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699 lines
29 KiB
699 lines
29 KiB
2 years ago
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<?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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* Standard string manager.
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*
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* @package core
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* @copyright 2010 Petr Skoda {@link http://skodak.org}
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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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defined('MOODLE_INTERNAL') || die();
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/**
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* Standard string_manager implementation
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*
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* Implements string_manager with getting and printing localised strings
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*
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* @package core
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* @copyright 2010 Petr Skoda {@link http://skodak.org}
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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 core_string_manager_standard implements core_string_manager {
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/** @var string location of all packs except 'en' */
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protected $otherroot;
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/** @var string location of all lang pack local modifications */
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protected $localroot;
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/** @var cache lang string cache - it will be optimised more later */
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protected $cache;
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/** @var int get_string() counter */
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protected $countgetstring = 0;
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/** @var bool use disk cache */
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protected $translist;
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/** @var array language aliases to use in the language selector */
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protected $transaliases = [];
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/** @var cache stores list of available translations */
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protected $menucache;
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/** @var array list of cached deprecated strings */
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protected $cacheddeprecated;
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/**
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* Create new instance of string manager
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*
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* @param string $otherroot location of downloaded lang packs - usually $CFG->dataroot/lang
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* @param string $localroot usually the same as $otherroot
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* @param array $translist limit list of visible translations
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* @param array $transaliases aliases to use for the languages in the language selector
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*/
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public function __construct($otherroot, $localroot, $translist, $transaliases = []) {
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$this->otherroot = $otherroot;
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$this->localroot = $localroot;
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if ($translist) {
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$this->translist = array_combine($translist, $translist);
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$this->transaliases = $transaliases;
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} else {
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$this->translist = array();
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}
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if ($this->get_revision() > 0) {
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// We can use a proper cache, establish the cache using the 'String cache' definition.
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$this->cache = cache::make('core', 'string');
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$this->menucache = cache::make('core', 'langmenu');
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} else {
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// We only want a cache for the length of the request, create a static cache.
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$options = array(
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'simplekeys' => true,
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'simpledata' => true
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);
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$this->cache = cache::make_from_params(cache_store::MODE_REQUEST, 'core', 'string', array(), $options);
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$this->menucache = cache::make_from_params(cache_store::MODE_REQUEST, 'core', 'langmenu', array(), $options);
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}
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}
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/**
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* Returns list of all explicit parent languages for the given language.
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*
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* English (en) is considered as the top implicit parent of all language packs
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* and is not included in the returned list. The language itself is appended to the
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* end of the list. The method is aware of circular dependency risk.
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*
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* @see self::populate_parent_languages()
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* @param string $lang the code of the language
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* @return array all explicit parent languages with the lang itself appended
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*/
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public function get_language_dependencies($lang) {
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return $this->populate_parent_languages($lang);
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}
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/**
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* Load all strings for one component
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*
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* @param string $component The module the string is associated with
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* @param string $lang
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* @param bool $disablecache Do not use caches, force fetching the strings from sources
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* @param bool $disablelocal Do not use customized strings in xx_local language packs
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* @return array of all string for given component and lang
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*/
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public function load_component_strings($component, $lang, $disablecache = false, $disablelocal = false) {
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global $CFG;
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list($plugintype, $pluginname) = core_component::normalize_component($component);
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if ($plugintype === 'core' and is_null($pluginname)) {
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$component = 'core';
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} else {
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$component = $plugintype . '_' . $pluginname;
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}
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$cachekey = $lang.'_'.$component.'_'.$this->get_key_suffix();
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$cachedstring = $this->cache->get($cachekey);
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if (!$disablecache and !$disablelocal) {
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if ($cachedstring !== false) {
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return $cachedstring;
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}
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}
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// No cache found - let us merge all possible sources of the strings.
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if ($plugintype === 'core') {
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$file = $pluginname;
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if ($file === null) {
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$file = 'moodle';
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}
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$string = array();
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// First load english pack.
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if (!file_exists("$CFG->dirroot/lang/en/$file.php")) {
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return array();
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}
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include("$CFG->dirroot/lang/en/$file.php");
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$enstring = $string;
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// And then corresponding local if present and allowed.
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if (!$disablelocal and file_exists("$this->localroot/en_local/$file.php")) {
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include("$this->localroot/en_local/$file.php");
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}
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// Now loop through all langs in correct order.
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$deps = $this->get_language_dependencies($lang);
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foreach ($deps as $dep) {
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// The main lang string location.
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if (file_exists("$this->otherroot/$dep/$file.php")) {
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include("$this->otherroot/$dep/$file.php");
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}
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if (!$disablelocal and file_exists("$this->localroot/{$dep}_local/$file.php")) {
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include("$this->localroot/{$dep}_local/$file.php");
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}
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}
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} else {
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if (!$location = core_component::get_plugin_directory($plugintype, $pluginname) or !is_dir($location)) {
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return array();
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}
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if ($plugintype === 'mod') {
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// Bloody mod hack.
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$file = $pluginname;
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} else {
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$file = $plugintype . '_' . $pluginname;
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}
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$string = array();
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// First load English pack.
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if (!file_exists("$location/lang/en/$file.php")) {
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// English pack does not exist, so do not try to load anything else.
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return array();
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}
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include("$location/lang/en/$file.php");
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$enstring = $string;
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// And then corresponding local english if present.
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if (!$disablelocal and file_exists("$this->localroot/en_local/$file.php")) {
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include("$this->localroot/en_local/$file.php");
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}
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// Now loop through all langs in correct order.
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$deps = $this->get_language_dependencies($lang);
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foreach ($deps as $dep) {
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// Legacy location - used by contrib only.
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if (file_exists("$location/lang/$dep/$file.php")) {
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include("$location/lang/$dep/$file.php");
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}
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// The main lang string location.
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if (file_exists("$this->otherroot/$dep/$file.php")) {
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include("$this->otherroot/$dep/$file.php");
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}
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// Local customisations.
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if (!$disablelocal and file_exists("$this->localroot/{$dep}_local/$file.php")) {
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include("$this->localroot/{$dep}_local/$file.php");
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}
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}
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}
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// We do not want any extra strings from other languages - everything must be in en lang pack.
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$string = array_intersect_key($string, $enstring);
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if (!$disablelocal) {
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// Now we have a list of strings from all possible sources,
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// cache it in MUC cache if not already there.
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if ($cachedstring === false) {
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$this->cache->set($cachekey, $string);
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}
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}
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return $string;
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}
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/**
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* Parses all deprecated.txt in all plugins lang locations and returns the list of deprecated strings.
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*
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* Static variable is used for caching, this function is only called in dev environment.
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*
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* @return array of deprecated strings in the same format they appear in deprecated.txt files: "identifier,component"
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* where component is a normalised component (i.e. "core_moodle", "mod_assign", etc.)
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*/
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protected function load_deprecated_strings() {
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global $CFG;
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if ($this->cacheddeprecated !== null) {
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return $this->cacheddeprecated;
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}
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$this->cacheddeprecated = array();
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$content = '';
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$filename = $CFG->dirroot . '/lang/en/deprecated.txt';
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if (file_exists($filename)) {
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$content .= file_get_contents($filename);
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}
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foreach (core_component::get_plugin_types() as $plugintype => $plugintypedir) {
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foreach (core_component::get_plugin_list($plugintype) as $pluginname => $plugindir) {
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$filename = $plugindir.'/lang/en/deprecated.txt';
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if (file_exists($filename)) {
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$content .= "\n". file_get_contents($filename);
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}
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}
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}
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$strings = preg_split('/\s*\n\s*/', $content, -1, PREG_SPLIT_NO_EMPTY);
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$this->cacheddeprecated = array_flip($strings);
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return $this->cacheddeprecated;
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}
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/**
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* Has string been deprecated?
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*
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* Usually checked only inside get_string() to display debug warnings.
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*
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* @param string $identifier The identifier of the string to search for
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* @param string $component The module the string is associated with
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* @return bool true if deprecated
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*/
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public function string_deprecated($identifier, $component) {
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$deprecated = $this->load_deprecated_strings();
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list($plugintype, $pluginname) = core_component::normalize_component($component);
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$normcomponent = $pluginname ? ($plugintype . '_' . $pluginname) : $plugintype;
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return isset($deprecated[$identifier . ',' . $normcomponent]);
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}
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/**
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* Does the string actually exist?
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*
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* get_string() is throwing debug warnings, sometimes we do not want them
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* or we want to display better explanation of the problem.
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* Note: Use with care!
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*
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* @param string $identifier The identifier of the string to search for
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* @param string $component The module the string is associated with
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* @return boot true if exists
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*/
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public function string_exists($identifier, $component) {
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$lang = current_language();
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$string = $this->load_component_strings($component, $lang);
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return isset($string[$identifier]);
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}
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/**
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* Get String returns a requested string
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*
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* @param string $identifier The identifier of the string to search for
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* @param string $component The module the string is associated with
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* @param string|object|array $a An object, string or number that can be used
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* within translation strings
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* @param string $lang moodle translation language, null means use current
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* @return string The String !
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*/
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public function get_string($identifier, $component = '', $a = null, $lang = null) {
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global $CFG;
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$this->countgetstring++;
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// There are very many uses of these time formatting strings without the 'langconfig' component,
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// it would not be reasonable to expect that all of them would be converted during 2.0 migration.
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static $langconfigstrs = array(
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'strftimedate' => 1,
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'strftimedatefullshort' => 1,
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'strftimedateshort' => 1,
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'strftimedatetime' => 1,
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'strftimedatetimeshort' => 1,
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'strftimedaydate' => 1,
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'strftimedaydatetime' => 1,
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'strftimedayshort' => 1,
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'strftimedaytime' => 1,
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'strftimemonthyear' => 1,
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'strftimerecent' => 1,
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'strftimerecentfull' => 1,
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'strftimetime' => 1);
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if (empty($component)) {
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if (isset($langconfigstrs[$identifier])) {
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$component = 'langconfig';
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} else {
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$component = 'moodle';
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}
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}
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if ($lang === null) {
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$lang = current_language();
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}
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$string = $this->load_component_strings($component, $lang);
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if (!isset($string[$identifier])) {
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if ($component === 'pix' or $component === 'core_pix') {
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// This component contains only alt tags for emoticons, not all of them are supposed to be defined.
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return '';
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}
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if ($identifier === 'parentlanguage' and ($component === 'langconfig' or $component === 'core_langconfig')) {
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// Identifier parentlanguage is a special string, undefined means use English if not defined.
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return 'en';
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}
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// Do not rebuild caches here!
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// Devs need to learn to purge all caches after any change or disable $CFG->langstringcache.
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if (!isset($string[$identifier])) {
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// The string is still missing - should be fixed by developer.
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if ($CFG->debugdeveloper) {
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list($plugintype, $pluginname) = core_component::normalize_component($component);
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if ($plugintype === 'core') {
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$file = "lang/en/{$component}.php";
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} else if ($plugintype == 'mod') {
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$file = "mod/{$pluginname}/lang/en/{$pluginname}.php";
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} else {
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$path = core_component::get_plugin_directory($plugintype, $pluginname);
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$file = "{$path}/lang/en/{$plugintype}_{$pluginname}.php";
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}
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debugging("Invalid get_string() identifier: '{$identifier}' or component '{$component}'. " .
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"Perhaps you are missing \$string['{$identifier}'] = ''; in {$file}?", DEBUG_DEVELOPER);
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}
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return "[[$identifier]]";
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}
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|
|
}
|
||
|
|
|
||
|
|
$string = $string[$identifier];
|
||
|
|
|
||
|
|
if ($a !== null) {
|
||
|
|
// Process array's and objects (except lang_strings).
|
||
|
|
if (is_array($a) or (is_object($a) && !($a instanceof lang_string))) {
|
||
|
|
$a = (array)$a;
|
||
|
|
$search = array();
|
||
|
|
$replace = array();
|
||
|
|
foreach ($a as $key => $value) {
|
||
|
|
if (is_int($key)) {
|
||
|
|
// We do not support numeric keys - sorry!
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (is_array($value) or (is_object($value) && !($value instanceof lang_string))) {
|
||
|
|
// We support just string or lang_string as value.
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$search[] = '{$a->'.$key.'}';
|
||
|
|
$replace[] = (string)$value;
|
||
|
|
}
|
||
|
|
if ($search) {
|
||
|
|
$string = str_replace($search, $replace, $string);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$string = str_replace('{$a}', (string)$a, $string);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($CFG->debugdeveloper) {
|
||
|
|
// Display a debugging message if sting exists but was deprecated.
|
||
|
|
if ($this->string_deprecated($identifier, $component)) {
|
||
|
|
list($plugintype, $pluginname) = core_component::normalize_component($component);
|
||
|
|
$normcomponent = $pluginname ? ($plugintype . '_' . $pluginname) : $plugintype;
|
||
|
|
debugging("String [{$identifier},{$normcomponent}] is deprecated. ".
|
||
|
|
'Either you should no longer be using that string, or the string has been incorrectly deprecated, in which case you should report this as a bug. '.
|
||
|
|
'Please refer to https://docs.moodle.org/dev/String_deprecation', DEBUG_DEVELOPER);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $string;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns information about the core_string_manager performance.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_performance_summary() {
|
||
|
|
return array(array(
|
||
|
|
'langcountgetstring' => $this->countgetstring,
|
||
|
|
), array(
|
||
|
|
'langcountgetstring' => 'get_string calls',
|
||
|
|
));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a localised list of all country names, sorted by localised name.
|
||
|
|
*
|
||
|
|
* @param bool $returnall return all or just enabled
|
||
|
|
* @param string $lang moodle translation language, null means use current
|
||
|
|
* @return array two-letter country code => translated name.
|
||
|
|
*/
|
||
|
|
public function get_list_of_countries($returnall = false, $lang = null) {
|
||
|
|
global $CFG;
|
||
|
|
|
||
|
|
if ($lang === null) {
|
||
|
|
$lang = current_language();
|
||
|
|
}
|
||
|
|
|
||
|
|
$countries = $this->load_component_strings('core_countries', $lang);
|
||
|
|
core_collator::asort($countries);
|
||
|
|
if (!$returnall and !empty($CFG->allcountrycodes)) {
|
||
|
|
$enabled = explode(',', $CFG->allcountrycodes);
|
||
|
|
$return = array();
|
||
|
|
foreach ($enabled as $c) {
|
||
|
|
if (isset($countries[$c])) {
|
||
|
|
$return[$c] = $countries[$c];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $return;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $countries;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a localised list of languages, sorted by code keys.
|
||
|
|
*
|
||
|
|
* @param string $lang moodle translation language, null means use current
|
||
|
|
* @param string $standard language list standard
|
||
|
|
* - iso6392: three-letter language code (ISO 639-2/T) => translated name
|
||
|
|
* - iso6391: two-letter language code (ISO 639-1) => translated name
|
||
|
|
* @return array language code => translated name
|
||
|
|
*/
|
||
|
|
public function get_list_of_languages($lang = null, $standard = 'iso6391') {
|
||
|
|
if ($lang === null) {
|
||
|
|
$lang = current_language();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($standard === 'iso6392') {
|
||
|
|
$langs = $this->load_component_strings('core_iso6392', $lang);
|
||
|
|
ksort($langs);
|
||
|
|
return $langs;
|
||
|
|
|
||
|
|
} else if ($standard === 'iso6391') {
|
||
|
|
$langs2 = $this->load_component_strings('core_iso6392', $lang);
|
||
|
|
static $mapping = array('aar' => 'aa', 'abk' => 'ab', 'afr' => 'af', 'aka' => 'ak', 'sqi' => 'sq', 'amh' => 'am', 'ara' => 'ar', 'arg' => 'an', 'hye' => 'hy',
|
||
|
|
'asm' => 'as', 'ava' => 'av', 'ave' => 'ae', 'aym' => 'ay', 'aze' => 'az', 'bak' => 'ba', 'bam' => 'bm', 'eus' => 'eu', 'bel' => 'be', 'ben' => 'bn', 'bih' => 'bh',
|
||
|
|
'bis' => 'bi', 'bos' => 'bs', 'bre' => 'br', 'bul' => 'bg', 'mya' => 'my', 'cat' => 'ca', 'cha' => 'ch', 'che' => 'ce', 'zho' => 'zh', 'chu' => 'cu', 'chv' => 'cv',
|
||
|
|
'cor' => 'kw', 'cos' => 'co', 'cre' => 'cr', 'ces' => 'cs', 'dan' => 'da', 'div' => 'dv', 'nld' => 'nl', 'dzo' => 'dz', 'eng' => 'en', 'epo' => 'eo', 'est' => 'et',
|
||
|
|
'ewe' => 'ee', 'fao' => 'fo', 'fij' => 'fj', 'fin' => 'fi', 'fra' => 'fr', 'fry' => 'fy', 'ful' => 'ff', 'kat' => 'ka', 'deu' => 'de', 'gla' => 'gd', 'gle' => 'ga',
|
||
|
|
'glg' => 'gl', 'glv' => 'gv', 'ell' => 'el', 'grn' => 'gn', 'guj' => 'gu', 'hat' => 'ht', 'hau' => 'ha', 'heb' => 'he', 'her' => 'hz', 'hin' => 'hi', 'hmo' => 'ho',
|
||
|
|
'hrv' => 'hr', 'hun' => 'hu', 'ibo' => 'ig', 'isl' => 'is', 'ido' => 'io', 'iii' => 'ii', 'iku' => 'iu', 'ile' => 'ie', 'ina' => 'ia', 'ind' => 'id', 'ipk' => 'ik',
|
||
|
|
'ita' => 'it', 'jav' => 'jv', 'jpn' => 'ja', 'kal' => 'kl', 'kan' => 'kn', 'kas' => 'ks', 'kau' => 'kr', 'kaz' => 'kk', 'khm' => 'km', 'kik' => 'ki', 'kin' => 'rw',
|
||
|
|
'kir' => 'ky', 'kom' => 'kv', 'kon' => 'kg', 'kor' => 'ko', 'kua' => 'kj', 'kur' => 'ku', 'lao' => 'lo', 'lat' => 'la', 'lav' => 'lv', 'lim' => 'li', 'lin' => 'ln',
|
||
|
|
'lit' => 'lt', 'ltz' => 'lb', 'lub' => 'lu', 'lug' => 'lg', 'mkd' => 'mk', 'mah' => 'mh', 'mal' => 'ml', 'mri' => 'mi', 'mar' => 'mr', 'msa' => 'ms', 'mlg' => 'mg',
|
||
|
|
'mlt' => 'mt', 'mon' => 'mn', 'nau' => 'na', 'nav' => 'nv', 'nbl' => 'nr', 'nde' => 'nd', 'ndo' => 'ng', 'nep' => 'ne', 'nno' => 'nn', 'nob' => 'nb', 'nor' => 'no',
|
||
|
|
'nya' => 'ny', 'oci' => 'oc', 'oji' => 'oj', 'ori' => 'or', 'orm' => 'om', 'oss' => 'os', 'pan' => 'pa', 'fas' => 'fa', 'pli' => 'pi', 'pol' => 'pl', 'por' => 'pt',
|
||
|
|
'pus' => 'ps', 'que' => 'qu', 'roh' => 'rm', 'ron' => 'ro', 'run' => 'rn', 'rus' => 'ru', 'sag' => 'sg', 'san' => 'sa', 'sin' => 'si', 'slk' => 'sk', 'slv' => 'sl',
|
||
|
|
'sme' => 'se', 'smo' => 'sm', 'sna' => 'sn', 'snd' => 'sd', 'som' => 'so', 'sot' => 'st', 'spa' => 'es', 'srd' => 'sc', 'srp' => 'sr', 'ssw' => 'ss', 'sun' => 'su',
|
||
|
|
'swa' => 'sw', 'swe' => 'sv', 'tah' => 'ty', 'tam' => 'ta', 'tat' => 'tt', 'tel' => 'te', 'tgk' => 'tg', 'tgl' => 'tl', 'tha' => 'th', 'bod' => 'bo', 'tir' => 'ti',
|
||
|
|
'ton' => 'to', 'tsn' => 'tn', 'tso' => 'ts', 'tuk' => 'tk', 'tur' => 'tr', 'twi' => 'tw', 'uig' => 'ug', 'ukr' => 'uk', 'urd' => 'ur', 'uzb' => 'uz', 'ven' => 've',
|
||
|
|
'vie' => 'vi', 'vol' => 'vo', 'cym' => 'cy', 'wln' => 'wa', 'wol' => 'wo', 'xho' => 'xh', 'yid' => 'yi', 'yor' => 'yo', 'zha' => 'za', 'zul' => 'zu');
|
||
|
|
$langs1 = array();
|
||
|
|
foreach ($mapping as $c2 => $c1) {
|
||
|
|
$langs1[$c1] = $langs2[$c2];
|
||
|
|
}
|
||
|
|
ksort($langs1);
|
||
|
|
return $langs1;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
debugging('Unsupported $standard parameter in get_list_of_languages() method: '.$standard);
|
||
|
|
}
|
||
|
|
|
||
|
|
return array();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if the translation exists for the language
|
||
|
|
*
|
||
|
|
* @param string $lang moodle translation language code
|
||
|
|
* @param bool $includeall include also disabled translations
|
||
|
|
* @return bool true if exists
|
||
|
|
*/
|
||
|
|
public function translation_exists($lang, $includeall = true) {
|
||
|
|
$translations = $this->get_list_of_translations($includeall);
|
||
|
|
return isset($translations[$lang]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns localised list of installed translations
|
||
|
|
*
|
||
|
|
* @param bool $returnall return all or just enabled
|
||
|
|
* @return array moodle translation code => localised translation name
|
||
|
|
*/
|
||
|
|
public function get_list_of_translations($returnall = false) {
|
||
|
|
global $CFG;
|
||
|
|
|
||
|
|
$languages = array();
|
||
|
|
|
||
|
|
$cachekey = 'list_'.$this->get_key_suffix();
|
||
|
|
$cachedlist = $this->menucache->get($cachekey);
|
||
|
|
if ($cachedlist !== false) {
|
||
|
|
// The cache content is invalid.
|
||
|
|
if ($returnall or empty($this->translist)) {
|
||
|
|
return $cachedlist;
|
||
|
|
}
|
||
|
|
// Return only enabled translations.
|
||
|
|
foreach ($cachedlist as $langcode => $langname) {
|
||
|
|
if (array_key_exists($langcode, $this->translist)) {
|
||
|
|
$languages[$langcode] = !empty($this->transaliases[$langcode]) ? $this->transaliases[$langcode] : $langname;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $languages;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get all languages available in system.
|
||
|
|
$langdirs = get_list_of_plugins('', 'en', $this->otherroot);
|
||
|
|
$langdirs["$CFG->dirroot/lang/en"] = 'en';
|
||
|
|
|
||
|
|
// We use left to right mark to demark the shortcodes contained in LTR brackets, but we need to do
|
||
|
|
// this hacky thing to have the utf8 char until we go php7 minimum and can simply put \u200E in
|
||
|
|
// a double quoted string.
|
||
|
|
$lrm = json_decode('"\u200E"');
|
||
|
|
|
||
|
|
// Loop through all langs and get info.
|
||
|
|
foreach ($langdirs as $lang) {
|
||
|
|
if (strrpos($lang, '_local') !== false) {
|
||
|
|
// Just a local tweak of some other lang pack.
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (strrpos($lang, '_utf8') !== false) {
|
||
|
|
// Legacy 1.x lang pack.
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if ($lang !== clean_param($lang, PARAM_SAFEDIR)) {
|
||
|
|
// Invalid lang pack name!
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$string = $this->load_component_strings('langconfig', $lang);
|
||
|
|
if (!empty($string['thislanguage'])) {
|
||
|
|
$languages[$lang] = $string['thislanguage'].' '.$lrm.'('. $lang .')'.$lrm;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
core_collator::asort($languages);
|
||
|
|
|
||
|
|
// Cache the list so that it can be used next time.
|
||
|
|
$this->menucache->set($cachekey, $languages);
|
||
|
|
|
||
|
|
if ($returnall or empty($this->translist)) {
|
||
|
|
return $languages;
|
||
|
|
}
|
||
|
|
|
||
|
|
$cachedlist = $languages;
|
||
|
|
|
||
|
|
// Return only enabled translations.
|
||
|
|
$languages = array();
|
||
|
|
foreach ($cachedlist as $langcode => $langname) {
|
||
|
|
if (isset($this->translist[$langcode])) {
|
||
|
|
$languages[$langcode] = !empty($this->transaliases[$langcode]) ? $this->transaliases[$langcode] : $langname;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $languages;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns localised list of currencies.
|
||
|
|
*
|
||
|
|
* @param string $lang moodle translation language, null means use current
|
||
|
|
* @return array currency code => localised currency name
|
||
|
|
*/
|
||
|
|
public function get_list_of_currencies($lang = null) {
|
||
|
|
if ($lang === null) {
|
||
|
|
$lang = current_language();
|
||
|
|
}
|
||
|
|
|
||
|
|
$currencies = $this->load_component_strings('core_currencies', $lang);
|
||
|
|
asort($currencies);
|
||
|
|
|
||
|
|
return $currencies;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clears both in-memory and on-disk caches
|
||
|
|
* @param bool $phpunitreset true means called from our PHPUnit integration test reset
|
||
|
|
*/
|
||
|
|
public function reset_caches($phpunitreset = false) {
|
||
|
|
// Clear the on-disk disk with aggregated string files.
|
||
|
|
$this->cache->purge();
|
||
|
|
$this->menucache->purge();
|
||
|
|
|
||
|
|
if (!$phpunitreset) {
|
||
|
|
// Increment the revision counter.
|
||
|
|
$langrev = get_config('core', 'langrev');
|
||
|
|
$next = time();
|
||
|
|
if ($langrev !== false and $next <= $langrev and $langrev - $next < 60*60) {
|
||
|
|
// This resolves problems when reset is requested repeatedly within 1s,
|
||
|
|
// the < 1h condition prevents accidental switching to future dates
|
||
|
|
// because we might not recover from it.
|
||
|
|
$next = $langrev+1;
|
||
|
|
}
|
||
|
|
set_config('langrev', $next);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Lang packs use PHP files in dataroot, it is better to invalidate opcode caches.
|
||
|
|
if (function_exists('opcache_reset')) {
|
||
|
|
opcache_reset();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns cache key suffix, this enables us to store string + lang menu
|
||
|
|
* caches in local caches on cluster nodes. We can not use prefix because
|
||
|
|
* it would cause problems when creating subdirs in cache file store.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function get_key_suffix() {
|
||
|
|
$rev = $this->get_revision();
|
||
|
|
if ($rev < 0) {
|
||
|
|
// Simple keys do not like minus char.
|
||
|
|
$rev = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $rev;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns string revision counter, this is incremented after any string cache reset.
|
||
|
|
* @return int lang string revision counter, -1 if unknown
|
||
|
|
*/
|
||
|
|
public function get_revision() {
|
||
|
|
global $CFG;
|
||
|
|
if (empty($CFG->langstringcache)) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if (isset($CFG->langrev)) {
|
||
|
|
return (int)$CFG->langrev;
|
||
|
|
} else {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helper method that recursively loads all parents of the given language.
|
||
|
|
*
|
||
|
|
* @see self::get_language_dependencies()
|
||
|
|
* @param string $lang language code
|
||
|
|
* @param array $stack list of parent languages already populated in previous recursive calls
|
||
|
|
* @return array list of all parents of the given language with the $lang itself added as the last element
|
||
|
|
*/
|
||
|
|
protected function populate_parent_languages($lang, array $stack = array()) {
|
||
|
|
|
||
|
|
// English does not have a parent language.
|
||
|
|
if ($lang === 'en') {
|
||
|
|
return $stack;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Prevent circular dependency (and thence the infinitive recursion loop).
|
||
|
|
if (in_array($lang, $stack)) {
|
||
|
|
return $stack;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Load language configuration and look for the explicit parent language.
|
||
|
|
if (!file_exists("$this->otherroot/$lang/langconfig.php")) {
|
||
|
|
return $stack;
|
||
|
|
}
|
||
|
|
$string = array();
|
||
|
|
include("$this->otherroot/$lang/langconfig.php");
|
||
|
|
|
||
|
|
if (empty($string['parentlanguage']) or $string['parentlanguage'] === 'en') {
|
||
|
|
return array_merge(array($lang), $stack);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
$parentlang = $string['parentlanguage'];
|
||
|
|
return $this->populate_parent_languages($parentlang, array_merge(array($lang), $stack));
|
||
|
|
}
|
||
|
|
}
|