117 lines
4.4 KiB
JavaScript
117 lines
4.4 KiB
JavaScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// @ts-check
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const xml2js = require('xml2js');
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const fs = require('fs');
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const path = require('path');
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const { argv } = require('process');
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// From https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/ui/prefs/prefs_tab_helper.cc;l=130;drc=62b77bef90de54f0136b51935fa2d5814a1b4da9
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// and https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/text/locale_to_script_mapping.cc;l=44;drc=befcb6de95fb8c88c162ce1f64111f6c17351b13
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// note that some suffixes like _JAPANESE, _KOREAN don't have matching icu codes.
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const codeToScriptName = new Map([
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['ARABIC', 'arab'],
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['CYRILLIC', 'cyrl'],
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['GREEK', 'grek'],
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['JAPANESE', 'jpan'],
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['KOREAN', 'hang'],
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['SIMPLIFIED_HAN', 'hans'],
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['TRADITIONAL_HAN', 'hant'],
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]);
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const idToProtocol = new Map([
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['IDS_STANDARD_FONT_FAMILY', 'standard'],
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['IDS_SANS_SERIF_FONT_FAMILY','sansSerif'],
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['IDS_SERIF_FONT_FAMILY', 'serif'],
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['IDS_CURSIVE_FONT_FAMILY', 'cursive'],
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['IDS_FANTASY_FONT_FAMILY', 'fantasy'],
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['IDS_FIXED_FONT_FAMILY', 'fixed'],
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]);
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class ScriptFontFamilies {
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scriptToFontFamilies = new Map();
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setFont(scriptName, familyName, value) {
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let fontFamilies = this.scriptToFontFamilies.get(scriptName);
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if (!fontFamilies) {
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fontFamilies = {};
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this.scriptToFontFamilies.set(scriptName, fontFamilies);
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}
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fontFamilies[familyName] = value;
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}
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toJSON() {
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const forScripts = Array.from(this.scriptToFontFamilies.entries()).filter(([name, _]) => !!name).map(([script, fontFamilies]) => ({ script, fontFamilies }));
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return {
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fontFamilies: this.scriptToFontFamilies.get(''),
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forScripts: forScripts.length ? forScripts : undefined
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};
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}
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}
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if (argv.length < 3)
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throw new Error('Expected path to "chromium/src" checkout as first argument')
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// Upstream files location is https://chromium.googlesource.com/chromium/src/+/main/chrome/app/resources/locale_settings_linux.grd
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const resourceDir = path.join(argv[2], 'chrome/app/resources/');
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if (!fs.existsSync(resourceDir))
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throw new Error(`Path ${resourceDir} does not exist`);
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function parseXML(xml) {
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let result;
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xml2js.parseString(xml, {trim: true}, (err, r) => result = r);
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return result;
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}
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const result = {};
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for (const platform of ['linux', 'mac', 'win']) {
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const f = path.join(resourceDir, `locale_settings_${platform}.grd`);
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const xmlDataStr = fs.readFileSync(f);
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let jsonObj = parseXML(xmlDataStr);
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if (!jsonObj)
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throw new Error('Failed to parse ' + f);
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const fontFamilies = new ScriptFontFamilies();
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const defaults = jsonObj.grit.release[0].messages[0].message;
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defaults.forEach(e => {
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const name = e['$']['name'];
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let scriptName = '';
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let familyName;
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for (const id of idToProtocol.keys()) {
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if (!name.startsWith(id))
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continue;
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familyName = idToProtocol.get(id);
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if (name !== id) {
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const suffix = name.substring(id.length + 1);
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// We don't support this, see https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/ui/prefs/prefs_tab_helper.cc;l=384-390;drc=62b77bef90de54f0136b51935fa2d5814a1b4da9
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if (suffix === 'ALT_WIN')
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continue;
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scriptName = codeToScriptName.get(suffix);
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if (!scriptName)
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throw new Error('NO Script name for: ' + suffix);
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}
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break;
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}
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// Skip things like IDS_NTP_FONT_FAMILY, IDS_MINIMUM_FONT_SIZE etc.
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if (!familyName)
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return;
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fontFamilies.setFont(scriptName, familyName, e['_'])
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});
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result[platform] = fontFamilies.toJSON();
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}
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console.log(JSON.stringify(result, null, 2).replaceAll('"', `'`));
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