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Filename :
MessageCatalogue.php
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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Translation; use Symfony\Component\Config\Resource\ResourceInterface; /** * MessageCatalogue. * * @author Fabien Potencier <fabien@symfony.com> * * @api */ class MessageCatalogue implements MessageCatalogueInterface, MetadataAwareInterface { private $messages = array(); private $metadata = array(); private $resources = array(); private $locale; private $fallbackCatalogue; private $parent; /** * Constructor. * * @param string $locale The locale * @param array $messages An array of messages classified by domain * * @api */ public function __construct($locale, array $messages = array()) { $this->locale = $locale; $this->messages = $messages; } /** * {@inheritdoc} * * @api */ public function getLocale() { return $this->locale; } /** * {@inheritdoc} * * @api */ public function getDomains() { return array_keys($this->messages); } /** * {@inheritdoc} * * @api */ public function all($domain = null) { if (null === $domain) { return $this->messages; } return isset($this->messages[$domain]) ? $this->messages[$domain] : array(); } /** * {@inheritdoc} * * @api */ public function set($id, $translation, $domain = 'messages') { $this->add(array($id => $translation), $domain); } /** * {@inheritdoc} * * @api */ public function has($id, $domain = 'messages') { if (isset($this->messages[$domain][$id])) { return true; } if (null !== $this->fallbackCatalogue) { return $this->fallbackCatalogue->has($id, $domain); } return false; } /** * {@inheritdoc} */ public function defines($id, $domain = 'messages') { return isset($this->messages[$domain][$id]); } /** * {@inheritdoc} * * @api */ public function get($id, $domain = 'messages') { if (isset($this->messages[$domain][$id])) { return $this->messages[$domain][$id]; } if (null !== $this->fallbackCatalogue) { return $this->fallbackCatalogue->get($id, $domain); } return $id; } /** * {@inheritdoc} * * @api */ public function replace($messages, $domain = 'messages') { $this->messages[$domain] = array(); $this->add($messages, $domain); } /** * {@inheritdoc} * * @api */ public function add($messages, $domain = 'messages') { if (!isset($this->messages[$domain])) { $this->messages[$domain] = $messages; } else { $this->messages[$domain] = array_replace($this->messages[$domain], $messages); } } /** * {@inheritdoc} * * @api */ public function addCatalogue(MessageCatalogueInterface $catalogue) { if ($catalogue->getLocale() !== $this->locale) { throw new \LogicException(sprintf('Cannot add a catalogue for locale "%s" as the current locale for this catalogue is "%s"', $catalogue->getLocale(), $this->locale)); } foreach ($catalogue->all() as $domain => $messages) { $this->add($messages, $domain); } foreach ($catalogue->getResources() as $resource) { $this->addResource($resource); } if ($catalogue instanceof MetadataAwareInterface) { $metadata = $catalogue->getMetadata('', ''); $this->addMetadata($metadata); } } /** * {@inheritdoc} * * @api */ public function addFallbackCatalogue(MessageCatalogueInterface $catalogue) { // detect circular references $c = $this; do { if ($c->getLocale() === $catalogue->getLocale()) { throw new \LogicException(sprintf('Circular reference detected when adding a fallback catalogue for locale "%s".', $catalogue->getLocale())); } } while ($c = $c->parent); $catalogue->parent = $this; $this->fallbackCatalogue = $catalogue; foreach ($catalogue->getResources() as $resource) { $this->addResource($resource); } } /** * {@inheritdoc} * * @api */ public function getFallbackCatalogue() { return $this->fallbackCatalogue; } /** * {@inheritdoc} * * @api */ public function getResources() { return array_values($this->resources); } /** * {@inheritdoc} * * @api */ public function addResource(ResourceInterface $resource) { $this->resources[$resource->__toString()] = $resource; } /** * {@inheritdoc} */ public function getMetadata($key = '', $domain = 'messages') { if ('' == $domain) { return $this->metadata; } if (isset($this->metadata[$domain])) { if ('' == $key) { return $this->metadata[$domain]; } if (isset($this->metadata[$domain][$key])) { return $this->metadata[$domain][$key]; } } return null; } /** * {@inheritdoc} */ public function setMetadata($key, $value, $domain = 'messages') { $this->metadata[$domain][$key] = $value; } /** * {@inheritdoc} */ public function deleteMetadata($key = '', $domain = 'messages') { if ('' == $domain) { $this->metadata = array(); } elseif ('' == $key) { unset($this->metadata[$domain]); } else { unset($this->metadata[$domain][$key]); } } /** * Adds current values with the new values. * * @param array $values Values to add */ private function addMetadata(array $values) { foreach ($values as $domain => $keys) { foreach ($keys as $key => $value) { $this->setMetadata($key, $value, $domain); } } } }