@inst/vscode-bin-darwin
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BINARY ONLY - VSCode binary deployment for macOS
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text/typescript
/**
* Copyright (c) 2014 The xterm.js authors. All rights reserved.
* Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
* @license MIT
*/
import { C0 } from './EscapeSequences';
import { IInputHandler } from './Interfaces';
import { CHARSETS, DEFAULT_CHARSET } from './Charsets';
const normalStateHandler: {[key: string]: (parser: Parser, handler: IInputHandler) => void} = {};
normalStateHandler[C0.BEL] = (parser, handler) => handler.bell();
normalStateHandler[C0.LF] = (parser, handler) => handler.lineFeed();
normalStateHandler[C0.VT] = normalStateHandler[C0.LF];
normalStateHandler[C0.FF] = normalStateHandler[C0.LF];
normalStateHandler[C0.CR] = (parser, handler) => handler.carriageReturn();
normalStateHandler[C0.BS] = (parser, handler) => handler.backspace();
normalStateHandler[C0.HT] = (parser, handler) => handler.tab();
normalStateHandler[C0.SO] = (parser, handler) => handler.shiftOut();
normalStateHandler[C0.SI] = (parser, handler) => handler.shiftIn();
normalStateHandler[C0.ESC] = (parser, handler) => parser.setState(ParserState.ESCAPED);
// TODO: Remove terminal when parser owns params and currentParam
const escapedStateHandler: {[key: string]: (parser: Parser, terminal: any) => void} = {};
escapedStateHandler['['] = (parser, terminal) => {
// ESC [ Control Sequence Introducer (CSI is 0x9b)
terminal.params = [];
terminal.currentParam = 0;
parser.setState(ParserState.CSI_PARAM);
};
escapedStateHandler[']'] = (parser, terminal) => {
// ESC ] Operating System Command (OSC is 0x9d)
terminal.params = [];
terminal.currentParam = 0;
parser.setState(ParserState.OSC);
};
escapedStateHandler['P'] = (parser, terminal) => {
// ESC P Device Control String (DCS is 0x90)
terminal.params = [];
terminal.currentParam = 0;
parser.setState(ParserState.DCS);
};
escapedStateHandler['_'] = (parser, terminal) => {
// ESC _ Application Program Command ( APC is 0x9f).
parser.setState(ParserState.IGNORE);
};
escapedStateHandler['^'] = (parser, terminal) => {
// ESC ^ Privacy Message ( PM is 0x9e).
parser.setState(ParserState.IGNORE);
};
escapedStateHandler['c'] = (parser, terminal) => {
// ESC c Full Reset (RIS).
terminal.reset();
};
escapedStateHandler['E'] = (parser, terminal) => {
// ESC E Next Line ( NEL is 0x85).
terminal.buffer.x = 0;
terminal.index();
parser.setState(ParserState.NORMAL);
};
escapedStateHandler['D'] = (parser, terminal) => {
// ESC D Index ( IND is 0x84).
terminal.index();
parser.setState(ParserState.NORMAL);
};
escapedStateHandler['M'] = (parser, terminal) => {
// ESC M Reverse Index ( RI is 0x8d).
terminal.reverseIndex();
parser.setState(ParserState.NORMAL);
};
escapedStateHandler['%'] = (parser, terminal) => {
// ESC % Select default/utf-8 character set.
// @ = default, G = utf-8
terminal.setgLevel(0);
terminal.setgCharset(0, DEFAULT_CHARSET); // US (default)
parser.setState(ParserState.NORMAL);
parser.skipNextChar();
};
escapedStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);
const csiParamStateHandler: {[key: string]: (parser: Parser) => void} = {};
csiParamStateHandler['?'] = (parser) => parser.setPrefix('?');
csiParamStateHandler['>'] = (parser) => parser.setPrefix('>');
csiParamStateHandler['!'] = (parser) => parser.setPrefix('!');
csiParamStateHandler['0'] = (parser) => parser.setParam(parser.getParam() * 10);
csiParamStateHandler['1'] = (parser) => parser.setParam(parser.getParam() * 10 + 1);
csiParamStateHandler['2'] = (parser) => parser.setParam(parser.getParam() * 10 + 2);
csiParamStateHandler['3'] = (parser) => parser.setParam(parser.getParam() * 10 + 3);
csiParamStateHandler['4'] = (parser) => parser.setParam(parser.getParam() * 10 + 4);
csiParamStateHandler['5'] = (parser) => parser.setParam(parser.getParam() * 10 + 5);
csiParamStateHandler['6'] = (parser) => parser.setParam(parser.getParam() * 10 + 6);
csiParamStateHandler['7'] = (parser) => parser.setParam(parser.getParam() * 10 + 7);
csiParamStateHandler['8'] = (parser) => parser.setParam(parser.getParam() * 10 + 8);
csiParamStateHandler['9'] = (parser) => parser.setParam(parser.getParam() * 10 + 9);
csiParamStateHandler['$'] = (parser) => parser.setPostfix('$');
csiParamStateHandler['"'] = (parser) => parser.setPostfix('"');
csiParamStateHandler[' '] = (parser) => parser.setPostfix(' ');
csiParamStateHandler['\''] = (parser) => parser.setPostfix('\'');
csiParamStateHandler[';'] = (parser) => parser.finalizeParam();
csiParamStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);
const csiStateHandler: {[key: string]: (handler: IInputHandler, params: number[], prefix: string, postfix: string, parser: Parser) => void} = {};
csiStateHandler['@'] = (handler, params, prefix) => handler.insertChars(params);
csiStateHandler['A'] = (handler, params, prefix) => handler.cursorUp(params);
csiStateHandler['B'] = (handler, params, prefix) => handler.cursorDown(params);
csiStateHandler['C'] = (handler, params, prefix) => handler.cursorForward(params);
csiStateHandler['D'] = (handler, params, prefix) => handler.cursorBackward(params);
csiStateHandler['E'] = (handler, params, prefix) => handler.cursorNextLine(params);
csiStateHandler['F'] = (handler, params, prefix) => handler.cursorPrecedingLine(params);
csiStateHandler['G'] = (handler, params, prefix) => handler.cursorCharAbsolute(params);
csiStateHandler['H'] = (handler, params, prefix) => handler.cursorPosition(params);
csiStateHandler['I'] = (handler, params, prefix) => handler.cursorForwardTab(params);
csiStateHandler['J'] = (handler, params, prefix) => handler.eraseInDisplay(params);
csiStateHandler['K'] = (handler, params, prefix) => handler.eraseInLine(params);
csiStateHandler['L'] = (handler, params, prefix) => handler.insertLines(params);
csiStateHandler['M'] = (handler, params, prefix) => handler.deleteLines(params);
csiStateHandler['P'] = (handler, params, prefix) => handler.deleteChars(params);
csiStateHandler['S'] = (handler, params, prefix) => handler.scrollUp(params);
csiStateHandler['T'] = (handler, params, prefix) => {
if (params.length < 2 && !prefix) {
handler.scrollDown(params);
}
};
csiStateHandler['X'] = (handler, params, prefix) => handler.eraseChars(params);
csiStateHandler['Z'] = (handler, params, prefix) => handler.cursorBackwardTab(params);
csiStateHandler['`'] = (handler, params, prefix) => handler.charPosAbsolute(params);
csiStateHandler['a'] = (handler, params, prefix) => handler.HPositionRelative(params);
csiStateHandler['b'] = (handler, params, prefix) => handler.repeatPrecedingCharacter(params);
csiStateHandler['c'] = (handler, params, prefix) => handler.sendDeviceAttributes(params);
csiStateHandler['d'] = (handler, params, prefix) => handler.linePosAbsolute(params);
csiStateHandler['e'] = (handler, params, prefix) => handler.VPositionRelative(params);
csiStateHandler['f'] = (handler, params, prefix) => handler.HVPosition(params);
csiStateHandler['g'] = (handler, params, prefix) => handler.tabClear(params);
csiStateHandler['h'] = (handler, params, prefix) => handler.setMode(params);
csiStateHandler['l'] = (handler, params, prefix) => handler.resetMode(params);
csiStateHandler['m'] = (handler, params, prefix) => handler.charAttributes(params);
csiStateHandler['n'] = (handler, params, prefix) => handler.deviceStatus(params);
csiStateHandler['p'] = (handler, params, prefix) => {
switch (prefix) {
case '!': handler.softReset(params); break;
}
};
csiStateHandler['q'] = (handler, params, prefix, postfix) => {
if (postfix === ' ') {
handler.setCursorStyle(params);
}
};
csiStateHandler['r'] = (handler, params) => handler.setScrollRegion(params);
csiStateHandler['s'] = (handler, params) => handler.saveCursor(params);
csiStateHandler['u'] = (handler, params) => handler.restoreCursor(params);
csiStateHandler[C0.CAN] = (handler, params, prefix, postfix, parser) => parser.setState(ParserState.NORMAL);
export enum ParserState {
NORMAL = 0,
ESCAPED = 1,
CSI_PARAM = 2,
CSI = 3,
OSC = 4,
CHARSET = 5,
DCS = 6,
IGNORE = 7
}
/**
* The terminal's parser, all input into the terminal goes through the parser
* which parses and defers the actual input handling the the IInputHandler
* specified in the constructor.
*/
export class Parser {
private _state: ParserState;
private _position: number;
// TODO: Remove terminal when handler can do everything
constructor(
private _inputHandler: IInputHandler,
private _terminal: any
) {
this._state = ParserState.NORMAL;
}
/**
* Parse and handle data.
*
* @param data The data to parse.
*/
public parse(data: string): ParserState {
const l = data.length;
let j;
let cs;
let ch;
let code;
let low;
const cursorStartX = this._terminal.buffer.x;
const cursorStartY = this._terminal.buffer.y;
if (this._terminal.debug) {
this._terminal.log('data: ' + data);
}
this._position = 0;
// apply leftover surrogate high from last write
if (this._terminal.surrogate_high) {
data = this._terminal.surrogate_high + data;
this._terminal.surrogate_high = '';
}
for (; this._position < l; this._position++) {
ch = data[this._position];
// FIXME: higher chars than 0xa0 are not allowed in escape sequences
// --> maybe move to default
code = data.charCodeAt(this._position);
if (0xD800 <= code && code <= 0xDBFF) {
// we got a surrogate high
// get surrogate low (next 2 bytes)
low = data.charCodeAt(this._position + 1);
if (isNaN(low)) {
// end of data stream, save surrogate high
this._terminal.surrogate_high = ch;
continue;
}
code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
ch += data.charAt(this._position + 1);
}
// surrogate low - already handled above
if (0xDC00 <= code && code <= 0xDFFF)
continue;
switch (this._state) {
case ParserState.NORMAL:
if (ch in normalStateHandler) {
normalStateHandler[ch](this, this._inputHandler);
} else {
this._inputHandler.addChar(ch, code);
}
break;
case ParserState.ESCAPED:
if (ch in escapedStateHandler) {
escapedStateHandler[ch](this, this._terminal);
// Skip switch as it was just handled
break;
}
switch (ch) {
// ESC (,),*,+,-,. Designate G0-G2 Character Set.
case '(': // <-- this seems to get all the attention
case ')':
case '*':
case '+':
case '-':
case '.':
switch (ch) {
case '(':
this._terminal.gcharset = 0;
break;
case ')':
this._terminal.gcharset = 1;
break;
case '*':
this._terminal.gcharset = 2;
break;
case '+':
this._terminal.gcharset = 3;
break;
case '-':
this._terminal.gcharset = 1;
break;
case '.':
this._terminal.gcharset = 2;
break;
}
this._state = ParserState.CHARSET;
break;
// Designate G3 Character Set (VT300).
// A = ISO Latin-1 Supplemental.
// Not implemented.
case '/':
this._terminal.gcharset = 3;
this._state = ParserState.CHARSET;
this._position--;
break;
// ESC N
// Single Shift Select of G2 Character Set
// ( SS2 is 0x8e). This affects next character only.
case 'N':
break;
// ESC O
// Single Shift Select of G3 Character Set
// ( SS3 is 0x8f). This affects next character only.
case 'O':
break;
// ESC n
// Invoke the G2 Character Set as GL (LS2).
case 'n':
this._terminal.setgLevel(2);
break;
// ESC o
// Invoke the G3 Character Set as GL (LS3).
case 'o':
this._terminal.setgLevel(3);
break;
// ESC |
// Invoke the G3 Character Set as GR (LS3R).
case '|':
this._terminal.setgLevel(3);
break;
// ESC }
// Invoke the G2 Character Set as GR (LS2R).
case '}':
this._terminal.setgLevel(2);
break;
// ESC ~
// Invoke the G1 Character Set as GR (LS1R).
case '~':
this._terminal.setgLevel(1);
break;
// ESC 7 Save Cursor (DECSC).
case '7':
this._inputHandler.saveCursor();
this._state = ParserState.NORMAL;
break;
// ESC 8 Restore Cursor (DECRC).
case '8':
this._inputHandler.restoreCursor();
this._state = ParserState.NORMAL;
break;
// ESC # 3 DEC line height/width
case '#':
this._state = ParserState.NORMAL;
this._position++;
break;
// ESC H Tab Set (HTS is 0x88).
case 'H':
this._terminal.tabSet();
this._state = ParserState.NORMAL;
break;
// ESC = Application Keypad (DECKPAM).
case '=':
this._terminal.log('Serial port requested application keypad.');
this._terminal.applicationKeypad = true;
if (this._terminal.viewport) {
this._terminal.viewport.syncScrollArea();
}
this._state = ParserState.NORMAL;
break;
// ESC > Normal Keypad (DECKPNM).
case '>':
this._terminal.log('Switching back to normal keypad.');
this._terminal.applicationKeypad = false;
if (this._terminal.viewport) {
this._terminal.viewport.syncScrollArea();
}
this._state = ParserState.NORMAL;
break;
default:
this._state = ParserState.NORMAL;
this._terminal.error('Unknown ESC control: %s.', ch);
break;
}
break;
case ParserState.CHARSET:
if (ch in CHARSETS) {
cs = CHARSETS[ch];
if (ch === '/') { // ISOLatin is actually /A
this.skipNextChar();
}
} else {
cs = DEFAULT_CHARSET;
}
this._terminal.setgCharset(this._terminal.gcharset, cs);
this._terminal.gcharset = null;
this._state = ParserState.NORMAL;
break;
case ParserState.OSC:
// OSC Ps ; Pt ST
// OSC Ps ; Pt BEL
// Set Text Parameters.
if (ch === C0.ESC || ch === C0.BEL) {
if (ch === C0.ESC) this._position++;
this._terminal.params.push(this._terminal.currentParam);
switch (this._terminal.params[0]) {
case 0:
case 1:
case 2:
if (this._terminal.params[1]) {
this._terminal.title = this._terminal.params[1];
this._terminal.handleTitle(this._terminal.title);
}
break;
case 3:
// set X property
break;
case 4:
case 5:
// change dynamic colors
break;
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
case 16:
case 17:
case 18:
case 19:
// change dynamic ui colors
break;
case 46:
// change log file
break;
case 50:
// dynamic font
break;
case 51:
// emacs shell
break;
case 52:
// manipulate selection data
break;
case 104:
case 105:
case 110:
case 111:
case 112:
case 113:
case 114:
case 115:
case 116:
case 117:
case 118:
// reset colors
break;
}
this._terminal.params = [];
this._terminal.currentParam = 0;
this._state = ParserState.NORMAL;
} else {
if (!this._terminal.params.length) {
if (ch >= '0' && ch <= '9') {
this._terminal.currentParam =
this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;
} else if (ch === ';') {
this._terminal.params.push(this._terminal.currentParam);
this._terminal.currentParam = '';
}
} else {
this._terminal.currentParam += ch;
}
}
break;
case ParserState.CSI_PARAM:
if (ch in csiParamStateHandler) {
csiParamStateHandler[ch](this);
break;
}
this.finalizeParam();
// Fall through the CSI as this character should be the CSI code.
this._state = ParserState.CSI;
case ParserState.CSI:
if (ch in csiStateHandler) {
if (this._terminal.debug) {
this._terminal.log(`CSI ${this._terminal.prefix ? this._terminal.prefix : ''} ${this._terminal.params ? this._terminal.params.join(';') : ''} ${this._terminal.postfix ? this._terminal.postfix : ''} ${ch}`);
}
csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);
} else {
this._terminal.error('Unknown CSI code: %s.', ch);
}
this._state = ParserState.NORMAL;
this._terminal.prefix = '';
this._terminal.postfix = '';
break;
case ParserState.DCS:
if (ch === C0.ESC || ch === C0.BEL) {
if (ch === C0.ESC) this._position++;
let pt;
let valid: boolean;
switch (this._terminal.prefix) {
// User-Defined Keys (DECUDK).
case '':
break;
// Request Status String (DECRQSS).
// test: echo -e '\eP$q"p\e\\'
case '$q':
pt = this._terminal.currentParam;
valid = false;
switch (pt) {
// DECSCA
case '"q':
pt = '0"q';
break;
// DECSCL
case '"p':
pt = '61"p';
break;
// DECSTBM
case 'r':
pt = ''
+ (this._terminal.buffer.scrollTop + 1)
+ ';'
+ (this._terminal.buffer.scrollBottom + 1)
+ 'r';
break;
// SGR
case 'm':
pt = '0m';
break;
default:
this._terminal.error('Unknown DCS Pt: %s.', pt);
pt = '';
break;
}
this._terminal.send(C0.ESC + 'P' + +valid + '$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':
pt = this._terminal.currentParam;
valid = false;
this._terminal.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\');
break;
default:
this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);
break;
}
this._terminal.currentParam = 0;
this._terminal.prefix = '';
this._state = ParserState.NORMAL;
} else if (!this._terminal.currentParam) {
if (!this._terminal.prefix && ch !== '$' && ch !== '+') {
this._terminal.currentParam = ch;
} else if (this._terminal.prefix.length === 2) {
this._terminal.currentParam = ch;
} else {
this._terminal.prefix += ch;
}
} else {
this._terminal.currentParam += ch;
}
break;
case ParserState.IGNORE:
// For PM and APC.
if (ch === C0.ESC || ch === C0.BEL) {
if (ch === C0.ESC) this._position++;
this._state = ParserState.NORMAL;
}
break;
}
}
// Fire the cursormove event if it's moved. This is done inside the parser
// as a render cannot happen in the middle of a parsing round.
if (this._terminal.buffer.x !== cursorStartX || this._terminal.buffer.y !== cursorStartY) {
this._terminal.emit('cursormove');
}
return this._state;
}
/**
* Set the parser's current parsing state.
*
* @param state The new state.
*/
public setState(state: ParserState): void {
this._state = state;
}
/**
* Sets the parsier's current prefix. CSI codes can have prefixes of '?', '>'
* or '!'.
*
* @param prefix The prefix.
*/
public setPrefix(prefix: string): void {
this._terminal.prefix = prefix;
}
/**
* Sets the parsier's current prefix. CSI codes can have postfixes of '$',
* '"', ' ', '\''.
*
* @param postfix The postfix.
*/
public setPostfix(postfix: string): void {
this._terminal.postfix = postfix;
}
/**
* Sets the parser's current parameter.
*
* @param param the parameter.
*/
public setParam(param: number): void {
this._terminal.currentParam = param;
}
/**
* Gets the parser's current parameter.
*/
public getParam(): number {
return this._terminal.currentParam;
}
/**
* Finalizes the parser's current parameter, adding it to the list of
* parameters and setting the new current parameter to 0.
*/
public finalizeParam(): void {
this._terminal.params.push(this._terminal.currentParam);
this._terminal.currentParam = 0;
}
/**
* Tell the parser to skip the next character.
*/
public skipNextChar(): void {
this._position++;
}
/**
* Tell the parser to repeat parsing the current character (for example if it
* needs parsing using a different state.
*/
// public repeatChar(): void {
// this._position--;
// }
}