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GrammarTransformations.php
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GrammarTransformations.php
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<?php
/**
* @license GPL-2.0-or-later
* @file
*/
namespace Wikimedia\Leximorph\Provider;
use Wikimedia\Leximorph\Util\JsonLoader;
/**
* GrammarTransformations
*
* Provides functionality to load and cache grammar transformation rules from JSON files.
*
* @since 1.45
* @author Doğu Abaris (abaris@null.net)
* @license https://www.gnu.org/copyleft/gpl.html GPL-2.0-or-later
*/
class GrammarTransformations {
/**
* The paths to the grammar rules JSON files.
*/
private const TRANSFORMATIONS_PATH = __DIR__ . '/../data/grammarTransformations/';
/**
* Cached grammar transformations indexed by language code.
*
* @var array<string, array<int|string, mixed>>
*/
private static array $transformationsCache = [];
/**
* Initializes the GrammarTransformations.
*
* @param string $langCode The language code.
* @param JsonLoader $jsonLoader The json loader to load data
*
* @since 1.45
*/
public function __construct(
private readonly string $langCode,
private readonly JsonLoader $jsonLoader,
) {
}
/**
* Returns grammar transformation rules for the current language.
*
* @since 1.45
* @return array<int|string, mixed> Grammar transformation rules.
*/
public function getTransformations(): array {
self::$transformationsCache ??= [];
if ( isset( self::$transformationsCache[$this->langCode] ) ) {
return self::$transformationsCache[$this->langCode];
}
$filePath = self::TRANSFORMATIONS_PATH . $this->langCode . '.json';
$transformations = $this->jsonLoader->load( $filePath, 'grammar transformations' );
self::$transformationsCache[$this->langCode] = $transformations;
return $transformations;
}
}

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