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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Translator; |
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use Psr\EventDispatcher\EventDispatcherInterface; |
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use Yiisoft\Translator\Event\MissingTranslationCategoryEvent; |
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use Yiisoft\Translator\Event\MissingTranslationEvent; |
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class Translator implements TranslatorInterface |
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{ |
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private string $defaultCategory; |
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private string $defaultLocale; |
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private EventDispatcherInterface $eventDispatcher; |
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private ?string $fallbackLocale; |
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/** |
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* @var Category[] |
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*/ |
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private array $categories = []; |
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public function __construct( |
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Category $defaultCategory, |
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string $defaultLocale, |
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EventDispatcherInterface $eventDispatcher, |
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string $fallbackLocale = null |
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) { |
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$this->defaultCategory = $defaultCategory->getName(); |
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$this->eventDispatcher = $eventDispatcher; |
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$this->defaultLocale = $defaultLocale; |
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$this->fallbackLocale = $fallbackLocale; |
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$this->addCategorySource($defaultCategory); |
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} |
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public function addCategorySource(Category $category): void |
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{ |
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$this->categories[$category->getName()] = $category; |
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} |
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/** |
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* Sets the current application locale. |
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* |
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* @param string $locale |
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*/ |
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public function withLocale(string $locale): self |
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{ |
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$new = clone $this; |
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$new->defaultLocale = $locale; |
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return $new; |
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} |
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public function getLocale(): string |
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{ |
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return $this->defaultLocale; |
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} |
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public function translate( |
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string $id, |
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array $parameters = [], |
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string $category = null, |
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string $locale = null |
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): string { |
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$locale = $locale ?? $this->defaultLocale; |
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$category = $category ?? $this->defaultCategory; |
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if (empty($this->categories[$category])) { |
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$this->eventDispatcher->dispatch(new MissingTranslationCategoryEvent($category)); |
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return $id; |
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} |
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$sourceCategory = $this->categories[$category]; |
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$message = $sourceCategory->getMessage($id, $locale, $parameters); |
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if ($message === null) { |
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$this->eventDispatcher->dispatch(new MissingTranslationEvent($sourceCategory->getName(), $locale, $id)); |
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$localeObject = new Locale($locale); |
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$fallback = $localeObject->fallbackLocale(); |
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if ($fallback->asString() !== $localeObject->asString()) { |
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return $this->translate($id, $parameters, $category, $fallback->asString()); |
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} |
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if (!empty($this->fallbackLocale)) { |
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$fallbackLocaleObject = (new Locale($this->fallbackLocale))->fallbackLocale(); |
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if ($fallbackLocaleObject->asString() !== $localeObject->asString()) { |
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return $this->translate($id, $parameters, $category, $fallbackLocaleObject->asString()); |
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} |
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} |
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$message = $id; |
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} |
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return $sourceCategory->format($message, $parameters, $locale); |
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} |
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} |
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yiisoft /
translator
