X-Git-Url: https://git.josue.xyz/?p=VSoRC%2F.git;a=blobdiff_plain;f=node_modules%2Fxterm%2Fsrc%2FInputHandler.ts;fp=node_modules%2Fxterm%2Fsrc%2FInputHandler.ts;h=0000000000000000000000000000000000000000;hp=7b6ea1fedfe1d28c1a86d2c2a294e4fdc8c22dd8;hb=5e96dd57ddd883604e87f62bdddcb111c63a6e1a;hpb=acb5f682a2b75b972710cabd81658f63071324b0 diff --git a/node_modules/xterm/src/InputHandler.ts b/node_modules/xterm/src/InputHandler.ts deleted file mode 100644 index 7b6ea1f..0000000 --- a/node_modules/xterm/src/InputHandler.ts +++ /dev/null @@ -1,2242 +0,0 @@ -/** - * Copyright (c) 2014 The xterm.js authors. All rights reserved. - * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License) - * @license MIT - */ - -import { IInputHandler, IInputHandlingTerminal } from './Types'; -import { C0, C1 } from 'common/data/EscapeSequences'; -import { CHARSETS, DEFAULT_CHARSET } from 'common/data/Charsets'; -import { wcwidth } from 'common/CharWidth'; -import { EscapeSequenceParser } from 'common/parser/EscapeSequenceParser'; -import { Disposable } from 'common/Lifecycle'; -import { concat } from 'common/TypedArrayUtils'; -import { StringToUtf32, stringFromCodePoint, utf32ToString, Utf8ToUtf32 } from 'common/input/TextDecoder'; -import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine'; -import { EventEmitter, IEvent } from 'common/EventEmitter'; -import { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IFunctionIdentifier } from 'common/parser/Types'; -import { NULL_CELL_CODE, NULL_CELL_WIDTH, Attributes, FgFlags, BgFlags, Content } from 'common/buffer/Constants'; -import { CellData } from 'common/buffer/CellData'; -import { AttributeData } from 'common/buffer/AttributeData'; -import { IAttributeData, IDisposable } from 'common/Types'; -import { ICoreService, IBufferService, IOptionsService, ILogService, IDirtyRowService, ICoreMouseService } from 'common/services/Services'; -import { OscHandler } from 'common/parser/OscParser'; -import { DcsHandler } from 'common/parser/DcsParser'; - -/** - * Map collect to glevel. Used in `selectCharset`. - */ -const GLEVEL: {[key: string]: number} = {'(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2}; - -/** - * Max length of the UTF32 input buffer. Real memory consumption is 4 times higher. - */ -const MAX_PARSEBUFFER_LENGTH = 131072; - - -/** - * DCS subparser implementations - */ - -/** - * DCS $ q Pt ST - * DECRQSS (https://vt100.net/docs/vt510-rm/DECRQSS.html) - * Request Status String (DECRQSS), VT420 and up. - * Response: DECRPSS (https://vt100.net/docs/vt510-rm/DECRPSS.html) - */ -class DECRQSS implements IDcsHandler { - private _data: Uint32Array = new Uint32Array(0); - - constructor( - private _bufferService: IBufferService, - private _coreService: ICoreService, - private _logService: ILogService, - private _optionsService: IOptionsService - ) { } - - hook(params: IParams): void { - this._data = new Uint32Array(0); - } - - put(data: Uint32Array, start: number, end: number): void { - this._data = concat(this._data, data.subarray(start, end)); - } - - unhook(success: boolean): void { - if (!success) { - this._data = new Uint32Array(0); - return; - } - const data = utf32ToString(this._data); - this._data = new Uint32Array(0); - switch (data) { - // valid: DCS 1 $ r Pt ST (xterm) - case '"q': // DECSCA - return this._coreService.triggerDataEvent(`${C0.ESC}P1$r0"q${C0.ESC}\\`); - case '"p': // DECSCL - return this._coreService.triggerDataEvent(`${C0.ESC}P1$r61"p${C0.ESC}\\`); - case 'r': // DECSTBM - const pt = '' + (this._bufferService.buffer.scrollTop + 1) + - ';' + (this._bufferService.buffer.scrollBottom + 1) + 'r'; - return this._coreService.triggerDataEvent(`${C0.ESC}P1$r${pt}${C0.ESC}\\`); - case 'm': // SGR - // TODO: report real settings instead of 0m - return this._coreService.triggerDataEvent(`${C0.ESC}P1$r0m${C0.ESC}\\`); - case ' q': // DECSCUSR - const STYLES: {[key: string]: number} = {'block': 2, 'underline': 4, 'bar': 6}; - let style = STYLES[this._optionsService.options.cursorStyle]; - style -= this._optionsService.options.cursorBlink ? 1 : 0; - return this._coreService.triggerDataEvent(`${C0.ESC}P1$r${style} q${C0.ESC}\\`); - default: - // invalid: DCS 0 $ r Pt ST (xterm) - this._logService.debug('Unknown DCS $q %s', data); - this._coreService.triggerDataEvent(`${C0.ESC}P0$r${C0.ESC}\\`); - } - } -} - -/** - * DCS Ps; Ps| Pt ST - * DECUDK (https://vt100.net/docs/vt510-rm/DECUDK.html) - * not supported - */ - -/** - * DCS + q Pt ST (xterm) - * Request Terminfo String - * not implemented - */ - -/** - * DCS + p Pt ST (xterm) - * Set Terminfo Data - * not supported - */ - - - -/** - * The terminal's standard implementation of IInputHandler, this handles all - * input from the Parser. - * - * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand - * each function's header comment. - */ -export class InputHandler extends Disposable implements IInputHandler { - private _parseBuffer: Uint32Array = new Uint32Array(4096); - private _stringDecoder: StringToUtf32 = new StringToUtf32(); - private _utf8Decoder: Utf8ToUtf32 = new Utf8ToUtf32(); - private _workCell: CellData = new CellData(); - - private _onCursorMove = new EventEmitter(); - public get onCursorMove(): IEvent { return this._onCursorMove.event; } - private _onLineFeed = new EventEmitter(); - public get onLineFeed(): IEvent { return this._onLineFeed.event; } - private _onScroll = new EventEmitter(); - public get onScroll(): IEvent { return this._onScroll.event; } - - constructor( - protected _terminal: IInputHandlingTerminal, - private readonly _bufferService: IBufferService, - private readonly _coreService: ICoreService, - private readonly _dirtyRowService: IDirtyRowService, - private readonly _logService: ILogService, - private readonly _optionsService: IOptionsService, - private readonly _coreMouseService: ICoreMouseService, - private readonly _parser: IEscapeSequenceParser = new EscapeSequenceParser()) - { - super(); - - this.register(this._parser); - - /** - * custom fallback handlers - */ - this._parser.setCsiHandlerFallback((ident, params) => { - this._logService.debug('Unknown CSI code: ', { identifier: this._parser.identToString(ident), params: params.toArray() }); - }); - this._parser.setEscHandlerFallback(ident => { - this._logService.debug('Unknown ESC code: ', { identifier: this._parser.identToString(ident) }); - }); - this._parser.setExecuteHandlerFallback(code => { - this._logService.debug('Unknown EXECUTE code: ', { code }); - }); - this._parser.setOscHandlerFallback((identifier, action, data) => { - this._logService.debug('Unknown OSC code: ', { identifier, action, data }); - }); - this._parser.setDcsHandlerFallback((ident, action, payload) => { - if (action === 'HOOK') { - payload = payload.toArray(); - } - this._logService.debug('Unknown DCS code: ', { identifier: this._parser.identToString(ident), action, payload }); - }); - - /** - * print handler - */ - this._parser.setPrintHandler((data, start, end) => this.print(data, start, end)); - - /** - * CSI handler - */ - this._parser.setCsiHandler({final: '@'}, params => this.insertChars(params)); - this._parser.setCsiHandler({intermediates: ' ', final: '@'}, params => this.scrollLeft(params)); - this._parser.setCsiHandler({final: 'A'}, params => this.cursorUp(params)); - this._parser.setCsiHandler({intermediates: ' ', final: 'A'}, params => this.scrollRight(params)); - this._parser.setCsiHandler({final: 'B'}, params => this.cursorDown(params)); - this._parser.setCsiHandler({final: 'C'}, params => this.cursorForward(params)); - this._parser.setCsiHandler({final: 'D'}, params => this.cursorBackward(params)); - this._parser.setCsiHandler({final: 'E'}, params => this.cursorNextLine(params)); - this._parser.setCsiHandler({final: 'F'}, params => this.cursorPrecedingLine(params)); - this._parser.setCsiHandler({final: 'G'}, params => this.cursorCharAbsolute(params)); - this._parser.setCsiHandler({final: 'H'}, params => this.cursorPosition(params)); - this._parser.setCsiHandler({final: 'I'}, params => this.cursorForwardTab(params)); - this._parser.setCsiHandler({final: 'J'}, params => this.eraseInDisplay(params)); - this._parser.setCsiHandler({prefix: '?', final: 'J'}, params => this.eraseInDisplay(params)); - this._parser.setCsiHandler({final: 'K'}, params => this.eraseInLine(params)); - this._parser.setCsiHandler({prefix: '?', final: 'K'}, params => this.eraseInLine(params)); - this._parser.setCsiHandler({final: 'L'}, params => this.insertLines(params)); - this._parser.setCsiHandler({final: 'M'}, params => this.deleteLines(params)); - this._parser.setCsiHandler({final: 'P'}, params => this.deleteChars(params)); - this._parser.setCsiHandler({final: 'S'}, params => this.scrollUp(params)); - this._parser.setCsiHandler({final: 'T'}, params => this.scrollDown(params)); - this._parser.setCsiHandler({final: 'X'}, params => this.eraseChars(params)); - this._parser.setCsiHandler({final: 'Z'}, params => this.cursorBackwardTab(params)); - this._parser.setCsiHandler({final: '`'}, params => this.charPosAbsolute(params)); - this._parser.setCsiHandler({final: 'a'}, params => this.hPositionRelative(params)); - this._parser.setCsiHandler({final: 'b'}, params => this.repeatPrecedingCharacter(params)); - this._parser.setCsiHandler({final: 'c'}, params => this.sendDeviceAttributesPrimary(params)); - this._parser.setCsiHandler({prefix: '>', final: 'c'}, params => this.sendDeviceAttributesSecondary(params)); - this._parser.setCsiHandler({final: 'd'}, params => this.linePosAbsolute(params)); - this._parser.setCsiHandler({final: 'e'}, params => this.vPositionRelative(params)); - this._parser.setCsiHandler({final: 'f'}, params => this.hVPosition(params)); - this._parser.setCsiHandler({final: 'g'}, params => this.tabClear(params)); - this._parser.setCsiHandler({final: 'h'}, params => this.setMode(params)); - this._parser.setCsiHandler({prefix: '?', final: 'h'}, params => this.setModePrivate(params)); - this._parser.setCsiHandler({final: 'l'}, params => this.resetMode(params)); - this._parser.setCsiHandler({prefix: '?', final: 'l'}, params => this.resetModePrivate(params)); - this._parser.setCsiHandler({final: 'm'}, params => this.charAttributes(params)); - this._parser.setCsiHandler({final: 'n'}, params => this.deviceStatus(params)); - this._parser.setCsiHandler({prefix: '?', final: 'n'}, params => this.deviceStatusPrivate(params)); - this._parser.setCsiHandler({intermediates: '!', final: 'p'}, params => this.softReset(params)); - this._parser.setCsiHandler({intermediates: ' ', final: 'q'}, params => this.setCursorStyle(params)); - this._parser.setCsiHandler({final: 'r'}, params => this.setScrollRegion(params)); - this._parser.setCsiHandler({final: 's'}, params => this.saveCursor(params)); - this._parser.setCsiHandler({final: 'u'}, params => this.restoreCursor(params)); - this._parser.setCsiHandler({intermediates: '\'', final: '}'}, params => this.insertColumns(params)); - this._parser.setCsiHandler({intermediates: '\'', final: '~'}, params => this.deleteColumns(params)); - - /** - * execute handler - */ - this._parser.setExecuteHandler(C0.BEL, () => this.bell()); - this._parser.setExecuteHandler(C0.LF, () => this.lineFeed()); - this._parser.setExecuteHandler(C0.VT, () => this.lineFeed()); - this._parser.setExecuteHandler(C0.FF, () => this.lineFeed()); - this._parser.setExecuteHandler(C0.CR, () => this.carriageReturn()); - this._parser.setExecuteHandler(C0.BS, () => this.backspace()); - this._parser.setExecuteHandler(C0.HT, () => this.tab()); - this._parser.setExecuteHandler(C0.SO, () => this.shiftOut()); - this._parser.setExecuteHandler(C0.SI, () => this.shiftIn()); - // FIXME: What do to with missing? Old code just added those to print. - - this._parser.setExecuteHandler(C1.IND, () => this.index()); - this._parser.setExecuteHandler(C1.NEL, () => this.nextLine()); - this._parser.setExecuteHandler(C1.HTS, () => this.tabSet()); - - /** - * OSC handler - */ - // 0 - icon name + title - this._parser.setOscHandler(0, new OscHandler((data: string) => this.setTitle(data))); - // 1 - icon name - // 2 - title - this._parser.setOscHandler(2, new OscHandler((data: string) => this.setTitle(data))); - // 3 - set property X in the form "prop=value" - // 4 - Change Color Number - // 5 - Change Special Color Number - // 6 - Enable/disable Special Color Number c - // 7 - current directory? (not in xterm spec, see https://gitlab.com/gnachman/iterm2/issues/3939) - // 10 - Change VT100 text foreground color to Pt. - // 11 - Change VT100 text background color to Pt. - // 12 - Change text cursor color to Pt. - // 13 - Change mouse foreground color to Pt. - // 14 - Change mouse background color to Pt. - // 15 - Change Tektronix foreground color to Pt. - // 16 - Change Tektronix background color to Pt. - // 17 - Change highlight background color to Pt. - // 18 - Change Tektronix cursor color to Pt. - // 19 - Change highlight foreground color to Pt. - // 46 - Change Log File to Pt. - // 50 - Set Font to Pt. - // 51 - reserved for Emacs shell. - // 52 - Manipulate Selection Data. - // 104 ; c - Reset Color Number c. - // 105 ; c - Reset Special Color Number c. - // 106 ; c; f - Enable/disable Special Color Number c. - // 110 - Reset VT100 text foreground color. - // 111 - Reset VT100 text background color. - // 112 - Reset text cursor color. - // 113 - Reset mouse foreground color. - // 114 - Reset mouse background color. - // 115 - Reset Tektronix foreground color. - // 116 - Reset Tektronix background color. - // 117 - Reset highlight color. - // 118 - Reset Tektronix cursor color. - // 119 - Reset highlight foreground color. - - /** - * ESC handlers - */ - this._parser.setEscHandler({final: '7'}, () => this.saveCursor()); - this._parser.setEscHandler({final: '8'}, () => this.restoreCursor()); - this._parser.setEscHandler({final: 'D'}, () => this.index()); - this._parser.setEscHandler({final: 'E'}, () => this.nextLine()); - this._parser.setEscHandler({final: 'H'}, () => this.tabSet()); - this._parser.setEscHandler({final: 'M'}, () => this.reverseIndex()); - this._parser.setEscHandler({final: '='}, () => this.keypadApplicationMode()); - this._parser.setEscHandler({final: '>'}, () => this.keypadNumericMode()); - this._parser.setEscHandler({final: 'c'}, () => this.reset()); - this._parser.setEscHandler({final: 'n'}, () => this.setgLevel(2)); - this._parser.setEscHandler({final: 'o'}, () => this.setgLevel(3)); - this._parser.setEscHandler({final: '|'}, () => this.setgLevel(3)); - this._parser.setEscHandler({final: '}'}, () => this.setgLevel(2)); - this._parser.setEscHandler({final: '~'}, () => this.setgLevel(1)); - this._parser.setEscHandler({intermediates: '%', final: '@'}, () => this.selectDefaultCharset()); - this._parser.setEscHandler({intermediates: '%', final: 'G'}, () => this.selectDefaultCharset()); - for (const flag in CHARSETS) { - this._parser.setEscHandler({intermediates: '(', final: flag}, () => this.selectCharset('(' + flag)); - this._parser.setEscHandler({intermediates: ')', final: flag}, () => this.selectCharset(')' + flag)); - this._parser.setEscHandler({intermediates: '*', final: flag}, () => this.selectCharset('*' + flag)); - this._parser.setEscHandler({intermediates: '+', final: flag}, () => this.selectCharset('+' + flag)); - this._parser.setEscHandler({intermediates: '-', final: flag}, () => this.selectCharset('-' + flag)); - this._parser.setEscHandler({intermediates: '.', final: flag}, () => this.selectCharset('.' + flag)); - this._parser.setEscHandler({intermediates: '/', final: flag}, () => this.selectCharset('/' + flag)); // TODO: supported? - } - this._parser.setEscHandler({intermediates: '#', final: '8'}, () => this.screenAlignmentPattern()); - - /** - * error handler - */ - this._parser.setErrorHandler((state: IParsingState) => { - this._logService.error('Parsing error: ', state); - return state; - }); - - /** - * DCS handler - */ - this._parser.setDcsHandler({intermediates: '$', final: 'q'}, new DECRQSS(this._bufferService, this._coreService, this._logService, this._optionsService)); - } - - public dispose(): void { - super.dispose(); - } - - public parse(data: string | Uint8Array): void { - let buffer = this._bufferService.buffer; - const cursorStartX = buffer.x; - const cursorStartY = buffer.y; - - this._logService.debug('parsing data', data); - - // resize input buffer if needed - if (this._parseBuffer.length < data.length) { - if (this._parseBuffer.length < MAX_PARSEBUFFER_LENGTH) { - this._parseBuffer = new Uint32Array(Math.min(data.length, MAX_PARSEBUFFER_LENGTH)); - } - } - - // process big data in smaller chunks - if (data.length > MAX_PARSEBUFFER_LENGTH) { - for (let i = 0; i < data.length; i += MAX_PARSEBUFFER_LENGTH) { - const end = i + MAX_PARSEBUFFER_LENGTH < data.length ? i + MAX_PARSEBUFFER_LENGTH : data.length; - const len = (typeof data === 'string') - ? this._stringDecoder.decode(data.substring(i, end), this._parseBuffer) - : this._utf8Decoder.decode(data.subarray(i, end), this._parseBuffer); - this._parser.parse(this._parseBuffer, len); - } - } else { - const len = (typeof data === 'string') - ? this._stringDecoder.decode(data, this._parseBuffer) - : this._utf8Decoder.decode(data, this._parseBuffer); - this._parser.parse(this._parseBuffer, len); - } - - buffer = this._bufferService.buffer; - if (buffer.x !== cursorStartX || buffer.y !== cursorStartY) { - this._onCursorMove.fire(); - } - this._terminal.refresh(this._dirtyRowService.start, this._dirtyRowService.end); - } - - public print(data: Uint32Array, start: number, end: number): void { - let code: number; - let chWidth: number; - const buffer = this._bufferService.buffer; - const charset = this._terminal.charset; - const screenReaderMode = this._optionsService.options.screenReaderMode; - const cols = this._bufferService.cols; - const wraparoundMode = this._terminal.wraparoundMode; - const insertMode = this._terminal.insertMode; - const curAttr = this._terminal.curAttrData; - let bufferRow = buffer.lines.get(buffer.y + buffer.ybase); - - this._dirtyRowService.markDirty(buffer.y); - for (let pos = start; pos < end; ++pos) { - code = data[pos]; - - // calculate print space - // expensive call, therefore we save width in line buffer - chWidth = wcwidth(code); - - // get charset replacement character - // charset is only defined for ASCII, therefore we only - // search for an replacement char if code < 127 - if (code < 127 && charset) { - const ch = charset[String.fromCharCode(code)]; - if (ch) { - code = ch.charCodeAt(0); - } - } - - if (screenReaderMode) { - this._terminal.onA11yCharEmitter.fire(stringFromCodePoint(code)); - } - - // insert combining char at last cursor position - // FIXME: needs handling after cursor jumps - // buffer.x should never be 0 for a combining char - // since they always follow a cell consuming char - // therefore we can test for buffer.x to avoid overflow left - if (!chWidth && buffer.x) { - if (!bufferRow.getWidth(buffer.x - 1)) { - // found empty cell after fullwidth, need to go 2 cells back - // it is save to step 2 cells back here - // since an empty cell is only set by fullwidth chars - bufferRow.addCodepointToCell(buffer.x - 2, code); - } else { - bufferRow.addCodepointToCell(buffer.x - 1, code); - } - continue; - } - - // goto next line if ch would overflow - // TODO: needs a global min terminal width of 2 - // FIXME: additionally ensure chWidth fits into a line - // --> maybe forbid cols= cols) { - // autowrap - DECAWM - // automatically wraps to the beginning of the next line - if (wraparoundMode) { - buffer.x = 0; - buffer.y++; - if (buffer.y === buffer.scrollBottom + 1) { - buffer.y--; - this._terminal.scroll(true); - } else { - if (buffer.y >= this._bufferService.rows) { - buffer.y = this._bufferService.rows - 1; - } - // The line already exists (eg. the initial viewport), mark it as a - // wrapped line - buffer.lines.get(buffer.y).isWrapped = true; - } - // row changed, get it again - bufferRow = buffer.lines.get(buffer.y + buffer.ybase); - } else { - buffer.x = cols - 1; - if (chWidth === 2) { - // FIXME: check for xterm behavior - // What to do here? We got a wide char that does not fit into last cell - continue; - } - } - } - - // insert mode: move characters to right - if (insertMode) { - // right shift cells according to the width - bufferRow.insertCells(buffer.x, chWidth, buffer.getNullCell(curAttr)); - // test last cell - since the last cell has only room for - // a halfwidth char any fullwidth shifted there is lost - // and will be set to empty cell - if (bufferRow.getWidth(cols - 1) === 2) { - bufferRow.setCellFromCodePoint(cols - 1, NULL_CELL_CODE, NULL_CELL_WIDTH, curAttr.fg, curAttr.bg); - } - } - - // write current char to buffer and advance cursor - bufferRow.setCellFromCodePoint(buffer.x++, code, chWidth, curAttr.fg, curAttr.bg); - - // fullwidth char - also set next cell to placeholder stub and advance cursor - // for graphemes bigger than fullwidth we can simply loop to zero - // we already made sure above, that buffer.x + chWidth will not overflow right - if (chWidth > 0) { - while (--chWidth) { - // other than a regular empty cell a cell following a wide char has no width - bufferRow.setCellFromCodePoint(buffer.x++, 0, 0, curAttr.fg, curAttr.bg); - } - } - } - // store last char in Parser.precedingCodepoint for REP to work correctly - // This needs to check whether: - // - fullwidth + surrogates: reset - // - combining: only base char gets carried on (bug in xterm?) - if (end) { - bufferRow.loadCell(buffer.x - 1, this._workCell); - if (this._workCell.getWidth() === 2 || this._workCell.getCode() > 0xFFFF) { - this._parser.precedingCodepoint = 0; - } else if (this._workCell.isCombined()) { - this._parser.precedingCodepoint = this._workCell.getChars().charCodeAt(0); - } else { - this._parser.precedingCodepoint = this._workCell.content; - } - } - this._dirtyRowService.markDirty(buffer.y); - } - - /** - * Forward addCsiHandler from parser. - */ - public addCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean): IDisposable { - return this._parser.addCsiHandler(id, callback); - } - - /** - * Forward addDcsHandler from parser. - */ - public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean): IDisposable { - return this._parser.addDcsHandler(id, new DcsHandler(callback)); - } - - /** - * Forward addEscHandler from parser. - */ - public addEscHandler(id: IFunctionIdentifier, callback: () => boolean): IDisposable { - return this._parser.addEscHandler(id, callback); - } - - /** - * Forward addOscHandler from parser. - */ - public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable { - return this._parser.addOscHandler(ident, new OscHandler(callback)); - } - - /** - * BEL - * Bell (Ctrl-G). - */ - public bell(): void { - this._terminal.bell(); - } - - /** - * LF - * Line Feed or New Line (NL). (LF is Ctrl-J). - */ - public lineFeed(): void { - // make buffer local for faster access - const buffer = this._bufferService.buffer; - - if (this._optionsService.options.convertEol) { - buffer.x = 0; - } - buffer.y++; - if (buffer.y === buffer.scrollBottom + 1) { - buffer.y--; - this._terminal.scroll(); - } else if (buffer.y >= this._bufferService.rows) { - buffer.y = this._bufferService.rows - 1; - } - // If the end of the line is hit, prevent this action from wrapping around to the next line. - if (buffer.x >= this._bufferService.cols) { - buffer.x--; - } - - this._onLineFeed.fire(); - } - - /** - * CR - * Carriage Return (Ctrl-M). - */ - public carriageReturn(): void { - this._bufferService.buffer.x = 0; - } - - /** - * BS - * Backspace (Ctrl-H). - */ - public backspace(): void { - this._restrictCursor(); - if (this._bufferService.buffer.x > 0) { - this._bufferService.buffer.x--; - } - } - - /** - * TAB - * Horizontal Tab (HT) (Ctrl-I). - */ - public tab(): void { - if (this._bufferService.buffer.x >= this._bufferService.cols) { - return; - } - const originalX = this._bufferService.buffer.x; - this._bufferService.buffer.x = this._bufferService.buffer.nextStop(); - if (this._optionsService.options.screenReaderMode) { - this._terminal.onA11yTabEmitter.fire(this._bufferService.buffer.x - originalX); - } - } - - /** - * SO - * Shift Out (Ctrl-N) -> Switch to Alternate Character Set. This invokes the - * G1 character set. - */ - public shiftOut(): void { - this._terminal.setgLevel(1); - } - - /** - * SI - * Shift In (Ctrl-O) -> Switch to Standard Character Set. This invokes the G0 - * character set (the default). - */ - public shiftIn(): void { - this._terminal.setgLevel(0); - } - - /** - * Restrict cursor to viewport size / scroll margin (origin mode). - */ - private _restrictCursor(): void { - this._bufferService.buffer.x = Math.min(this._bufferService.cols - 1, Math.max(0, this._bufferService.buffer.x)); - this._bufferService.buffer.y = this._terminal.originMode - ? Math.min(this._bufferService.buffer.scrollBottom, Math.max(this._bufferService.buffer.scrollTop, this._bufferService.buffer.y)) - : Math.min(this._bufferService.rows - 1, Math.max(0, this._bufferService.buffer.y)); - } - - /** - * Set absolute cursor position. - */ - private _setCursor(x: number, y: number): void { - if (this._terminal.originMode) { - this._bufferService.buffer.x = x; - this._bufferService.buffer.y = this._bufferService.buffer.scrollTop + y; - } else { - this._bufferService.buffer.x = x; - this._bufferService.buffer.y = y; - } - this._restrictCursor(); - } - - /** - * Set relative cursor position. - */ - private _moveCursor(x: number, y: number): void { - // for relative changes we have to make sure we are within 0 .. cols/rows - 1 - // before calculating the new position - this._restrictCursor(); - this._setCursor(this._bufferService.buffer.x + x, this._bufferService.buffer.y + y); - } - - /** - * CSI Ps A - * Cursor Up Ps Times (default = 1) (CUU). - */ - public cursorUp(params: IParams): void { - // stop at scrollTop - const diffToTop = this._bufferService.buffer.y - this._bufferService.buffer.scrollTop; - if (diffToTop >= 0) { - this._moveCursor(0, -Math.min(diffToTop, params.params[0] || 1)); - } else { - this._moveCursor(0, -(params.params[0] || 1)); - } - } - - /** - * CSI Ps B - * Cursor Down Ps Times (default = 1) (CUD). - */ - public cursorDown(params: IParams): void { - // stop at scrollBottom - const diffToBottom = this._bufferService.buffer.scrollBottom - this._bufferService.buffer.y; - if (diffToBottom >= 0) { - this._moveCursor(0, Math.min(diffToBottom, params.params[0] || 1)); - } else { - this._moveCursor(0, params.params[0] || 1); - } - } - - /** - * CSI Ps C - * Cursor Forward Ps Times (default = 1) (CUF). - */ - public cursorForward(params: IParams): void { - this._moveCursor(params.params[0] || 1, 0); - } - - /** - * CSI Ps D - * Cursor Backward Ps Times (default = 1) (CUB). - */ - public cursorBackward(params: IParams): void { - this._moveCursor(-(params.params[0] || 1), 0); - } - - /** - * CSI Ps E - * Cursor Next Line Ps Times (default = 1) (CNL). - * Other than cursorDown (CUD) also set the cursor to first column. - */ - public cursorNextLine(params: IParams): void { - this.cursorDown(params); - this._bufferService.buffer.x = 0; - } - - /** - * CSI Ps F - * Cursor Previous Line Ps Times (default = 1) (CPL). - * Other than cursorUp (CUU) also set the cursor to first column. - */ - public cursorPrecedingLine(params: IParams): void { - this.cursorUp(params); - this._bufferService.buffer.x = 0; - } - - /** - * CSI Ps G - * Cursor Character Absolute [column] (default = [row,1]) (CHA). - */ - public cursorCharAbsolute(params: IParams): void { - this._setCursor((params.params[0] || 1) - 1, this._bufferService.buffer.y); - } - - /** - * CSI Ps ; Ps H - * Cursor Position [row;column] (default = [1,1]) (CUP). - */ - public cursorPosition(params: IParams): void { - this._setCursor( - // col - (params.length >= 2) ? (params.params[1] || 1) - 1 : 0, - // row - (params.params[0] || 1) - 1); - } - - /** - * CSI Pm ` Character Position Absolute - * [column] (default = [row,1]) (HPA). - * Currently same functionality as CHA. - */ - public charPosAbsolute(params: IParams): void { - this._setCursor((params.params[0] || 1) - 1, this._bufferService.buffer.y); - } - - /** - * CSI Pm a Character Position Relative - * [columns] (default = [row,col+1]) (HPR) - * Currently same functionality as CUF. - */ - public hPositionRelative(params: IParams): void { - this._moveCursor(params.params[0] || 1, 0); - } - - /** - * CSI Pm d Vertical Position Absolute (VPA) - * [row] (default = [1,column]) - */ - public linePosAbsolute(params: IParams): void { - this._setCursor(this._bufferService.buffer.x, (params.params[0] || 1) - 1); - } - - /** - * CSI Pm e Vertical Position Relative (VPR) - * [rows] (default = [row+1,column]) - * reuse CSI Ps B ? - */ - public vPositionRelative(params: IParams): void { - this._moveCursor(0, params.params[0] || 1); - } - - /** - * CSI Ps ; Ps f - * Horizontal and Vertical Position [row;column] (default = - * [1,1]) (HVP). - * Same as CUP. - */ - public hVPosition(params: IParams): void { - this.cursorPosition(params); - } - - /** - * CSI Ps g Tab Clear (TBC). - * Ps = 0 -> Clear Current Column (default). - * Ps = 3 -> Clear All. - * Potentially: - * Ps = 2 -> Clear Stops on Line. - * http://vt100.net/annarbor/aaa-ug/section6.html - */ - public tabClear(params: IParams): void { - const param = params.params[0]; - if (param === 0) { - delete this._bufferService.buffer.tabs[this._bufferService.buffer.x]; - } else if (param === 3) { - this._bufferService.buffer.tabs = {}; - } - } - - /** - * CSI Ps I - * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT). - */ - public cursorForwardTab(params: IParams): void { - if (this._bufferService.buffer.x >= this._bufferService.cols) { - return; - } - let param = params.params[0] || 1; - while (param--) { - this._bufferService.buffer.x = this._bufferService.buffer.nextStop(); - } - } - - /** - * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). - */ - public cursorBackwardTab(params: IParams): void { - if (this._bufferService.buffer.x >= this._bufferService.cols) { - return; - } - let param = params.params[0] || 1; - - // make buffer local for faster access - const buffer = this._bufferService.buffer; - - while (param--) { - buffer.x = buffer.prevStop(); - } - } - - - /** - * Helper method to erase cells in a terminal row. - * The cell gets replaced with the eraseChar of the terminal. - * @param y row index - * @param start first cell index to be erased - * @param end end - 1 is last erased cell - */ - private _eraseInBufferLine(y: number, start: number, end: number, clearWrap: boolean = false): void { - const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.ybase + y); - line.replaceCells( - start, - end, - this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData()) - ); - if (clearWrap) { - line.isWrapped = false; - } - } - - /** - * Helper method to reset cells in a terminal row. - * The cell gets replaced with the eraseChar of the terminal and the isWrapped property is set to false. - * @param y row index - */ - private _resetBufferLine(y: number): void { - const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.ybase + y); - line.fill(this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())); - line.isWrapped = false; - } - - /** - * CSI Ps J Erase in Display (ED). - * Ps = 0 -> Erase Below (default). - * Ps = 1 -> Erase Above. - * Ps = 2 -> Erase All. - * Ps = 3 -> Erase Saved Lines (xterm). - * CSI ? Ps J - * Erase in Display (DECSED). - * Ps = 0 -> Selective Erase Below (default). - * Ps = 1 -> Selective Erase Above. - * Ps = 2 -> Selective Erase All. - */ - public eraseInDisplay(params: IParams): void { - this._restrictCursor(); - let j; - switch (params.params[0]) { - case 0: - j = this._bufferService.buffer.y; - this._dirtyRowService.markDirty(j); - this._eraseInBufferLine(j++, this._bufferService.buffer.x, this._bufferService.cols, this._bufferService.buffer.x === 0); - for (; j < this._bufferService.rows; j++) { - this._resetBufferLine(j); - } - this._dirtyRowService.markDirty(j); - break; - case 1: - j = this._bufferService.buffer.y; - this._dirtyRowService.markDirty(j); - // Deleted front part of line and everything before. This line will no longer be wrapped. - this._eraseInBufferLine(j, 0, this._bufferService.buffer.x + 1, true); - if (this._bufferService.buffer.x + 1 >= this._bufferService.cols) { - // Deleted entire previous line. This next line can no longer be wrapped. - this._bufferService.buffer.lines.get(j + 1).isWrapped = false; - } - while (j--) { - this._resetBufferLine(j); - } - this._dirtyRowService.markDirty(0); - break; - case 2: - j = this._bufferService.rows; - this._dirtyRowService.markDirty(j - 1); - while (j--) { - this._resetBufferLine(j); - } - this._dirtyRowService.markDirty(0); - break; - case 3: - // Clear scrollback (everything not in viewport) - const scrollBackSize = this._bufferService.buffer.lines.length - this._bufferService.rows; - if (scrollBackSize > 0) { - this._bufferService.buffer.lines.trimStart(scrollBackSize); - this._bufferService.buffer.ybase = Math.max(this._bufferService.buffer.ybase - scrollBackSize, 0); - this._bufferService.buffer.ydisp = Math.max(this._bufferService.buffer.ydisp - scrollBackSize, 0); - // Force a scroll event to refresh viewport - this._onScroll.fire(0); - } - break; - } - } - - /** - * CSI Ps K Erase in Line (EL). - * Ps = 0 -> Erase to Right (default). - * Ps = 1 -> Erase to Left. - * Ps = 2 -> Erase All. - * CSI ? Ps K - * Erase in Line (DECSEL). - * Ps = 0 -> Selective Erase to Right (default). - * Ps = 1 -> Selective Erase to Left. - * Ps = 2 -> Selective Erase All. - */ - public eraseInLine(params: IParams): void { - this._restrictCursor(); - switch (params.params[0]) { - case 0: - this._eraseInBufferLine(this._bufferService.buffer.y, this._bufferService.buffer.x, this._bufferService.cols); - break; - case 1: - this._eraseInBufferLine(this._bufferService.buffer.y, 0, this._bufferService.buffer.x + 1); - break; - case 2: - this._eraseInBufferLine(this._bufferService.buffer.y, 0, this._bufferService.cols); - break; - } - this._dirtyRowService.markDirty(this._bufferService.buffer.y); - } - - /** - * CSI Ps L - * Insert Ps Line(s) (default = 1) (IL). - */ - public insertLines(params: IParams): void { - this._restrictCursor(); - let param = params.params[0] || 1; - - // make buffer local for faster access - const buffer = this._bufferService.buffer; - - if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) { - return; - } - - const row: number = buffer.y + buffer.ybase; - - const scrollBottomRowsOffset = this._bufferService.rows - 1 - buffer.scrollBottom; - const scrollBottomAbsolute = this._bufferService.rows - 1 + buffer.ybase - scrollBottomRowsOffset + 1; - while (param--) { - // test: echo -e '\e[44m\e[1L\e[0m' - // blankLine(true) - xterm/linux behavior - buffer.lines.splice(scrollBottomAbsolute - 1, 1); - buffer.lines.splice(row, 0, buffer.getBlankLine(this._terminal.eraseAttrData())); - } - - this._dirtyRowService.markRangeDirty(buffer.y, buffer.scrollBottom); - buffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only? - } - - /** - * CSI Ps M - * Delete Ps Line(s) (default = 1) (DL). - */ - public deleteLines(params: IParams): void { - this._restrictCursor(); - let param = params.params[0] || 1; - - // make buffer local for faster access - const buffer = this._bufferService.buffer; - - if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) { - return; - } - - const row: number = buffer.y + buffer.ybase; - - let j: number; - j = this._bufferService.rows - 1 - buffer.scrollBottom; - j = this._bufferService.rows - 1 + buffer.ybase - j; - while (param--) { - // test: echo -e '\e[44m\e[1M\e[0m' - // blankLine(true) - xterm/linux behavior - buffer.lines.splice(row, 1); - buffer.lines.splice(j, 0, buffer.getBlankLine(this._terminal.eraseAttrData())); - } - - this._dirtyRowService.markRangeDirty(buffer.y, buffer.scrollBottom); - buffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only? - } - - /** - * CSI Ps @ - * Insert Ps (Blank) Character(s) (default = 1) (ICH). - */ - public insertChars(params: IParams): void { - this._restrictCursor(); - const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.y + this._bufferService.buffer.ybase); - if (line) { - line.insertCells( - this._bufferService.buffer.x, - params.params[0] || 1, - this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData()) - ); - this._dirtyRowService.markDirty(this._bufferService.buffer.y); - } - } - - /** - * CSI Ps P - * Delete Ps Character(s) (default = 1) (DCH). - */ - public deleteChars(params: IParams): void { - this._restrictCursor(); - const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.y + this._bufferService.buffer.ybase); - if (line) { - line.deleteCells( - this._bufferService.buffer.x, - params.params[0] || 1, - this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData()) - ); - this._dirtyRowService.markDirty(this._bufferService.buffer.y); - } - } - - /** - * CSI Ps S Scroll up Ps lines (default = 1) (SU). - */ - public scrollUp(params: IParams): void { - let param = params.params[0] || 1; - - // make buffer local for faster access - const buffer = this._bufferService.buffer; - - while (param--) { - buffer.lines.splice(buffer.ybase + buffer.scrollTop, 1); - buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 0, buffer.getBlankLine(this._terminal.eraseAttrData())); - } - this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom); - } - - /** - * CSI Ps T Scroll down Ps lines (default = 1) (SD). - */ - public scrollDown(params: IParams): void { - let param = params.params[0] || 1; - - // make buffer local for faster access - const buffer = this._bufferService.buffer; - - while (param--) { - buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 1); - buffer.lines.splice(buffer.ybase + buffer.scrollTop, 0, buffer.getBlankLine(DEFAULT_ATTR_DATA)); - } - this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom); - } - - /** - * CSI Ps SP @ Scroll left Ps columns (default = 1) (SL) ECMA-48 - * - * Notation: (Pn) - * Representation: CSI Pn 02/00 04/00 - * Parameter default value: Pn = 1 - * SL causes the data in the presentation component to be moved by n character positions - * if the line orientation is horizontal, or by n line positions if the line orientation - * is vertical, such that the data appear to move to the left; where n equals the value of Pn. - * The active presentation position is not affected by this control function. - * - * Supported: - * - always left shift (no line orientation setting respected) - */ - public scrollLeft(params: IParams): void { - const buffer = this._bufferService.buffer; - if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) { - return; - } - const param = params.params[0] || 1; - for (let y = buffer.scrollTop; y <= buffer.scrollBottom; ++y) { - const line = buffer.lines.get(buffer.ybase + y); - line.deleteCells(0, param, buffer.getNullCell(this._terminal.eraseAttrData())); - line.isWrapped = false; - } - this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom); - } - - /** - * CSI Ps SP A Scroll right Ps columns (default = 1) (SR) ECMA-48 - * - * Notation: (Pn) - * Representation: CSI Pn 02/00 04/01 - * Parameter default value: Pn = 1 - * SR causes the data in the presentation component to be moved by n character positions - * if the line orientation is horizontal, or by n line positions if the line orientation - * is vertical, such that the data appear to move to the right; where n equals the value of Pn. - * The active presentation position is not affected by this control function. - * - * Supported: - * - always right shift (no line orientation setting respected) - */ - public scrollRight(params: IParams): void { - const buffer = this._bufferService.buffer; - if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) { - return; - } - const param = params.params[0] || 1; - for (let y = buffer.scrollTop; y <= buffer.scrollBottom; ++y) { - const line = buffer.lines.get(buffer.ybase + y); - line.insertCells(0, param, buffer.getNullCell(this._terminal.eraseAttrData())); - line.isWrapped = false; - } - this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom); - } - - /** - * CSI Pm ' } - * Insert Ps Column(s) (default = 1) (DECIC), VT420 and up. - */ - public insertColumns(params: IParams): void { - const buffer = this._bufferService.buffer; - if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) { - return; - } - const param = params.params[0] || 1; - for (let y = buffer.scrollTop; y <= buffer.scrollBottom; ++y) { - const line = this._bufferService.buffer.lines.get(buffer.ybase + y); - line.insertCells(buffer.x, param, buffer.getNullCell(this._terminal.eraseAttrData())); - line.isWrapped = false; - } - this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom); - } - - /** - * CSI Pm ' ~ - * Delete Ps Column(s) (default = 1) (DECDC), VT420 and up. - */ - public deleteColumns(params: IParams): void { - const buffer = this._bufferService.buffer; - if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) { - return; - } - const param = params.params[0] || 1; - for (let y = buffer.scrollTop; y <= buffer.scrollBottom; ++y) { - const line = buffer.lines.get(buffer.ybase + y); - line.deleteCells(buffer.x, param, buffer.getNullCell(this._terminal.eraseAttrData())); - line.isWrapped = false; - } - this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom); - } - - /** - * CSI Ps X - * Erase Ps Character(s) (default = 1) (ECH). - */ - public eraseChars(params: IParams): void { - this._restrictCursor(); - const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.y + this._bufferService.buffer.ybase); - if (line) { - line.replaceCells( - this._bufferService.buffer.x, - this._bufferService.buffer.x + (params.params[0] || 1), - this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData()) - ); - this._dirtyRowService.markDirty(this._bufferService.buffer.y); - } - } - - /** - * CSI Ps b Repeat the preceding graphic character Ps times (REP). - * From ECMA 48 (@see http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-048.pdf) - * Notation: (Pn) - * Representation: CSI Pn 06/02 - * Parameter default value: Pn = 1 - * REP is used to indicate that the preceding character in the data stream, - * if it is a graphic character (represented by one or more bit combinations) including SPACE, - * is to be repeated n times, where n equals the value of Pn. - * If the character preceding REP is a control function or part of a control function, - * the effect of REP is not defined by this Standard. - * - * Since we propagate the terminal as xterm-256color we have to follow xterm's behavior: - * - fullwidth + surrogate chars are ignored - * - for combining chars only the base char gets repeated - * - text attrs are applied normally - * - wrap around is respected - * - any valid sequence resets the carried forward char - * - * Note: To get reset on a valid sequence working correctly without much runtime penalty, - * the preceding codepoint is stored on the parser in `this.print` and reset during `parser.parse`. - */ - public repeatPrecedingCharacter(params: IParams): void { - if (!this._parser.precedingCodepoint) { - return; - } - // call print to insert the chars and handle correct wrapping - const length = params.params[0] || 1; - const data = new Uint32Array(length); - for (let i = 0; i < length; ++i) { - data[i] = this._parser.precedingCodepoint; - } - this.print(data, 0, data.length); - } - - /** - * CSI Ps c Send Device Attributes (Primary DA). - * Ps = 0 or omitted -> request attributes from terminal. The - * response depends on the decTerminalID resource setting. - * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'') - * -> CSI ? 1 ; 0 c (``VT101 with No Options'') - * -> CSI ? 6 c (``VT102'') - * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'') - * The VT100-style response parameters do not mean anything by - * themselves. VT220 parameters do, telling the host what fea- - * tures the terminal supports: - * Ps = 1 -> 132-columns. - * Ps = 2 -> Printer. - * Ps = 6 -> Selective erase. - * Ps = 8 -> User-defined keys. - * Ps = 9 -> National replacement character sets. - * Ps = 1 5 -> Technical characters. - * Ps = 2 2 -> ANSI color, e.g., VT525. - * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode). - * CSI > Ps c - * Send Device Attributes (Secondary DA). - * Ps = 0 or omitted -> request the terminal's identification - * code. The response depends on the decTerminalID resource set- - * ting. It should apply only to VT220 and up, but xterm extends - * this to VT100. - * -> CSI > Pp ; Pv ; Pc c - * where Pp denotes the terminal type - * Pp = 0 -> ``VT100''. - * Pp = 1 -> ``VT220''. - * and Pv is the firmware version (for xterm, this was originally - * the XFree86 patch number, starting with 95). In a DEC termi- - * nal, Pc indicates the ROM cartridge registration number and is - * always zero. - * More information: - * xterm/charproc.c - line 2012, for more information. - * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?) - */ - public sendDeviceAttributesPrimary(params: IParams): void { - if (params.params[0] > 0) { - return; - } - if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) { - this._coreService.triggerDataEvent(C0.ESC + '[?1;2c'); - } else if (this._terminal.is('linux')) { - this._coreService.triggerDataEvent(C0.ESC + '[?6c'); - } - } - public sendDeviceAttributesSecondary(params: IParams): void { - if (params.params[0] > 0) { - return; - } - // xterm and urxvt - // seem to spit this - // out around ~370 times (?). - if (this._terminal.is('xterm')) { - this._coreService.triggerDataEvent(C0.ESC + '[>0;276;0c'); - } else if (this._terminal.is('rxvt-unicode')) { - this._coreService.triggerDataEvent(C0.ESC + '[>85;95;0c'); - } else if (this._terminal.is('linux')) { - // not supported by linux console. - // linux console echoes parameters. - this._coreService.triggerDataEvent(params.params[0] + 'c'); - } else if (this._terminal.is('screen')) { - this._coreService.triggerDataEvent(C0.ESC + '[>83;40003;0c'); - } - } - - /** - * CSI Pm h Set Mode (SM). - * Ps = 2 -> Keyboard Action Mode (AM). - * Ps = 4 -> Insert Mode (IRM). - * Ps = 1 2 -> Send/receive (SRM). - * Ps = 2 0 -> Automatic Newline (LNM). - * CSI ? Pm h - * DEC Private Mode Set (DECSET). - * Ps = 1 -> Application Cursor Keys (DECCKM). - * Ps = 2 -> Designate USASCII for character sets G0-G3 - * (DECANM), and set VT100 mode. - * Ps = 3 -> 132 Column Mode (DECCOLM). - * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM). - * Ps = 5 -> Reverse Video (DECSCNM). - * Ps = 6 -> Origin Mode (DECOM). - * Ps = 7 -> Wraparound Mode (DECAWM). - * Ps = 8 -> Auto-repeat Keys (DECARM). - * Ps = 9 -> Send Mouse X & Y on button press. See the sec- - * tion Mouse Tracking. - * Ps = 1 0 -> Show toolbar (rxvt). - * Ps = 1 2 -> Start Blinking Cursor (att610). - * Ps = 1 8 -> Print form feed (DECPFF). - * Ps = 1 9 -> Set print extent to full screen (DECPEX). - * Ps = 2 5 -> Show Cursor (DECTCEM). - * Ps = 3 0 -> Show scrollbar (rxvt). - * Ps = 3 5 -> Enable font-shifting functions (rxvt). - * Ps = 3 8 -> Enter Tektronix Mode (DECTEK). - * Ps = 4 0 -> Allow 80 -> 132 Mode. - * Ps = 4 1 -> more(1) fix (see curses resource). - * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN- - * RCM). - * Ps = 4 4 -> Turn On Margin Bell. - * Ps = 4 5 -> Reverse-wraparound Mode. - * Ps = 4 6 -> Start Logging. This is normally disabled by a - * compile-time option. - * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis- - * abled by the titeInhibit resource). - * Ps = 6 6 -> Application keypad (DECNKM). - * Ps = 6 7 -> Backarrow key sends backspace (DECBKM). - * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and - * release. See the section Mouse Tracking. - * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking. - * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking. - * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking. - * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events. - * Ps = 1 0 0 5 -> Enable Extended Mouse Mode. - * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt). - * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt). - * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit. - * (enables the eightBitInput resource). - * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num- - * Lock keys. (This enables the numLock resource). - * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This - * enables the metaSendsEscape resource). - * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete - * key. - * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This - * enables the altSendsEscape resource). - * Ps = 1 0 4 0 -> Keep selection even if not highlighted. - * (This enables the keepSelection resource). - * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables - * the selectToClipboard resource). - * Ps = 1 0 4 2 -> Enable Urgency window manager hint when - * Control-G is received. (This enables the bellIsUrgent - * resource). - * Ps = 1 0 4 3 -> Enable raising of the window when Control-G - * is received. (enables the popOnBell resource). - * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be - * disabled by the titeInhibit resource). - * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis- - * abled by the titeInhibit resource). - * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate - * Screen Buffer, clearing it first. (This may be disabled by - * the titeInhibit resource). This combines the effects of the 1 - * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based - * applications rather than the 4 7 mode. - * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode. - * Ps = 1 0 5 1 -> Set Sun function-key mode. - * Ps = 1 0 5 2 -> Set HP function-key mode. - * Ps = 1 0 5 3 -> Set SCO function-key mode. - * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6). - * Ps = 1 0 6 1 -> Set VT220 keyboard emulation. - * Ps = 2 0 0 4 -> Set bracketed paste mode. - * Modes: - * http: *vt100.net/docs/vt220-rm/chapter4.html - */ - public setMode(params: IParams): void { - for (let i = 0; i < params.length; i++) { - switch (params.params[i]) { - case 4: - this._terminal.insertMode = true; - break; - case 20: - // this._t.convertEol = true; - break; - } - } - } - public setModePrivate(params: IParams): void { - for (let i = 0; i < params.length; i++) { - switch (params.params[i]) { - case 1: - this._coreService.decPrivateModes.applicationCursorKeys = true; - break; - case 2: - this._terminal.setgCharset(0, DEFAULT_CHARSET); - this._terminal.setgCharset(1, DEFAULT_CHARSET); - this._terminal.setgCharset(2, DEFAULT_CHARSET); - this._terminal.setgCharset(3, DEFAULT_CHARSET); - // set VT100 mode here - break; - case 3: // 132 col mode - // TODO: move DECCOLM into compat addon - this._terminal.savedCols = this._bufferService.cols; - this._terminal.resize(132, this._bufferService.rows); - this._terminal.reset(); - break; - case 6: - this._terminal.originMode = true; - this._setCursor(0, 0); - break; - case 7: - this._terminal.wraparoundMode = true; - break; - case 12: - // this.cursorBlink = true; - break; - case 66: - this._logService.debug('Serial port requested application keypad.'); - this._terminal.applicationKeypad = true; - if (this._terminal.viewport) { - this._terminal.viewport.syncScrollArea(); - } - break; - case 9: // X10 Mouse - // no release, no motion, no wheel, no modifiers. - this._coreMouseService.activeProtocol = 'X10'; - break; - case 1000: // vt200 mouse - // no motion. - this._coreMouseService.activeProtocol = 'VT200'; - break; - case 1002: // button event mouse - this._coreMouseService.activeProtocol = 'DRAG'; - break; - case 1003: // any event mouse - // any event - sends motion events, - // even if there is no button held down. - this._coreMouseService.activeProtocol = 'ANY'; - break; - case 1004: // send focusin/focusout events - // focusin: ^[[I - // focusout: ^[[O - this._terminal.sendFocus = true; - break; - case 1005: // utf8 ext mode mouse - removed in #2507 - this._logService.debug('DECSET 1005 not supported (see #2507)'); - break; - case 1006: // sgr ext mode mouse - this._coreMouseService.activeEncoding = 'SGR'; - break; - case 1015: // urxvt ext mode mouse - removed in #2507 - this._logService.debug('DECSET 1015 not supported (see #2507)'); - break; - case 25: // show cursor - this._terminal.cursorHidden = false; - break; - case 1048: // alt screen cursor - this.saveCursor(); - break; - case 1049: // alt screen buffer cursor - this.saveCursor(); - // FALL-THROUGH - case 47: // alt screen buffer - case 1047: // alt screen buffer - this._bufferService.buffers.activateAltBuffer(this._terminal.eraseAttrData()); - this._terminal.refresh(0, this._bufferService.rows - 1); - if (this._terminal.viewport) { - this._terminal.viewport.syncScrollArea(); - } - this._terminal.showCursor(); - break; - case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste) - this._terminal.bracketedPasteMode = true; - break; - } - } - } - - - /** - * CSI Pm l Reset Mode (RM). - * Ps = 2 -> Keyboard Action Mode (AM). - * Ps = 4 -> Replace Mode (IRM). - * Ps = 1 2 -> Send/receive (SRM). - * Ps = 2 0 -> Normal Linefeed (LNM). - * CSI ? Pm l - * DEC Private Mode Reset (DECRST). - * Ps = 1 -> Normal Cursor Keys (DECCKM). - * Ps = 2 -> Designate VT52 mode (DECANM). - * Ps = 3 -> 80 Column Mode (DECCOLM). - * Ps = 4 -> Jump (Fast) Scroll (DECSCLM). - * Ps = 5 -> Normal Video (DECSCNM). - * Ps = 6 -> Normal Cursor Mode (DECOM). - * Ps = 7 -> No Wraparound Mode (DECAWM). - * Ps = 8 -> No Auto-repeat Keys (DECARM). - * Ps = 9 -> Don't send Mouse X & Y on button press. - * Ps = 1 0 -> Hide toolbar (rxvt). - * Ps = 1 2 -> Stop Blinking Cursor (att610). - * Ps = 1 8 -> Don't print form feed (DECPFF). - * Ps = 1 9 -> Limit print to scrolling region (DECPEX). - * Ps = 2 5 -> Hide Cursor (DECTCEM). - * Ps = 3 0 -> Don't show scrollbar (rxvt). - * Ps = 3 5 -> Disable font-shifting functions (rxvt). - * Ps = 4 0 -> Disallow 80 -> 132 Mode. - * Ps = 4 1 -> No more(1) fix (see curses resource). - * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC- - * NRCM). - * Ps = 4 4 -> Turn Off Margin Bell. - * Ps = 4 5 -> No Reverse-wraparound Mode. - * Ps = 4 6 -> Stop Logging. (This is normally disabled by a - * compile-time option). - * Ps = 4 7 -> Use Normal Screen Buffer. - * Ps = 6 6 -> Numeric keypad (DECNKM). - * Ps = 6 7 -> Backarrow key sends delete (DECBKM). - * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and - * release. See the section Mouse Tracking. - * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking. - * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking. - * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking. - * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events. - * Ps = 1 0 0 5 -> Disable Extended Mouse Mode. - * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output - * (rxvt). - * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt). - * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables - * the eightBitInput resource). - * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num- - * Lock keys. (This disables the numLock resource). - * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key. - * (This disables the metaSendsEscape resource). - * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad - * Delete key. - * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key. - * (This disables the altSendsEscape resource). - * Ps = 1 0 4 0 -> Do not keep selection when not highlighted. - * (This disables the keepSelection resource). - * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables - * the selectToClipboard resource). - * Ps = 1 0 4 2 -> Disable Urgency window manager hint when - * Control-G is received. (This disables the bellIsUrgent - * resource). - * Ps = 1 0 4 3 -> Disable raising of the window when Control- - * G is received. (This disables the popOnBell resource). - * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen - * first if in the Alternate Screen. (This may be disabled by - * the titeInhibit resource). - * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be - * disabled by the titeInhibit resource). - * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor - * as in DECRC. (This may be disabled by the titeInhibit - * resource). This combines the effects of the 1 0 4 7 and 1 0 - * 4 8 modes. Use this with terminfo-based applications rather - * than the 4 7 mode. - * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode. - * Ps = 1 0 5 1 -> Reset Sun function-key mode. - * Ps = 1 0 5 2 -> Reset HP function-key mode. - * Ps = 1 0 5 3 -> Reset SCO function-key mode. - * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6). - * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style. - * Ps = 2 0 0 4 -> Reset bracketed paste mode. - */ - public resetMode(params: IParams): void { - for (let i = 0; i < params.length; i++) { - switch (params.params[i]) { - case 4: - this._terminal.insertMode = false; - break; - case 20: - // this._t.convertEol = false; - break; - } - } - } - public resetModePrivate(params: IParams): void { - for (let i = 0; i < params.length; i++) { - switch (params.params[i]) { - case 1: - this._coreService.decPrivateModes.applicationCursorKeys = false; - break; - case 3: - // TODO: move DECCOLM into compat addon - // Note: This impl currently does not enforce col 80, instead reverts - // to previous terminal width before entering DECCOLM 132 - if (this._bufferService.cols === 132 && this._terminal.savedCols) { - this._terminal.resize(this._terminal.savedCols, this._bufferService.rows); - } - delete this._terminal.savedCols; - this._terminal.reset(); - break; - case 6: - this._terminal.originMode = false; - this._setCursor(0, 0); - break; - case 7: - this._terminal.wraparoundMode = false; - break; - case 12: - // this.cursorBlink = false; - break; - case 66: - this._logService.debug('Switching back to normal keypad.'); - this._terminal.applicationKeypad = false; - if (this._terminal.viewport) { - this._terminal.viewport.syncScrollArea(); - } - break; - case 9: // X10 Mouse - case 1000: // vt200 mouse - case 1002: // button event mouse - case 1003: // any event mouse - this._coreMouseService.activeProtocol = 'NONE'; - break; - case 1004: // send focusin/focusout events - this._terminal.sendFocus = false; - break; - case 1005: // utf8 ext mode mouse - removed in #2507 - this._logService.debug('DECRST 1005 not supported (see #2507)'); - break; - case 1006: // sgr ext mode mouse - this._coreMouseService.activeEncoding = 'DEFAULT'; - break; - case 1015: // urxvt ext mode mouse - removed in #2507 - this._logService.debug('DECRST 1015 not supported (see #2507)'); - break; - case 25: // hide cursor - this._terminal.cursorHidden = true; - break; - case 1048: // alt screen cursor - this.restoreCursor(); - break; - case 1049: // alt screen buffer cursor - // FALL-THROUGH - case 47: // normal screen buffer - case 1047: // normal screen buffer - clearing it first - // Ensure the selection manager has the correct buffer - this._bufferService.buffers.activateNormalBuffer(); - if (params.params[i] === 1049) { - this.restoreCursor(); - } - this._terminal.refresh(0, this._bufferService.rows - 1); - if (this._terminal.viewport) { - this._terminal.viewport.syncScrollArea(); - } - this._terminal.showCursor(); - break; - case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste) - this._terminal.bracketedPasteMode = false; - break; - } - } - } - - /** - * Helper to extract and apply color params/subparams. - * Returns advance for params index. - */ - private _extractColor(params: IParams, pos: number, attr: IAttributeData): number { - // normalize params - // meaning: [target, CM, ign, val, val, val] - // RGB : [ 38/48, 2, ign, r, g, b] - // P256 : [ 38/48, 5, ign, v, ign, ign] - const accu = [0, 0, -1, 0, 0, 0]; - - // alignment placeholder for non color space sequences - let cSpace = 0; - - // return advance we took in params - let advance = 0; - - do { - accu[advance + cSpace] = params.params[pos + advance]; - if (params.hasSubParams(pos + advance)) { - const subparams = params.getSubParams(pos + advance); - let i = 0; - do { - if (accu[1] === 5) { - cSpace = 1; - } - accu[advance + i + 1 + cSpace] = subparams[i]; - } while (++i < subparams.length && i + advance + 1 + cSpace < accu.length); - break; - } - // exit early if can decide color mode with semicolons - if ((accu[1] === 5 && advance + cSpace >= 2) - || (accu[1] === 2 && advance + cSpace >= 5)) { - break; - } - // offset colorSpace slot for semicolon mode - if (accu[1]) { - cSpace = 1; - } - } while (++advance + pos < params.length && advance + cSpace < accu.length); - - // set default values to 0 - for (let i = 2; i < accu.length; ++i) { - if (accu[i] === -1) { - accu[i] = 0; - } - } - - // apply colors - if (accu[0] === 38) { - if (accu[1] === 2) { - attr.fg |= Attributes.CM_RGB; - attr.fg &= ~Attributes.RGB_MASK; - attr.fg |= AttributeData.fromColorRGB([accu[3], accu[4], accu[5]]); - } else if (accu[1] === 5) { - attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK); - attr.fg |= Attributes.CM_P256 | (accu[3] & 0xff); - } - } else if (accu[0] === 48) { - if (accu[1] === 2) { - attr.bg |= Attributes.CM_RGB; - attr.bg &= ~Attributes.RGB_MASK; - attr.bg |= AttributeData.fromColorRGB([accu[3], accu[4], accu[5]]); - } else if (accu[1] === 5) { - attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK); - attr.bg |= Attributes.CM_P256 | (accu[3] & 0xff); - } - } - - return advance; - } - - /** - * CSI Pm m Character Attributes (SGR). - * Ps = 0 -> Normal (default). - * Ps = 1 -> Bold. - * Ps = 2 -> Faint, decreased intensity (ISO 6429). - * Ps = 4 -> Underlined. - * Ps = 5 -> Blink (appears as Bold). - * Ps = 7 -> Inverse. - * Ps = 8 -> Invisible, i.e., hidden (VT300). - * Ps = 2 2 -> Normal (neither bold nor faint). - * Ps = 2 4 -> Not underlined. - * Ps = 2 5 -> Steady (not blinking). - * Ps = 2 7 -> Positive (not inverse). - * Ps = 2 8 -> Visible, i.e., not hidden (VT300). - * Ps = 3 0 -> Set foreground color to Black. - * Ps = 3 1 -> Set foreground color to Red. - * Ps = 3 2 -> Set foreground color to Green. - * Ps = 3 3 -> Set foreground color to Yellow. - * Ps = 3 4 -> Set foreground color to Blue. - * Ps = 3 5 -> Set foreground color to Magenta. - * Ps = 3 6 -> Set foreground color to Cyan. - * Ps = 3 7 -> Set foreground color to White. - * Ps = 3 9 -> Set foreground color to default (original). - * Ps = 4 0 -> Set background color to Black. - * Ps = 4 1 -> Set background color to Red. - * Ps = 4 2 -> Set background color to Green. - * Ps = 4 3 -> Set background color to Yellow. - * Ps = 4 4 -> Set background color to Blue. - * Ps = 4 5 -> Set background color to Magenta. - * Ps = 4 6 -> Set background color to Cyan. - * Ps = 4 7 -> Set background color to White. - * Ps = 4 9 -> Set background color to default (original). - * - * If 16-color support is compiled, the following apply. Assume - * that xterm's resources are set so that the ISO color codes are - * the first 8 of a set of 16. Then the aixterm colors are the - * bright versions of the ISO colors: - * Ps = 9 0 -> Set foreground color to Black. - * Ps = 9 1 -> Set foreground color to Red. - * Ps = 9 2 -> Set foreground color to Green. - * Ps = 9 3 -> Set foreground color to Yellow. - * Ps = 9 4 -> Set foreground color to Blue. - * Ps = 9 5 -> Set foreground color to Magenta. - * Ps = 9 6 -> Set foreground color to Cyan. - * Ps = 9 7 -> Set foreground color to White. - * Ps = 1 0 0 -> Set background color to Black. - * Ps = 1 0 1 -> Set background color to Red. - * Ps = 1 0 2 -> Set background color to Green. - * Ps = 1 0 3 -> Set background color to Yellow. - * Ps = 1 0 4 -> Set background color to Blue. - * Ps = 1 0 5 -> Set background color to Magenta. - * Ps = 1 0 6 -> Set background color to Cyan. - * Ps = 1 0 7 -> Set background color to White. - * - * If xterm is compiled with the 16-color support disabled, it - * supports the following, from rxvt: - * Ps = 1 0 0 -> Set foreground and background color to - * default. - * - * If 88- or 256-color support is compiled, the following apply. - * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second - * Ps. - * Ps = 4 8 ; 5 ; Ps -> Set background color to the second - * Ps. - */ - public charAttributes(params: IParams): void { - // Optimize a single SGR0. - if (params.length === 1 && params.params[0] === 0) { - this._terminal.curAttrData.fg = DEFAULT_ATTR_DATA.fg; - this._terminal.curAttrData.bg = DEFAULT_ATTR_DATA.bg; - return; - } - - const l = params.length; - let p; - const attr = this._terminal.curAttrData; - - for (let i = 0; i < l; i++) { - p = params.params[i]; - if (p >= 30 && p <= 37) { - // fg color 8 - attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK); - attr.fg |= Attributes.CM_P16 | (p - 30); - } else if (p >= 40 && p <= 47) { - // bg color 8 - attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK); - attr.bg |= Attributes.CM_P16 | (p - 40); - } else if (p >= 90 && p <= 97) { - // fg color 16 - attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK); - attr.fg |= Attributes.CM_P16 | (p - 90) | 8; - } else if (p >= 100 && p <= 107) { - // bg color 16 - attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK); - attr.bg |= Attributes.CM_P16 | (p - 100) | 8; - } else if (p === 0) { - // default - attr.fg = DEFAULT_ATTR_DATA.fg; - attr.bg = DEFAULT_ATTR_DATA.bg; - } else if (p === 1) { - // bold text - attr.fg |= FgFlags.BOLD; - } else if (p === 3) { - // italic text - attr.bg |= BgFlags.ITALIC; - } else if (p === 4) { - // underlined text - attr.fg |= FgFlags.UNDERLINE; - } else if (p === 5) { - // blink - attr.fg |= FgFlags.BLINK; - } else if (p === 7) { - // inverse and positive - // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m' - attr.fg |= FgFlags.INVERSE; - } else if (p === 8) { - // invisible - attr.fg |= FgFlags.INVISIBLE; - } else if (p === 2) { - // dimmed text - attr.bg |= BgFlags.DIM; - } else if (p === 22) { - // not bold nor faint - attr.fg &= ~FgFlags.BOLD; - attr.bg &= ~BgFlags.DIM; - } else if (p === 23) { - // not italic - attr.bg &= ~BgFlags.ITALIC; - } else if (p === 24) { - // not underlined - attr.fg &= ~FgFlags.UNDERLINE; - } else if (p === 25) { - // not blink - attr.fg &= ~FgFlags.BLINK; - } else if (p === 27) { - // not inverse - attr.fg &= ~FgFlags.INVERSE; - } else if (p === 28) { - // not invisible - attr.fg &= ~FgFlags.INVISIBLE; - } else if (p === 39) { - // reset fg - attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK); - attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK); - } else if (p === 49) { - // reset bg - attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK); - attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK); - } else if (p === 38 || p === 48) { - // fg color 256 and RGB - i += this._extractColor(params, i, attr); - } else if (p === 100) { - // reset fg/bg - attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK); - attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK); - attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK); - attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK); - } else { - this._logService.debug('Unknown SGR attribute: %d.', p); - } - } - } - - /** - * CSI Ps n Device Status Report (DSR). - * Ps = 5 -> Status Report. Result (``OK'') is - * CSI 0 n - * Ps = 6 -> Report Cursor Position (CPR) [row;column]. - * Result is - * CSI r ; c R - * CSI ? Ps n - * Device Status Report (DSR, DEC-specific). - * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI - * ? r ; c R (assumes page is zero). - * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready). - * or CSI ? 1 1 n (not ready). - * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked) - * or CSI ? 2 1 n (locked). - * Ps = 2 6 -> Report Keyboard status as - * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American). - * The last two parameters apply to VT400 & up, and denote key- - * board ready and LK01 respectively. - * Ps = 5 3 -> Report Locator status as - * CSI ? 5 3 n Locator available, if compiled-in, or - * CSI ? 5 0 n No Locator, if not. - */ - public deviceStatus(params: IParams): void { - switch (params.params[0]) { - case 5: - // status report - this._coreService.triggerDataEvent(`${C0.ESC}[0n`); - break; - case 6: - // cursor position - const y = this._bufferService.buffer.y + 1; - const x = this._bufferService.buffer.x + 1; - this._coreService.triggerDataEvent(`${C0.ESC}[${y};${x}R`); - break; - } - } - - public deviceStatusPrivate(params: IParams): void { - // modern xterm doesnt seem to - // respond to any of these except ?6, 6, and 5 - switch (params.params[0]) { - case 6: - // cursor position - const y = this._bufferService.buffer.y + 1; - const x = this._bufferService.buffer.x + 1; - this._coreService.triggerDataEvent(`${C0.ESC}[?${y};${x}R`); - break; - case 15: - // no printer - // this.handler(C0.ESC + '[?11n'); - break; - case 25: - // dont support user defined keys - // this.handler(C0.ESC + '[?21n'); - break; - case 26: - // north american keyboard - // this.handler(C0.ESC + '[?27;1;0;0n'); - break; - case 53: - // no dec locator/mouse - // this.handler(C0.ESC + '[?50n'); - break; - } - } - - /** - * CSI ! p Soft terminal reset (DECSTR). - * http://vt100.net/docs/vt220-rm/table4-10.html - */ - public softReset(params: IParams): void { - this._terminal.cursorHidden = false; - this._terminal.insertMode = false; - this._terminal.originMode = false; - this._terminal.wraparoundMode = true; // defaults: xterm - true, vt100 - false - this._terminal.applicationKeypad = false; // ? - if (this._terminal.viewport) { - this._terminal.viewport.syncScrollArea(); - } - this._coreService.decPrivateModes.applicationCursorKeys = false; - this._bufferService.buffer.scrollTop = 0; - this._bufferService.buffer.scrollBottom = this._bufferService.rows - 1; - this._terminal.curAttrData = DEFAULT_ATTR_DATA.clone(); - this._bufferService.buffer.x = this._bufferService.buffer.y = 0; // ? - this._terminal.charset = null; - this._terminal.glevel = 0; // ?? - this._terminal.charsets = [null]; // ?? - } - - /** - * CSI Ps SP q Set cursor style (DECSCUSR, VT520). - * Ps = 0 -> blinking block. - * Ps = 1 -> blinking block (default). - * Ps = 2 -> steady block. - * Ps = 3 -> blinking underline. - * Ps = 4 -> steady underline. - * Ps = 5 -> blinking bar (xterm). - * Ps = 6 -> steady bar (xterm). - */ - public setCursorStyle(params: IParams): void { - const param = params.params[0] || 1; - switch (param) { - case 1: - case 2: - this._optionsService.options.cursorStyle = 'block'; - break; - case 3: - case 4: - this._optionsService.options.cursorStyle = 'underline'; - break; - case 5: - case 6: - this._optionsService.options.cursorStyle = 'bar'; - break; - } - const isBlinking = param % 2 === 1; - this._optionsService.options.cursorBlink = isBlinking; - } - - /** - * CSI Ps ; Ps r - * Set Scrolling Region [top;bottom] (default = full size of win- - * dow) (DECSTBM). - */ - public setScrollRegion(params: IParams): void { - const top = params.params[0] || 1; - let bottom: number; - - if (params.length < 2 || (bottom = params.params[1]) > this._bufferService.rows || bottom === 0) { - bottom = this._bufferService.rows; - } - - if (bottom > top) { - this._bufferService.buffer.scrollTop = top - 1; - this._bufferService.buffer.scrollBottom = bottom - 1; - this._setCursor(0, 0); - } - } - - - /** - * CSI s - * ESC 7 - * Save cursor (ANSI.SYS). - */ - public saveCursor(params?: IParams): void { - this._bufferService.buffer.savedX = this._bufferService.buffer.x; - this._bufferService.buffer.savedY = this._bufferService.buffer.ybase + this._bufferService.buffer.y; - this._bufferService.buffer.savedCurAttrData.fg = this._terminal.curAttrData.fg; - this._bufferService.buffer.savedCurAttrData.bg = this._terminal.curAttrData.bg; - this._bufferService.buffer.savedCharset = this._terminal.charset; - } - - - /** - * CSI u - * ESC 8 - * Restore cursor (ANSI.SYS). - */ - public restoreCursor(params?: IParams): void { - this._bufferService.buffer.x = this._bufferService.buffer.savedX || 0; - this._bufferService.buffer.y = Math.max(this._bufferService.buffer.savedY - this._bufferService.buffer.ybase, 0); - this._terminal.curAttrData.fg = this._bufferService.buffer.savedCurAttrData.fg; - this._terminal.curAttrData.bg = this._bufferService.buffer.savedCurAttrData.bg; - this._terminal.charset = (this as any)._savedCharset; - if (this._bufferService.buffer.savedCharset) { - this._terminal.charset = this._bufferService.buffer.savedCharset; - } - this._restrictCursor(); - } - - - /** - * OSC 0; ST (set icon name + window title) - * OSC 2; ST (set window title) - * Proxy to set window title. Icon name is not supported. - */ - public setTitle(data: string): void { - this._terminal.handleTitle(data); - } - - /** - * ESC E - * C1.NEL - * DEC mnemonic: NEL (https://vt100.net/docs/vt510-rm/NEL) - * Moves cursor to first position on next line. - */ - public nextLine(): void { - this._bufferService.buffer.x = 0; - this.index(); - } - - /** - * ESC = - * DEC mnemonic: DECKPAM (https://vt100.net/docs/vt510-rm/DECKPAM.html) - * Enables the numeric keypad to send application sequences to the host. - */ - public keypadApplicationMode(): void { - this._logService.debug('Serial port requested application keypad.'); - this._terminal.applicationKeypad = true; - if (this._terminal.viewport) { - this._terminal.viewport.syncScrollArea(); - } - } - - /** - * ESC > - * DEC mnemonic: DECKPNM (https://vt100.net/docs/vt510-rm/DECKPNM.html) - * Enables the keypad to send numeric characters to the host. - */ - public keypadNumericMode(): void { - this._logService.debug('Switching back to normal keypad.'); - this._terminal.applicationKeypad = false; - if (this._terminal.viewport) { - this._terminal.viewport.syncScrollArea(); - } - } - - /** - * ESC % @ - * ESC % G - * Select default character set. UTF-8 is not supported (string are unicode anyways) - * therefore ESC % G does the same. - */ - public selectDefaultCharset(): void { - this._terminal.setgLevel(0); - this._terminal.setgCharset(0, DEFAULT_CHARSET); // US (default) - } - - /** - * ESC ( C - * Designate G0 Character Set, VT100, ISO 2022. - * ESC ) C - * Designate G1 Character Set (ISO 2022, VT100). - * ESC * C - * Designate G2 Character Set (ISO 2022, VT220). - * ESC + C - * Designate G3 Character Set (ISO 2022, VT220). - * ESC - C - * Designate G1 Character Set (VT300). - * ESC . C - * Designate G2 Character Set (VT300). - * ESC / C - * Designate G3 Character Set (VT300). C = A -> ISO Latin-1 Supplemental. - Supported? - */ - public selectCharset(collectAndFlag: string): void { - if (collectAndFlag.length !== 2) { - this.selectDefaultCharset(); - return; - } - if (collectAndFlag[0] === '/') { - return; // TODO: Is this supported? - } - this._terminal.setgCharset(GLEVEL[collectAndFlag[0]], CHARSETS[collectAndFlag[1]] || DEFAULT_CHARSET); - return; - } - - /** - * ESC D - * C1.IND - * DEC mnemonic: IND (https://vt100.net/docs/vt510-rm/IND.html) - * Moves the cursor down one line in the same column. - */ - public index(): void { - this._restrictCursor(); - const buffer = this._bufferService.buffer; - this._bufferService.buffer.y++; - if (buffer.y === buffer.scrollBottom + 1) { - buffer.y--; - this._terminal.scroll(); - } else if (buffer.y >= this._bufferService.rows) { - buffer.y = this._bufferService.rows - 1; - } - this._restrictCursor(); - } - - /** - * ESC H - * C1.HTS - * DEC mnemonic: HTS (https://vt100.net/docs/vt510-rm/HTS.html) - * Sets a horizontal tab stop at the column position indicated by - * the value of the active column when the terminal receives an HTS. - */ - public tabSet(): void { - this._bufferService.buffer.tabs[this._bufferService.buffer.x] = true; - } - - /** - * ESC M - * C1.RI - * DEC mnemonic: HTS - * Moves the cursor up one line in the same column. If the cursor is at the top margin, - * the page scrolls down. - */ - public reverseIndex(): void { - this._restrictCursor(); - const buffer = this._bufferService.buffer; - if (buffer.y === buffer.scrollTop) { - // possibly move the code below to term.reverseScroll(); - // test: echo -ne '\e[1;1H\e[44m\eM\e[0m' - // blankLine(true) is xterm/linux behavior - const scrollRegionHeight = buffer.scrollBottom - buffer.scrollTop; - buffer.lines.shiftElements(buffer.y + buffer.ybase, scrollRegionHeight, 1); - buffer.lines.set(buffer.y + buffer.ybase, buffer.getBlankLine(this._terminal.eraseAttrData())); - this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom); - } else { - buffer.y--; - this._restrictCursor(); // quickfix to not run out of bounds - } - } - - /** - * ESC c - * DEC mnemonic: RIS (https://vt100.net/docs/vt510-rm/RIS.html) - * Reset to initial state. - */ - public reset(): void { - this._parser.reset(); - this._terminal.reset(); // TODO: save to move from terminal? - } - - /** - * ESC n - * ESC o - * ESC | - * ESC } - * ESC ~ - * DEC mnemonic: LS (https://vt100.net/docs/vt510-rm/LS.html) - * When you use a locking shift, the character set remains in GL or GR until - * you use another locking shift. (partly supported) - */ - public setgLevel(level: number): void { - this._terminal.setgLevel(level); // TODO: save to move from terminal? - } - - /** - * ESC # 8 - * DEC mnemonic: DECALN (https://vt100.net/docs/vt510-rm/DECALN.html) - * This control function fills the complete screen area with - * a test pattern (E) used for adjusting screen alignment. - * - * TODO: move DECALN into compat addon - */ - public screenAlignmentPattern(): void { - // prepare cell data - const cell = new CellData(); - cell.content = 1 << Content.WIDTH_SHIFT | 'E'.charCodeAt(0); - cell.fg = this._terminal.curAttrData.fg; - cell.bg = this._terminal.curAttrData.bg; - - const buffer = this._bufferService.buffer; - - this._setCursor(0, 0); - for (let yOffset = 0; yOffset < this._bufferService.rows; ++yOffset) { - const row = buffer.y + buffer.ybase + yOffset; - buffer.lines.get(row).fill(cell); - buffer.lines.get(row).isWrapped = false; - } - this._dirtyRowService.markAllDirty(); - this._setCursor(0, 0); - } -}