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BangleApps/bin/language_scan.js

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JavaScript
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#!/usr/bin/env node
/* Scans for strings that may be in English in each app, and
outputs a list of strings that have been found.
See https://github.com/espruino/BangleApps/issues/1311
*/
var childProcess = require('child_process');
let refresh = false;
function handleCliParameters ()
{
let usage = "USAGE: language_scan.js [options]";
let die = function (message) {
console.log(usage);
console.log(message);
process.exit(3);
};
let hadTURL = false,
hadDEEPL = false;
for(let i = 2; i < process.argv.length; i++)
{
const param = process.argv[i];
switch(param)
{
case '-r':
case '--refresh':
refresh = true;
break;
case '--deepl':
i++;
let KEY = process.argv[i];
if(KEY === '' || KEY === null || KEY === undefined)
{
die('--deepl requires a parameter: the API key to use');
}
process.env.DEEPL = KEY;
hadDEEPL = true;
break;
case '--turl':
i++;
let URL = process.argv[i];
if(URL === '' || URL === null || URL === undefined)
{
die('--turl requires a parameter: the URL to use');
}
process.env.TURL = URL;
hadTURL = true;
break;
case '-h':
case '--help':
console.log(usage+"\n");
console.log("Parameters:");
console.log(" -h, --help Output this help text and exit");
console.log(" -r, --refresh Auto-add new strings into lang/*.json");
console.log(' --deepl KEY Enable DEEPL as auto-translation engine and');
console.log(' use KEY as its API key. You also need to provide --turl');
console.log(' --turl URL In combination with --deepl, use URL as the API base URL');
process.exit(0);
default:
die("Unknown parameter: "+param+", use --help for options");
}
}
if((hadTURL !== false || hadDEEPL !== false) && hadTURL !== hadDEEPL)
{
die("Use of deepl requires both a --deepl API key and --turl URL");
}
}
handleCliParameters();
let translate = false;
if (process.env.DEEPL) {
// Requires translate
// npm i translate
translate = require("translate");
translate.engine = "deepl"; // Or "yandex", "libre", "deepl"
translate.key = process.env.DEEPL; // Requires API key (which are free)
translate.url = process.env.TURL;
}
var IGNORE_STRINGS = [
"5x5","6x8","6x8:2","4x6","12x20","6x15","5x9Numeric7Seg", "Vector", // fonts
"---","...","*","##","00","GPS","ram",
"12hour","rising","falling","title",
"sortorder","tl","tr",
"function","object", // typeof===
"txt", // layout styles
"play","stop","pause", "volumeup", "volumedown", // music state
"${hours}:${minutes}:${seconds}", "${hours}:${minutes}",
"BANGLEJS",
"fgH", "bgH", "m/s",
"undefined", "kbmedia", "NONE",
];
var IGNORE_FUNCTION_PARAMS = [
"read",
"readJSON",
"require",
"setFont","setUI","setLCDMode",
"on",
"RegExp","sendCommand",
"print","log"
];
var IGNORE_ARRAY_ACCESS = [
"WIDGETS"
];
var BASEDIR = __dirname+"/../";
Espruino = require(BASEDIR+"core/lib/espruinotools.js");
var fs = require("fs");
var APPSDIR = BASEDIR+"apps/";
function ERROR(s) {
console.error("ERROR: "+s);
process.exit(1);
}
function WARN(s) {
console.log("Warning: "+s);
}
function log(s) {
console.log(s);
}
var apploader = require("./lib/apploader.js");
apploader.init({
DEVICEID : "BANGLEJS2"
});
var apps = apploader.apps;
// Given a string value, work out if it's obviously not a text string
function isNotString(s, wasFnCall, wasArrayAccess) {
if (s=="") return true;
// wasFnCall is set to the function name if 's' is the first argument to a function
if (wasFnCall && IGNORE_FUNCTION_PARAMS.includes(wasFnCall)) return true;
if (wasArrayAccess && IGNORE_ARRAY_ACCESS.includes(wasArrayAccess)) return true;
if (s=="Storage") console.log("isNotString",s,wasFnCall);
if (s.length<3) return true; // too short
if (s.length>40) return true; // too long
if (s[0]=="#") return true; // a color
if (s.endsWith('.log') || s.endsWith('.js') || s.endsWith(".info") || s.endsWith(".csv") || s.endsWith(".json") || s.endsWith(".img") || s.endsWith(".txt")) return true; // a filename
if (s.endsWith("=")) return true; // probably base64
if (s.startsWith("BTN")) return true; // button name
if (IGNORE_STRINGS.includes(s)) return true; // one we know to ignore
if (!isNaN(parseFloat(s)) && isFinite(s)) return true; //is number
if (s.match(/^M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})$/)) return true; //roman number
if (!s.match(/.*[A-Z].*/i)) return true; // No letters
if (s.match(/.*[0-9].*/i)) return true; // No letters
if (s.match(/.*\(.*\).*/)) return true; // is function
if (s.match(/[A-Za-z]+[A-Z]([A-Z]|[a-z])*/)) return true; // is camel case
if (s.includes('_')) return true;
return false;
}
function getTextFromString(s) {
return s.replace(/^([.<>\-\n ]*)([^<>\!\?]*?)([.<>\!\?\-\n ]*)$/,"$2");
}
// A string that *could* be translated?
var untranslatedStrings = [];
// Strings that are marked with 'LANG'
var translatedStrings = [];
function addString(list, str, file) {
str = getTextFromString(str);
var entry = list.find(e => e.str==str);
if (!entry) {
entry = { str:str, uses:0, files : [] };
list.push(entry);
}
entry.uses++;
if (!entry.files.includes(file))
entry.files.push(file)
}
console.log("Scanning apps...");
//apps = apps.filter(a=>a.id=="wid_edit");
apps.forEach((app,appIdx) => {
var appDir = APPSDIR+app.id+"/";
app.storage.forEach((file) => {
if (!file.url || !file.name.endsWith(".js")) return;
var filePath = appDir+file.url;
var shortFilePath = "apps/"+app.id+"/"+file.url;
var fileContents = fs.readFileSync(filePath).toString();
var lex = Espruino.Core.Utils.getLexer(fileContents);
var lastIdx = 0;
var wasFnCall = undefined; // set to 'setFont' if we're at something like setFont(".."
var wasArrayAccess = undefined; // set to 'WIDGETS' if we're at something like WIDGETS[".."
var tok = lex.next();
while (tok!==undefined) {
var previousString = fileContents.substring(lastIdx, tok.startIdx);
if (tok.type=="STRING") {
if (previousString.includes("/*LANG*/")) { // translated!
addString(translatedStrings, tok.value, shortFilePath);
} else { // untranslated - potential to translate?
// filter out numbers
if (!isNotString(tok.value, wasFnCall, wasArrayAccess)) {
addString(untranslatedStrings, tok.value, shortFilePath);
}
}
} else {
if (tok.value!="(") wasFnCall=undefined;
if (tok.value!="[") wasArrayAccess=undefined;
}
//console.log(wasFnCall,tok.type,tok.value);
if (tok.type=="ID") {
wasFnCall = tok.value;
wasArrayAccess = tok.value;
}
lastIdx = tok.endIdx;
tok = lex.next();
}
});
});
untranslatedStrings.sort((a,b)=>a.uses - b.uses);
translatedStrings.sort((a,b)=>a.uses - b.uses);
/*
* @description Add lang to start of string
* @param str string to add LANG to
* @param file file that string is found
* @returns void
*/
//TODO fix settings bug
function applyLANG(str, file) {
fs.readFile(file, 'utf8', function (err,data) {
if (err) {
return console.log(err);
}
const regex = new RegExp(`(.*)((?<!\/\*LANG\*\/)["|']${str}[^A-Z].*)`, 'gi');
const result = data.replace(regex, '$1/*LANG*/$2');
console.log(str, file);
fs.writeFile(file, result, 'utf8', function (err) {
if (err) return console.log(err);
});
});
}
var report = "";
log("Translated Strings that are not tagged with LANG");
log("=================================================================");
log("");
log("Maybe we should add /*LANG*/ to these automatically?");
log("");
const wordsToAdd = untranslatedStrings.filter(e => translatedStrings.find(t=>t.str==e.str));
// Uncomment to add LANG to all strings
// THIS IS EXPERIMENTAL
//wordsToAdd.forEach(e => e.files.forEach(a => applyLANG(e.str, a)));
log(wordsToAdd.map(e=>`${JSON.stringify(e.str)} (${e.uses} uses)`).join("\n"));
log("");
//process.exit(1);
log("Possible English Strings that could be translated");
log("=================================================================");
log("");
log("Add these to IGNORE_STRINGS if they don't make sense...");
log("");
// ignore ones only used once or twice
log(untranslatedStrings.filter(e => e.uses>2).filter(e => !translatedStrings.find(t=>t.str==e.str)).map(e=>`${JSON.stringify(e.str)} (${e.uses} uses)`).join("\n"));
log("");
//process.exit(1);
let languages = JSON.parse(fs.readFileSync(`${BASEDIR}/lang/index.json`).toString());
for (let language of languages) {
if (language.code == "en_GB") {
console.log(`Ignoring ${language.code}`);
continue;
}
console.log(`Scanning ${language.code}`);
log(language.code);
log("==========");
let translations = JSON.parse(fs.readFileSync(`${BASEDIR}/lang/${language.url}`).toString());
let translationPromises = [];
translatedStrings.forEach(translationItem => {
if (!translations.GLOBAL[translationItem.str]) {
console.log(`Missing GLOBAL translation for ${JSON.stringify(translationItem)}`);
translationItem.files.forEach(file => {
let m = file.match(/\/([a-zA-Z0-9_-]*)\//g);
if (m && m[0]) {
let appName = m[0].replaceAll("/", "");
if (translations[appName] && translations[appName][translationItem.str]) {
console.log(` but LOCAL translation found in \"${appName}\"`);
} else if (translate && language.code !== "tr_TR") { // Auto Translate
translationPromises.push(new Promise(async (resolve) => {
const translation = await translate(translationItem.str, language.code.split("_")[0]);
console.log("Translating:", translationItem.str, translation);
translations.GLOBAL[translationItem.str] = translation;
resolve()
}))
} else if(refresh && !translate) {
translationPromises.push(new Promise(async (resolve) => {
translations.GLOBAL[translationItem.str] = translationItem.str;
resolve()
}))
}
}
});
}
});
Promise.all(translationPromises).then(() => {
fs.writeFileSync(`${BASEDIR}/lang/${language.url}`, JSON.stringify(translations, null, 4))
});
log("");
}
console.log("Done.");
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