130 lines
3.2 KiB
PHP
130 lines
3.2 KiB
PHP
<?php
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/**
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\L10N;
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use OCP\L10N\IFactory;
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/**
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* A factory that generates language instances
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*/
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class Factory implements IFactory {
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/**
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* cached instances
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* @var array Structure: Lang => App => \OCP\IL10N
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*/
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protected $instances = [];
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/**
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* @var array Structure: App => string[]
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*/
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protected $availableLanguages = [];
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/**
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* Get a language instance
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*
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* @param string $app
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* @param string|null $lang
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* @return \OCP\IL10N
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*/
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public function get($app, $lang = null) {
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$key = $lang;
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if ($key === null) {
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$key = 'null';
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}
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if (!isset($this->instances[$key][$app])) {
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$this->instances[$key][$app] = new \OC_L10N($app, $lang);
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}
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return $this->instances[$key][$app];
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}
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/**
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* Find all available languages for an app
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*
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* @param string|null $app App id or null for core
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* @return array an array of available languages
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*/
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public function findAvailableLanguages($app = null) {
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$key = $app;
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if ($key === null) {
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$key = 'null';
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}
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// also works with null as key
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if (!empty($this->availableLanguages[$key])) {
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return $this->availableLanguages[$key];
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}
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$available = ['en']; //english is always available
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$dir = $this->findL10nDir($app);
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if (is_dir($dir)) {
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$files = scandir($dir);
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if ($files !== false) {
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foreach ($files as $file) {
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if (substr($file, -5) === '.json' && substr($file, 0, 4) !== 'l10n') {
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$available[] = substr($file, 0, -5);
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}
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}
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}
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}
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$this->availableLanguages[$key] = $available;
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return $available;
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}
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/**
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* @param string|null $app App id or null for core
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* @param string $lang
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* @return bool
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*/
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public function languageExists($app, $lang) {
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if ($lang === 'en') {//english is always available
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return true;
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}
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$languages = $this->findAvailableLanguages($app);
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return array_search($lang, $languages);
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}
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/**
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* find the l10n directory
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*
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* @param string $app App id or empty string for core
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* @return string directory
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*/
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protected function findL10nDir($app = '') {
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if ($app !== '') {
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// Check if the app is in the app folder
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if (file_exists(\OC_App::getAppPath($app) . '/l10n/')) {
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return \OC_App::getAppPath($app) . '/l10n/';
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} else {
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return \OC::$SERVERROOT . '/' . $app . '/l10n/';
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}
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}
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return \OC::$SERVERROOT.'/core/l10n/';
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}
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}
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