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84 lines
2.9 KiB
84 lines
2.9 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Helper class for the language import tool.
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*
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* @package tool_langimport
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* @copyright 2018 Université Rennes 2 {@link https://www.univ-rennes2.fr}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace tool_langimport;
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use coding_exception;
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defined('MOODLE_INTERNAL') || die;
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/**
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* Helper class for the language import tool.
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*
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* @copyright 2018 Université Rennes 2 {@link https://www.univ-rennes2.fr}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class locale {
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/**
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* Checks availability of locale on current operating system.
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*
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* @param string $langpackcode E.g.: en, es, fr, de.
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* @return bool TRUE if the locale is available on OS.
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* @throws coding_exception when $langpackcode parameter is a non-empty string.
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*/
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public function check_locale_availability(string $langpackcode) : bool {
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global $CFG;
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if (empty($langpackcode)) {
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throw new coding_exception('Invalid language pack code in \\'.__METHOD__.'() call, only non-empty string is allowed');
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}
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// Fetch the correct locale based on ostype.
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if ($CFG->ostype === 'WINDOWS') {
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$stringtofetch = 'localewin';
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} else {
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$stringtofetch = 'locale';
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}
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// Store current locale.
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$currentlocale = $this->set_locale(LC_ALL, 0);
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$locale = get_string_manager()->get_string($stringtofetch, 'langconfig', $a = null, $langpackcode);
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// Try to set new locale.
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$return = $this->set_locale(LC_ALL, $locale);
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// Restore current locale.
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$this->set_locale(LC_ALL, $currentlocale);
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// If $return is not equal to false, it means that setlocale() succeed to change locale.
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return $return !== false;
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}
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/**
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* Wrap for the native PHP function setlocale().
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*
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* @param int $category Specifying the category of the functions affected by the locale setting.
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* @param string $locale E.g.: en_AU.utf8, en_GB.utf8, es_ES.utf8, fr_FR.utf8, de_DE.utf8.
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* @return string|false Returns the new current locale, or FALSE on error.
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*/
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protected function set_locale(int $category = LC_ALL, string $locale = '0') {
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return setlocale($category, $locale);
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}
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}
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