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1381 lines
44 KiB
1381 lines
44 KiB
const EventEmitter = require('events')
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const { parse2B } = require('../utils')
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const { themes } = require('./themes')
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const encodeAsCodePoint = i => String.fromCodePoint(i + (i >= 0xD800 ? 0x801 : 1))
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class ANSIParser {
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constructor (handler) {
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this.reset()
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this.handler = handler
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this.joinChunks = true
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}
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reset () {
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this.currentSequence = 0
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this.sequence = ''
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}
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parseSequence (sequence) {
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if (sequence[0] === '[') {
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let type = sequence[sequence.length - 1]
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let content = sequence.substring(1, sequence.length - 1)
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let numbers = content ? content.split(';').map(i => +i.replace(/\D/g, '')) : []
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let numOr1 = numbers.length ? numbers[0] : 1
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if (type === 'H') {
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this.handler('set-cursor', (numbers[0] | 0) - 1, (numbers[1] | 0) - 1)
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} else if (type >= 'A' && type <= 'D') {
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this.handler(`move-cursor-${type <= 'B' ? 'y' : 'x'}`, ((type === 'B' || type === 'C') ? 1 : -1) * numOr1)
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} else if (type === 'E' || type === 'F') {
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this.handler('move-cursor-line', (type === 'E' ? 1 : -1) * numOr1)
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} else if (type === 'G') {
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this.handler('set-cursor-x', numOr1 - 1)
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} else if (type === 'J') {
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let number = numbers.length ? numbers[0] : 2
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if (number === 2) this.handler('clear')
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} else if (type === 'P') {
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this.handler('delete', numOr1)
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} else if (type === '@') {
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this.handler('insert-blanks', numOr1)
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} else if (type === 'q') this.handler('set-cursor-style', numOr1)
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else if (type === 'm') {
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if (!numbers.length) {
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this.handler('reset-style')
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return
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}
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let type
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while ((type = numbers.shift())) {
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if (type === 0) this.handler('reset-style')
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else if (type === 1) this.handler('add-attrs', 1 << 2) // bold
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else if (type === 2) this.handler('add-attrs', 1 << 9) // faint
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else if (type === 3) this.handler('add-attrs', 1 << 6) // italic
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else if (type === 4) this.handler('add-attrs', 1 << 3) // underline
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else if (type === 5 || type === 6) this.handler('add-attrs', 1 << 5) // blink
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else if (type === 7) this.handler('add-attrs', 1 << 4) // invert
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else if (type === 9) this.handler('add-attrs', 1 << 7) // strike
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else if (type === 20) this.handler('add-attrs', 1 << 10) // fraktur
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else if (type >= 30 && type <= 37) this.handler('set-color-fg', type % 10)
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else if (type >= 40 && type <= 47) this.handler('set-color-bg', type % 10)
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else if (type === 39) this.handler('reset-color-fg')
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else if (type === 49) this.handler('reset-color-bg')
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else if (type >= 90 && type <= 98) this.handler('set-color-fg', (type % 10) + 8)
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else if (type >= 100 && type <= 108) this.handler('set-color-bg', (type % 10) + 8)
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else if (type === 38 || type === 48) {
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let mode = numbers.shift()
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if (mode === 2) {
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let r = numbers.shift()
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let g = numbers.shift()
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let b = numbers.shift()
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let color = (r << 16 | g << 8 | b) + 256
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if (type === 38) this.handler('set-color-fg', color)
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if (type === 48) this.handler('set-color-bg', color)
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} else if (mode === 5) {
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let color = (numbers.shift() | 0) & 0xFF
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if (type === 38) this.handler('set-color-fg', color)
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if (type === 48) this.handler('set-color-bg', color)
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}
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}
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}
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} else if (type === 'h' || type === 'l') {
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if (content === '?25') {
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if (type === 'h') this.handler('show-cursor')
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else if (type === 'l') this.handler('hide-cursor')
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}
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}
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}
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}
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write (text) {
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for (let character of text.toString()) {
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let code = character.codePointAt(0)
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if (code === 0x1b) this.currentSequence = 1
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else if (this.currentSequence === 1 && character === '[') {
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this.currentSequence = 2
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this.sequence += '['
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} else if (this.currentSequence && character.match(/[\x40-\x7e]/)) {
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this.parseSequence(this.sequence + character)
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this.currentSequence = 0
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this.sequence = ''
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} else if (this.currentSequence > 1) this.sequence += character
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else if (this.currentSequence === 1) {
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// something something nothing
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this.currentSequence = 0
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this.handler('write', character)
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} else if (code < 0x03) this.handler('_null')
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else if (code === 0x03) this.handler('sigint')
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else if (code <= 0x06) this.handler('_null')
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else if (code === 0x07) this.handler('bell')
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else if (code === 0x08) this.handler('back')
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else if (code === 0x09) this.handler('tab')
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else if (code === 0x0a) this.handler('new-line')
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else if (code === 0x0d) this.handler('return')
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else if (code === 0x15) this.handler('delete-line')
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else if (code === 0x17) this.handler('delete-word')
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else this.handler('write', character)
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}
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if (!this.joinChunks) this.reset()
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}
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}
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const TERM_DEFAULT_STYLE = [0, 0, 0]
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let getRainbowColor = t => {
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let r = Math.floor(Math.sin(t) * 2.5 + 2.5)
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let g = Math.floor(Math.sin(t + 2 / 3 * Math.PI) * 2.5 + 2.5)
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let b = Math.floor(Math.sin(t + 4 / 3 * Math.PI) * 2.5 + 2.5)
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return 16 + 36 * r + 6 * g + b
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}
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class ScrollingTerminal {
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constructor (screen) {
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this.width = 80
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this.height = 25
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this.termScreen = screen
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this.parser = new ANSIParser((...args) => this.handleParsed(...args))
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this.buttonLabels = []
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this.reset()
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this._lastLoad = Date.now()
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this.loadTimer()
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window.showPage()
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}
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reset () {
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this.style = TERM_DEFAULT_STYLE.slice()
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this.cursor = { x: 0, y: 0, style: 1, visible: true }
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this.trackMouse = false
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this.theme = 0
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this.defaultFG = 7
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this.defaultBG = 0
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this.rainbow = this.superRainbow = false
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this.parser.reset()
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this.clear()
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}
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clear () {
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this.screen = []
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for (let i = 0; i < this.width * this.height; i++) {
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this.screen.push([' ', this.style.slice()])
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}
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}
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scroll () {
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this.screen.splice(0, this.width)
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for (let i = 0; i < this.width; i++) {
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this.screen.push([' ', TERM_DEFAULT_STYLE.slice()])
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}
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this.cursor.y--
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}
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newLine () {
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this.cursor.y++
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if (this.cursor.y >= this.height) this.scroll()
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}
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writeChar (character) {
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this.screen[this.cursor.y * this.width + this.cursor.x] = [character, this.style.slice()]
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this.cursor.x++
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if (this.cursor.x >= this.width) {
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this.cursor.x = 0
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this.newLine()
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}
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}
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moveBack (n = 1) {
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for (let i = 0; i < n; i++) {
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this.cursor.x--
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if (this.cursor.x < 0) {
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if (this.cursor.y > 0) this.cursor.x = this.width - 1
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else this.cursor.x = 0
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this.cursor.y = Math.max(0, this.cursor.y - 1)
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}
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}
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}
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moveForward (n = 1) {
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for (let i = 0; i < n; i++) {
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this.cursor.x++
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if (this.cursor.x >= this.width) {
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this.cursor.x = 0
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this.cursor.y++
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if (this.cursor.y >= this.height) this.scroll()
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}
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}
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}
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deleteChar () { // FIXME unused?
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this.moveBack()
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this.screen.splice((this.cursor.y + 1) * this.width, 0, [' ', TERM_DEFAULT_STYLE.slice()])
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this.screen.splice(this.cursor.y * this.width + this.cursor.x, 1)
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}
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deleteForward (n) {
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n = Math.min(this.width, n)
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for (let i = 0; i < n; i++) this.screen.splice((this.cursor.y + 1) * this.width, 0, [' ', TERM_DEFAULT_STYLE.slice()])
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this.screen.splice(this.cursor.y * this.width + this.cursor.x, n)
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}
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clampCursor () {
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if (this.cursor.x < 0) this.cursor.x = 0
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if (this.cursor.y < 0) this.cursor.y = 0
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if (this.cursor.x > this.width - 1) this.cursor.x = this.width - 1
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if (this.cursor.y > this.height - 1) this.cursor.y = this.height - 1
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}
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handleParsed (action, ...args) {
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if (action === 'write') {
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this.writeChar(args[0])
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} else if (action === 'delete') {
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this.deleteForward(args[0])
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} else if (action === 'insert-blanks') {
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this.insertBlanks(args[0]) // FIXME undefined?
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} else if (action === 'clear') {
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this.clear()
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} else if (action === 'bell') {
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this.termScreen.load('U\x01B')
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} else if (action === 'back') {
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this.moveBack()
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} else if (action === 'new-line') {
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this.newLine()
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this.cursor.x = 0
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} else if (action === 'return') {
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this.cursor.x = 0
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} else if (action === 'set-cursor') {
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this.cursor.x = args[1]
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this.cursor.y = args[0]
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this.clampCursor()
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} else if (action === 'move-cursor-y') {
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this.cursor.y += args[0]
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this.clampCursor()
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} else if (action === 'move-cursor-x') {
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this.cursor.x += args[0]
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this.clampCursor()
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} else if (action === 'move-cursor-line') {
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this.cursor.x = 0
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this.cursor.y += args[0]
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this.clampCursor()
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} else if (action === 'set-cursor-x') {
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this.cursor.x = args[0]
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} else if (action === 'set-cursor-style') {
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this.cursor.style = Math.max(0, Math.min(6, args[0]))
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} else if (action === 'reset-style') {
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this.style = TERM_DEFAULT_STYLE.slice()
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} else if (action === 'add-attrs') {
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this.style[2] |= args[0]
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} else if (action === 'set-color-fg') {
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this.style[0] = args[0]
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this.style[2] |= 1
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} else if (action === 'set-color-bg') {
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this.style[1] = args[0]
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this.style[2] |= 1 << 1
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} else if (action === 'reset-color-fg') {
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this.style[0] = 0
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if (this.style[2] & 1) this.style[2] ^= 1
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} else if (action === 'reset-color-bg') {
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this.style[1] = 0
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if (this.style[2] & (1 << 1)) this.style[2] ^= (1 << 1)
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} else if (action === 'hide-cursor') {
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this.cursor.visible = false
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} else if (action === 'show-cursor') {
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this.cursor.visible = true
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}
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}
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write (text) {
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this.parser.write(text)
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}
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getScreenOpts () {
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let data = 'O'
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data += encodeAsCodePoint(25)
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data += encodeAsCodePoint(80)
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data += encodeAsCodePoint(this.theme)
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data += this.encodeColor(this.defaultFG)
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data += this.encodeColor(this.defaultBG)
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let attributes = +this.cursor.visible
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attributes |= (3 << 5) * +this.trackMouse // track mouse controls both
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attributes |= 3 << 7 // buttons/links always visible
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attributes |= (this.cursor.style << 9)
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data += encodeAsCodePoint(attributes)
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return data
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}
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getButtons () {
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let data = 'B'
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data += encodeAsCodePoint(this.buttonLabels.length)
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data += this.buttonLabels.map(x => `\x01${x}\x01`).join('')
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return data
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}
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getTitle () {
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return 'TESPTerm Web UI Demo\x01'
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}
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getCursor () {
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let data = 'C'
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data += encodeAsCodePoint(this.cursor.y)
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data += encodeAsCodePoint(this.cursor.x)
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data += encodeAsCodePoint(0)
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return data
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}
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encodeColor (color) {
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if (color < 256) {
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return encodeAsCodePoint(color)
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} else {
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color -= 256
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return encodeAsCodePoint((color & 0xFFF) | 0x10000) + encodeAsCodePoint(color >> 12)
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}
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}
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serializeScreen () {
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let serialized = 'S'
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serialized += encodeAsCodePoint(0) + encodeAsCodePoint(0)
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serialized += encodeAsCodePoint(this.height) + encodeAsCodePoint(this.width)
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let lastStyle = [null, null, null]
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let index = 0
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for (let cell of this.screen) {
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let style = cell[1].slice()
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if (this.rainbow) {
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let x = index % this.width
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let y = Math.floor(index / this.width)
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// C instead of F in mask and 1 << 8 in attrs to change attr bits 1 and 2
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let t = (x + y) / 10 + Date.now() / 1000
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if (this.superRainbow) {
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t = (x * y + Date.now()) / 100 + Date.now() / 1000
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}
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style[0] = getRainbowColor(t)
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style[1] = 0
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if (this.superRainbow) style[1] = getRainbowColor(t / 10)
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style[2] = style[2] | 1
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if (!this.superRainbow && style[2] & (1 << 1)) style[2] ^= (1 << 1)
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index++
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}
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let foreground = style[0]
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let background = style[1]
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let attributes = style[2]
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let setForeground = foreground !== lastStyle[0]
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let setBackground = background !== lastStyle[1]
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let setAttributes = attributes !== lastStyle[2]
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if (setForeground && setBackground) {
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if (foreground < 256 && background < 256) {
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serialized += '\x03' + encodeAsCodePoint((background << 8) | foreground)
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} else {
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serialized += '\x05' + this.encodeColor(foreground)
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serialized += '\x06' + this.encodeColor(background)
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}
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} else if (setForeground) serialized += '\x05' + this.encodeColor(foreground)
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else if (setBackground) serialized += '\x06' + this.encodeColor(background)
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if (setAttributes) serialized += '\x04' + encodeAsCodePoint(attributes)
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lastStyle = style
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serialized += cell[0]
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}
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return serialized
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}
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getUpdate () {
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let topics = 0
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let topicData = []
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let screenOpts = this.getScreenOpts()
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let title = this.getTitle()
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let buttons = this.getButtons()
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let cursor = this.getCursor()
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let screen = this.serializeScreen()
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if (this._screenOpts !== screenOpts) {
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this._screenOpts = screenOpts
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topicData.push(screenOpts)
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}
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if (this._title !== title) {
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this._title = title
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topicData.push(title)
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}
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if (this._buttons !== buttons) {
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this._buttons = buttons
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topicData.push(buttons)
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}
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if (this._cursor !== cursor) {
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this._cursor = cursor
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topicData.push(cursor)
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}
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if (this._screen !== screen) {
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this._screen = screen
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topicData.push(screen)
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}
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if (!topicData.length) return ''
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return 'U' + encodeAsCodePoint(topics) + topicData.join('')
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}
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loadTimer () {
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clearInterval(this._loadTimer)
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this._loadTimer = setInterval(() => {
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let update = this.getUpdate()
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if (update) this.termScreen.load(update)
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}, 30)
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}
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}
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class Process extends EventEmitter {
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write (data) {
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this.emit('in', data)
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}
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destroy () {
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// death.
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this.emit('exit', 0)
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}
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run () {
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// noop
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}
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}
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let demoData = {
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buttons: [],
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mouseReceiver: null
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}
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let demoshIndex = {
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clear: class Clear extends Process {
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run () {
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this.emit('write', '\x1b[2J\x1b[1;1H')
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this.destroy()
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}
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},
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screenfetch: class Screenfetch extends Process {
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run () {
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let image = `
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###. ESPTerm Demo
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'###. Hostname: ${window.location.hostname}
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'###. Shell: ESPTerm Demo Shell
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'###. Resolution: 80x25@${window.devicePixelRatio}x
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:###-
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.###'
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.###'
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.###' ###############
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###' ###############
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`.split('\n').filter(line => line.trim())
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let chars = ''
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for (let y = 0; y < image.length; y++) {
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for (let x = 0; x < 80; x++) {
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if (image[y][x]) {
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chars += `\x1b[38;5;${getRainbowColor((x + y) / 10)}m${image[y][x]}`
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} else chars += ' '
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}
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}
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this.emit('write', '\r\n\x1b[?25l')
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let loop = () => {
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this.emit('write', chars.substr(0, 80))
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chars = chars.substr(80)
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if (chars.length) setTimeout(loop, 50)
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else {
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this.emit('write', '\r\n\x1b[?25h')
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this.destroy()
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}
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}
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loop()
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}
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},
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'local-echo': class LocalEcho extends Process {
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run (...args) {
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if (!args.includes('--suppress-note')) {
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this.emit('write', '\x1b[38;5;239mNote: not all terminal features are supported and may not work as expected in this demo\x1b[m\n')
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}
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this.emit('buttons', [
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{
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label: 'Exit',
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|
action (shell) {
|
|
shell.write('\x03')
|
|
}
|
|
}
|
|
])
|
|
}
|
|
write (data) {
|
|
this.emit('write', data)
|
|
}
|
|
},
|
|
info: class Info extends Process {
|
|
run (...args) {
|
|
let fast = args.includes('--fast')
|
|
this.showSplash().then(() => {
|
|
this.printText(fast)
|
|
})
|
|
}
|
|
showSplash () {
|
|
let splash = `
|
|
-#####- -###*..#####- ######-
|
|
-#* -#- .## .##. *#-
|
|
-##### .-###*..#####- *#- -*##*- #*-#--#**#-*##-
|
|
-#* -#-.##. *#- *##@#* ##. -#* *# .#*
|
|
-#####--####- .##. *#- -*#@@- ##. -#* *# .#*
|
|
`.split('\n').filter(line => line.trim())
|
|
let levels = {
|
|
' ': -231,
|
|
'.': 4,
|
|
'-': 8,
|
|
'*': 17,
|
|
'#': 24
|
|
}
|
|
let characters = {
|
|
' ': ' ',
|
|
'.': '░',
|
|
'-': '▒',
|
|
'*': '▓',
|
|
'#': '█'
|
|
}
|
|
for (let i in splash) {
|
|
if (splash[i].length < 79) splash[i] += ' '.repeat(79 - splash[i].length)
|
|
}
|
|
this.emit('write', '\r\n'.repeat(splash.length + 1))
|
|
this.emit('write', '\x1b[A'.repeat(splash.length))
|
|
this.emit('write', '\x1b[?25l')
|
|
|
|
let cursorX = 0
|
|
let cursorY = 0
|
|
let moveTo = (x, y) => {
|
|
let moveX = x - cursorX
|
|
let moveY = y - cursorY
|
|
this.emit('write', `\x1b[${Math.abs(moveX)}${moveX > 0 ? 'C' : 'D'}`)
|
|
this.emit('write', `\x1b[${Math.abs(moveY)}${moveY > 0 ? 'B' : 'A'}`)
|
|
cursorX = x
|
|
cursorY = y
|
|
}
|
|
let drawCell = (x, y) => {
|
|
moveTo(x, y)
|
|
if (splash[y][x] === '@') {
|
|
this.emit('write', '\x1b[48;5;238m\x1b[38;5;255m▄\b')
|
|
} else {
|
|
let level = 231 + levels[splash[y][x]]
|
|
let character = characters[splash[y][x]]
|
|
this.emit('write', `\x1b[48;5;${level}m\x1b[38;5;${level}m${character}\b`)
|
|
}
|
|
}
|
|
return new Promise((resolve, reject) => {
|
|
const self = this
|
|
let x = 13
|
|
let cycles = 0
|
|
let loop = function () {
|
|
for (let y = 0; y < splash.length; y++) {
|
|
let dx = x - y
|
|
if (dx > 0) drawCell(dx, y)
|
|
}
|
|
|
|
if (++x < 70) {
|
|
if (++cycles >= 3) {
|
|
setTimeout(loop, 50)
|
|
cycles = 0
|
|
} else loop()
|
|
} else {
|
|
moveTo(0, splash.length)
|
|
self.emit('write', '\x1b[m\x1b[?25h')
|
|
resolve()
|
|
}
|
|
}
|
|
loop()
|
|
})
|
|
}
|
|
printText (fast = false) {
|
|
// lots of printing
|
|
let parts = [
|
|
'',
|
|
' ESPTerm is a VT100-like terminal emulator running on the ESP8266 WiFi chip.',
|
|
'',
|
|
' \x1b[93mThis is an online demo of the web user interface, simulating a simple ',
|
|
' terminal in your browser.\x1b[m',
|
|
'',
|
|
' Type \x1b[92mls\x1b[m to list available commands.',
|
|
' Use the \x1b[94mlinks\x1b[m below this screen for a demo of the options and more info.',
|
|
''
|
|
]
|
|
|
|
if (fast) {
|
|
this.emit('write', parts.join('\r\n') + '\r\n')
|
|
this.destroy()
|
|
} else {
|
|
const self = this
|
|
let loop = function () {
|
|
self.emit('write', parts.shift() + '\r\n')
|
|
if (parts.length) setTimeout(loop, 17)
|
|
else self.destroy()
|
|
}
|
|
loop()
|
|
}
|
|
}
|
|
},
|
|
colors: class PrintColors extends Process {
|
|
run () {
|
|
this.emit('write', '\r\n')
|
|
let fgtext = 'foreground-color'
|
|
this.emit('write', ' ')
|
|
for (let i = 0; i < 16; i++) {
|
|
this.emit('write', '\x1b[' + (i < 8 ? `3${i}` : `9${i - 8}`) + 'm')
|
|
this.emit('write', fgtext[i] + ' ')
|
|
}
|
|
this.emit('write', '\r\n ')
|
|
for (let i = 0; i < 16; i++) {
|
|
this.emit('write', '\x1b[' + (i < 8 ? `4${i}` : `10${i - 8}`) + 'm ')
|
|
}
|
|
this.emit('write', '\x1b[m\r\n')
|
|
for (let r = 0; r < 6; r++) {
|
|
this.emit('write', ' ')
|
|
for (let g = 0; g < 6; g++) {
|
|
for (let b = 0; b < 6; b++) {
|
|
this.emit('write', `\x1b[48;5;${16 + r * 36 + g * 6 + b}m `)
|
|
}
|
|
this.emit('write', '\x1b[m')
|
|
}
|
|
this.emit('write', '\r\n')
|
|
}
|
|
this.emit('write', ' ')
|
|
for (let g = 0; g < 24; g++) {
|
|
this.emit('write', `\x1b[48;5;${232 + g}m `)
|
|
}
|
|
this.emit('write', '\x1b[m\r\n\n')
|
|
this.destroy()
|
|
}
|
|
},
|
|
ls: class ListCommands extends Process {
|
|
run () {
|
|
this.emit('write', '\x1b[92mList of demo commands\x1b[m\r\n')
|
|
for (let i in demoshIndex) {
|
|
if (typeof demoshIndex[i] === 'string') continue
|
|
this.emit('write', i + '\r\n')
|
|
}
|
|
this.destroy()
|
|
}
|
|
},
|
|
theme: class SetTheme extends Process {
|
|
constructor (shell) {
|
|
super()
|
|
this.shell = shell
|
|
}
|
|
run (...args) {
|
|
let theme = +args[0] | 0
|
|
const maxnum = themes.length
|
|
if (!args.length || !Number.isFinite(theme) || theme < 0 || theme >= maxnum) {
|
|
this.emit('write', `\x1b[31mUsage: theme [0–${maxnum - 1}]\n`)
|
|
this.destroy()
|
|
return
|
|
}
|
|
this.shell.terminal.theme = theme
|
|
// HACK: reset drawn screen to prevent only partly redrawn screen
|
|
this.shell.terminal.termScreen.drawnScreenFG = []
|
|
this.emit('write', '')
|
|
this.destroy()
|
|
}
|
|
},
|
|
themes: class ShowThemes extends Process {
|
|
constructor (shell) {
|
|
super()
|
|
this.shell = shell
|
|
this.parser = new ANSIParser((...args) => this.handler(...args))
|
|
}
|
|
|
|
destroy () {
|
|
this.shell.terminal.cursor.style = this.savedCursorStyle
|
|
this.emit('write', '\n\n')
|
|
super.destroy()
|
|
}
|
|
|
|
run (...args) {
|
|
this.savedCursorStyle = this.shell.terminal.cursor.style
|
|
this.shell.terminal.cursor.style = 3
|
|
|
|
this.fgType = 0
|
|
this.bgType = 0
|
|
|
|
let get24FG = () => this.shell.terminal.defaultFG - 256
|
|
let set24FG = v => { this.shell.terminal.defaultFG = v + 256 }
|
|
let get24BG = () => this.shell.terminal.defaultBG - 256
|
|
let set24BG = v => { this.shell.terminal.defaultBG = v + 256 }
|
|
|
|
let make24Control = (label, index, getValue, setValue, type) => {
|
|
index *= 4
|
|
|
|
return {
|
|
label,
|
|
length: 1,
|
|
getValue: () => (getValue() >> index) & 0xF,
|
|
getDisplay: () => ((getValue() >> index) & 0xF).toString(16),
|
|
setValue: value => {
|
|
setValue((getValue() & (0xFFFFFF ^ (0xF << index))) | ((value & 0xF) << index))
|
|
},
|
|
shouldShow: () => this[type + 'Type'] === 1,
|
|
parseValue: input => {
|
|
return parseInt(input, 16) & 0xF
|
|
},
|
|
moveAfterInput: index !== 0
|
|
}
|
|
}
|
|
|
|
this.controls = [
|
|
{
|
|
label: 'Theme: ',
|
|
length: themes.length.toString().length,
|
|
getValue: () => this.shell.terminal.theme,
|
|
setValue: value => {
|
|
let count = themes.length
|
|
this.shell.terminal.theme = ((value % count) + count) % count
|
|
}
|
|
},
|
|
{
|
|
label: ' Default Foreground: ',
|
|
length: 6,
|
|
getValue: () => this.fgType,
|
|
getDisplay: () => this.fgType === 0 ? '256' : '24-bit',
|
|
setValue: value => {
|
|
this.fgType = ((value % 2) + 2) % 2
|
|
}
|
|
},
|
|
{
|
|
label: ' ',
|
|
length: 3,
|
|
getValue: () => this.shell.terminal.defaultFG & 0xFF,
|
|
setValue: value => {
|
|
this.shell.terminal.defaultFG = value & 0xFF
|
|
},
|
|
shouldShow: () => this.fgType === 0,
|
|
parseValue: input => parseInt(input, 16)
|
|
},
|
|
make24Control(' #', 5, get24FG, set24FG, 'fg'),
|
|
make24Control('', 4, get24FG, set24FG, 'fg'),
|
|
make24Control('', 3, get24FG, set24FG, 'fg'),
|
|
make24Control('', 2, get24FG, set24FG, 'fg'),
|
|
make24Control('', 1, get24FG, set24FG, 'fg'),
|
|
make24Control('', 0, get24FG, set24FG, 'fg'),
|
|
{
|
|
label: ' Default Background: ',
|
|
length: 6,
|
|
getValue: () => this.bgType,
|
|
getDisplay: () => this.bgType === 0 ? '256' : '24-bit',
|
|
setValue: value => {
|
|
this.bgType = ((value % 2) + 2) % 2
|
|
}
|
|
},
|
|
{
|
|
label: ' ',
|
|
length: 3,
|
|
getValue: () => this.shell.terminal.defaultBG & 0xFF,
|
|
setValue: value => {
|
|
this.shell.terminal.defaultBG = value & 0xFF
|
|
},
|
|
shouldShow: () => this.bgType === 0,
|
|
parseValue: input => parseInt(input, 16)
|
|
},
|
|
make24Control(' #', 5, get24BG, set24BG, 'bg'),
|
|
make24Control('', 4, get24BG, set24BG, 'bg'),
|
|
make24Control('', 3, get24BG, set24BG, 'bg'),
|
|
make24Control('', 2, get24BG, set24BG, 'bg'),
|
|
make24Control('', 1, get24BG, set24BG, 'bg'),
|
|
make24Control('', 0, get24BG, set24BG, 'bg')
|
|
]
|
|
this.selection = 0
|
|
|
|
this.emit('write', '\x1b[1mThemes\x1b[m\n\n\n\n\x1b[2A')
|
|
|
|
this.render()
|
|
}
|
|
|
|
render () {
|
|
this.emit('write', '\x1b[m\r')
|
|
// no ^[2K implementation, here's a hack
|
|
this.emit('write', ' '.repeat(this.shell.terminal.width - 1) + '\r')
|
|
|
|
let index = 0
|
|
let selectedX = 0
|
|
for (let control of this.controls) {
|
|
if (control.shouldShow && !control.shouldShow()) continue
|
|
if (control.label) {
|
|
this.emit('write', `\x1b[1m${control.label}\x1b[m`)
|
|
}
|
|
// TODO: colors
|
|
this.emit('write', '\x1b[38;5;255m\x1b[48;5;16m')
|
|
let value = control.getDisplay ? control.getDisplay() : control.getValue().toString()
|
|
this.emit('write', (control.fill || ' ').repeat(Math.max(0, control.length - value.length)))
|
|
this.emit('write', value.substr(0, control.length))
|
|
this.emit('write', '\x1b[m')
|
|
|
|
if (index === this.selection) {
|
|
selectedX = this.shell.terminal.cursor.x - 1
|
|
|
|
// draw arrows
|
|
this.emit('write', '\x1b[m\x1b[D\x1b[A▲\x1b[D\x1b[2B▼\x1b[A')
|
|
} else {
|
|
// clear arrows if they were there
|
|
this.emit('write', '\x1b[m\x1b[D\x1b[A \x1b[D\x1b[2B \x1b[A')
|
|
}
|
|
|
|
index++
|
|
}
|
|
|
|
this.shell.terminal.cursor.x = selectedX
|
|
}
|
|
|
|
write (data) {
|
|
this.parser.write(data)
|
|
}
|
|
|
|
getControlCount () {
|
|
let count = 0
|
|
for (let control of this.controls) {
|
|
if (control.shouldShow && !control.shouldShow()) continue
|
|
count++
|
|
}
|
|
return count
|
|
}
|
|
|
|
getSelectedControl () {
|
|
let selected = null
|
|
let index = 0
|
|
for (let control of this.controls) {
|
|
if (control.shouldShow && !control.shouldShow()) continue
|
|
if (index === this.selection) {
|
|
selected = control
|
|
break
|
|
}
|
|
index++
|
|
}
|
|
return selected
|
|
}
|
|
|
|
handler (action, ...args) {
|
|
console.log(action, ...args)
|
|
|
|
if (action === 'move-cursor-x') {
|
|
this.selection += args[0]
|
|
let count = this.getControlCount()
|
|
this.selection = ((this.selection % count) + count) % count
|
|
} else if (action === 'move-cursor-y') {
|
|
let control = this.getSelectedControl()
|
|
if (control) control.setValue(control.getValue() - args[0])
|
|
} else if (action === 'write') {
|
|
let control = this.getSelectedControl()
|
|
if (control && control.parseValue) {
|
|
let parsed = control.parseValue(args[0])
|
|
if (Number.isFinite(parsed)) {
|
|
control.setValue(parsed)
|
|
if (control.moveAfterInput) {
|
|
if (this.selection < this.getControlCount() - 1) this.selection++
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
this.render()
|
|
}
|
|
},
|
|
cursor: class SetCursor extends Process {
|
|
run (...args) {
|
|
let steady = args.includes('--steady')
|
|
if (args.includes('block')) {
|
|
this.emit('write', `\x1b[${2 * steady} q`)
|
|
} else if (args.includes('line')) {
|
|
this.emit('write', `\x1b[${3 + steady} q`)
|
|
} else if (args.includes('bar') || args.includes('beam')) {
|
|
this.emit('write', `\x1b[${5 + steady} q`)
|
|
} else {
|
|
this.emit('write', '\x1b[31mUsage: cursor [block|line|bar] [--steady]\r\n')
|
|
}
|
|
this.destroy()
|
|
}
|
|
},
|
|
rainbow: class ToggleRainbow extends Process {
|
|
constructor (shell, options = {}) {
|
|
super()
|
|
this.shell = shell
|
|
this.su = options.su
|
|
this.abort = false
|
|
}
|
|
write (data, newLine = true) {
|
|
if (data === 'y') {
|
|
this.shell.terminal.rainbow = !this.shell.terminal.rainbow
|
|
this.shell.terminal.superRainbow = true
|
|
demoData._didWarnRainbow = true
|
|
} else {
|
|
this.emit('write', data)
|
|
}
|
|
if (newLine) this.emit('write', '\x1b[0;32m\x1b[G\x1b[79PRainbow!\n')
|
|
this.destroy()
|
|
}
|
|
run () {
|
|
if (this.su && !this.shell.terminal.rainbow) {
|
|
if (!demoData._didWarnRainbow) {
|
|
this.emit('write', '\x1b[31;1mWarning: flashy colors. Continue? [y/N] ')
|
|
} else {
|
|
this.write('y', false)
|
|
}
|
|
} else {
|
|
this.shell.terminal.rainbow = !this.shell.terminal.rainbow
|
|
this.shell.terminal.superRainbow = false
|
|
this.destroy()
|
|
}
|
|
}
|
|
destroy () {
|
|
this.abort = true
|
|
super.destroy()
|
|
}
|
|
},
|
|
mouse: class MouseDemo extends Process {
|
|
constructor (shell) {
|
|
super()
|
|
this.shell = shell
|
|
}
|
|
run () {
|
|
const self = this
|
|
this.emit('buttons', [
|
|
{
|
|
label: 'Exit',
|
|
action (shell) {
|
|
shell.write('\x03')
|
|
}
|
|
},
|
|
{
|
|
label: 'Add Box',
|
|
action () {
|
|
self.boxes.push(self.generateRandomBox())
|
|
self.render()
|
|
}
|
|
}
|
|
])
|
|
|
|
this.shell.terminal.trackMouse = true
|
|
demoData.mouseReceiver = this
|
|
|
|
this.boxes = Array(3).fill(0).map(x => this.generateRandomBox())
|
|
this.grabbedBox = null
|
|
this.grabOffset = [0, 0]
|
|
|
|
this.render()
|
|
}
|
|
render () {
|
|
this.emit('write', '\x1b[m\x1b[2J\x1b[1;1H')
|
|
this.emit('write', '\x1b[97m\x1b[1mMouse Demo\r\n\x1b[mMove boxes around or scroll their contents!')
|
|
|
|
// draw boxes
|
|
for (let box of this.boxes) {
|
|
this.emit('write', `\x1b[${box.y + 1};${box.x + 1}H`)
|
|
this.emit('write', `\x1b[m\x1b[48;2;${box.color.join(';')}m`)
|
|
for (let y = box.y; y < box.y + box.height; y++) {
|
|
let drawnX = 0
|
|
for (let x = box.x; x < box.x + box.width; x++) {
|
|
if (x < 0 || x >= this.shell.terminal.width - 1) continue
|
|
if (y < 0 || y >= this.shell.terminal.height) continue
|
|
drawnX++
|
|
this.emit('write', box.content[y - box.y][x - box.x])
|
|
}
|
|
this.emit('write', '\x1b[D'.repeat(drawnX) + '\x1b[B')
|
|
}
|
|
}
|
|
|
|
// move cursor to mouse
|
|
if (this.mouse) {
|
|
this.emit('write', `\x1b[${this.mouse.y + 1};${this.mouse.x + 1}H`)
|
|
}
|
|
}
|
|
generateRandomBox () {
|
|
let chars = 'abcdefghijklmnopqrstuvwxyz-*()!@#$%'
|
|
let content = []
|
|
let width = [5, 10, 15][Math.floor(Math.random() * 3)]
|
|
let height = [4, 5, 6][Math.floor(Math.random() * 3)]
|
|
|
|
for (let y = 0; y < height; y++) {
|
|
content.push('')
|
|
for (let x = 0; x < width; x++) {
|
|
if (Math.random() > 0.6) {
|
|
content[y] += chars[Math.floor(Math.random() * chars.length)]
|
|
} else content[y] += ' '
|
|
}
|
|
}
|
|
|
|
return {
|
|
x: Math.floor(Math.random() * (this.shell.terminal.width - 1)) + 1,
|
|
y: Math.floor(Math.random() * (this.shell.terminal.height - 1)) + 1,
|
|
width,
|
|
height,
|
|
color: [Math.random(), Math.random(), Math.random()].map(x => Math.floor(x * 255)),
|
|
content
|
|
}
|
|
}
|
|
getBoxAt (x, y) {
|
|
let boxes = this.boxes.slice().reverse() // top to bottom, like drawing order
|
|
for (let box of boxes) {
|
|
if (box.x <= x && box.x + box.width > x && box.y <= y && box.y + box.height > y) {
|
|
return box
|
|
}
|
|
}
|
|
}
|
|
mouseMove (x, y) {
|
|
this.mouse = { x, y }
|
|
if (this.grabbedBox) {
|
|
this.grabbedBox.x = x + this.grabOffset[0]
|
|
this.grabbedBox.y = y + this.grabOffset[1]
|
|
}
|
|
this.render()
|
|
}
|
|
mouseDown (x, y, button) {
|
|
if (button === 4) this.scrollInsideBox(this.getBoxAt(x, y), -1)
|
|
else if (button === 5) this.scrollInsideBox(this.getBoxAt(x, y), 1)
|
|
else {
|
|
let box = this.getBoxAt(x, y)
|
|
if (box) {
|
|
this.grabbedBox = box
|
|
this.grabOffset = [box.x - x, box.y - y]
|
|
// move grabbed box to top of stack
|
|
this.boxes.push(...this.boxes.splice(this.boxes.indexOf(box), 1))
|
|
}
|
|
}
|
|
this.render()
|
|
}
|
|
mouseUp (x, y, button) {
|
|
this.grabbedBox = null
|
|
}
|
|
scrollInsideBox (box, amount) {
|
|
if (!box) return
|
|
let content = box.content.slice()
|
|
box.content = []
|
|
for (let i = 0; i < content.length; i++) {
|
|
box.content.push(content[((i + amount % content.length) + content.length) % content.length])
|
|
}
|
|
}
|
|
destroy () {
|
|
this.shell.terminal.write('\x1b[m\x1b[2J\x1b[1;1H')
|
|
this.shell.terminal.trackMouse = false
|
|
if (demoData.mouseReceiver === this) demoData.mouseReceiver = null
|
|
super.destroy()
|
|
}
|
|
},
|
|
sudo: class Sudo extends Process {
|
|
constructor (shell) {
|
|
super()
|
|
this.shell = shell
|
|
this.didDestroy = false
|
|
}
|
|
run (...args) {
|
|
if (args.length === 0) {
|
|
this.emit('write', '\x1b[31mUsage: sudo [command]\x1b[m\r\n')
|
|
this.destroy()
|
|
} else {
|
|
let name = args.shift()
|
|
if (this.shell.index[name]) {
|
|
let Process = this.shell.index[name]
|
|
if (Process instanceof Function) {
|
|
let child = this.child = new Process(this.shell, { su: true })
|
|
this.on('in', data => child.write(data))
|
|
let write = data => this.emit('write', data)
|
|
let setButtons = buttons => this.emit('buttons', buttons)
|
|
child.on('write', write)
|
|
child.on('buttons', setButtons)
|
|
child.on('exit', code => {
|
|
child.removeListener('write', write)
|
|
child.removeListener('buttons', setButtons)
|
|
this.destroy()
|
|
})
|
|
child.run(...args)
|
|
} else {
|
|
this.emit('write', Process)
|
|
this.destroy()
|
|
}
|
|
} else {
|
|
this.emit('write', `sudo: ${name}: command not found\r\n`)
|
|
this.destroy()
|
|
}
|
|
}
|
|
}
|
|
destroy () {
|
|
if (this.didDestroy) return
|
|
this.didDestroy = true
|
|
if (this.child) this.child.destroy()
|
|
super.destroy()
|
|
}
|
|
},
|
|
make: class Make extends Process {
|
|
constructor (shell, options = {}) {
|
|
super()
|
|
this.su = options.su
|
|
}
|
|
run (...args) {
|
|
if (args.length === 0) this.emit('write', '\x1b[31mmake: *** No targets specified. Stop.\x1b[0m\r\n')
|
|
else if (args.length === 3 && args.join(' ').toLowerCase() === 'me a sandwich') {
|
|
if (this.su) {
|
|
const b = '\x1b[33m'
|
|
const r = '\x1b[0m'
|
|
const l = '\x1b[32m'
|
|
const c = '\x1b[38;5;229m'
|
|
const h = '\x1b[38;5;225m'
|
|
this.emit('write',
|
|
` ${b}_.---._\r\n` +
|
|
` _.-~ ~-._\r\n` +
|
|
` _.-~ ~-._\r\n` +
|
|
` _.-~ ~---._\r\n` +
|
|
` _.-~ ~\\\r\n` +
|
|
` .-~ _.;\r\n` +
|
|
` :-._ _.-~ ./\r\n` +
|
|
` \`-._~-._ _..__.-~ _.-~\r\n` +
|
|
` ${c}/ ${b}~-._~-._ / .__..--${c}~-${l}---._\r\n` +
|
|
`${c} \\_____(_${b};-._\\. _.-~_/${c} ~)${l}.. . \\\r\n` +
|
|
`${l} /(_____ ${b}\\\`--...--~_.-~${c}______..-+${l}_______)\r\n` +
|
|
`${l} .(_________/${b}\`--...--~/${l} _/ ${h} ${b}/\\\r\n` +
|
|
`${b} /-._${h} \\_ ${l}(___./_..-~${h}__.....${b}__..-~./\r\n` +
|
|
`${b} \`-._~-._${h} ~\\--------~ .-~${b}_..__.-~ _.-~\r\n` +
|
|
`${b} ~-._~-._ ${h}~---------\` ${b}/ .__..--~\r\n` +
|
|
`${b} ~-._\\. _.-~_/\r\n` +
|
|
`${b} \\\`--...--~_.-~\r\n` +
|
|
`${b} \`--...--~${r}\r\n`)
|
|
} else {
|
|
this.emit('write', '\x1b[31mmake: me a sandwich : Permission denied\x1b[0m\r\n')
|
|
}
|
|
} else {
|
|
this.emit('write', `\x1b[31mmake: *** No rule to make target '${args.join(' ').toLowerCase()}'. Stop.\x1b[0m\r\n`)
|
|
}
|
|
this.destroy()
|
|
}
|
|
},
|
|
pwd: '/this/is/a/demo\r\n',
|
|
cd: '\x1b[38;5;239mNo directories to change to\r\n',
|
|
whoami: `${window.navigator.userAgent}\r\n`,
|
|
hostname: `${window.location.hostname}`,
|
|
uname: 'ESPTerm Demo\r\n',
|
|
mkdir: '\x1b[38;5;239mDid not create a directory because this is a demo.\r\n',
|
|
rm: '\x1b[38;5;239mDid not delete anything because this is a demo.\r\n',
|
|
cp: '\x1b[38;5;239mNothing to copy because this is a demo.\r\n',
|
|
mv: '\x1b[38;5;239mNothing to move because this is a demo.\r\n',
|
|
ln: '\x1b[38;5;239mNothing to link because this is a demo.\r\n',
|
|
touch: '\x1b[38;5;239mNothing to touch\r\n',
|
|
exit: '\x1b[38;5;239mNowhere to go\r\n',
|
|
github: class GoToGithub extends Process {
|
|
run () {
|
|
window.open('https://github.com/espterm/espterm-firmware')
|
|
this.destroy()
|
|
}
|
|
}
|
|
}
|
|
let autocompleteIndex = {
|
|
'local-echo': 'local-echo [--suppress-note]',
|
|
theme: 'theme [n]',
|
|
cursor: 'cursor [block|line|bar] [--steady]',
|
|
sudo: 'sudo [command]'
|
|
}
|
|
|
|
class DemoShell {
|
|
constructor (terminal, printInfo) {
|
|
this.terminal = terminal
|
|
this.terminal.reset()
|
|
this.parser = new ANSIParser((...args) => this.handleParsed(...args))
|
|
this.history = []
|
|
this.historyIndex = 0
|
|
this.cursorPos = 0
|
|
this.lastInputLength = 0
|
|
this.child = null
|
|
this.index = demoshIndex
|
|
|
|
if (printInfo) this.run('info')
|
|
else this.prompt()
|
|
}
|
|
write (text) {
|
|
if (this.child) {
|
|
if (text.codePointAt(0) === 3) this.child.destroy()
|
|
else this.child.write(text)
|
|
} else this.parser.write(text)
|
|
}
|
|
prompt (success = true) {
|
|
if (this.terminal.cursor.x !== 0) this.terminal.write('\x1b[m\x1b[38;5;238m⏎\r\n')
|
|
this.terminal.write('\x1b[34;1mdemosh \x1b[m')
|
|
if (!success) this.terminal.write('\x1b[31m')
|
|
this.terminal.write('$ \x1b[m')
|
|
this.history.unshift('')
|
|
this.cursorPos = 0
|
|
|
|
this.setButtons()
|
|
}
|
|
copyFromHistoryIndex () {
|
|
if (!this.historyIndex) return
|
|
let current = this.history[this.historyIndex]
|
|
this.history[0] = current
|
|
this.historyIndex = 0
|
|
}
|
|
getCompleted (visual = false) {
|
|
if (this.history[0]) {
|
|
let input = this.history[0]
|
|
let prefix = ''
|
|
if (input.startsWith('sudo ')) {
|
|
let newInput = input.replace(/^(sudo\s+)+/, '')
|
|
prefix = input.substr(0, input.length - newInput.length)
|
|
input = newInput
|
|
}
|
|
if (!input) return null
|
|
for (let name in this.index) {
|
|
if (name.startsWith(input) && name !== input) {
|
|
if (visual && name in autocompleteIndex) return prefix + autocompleteIndex[name]
|
|
return prefix + name
|
|
}
|
|
}
|
|
return null
|
|
}
|
|
return null
|
|
}
|
|
handleParsed (action, ...args) {
|
|
this.terminal.write(`\x1b[${this.lastInputLength - this.cursorPos}P`)
|
|
this.terminal.write('\b\x1b[P'.repeat(this.cursorPos))
|
|
|
|
if (action === 'write') {
|
|
this.copyFromHistoryIndex()
|
|
this.history[0] = this.history[0].substr(0, this.cursorPos) + args[0] + this.history[0].substr(this.cursorPos)
|
|
this.cursorPos++
|
|
} else if (action === 'back') {
|
|
this.copyFromHistoryIndex()
|
|
this.history[0] = this.history[0].substr(0, this.cursorPos - 1) + this.history[0].substr(this.cursorPos)
|
|
this.cursorPos--
|
|
if (this.cursorPos < 0) this.cursorPos = 0
|
|
} else if (action === 'tab') {
|
|
let completed = this.getCompleted()
|
|
if (completed) {
|
|
this.history[0] = completed
|
|
this.cursorPos = this.history[0].length
|
|
}
|
|
} else if (action === 'move-cursor-x') {
|
|
this.cursorPos = Math.max(0, Math.min(this.history[this.historyIndex].length, this.cursorPos + args[0]))
|
|
} else if (action === 'delete-line') {
|
|
this.copyFromHistoryIndex()
|
|
this.history[0] = ''
|
|
this.cursorPos = 0
|
|
} else if (action === 'delete-word') {
|
|
this.copyFromHistoryIndex()
|
|
let words = this.history[0].substr(0, this.cursorPos).split(' ')
|
|
words.pop()
|
|
this.history[0] = words.join(' ') + this.history[0].substr(this.cursorPos)
|
|
this.cursorPos = words.join(' ').length
|
|
} else if (action === 'move-cursor-y') {
|
|
this.historyIndex -= args[0]
|
|
if (this.historyIndex < 0) this.historyIndex = 0
|
|
if (this.historyIndex >= this.history.length) this.historyIndex = this.history.length - 1
|
|
this.cursorPos = this.history[this.historyIndex].length
|
|
}
|
|
|
|
this.terminal.write(this.history[this.historyIndex])
|
|
this.terminal.write('\b'.repeat(this.history[this.historyIndex].length))
|
|
this.terminal.moveForward(this.cursorPos)
|
|
|
|
this.lastInputLength = this.cursorPos
|
|
|
|
let completed = this.getCompleted(true)
|
|
if (this.historyIndex === 0 && completed && action !== 'return') {
|
|
// show closest match faintly
|
|
let rest = completed.substr(this.history[0].length)
|
|
this.terminal.write(`\x1b[2m${rest}\x1b[m${'\b'.repeat(rest.length)}`)
|
|
this.lastInputLength += rest.length
|
|
}
|
|
|
|
if (action === 'return') {
|
|
this.terminal.write('\n')
|
|
this.parse(this.history[this.historyIndex])
|
|
}
|
|
}
|
|
parse (input) {
|
|
if (input === 'help') input = 'info'
|
|
// TODO: basic chaining (i.e. semicolon)
|
|
if (input) this.run(input)
|
|
else this.prompt()
|
|
}
|
|
run (command) {
|
|
let parts = ['']
|
|
|
|
let inQuote = false
|
|
for (let character of command.trim()) {
|
|
if (inQuote && character !== inQuote) {
|
|
parts[parts.length - 1] += character
|
|
} else if (inQuote) {
|
|
inQuote = false
|
|
} else if (character === '"' || character === "'") {
|
|
inQuote = character
|
|
} else if (character.match(/\s/)) {
|
|
if (parts[parts.length - 1]) parts.push('')
|
|
} else parts[parts.length - 1] += character
|
|
}
|
|
|
|
let name = parts.shift()
|
|
|
|
if (name in this.index) {
|
|
this.spawn(name, parts)
|
|
} else {
|
|
this.terminal.write(`demosh: Unknown command: ${name}\r\n`)
|
|
this.prompt(false)
|
|
}
|
|
}
|
|
spawn (name, args = []) {
|
|
let Process = this.index[name]
|
|
if (Process instanceof Function) {
|
|
this.setButtons([])
|
|
this.child = new Process(this)
|
|
let write = data => this.terminal.write(data)
|
|
let setButtons = buttons => this.setButtons(buttons)
|
|
this.child.on('write', write)
|
|
this.child.on('buttons', setButtons)
|
|
this.child.on('exit', code => {
|
|
if (this.child) {
|
|
this.child.removeListener('write', write)
|
|
this.child.removeListener('buttons', setButtons)
|
|
}
|
|
this.child = null
|
|
this.prompt(!code)
|
|
})
|
|
this.child.run(...args)
|
|
} else {
|
|
this.terminal.write(Process)
|
|
this.prompt()
|
|
}
|
|
}
|
|
|
|
setButtons (buttons) {
|
|
if (!buttons) {
|
|
const shell = this
|
|
let writeChars = chars => {
|
|
let loop = () => {
|
|
shell.write(chars[0])
|
|
chars = chars.substr(1)
|
|
if (chars) setTimeout(loop, 100)
|
|
}
|
|
setTimeout(loop, 200)
|
|
}
|
|
|
|
buttons = [
|
|
{
|
|
label: 'Open GitHub',
|
|
action (shell) {
|
|
if (shell.child) shell.child.destroy()
|
|
writeChars('github\r')
|
|
}
|
|
},
|
|
{
|
|
label: 'Help',
|
|
action (shell) {
|
|
if (shell.child) shell.child.destroy()
|
|
writeChars('info\r')
|
|
}
|
|
}
|
|
]
|
|
}
|
|
if (!buttons.length) buttons.push({ label: '', action () {} })
|
|
this.buttons = buttons
|
|
this.terminal.buttonLabels = buttons.map(x => x.label)
|
|
}
|
|
|
|
onButtonPress (index) {
|
|
let button = this.buttons[index]
|
|
if (!button) return
|
|
button.action(this, this.terminal)
|
|
}
|
|
}
|
|
|
|
window.demoInterface = module.exports = {
|
|
input (data) {
|
|
let type = data[0]
|
|
let content = data.substr(1)
|
|
|
|
if (type === 's') {
|
|
this.shell.write(content)
|
|
} else if (type === 'b') {
|
|
let button = content.charCodeAt(0)
|
|
this.shell.onButtonPress(button - 1)
|
|
} else if (type === 'm' || type === 'p' || type === 'r') {
|
|
let row = parse2B(content, 0)
|
|
let column = parse2B(content, 2)
|
|
let button = parse2B(content, 4)
|
|
let modifiers = parse2B(content, 6)
|
|
|
|
if (demoData.mouseReceiver) {
|
|
if (type === 'm') demoData.mouseReceiver.mouseMove(column, row, button, modifiers)
|
|
else if (type === 'p') demoData.mouseReceiver.mouseDown(column, row, button, modifiers)
|
|
else if (type === 'r') demoData.mouseReceiver.mouseUp(column, row, button, modifiers)
|
|
}
|
|
}
|
|
},
|
|
didInit: false,
|
|
init (screen) {
|
|
if (this.didInit) return
|
|
this.didInit = true
|
|
this.terminal = new ScrollingTerminal(screen)
|
|
this.shell = new DemoShell(this.terminal, true)
|
|
}
|
|
}
|
|
|