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Handle CSI postfix
[mirror_xterm.js.git] / src / Parser.ts
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1import { C0 } from './EscapeSequences';
2import { IInputHandler } from './Interfaces';
1848fff4 3import { CHARSETS } from './Charsets';
659fb90c 4
a31921ae 5const normalStateHandler: {[key: string]: (handler: IInputHandler) => void} = {};
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6normalStateHandler[C0.BEL] = (handler) => handler.bell();
7normalStateHandler[C0.LF] = (handler) => handler.lineFeed();
8normalStateHandler[C0.VT] = normalStateHandler[C0.LF];
9normalStateHandler[C0.FF] = normalStateHandler[C0.LF];
10normalStateHandler[C0.CR] = (handler) => handler.carriageReturn();
665a11ac 11normalStateHandler[C0.BS] = (handler) => handler.backspace();
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12normalStateHandler[C0.HT] = (handler) => handler.tab();
13normalStateHandler[C0.SO] = (handler) => handler.shiftOut();
14normalStateHandler[C0.SI] = (handler) => handler.shiftIn();
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15// TODO: Add ESC and Default cases to normalStateHandler
16
17const csiStateHandler: {[key: string]: (handler: IInputHandler, parser: Parser) => void} = {};
18csiStateHandler['?'] = (_, parser) => parser.setPrefix('?');
19csiStateHandler['>'] = (_, parser) => parser.setPrefix('>');
20csiStateHandler['!'] = (_, parser) => parser.setPrefix('!');
21csiStateHandler['0'] = (_, parser) => parser.setParam(parser.getParam() * 10);
22csiStateHandler['1'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 1);
23csiStateHandler['2'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 2);
24csiStateHandler['3'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 3);
25csiStateHandler['4'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 4);
26csiStateHandler['5'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 5);
27csiStateHandler['6'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 6);
28csiStateHandler['7'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 7);
29csiStateHandler['8'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 8);
30csiStateHandler['9'] = (_, parser) => parser.setParam(parser.getParam() * 10 + 9);
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31csiStateHandler['$'] = (_, parser) => parser.setPostfix('$');
32csiStateHandler['"'] = (_, parser) => parser.setPostfix('"');
33csiStateHandler[' '] = (_, parser) => parser.setPostfix(' ');
34csiStateHandler['\''] = (_, parser) => parser.setPostfix('\'');
35// TODO: Add remaining CSI cases
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36
37enum ParserState {
38 NORMAL = 0,
39 ESCAPED = 1,
40 CSI = 2,
41 OSC = 3,
42 CHARSET = 4,
43 DCS = 5,
44 IGNORE = 6
45}
46
47export class Parser {
48 private state: ParserState;
49
50 // TODO: Remove terminal when handler can do everything
51 constructor(
52 private _inputHandler: IInputHandler,
53 private _terminal: any
54 ) {
55 this.state = ParserState.NORMAL;
56 }
57
58 public parse(data: string) {
59 let l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
60
61 // apply leftover surrogate high from last write
62 if (this._terminal.surrogate_high) {
63 data = this._terminal.surrogate_high + data;
64 this._terminal.surrogate_high = '';
65 }
66
67 for (; i < l; i++) {
68 ch = data[i];
69
70 // FIXME: higher chars than 0xa0 are not allowed in escape sequences
71 // --> maybe move to default
72 code = data.charCodeAt(i);
73 if (0xD800 <= code && code <= 0xDBFF) {
74 // we got a surrogate high
75 // get surrogate low (next 2 bytes)
991b2843 76 low = data.charCodeAt(i + 1);
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77 if (isNaN(low)) {
78 // end of data stream, save surrogate high
79 this._terminal.surrogate_high = ch;
80 continue;
81 }
82 code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
991b2843 83 ch += data.charAt(i + 1);
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84 }
85 // surrogate low - already handled above
86 if (0xDC00 <= code && code <= 0xDFFF)
87 continue;
88
89 if (this.state === ParserState.NORMAL) {
90 if (ch in normalStateHandler) {
91 normalStateHandler[ch](this._inputHandler);
92 // Skip switch statement (eventually everything will be handled this way
93 continue;
94 }
95 }
96
97 switch (this.state) {
98 case ParserState.NORMAL:
99 switch (ch) {
100 case C0.ESC:
101 this.state = ParserState.ESCAPED;
102 break;
103
104 default:
105 // ' '
106 // calculate print space
107 // expensive call, therefore we save width in line buffer
108 ch_width = wcwidth(code);
109
110 if (ch >= ' ') {
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111 if (this._terminal.charset && this._terminal.charset[ch]) {
112 ch = this._terminal.charset[ch];
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113 }
114
991b2843 115 row = this._terminal.y + this._terminal.ybase;
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116
117 // insert combining char in last cell
118 // FIXME: needs handling after cursor jumps
991b2843 119 if (!ch_width && this._terminal.x) {
a31921ae 120 // dont overflow left
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121 if (this._terminal.lines.get(row)[this._terminal.x - 1]) {
122 if (!this._terminal.lines.get(row)[this._terminal.x - 1][2]) {
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123
124 // found empty cell after fullwidth, need to go 2 cells back
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125 if (this._terminal.lines.get(row)[this._terminal.x - 2])
126 this._terminal.lines.get(row)[this._terminal.x - 2][1] += ch;
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127
128 } else {
991b2843 129 this._terminal.lines.get(row)[this._terminal.x - 1][1] += ch;
a31921ae 130 }
991b2843 131 this._terminal.updateRange(this._terminal.y);
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132 }
133 break;
134 }
135
136 // goto next line if ch would overflow
137 // TODO: needs a global min terminal width of 2
991b2843 138 if (this._terminal.x + ch_width - 1 >= this._terminal.cols) {
a31921ae 139 // autowrap - DECAWM
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140 if (this._terminal.wraparoundMode) {
141 this._terminal.x = 0;
142 this._terminal.y++;
143 if (this._terminal.y > this._terminal.scrollBottom) {
144 this._terminal.y--;
145 this._terminal.scroll();
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146 }
147 } else {
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148 this._terminal.x = this._terminal.cols - 1;
149 if (ch_width === 2) // FIXME: check for xterm behavior
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150 continue;
151 }
152 }
991b2843 153 row = this._terminal.y + this._terminal.ybase;
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154
155 // insert mode: move characters to right
991b2843 156 if (this._terminal.insertMode) {
a31921ae 157 // do this twice for a fullwidth char
991b2843 158 for (let moves = 0; moves < ch_width; ++moves) {
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159 // remove last cell, if it's width is 0
160 // we have to adjust the second last cell as well
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161 const removed = this._terminal.lines.get(this._terminal.y + this._terminal.ybase).pop();
162 if (removed[2] === 0
163 && this._terminal.lines.get(row)[this._terminal.cols - 2]
164 && this._terminal.lines.get(row)[this._terminal.cols - 2][2] === 2)
165 this._terminal.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];
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166
167 // insert empty cell at cursor
991b2843 168 this._terminal.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]);
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169 }
170 }
171
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172 this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, ch, ch_width];
173 this._terminal.x++;
174 this._terminal.updateRange(this._terminal.y);
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175
176 // fullwidth char - set next cell width to zero and advance cursor
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177 if (ch_width === 2) {
178 this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0];
179 this._terminal.x++;
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180 }
181 }
182 break;
183 }
184 break;
185 case ParserState.ESCAPED:
186 switch (ch) {
187 // ESC [ Control Sequence Introducer ( CSI is 0x9b).
188 case '[':
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189 this._terminal.params = [];
190 this._terminal.currentParam = 0;
191 this.state = ParserState.CSI;
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192 break;
193
194 // ESC ] Operating System Command ( OSC is 0x9d).
195 case ']':
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196 this._terminal.params = [];
197 this._terminal.currentParam = 0;
198 this.state = ParserState.OSC;
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199 break;
200
201 // ESC P Device Control String ( DCS is 0x90).
202 case 'P':
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203 this._terminal.params = [];
204 this._terminal.currentParam = 0;
205 this.state = ParserState.DCS;
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206 break;
207
208 // ESC _ Application Program Command ( APC is 0x9f).
209 case '_':
210 this.state = ParserState.IGNORE;
211 break;
212
213 // ESC ^ Privacy Message ( PM is 0x9e).
214 case '^':
215 this.state = ParserState.IGNORE;
216 break;
217
218 // ESC c Full Reset (RIS).
219 case 'c':
991b2843 220 this._terminal.reset();
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221 break;
222
223 // ESC E Next Line ( NEL is 0x85).
224 // ESC D Index ( IND is 0x84).
225 case 'E':
991b2843 226 this._terminal.x = 0;
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227 ;
228 case 'D':
991b2843 229 this._terminal.index();
6deaaa8e 230 this.state = ParserState.NORMAL;
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231 break;
232
233 // ESC M Reverse Index ( RI is 0x8d).
234 case 'M':
991b2843 235 this._terminal.reverseIndex();
6deaaa8e 236 this.state = ParserState.NORMAL;
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237 break;
238
239 // ESC % Select default/utf-8 character set.
240 // @ = default, G = utf-8
241 case '%':
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242 // this.charset = null;
243 this._terminal.setgLevel(0);
1848fff4 244 this._terminal.setgCharset(0, CHARSETS.US);
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245 this.state = ParserState.NORMAL;
246 i++;
247 break;
248
249 // ESC (,),*,+,-,. Designate G0-G2 Character Set.
250 case '(': // <-- this seems to get all the attention
251 case ')':
252 case '*':
253 case '+':
254 case '-':
255 case '.':
256 switch (ch) {
257 case '(':
991b2843 258 this._terminal.gcharset = 0;
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259 break;
260 case ')':
991b2843 261 this._terminal.gcharset = 1;
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262 break;
263 case '*':
991b2843 264 this._terminal.gcharset = 2;
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265 break;
266 case '+':
991b2843 267 this._terminal.gcharset = 3;
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268 break;
269 case '-':
991b2843 270 this._terminal.gcharset = 1;
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271 break;
272 case '.':
991b2843 273 this._terminal.gcharset = 2;
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274 break;
275 }
991b2843 276 this.state = ParserState.CHARSET;
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277 break;
278
279 // Designate G3 Character Set (VT300).
280 // A = ISO Latin-1 Supplemental.
281 // Not implemented.
282 case '/':
991b2843 283 this._terminal.gcharset = 3;
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284 this.state = ParserState.CHARSET;
285 i--;
286 break;
287
288 // ESC N
289 // Single Shift Select of G2 Character Set
290 // ( SS2 is 0x8e). This affects next character only.
291 case 'N':
292 break;
293 // ESC O
294 // Single Shift Select of G3 Character Set
295 // ( SS3 is 0x8f). This affects next character only.
296 case 'O':
297 break;
298 // ESC n
299 // Invoke the G2 Character Set as GL (LS2).
300 case 'n':
991b2843 301 this._terminal.setgLevel(2);
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302 break;
303 // ESC o
304 // Invoke the G3 Character Set as GL (LS3).
305 case 'o':
991b2843 306 this._terminal.setgLevel(3);
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307 break;
308 // ESC |
309 // Invoke the G3 Character Set as GR (LS3R).
310 case '|':
991b2843 311 this._terminal.setgLevel(3);
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312 break;
313 // ESC }
314 // Invoke the G2 Character Set as GR (LS2R).
315 case '}':
991b2843 316 this._terminal.setgLevel(2);
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317 break;
318 // ESC ~
319 // Invoke the G1 Character Set as GR (LS1R).
320 case '~':
991b2843 321 this._terminal.setgLevel(1);
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322 break;
323
324 // ESC 7 Save Cursor (DECSC).
325 case '7':
991b2843 326 this._terminal.saveCursor();
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DI
327 this.state = ParserState.NORMAL;
328 break;
329
330 // ESC 8 Restore Cursor (DECRC).
331 case '8':
991b2843 332 this._terminal.restoreCursor();
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333 this.state = ParserState.NORMAL;
334 break;
335
336 // ESC # 3 DEC line height/width
337 case '#':
338 this.state = ParserState.NORMAL;
339 i++;
340 break;
341
342 // ESC H Tab Set (HTS is 0x88).
343 case 'H':
991b2843 344 this._terminal.tabSet();
6deaaa8e 345 this.state = ParserState.NORMAL;
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DI
346 break;
347
348 // ESC = Application Keypad (DECKPAM).
349 case '=':
991b2843
DI
350 this._terminal.log('Serial port requested application keypad.');
351 this._terminal.applicationKeypad = true;
352 this._terminal.viewport.syncScrollArea();
a31921ae
DI
353 this.state = ParserState.NORMAL;
354 break;
355
356 // ESC > Normal Keypad (DECKPNM).
357 case '>':
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DI
358 this._terminal.log('Switching back to normal keypad.');
359 this._terminal.applicationKeypad = false;
360 this._terminal.viewport.syncScrollArea();
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361 this.state = ParserState.NORMAL;
362 break;
363
364 default:
365 this.state = ParserState.NORMAL;
991b2843 366 this._terminal.error('Unknown ESC control: %s.', ch);
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DI
367 break;
368 }
369 break;
370
371 case ParserState.CHARSET:
372 switch (ch) {
373 case '0': // DEC Special Character and Line Drawing Set.
1848fff4 374 cs = CHARSETS.SCLD;
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375 break;
376 case 'A': // UK
1848fff4 377 cs = CHARSETS.UK;
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378 break;
379 case 'B': // United States (USASCII).
1848fff4 380 cs = CHARSETS.US;
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381 break;
382 case '4': // Dutch
1848fff4 383 cs = CHARSETS.Dutch;
a31921ae
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384 break;
385 case 'C': // Finnish
386 case '5':
1848fff4 387 cs = CHARSETS.Finnish;
a31921ae
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388 break;
389 case 'R': // French
1848fff4 390 cs = CHARSETS.French;
a31921ae
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391 break;
392 case 'Q': // FrenchCanadian
1848fff4 393 cs = CHARSETS.FrenchCanadian;
a31921ae
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394 break;
395 case 'K': // German
1848fff4 396 cs = CHARSETS.German;
a31921ae
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397 break;
398 case 'Y': // Italian
1848fff4 399 cs = CHARSETS.Italian;
a31921ae
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400 break;
401 case 'E': // NorwegianDanish
402 case '6':
1848fff4 403 cs = CHARSETS.NorwegianDanish;
a31921ae
DI
404 break;
405 case 'Z': // Spanish
1848fff4 406 cs = CHARSETS.Spanish;
a31921ae
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407 break;
408 case 'H': // Swedish
409 case '7':
1848fff4 410 cs = CHARSETS.Swedish;
a31921ae
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411 break;
412 case '=': // Swiss
1848fff4 413 cs = CHARSETS.Swiss;
a31921ae
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414 break;
415 case '/': // ISOLatin (actually /A)
1848fff4 416 cs = CHARSETS.ISOLatin;
a31921ae
DI
417 i++;
418 break;
419 default: // Default
1848fff4 420 cs = CHARSETS.US;
a31921ae
DI
421 break;
422 }
991b2843
DI
423 this._terminal.setgCharset(this._terminal.gcharset, cs);
424 this._terminal.gcharset = null;
a31921ae
DI
425 this.state = ParserState.NORMAL;
426 break;
427
428 case ParserState.OSC:
429 // OSC Ps ; Pt ST
430 // OSC Ps ; Pt BEL
431 // Set Text Parameters.
432 if (ch === C0.ESC || ch === C0.BEL) {
433 if (ch === C0.ESC) i++;
434
991b2843 435 this._terminal.params.push(this._terminal.currentParam);
a31921ae 436
991b2843 437 switch (this._terminal.params[0]) {
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DI
438 case 0:
439 case 1:
440 case 2:
991b2843
DI
441 if (this._terminal.params[1]) {
442 this._terminal.title = this._terminal.params[1];
443 this._terminal.handleTitle(this._terminal.title);
a31921ae
DI
444 }
445 break;
446 case 3:
447 // set X property
448 break;
449 case 4:
450 case 5:
451 // change dynamic colors
452 break;
453 case 10:
454 case 11:
455 case 12:
456 case 13:
457 case 14:
458 case 15:
459 case 16:
460 case 17:
461 case 18:
462 case 19:
463 // change dynamic ui colors
464 break;
465 case 46:
466 // change log file
467 break;
468 case 50:
469 // dynamic font
470 break;
471 case 51:
472 // emacs shell
473 break;
474 case 52:
475 // manipulate selection data
476 break;
477 case 104:
478 case 105:
479 case 110:
480 case 111:
481 case 112:
482 case 113:
483 case 114:
484 case 115:
485 case 116:
486 case 117:
487 case 118:
488 // reset colors
489 break;
490 }
491
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DI
492 this._terminal.params = [];
493 this._terminal.currentParam = 0;
a31921ae
DI
494 this.state = ParserState.NORMAL;
495 } else {
991b2843 496 if (!this._terminal.params.length) {
a31921ae 497 if (ch >= '0' && ch <= '9') {
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DI
498 this._terminal.currentParam =
499 this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;
a31921ae 500 } else if (ch === ';') {
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DI
501 this._terminal.params.push(this._terminal.currentParam);
502 this._terminal.currentParam = '';
a31921ae
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503 }
504 } else {
991b2843 505 this._terminal.currentParam += ch;
a31921ae
DI
506 }
507 }
508 break;
509
991b2843 510 case ParserState.CSI:
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DI
511 if (ch in csiStateHandler) {
512 csiStateHandler[ch](this._inputHandler, this);
513 // Skip below switch as this has handled these codes (eventually everything will be handled here
a31921ae
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514 break;
515 }
516
991b2843
DI
517 this._terminal.params.push(this._terminal.currentParam);
518 this._terminal.currentParam = 0;
a31921ae
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519
520 // ';'
521 if (ch === ';') break;
522
523 this.state = ParserState.NORMAL;
524
525 switch (ch) {
526 // CSI Ps A
527 // Cursor Up Ps Times (default = 1) (CUU).
528 case 'A':
991b2843 529 this._terminal.cursorUp(this._terminal.params);
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DI
530 break;
531
532 // CSI Ps B
533 // Cursor Down Ps Times (default = 1) (CUD).
534 case 'B':
991b2843 535 this._terminal.cursorDown(this._terminal.params);
a31921ae
DI
536 break;
537
538 // CSI Ps C
539 // Cursor Forward Ps Times (default = 1) (CUF).
540 case 'C':
991b2843 541 this._terminal.cursorForward(this._terminal.params);
a31921ae
DI
542 break;
543
544 // CSI Ps D
545 // Cursor Backward Ps Times (default = 1) (CUB).
546 case 'D':
991b2843 547 this._terminal.cursorBackward(this._terminal.params);
a31921ae
DI
548 break;
549
550 // CSI Ps ; Ps H
551 // Cursor Position [row;column] (default = [1,1]) (CUP).
552 case 'H':
991b2843 553 this._terminal.cursorPos(this._terminal.params);
a31921ae
DI
554 break;
555
556 // CSI Ps J Erase in Display (ED).
557 case 'J':
991b2843 558 this._terminal.eraseInDisplay(this._terminal.params);
a31921ae
DI
559 break;
560
561 // CSI Ps K Erase in Line (EL).
562 case 'K':
991b2843 563 this._terminal.eraseInLine(this._terminal.params);
a31921ae
DI
564 break;
565
566 // CSI Pm m Character Attributes (SGR).
567 case 'm':
991b2843
DI
568 if (!this._terminal.prefix) {
569 this._terminal.charAttributes(this._terminal.params);
a31921ae
DI
570 }
571 break;
572
573 // CSI Ps n Device Status Report (DSR).
574 case 'n':
991b2843
DI
575 if (!this._terminal.prefix) {
576 this._terminal.deviceStatus(this._terminal.params);
a31921ae
DI
577 }
578 break;
579
580 /**
581 * Additions
582 */
583
584 // CSI Ps @
585 // Insert Ps (Blank) Character(s) (default = 1) (ICH).
586 case '@':
991b2843 587 this._terminal.insertChars(this._terminal.params);
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DI
588 break;
589
590 // CSI Ps E
591 // Cursor Next Line Ps Times (default = 1) (CNL).
592 case 'E':
991b2843 593 this._terminal.cursorNextLine(this._terminal.params);
a31921ae
DI
594 break;
595
596 // CSI Ps F
597 // Cursor Preceding Line Ps Times (default = 1) (CNL).
598 case 'F':
991b2843 599 this._terminal.cursorPrecedingLine(this._terminal.params);
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DI
600 break;
601
602 // CSI Ps G
603 // Cursor Character Absolute [column] (default = [row,1]) (CHA).
604 case 'G':
991b2843 605 this._terminal.cursorCharAbsolute(this._terminal.params);
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DI
606 break;
607
608 // CSI Ps L
609 // Insert Ps Line(s) (default = 1) (IL).
610 case 'L':
991b2843 611 this._terminal.insertLines(this._terminal.params);
a31921ae
DI
612 break;
613
614 // CSI Ps M
615 // Delete Ps Line(s) (default = 1) (DL).
616 case 'M':
991b2843 617 this._terminal.deleteLines(this._terminal.params);
a31921ae
DI
618 break;
619
620 // CSI Ps P
621 // Delete Ps Character(s) (default = 1) (DCH).
622 case 'P':
991b2843 623 this._terminal.deleteChars(this._terminal.params);
a31921ae
DI
624 break;
625
626 // CSI Ps X
627 // Erase Ps Character(s) (default = 1) (ECH).
628 case 'X':
991b2843 629 this._terminal.eraseChars(this._terminal.params);
a31921ae
DI
630 break;
631
632 // CSI Pm ` Character Position Absolute
633 // [column] (default = [row,1]) (HPA).
634 case '`':
991b2843 635 this._terminal.charPosAbsolute(this._terminal.params);
a31921ae
DI
636 break;
637
638 // 141 61 a * HPR -
639 // Horizontal Position Relative
640 case 'a':
991b2843 641 this._terminal.HPositionRelative(this._terminal.params);
a31921ae
DI
642 break;
643
644 // CSI P s c
645 // Send Device Attributes (Primary DA).
646 // CSI > P s c
647 // Send Device Attributes (Secondary DA)
648 case 'c':
991b2843 649 this._terminal.sendDeviceAttributes(this._terminal.params);
a31921ae
DI
650 break;
651
652 // CSI Pm d
653 // Line Position Absolute [row] (default = [1,column]) (VPA).
654 case 'd':
991b2843 655 this._terminal.linePosAbsolute(this._terminal.params);
a31921ae
DI
656 break;
657
658 // 145 65 e * VPR - Vertical Position Relative
659 case 'e':
991b2843 660 this._terminal.VPositionRelative(this._terminal.params);
a31921ae
DI
661 break;
662
663 // CSI Ps ; Ps f
664 // Horizontal and Vertical Position [row;column] (default =
665 // [1,1]) (HVP).
666 case 'f':
991b2843 667 this._terminal.HVPosition(this._terminal.params);
a31921ae
DI
668 break;
669
670 // CSI Pm h Set Mode (SM).
671 // CSI ? Pm h - mouse escape codes, cursor escape codes
672 case 'h':
991b2843 673 this._terminal.setMode(this._terminal.params);
a31921ae
DI
674 break;
675
676 // CSI Pm l Reset Mode (RM).
677 // CSI ? Pm l
678 case 'l':
991b2843 679 this._terminal.resetMode(this._terminal.params);
a31921ae
DI
680 break;
681
682 // CSI Ps ; Ps r
683 // Set Scrolling Region [top;bottom] (default = full size of win-
684 // dow) (DECSTBM).
685 // CSI ? Pm r
686 case 'r':
991b2843 687 this._terminal.setScrollRegion(this._terminal.params);
a31921ae
DI
688 break;
689
690 // CSI s
691 // Save cursor (ANSI.SYS).
692 case 's':
991b2843 693 this._terminal.saveCursor(this._terminal.params);
a31921ae
DI
694 break;
695
696 // CSI u
697 // Restore cursor (ANSI.SYS).
698 case 'u':
991b2843 699 this._terminal.restoreCursor(this._terminal.params);
a31921ae
DI
700 break;
701
702 /**
703 * Lesser Used
704 */
705
706 // CSI Ps I
707 // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
708 case 'I':
991b2843 709 this._terminal.cursorForwardTab(this._terminal.params);
a31921ae
DI
710 break;
711
712 // CSI Ps S Scroll up Ps lines (default = 1) (SU).
713 case 'S':
991b2843 714 this._terminal.scrollUp(this._terminal.params);
a31921ae
DI
715 break;
716
717 // CSI Ps T Scroll down Ps lines (default = 1) (SD).
718 // CSI Ps ; Ps ; Ps ; Ps ; Ps T
719 // CSI > Ps; Ps T
720 case 'T':
721 // if (this.prefix === '>') {
722 // this.resetTitleModes(this.params);
723 // break;
724 // }
725 // if (this.params.length > 2) {
726 // this.initMouseTracking(this.params);
727 // break;
728 // }
991b2843
DI
729 if (this._terminal.params.length < 2 && !this._terminal.prefix) {
730 this._terminal.scrollDown(this._terminal.params);
a31921ae
DI
731 }
732 break;
733
734 // CSI Ps Z
735 // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
736 case 'Z':
991b2843 737 this._terminal.cursorBackwardTab(this._terminal.params);
a31921ae
DI
738 break;
739
740 // CSI Ps b Repeat the preceding graphic character Ps times (REP).
741 case 'b':
991b2843 742 this._terminal.repeatPrecedingCharacter(this._terminal.params);
a31921ae
DI
743 break;
744
745 // CSI Ps g Tab Clear (TBC).
746 case 'g':
991b2843 747 this._terminal.tabClear(this._terminal.params);
a31921ae
DI
748 break;
749
750 // CSI Pm i Media Copy (MC).
751 // CSI ? Pm i
752 // case 'i':
753 // this.mediaCopy(this.params);
754 // break;
755
756 // CSI Pm m Character Attributes (SGR).
757 // CSI > Ps; Ps m
758 // case 'm': // duplicate
759 // if (this.prefix === '>') {
760 // this.setResources(this.params);
761 // } else {
762 // this.charAttributes(this.params);
763 // }
764 // break;
765
766 // CSI Ps n Device Status Report (DSR).
767 // CSI > Ps n
768 // case 'n': // duplicate
769 // if (this.prefix === '>') {
770 // this.disableModifiers(this.params);
771 // } else {
772 // this.deviceStatus(this.params);
773 // }
774 // break;
775
776 // CSI > Ps p Set pointer mode.
777 // CSI ! p Soft terminal reset (DECSTR).
778 // CSI Ps$ p
779 // Request ANSI mode (DECRQM).
780 // CSI ? Ps$ p
781 // Request DEC private mode (DECRQM).
782 // CSI Ps ; Ps " p
783 case 'p':
991b2843 784 switch (this._terminal.prefix) {
a31921ae
DI
785 // case '>':
786 // this.setPointerMode(this.params);
787 // break;
788 case '!':
991b2843 789 this._terminal.softReset(this._terminal.params);
a31921ae
DI
790 break;
791 // case '?':
792 // if (this.postfix === '$') {
793 // this.requestPrivateMode(this.params);
794 // }
795 // break;
796 // default:
797 // if (this.postfix === '"') {
798 // this.setConformanceLevel(this.params);
799 // } else if (this.postfix === '$') {
800 // this.requestAnsiMode(this.params);
801 // }
802 // break;
803 }
804 break;
805
806 // CSI Ps q Load LEDs (DECLL).
807 // CSI Ps SP q
808 // CSI Ps " q
809 // case 'q':
810 // if (this.postfix === ' ') {
811 // this.setCursorStyle(this.params);
812 // break;
813 // }
814 // if (this.postfix === '"') {
815 // this.setCharProtectionAttr(this.params);
816 // break;
817 // }
818 // this.loadLEDs(this.params);
819 // break;
820
821 // CSI Ps ; Ps r
822 // Set Scrolling Region [top;bottom] (default = full size of win-
823 // dow) (DECSTBM).
824 // CSI ? Pm r
825 // CSI Pt; Pl; Pb; Pr; Ps$ r
826 // case 'r': // duplicate
827 // if (this.prefix === '?') {
828 // this.restorePrivateValues(this.params);
829 // } else if (this.postfix === '$') {
830 // this.setAttrInRectangle(this.params);
831 // } else {
832 // this.setScrollRegion(this.params);
833 // }
834 // break;
835
836 // CSI s Save cursor (ANSI.SYS).
837 // CSI ? Pm s
838 // case 's': // duplicate
839 // if (this.prefix === '?') {
840 // this.savePrivateValues(this.params);
841 // } else {
842 // this.saveCursor(this.params);
843 // }
844 // break;
845
846 // CSI Ps ; Ps ; Ps t
847 // CSI Pt; Pl; Pb; Pr; Ps$ t
848 // CSI > Ps; Ps t
849 // CSI Ps SP t
850 // case 't':
851 // if (this.postfix === '$') {
852 // this.reverseAttrInRectangle(this.params);
853 // } else if (this.postfix === ' ') {
854 // this.setWarningBellVolume(this.params);
855 // } else {
856 // if (this.prefix === '>') {
857 // this.setTitleModeFeature(this.params);
858 // } else {
859 // this.manipulateWindow(this.params);
860 // }
861 // }
862 // break;
863
864 // CSI u Restore cursor (ANSI.SYS).
865 // CSI Ps SP u
866 // case 'u': // duplicate
867 // if (this.postfix === ' ') {
868 // this.setMarginBellVolume(this.params);
869 // } else {
870 // this.restoreCursor(this.params);
871 // }
872 // break;
873
874 // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
875 // case 'v':
876 // if (this.postfix === '$') {
877 // this.copyRectagle(this.params);
878 // }
879 // break;
880
881 // CSI Pt ; Pl ; Pb ; Pr ' w
882 // case 'w':
883 // if (this.postfix === '\'') {
884 // this.enableFilterRectangle(this.params);
885 // }
886 // break;
887
888 // CSI Ps x Request Terminal Parameters (DECREQTPARM).
889 // CSI Ps x Select Attribute Change Extent (DECSACE).
890 // CSI Pc; Pt; Pl; Pb; Pr$ x
891 // case 'x':
892 // if (this.postfix === '$') {
893 // this.fillRectangle(this.params);
894 // } else {
895 // this.requestParameters(this.params);
896 // //this.__(this.params);
897 // }
898 // break;
899
900 // CSI Ps ; Pu ' z
901 // CSI Pt; Pl; Pb; Pr$ z
902 // case 'z':
903 // if (this.postfix === '\'') {
904 // this.enableLocatorReporting(this.params);
905 // } else if (this.postfix === '$') {
906 // this.eraseRectangle(this.params);
907 // }
908 // break;
909
910 // CSI Pm ' {
911 // CSI Pt; Pl; Pb; Pr$ {
912 // case '{':
913 // if (this.postfix === '\'') {
914 // this.setLocatorEvents(this.params);
915 // } else if (this.postfix === '$') {
916 // this.selectiveEraseRectangle(this.params);
917 // }
918 // break;
919
920 // CSI Ps ' |
921 // case '|':
922 // if (this.postfix === '\'') {
923 // this.requestLocatorPosition(this.params);
924 // }
925 // break;
926
927 // CSI P m SP }
928 // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
929 // case '}':
930 // if (this.postfix === ' ') {
931 // this.insertColumns(this.params);
932 // }
933 // break;
934
935 // CSI P m SP ~
936 // Delete P s Column(s) (default = 1) (DECDC), VT420 and up
937 // case '~':
938 // if (this.postfix === ' ') {
939 // this.deleteColumns(this.params);
940 // }
941 // break;
942
943 default:
991b2843 944 this._terminal.error('Unknown CSI code: %s.', ch);
a31921ae
DI
945 break;
946 }
947
991b2843
DI
948 this._terminal.prefix = '';
949 this._terminal.postfix = '';
a31921ae
DI
950 break;
951
952 case ParserState.DCS:
953 if (ch === C0.ESC || ch === C0.BEL) {
954 if (ch === C0.ESC) i++;
955
991b2843 956 switch (this._terminal.prefix) {
a31921ae
DI
957 // User-Defined Keys (DECUDK).
958 case '':
959 break;
960
961 // Request Status String (DECRQSS).
962 // test: echo -e '\eP$q"p\e\\'
963 case '$q':
991b2843 964 let pt = this._terminal.currentParam
a31921ae
DI
965 , valid = false;
966
967 switch (pt) {
968 // DECSCA
969 case '"q':
970 pt = '0"q';
971 break;
972
973 // DECSCL
974 case '"p':
975 pt = '61"p';
976 break;
977
978 // DECSTBM
979 case 'r':
980 pt = ''
991b2843 981 + (this._terminal.scrollTop + 1)
a31921ae 982 + ';'
991b2843 983 + (this._terminal.scrollBottom + 1)
a31921ae
DI
984 + 'r';
985 break;
986
987 // SGR
988 case 'm':
989 pt = '0m';
990 break;
991
992 default:
991b2843 993 this._terminal.error('Unknown DCS Pt: %s.', pt);
a31921ae
DI
994 pt = '';
995 break;
996 }
997
991b2843 998 this._terminal.send(C0.ESC + 'P' + +valid + '$r' + pt + C0.ESC + '\\');
a31921ae
DI
999 break;
1000
1001 // Set Termcap/Terminfo Data (xterm, experimental).
1002 case '+p':
1003 break;
1004
1005 // Request Termcap/Terminfo String (xterm, experimental)
1006 // Regular xterm does not even respond to this sequence.
1007 // This can cause a small glitch in vim.
1008 // test: echo -ne '\eP+q6b64\e\\'
1009 case '+q':
991b2843
DI
1010 // TODO: Don't declare pt twice
1011 /*let*/ pt = this._terminal.currentParam
a31921ae
DI
1012 , valid = false;
1013
991b2843 1014 this._terminal.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\');
a31921ae
DI
1015 break;
1016
1017 default:
991b2843 1018 this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);
a31921ae
DI
1019 break;
1020 }
1021
991b2843
DI
1022 this._terminal.currentParam = 0;
1023 this._terminal.prefix = '';
a31921ae 1024 this.state = ParserState.NORMAL;
991b2843
DI
1025 } else if (!this._terminal.currentParam) {
1026 if (!this._terminal.prefix && ch !== '$' && ch !== '+') {
1027 this._terminal.currentParam = ch;
1028 } else if (this._terminal.prefix.length === 2) {
1029 this._terminal.currentParam = ch;
a31921ae 1030 } else {
991b2843 1031 this._terminal.prefix += ch;
a31921ae
DI
1032 }
1033 } else {
991b2843 1034 this._terminal.currentParam += ch;
a31921ae
DI
1035 }
1036 break;
1037
1038 case ParserState.IGNORE:
1039 // For PM and APC.
1040 if (ch === C0.ESC || ch === C0.BEL) {
1041 if (ch === C0.ESC) i++;
1042 this.state = ParserState.NORMAL;
1043 }
1044 break;
1045 }
1046 }
1047 }
672dc1a2 1048
635a4d76 1049 public setPrefix(prefix: string): void {
672dc1a2
DI
1050 this._terminal.prefix = prefix;
1051 }
1052
1053 public setParam(param: number) {
1054 this._terminal.currentParam = param;
1055 }
1056
1057 public getParam(): number {
1058 return this._terminal.currentParam;
1059 }
635a4d76
DI
1060
1061 public setPostfix(postfix: string): void {
1062 this._terminal.postfix = postfix;
1063 }
a31921ae 1064}
4a27b9a5 1065
940bd269 1066const wcwidth = (function(opts) {
4a27b9a5
DI
1067 // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
1068 // combining characters
940bd269 1069 const COMBINING = [
4a27b9a5
DI
1070 [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
1071 [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
1072 [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
1073 [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
1074 [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
1075 [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
1076 [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
1077 [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
1078 [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
1079 [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
1080 [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
1081 [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
1082 [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
1083 [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
1084 [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
1085 [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
1086 [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
1087 [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
1088 [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
1089 [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
1090 [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
1091 [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
1092 [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
1093 [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
1094 [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
1095 [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
1096 [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
1097 [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
1098 [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
1099 [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
1100 [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
1101 [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
1102 [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
1103 [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
1104 [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
1105 [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
1106 [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
1107 [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
1108 [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
1109 [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
1110 [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
1111 [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
1112 [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
1113 [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
1114 [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
1115 [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
1116 [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
1117 [0xE0100, 0xE01EF]
1118 ];
1119 // binary search
1120 function bisearch(ucs) {
940bd269
DI
1121 let min = 0;
1122 let max = COMBINING.length - 1;
1123 let mid;
4a27b9a5
DI
1124 if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])
1125 return false;
1126 while (max >= min) {
1127 mid = Math.floor((min + max) / 2);
1128 if (ucs > COMBINING[mid][1])
1129 min = mid + 1;
1130 else if (ucs < COMBINING[mid][0])
1131 max = mid - 1;
1132 else
1133 return true;
1134 }
1135 return false;
1136 }
1137 function wcwidth(ucs) {
1138 // test for 8-bit control characters
1139 if (ucs === 0)
1140 return opts.nul;
1141 if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
1142 return opts.control;
1143 // binary search in table of non-spacing characters
1144 if (bisearch(ucs))
1145 return 0;
1146 // if we arrive here, ucs is not a combining or C0/C1 control character
940bd269
DI
1147 if (isWide(ucs)) {
1148 return 2;
1149 }
1150 return 1;
1151 }
1152 function isWide(ucs) {
1153 return (
1154 ucs >= 0x1100 && (
4a27b9a5 1155 ucs <= 0x115f || // Hangul Jamo init. consonants
940bd269
DI
1156 ucs === 0x2329 ||
1157 ucs === 0x232a ||
1158 (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) || // CJK..Yi
4a27b9a5
DI
1159 (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables
1160 (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs
1161 (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms
1162 (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms
1163 (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms
1164 (ucs >= 0xffe0 && ucs <= 0xffe6) ||
1165 (ucs >= 0x20000 && ucs <= 0x2fffd) ||
940bd269 1166 (ucs >= 0x30000 && ucs <= 0x3fffd)));
4a27b9a5
DI
1167 }
1168 return wcwidth;
1169})({nul: 0, control: 0}); // configurable options