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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,39 +0,0 @@ | ||
| /** | ||
| * A keybinding is a sequence of chords. | ||
| */ | ||
| export class Keybinding { | ||
| public readonly chords: Chord[]; | ||
|
|
||
| constructor(chords: Chord[]) { | ||
| if (chords.length === 0) { | ||
| throw illegalArgument(`chords`); | ||
| } | ||
| this.chords = chords; | ||
| } | ||
|
|
||
| public getHashCode(): string { | ||
| let result = ''; | ||
| for (let i = 0, len = this.chords.length; i < len; i++) { | ||
| if (i !== 0) { | ||
| result += ';'; | ||
| } | ||
| result += this.chords[i].getHashCode(); | ||
| } | ||
| return result; | ||
| } | ||
|
|
||
| public equals(other: Keybinding | null): boolean { | ||
| if (other === null) { | ||
| return false; | ||
| } | ||
| if (this.chords.length !== other.chords.length) { | ||
| return false; | ||
| } | ||
| for (let i = 0; i < this.chords.length; i++) { | ||
| if (!this.chords[i].equals(other.chords[i])) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| import { KeyCodeUtils, ScanCodeUtils } from '@alilc/lowcode-shared'; | ||
| import { KeyCodeChord, ScanCodeChord, Keybinding, Chord } from './keybindings'; | ||
|
|
||
| export class KeybindingParser { | ||
| private static _readModifiers(input: string) { | ||
| input = input.toLowerCase().trim(); | ||
|
|
||
| let ctrl = false; | ||
| let shift = false; | ||
| let alt = false; | ||
| let meta = false; | ||
|
|
||
| let matchedModifier: boolean; | ||
|
|
||
| do { | ||
| matchedModifier = false; | ||
| if (/^ctrl(\+|-)/.test(input)) { | ||
| ctrl = true; | ||
| input = input.slice('ctrl-'.length); | ||
| matchedModifier = true; | ||
| } | ||
| if (/^shift(\+|-)/.test(input)) { | ||
| shift = true; | ||
| input = input.slice('shift-'.length); | ||
| matchedModifier = true; | ||
| } | ||
| if (/^alt(\+|-)/.test(input)) { | ||
| alt = true; | ||
| input = input.slice('alt-'.length); | ||
| matchedModifier = true; | ||
| } | ||
| if (/^meta(\+|-)/.test(input)) { | ||
| meta = true; | ||
| input = input.slice('meta-'.length); | ||
| matchedModifier = true; | ||
| } | ||
| if (/^win(\+|-)/.test(input)) { | ||
| meta = true; | ||
| input = input.slice('win-'.length); | ||
| matchedModifier = true; | ||
| } | ||
| if (/^cmd(\+|-)/.test(input)) { | ||
| meta = true; | ||
| input = input.slice('cmd-'.length); | ||
| matchedModifier = true; | ||
| } | ||
| } while (matchedModifier); | ||
|
|
||
| let key: string; | ||
|
|
||
| const firstSpaceIdx = input.indexOf(' '); | ||
| if (firstSpaceIdx > 0) { | ||
| key = input.substring(0, firstSpaceIdx); | ||
| input = input.substring(firstSpaceIdx); | ||
| } else { | ||
| key = input; | ||
| input = ''; | ||
| } | ||
|
|
||
| return { | ||
| remains: input, | ||
| ctrl, | ||
| shift, | ||
| alt, | ||
| meta, | ||
| key, | ||
| }; | ||
| } | ||
|
|
||
| private static parseChord(input: string): [Chord, string] { | ||
| const mods = this._readModifiers(input); | ||
| const scanCodeMatch = mods.key.match(/^\[([^\]]+)\]$/); | ||
| if (scanCodeMatch) { | ||
| const strScanCode = scanCodeMatch[1]; | ||
| const scanCode = ScanCodeUtils.lowerCaseToEnum(strScanCode); | ||
| return [ | ||
| new ScanCodeChord(mods.ctrl, mods.shift, mods.alt, mods.meta, scanCode), | ||
| mods.remains, | ||
| ]; | ||
| } | ||
| const keyCode = KeyCodeUtils.fromUserSettings(mods.key); | ||
| return [new KeyCodeChord(mods.ctrl, mods.shift, mods.alt, mods.meta, keyCode), mods.remains]; | ||
| } | ||
|
|
||
| static parseKeybinding(input: string): Keybinding | null { | ||
| if (!input) { | ||
| return null; | ||
| } | ||
|
|
||
| const chords: Chord[] = []; | ||
| let chord: Chord; | ||
|
|
||
| while (input.length > 0) { | ||
| [chord, input] = this.parseChord(input); | ||
| chords.push(chord); | ||
| } | ||
| return chords.length > 0 ? new Keybinding(chords) : null; | ||
| } | ||
| } |
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