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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\Language; |
| 22 | |
| 23 | /** |
| 24 | * Wrapper for injecting a LocalizationContext with lazy initialization. |
| 25 | * |
| 26 | * @since 1.42 |
| 27 | * @ingroup Language |
| 28 | */ |
| 29 | class LazyLocalizationContext implements LocalizationContext { |
| 30 | |
| 31 | /** @var callable */ |
| 32 | private $instantiator; |
| 33 | |
| 34 | private ?LocalizationContext $context = null; |
| 35 | |
| 36 | /** |
| 37 | * @param callable $instantiator |
| 38 | */ |
| 39 | public function __construct( callable $instantiator ) { |
| 40 | $this->instantiator = $instantiator; |
| 41 | } |
| 42 | |
| 43 | private function resolve(): LocalizationContext { |
| 44 | if ( !$this->context ) { |
| 45 | $this->context = ( $this->instantiator )(); |
| 46 | } |
| 47 | |
| 48 | return $this->context; |
| 49 | } |
| 50 | |
| 51 | public function getLanguageCode() { |
| 52 | return $this->resolve()->getLanguageCode(); |
| 53 | } |
| 54 | |
| 55 | public function msg( $key, ...$params ) { |
| 56 | return $this->resolve()->msg( $key, ...$params ); |
| 57 | } |
| 58 | } |