import User from 'flarum/models/User';
import username from 'flarum/helpers/username';
import extractText from 'flarum/utils/extractText';
import extract from 'flarum/utils/extract';
/**
* Translator with the same API as Symfony's.
*
* Derived from https://github.com/willdurand/BazingaJsTranslationBundle
* which is available under the MIT License.
* Copyright (c) William Durand <william.durand1@gmail.com>
*/
export default class Translator {
constructor() {
/**
* A map of translation keys to their translated values.
*
* @type {Object}
* @public
*/
this.translations = {};
this.locale = null;
}
trans(id, parameters) {
const translation = this.translations[id];
if (translation) {
return this.apply(translation, parameters || {});
}
return id;
}
transChoice(id, number, parameters) {
let translation = this.translations[id];
if (translation) {
number = parseInt(number, 10);
translation = this.pluralize(translation, number);
return this.apply(translation, parameters || {});
}
return id;
}
apply(translation, input) {
// If we've been given a user model as one of the input parameters, then
// we'll extract the username and use that for the translation. In the
// future there should be a hook here to inspect the user and change the
// translation key. This will allow a gender property to determine which
// translation key is used.
if ('user' in input) {
const user = extract(input, 'user');
if (!input.username) input.username = username(user);
}
translation = translation.split(new RegExp('({[a-z0-9_]+}|</?[a-z0-9_]+>)', 'gi'));
const hydrated = [];
const open = [hydrated];
translation.forEach(part => {
const match = part.match(new RegExp('{([a-z0-9_]+)}|<(/?)([a-z0-9_]+)>', 'i'));
if (match) {
if (match[1]) {
open[0].push(input[match[1]]);
} else if (match[3]) {
if (match[2]) {
open.shift();
} else {
let tag = input[match[3]] || [];
open[0].push(tag);
open.unshift(tag.children || tag);
}
}
} else {
open[0].push(part);
}
});
return hydrated.filter(part => part);
}
pluralize(translation, number) {
const sPluralRegex = new RegExp(/^\w+\: +(.+)$/),
cPluralRegex = new RegExp(/^\s*((\{\s*(\-?\d+[\s*,\s*\-?\d+]*)\s*\})|([\[\]])\s*(-Inf|\-?\d+)\s*,\s*(\+?Inf|\-?\d+)\s*([\[\]]))\s?(.+?)$/),
iPluralRegex = new RegExp(/^\s*(\{\s*(\-?\d+[\s*,\s*\-?\d+]*)\s*\})|([\[\]])\s*(-Inf|\-?\d+)\s*,\s*(\+?Inf|\-?\d+)\s*([\[\]])/),
standardRules = [],
explicitRules = [];
translation.split('|').forEach(part => {
if (cPluralRegex.test(part)) {
const matches = part.match(cPluralRegex);
explicitRules[matches[0]] = matches[matches.length - 1];
} else if (sPluralRegex.test(part)) {
const matches = part.match(sPluralRegex);
standardRules.push(matches[1]);
} else {
standardRules.push(part);
}
});
explicitRules.forEach((rule, e) => {
if (iPluralRegex.test(e)) {
const matches = e.match(iPluralRegex);
if (matches[1]) {
const ns = matches[2].split(',');
for (let n in ns) {
if (number == ns[n]) {
return explicitRules[e];
}
}
} else {
var leftNumber = this.convertNumber(matches[4]);
var rightNumber = this.convertNumber(matches[5]);
if (('[' === matches[3] ? number >= leftNumber : number > leftNumber) &&
(']' === matches[6] ? number <= rightNumber : number < rightNumber)) {
return explicitRules[e];
}
}
}
});
return standardRules[this.pluralPosition(number, this.locale)] || standardRules[0] || undefined;
}
convertNumber(number) {
if ('-Inf' === number) {
return Number.NEGATIVE_INFINITY;
} else if ('+Inf' === number || 'Inf' === number) {
return Number.POSITIVE_INFINITY;
}
return parseInt(number, 10);
}
pluralPosition(number, locale) {
if ('pt_BR' === locale) {
locale = 'xbr';
}
if (locale.length > 3) {
locale = locale.split('_')[0];
}
switch (locale) {
case 'bo':
case 'dz':
case 'id':
case 'ja':
case 'jv':
case 'ka':
case 'km':
case 'kn':
case 'ko':
case 'ms':
case 'th':
case 'tr':
case 'vi':
case 'zh':
return 0;
case 'af':
case 'az':
case 'bn':
case 'bg':
case 'ca':
case 'da':
case 'de':
case 'el':
case 'en':
case 'eo':
case 'es':
case 'et':
case 'eu':
case 'fa':
case 'fi':
case 'fo':
case 'fur':
case 'fy':
case 'gl':
case 'gu':
case 'ha':
case 'he':
case 'hu':
case 'is':
case 'it':
case 'ku':
case 'lb':
case 'ml':
case 'mn':
case 'mr':
case 'nah':
case 'nb':
case 'ne':
case 'nl':
case 'nn':
case 'no':
case 'om':
case 'or':
case 'pa':
case 'pap':
case 'ps':
case 'pt':
case 'so':
case 'sq':
case 'sv':
case 'sw':
case 'ta':
case 'te':
case 'tk':
case 'ur':
case 'zu':
return (number == 1) ? 0 : 1;
case 'am':
case 'bh':
case 'fil':
case 'fr':
case 'gun':
case 'hi':
case 'ln':
case 'mg':
case 'nso':
case 'xbr':
case 'ti':
case 'wa':
return ((number === 0) || (number == 1)) ? 0 : 1;
case 'be':
case 'bs':
case 'hr':
case 'ru':
case 'sr':
case 'uk':
return ((number % 10 == 1) && (number % 100 != 11)) ? 0 : (((number % 10 >= 2) && (number % 10 <= 4) && ((number % 100 < 10) || (number % 100 >= 20))) ? 1 : 2);
case 'cs':
case 'sk':
return (number == 1) ? 0 : (((number >= 2) && (number <= 4)) ? 1 : 2);
case 'ga':
return (number == 1) ? 0 : ((number == 2) ? 1 : 2);
case 'lt':
return ((number % 10 == 1) && (number % 100 != 11)) ? 0 : (((number % 10 >= 2) && ((number % 100 < 10) || (number % 100 >= 20))) ? 1 : 2);
case 'sl':
return (number % 100 == 1) ? 0 : ((number % 100 == 2) ? 1 : (((number % 100 == 3) || (number % 100 == 4)) ? 2 : 3));
case 'mk':
return (number % 10 == 1) ? 0 : 1;
case 'mt':
return (number == 1) ? 0 : (((number === 0) || ((number % 100 > 1) && (number % 100 < 11))) ? 1 : (((number % 100 > 10) && (number % 100 < 20)) ? 2 : 3));
case 'lv':
return (number === 0) ? 0 : (((number % 10 == 1) && (number % 100 != 11)) ? 1 : 2);
case 'pl':
return (number == 1) ? 0 : (((number % 10 >= 2) && (number % 10 <= 4) && ((number % 100 < 12) || (number % 100 > 14))) ? 1 : 2);
case 'cy':
return (number == 1) ? 0 : ((number == 2) ? 1 : (((number == 8) || (number == 11)) ? 2 : 3));
case 'ro':
return (number == 1) ? 0 : (((number === 0) || ((number % 100 > 0) && (number % 100 < 20))) ? 1 : 2);
case 'ar':
return (number === 0) ? 0 : ((number == 1) ? 1 : ((number == 2) ? 2 : (((number >= 3) && (number <= 10)) ? 3 : (((number >= 11) && (number <= 99)) ? 4 : 5))));
default:
return 0;
}
}
}