* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Bundle\FrameworkBundle\Translation; use Symfony\Component\Translation\Translator as BaseTranslator; use Symfony\Component\Translation\MessageSelector; use Symfony\Component\DependencyInjection\ContainerInterface; use Symfony\Component\Config\ConfigCache; /** * Translator. * * @author Fabien Potencier */ class Translator extends BaseTranslator { protected $container; protected $options; protected $loaderIds; /** * Constructor. * * Available options: * * * cache_dir: The cache directory (or null to disable caching) * * debug: Whether to enable debugging or not (false by default) * * @param ContainerInterface $container A ContainerInterface instance * @param MessageSelector $selector The message selector for pluralization * @param array $loaderIds An array of loader Ids * @param array $options An array of options */ public function __construct(ContainerInterface $container, MessageSelector $selector, $loaderIds = array(), array $options = array()) { $this->container = $container; $this->loaderIds = $loaderIds; $this->options = array( 'cache_dir' => null, 'debug' => false, ); // check option names if ($diff = array_diff(array_keys($options), array_keys($this->options))) { throw new \InvalidArgumentException(sprintf('The Translator does not support the following options: \'%s\'.', implode('\', \'', $diff))); } $this->options = array_merge($this->options, $options); parent::__construct(null, $selector); } /** * {@inheritdoc} */ public function getLocale() { if (null === $this->locale && $this->container->isScopeActive('request') && $this->container->has('request')) { $this->locale = $this->container->get('request')->getLocale(); } return $this->locale; } /** * {@inheritdoc} */ protected function loadCatalogue($locale) { if (isset($this->catalogues[$locale])) { return; } if (null === $this->options['cache_dir']) { $this->initialize(); return parent::loadCatalogue($locale); } $cache = new ConfigCache($this->options['cache_dir'].'/catalogue.'.$locale.'.php', $this->options['debug']); if (!$cache->isFresh()) { $this->initialize(); parent::loadCatalogue($locale); $fallbackContent = ''; $current = ''; foreach ($this->computeFallbackLocales($locale) as $fallback) { $fallbackContent .= sprintf(<<addFallbackCatalogue(\$catalogue%s); EOF , ucfirst($fallback), $fallback, var_export($this->catalogues[$fallback]->all(), true), ucfirst($current), ucfirst($fallback) ); $current = $fallback; } $content = sprintf(<<catalogues[$locale]->all(), true), $fallbackContent ); $cache->write($content, $this->catalogues[$locale]->getResources()); return; } $this->catalogues[$locale] = include $cache; } protected function initialize() { foreach ($this->loaderIds as $id => $aliases) { foreach ($aliases as $alias) { $this->addLoader($alias, $this->container->get($id)); } } } }