92 lines
3.8 KiB
JavaScript
92 lines
3.8 KiB
JavaScript
// *****************************************************************************
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// Copyright (C) 2019 TypeFox and others.
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//
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// This program and the accompanying materials are made available under the
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// terms of the Eclipse Public License v. 2.0 which is available at
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// http://www.eclipse.org/legal/epl-2.0.
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//
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// This Source Code may also be made available under the following Secondary
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// Licenses when the conditions for such availability set forth in the Eclipse
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// Public License v. 2.0 are satisfied: GNU General Public License, version 2
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// with the GNU Classpath Exception which is available at
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// https://www.gnu.org/software/classpath/license.html.
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//
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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
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// *****************************************************************************
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const parseArgs = require('minimist');
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const nativeKeymap = require('native-keymap');
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const fs = require('fs');
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const electron = require('electron');
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/*
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* Generate keyboard layouts for using Theia as web application.
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*
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* Usage:
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* npm run generate-layout [--info] [--all] [--pretty] [--output file]
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*
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* --info Print the keyboard layout information; if omitted, the full
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* keyboard layout with info and mapping is printed.
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* --all Include all keys in the output, not only the relevant ones.
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* --pretty Pretty-print the JSON output.
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* --output file Write the output to the given file instead of stdout.
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*
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* Hint: keyboard layouts are stored in packages/core/src/common/keyboard/layouts
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* and have the following file name scheme:
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* <language>-<name>-<hardware>.json
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*
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* <language> A language subtag according to IETF BCP 47
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* <name> Display name of the keyboard layout (without dashes)
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* <hardware> `pc` or `mac`
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*/
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const args = parseArgs(process.argv);
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const printInfo = args['info'];
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const includeAll = args['all'];
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const prettyPrint = args['pretty'];
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const outFile = args['output'];
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let output;
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if (printInfo) {
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output = nativeKeymap.getCurrentKeyboardLayout();
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} else {
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output = {
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info: nativeKeymap.getCurrentKeyboardLayout(),
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mapping: nativeKeymap.getKeyMap()
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};
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if (!includeAll) {
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// We store only key codes for the "writing system keys" as defined here:
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// https://w3c.github.io/uievents-code/#writing-system-keys
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const ACCEPTED_CODES = [
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'KeyA', 'KeyB', 'KeyC', 'KeyD', 'KeyE', 'KeyF', 'KeyG', 'KeyH', 'KeyI', 'KeyJ', 'KeyK', 'KeyL', 'KeyM',
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'KeyN', 'KeyO', 'KeyP', 'KeyQ', 'KeyR', 'KeyS', 'KeyT', 'KeyU', 'KeyV', 'KeyW', 'KeyX', 'KeyY', 'KeyZ',
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'Digit1', 'Digit2', 'Digit3', 'Digit4', 'Digit5', 'Digit6', 'Digit7', 'Digit8', 'Digit9', 'Digit0',
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'Minus', 'Equal', 'BracketLeft', 'BracketRight', 'Backslash', 'Semicolon', 'Quote', 'Backquote',
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'Comma', 'Period', 'Slash', 'IntlBackslash', 'IntlRo', 'IntlYen'
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];
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const ACCEPTED_VARIANTS = ['value', 'withShift', 'withAltGr', 'withShiftAltGr', 'vkey'];
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for (let code of Object.keys(output.mapping)) {
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if (ACCEPTED_CODES.indexOf(code) < 0) {
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delete output.mapping[code];
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} else {
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for (let variant of Object.keys(output.mapping[code])) {
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if (ACCEPTED_VARIANTS.indexOf(variant) < 0 || output.mapping[code][variant] === '') {
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delete output.mapping[code][variant];
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}
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}
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if (Object.keys(output.mapping[code]).length === 0) {
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delete output.mapping[code];
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}
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}
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}
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}
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}
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const stringOutput = JSON.stringify(output, undefined, prettyPrint ? 2 : undefined);
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if (outFile) {
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fs.writeFileSync(outFile, stringOutput);
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} else {
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console.log(stringOutput);
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}
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electron.app.quit();
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