1138 lines
36 KiB
TypeScript
1138 lines
36 KiB
TypeScript
import { C0 } from './EscapeSequences';
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import { IInputHandler } from './Interfaces';
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const normalStateHandler: {[key: string]: (handler: IInputHandler) => void} = {};
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normalStateHandler[C0.BEL] = (handler) => handler.bell();
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normalStateHandler[C0.LF] = (handler) => handler.lineFeed();
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normalStateHandler[C0.VT] = normalStateHandler[C0.LF];
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normalStateHandler[C0.FF] = normalStateHandler[C0.LF];
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normalStateHandler[C0.CR] = (handler) => handler.carriageReturn();
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normalStateHandler[C0.BS] = (handler) => handler.backspace();
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normalStateHandler[C0.HT] = (handler) => handler.tab();
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normalStateHandler[C0.SO] = (handler) => handler.shiftOut();
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normalStateHandler[C0.SI] = (handler) => handler.shiftIn();
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enum ParserState {
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NORMAL = 0,
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ESCAPED = 1,
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CSI = 2,
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OSC = 3,
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CHARSET = 4,
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DCS = 5,
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IGNORE = 6
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}
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export class Parser {
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private state: ParserState;
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// TODO: Remove terminal when handler can do everything
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constructor(
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private _inputHandler: IInputHandler,
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private _terminal: any
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) {
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this.state = ParserState.NORMAL;
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}
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public parse(data: string) {
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let l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
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// apply leftover surrogate high from last write
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if (this._terminal.surrogate_high) {
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data = this._terminal.surrogate_high + data;
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this._terminal.surrogate_high = '';
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}
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for (; i < l; i++) {
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ch = data[i];
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// FIXME: higher chars than 0xa0 are not allowed in escape sequences
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// --> maybe move to default
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code = data.charCodeAt(i);
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if (0xD800 <= code && code <= 0xDBFF) {
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// we got a surrogate high
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// get surrogate low (next 2 bytes)
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low = data.charCodeAt(i+1);
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if (isNaN(low)) {
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// end of data stream, save surrogate high
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this._terminal.surrogate_high = ch;
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continue;
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}
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code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
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ch += data.charAt(i+1);
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}
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// surrogate low - already handled above
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if (0xDC00 <= code && code <= 0xDFFF)
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continue;
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if (this.state === ParserState.NORMAL) {
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if (ch in normalStateHandler) {
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normalStateHandler[ch](this._inputHandler);
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// Skip switch statement (eventually everything will be handled this way
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continue;
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}
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}
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switch (this.state) {
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case ParserState.NORMAL:
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switch (ch) {
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case C0.ESC:
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this.state = ParserState.ESCAPED;
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break;
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default:
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// ' '
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// calculate print space
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// expensive call, therefore we save width in line buffer
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ch_width = wcwidth(code);
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if (ch >= ' ') {
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if (this.charset && this.charset[ch]) {
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ch = this.charset[ch];
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}
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row = this.y + this.ybase;
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// insert combining char in last cell
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// FIXME: needs handling after cursor jumps
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if (!ch_width && this.x) {
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// dont overflow left
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if (this.lines.get(row)[this.x-1]) {
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if (!this.lines.get(row)[this.x-1][2]) {
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// found empty cell after fullwidth, need to go 2 cells back
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if (this.lines.get(row)[this.x-2])
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this.lines.get(row)[this.x-2][1] += ch;
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} else {
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this.lines.get(row)[this.x-1][1] += ch;
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}
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this.updateRange(this.y);
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}
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break;
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}
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// goto next line if ch would overflow
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// TODO: needs a global min terminal width of 2
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if (this.x+ch_width-1 >= this.cols) {
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// autowrap - DECAWM
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if (this.wraparoundMode) {
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this.x = 0;
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this.y++;
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if (this.y > this.scrollBottom) {
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this.y--;
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this.scroll();
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}
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} else {
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this.x = this.cols-1;
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if(ch_width===2) // FIXME: check for xterm behavior
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continue;
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}
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}
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row = this.y + this.ybase;
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// insert mode: move characters to right
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if (this.insertMode) {
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// do this twice for a fullwidth char
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for (var moves=0; moves<ch_width; ++moves) {
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// remove last cell, if it's width is 0
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// we have to adjust the second last cell as well
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var removed = this.lines.get(this.y + this.ybase).pop();
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if (removed[2]===0
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&& this.lines.get(row)[this.cols-2]
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&& this.lines.get(row)[this.cols-2][2]===2)
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this.lines.get(row)[this.cols-2] = [this.curAttr, ' ', 1];
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// insert empty cell at cursor
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this.lines.get(row).splice(this.x, 0, [this.curAttr, ' ', 1]);
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}
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}
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this.lines.get(row)[this.x] = [this.curAttr, ch, ch_width];
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this.x++;
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this.updateRange(this.y);
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// fullwidth char - set next cell width to zero and advance cursor
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if (ch_width===2) {
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this.lines.get(row)[this.x] = [this.curAttr, '', 0];
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this.x++;
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}
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}
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break;
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}
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break;
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case ParserState.ESCAPED:
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switch (ch) {
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// ESC [ Control Sequence Introducer ( CSI is 0x9b).
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case '[':
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this.params = [];
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this.currentParam = 0;
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this.state = csi;
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break;
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// ESC ] Operating System Command ( OSC is 0x9d).
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case ']':
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this.params = [];
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this.currentParam = 0;
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this.state = osc;
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break;
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// ESC P Device Control String ( DCS is 0x90).
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case 'P':
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this.params = [];
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this.currentParam = 0;
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this.state = dcs;
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break;
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// ESC _ Application Program Command ( APC is 0x9f).
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case '_':
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this.state = ParserState.IGNORE;
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break;
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// ESC ^ Privacy Message ( PM is 0x9e).
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case '^':
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this.state = ParserState.IGNORE;
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break;
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// ESC c Full Reset (RIS).
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case 'c':
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this.reset();
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break;
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// ESC E Next Line ( NEL is 0x85).
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// ESC D Index ( IND is 0x84).
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case 'E':
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this.x = 0;
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;
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case 'D':
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this.index();
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break;
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// ESC M Reverse Index ( RI is 0x8d).
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case 'M':
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this.reverseIndex();
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break;
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// ESC % Select default/utf-8 character set.
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// @ = default, G = utf-8
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case '%':
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//this.charset = null;
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this.setgLevel(0);
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this.setgCharset(0, Terminal.charsets.US);
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this.state = ParserState.NORMAL;
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i++;
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break;
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// ESC (,),*,+,-,. Designate G0-G2 Character Set.
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case '(': // <-- this seems to get all the attention
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case ')':
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case '*':
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case '+':
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case '-':
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case '.':
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switch (ch) {
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case '(':
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this.gcharset = 0;
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break;
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case ')':
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this.gcharset = 1;
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break;
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case '*':
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this.gcharset = 2;
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break;
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case '+':
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this.gcharset = 3;
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break;
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case '-':
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this.gcharset = 1;
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break;
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case '.':
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this.gcharset = 2;
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break;
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}
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this.state = charset;
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break;
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// Designate G3 Character Set (VT300).
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// A = ISO Latin-1 Supplemental.
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// Not implemented.
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case '/':
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this.gcharset = 3;
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this.state = ParserState.CHARSET;
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i--;
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break;
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// ESC N
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// Single Shift Select of G2 Character Set
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// ( SS2 is 0x8e). This affects next character only.
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case 'N':
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break;
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// ESC O
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// Single Shift Select of G3 Character Set
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// ( SS3 is 0x8f). This affects next character only.
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case 'O':
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break;
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// ESC n
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// Invoke the G2 Character Set as GL (LS2).
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case 'n':
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this.setgLevel(2);
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break;
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// ESC o
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// Invoke the G3 Character Set as GL (LS3).
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case 'o':
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this.setgLevel(3);
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break;
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// ESC |
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// Invoke the G3 Character Set as GR (LS3R).
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case '|':
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this.setgLevel(3);
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break;
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// ESC }
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// Invoke the G2 Character Set as GR (LS2R).
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case '}':
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this.setgLevel(2);
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break;
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// ESC ~
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// Invoke the G1 Character Set as GR (LS1R).
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case '~':
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this.setgLevel(1);
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break;
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// ESC 7 Save Cursor (DECSC).
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case '7':
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this.saveCursor();
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this.state = ParserState.NORMAL;
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break;
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// ESC 8 Restore Cursor (DECRC).
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case '8':
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this.restoreCursor();
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this.state = ParserState.NORMAL;
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break;
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// ESC # 3 DEC line height/width
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case '#':
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this.state = ParserState.NORMAL;
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i++;
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break;
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// ESC H Tab Set (HTS is 0x88).
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case 'H':
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this.tabSet();
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break;
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// ESC = Application Keypad (DECKPAM).
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case '=':
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this.log('Serial port requested application keypad.');
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this.applicationKeypad = true;
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this.viewport.syncScrollArea();
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this.state = ParserState.NORMAL;
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break;
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// ESC > Normal Keypad (DECKPNM).
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case '>':
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this.log('Switching back to normal keypad.');
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this.applicationKeypad = false;
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this.viewport.syncScrollArea();
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this.state = ParserState.NORMAL;
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break;
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default:
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this.state = ParserState.NORMAL;
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this.error('Unknown ESC control: %s.', ch);
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break;
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}
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break;
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case ParserState.CHARSET:
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switch (ch) {
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case '0': // DEC Special Character and Line Drawing Set.
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cs = Terminal.charsets.SCLD;
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break;
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case 'A': // UK
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cs = Terminal.charsets.UK;
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break;
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case 'B': // United States (USASCII).
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cs = Terminal.charsets.US;
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break;
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case '4': // Dutch
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cs = Terminal.charsets.Dutch;
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break;
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case 'C': // Finnish
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case '5':
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cs = Terminal.charsets.Finnish;
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break;
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case 'R': // French
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cs = Terminal.charsets.French;
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break;
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case 'Q': // FrenchCanadian
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cs = Terminal.charsets.FrenchCanadian;
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break;
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case 'K': // German
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cs = Terminal.charsets.German;
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break;
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case 'Y': // Italian
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cs = Terminal.charsets.Italian;
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break;
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case 'E': // NorwegianDanish
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case '6':
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cs = Terminal.charsets.NorwegianDanish;
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break;
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case 'Z': // Spanish
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cs = Terminal.charsets.Spanish;
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break;
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case 'H': // Swedish
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case '7':
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cs = Terminal.charsets.Swedish;
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break;
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case '=': // Swiss
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cs = Terminal.charsets.Swiss;
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break;
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case '/': // ISOLatin (actually /A)
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cs = Terminal.charsets.ISOLatin;
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i++;
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break;
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default: // Default
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cs = Terminal.charsets.US;
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break;
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}
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this.setgCharset(this.gcharset, cs);
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this.gcharset = null;
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this.state = ParserState.NORMAL;
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break;
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case ParserState.OSC:
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// OSC Ps ; Pt ST
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// OSC Ps ; Pt BEL
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// Set Text Parameters.
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if (ch === C0.ESC || ch === C0.BEL) {
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if (ch === C0.ESC) i++;
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this.params.push(this.currentParam);
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switch (this.params[0]) {
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case 0:
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case 1:
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case 2:
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if (this.params[1]) {
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this.title = this.params[1];
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this.handleTitle(this.title);
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}
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break;
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case 3:
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// set X property
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break;
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case 4:
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case 5:
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// change dynamic colors
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break;
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case 10:
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case 11:
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case 12:
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case 13:
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case 14:
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case 15:
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case 16:
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case 17:
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case 18:
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case 19:
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// change dynamic ui colors
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break;
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case 46:
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// change log file
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break;
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case 50:
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// dynamic font
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break;
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case 51:
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// emacs shell
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break;
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case 52:
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// manipulate selection data
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break;
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case 104:
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case 105:
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case 110:
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case 111:
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case 112:
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case 113:
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case 114:
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case 115:
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case 116:
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case 117:
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case 118:
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// reset colors
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break;
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}
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this.params = [];
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this.currentParam = 0;
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this.state = ParserState.NORMAL;
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} else {
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if (!this.params.length) {
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if (ch >= '0' && ch <= '9') {
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this.currentParam =
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this.currentParam * 10 + ch.charCodeAt(0) - 48;
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} else if (ch === ';') {
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this.params.push(this.currentParam);
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this.currentParam = '';
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}
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} else {
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this.currentParam += ch;
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}
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}
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break;
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case csi:
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// '?', '>', '!'
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if (ch === '?' || ch === '>' || ch === '!') {
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this.prefix = ch;
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break;
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}
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|
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// 0 - 9
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if (ch >= '0' && ch <= '9') {
|
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this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;
|
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break;
|
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}
|
|
|
|
// '$', '"', ' ', '\''
|
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if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
|
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this.postfix = ch;
|
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break;
|
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}
|
|
|
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this.params.push(this.currentParam);
|
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this.currentParam = 0;
|
|
|
|
// ';'
|
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if (ch === ';') break;
|
|
|
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this.state = ParserState.NORMAL;
|
|
|
|
switch (ch) {
|
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// CSI Ps A
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// Cursor Up Ps Times (default = 1) (CUU).
|
|
case 'A':
|
|
this.cursorUp(this.params);
|
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break;
|
|
|
|
// CSI Ps B
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|
// Cursor Down Ps Times (default = 1) (CUD).
|
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case 'B':
|
|
this.cursorDown(this.params);
|
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break;
|
|
|
|
// CSI Ps C
|
|
// Cursor Forward Ps Times (default = 1) (CUF).
|
|
case 'C':
|
|
this.cursorForward(this.params);
|
|
break;
|
|
|
|
// CSI Ps D
|
|
// Cursor Backward Ps Times (default = 1) (CUB).
|
|
case 'D':
|
|
this.cursorBackward(this.params);
|
|
break;
|
|
|
|
// CSI Ps ; Ps H
|
|
// Cursor Position [row;column] (default = [1,1]) (CUP).
|
|
case 'H':
|
|
this.cursorPos(this.params);
|
|
break;
|
|
|
|
// CSI Ps J Erase in Display (ED).
|
|
case 'J':
|
|
this.eraseInDisplay(this.params);
|
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break;
|
|
|
|
// CSI Ps K Erase in Line (EL).
|
|
case 'K':
|
|
this.eraseInLine(this.params);
|
|
break;
|
|
|
|
// CSI Pm m Character Attributes (SGR).
|
|
case 'm':
|
|
if (!this.prefix) {
|
|
this.charAttributes(this.params);
|
|
}
|
|
break;
|
|
|
|
// CSI Ps n Device Status Report (DSR).
|
|
case 'n':
|
|
if (!this.prefix) {
|
|
this.deviceStatus(this.params);
|
|
}
|
|
break;
|
|
|
|
/**
|
|
* Additions
|
|
*/
|
|
|
|
// CSI Ps @
|
|
// Insert Ps (Blank) Character(s) (default = 1) (ICH).
|
|
case '@':
|
|
this.insertChars(this.params);
|
|
break;
|
|
|
|
// CSI Ps E
|
|
// Cursor Next Line Ps Times (default = 1) (CNL).
|
|
case 'E':
|
|
this.cursorNextLine(this.params);
|
|
break;
|
|
|
|
// CSI Ps F
|
|
// Cursor Preceding Line Ps Times (default = 1) (CNL).
|
|
case 'F':
|
|
this.cursorPrecedingLine(this.params);
|
|
break;
|
|
|
|
// CSI Ps G
|
|
// Cursor Character Absolute [column] (default = [row,1]) (CHA).
|
|
case 'G':
|
|
this.cursorCharAbsolute(this.params);
|
|
break;
|
|
|
|
// CSI Ps L
|
|
// Insert Ps Line(s) (default = 1) (IL).
|
|
case 'L':
|
|
this.insertLines(this.params);
|
|
break;
|
|
|
|
// CSI Ps M
|
|
// Delete Ps Line(s) (default = 1) (DL).
|
|
case 'M':
|
|
this.deleteLines(this.params);
|
|
break;
|
|
|
|
// CSI Ps P
|
|
// Delete Ps Character(s) (default = 1) (DCH).
|
|
case 'P':
|
|
this.deleteChars(this.params);
|
|
break;
|
|
|
|
// CSI Ps X
|
|
// Erase Ps Character(s) (default = 1) (ECH).
|
|
case 'X':
|
|
this.eraseChars(this.params);
|
|
break;
|
|
|
|
// CSI Pm ` Character Position Absolute
|
|
// [column] (default = [row,1]) (HPA).
|
|
case '`':
|
|
this.charPosAbsolute(this.params);
|
|
break;
|
|
|
|
// 141 61 a * HPR -
|
|
// Horizontal Position Relative
|
|
case 'a':
|
|
this.HPositionRelative(this.params);
|
|
break;
|
|
|
|
// CSI P s c
|
|
// Send Device Attributes (Primary DA).
|
|
// CSI > P s c
|
|
// Send Device Attributes (Secondary DA)
|
|
case 'c':
|
|
this.sendDeviceAttributes(this.params);
|
|
break;
|
|
|
|
// CSI Pm d
|
|
// Line Position Absolute [row] (default = [1,column]) (VPA).
|
|
case 'd':
|
|
this.linePosAbsolute(this.params);
|
|
break;
|
|
|
|
// 145 65 e * VPR - Vertical Position Relative
|
|
case 'e':
|
|
this.VPositionRelative(this.params);
|
|
break;
|
|
|
|
// CSI Ps ; Ps f
|
|
// Horizontal and Vertical Position [row;column] (default =
|
|
// [1,1]) (HVP).
|
|
case 'f':
|
|
this.HVPosition(this.params);
|
|
break;
|
|
|
|
// CSI Pm h Set Mode (SM).
|
|
// CSI ? Pm h - mouse escape codes, cursor escape codes
|
|
case 'h':
|
|
this.setMode(this.params);
|
|
break;
|
|
|
|
// CSI Pm l Reset Mode (RM).
|
|
// CSI ? Pm l
|
|
case 'l':
|
|
this.resetMode(this.params);
|
|
break;
|
|
|
|
// CSI Ps ; Ps r
|
|
// Set Scrolling Region [top;bottom] (default = full size of win-
|
|
// dow) (DECSTBM).
|
|
// CSI ? Pm r
|
|
case 'r':
|
|
this.setScrollRegion(this.params);
|
|
break;
|
|
|
|
// CSI s
|
|
// Save cursor (ANSI.SYS).
|
|
case 's':
|
|
this.saveCursor(this.params);
|
|
break;
|
|
|
|
// CSI u
|
|
// Restore cursor (ANSI.SYS).
|
|
case 'u':
|
|
this.restoreCursor(this.params);
|
|
break;
|
|
|
|
/**
|
|
* Lesser Used
|
|
*/
|
|
|
|
// CSI Ps I
|
|
// Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
|
|
case 'I':
|
|
this.cursorForwardTab(this.params);
|
|
break;
|
|
|
|
// CSI Ps S Scroll up Ps lines (default = 1) (SU).
|
|
case 'S':
|
|
this.scrollUp(this.params);
|
|
break;
|
|
|
|
// CSI Ps T Scroll down Ps lines (default = 1) (SD).
|
|
// CSI Ps ; Ps ; Ps ; Ps ; Ps T
|
|
// CSI > Ps; Ps T
|
|
case 'T':
|
|
// if (this.prefix === '>') {
|
|
// this.resetTitleModes(this.params);
|
|
// break;
|
|
// }
|
|
// if (this.params.length > 2) {
|
|
// this.initMouseTracking(this.params);
|
|
// break;
|
|
// }
|
|
if (this.params.length < 2 && !this.prefix) {
|
|
this.scrollDown(this.params);
|
|
}
|
|
break;
|
|
|
|
// CSI Ps Z
|
|
// Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
|
|
case 'Z':
|
|
this.cursorBackwardTab(this.params);
|
|
break;
|
|
|
|
// CSI Ps b Repeat the preceding graphic character Ps times (REP).
|
|
case 'b':
|
|
this.repeatPrecedingCharacter(this.params);
|
|
break;
|
|
|
|
// CSI Ps g Tab Clear (TBC).
|
|
case 'g':
|
|
this.tabClear(this.params);
|
|
break;
|
|
|
|
// CSI Pm i Media Copy (MC).
|
|
// CSI ? Pm i
|
|
// case 'i':
|
|
// this.mediaCopy(this.params);
|
|
// break;
|
|
|
|
// CSI Pm m Character Attributes (SGR).
|
|
// CSI > Ps; Ps m
|
|
// case 'm': // duplicate
|
|
// if (this.prefix === '>') {
|
|
// this.setResources(this.params);
|
|
// } else {
|
|
// this.charAttributes(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps n Device Status Report (DSR).
|
|
// CSI > Ps n
|
|
// case 'n': // duplicate
|
|
// if (this.prefix === '>') {
|
|
// this.disableModifiers(this.params);
|
|
// } else {
|
|
// this.deviceStatus(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI > Ps p Set pointer mode.
|
|
// CSI ! p Soft terminal reset (DECSTR).
|
|
// CSI Ps$ p
|
|
// Request ANSI mode (DECRQM).
|
|
// CSI ? Ps$ p
|
|
// Request DEC private mode (DECRQM).
|
|
// CSI Ps ; Ps " p
|
|
case 'p':
|
|
switch (this.prefix) {
|
|
// case '>':
|
|
// this.setPointerMode(this.params);
|
|
// break;
|
|
case '!':
|
|
this.softReset(this.params);
|
|
break;
|
|
// case '?':
|
|
// if (this.postfix === '$') {
|
|
// this.requestPrivateMode(this.params);
|
|
// }
|
|
// break;
|
|
// default:
|
|
// if (this.postfix === '"') {
|
|
// this.setConformanceLevel(this.params);
|
|
// } else if (this.postfix === '$') {
|
|
// this.requestAnsiMode(this.params);
|
|
// }
|
|
// break;
|
|
}
|
|
break;
|
|
|
|
// CSI Ps q Load LEDs (DECLL).
|
|
// CSI Ps SP q
|
|
// CSI Ps " q
|
|
// case 'q':
|
|
// if (this.postfix === ' ') {
|
|
// this.setCursorStyle(this.params);
|
|
// break;
|
|
// }
|
|
// if (this.postfix === '"') {
|
|
// this.setCharProtectionAttr(this.params);
|
|
// break;
|
|
// }
|
|
// this.loadLEDs(this.params);
|
|
// break;
|
|
|
|
// CSI Ps ; Ps r
|
|
// Set Scrolling Region [top;bottom] (default = full size of win-
|
|
// dow) (DECSTBM).
|
|
// CSI ? Pm r
|
|
// CSI Pt; Pl; Pb; Pr; Ps$ r
|
|
// case 'r': // duplicate
|
|
// if (this.prefix === '?') {
|
|
// this.restorePrivateValues(this.params);
|
|
// } else if (this.postfix === '$') {
|
|
// this.setAttrInRectangle(this.params);
|
|
// } else {
|
|
// this.setScrollRegion(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI s Save cursor (ANSI.SYS).
|
|
// CSI ? Pm s
|
|
// case 's': // duplicate
|
|
// if (this.prefix === '?') {
|
|
// this.savePrivateValues(this.params);
|
|
// } else {
|
|
// this.saveCursor(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps ; Ps ; Ps t
|
|
// CSI Pt; Pl; Pb; Pr; Ps$ t
|
|
// CSI > Ps; Ps t
|
|
// CSI Ps SP t
|
|
// case 't':
|
|
// if (this.postfix === '$') {
|
|
// this.reverseAttrInRectangle(this.params);
|
|
// } else if (this.postfix === ' ') {
|
|
// this.setWarningBellVolume(this.params);
|
|
// } else {
|
|
// if (this.prefix === '>') {
|
|
// this.setTitleModeFeature(this.params);
|
|
// } else {
|
|
// this.manipulateWindow(this.params);
|
|
// }
|
|
// }
|
|
// break;
|
|
|
|
// CSI u Restore cursor (ANSI.SYS).
|
|
// CSI Ps SP u
|
|
// case 'u': // duplicate
|
|
// if (this.postfix === ' ') {
|
|
// this.setMarginBellVolume(this.params);
|
|
// } else {
|
|
// this.restoreCursor(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
|
|
// case 'v':
|
|
// if (this.postfix === '$') {
|
|
// this.copyRectagle(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Pt ; Pl ; Pb ; Pr ' w
|
|
// case 'w':
|
|
// if (this.postfix === '\'') {
|
|
// this.enableFilterRectangle(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps x Request Terminal Parameters (DECREQTPARM).
|
|
// CSI Ps x Select Attribute Change Extent (DECSACE).
|
|
// CSI Pc; Pt; Pl; Pb; Pr$ x
|
|
// case 'x':
|
|
// if (this.postfix === '$') {
|
|
// this.fillRectangle(this.params);
|
|
// } else {
|
|
// this.requestParameters(this.params);
|
|
// //this.__(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps ; Pu ' z
|
|
// CSI Pt; Pl; Pb; Pr$ z
|
|
// case 'z':
|
|
// if (this.postfix === '\'') {
|
|
// this.enableLocatorReporting(this.params);
|
|
// } else if (this.postfix === '$') {
|
|
// this.eraseRectangle(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Pm ' {
|
|
// CSI Pt; Pl; Pb; Pr$ {
|
|
// case '{':
|
|
// if (this.postfix === '\'') {
|
|
// this.setLocatorEvents(this.params);
|
|
// } else if (this.postfix === '$') {
|
|
// this.selectiveEraseRectangle(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps ' |
|
|
// case '|':
|
|
// if (this.postfix === '\'') {
|
|
// this.requestLocatorPosition(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI P m SP }
|
|
// Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
|
|
// case '}':
|
|
// if (this.postfix === ' ') {
|
|
// this.insertColumns(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI P m SP ~
|
|
// Delete P s Column(s) (default = 1) (DECDC), VT420 and up
|
|
// case '~':
|
|
// if (this.postfix === ' ') {
|
|
// this.deleteColumns(this.params);
|
|
// }
|
|
// break;
|
|
|
|
default:
|
|
this.error('Unknown CSI code: %s.', ch);
|
|
break;
|
|
}
|
|
|
|
this.prefix = '';
|
|
this.postfix = '';
|
|
break;
|
|
|
|
case ParserState.DCS:
|
|
if (ch === C0.ESC || ch === C0.BEL) {
|
|
if (ch === C0.ESC) i++;
|
|
|
|
switch (this.prefix) {
|
|
// User-Defined Keys (DECUDK).
|
|
case '':
|
|
break;
|
|
|
|
// Request Status String (DECRQSS).
|
|
// test: echo -e '\eP$q"p\e\\'
|
|
case '$q':
|
|
var pt = this.currentParam
|
|
, valid = false;
|
|
|
|
switch (pt) {
|
|
// DECSCA
|
|
case '"q':
|
|
pt = '0"q';
|
|
break;
|
|
|
|
// DECSCL
|
|
case '"p':
|
|
pt = '61"p';
|
|
break;
|
|
|
|
// DECSTBM
|
|
case 'r':
|
|
pt = ''
|
|
+ (this.scrollTop + 1)
|
|
+ ';'
|
|
+ (this.scrollBottom + 1)
|
|
+ 'r';
|
|
break;
|
|
|
|
// SGR
|
|
case 'm':
|
|
pt = '0m';
|
|
break;
|
|
|
|
default:
|
|
this.error('Unknown DCS Pt: %s.', pt);
|
|
pt = '';
|
|
break;
|
|
}
|
|
|
|
this.send(C0.ESC + 'P' + +valid + '$r' + pt + C0.ESC + '\\');
|
|
break;
|
|
|
|
// Set Termcap/Terminfo Data (xterm, experimental).
|
|
case '+p':
|
|
break;
|
|
|
|
// Request Termcap/Terminfo String (xterm, experimental)
|
|
// Regular xterm does not even respond to this sequence.
|
|
// This can cause a small glitch in vim.
|
|
// test: echo -ne '\eP+q6b64\e\\'
|
|
case '+q':
|
|
var pt = this.currentParam
|
|
, valid = false;
|
|
|
|
this.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\');
|
|
break;
|
|
|
|
default:
|
|
this.error('Unknown DCS prefix: %s.', this.prefix);
|
|
break;
|
|
}
|
|
|
|
this.currentParam = 0;
|
|
this.prefix = '';
|
|
this.state = ParserState.NORMAL;
|
|
} else if (!this.currentParam) {
|
|
if (!this.prefix && ch !== '$' && ch !== '+') {
|
|
this.currentParam = ch;
|
|
} else if (this.prefix.length === 2) {
|
|
this.currentParam = ch;
|
|
} else {
|
|
this.prefix += ch;
|
|
}
|
|
} else {
|
|
this.currentParam += ch;
|
|
}
|
|
break;
|
|
|
|
case ParserState.IGNORE:
|
|
// For PM and APC.
|
|
if (ch === C0.ESC || ch === C0.BEL) {
|
|
if (ch === C0.ESC) i++;
|
|
this.state = ParserState.NORMAL;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var wcwidth = (function(opts) {
|
|
// extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
|
|
// combining characters
|
|
var COMBINING = [
|
|
[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]
|
|
];
|
|
// binary search
|
|
function bisearch(ucs) {
|
|
var min = 0;
|
|
var max = COMBINING.length - 1;
|
|
var mid;
|
|
if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])
|
|
return false;
|
|
while (max >= min) {
|
|
mid = Math.floor((min + max) / 2);
|
|
if (ucs > COMBINING[mid][1])
|
|
min = mid + 1;
|
|
else if (ucs < COMBINING[mid][0])
|
|
max = mid - 1;
|
|
else
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
function wcwidth(ucs) {
|
|
// test for 8-bit control characters
|
|
if (ucs === 0)
|
|
return opts.nul;
|
|
if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
|
|
return opts.control;
|
|
// binary search in table of non-spacing characters
|
|
if (bisearch(ucs))
|
|
return 0;
|
|
// if we arrive here, ucs is not a combining or C0/C1 control character
|
|
return 1 +
|
|
(
|
|
ucs >= 0x1100 &&
|
|
(
|
|
ucs <= 0x115f || // Hangul Jamo init. consonants
|
|
ucs == 0x2329 ||
|
|
ucs == 0x232a ||
|
|
(ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || // CJK..Yi
|
|
(ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables
|
|
(ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs
|
|
(ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms
|
|
(ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms
|
|
(ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms
|
|
(ucs >= 0xffe0 && ucs <= 0xffe6) ||
|
|
(ucs >= 0x20000 && ucs <= 0x2fffd) ||
|
|
(ucs >= 0x30000 && ucs <= 0x3fffd)
|
|
)
|
|
);
|
|
}
|
|
return wcwidth;
|
|
})({nul: 0, control: 0}); // configurable options
|