5 import { IInputHandler, ITerminal } from './Interfaces';
6 import { C0 } from './EscapeSequences';
7 import { DEFAULT_CHARSET } from './Charsets';
10 * The terminal's standard implementation of IInputHandler, this handles all
11 * input from the Parser.
13 * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand
14 * each function's header comment.
16 export class InputHandler implements IInputHandler {
17 // TODO: We want to type _terminal when it's pulled into TS
18 constructor(private _terminal: any) { }
20 public addChar(char: string, code: number): void {
22 // calculate print space
23 // expensive call, therefore we save width in line buffer
24 const ch_width = wcwidth(code);
26 if (this._terminal.charset && this._terminal.charset[char]) {
27 char = this._terminal.charset[char];
30 let row = this._terminal.y + this._terminal.ybase;
32 // insert combining char in last cell
33 // FIXME: needs handling after cursor jumps
34 if (!ch_width && this._terminal.x) {
36 if (this._terminal.lines.get(row)[this._terminal.x - 1]) {
37 if (!this._terminal.lines.get(row)[this._terminal.x - 1][2]) {
39 // found empty cell after fullwidth, need to go 2 cells back
40 if (this._terminal.lines.get(row)[this._terminal.x - 2])
41 this._terminal.lines.get(row)[this._terminal.x - 2][1] += char;
44 this._terminal.lines.get(row)[this._terminal.x - 1][1] += char;
46 this._terminal.updateRange(this._terminal.y);
51 // goto next line if ch would overflow
52 // TODO: needs a global min terminal width of 2
53 if (this._terminal.x + ch_width - 1 >= this._terminal.cols) {
55 if (this._terminal.wraparoundMode) {
58 if (this._terminal.y > this._terminal.scrollBottom) {
60 this._terminal.scroll();
63 if (ch_width === 2) // FIXME: check for xterm behavior
67 row = this._terminal.y + this._terminal.ybase;
69 // insert mode: move characters to right
70 if (this._terminal.insertMode) {
71 // do this twice for a fullwidth char
72 for (let moves = 0; moves < ch_width; ++moves) {
73 // remove last cell, if it's width is 0
74 // we have to adjust the second last cell as well
75 const removed = this._terminal.lines.get(this._terminal.y + this._terminal.ybase).pop();
77 && this._terminal.lines.get(row)[this._terminal.cols - 2]
78 && this._terminal.lines.get(row)[this._terminal.cols - 2][2] === 2)
79 this._terminal.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];
81 // insert empty cell at cursor
82 this._terminal.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]);
86 this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, char, ch_width];
88 this._terminal.updateRange(this._terminal.y);
90 // fullwidth char - set next cell width to zero and advance cursor
92 this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0];
102 public bell(): void {
103 if (!this._terminal.visualBell) {
106 this._terminal.element.style.borderColor = 'white';
107 setTimeout(() => this._terminal.element.style.borderColor = '', 10);
108 if (this._terminal.popOnBell) {
109 this._terminal.focus();
115 * Line Feed or New Line (NL). (LF is Ctrl-J).
117 public lineFeed(): void {
118 if (this._terminal.convertEol) {
119 this._terminal.x = 0;
122 if (this._terminal.y > this._terminal.scrollBottom) {
124 this._terminal.scroll();
126 // If the end of the line is hit, prevent this action from wrapping around to the next line.
127 if (this._terminal.x >= this._terminal.cols) {
134 * Carriage Return (Ctrl-M).
136 public carriageReturn(): void {
137 this._terminal.x = 0;
142 * Backspace (Ctrl-H).
144 public backspace(): void {
145 if (this._terminal.x > 0) {
152 * Horizontal Tab (HT) (Ctrl-I).
155 this._terminal.x = this._terminal.nextStop();
160 * Shift Out (Ctrl-N) -> Switch to Alternate Character Set. This invokes the
163 public shiftOut(): void {
164 this._terminal.setgLevel(1);
169 * Shift In (Ctrl-O) -> Switch to Standard Character Set. This invokes the G0
170 * character set (the default).
172 public shiftIn(): void {
173 this._terminal.setgLevel(0);
178 * Insert Ps (Blank) Character(s) (default = 1) (ICH).
180 public insertChars(params: number[]): void {
181 let param, row, j, ch;
184 if (param < 1) param = 1;
186 row = this._terminal.y + this._terminal.ybase;
187 j = this._terminal.x;
188 ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
190 while (param-- && j < this._terminal.cols) {
191 this._terminal.lines.get(row).splice(j++, 0, ch);
192 this._terminal.lines.get(row).pop();
198 * Cursor Up Ps Times (default = 1) (CUU).
200 public cursorUp(params: number[]): void {
201 let param = params[0];
205 this._terminal.y -= param;
206 if (this._terminal.y < 0) {
207 this._terminal.y = 0;
213 * Cursor Down Ps Times (default = 1) (CUD).
215 public cursorDown(params: number[]) {
216 let param = params[0];
220 this._terminal.y += param;
221 if (this._terminal.y >= this._terminal.rows) {
222 this._terminal.y = this._terminal.rows - 1;
224 // If the end of the line is hit, prevent this action from wrapping around to the next line.
225 if (this._terminal.x >= this._terminal.cols) {
232 * Cursor Forward Ps Times (default = 1) (CUF).
234 public cursorForward(params: number[]) {
235 let param = params[0];
239 this._terminal.x += param;
240 if (this._terminal.x >= this._terminal.cols) {
241 this._terminal.x = this._terminal.cols - 1;
247 * Cursor Backward Ps Times (default = 1) (CUB).
249 public cursorBackward(params: number[]) {
250 let param = params[0];
254 // If the end of the line is hit, prevent this action from wrapping around to the next line.
255 if (this._terminal.x >= this._terminal.cols) {
258 this._terminal.x -= param;
259 if (this._terminal.x < 0) {
260 this._terminal.x = 0;
266 * Cursor Next Line Ps Times (default = 1) (CNL).
269 public cursorNextLine(params: number[]): void {
270 let param = params[0];
274 this._terminal.y += param;
275 if (this._terminal.y >= this._terminal.rows) {
276 this._terminal.y = this._terminal.rows - 1;
278 this._terminal.x = 0;
284 * Cursor Preceding Line Ps Times (default = 1) (CNL).
287 public cursorPrecedingLine(params: number[]): void {
288 let param = params[0];
292 this._terminal.y -= param;
293 if (this._terminal.y < 0) {
294 this._terminal.y = 0;
296 this._terminal.x = 0;
302 * Cursor Character Absolute [column] (default = [row,1]) (CHA).
304 public cursorCharAbsolute(params: number[]): void {
305 let param = params[0];
309 this._terminal.x = param - 1;
314 * Cursor Position [row;column] (default = [1,1]) (CUP).
316 public cursorPosition(params: number[]): void {
321 if (params.length >= 2) {
329 } else if (row >= this._terminal.rows) {
330 row = this._terminal.rows - 1;
335 } else if (col >= this._terminal.cols) {
336 col = this._terminal.cols - 1;
339 this._terminal.x = col;
340 this._terminal.y = row;
345 * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
347 public cursorForwardTab(params: number[]): void {
348 let param = params[0] || 1;
350 this._terminal.x = this._terminal.nextStop();
355 * CSI Ps J Erase in Display (ED).
356 * Ps = 0 -> Erase Below (default).
357 * Ps = 1 -> Erase Above.
358 * Ps = 2 -> Erase All.
359 * Ps = 3 -> Erase Saved Lines (xterm).
361 * Erase in Display (DECSED).
362 * Ps = 0 -> Selective Erase Below (default).
363 * Ps = 1 -> Selective Erase Above.
364 * Ps = 2 -> Selective Erase All.
366 public eraseInDisplay(params: number[]): void {
370 this._terminal.eraseRight(this._terminal.x, this._terminal.y);
371 j = this._terminal.y + 1;
372 for (; j < this._terminal.rows; j++) {
373 this._terminal.eraseLine(j);
377 this._terminal.eraseLeft(this._terminal.x, this._terminal.y);
378 j = this._terminal.y;
380 this._terminal.eraseLine(j);
384 j = this._terminal.rows;
385 while (j--) this._terminal.eraseLine(j);
388 // Clear scrollback (everything not in viewport)
389 const scrollBackSize = this._terminal.lines.length - this._terminal.rows;
390 if (scrollBackSize > 0) {
391 this._terminal.lines.trimStart(scrollBackSize);
392 this._terminal.ybase = Math.max(this._terminal.ybase - scrollBackSize, 0);
393 this._terminal.ydisp = Math.max(this._terminal.ydisp - scrollBackSize, 0);
400 * CSI Ps K Erase in Line (EL).
401 * Ps = 0 -> Erase to Right (default).
402 * Ps = 1 -> Erase to Left.
403 * Ps = 2 -> Erase All.
405 * Erase in Line (DECSEL).
406 * Ps = 0 -> Selective Erase to Right (default).
407 * Ps = 1 -> Selective Erase to Left.
408 * Ps = 2 -> Selective Erase All.
410 public eraseInLine(params: number[]): void {
413 this._terminal.eraseRight(this._terminal.x, this._terminal.y);
416 this._terminal.eraseLeft(this._terminal.x, this._terminal.y);
419 this._terminal.eraseLine(this._terminal.y);
426 * Insert Ps Line(s) (default = 1) (IL).
428 public insertLines(params: number[]): void {
435 row = this._terminal.y + this._terminal.ybase;
437 j = this._terminal.rows - 1 - this._terminal.scrollBottom;
438 j = this._terminal.rows - 1 + this._terminal.ybase - j + 1;
441 if (this._terminal.lines.length === this._terminal.lines.maxLength) {
442 // Trim the start of lines to make room for the new line
443 this._terminal.lines.trimStart(1);
444 this._terminal.ybase--;
445 this._terminal.ydisp--;
449 // test: echo -e '\e[44m\e[1L\e[0m'
450 // blankLine(true) - xterm/linux behavior
451 this._terminal.lines.splice(row, 0, this._terminal.blankLine(true));
452 this._terminal.lines.splice(j, 1);
456 this._terminal.updateRange(this._terminal.y);
457 this._terminal.updateRange(this._terminal.scrollBottom);
462 * Delete Ps Line(s) (default = 1) (DL).
464 public deleteLines(params: number[]): void {
471 row = this._terminal.y + this._terminal.ybase;
473 j = this._terminal.rows - 1 - this._terminal.scrollBottom;
474 j = this._terminal.rows - 1 + this._terminal.ybase - j;
477 if (this._terminal.lines.length === this._terminal.lines.maxLength) {
478 // Trim the start of lines to make room for the new line
479 this._terminal.lines.trimStart(1);
480 this._terminal.ybase -= 1;
481 this._terminal.ydisp -= 1;
483 // test: echo -e '\e[44m\e[1M\e[0m'
484 // blankLine(true) - xterm/linux behavior
485 this._terminal.lines.splice(j + 1, 0, this._terminal.blankLine(true));
486 this._terminal.lines.splice(row, 1);
490 this._terminal.updateRange(this._terminal.y);
491 this._terminal.updateRange(this._terminal.scrollBottom);
496 * Delete Ps Character(s) (default = 1) (DCH).
498 public deleteChars(params: number[]): void {
506 row = this._terminal.y + this._terminal.ybase;
507 ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
510 this._terminal.lines.get(row).splice(this._terminal.x, 1);
511 this._terminal.lines.get(row).push(ch);
516 * CSI Ps S Scroll up Ps lines (default = 1) (SU).
518 public scrollUp(params: number[]): void {
519 let param = params[0] || 1;
521 this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 1);
522 this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 0, this._terminal.blankLine());
525 this._terminal.updateRange(this._terminal.scrollTop);
526 this._terminal.updateRange(this._terminal.scrollBottom);
530 * CSI Ps T Scroll down Ps lines (default = 1) (SD).
532 public scrollDown(params: number[]): void {
533 let param = params[0] || 1;
535 this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 1);
536 this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 0, this._terminal.blankLine());
539 this._terminal.updateRange(this._terminal.scrollTop);
540 this._terminal.updateRange(this._terminal.scrollBottom);
545 * Erase Ps Character(s) (default = 1) (ECH).
547 public eraseChars(params: number[]): void {
548 let param, row, j, ch;
555 row = this._terminal.y + this._terminal.ybase;
556 j = this._terminal.x;
557 ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
559 while (param-- && j < this._terminal.cols) {
560 this._terminal.lines.get(row)[j++] = ch;
565 * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
567 public cursorBackwardTab(params: number[]): void {
568 let param = params[0] || 1;
570 this._terminal.x = this._terminal.prevStop();
575 * CSI Pm ` Character Position Absolute
576 * [column] (default = [row,1]) (HPA).
578 public charPosAbsolute(params: number[]): void {
579 let param = params[0];
583 this._terminal.x = param - 1;
584 if (this._terminal.x >= this._terminal.cols) {
585 this._terminal.x = this._terminal.cols - 1;
590 * CSI Pm a Character Position Relative
591 * [columns] (default = [row,col+1]) (HPR)
594 public HPositionRelative(params: number[]): void {
595 let param = params[0];
599 this._terminal.x += param;
600 if (this._terminal.x >= this._terminal.cols) {
601 this._terminal.x = this._terminal.cols - 1;
606 * CSI Ps b Repeat the preceding graphic character Ps times (REP).
608 public repeatPrecedingCharacter(params: number[]): void {
609 let param = params[0] || 1
610 , line = this._terminal.lines.get(this._terminal.ybase + this._terminal.y)
611 , ch = line[this._terminal.x - 1] || [this._terminal.defAttr, ' ', 1];
614 line[this._terminal.x++] = ch;
619 * CSI Ps c Send Device Attributes (Primary DA).
620 * Ps = 0 or omitted -> request attributes from terminal. The
621 * response depends on the decTerminalID resource setting.
622 * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')
623 * -> CSI ? 1 ; 0 c (``VT101 with No Options'')
624 * -> CSI ? 6 c (``VT102'')
625 * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')
626 * The VT100-style response parameters do not mean anything by
627 * themselves. VT220 parameters do, telling the host what fea-
628 * tures the terminal supports:
629 * Ps = 1 -> 132-columns.
631 * Ps = 6 -> Selective erase.
632 * Ps = 8 -> User-defined keys.
633 * Ps = 9 -> National replacement character sets.
634 * Ps = 1 5 -> Technical characters.
635 * Ps = 2 2 -> ANSI color, e.g., VT525.
636 * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).
638 * Send Device Attributes (Secondary DA).
639 * Ps = 0 or omitted -> request the terminal's identification
640 * code. The response depends on the decTerminalID resource set-
641 * ting. It should apply only to VT220 and up, but xterm extends
643 * -> CSI > Pp ; Pv ; Pc c
644 * where Pp denotes the terminal type
645 * Pp = 0 -> ``VT100''.
646 * Pp = 1 -> ``VT220''.
647 * and Pv is the firmware version (for xterm, this was originally
648 * the XFree86 patch number, starting with 95). In a DEC termi-
649 * nal, Pc indicates the ROM cartridge registration number and is
652 * xterm/charproc.c - line 2012, for more information.
653 * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
655 public sendDeviceAttributes(params: number[]): void {
660 if (!this._terminal.prefix) {
661 if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {
662 this._terminal.send(C0.ESC + '[?1;2c');
663 } else if (this._terminal.is('linux')) {
664 this._terminal.send(C0.ESC + '[?6c');
666 } else if (this._terminal.prefix === '>') {
669 // out around ~370 times (?).
670 if (this._terminal.is('xterm')) {
671 this._terminal.send(C0.ESC + '[>0;276;0c');
672 } else if (this._terminal.is('rxvt-unicode')) {
673 this._terminal.send(C0.ESC + '[>85;95;0c');
674 } else if (this._terminal.is('linux')) {
675 // not supported by linux console.
676 // linux console echoes parameters.
677 this._terminal.send(params[0] + 'c');
678 } else if (this._terminal.is('screen')) {
679 this._terminal.send(C0.ESC + '[>83;40003;0c');
685 * CSI Pm d Vertical Position Absolute (VPA)
686 * [row] (default = [1,column])
688 public linePosAbsolute(params: number[]): void {
689 let param = params[0];
693 this._terminal.y = param - 1;
694 if (this._terminal.y >= this._terminal.rows) {
695 this._terminal.y = this._terminal.rows - 1;
700 * CSI Pm e Vertical Position Relative (VPR)
701 * [rows] (default = [row+1,column])
704 public VPositionRelative(params: number[]): void {
705 let param = params[0];
709 this._terminal.y += param;
710 if (this._terminal.y >= this._terminal.rows) {
711 this._terminal.y = this._terminal.rows - 1;
713 // If the end of the line is hit, prevent this action from wrapping around to the next line.
714 if (this._terminal.x >= this._terminal.cols) {
721 * Horizontal and Vertical Position [row;column] (default =
724 public HVPosition(params: number[]): void {
725 if (params[0] < 1) params[0] = 1;
726 if (params[1] < 1) params[1] = 1;
728 this._terminal.y = params[0] - 1;
729 if (this._terminal.y >= this._terminal.rows) {
730 this._terminal.y = this._terminal.rows - 1;
733 this._terminal.x = params[1] - 1;
734 if (this._terminal.x >= this._terminal.cols) {
735 this._terminal.x = this._terminal.cols - 1;
740 * CSI Ps g Tab Clear (TBC).
741 * Ps = 0 -> Clear Current Column (default).
742 * Ps = 3 -> Clear All.
744 * Ps = 2 -> Clear Stops on Line.
745 * http://vt100.net/annarbor/aaa-ug/section6.html
747 public tabClear(params: number[]): void {
748 let param = params[0];
750 delete this._terminal.tabs[this._terminal.x];
751 } else if (param === 3) {
752 this._terminal.tabs = {};
757 * CSI Pm h Set Mode (SM).
758 * Ps = 2 -> Keyboard Action Mode (AM).
759 * Ps = 4 -> Insert Mode (IRM).
760 * Ps = 1 2 -> Send/receive (SRM).
761 * Ps = 2 0 -> Automatic Newline (LNM).
763 * DEC Private Mode Set (DECSET).
764 * Ps = 1 -> Application Cursor Keys (DECCKM).
765 * Ps = 2 -> Designate USASCII for character sets G0-G3
766 * (DECANM), and set VT100 mode.
767 * Ps = 3 -> 132 Column Mode (DECCOLM).
768 * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).
769 * Ps = 5 -> Reverse Video (DECSCNM).
770 * Ps = 6 -> Origin Mode (DECOM).
771 * Ps = 7 -> Wraparound Mode (DECAWM).
772 * Ps = 8 -> Auto-repeat Keys (DECARM).
773 * Ps = 9 -> Send Mouse X & Y on button press. See the sec-
774 * tion Mouse Tracking.
775 * Ps = 1 0 -> Show toolbar (rxvt).
776 * Ps = 1 2 -> Start Blinking Cursor (att610).
777 * Ps = 1 8 -> Print form feed (DECPFF).
778 * Ps = 1 9 -> Set print extent to full screen (DECPEX).
779 * Ps = 2 5 -> Show Cursor (DECTCEM).
780 * Ps = 3 0 -> Show scrollbar (rxvt).
781 * Ps = 3 5 -> Enable font-shifting functions (rxvt).
782 * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).
783 * Ps = 4 0 -> Allow 80 -> 132 Mode.
784 * Ps = 4 1 -> more(1) fix (see curses resource).
785 * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-
787 * Ps = 4 4 -> Turn On Margin Bell.
788 * Ps = 4 5 -> Reverse-wraparound Mode.
789 * Ps = 4 6 -> Start Logging. This is normally disabled by a
790 * compile-time option.
791 * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-
792 * abled by the titeInhibit resource).
793 * Ps = 6 6 -> Application keypad (DECNKM).
794 * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).
795 * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and
796 * release. See the section Mouse Tracking.
797 * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.
798 * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.
799 * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.
800 * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.
801 * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.
802 * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).
803 * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).
804 * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit.
805 * (enables the eightBitInput resource).
806 * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-
807 * Lock keys. (This enables the numLock resource).
808 * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This
809 * enables the metaSendsEscape resource).
810 * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete
812 * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This
813 * enables the altSendsEscape resource).
814 * Ps = 1 0 4 0 -> Keep selection even if not highlighted.
815 * (This enables the keepSelection resource).
816 * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables
817 * the selectToClipboard resource).
818 * Ps = 1 0 4 2 -> Enable Urgency window manager hint when
819 * Control-G is received. (This enables the bellIsUrgent
821 * Ps = 1 0 4 3 -> Enable raising of the window when Control-G
822 * is received. (enables the popOnBell resource).
823 * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be
824 * disabled by the titeInhibit resource).
825 * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-
826 * abled by the titeInhibit resource).
827 * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate
828 * Screen Buffer, clearing it first. (This may be disabled by
829 * the titeInhibit resource). This combines the effects of the 1
830 * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based
831 * applications rather than the 4 7 mode.
832 * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.
833 * Ps = 1 0 5 1 -> Set Sun function-key mode.
834 * Ps = 1 0 5 2 -> Set HP function-key mode.
835 * Ps = 1 0 5 3 -> Set SCO function-key mode.
836 * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).
837 * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.
838 * Ps = 2 0 0 4 -> Set bracketed paste mode.
840 * http: *vt100.net/docs/vt220-rm/chapter4.html
842 public setMode(params: number[]): void {
843 if (params.length > 1) {
844 for (let i = 0; i < params.length; i++) {
845 this.setMode([params[i]]);
851 if (!this._terminal.prefix) {
854 this._terminal.insertMode = true;
857 // this._terminal.convertEol = true;
860 } else if (this._terminal.prefix === '?') {
863 this._terminal.applicationCursor = true;
866 this._terminal.setgCharset(0, DEFAULT_CHARSET);
867 this._terminal.setgCharset(1, DEFAULT_CHARSET);
868 this._terminal.setgCharset(2, DEFAULT_CHARSET);
869 this._terminal.setgCharset(3, DEFAULT_CHARSET);
870 // set VT100 mode here
872 case 3: // 132 col mode
873 this._terminal.savedCols = this._terminal.cols;
874 this._terminal.resize(132, this._terminal.rows);
877 this._terminal.originMode = true;
880 this._terminal.wraparoundMode = true;
883 // this.cursorBlink = true;
886 this._terminal.log('Serial port requested application keypad.');
887 this._terminal.applicationKeypad = true;
888 this._terminal.viewport.syncScrollArea();
891 // no release, no motion, no wheel, no modifiers.
892 case 1000: // vt200 mouse
894 // no modifiers, except control on the wheel.
895 case 1002: // button event mouse
896 case 1003: // any event mouse
897 // any event - sends motion events,
898 // even if there is no button held down.
900 // TODO: Why are params[0] compares nested within a switch for params[0]?
902 this._terminal.x10Mouse = params[0] === 9;
903 this._terminal.vt200Mouse = params[0] === 1000;
904 this._terminal.normalMouse = params[0] > 1000;
905 this._terminal.mouseEvents = true;
906 this._terminal.element.style.cursor = 'default';
907 this._terminal.log('Binding to mouse events.');
909 case 1004: // send focusin/focusout events
912 this._terminal.sendFocus = true;
914 case 1005: // utf8 ext mode mouse
915 this._terminal.utfMouse = true;
916 // for wide terminals
917 // simply encodes large values as utf8 characters
919 case 1006: // sgr ext mode mouse
920 this._terminal.sgrMouse = true;
921 // for wide terminals
922 // does not add 32 to fields
924 // release: ^[[<b;x;ym
926 case 1015: // urxvt ext mode mouse
927 this._terminal.urxvtMouse = true;
928 // for wide terminals
929 // numbers for fields
933 case 25: // show cursor
934 this._terminal.cursorHidden = false;
936 case 1049: // alt screen buffer cursor
937 // this._terminal.saveCursor();
939 case 47: // alt screen buffer
940 case 1047: // alt screen buffer
941 if (!this._terminal.normal) {
943 lines: this._terminal.lines,
944 ybase: this._terminal.ybase,
945 ydisp: this._terminal.ydisp,
948 scrollTop: this._terminal.scrollTop,
949 scrollBottom: this._terminal.scrollBottom,
950 tabs: this._terminal.tabs
951 // XXX save charset(s) here?
952 // charset: this._terminal.charset,
953 // glevel: this._terminal.glevel,
954 // charsets: this._terminal.charsets
956 this._terminal.reset();
957 this._terminal.viewport.syncScrollArea();
958 this._terminal.normal = normal;
959 this._terminal.showCursor();
967 * CSI Pm l Reset Mode (RM).
968 * Ps = 2 -> Keyboard Action Mode (AM).
969 * Ps = 4 -> Replace Mode (IRM).
970 * Ps = 1 2 -> Send/receive (SRM).
971 * Ps = 2 0 -> Normal Linefeed (LNM).
973 * DEC Private Mode Reset (DECRST).
974 * Ps = 1 -> Normal Cursor Keys (DECCKM).
975 * Ps = 2 -> Designate VT52 mode (DECANM).
976 * Ps = 3 -> 80 Column Mode (DECCOLM).
977 * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).
978 * Ps = 5 -> Normal Video (DECSCNM).
979 * Ps = 6 -> Normal Cursor Mode (DECOM).
980 * Ps = 7 -> No Wraparound Mode (DECAWM).
981 * Ps = 8 -> No Auto-repeat Keys (DECARM).
982 * Ps = 9 -> Don't send Mouse X & Y on button press.
983 * Ps = 1 0 -> Hide toolbar (rxvt).
984 * Ps = 1 2 -> Stop Blinking Cursor (att610).
985 * Ps = 1 8 -> Don't print form feed (DECPFF).
986 * Ps = 1 9 -> Limit print to scrolling region (DECPEX).
987 * Ps = 2 5 -> Hide Cursor (DECTCEM).
988 * Ps = 3 0 -> Don't show scrollbar (rxvt).
989 * Ps = 3 5 -> Disable font-shifting functions (rxvt).
990 * Ps = 4 0 -> Disallow 80 -> 132 Mode.
991 * Ps = 4 1 -> No more(1) fix (see curses resource).
992 * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-
994 * Ps = 4 4 -> Turn Off Margin Bell.
995 * Ps = 4 5 -> No Reverse-wraparound Mode.
996 * Ps = 4 6 -> Stop Logging. (This is normally disabled by a
997 * compile-time option).
998 * Ps = 4 7 -> Use Normal Screen Buffer.
999 * Ps = 6 6 -> Numeric keypad (DECNKM).
1000 * Ps = 6 7 -> Backarrow key sends delete (DECBKM).
1001 * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and
1002 * release. See the section Mouse Tracking.
1003 * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.
1004 * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.
1005 * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.
1006 * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.
1007 * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.
1008 * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output
1010 * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).
1011 * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables
1012 * the eightBitInput resource).
1013 * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-
1014 * Lock keys. (This disables the numLock resource).
1015 * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.
1016 * (This disables the metaSendsEscape resource).
1017 * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad
1019 * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.
1020 * (This disables the altSendsEscape resource).
1021 * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.
1022 * (This disables the keepSelection resource).
1023 * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables
1024 * the selectToClipboard resource).
1025 * Ps = 1 0 4 2 -> Disable Urgency window manager hint when
1026 * Control-G is received. (This disables the bellIsUrgent
1028 * Ps = 1 0 4 3 -> Disable raising of the window when Control-
1029 * G is received. (This disables the popOnBell resource).
1030 * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen
1031 * first if in the Alternate Screen. (This may be disabled by
1032 * the titeInhibit resource).
1033 * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be
1034 * disabled by the titeInhibit resource).
1035 * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor
1036 * as in DECRC. (This may be disabled by the titeInhibit
1037 * resource). This combines the effects of the 1 0 4 7 and 1 0
1038 * 4 8 modes. Use this with terminfo-based applications rather
1039 * than the 4 7 mode.
1040 * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.
1041 * Ps = 1 0 5 1 -> Reset Sun function-key mode.
1042 * Ps = 1 0 5 2 -> Reset HP function-key mode.
1043 * Ps = 1 0 5 3 -> Reset SCO function-key mode.
1044 * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).
1045 * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.
1046 * Ps = 2 0 0 4 -> Reset bracketed paste mode.
1048 public resetMode(params: number[]): void {
1049 if (params.length > 1) {
1050 for (let i = 0; i < params.length; i++) {
1051 this.resetMode([params[i]]);
1057 if (!this._terminal.prefix) {
1058 switch (params[0]) {
1060 this._terminal.insertMode = false;
1063 // this._terminal.convertEol = false;
1066 } else if (this._terminal.prefix === '?') {
1067 switch (params[0]) {
1069 this._terminal.applicationCursor = false;
1072 if (this._terminal.cols === 132 && this._terminal.savedCols) {
1073 this._terminal.resize(this._terminal.savedCols, this._terminal.rows);
1075 delete this._terminal.savedCols;
1078 this._terminal.originMode = false;
1081 this._terminal.wraparoundMode = false;
1084 // this.cursorBlink = false;
1087 this._terminal.log('Switching back to normal keypad.');
1088 this._terminal.applicationKeypad = false;
1089 this._terminal.viewport.syncScrollArea();
1091 case 9: // X10 Mouse
1092 case 1000: // vt200 mouse
1093 case 1002: // button event mouse
1094 case 1003: // any event mouse
1095 this._terminal.x10Mouse = false;
1096 this._terminal.vt200Mouse = false;
1097 this._terminal.normalMouse = false;
1098 this._terminal.mouseEvents = false;
1099 this._terminal.element.style.cursor = '';
1101 case 1004: // send focusin/focusout events
1102 this._terminal.sendFocus = false;
1104 case 1005: // utf8 ext mode mouse
1105 this._terminal.utfMouse = false;
1107 case 1006: // sgr ext mode mouse
1108 this._terminal.sgrMouse = false;
1110 case 1015: // urxvt ext mode mouse
1111 this._terminal.urxvtMouse = false;
1113 case 25: // hide cursor
1114 this._terminal.cursorHidden = true;
1116 case 1049: // alt screen buffer cursor
1118 case 47: // normal screen buffer
1119 case 1047: // normal screen buffer - clearing it first
1120 if (this._terminal.normal) {
1121 this._terminal.lines = this._terminal.normal.lines;
1122 this._terminal.ybase = this._terminal.normal.ybase;
1123 this._terminal.ydisp = this._terminal.normal.ydisp;
1124 this._terminal.x = this._terminal.normal.x;
1125 this._terminal.y = this._terminal.normal.y;
1126 this._terminal.scrollTop = this._terminal.normal.scrollTop;
1127 this._terminal.scrollBottom = this._terminal.normal.scrollBottom;
1128 this._terminal.tabs = this._terminal.normal.tabs;
1129 this._terminal.normal = null;
1130 // if (params === 1049) {
1131 // this.x = this.savedX;
1132 // this.y = this.savedY;
1134 this._terminal.refresh(0, this._terminal.rows - 1);
1135 this._terminal.viewport.syncScrollArea();
1136 this._terminal.showCursor();
1144 * CSI Pm m Character Attributes (SGR).
1145 * Ps = 0 -> Normal (default).
1147 * Ps = 4 -> Underlined.
1148 * Ps = 5 -> Blink (appears as Bold).
1149 * Ps = 7 -> Inverse.
1150 * Ps = 8 -> Invisible, i.e., hidden (VT300).
1151 * Ps = 2 2 -> Normal (neither bold nor faint).
1152 * Ps = 2 4 -> Not underlined.
1153 * Ps = 2 5 -> Steady (not blinking).
1154 * Ps = 2 7 -> Positive (not inverse).
1155 * Ps = 2 8 -> Visible, i.e., not hidden (VT300).
1156 * Ps = 3 0 -> Set foreground color to Black.
1157 * Ps = 3 1 -> Set foreground color to Red.
1158 * Ps = 3 2 -> Set foreground color to Green.
1159 * Ps = 3 3 -> Set foreground color to Yellow.
1160 * Ps = 3 4 -> Set foreground color to Blue.
1161 * Ps = 3 5 -> Set foreground color to Magenta.
1162 * Ps = 3 6 -> Set foreground color to Cyan.
1163 * Ps = 3 7 -> Set foreground color to White.
1164 * Ps = 3 9 -> Set foreground color to default (original).
1165 * Ps = 4 0 -> Set background color to Black.
1166 * Ps = 4 1 -> Set background color to Red.
1167 * Ps = 4 2 -> Set background color to Green.
1168 * Ps = 4 3 -> Set background color to Yellow.
1169 * Ps = 4 4 -> Set background color to Blue.
1170 * Ps = 4 5 -> Set background color to Magenta.
1171 * Ps = 4 6 -> Set background color to Cyan.
1172 * Ps = 4 7 -> Set background color to White.
1173 * Ps = 4 9 -> Set background color to default (original).
1175 * If 16-color support is compiled, the following apply. Assume
1176 * that xterm's resources are set so that the ISO color codes are
1177 * the first 8 of a set of 16. Then the aixterm colors are the
1178 * bright versions of the ISO colors:
1179 * Ps = 9 0 -> Set foreground color to Black.
1180 * Ps = 9 1 -> Set foreground color to Red.
1181 * Ps = 9 2 -> Set foreground color to Green.
1182 * Ps = 9 3 -> Set foreground color to Yellow.
1183 * Ps = 9 4 -> Set foreground color to Blue.
1184 * Ps = 9 5 -> Set foreground color to Magenta.
1185 * Ps = 9 6 -> Set foreground color to Cyan.
1186 * Ps = 9 7 -> Set foreground color to White.
1187 * Ps = 1 0 0 -> Set background color to Black.
1188 * Ps = 1 0 1 -> Set background color to Red.
1189 * Ps = 1 0 2 -> Set background color to Green.
1190 * Ps = 1 0 3 -> Set background color to Yellow.
1191 * Ps = 1 0 4 -> Set background color to Blue.
1192 * Ps = 1 0 5 -> Set background color to Magenta.
1193 * Ps = 1 0 6 -> Set background color to Cyan.
1194 * Ps = 1 0 7 -> Set background color to White.
1196 * If xterm is compiled with the 16-color support disabled, it
1197 * supports the following, from rxvt:
1198 * Ps = 1 0 0 -> Set foreground and background color to
1201 * If 88- or 256-color support is compiled, the following apply.
1202 * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second
1204 * Ps = 4 8 ; 5 ; Ps -> Set background color to the second
1207 public charAttributes(params: number[]): void {
1208 // Optimize a single SGR0.
1209 if (params.length === 1 && params[0] === 0) {
1210 this._terminal.curAttr = this._terminal.defAttr;
1214 let l = params.length
1216 , flags = this._terminal.curAttr >> 18
1217 , fg = (this._terminal.curAttr >> 9) & 0x1ff
1218 , bg = this._terminal.curAttr & 0x1ff
1221 for (; i < l; i++) {
1223 if (p >= 30 && p <= 37) {
1226 } else if (p >= 40 && p <= 47) {
1229 } else if (p >= 90 && p <= 97) {
1233 } else if (p >= 100 && p <= 107) {
1237 } else if (p === 0) {
1239 flags = this._terminal.defAttr >> 18;
1240 fg = (this._terminal.defAttr >> 9) & 0x1ff;
1241 bg = this._terminal.defAttr & 0x1ff;
1245 } else if (p === 1) {
1248 } else if (p === 4) {
1251 } else if (p === 5) {
1254 } else if (p === 7) {
1255 // inverse and positive
1256 // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
1258 } else if (p === 8) {
1261 } else if (p === 22) {
1264 } else if (p === 24) {
1267 } else if (p === 25) {
1270 } else if (p === 27) {
1273 } else if (p === 28) {
1276 } else if (p === 39) {
1278 fg = (this._terminal.defAttr >> 9) & 0x1ff;
1279 } else if (p === 49) {
1281 bg = this._terminal.defAttr & 0x1ff;
1282 } else if (p === 38) {
1284 if (params[i + 1] === 2) {
1286 fg = this._terminal.matchColor(
1288 params[i + 1] & 0xff,
1289 params[i + 2] & 0xff);
1290 if (fg === -1) fg = 0x1ff;
1292 } else if (params[i + 1] === 5) {
1294 p = params[i] & 0xff;
1297 } else if (p === 48) {
1299 if (params[i + 1] === 2) {
1301 bg = this._terminal.matchColor(
1303 params[i + 1] & 0xff,
1304 params[i + 2] & 0xff);
1305 if (bg === -1) bg = 0x1ff;
1307 } else if (params[i + 1] === 5) {
1309 p = params[i] & 0xff;
1312 } else if (p === 100) {
1314 fg = (this._terminal.defAttr >> 9) & 0x1ff;
1315 bg = this._terminal.defAttr & 0x1ff;
1317 this._terminal.error('Unknown SGR attribute: %d.', p);
1321 this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;
1325 * CSI Ps n Device Status Report (DSR).
1326 * Ps = 5 -> Status Report. Result (``OK'') is
1328 * Ps = 6 -> Report Cursor Position (CPR) [row;column].
1332 * Device Status Report (DSR, DEC-specific).
1333 * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI
1334 * ? r ; c R (assumes page is zero).
1335 * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).
1336 * or CSI ? 1 1 n (not ready).
1337 * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)
1338 * or CSI ? 2 1 n (locked).
1339 * Ps = 2 6 -> Report Keyboard status as
1340 * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).
1341 * The last two parameters apply to VT400 & up, and denote key-
1342 * board ready and LK01 respectively.
1343 * Ps = 5 3 -> Report Locator status as
1344 * CSI ? 5 3 n Locator available, if compiled-in, or
1345 * CSI ? 5 0 n No Locator, if not.
1347 public deviceStatus(params: number[]): void {
1348 if (!this._terminal.prefix) {
1349 switch (params[0]) {
1352 this._terminal.send(C0.ESC + '[0n');
1356 this._terminal.send(C0.ESC + '['
1357 + (this._terminal.y + 1)
1359 + (this._terminal.x + 1)
1363 } else if (this._terminal.prefix === '?') {
1364 // modern xterm doesnt seem to
1365 // respond to any of these except ?6, 6, and 5
1366 switch (params[0]) {
1369 this._terminal.send(C0.ESC + '[?'
1370 + (this._terminal.y + 1)
1372 + (this._terminal.x + 1)
1377 // this.send(C0.ESC + '[?11n');
1380 // dont support user defined keys
1381 // this.send(C0.ESC + '[?21n');
1384 // north american keyboard
1385 // this.send(C0.ESC + '[?27;1;0;0n');
1388 // no dec locator/mouse
1389 // this.send(C0.ESC + '[?50n');
1396 * CSI ! p Soft terminal reset (DECSTR).
1397 * http://vt100.net/docs/vt220-rm/table4-10.html
1399 public softReset(params: number[]): void {
1400 this._terminal.cursorHidden = false;
1401 this._terminal.insertMode = false;
1402 this._terminal.originMode = false;
1403 this._terminal.wraparoundMode = true; // defaults: xterm - true, vt100 - false
1404 this._terminal.applicationKeypad = false; // ?
1405 this._terminal.viewport.syncScrollArea();
1406 this._terminal.applicationCursor = false;
1407 this._terminal.scrollTop = 0;
1408 this._terminal.scrollBottom = this._terminal.rows - 1;
1409 this._terminal.curAttr = this._terminal.defAttr;
1410 this._terminal.x = this._terminal.y = 0; // ?
1411 this._terminal.charset = null;
1412 this._terminal.glevel = 0; // ??
1413 this._terminal.charsets = [null]; // ??
1417 * CSI Ps SP q Set cursor style (DECSCUSR, VT520).
1418 * Ps = 0 -> blinking block.
1419 * Ps = 1 -> blinking block (default).
1420 * Ps = 2 -> steady block.
1421 * Ps = 3 -> blinking underline.
1422 * Ps = 4 -> steady underline.
1423 * Ps = 5 -> blinking bar (xterm).
1424 * Ps = 6 -> steady bar (xterm).
1426 public setCursorStyle(params?: number[]): void {
1427 const param = params[0] < 1 ? 1 : params[0];
1431 this._terminal.setOption('cursorStyle', 'block');
1435 this._terminal.setOption('cursorStyle', 'underline');
1439 this._terminal.setOption('cursorStyle', 'bar');
1442 const isBlinking = param % 2 === 1;
1443 this._terminal.setOption('cursorBlink', isBlinking);
1448 * Set Scrolling Region [top;bottom] (default = full size of win-
1452 public setScrollRegion(params: number[]): void {
1453 if (this._terminal.prefix) return;
1454 this._terminal.scrollTop = (params[0] || 1) - 1;
1455 this._terminal.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;
1456 this._terminal.x = 0;
1457 this._terminal.y = 0;
1463 * Save cursor (ANSI.SYS).
1465 public saveCursor(params: number[]): void {
1466 this._terminal.savedX = this._terminal.x;
1467 this._terminal.savedY = this._terminal.y;
1473 * Restore cursor (ANSI.SYS).
1475 public restoreCursor(params: number[]): void {
1476 this._terminal.x = this._terminal.savedX || 0;
1477 this._terminal.y = this._terminal.savedY || 0;
1481 const wcwidth = (function(opts) {
1482 // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
1483 // combining characters
1485 [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
1486 [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
1487 [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
1488 [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
1489 [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
1490 [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
1491 [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
1492 [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
1493 [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
1494 [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
1495 [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
1496 [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
1497 [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
1498 [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
1499 [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
1500 [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
1501 [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
1502 [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
1503 [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
1504 [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
1505 [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
1506 [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
1507 [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
1508 [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
1509 [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
1510 [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
1511 [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
1512 [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
1513 [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
1514 [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
1515 [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
1516 [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
1517 [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
1518 [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
1519 [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
1520 [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
1521 [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
1522 [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
1523 [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
1524 [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
1525 [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
1526 [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
1527 [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
1528 [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
1529 [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
1530 [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
1531 [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
1535 function bisearch(ucs) {
1537 let max = COMBINING.length - 1;
1539 if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])
1541 while (max >= min) {
1542 mid = Math.floor((min + max) / 2);
1543 if (ucs > COMBINING[mid][1])
1545 else if (ucs < COMBINING[mid][0])
1552 function wcwidth(ucs) {
1553 // test for 8-bit control characters
1556 if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
1557 return opts.control;
1558 // binary search in table of non-spacing characters
1561 // if we arrive here, ucs is not a combining or C0/C1 control character
1567 function isWide(ucs) {
1570 ucs <= 0x115f || // Hangul Jamo init. consonants
1573 (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) || // CJK..Yi
1574 (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables
1575 (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs
1576 (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms
1577 (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms
1578 (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms
1579 (ucs >= 0xffe0 && ucs <= 0xffe6) ||
1580 (ucs >= 0x20000 && ucs <= 0x2fffd) ||
1581 (ucs >= 0x30000 && ucs <= 0x3fffd)));
1584 })({nul: 0, control: 0}); // configurable options