hangul Jamo init. consonants
|
|||
|
|
+ '\\u2329\\u232a'
|
|||
|
|
+ '\\u2e80-\\u303e\\u3040-\\ua4cf' // CJK ... Yi
|
|||
|
|
+ '\\uac00-\\ud7a3' // Hangul Syllables
|
|||
|
|
+ '\\uf900-\\ufaff' // CJK Compatibility Ideographs
|
|||
|
|
+ '\\ufe10-\\ufe19' // Vertical forms
|
|||
|
|
+ '\\ufe30-\\ufe6f' // CJK Compatibility Forms
|
|||
|
|
+ '\\uff00-\\uff60' // Fullwidth Forms
|
|||
|
|
+ '\\uffe0-\\uffe6'
|
|||
|
|
+ '])', 'g');
|
|||
|
|
|
|||
|
|
// All surrogate pair wide chars.
|
|||
|
|
exports.chars.swide = new RegExp('('
|
|||
|
|
// 0x20000 - 0x2fffd:
|
|||
|
|
+ '[\\ud840-\\ud87f][\\udc00-\\udffd]'
|
|||
|
|
+ '|'
|
|||
|
|
// 0x30000 - 0x3fffd:
|
|||
|
|
+ '[\\ud880-\\ud8bf][\\udc00-\\udffd]'
|
|||
|
|
+ ')', 'g');
|
|||
|
|
|
|||
|
|
// All wide chars including surrogate pairs.
|
|||
|
|
exports.chars.all = new RegExp('('
|
|||
|
|
+ exports.chars.swide.source.slice(1, -1)
|
|||
|
|
+ '|'
|
|||
|
|
+ exports.chars.wide.source.slice(1, -1)
|
|||
|
|
+ ')', 'g');
|
|||
|
|
|
|||
|
|
// Regex to detect a surrogate pair.
|
|||
|
|
exports.chars.surrogate = /[\ud800-\udbff][\udc00-\udfff]/g;
|
|||
|
|
|
|||
|
|
// Regex to find combining characters.
|
|||
|
|
exports.chars.combining = exports.combiningTable.reduce(function(out, row) {
|
|||
|
|
var low, high, range;
|
|||
|
|
if (row[0] > 0x00ffff) {
|
|||
|
|
low = exports.fromCodePoint(row[0]);
|
|||
|
|
low = [
|
|||
|
|
hexify(low.charCodeAt(0)),
|
|||
|
|
hexify(low.charCodeAt(1))
|
|||
|
|
];
|
|||
|
|
high = exports.fromCodePoint(row[1]);
|
|||
|
|
high = [
|
|||
|
|
hexify(high.charCodeAt(0)),
|
|||
|
|
hexify(high.charCodeAt(1))
|
|||
|
|
];
|
|||
|
|
range = '[\\u' + low[0] + '-' + '\\u' + high[0] + ']'
|
|||
|
|
+ '[\\u' + low[1] + '-' + '\\u' + high[1] + ']';
|
|||
|
|
if (!~out.indexOf('|')) out += ']';
|
|||
|
|
out += '|' + range;
|
|||
|
|
} else {
|
|||
|
|
low = hexify(row[0]);
|
|||
|
|
high = hexify(row[1]);
|
|||
|
|
low = '\\u' + low;
|
|||
|
|
high = '\\u' + high;
|
|||
|
|
out += low + '-' + high;
|
|||
|
|
}
|
|||
|
|
return out;
|
|||
|
|
}, '[');
|
|||
|
|
|
|||
|
|
exports.chars.combining = new RegExp(exports.chars.combining, 'g');
|
|||
|
|
|
|||
|
|
function hexify(n) {
|
|||
|
|
n = n.toString(16);
|
|||
|
|
while (n.length < 4) n = '0' + n;
|
|||
|
|
return n;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
exports.chars.combining = new RegExp(
|
|||
|
|
'['
|
|||
|
|
+ '\\u0300-\\u036f'
|
|||
|
|
+ '\\u0483-\\u0486'
|
|||
|
|
+ '\\u0488-\\u0489'
|
|||
|
|
+ '\\u0591-\\u05bd'
|
|||
|
|
+ '\\u05bf-\\u05bf'
|
|||
|
|
+ '\\u05c1-\\u05c2'
|
|||
|
|
+ '\\u05c4-\\u05c5'
|
|||
|
|
+ '\\u05c7-\\u05c7'
|
|||
|
|
+ '\\u0600-\\u0603'
|
|||
|
|
+ '\\u0610-\\u0615'
|
|||
|
|
+ '\\u064b-\\u065e'
|
|||
|
|
+ '\\u0670-\\u0670'
|
|||
|
|
+ '\\u06d6-\\u06e4'
|
|||
|
|
+ '\\u06e7-\\u06e8'
|
|||
|
|
+ '\\u06ea-\\u06ed'
|
|||
|
|
+ '\\u070f-\\u070f'
|
|||
|
|
+ '\\u0711-\\u0711'
|
|||
|
|
+ '\\u0730-\\u074a'
|
|||
|
|
+ '\\u07a6-\\u07b0'
|
|||
|
|
+ '\\u07eb-\\u07f3'
|
|||
|
|
+ '\\u0901-\\u0902'
|
|||
|
|
+ '\\u093c-\\u093c'
|
|||
|
|
+ '\\u0941-\\u0948'
|
|||
|
|
+ '\\u094d-\\u094d'
|
|||
|
|
+ '\\u0951-\\u0954'
|
|||
|
|
+ '\\u0962-\\u0963'
|
|||
|
|
+ '\\u0981-\\u0981'
|
|||
|
|
+ '\\u09bc-\\u09bc'
|
|||
|
|
+ '\\u09c1-\\u09c4'
|
|||
|
|
+ '\\u09cd-\\u09cd'
|
|||
|
|
+ '\\u09e2-\\u09e3'
|
|||
|
|
+ '\\u0a01-\\u0a02'
|
|||
|
|
+ '\\u0a3c-\\u0a3c'
|
|||
|
|
+ '\\u0a41-\\u0a42'
|
|||
|
|
+ '\\u0a47-\\u0a48'
|
|||
|
|
+ '\\u0a4b-\\u0a4d'
|
|||
|
|
+ '\\u0a70-\\u0a71'
|
|||
|
|
+ '\\u0a81-\\u0a82'
|
|||
|
|
+ '\\u0abc-\\u0abc'
|
|||
|
|
+ '\\u0ac1-\\u0ac5'
|
|||
|
|
+ '\\u0ac7-\\u0ac8'
|
|||
|
|
+ '\\u0acd-\\u0acd'
|
|||
|
|
+ '\\u0ae2-\\u0ae3'
|
|||
|
|
+ '\\u0b01-\\u0b01'
|
|||
|
|
+ '\\u0b3c-\\u0b3c'
|
|||
|
|
+ '\\u0b3f-\\u0b3f'
|
|||
|
|
+ '\\u0b41-\\u0b43'
|
|||
|
|
+ '\\u0b4d-\\u0b4d'
|
|||
|
|
+ '\\u0b56-\\u0b56'
|
|||
|
|
+ '\\u0b82-\\u0b82'
|
|||
|
|
+ '\\u0bc0-\\u0bc0'
|
|||
|
|
+ '\\u0bcd-\\u0bcd'
|
|||
|
|
+ '\\u0c3e-\\u0c40'
|
|||
|
|
+ '\\u0c46-\\u0c48'
|
|||
|
|
+ '\\u0c4a-\\u0c4d'
|
|||
|
|
+ '\\u0c55-\\u0c56'
|
|||
|
|
+ '\\u0cbc-\\u0cbc'
|
|||
|
|
+ '\\u0cbf-\\u0cbf'
|
|||
|
|
+ '\\u0cc6-\\u0cc6'
|
|||
|
|
+ '\\u0ccc-\\u0ccd'
|
|||
|
|
+ '\\u0ce2-\\u0ce3'
|
|||
|
|
+ '\\u0d41-\\u0d43'
|
|||
|
|
+ '\\u0d4d-\\u0d4d'
|
|||
|
|
+ '\\u0dca-\\u0dca'
|
|||
|
|
+ '\\u0dd2-\\u0dd4'
|
|||
|
|
+ '\\u0dd6-\\u0dd6'
|
|||
|
|
+ '\\u0e31-\\u0e31'
|
|||
|
|
+ '\\u0e34-\\u0e3a'
|
|||
|
|
+ '\\u0e47-\\u0e4e'
|
|||
|
|
+ '\\u0eb1-\\u0eb1'
|
|||
|
|
+ '\\u0eb4-\\u0eb9'
|
|||
|
|
+ '\\u0ebb-\\u0ebc'
|
|||
|
|
+ '\\u0ec8-\\u0ecd'
|
|||
|
|
+ '\\u0f18-\\u0f19'
|
|||
|
|
+ '\\u0f35-\\u0f35'
|
|||
|
|
+ '\\u0f37-\\u0f37'
|
|||
|
|
+ '\\u0f39-\\u0f39'
|
|||
|
|
+ '\\u0f71-\\u0f7e'
|
|||
|
|
+ '\\u0f80-\\u0f84'
|
|||
|
|
+ '\\u0f86-\\u0f87'
|
|||
|
|
+ '\\u0f90-\\u0f97'
|
|||
|
|
+ '\\u0f99-\\u0fbc'
|
|||
|
|
+ '\\u0fc6-\\u0fc6'
|
|||
|
|
+ '\\u102d-\\u1030'
|
|||
|
|
+ '\\u1032-\\u1032'
|
|||
|
|
+ '\\u1036-\\u1037'
|
|||
|
|
+ '\\u1039-\\u1039'
|
|||
|
|
+ '\\u1058-\\u1059'
|
|||
|
|
+ '\\u1160-\\u11ff'
|
|||
|
|
+ '\\u135f-\\u135f'
|
|||
|
|
+ '\\u1712-\\u1714'
|
|||
|
|
+ '\\u1732-\\u1734'
|
|||
|
|
+ '\\u1752-\\u1753'
|
|||
|
|
+ '\\u1772-\\u1773'
|
|||
|
|
+ '\\u17b4-\\u17b5'
|
|||
|
|
+ '\\u17b7-\\u17bd'
|
|||
|
|
+ '\\u17c6-\\u17c6'
|
|||
|
|
+ '\\u17c9-\\u17d3'
|
|||
|
|
+ '\\u17dd-\\u17dd'
|
|||
|
|
+ '\\u180b-\\u180d'
|
|||
|
|
+ '\\u18a9-\\u18a9'
|
|||
|
|
+ '\\u1920-\\u1922'
|
|||
|
|
+ '\\u1927-\\u1928'
|
|||
|
|
+ '\\u1932-\\u1932'
|
|||
|
|
+ '\\u1939-\\u193b'
|
|||
|
|
+ '\\u1a17-\\u1a18'
|
|||
|
|
+ '\\u1b00-\\u1b03'
|
|||
|
|
+ '\\u1b34-\\u1b34'
|
|||
|
|
+ '\\u1b36-\\u1b3a'
|
|||
|
|
+ '\\u1b3c-\\u1b3c'
|
|||
|
|
+ '\\u1b42-\\u1b42'
|
|||
|
|
+ '\\u1b6b-\\u1b73'
|
|||
|
|
+ '\\u1dc0-\\u1dca'
|
|||
|
|
+ '\\u1dfe-\\u1dff'
|
|||
|
|
+ '\\u200b-\\u200f'
|
|||
|
|
+ '\\u202a-\\u202e'
|
|||
|
|
+ '\\u2060-\\u2063'
|
|||
|
|
+ '\\u206a-\\u206f'
|
|||
|
|
+ '\\u20d0-\\u20ef'
|
|||
|
|
+ '\\u302a-\\u302f'
|
|||
|
|
+ '\\u3099-\\u309a'
|
|||
|
|
+ '\\ua806-\\ua806'
|
|||
|
|
+ '\\ua80b-\\ua80b'
|
|||
|
|
+ '\\ua825-\\ua826'
|
|||
|
|
+ '\\ufb1e-\\ufb1e'
|
|||
|
|
+ '\\ufe00-\\ufe0f'
|
|||
|
|
+ '\\ufe20-\\ufe23'
|
|||
|
|
+ '\\ufeff-\\ufeff'
|
|||
|
|
+ '\\ufff9-\\ufffb'
|
|||
|
|
+ ']'
|
|||
|
|
+ '|[\\ud802-\\ud802][\\ude01-\\ude03]'
|
|||
|
|
+ '|[\\ud802-\\ud802][\\ude05-\\ude06]'
|
|||
|
|
+ '|[\\ud802-\\ud802][\\ude0c-\\ude0f]'
|
|||
|
|
+ '|[\\ud802-\\ud802][\\ude38-\\ude3a]'
|
|||
|
|
+ '|[\\ud802-\\ud802][\\ude3f-\\ude3f]'
|
|||
|
|
+ '|[\\ud834-\\ud834][\\udd67-\\udd69]'
|
|||
|
|
+ '|[\\ud834-\\ud834][\\udd73-\\udd82]'
|
|||
|
|
+ '|[\\ud834-\\ud834][\\udd85-\\udd8b]'
|
|||
|
|
+ '|[\\ud834-\\ud834][\\uddaa-\\uddad]'
|
|||
|
|
+ '|[\\ud834-\\ud834][\\ude42-\\ude44]'
|
|||
|
|
+ '|[\\udb40-\\udb40][\\udc01-\\udc01]'
|
|||
|
|
+ '|[\\udb40-\\udb40][\\udc20-\\udc7f]'
|
|||
|
|
+ '|[\\udb40-\\udb40][\\udd00-\\uddef]'
|
|||
|
|
, 'g');
|
|||
|
|
*/
|