+/**
+ * @license MIT
+ */
+
import { C0 } from './EscapeSequences';
import { IInputHandler } from './Interfaces';
-import { CHARSETS } from './Charsets';
+import { CHARSETS, DEFAULT_CHARSET } from './Charsets';
-const normalStateHandler: {[key: string]: (handler: IInputHandler) => void} = {};
-normalStateHandler[C0.BEL] = (handler) => handler.bell();
-normalStateHandler[C0.LF] = (handler) => handler.lineFeed();
+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] = (handler) => handler.carriageReturn();
-normalStateHandler[C0.BS] = (handler) => handler.backspace();
-normalStateHandler[C0.HT] = (handler) => handler.tab();
-normalStateHandler[C0.SO] = (handler) => handler.shiftOut();
-normalStateHandler[C0.SI] = (handler) => handler.shiftIn();
-// TODO: Add ESC and Default cases to normalStateHandler
+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.setPostfix(' ');
csiParamStateHandler['\''] = (parser) => parser.setPostfix('\'');
csiParamStateHandler[';'] = (parser) => parser.finalizeParam();
-
-const csiStateHandler: {[key: string]: (handler: IInputHandler, params: number[]) => void} = {};
-csiStateHandler['@'] = (handler, params) => handler.insertChars(params);
-csiStateHandler['A'] = (handler, params) => handler.cursorUp(params);
-csiStateHandler['B'] = (handler, params) => handler.cursorDown(params);
-csiStateHandler['C'] = (handler, params) => handler.cursorForward(params);
-csiStateHandler['D'] = (handler, params) => handler.cursorBackward(params);
-csiStateHandler['E'] = (handler, params) => handler.cursorNextLine(params);
-csiStateHandler['F'] = (handler, params) => handler.cursorPrecedingLine(params);
-csiStateHandler['G'] = (handler, params) => handler.cursorCharAbsolute(params);
-csiStateHandler['H'] = (handler, params) => handler.cursorPosition(params);
-csiStateHandler['I'] = (handler, params) => handler.cursorForwardTab(params);
-csiStateHandler['J'] = (handler, params) => handler.eraseInDisplay(params);
-csiStateHandler['K'] = (handler, params) => handler.eraseInLine(params);
-csiStateHandler['L'] = (handler, params) => handler.insertLines(params);
-csiStateHandler['M'] = (handler, params) => handler.deleteLines(params);
-csiStateHandler['P'] = (handler, params) => handler.deleteChars(params);
-csiStateHandler['X'] = (handler, params) => handler.eraseChars(params);
-csiStateHandler['`'] = (handler, params) => handler.charPosAbsolute(params);
-csiStateHandler['a'] = (handler, params) => handler.HPositionRelative(params);
-csiStateHandler['c'] = (handler, params) => handler.sendDeviceAttributes(params);
-csiStateHandler['d'] = (handler, params) => handler.linePosAbsolute(params);
-csiStateHandler['e'] = (handler, params) => handler.VPositionRelative(params);
-csiStateHandler['f'] = (handler, params) => handler.HVPosition(params);
-csiStateHandler['h'] = (handler, params) => handler.setMode(params);
-csiStateHandler['l'] = (handler, params) => handler.resetMode(params);
-csiStateHandler['m'] = (handler, params) => handler.charAttributes(params);
-csiStateHandler['n'] = (handler, params) => handler.deviceStatus(params);
+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);
enum ParserState {
NORMAL = 0,
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 _state: ParserState;
+ private _position: number;
// TODO: Remove terminal when handler can do everything
constructor(
private _inputHandler: IInputHandler,
private _terminal: any
) {
- this.state = ParserState.NORMAL;
+ this._state = ParserState.NORMAL;
}
- public parse(data: string) {
- let l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
+ /**
+ * Parse and handle data.
+ *
+ * @param data The data to parse.
+ */
+ public parse(data: string): ParserState {
+ let l = data.length, j, cs, ch, code, low;
+ 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 (; i < l; i++) {
- ch = data[i];
+ 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(i);
+ code = data.charCodeAt(this._position);
if (0xD800 <= code && code <= 0xDBFF) {
// we got a surrogate high
// get surrogate low (next 2 bytes)
- low = data.charCodeAt(i + 1);
+ 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(i + 1);
+ ch += data.charAt(this._position + 1);
}
// surrogate low - already handled above
if (0xDC00 <= code && code <= 0xDFFF)
continue;
- if (this.state === ParserState.NORMAL) {
- if (ch in normalStateHandler) {
- normalStateHandler[ch](this._inputHandler);
- // Skip switch statement (eventually everything will be handled this way
- continue;
- }
- }
-
- switch (this.state) {
+ switch (this._state) {
case ParserState.NORMAL:
- switch (ch) {
- case C0.ESC:
- this.state = ParserState.ESCAPED;
- break;
-
- default:
- // ' '
- // calculate print space
- // expensive call, therefore we save width in line buffer
- ch_width = wcwidth(code);
-
- if (ch >= ' ') {
- if (this._terminal.charset && this._terminal.charset[ch]) {
- ch = this._terminal.charset[ch];
- }
-
- row = this._terminal.y + this._terminal.ybase;
-
- // insert combining char in last cell
- // FIXME: needs handling after cursor jumps
- if (!ch_width && this._terminal.x) {
- // dont overflow left
- if (this._terminal.lines.get(row)[this._terminal.x - 1]) {
- if (!this._terminal.lines.get(row)[this._terminal.x - 1][2]) {
-
- // found empty cell after fullwidth, need to go 2 cells back
- if (this._terminal.lines.get(row)[this._terminal.x - 2])
- this._terminal.lines.get(row)[this._terminal.x - 2][1] += ch;
-
- } else {
- this._terminal.lines.get(row)[this._terminal.x - 1][1] += ch;
- }
- this._terminal.updateRange(this._terminal.y);
- }
- break;
- }
-
- // goto next line if ch would overflow
- // TODO: needs a global min terminal width of 2
- if (this._terminal.x + ch_width - 1 >= this._terminal.cols) {
- // autowrap - DECAWM
- if (this._terminal.wraparoundMode) {
- this._terminal.x = 0;
- this._terminal.y++;
- if (this._terminal.y > this._terminal.scrollBottom) {
- this._terminal.y--;
- this._terminal.scroll();
- }
- } else {
- this._terminal.x = this._terminal.cols - 1;
- if (ch_width === 2) // FIXME: check for xterm behavior
- continue;
- }
- }
- row = this._terminal.y + this._terminal.ybase;
-
- // insert mode: move characters to right
- if (this._terminal.insertMode) {
- // do this twice for a fullwidth char
- for (let moves = 0; moves < ch_width; ++moves) {
- // remove last cell, if it's width is 0
- // we have to adjust the second last cell as well
- const removed = this._terminal.lines.get(this._terminal.y + this._terminal.ybase).pop();
- if (removed[2] === 0
- && this._terminal.lines.get(row)[this._terminal.cols - 2]
- && this._terminal.lines.get(row)[this._terminal.cols - 2][2] === 2)
- this._terminal.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];
-
- // insert empty cell at cursor
- this._terminal.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]);
- }
- }
-
- this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, ch, ch_width];
- this._terminal.x++;
- this._terminal.updateRange(this._terminal.y);
-
- // fullwidth char - set next cell width to zero and advance cursor
- if (ch_width === 2) {
- this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0];
- this._terminal.x++;
- }
- }
- break;
+ 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 [ Control Sequence Introducer ( CSI is 0x9b).
- case '[':
- this._terminal.params = [];
- this._terminal.currentParam = 0;
- this.state = ParserState.CSI_PARAM;
- break;
-
- // ESC ] Operating System Command ( OSC is 0x9d).
- case ']':
- this._terminal.params = [];
- this._terminal.currentParam = 0;
- this.state = ParserState.OSC;
- break;
-
- // ESC P Device Control String ( DCS is 0x90).
- case 'P':
- this._terminal.params = [];
- this._terminal.currentParam = 0;
- this.state = ParserState.DCS;
- break;
-
- // ESC _ Application Program Command ( APC is 0x9f).
- case '_':
- this.state = ParserState.IGNORE;
- break;
-
- // ESC ^ Privacy Message ( PM is 0x9e).
- case '^':
- this.state = ParserState.IGNORE;
- break;
-
- // ESC c Full Reset (RIS).
- case 'c':
- this._terminal.reset();
- break;
-
- // ESC E Next Line ( NEL is 0x85).
- // ESC D Index ( IND is 0x84).
- case 'E':
- this._terminal.x = 0;
- ;
- case 'D':
- this._terminal.index();
- this.state = ParserState.NORMAL;
- break;
-
- // ESC M Reverse Index ( RI is 0x8d).
- case 'M':
- this._terminal.reverseIndex();
- this.state = ParserState.NORMAL;
- break;
-
- // ESC % Select default/utf-8 character set.
- // @ = default, G = utf-8
- case '%':
- // this.charset = null;
- this._terminal.setgLevel(0);
- this._terminal.setgCharset(0, CHARSETS.US);
- this.state = ParserState.NORMAL;
- i++;
- break;
// ESC (,),*,+,-,. Designate G0-G2 Character Set.
case '(': // <-- this seems to get all the attention
this._terminal.gcharset = 2;
break;
}
- this.state = ParserState.CHARSET;
+ this._state = ParserState.CHARSET;
break;
// Designate G3 Character Set (VT300).
// Not implemented.
case '/':
this._terminal.gcharset = 3;
- this.state = ParserState.CHARSET;
- i--;
+ this._state = ParserState.CHARSET;
+ this._position--;
break;
// ESC N
// ESC 7 Save Cursor (DECSC).
case '7':
- this._terminal.saveCursor();
- this.state = ParserState.NORMAL;
+ this._inputHandler.saveCursor();
+ this._state = ParserState.NORMAL;
break;
// ESC 8 Restore Cursor (DECRC).
case '8':
- this._terminal.restoreCursor();
- this.state = ParserState.NORMAL;
+ this._inputHandler.restoreCursor();
+ this._state = ParserState.NORMAL;
break;
// ESC # 3 DEC line height/width
case '#':
- this.state = ParserState.NORMAL;
- i++;
+ this._state = ParserState.NORMAL;
+ this._position++;
break;
// ESC H Tab Set (HTS is 0x88).
case 'H':
this._terminal.tabSet();
- this.state = ParserState.NORMAL;
+ this._state = ParserState.NORMAL;
break;
// ESC = Application Keypad (DECKPAM).
this._terminal.log('Serial port requested application keypad.');
this._terminal.applicationKeypad = true;
this._terminal.viewport.syncScrollArea();
- this.state = ParserState.NORMAL;
+ this._state = ParserState.NORMAL;
break;
// ESC > Normal Keypad (DECKPNM).
this._terminal.log('Switching back to normal keypad.');
this._terminal.applicationKeypad = false;
this._terminal.viewport.syncScrollArea();
- this.state = ParserState.NORMAL;
+ this._state = ParserState.NORMAL;
break;
default:
- this.state = ParserState.NORMAL;
+ this._state = ParserState.NORMAL;
this._terminal.error('Unknown ESC control: %s.', ch);
break;
}
break;
case ParserState.CHARSET:
- switch (ch) {
- case '0': // DEC Special Character and Line Drawing Set.
- cs = CHARSETS.SCLD;
- break;
- case 'A': // UK
- cs = CHARSETS.UK;
- break;
- case 'B': // United States (USASCII).
- cs = CHARSETS.US;
- break;
- case '4': // Dutch
- cs = CHARSETS.Dutch;
- break;
- case 'C': // Finnish
- case '5':
- cs = CHARSETS.Finnish;
- break;
- case 'R': // French
- cs = CHARSETS.French;
- break;
- case 'Q': // FrenchCanadian
- cs = CHARSETS.FrenchCanadian;
- break;
- case 'K': // German
- cs = CHARSETS.German;
- break;
- case 'Y': // Italian
- cs = CHARSETS.Italian;
- break;
- case 'E': // NorwegianDanish
- case '6':
- cs = CHARSETS.NorwegianDanish;
- break;
- case 'Z': // Spanish
- cs = CHARSETS.Spanish;
- break;
- case 'H': // Swedish
- case '7':
- cs = CHARSETS.Swedish;
- break;
- case '=': // Swiss
- cs = CHARSETS.Swiss;
- break;
- case '/': // ISOLatin (actually /A)
- cs = CHARSETS.ISOLatin;
- i++;
- break;
- default: // Default
- cs = CHARSETS.US;
- break;
+ 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;
+ this._state = ParserState.NORMAL;
break;
case ParserState.OSC:
// OSC Ps ; Pt BEL
// Set Text Parameters.
if (ch === C0.ESC || ch === C0.BEL) {
- if (ch === C0.ESC) i++;
+ if (ch === C0.ESC) this._position++;
this._terminal.params.push(this._terminal.currentParam);
this._terminal.params = [];
this._terminal.currentParam = 0;
- this.state = ParserState.NORMAL;
+ this._state = ParserState.NORMAL;
} else {
if (!this._terminal.params.length) {
if (ch >= '0' && ch <= '9') {
}
this.finalizeParam();
// Fall through the CSI as this character should be the CSI code.
- this.state = ParserState.CSI;
+ this._state = ParserState.CSI;
case ParserState.CSI:
- this.state = ParserState.NORMAL;
-
if (ch in csiStateHandler) {
- csiStateHandler[ch](this._inputHandler, this._terminal.params);
- // Skip below switch as this has handled these codes (eventually everything will be handled here
- break;
- }
-
- switch (ch) {
-
-
- /**
- * Lesser Used
- */
-
- // CSI Ps S Scroll up Ps lines (default = 1) (SU).
- case 'S':
- this._terminal.scrollUp(this._terminal.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._terminal.params.length < 2 && !this._terminal.prefix) {
- this._terminal.scrollDown(this._terminal.params);
- }
- break;
-
- // CSI Ps Z
- // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
- case 'Z':
- this._terminal.cursorBackwardTab(this._terminal.params);
- break;
-
- // CSI Ps b Repeat the preceding graphic character Ps times (REP).
- case 'b':
- this._terminal.repeatPrecedingCharacter(this._terminal.params);
- break;
-
- // CSI Ps g Tab Clear (TBC).
- case 'g':
- this._terminal.tabClear(this._terminal.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._terminal.prefix) {
- // case '>':
- // this.setPointerMode(this.params);
- // break;
- case '!':
- this._terminal.softReset(this._terminal.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._terminal.error('Unknown CSI code: %s.', ch);
- break;
+ 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 : ''} ${ch}`);
+ }
+ csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);
+ } else {
+ this._terminal.error('Unknown CSI code: %s.', ch);
}
+ this._state = ParserState.NORMAL;
this._terminal.prefix = '';
this._terminal.postfix = '';
break;
case ParserState.DCS:
if (ch === C0.ESC || ch === C0.BEL) {
- if (ch === C0.ESC) i++;
+ if (ch === C0.ESC) this._position++;
+ let pt;
+ let valid: boolean;
switch (this._terminal.prefix) {
// User-Defined Keys (DECUDK).
// Request Status String (DECRQSS).
// test: echo -e '\eP$q"p\e\\'
case '$q':
- let pt = this._terminal.currentParam
- , valid = false;
+ pt = this._terminal.currentParam;
+ valid = false;
switch (pt) {
// DECSCA
// DECSTBM
case 'r':
pt = ''
- + (this._terminal.scrollTop + 1)
+ + (this._terminal.buffer.scrollTop + 1)
+ ';'
- + (this._terminal.scrollBottom + 1)
+ + (this._terminal.buffer.scrollBottom + 1)
+ 'r';
break;
// This can cause a small glitch in vim.
// test: echo -ne '\eP+q6b64\e\\'
case '+q':
- // TODO: Don't declare pt twice
- /*let*/ pt = this._terminal.currentParam
- , valid = false;
+ pt = this._terminal.currentParam;
+ valid = false;
this._terminal.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\');
break;
this._terminal.currentParam = 0;
this._terminal.prefix = '';
- this.state = ParserState.NORMAL;
+ this._state = ParserState.NORMAL;
} else if (!this._terminal.currentParam) {
if (!this._terminal.prefix && ch !== '$' && ch !== '+') {
this._terminal.currentParam = ch;
case ParserState.IGNORE:
// For PM and APC.
if (ch === C0.ESC || ch === C0.BEL) {
- if (ch === C0.ESC) i++;
- this.state = ParserState.NORMAL;
+ if (ch === C0.ESC) this._position++;
+ this._state = ParserState.NORMAL;
}
break;
}
}
+ 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) {
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;
}
- public setPostfix(postfix: string): void {
- this._terminal.postfix = postfix;
+ /**
+ * Tell the parser to skip the next character.
+ */
+ public skipNextChar(): void {
+ this._position++;
}
-}
-const wcwidth = (function(opts) {
- // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
- // combining characters
- const 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) {
- let min = 0;
- let max = COMBINING.length - 1;
- let 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
- if (isWide(ucs)) {
- return 2;
- }
- return 1;
- }
- function isWide(ucs) {
- return (
- 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
+ /**
+ * Tell the parser to repeat parsing the current character (for example if it
+ * needs parsing using a different state.
+ */
+ // public repeatChar(): void {
+ // this._position--;
+ // }
+}
projects / mirror_xterm.js.git / blobdiff