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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Validation\DrupalTranslator. | |
| */ | |
| namespace Drupal\Core\Validation; | |
| use Drupal\Component\Render\MarkupInterface; | |
| use Drupal\Core\StringTranslation\TranslatableMarkup; | |
| /** | |
| * Translates strings using Drupal's translation system. | |
| * | |
| * This class is used by the Symfony validator to translate violation messages. | |
| */ | |
| class DrupalTranslator implements TranslatorInterface { | |
| /** | |
| * The locale used for translating. | |
| * | |
| * @var string | |
| */ | |
| protected $locale; | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function trans($id, array $parameters = array(), $domain = NULL, $locale = NULL) { | |
| // If a TranslatableMarkup object is passed in as $id, return it since the | |
| // message has already been translated. | |
| return $id instanceof TranslatableMarkup ? $id : t($id, $this->processParameters($parameters), $this->getOptions($domain, $locale)); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function transChoice($id, $number, array $parameters = array(), $domain = NULL, $locale = NULL) { | |
| // Violation messages can separated singular and plural versions by "|". | |
| $ids = explode('|', $id); | |
| if (!isset($ids[1])) { | |
| throw new \InvalidArgumentException(sprintf('The message "%s" cannot be pluralized, because it is missing a plural (e.g. "There is one apple|There are @count apples").', $id)); | |
| } | |
| // Normally, calls to formatPlural() need to use literal strings, like | |
| // formatPlural($count, '1 item', '@count items') | |
| // so that the Drupal project POTX string extractor will correctly | |
| // extract the strings for translation and save them in a format that | |
| // formatPlural() can work with. However, this is a special case, because | |
| // Drupal is supporting a constraint message format from Symfony. So | |
| // although $id looks like a variable here, it is actually coming from a | |
| // static string in a constraint class that the POTX extractor knows about | |
| // and has processed to work with formatPlural(), so this specific call to | |
| // formatPlural() will work correctly. | |
| return \Drupal::translation()->formatPlural($number, $ids[0], $ids[1], $this->processParameters($parameters), $this->getOptions($domain, $locale)); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function setLocale($locale) { | |
| $this->locale = $locale; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getLocale() { | |
| return $this->locale ? $this->locale : \Drupal::languageManager()->getCurrentLanguage()->getId(); | |
| } | |
| /** | |
| * Processes the parameters array for use with t(). | |
| */ | |
| protected function processParameters(array $parameters) { | |
| $return = array(); | |
| foreach ($parameters as $key => $value) { | |
| // We allow the values in the parameters to be safe string objects. This | |
| // can be useful when we want to use parameter values that are | |
| // TranslatableMarkup. | |
| if ($value instanceof MarkupInterface) { | |
| $value = (string) $value; | |
| } | |
| if (is_object($value)) { | |
| // t() does not work with objects being passed as replacement strings. | |
| } | |
| // Check for symfony replacement patterns in the form "{{ name }}". | |
| elseif (strpos($key, '{{ ') === 0 && strrpos($key, ' }}') == strlen($key) - 3) { | |
| // Transform it into a Drupal pattern using the format %name. | |
| $key = '%' . substr($key, 3, strlen($key) - 6); | |
| $return[$key] = $value; | |
| } | |
| else { | |
| $return[$key] = $value; | |
| } | |
| } | |
| return $return; | |
| } | |
| /** | |
| * Returns options suitable for use with t(). | |
| */ | |
| protected function getOptions($domain = NULL, $locale = NULL) { | |
| // We do not support domains, so we ignore this parameter. | |
| // If locale is left NULL, t() will default to the interface language. | |
| $locale = isset($locale) ? $locale : $this->locale; | |
| return array('langcode' => $locale); | |
| } | |
| } |