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GrammarFallbackRegistry.php
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GrammarFallbackRegistry.php
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<?php
/**
* @license GPL-2.0-or-later
* @file
*/
namespace Wikimedia\Leximorph\Handler\Overrides;
use Psr\Log\LoggerInterface;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarCu;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarFi;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarGa;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarHy;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarKaa;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarKk;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarKk_cyrl;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarKsh;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarOs;
use Wikimedia\Leximorph\Handler\Overrides\Grammar\GrammarTyv;
use Wikimedia\Leximorph\Traits\SpecBasedFactoryTrait;
/**
* GrammarFallbackRegistry
*
* Manages the registration and retrieval of language-specific grammar
* transformers, which can be used to apply procedural grammar fallbacks
* for specific languages.
*
* @since 1.45
* @author Doğu Abaris (abaris@null.net)
* @license https://www.gnu.org/copyleft/gpl.html GPL-2.0-or-later
*/
class GrammarFallbackRegistry {
use SpecBasedFactoryTrait;
/**
* Grammar processor specifications, keyed by language code.
*
* @var array<string, array{class: class-string<IGrammarTransformer>, args: array<int, mixed>}>
*/
private const PROCESSOR_SPECS = [
'cu' => [
'class' => GrammarCu::class,
'args' => [],
],
'fi' => [
'class' => GrammarFi::class,
'args' => [],
],
'ga' => [
'class' => GrammarGa::class,
'args' => [],
],
'hy' => [
'class' => GrammarHy::class,
'args' => [],
],
'kaa' => [
'class' => GrammarKaa::class,
'args' => [],
],
'kk' => [
'class' => GrammarKk::class,
'args' => [],
],
'kk-cyrl' => [
'class' => GrammarKk_cyrl::class,
'args' => [],
],
'ksh' => [
'class' => GrammarKsh::class,
'args' => [],
],
'os' => [
'class' => GrammarOs::class,
'args' => [],
],
'tyv' => [
'class' => GrammarTyv::class,
'args' => [],
],
];
/**
* @inheritDoc
*/
protected function getSpecMap(): array {
$map = [];
foreach ( self::PROCESSOR_SPECS as $spec ) {
$class = $spec['class'];
$args = $spec['args'];
$map[$class] = [ 'args' => $args ];
}
return $map;
}
/**
* @inheritDoc
*/
protected function getSpecArgs( array $spec, LoggerInterface $logger ): array {
return [];
}
/**
* Retrieves the grammar transformer for the given language, if defined.
*
* @param string $langCode Language code.
*
* @since 1.45
* @return ?IGrammarTransformer
*/
public function getProcessor( string $langCode ): ?IGrammarTransformer {
$spec = self::PROCESSOR_SPECS[$langCode] ?? null;
if ( !$spec ) {
return null;
}
return $this->createFromSpec( $spec['class'] );
}
/**
* Applies a grammar transformation using the transformer for the given language.
*
* @param string $langCode Language code.
* @param string $word Word or phrase to transform.
* @param string $case Grammatical case (e.g., 'genitive', 'instrumental').
*
* @since 1.45
* @return string Transformed word if processor exists, otherwise original.
*/
public function apply( string $langCode, string $word, string $case ): string {
$processor = $this->getProcessor( $langCode );
return $processor ? $processor->process( $word, $case ) : $word;
}
}

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