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<?php |
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/* |
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* This file is part of the openl10n package. |
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* |
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* (c) Matthieu Moquet <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Openl10n\Component\Translation\MessageCatalogue; |
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/** |
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* Combine catalogues using fallback locales. |
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*/ |
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class FallbackCatalogueLoader implements MessageCatalogueLoader |
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{ |
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/** |
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* Decorated catalogue loader. |
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* |
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* @var MessageCatalogueLoader |
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*/ |
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protected $catalogueLoader; |
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/** |
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* Fallback locales. |
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* |
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* @var array |
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*/ |
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protected $fallbackLocales = []; |
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/** |
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* @param MessageCatalogueLoader $catalogueLoader |
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*/ |
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public function __construct(MessageCatalogueLoader $catalogueLoader) |
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{ |
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$this->catalogueLoader = $catalogueLoader; |
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} |
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/** |
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* Sets the fallback locales. |
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* |
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* @param array $locales The fallback locales |
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*/ |
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public function setFallbackLocales(array $locales) |
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{ |
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$this->fallbackLocales = $locales; |
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} |
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/** |
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* Gets the fallback locales. |
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* |
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* @return array $locales The fallback locales |
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*/ |
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public function getFallbackLocales() |
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{ |
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return $this->fallbackLocales; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function loadCatalogue($locale) |
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{ |
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$catalogues = []; |
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$catalogues[$locale] = $this->catalogueLoader->loadCatalogue($locale); |
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$current = $catalogues[$locale]; |
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foreach ($this->computeFallbackLocales($locale) as $fallback) { |
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if (!isset($catalogues[$fallback])) { |
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$catalogues[$fallback] = $this->catalogueLoader->loadCatalogue($fallback); |
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} |
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$current->addFallbackCatalogue($catalogues[$fallback]); |
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$current = $catalogues[$fallback]; |
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} |
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return $catalogues[$locale]; |
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} |
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protected function computeFallbackLocales($locale) |
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{ |
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$locales = []; |
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foreach ($this->fallbackLocales as $fallback) { |
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if ($fallback === $locale) { |
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continue; |
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} |
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$locales[] = $fallback; |
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} |
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if (strrchr($locale, '_') !== false) { |
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array_unshift($locales, substr($locale, 0, -strlen(strrchr($locale, '_')))); |
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} |
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return array_unique($locales); |
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} |
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} |
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openl10n /
openl10n-translation
