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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\StringTranslation\TranslationManager. | |
| */ | |
| namespace Drupal\Core\StringTranslation; | |
| use Drupal\Core\Language\LanguageDefault; | |
| use Drupal\Core\StringTranslation\Translator\TranslatorInterface; | |
| /** | |
| * Defines a chained translation implementation combining multiple translators. | |
| */ | |
| class TranslationManager implements TranslationInterface, TranslatorInterface { | |
| /** | |
| * An unsorted array of arrays of active translators. | |
| * | |
| * An associative array. The keys are integers that indicate priority. Values | |
| * are arrays of TranslatorInterface objects. | |
| * | |
| * @var \Drupal\Core\StringTranslation\Translator\TranslatorInterface[][] | |
| * | |
| * @see \Drupal\Core\StringTranslation\TranslationManager::addTranslator() | |
| * @see \Drupal\Core\StringTranslation\TranslationManager::sortTranslators() | |
| */ | |
| protected $translators = array(); | |
| /** | |
| * An array of translators, sorted by priority. | |
| * | |
| * If this is NULL a rebuild will be triggered. | |
| * | |
| * @var null|\Drupal\Core\StringTranslation\Translator\TranslatorInterface[] | |
| * | |
| * @see \Drupal\Core\StringTranslation\TranslationManager::addTranslator() | |
| * @see \Drupal\Core\StringTranslation\TranslationManager::sortTranslators() | |
| */ | |
| protected $sortedTranslators = NULL; | |
| /** | |
| * The default langcode used in translations. | |
| * | |
| * @var string | |
| * A language code. | |
| */ | |
| protected $defaultLangcode; | |
| /** | |
| * Constructs a TranslationManager object. | |
| * | |
| * @param \Drupal\Core\Language\LanguageDefault $default_language | |
| * The default language. | |
| */ | |
| public function __construct(LanguageDefault $default_language) { | |
| $this->defaultLangcode = $default_language->get()->getId(); | |
| } | |
| /** | |
| * Appends a translation system to the translation chain. | |
| * | |
| * @param \Drupal\Core\StringTranslation\Translator\TranslatorInterface $translator | |
| * The translation interface to be appended to the translation chain. | |
| * @param int $priority | |
| * The priority of the logger being added. | |
| * | |
| * @return $this | |
| */ | |
| public function addTranslator(TranslatorInterface $translator, $priority = 0) { | |
| $this->translators[$priority][] = $translator; | |
| // Reset sorted translators property to trigger rebuild. | |
| $this->sortedTranslators = NULL; | |
| return $this; | |
| } | |
| /** | |
| * Sorts translators according to priority. | |
| * | |
| * @return \Drupal\Core\StringTranslation\Translator\TranslatorInterface[] | |
| * A sorted array of translator objects. | |
| */ | |
| protected function sortTranslators() { | |
| $sorted = array(); | |
| krsort($this->translators); | |
| foreach ($this->translators as $translators) { | |
| $sorted = array_merge($sorted, $translators); | |
| } | |
| return $sorted; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getStringTranslation($langcode, $string, $context) { | |
| if ($this->sortedTranslators === NULL) { | |
| $this->sortedTranslators = $this->sortTranslators(); | |
| } | |
| foreach ($this->sortedTranslators as $translator) { | |
| $translation = $translator->getStringTranslation($langcode, $string, $context); | |
| if ($translation !== FALSE) { | |
| return $translation; | |
| } | |
| } | |
| // No translator got a translation. | |
| return FALSE; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function translate($string, array $args = array(), array $options = array()) { | |
| return new TranslatableMarkup($string, $args, $options, $this); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function translateString(TranslatableMarkup $translated_string) { | |
| return $this->doTranslate($translated_string->getUntranslatedString(), $translated_string->getOptions()); | |
| } | |
| /** | |
| * Translates a string to the current language or to a given language. | |
| * | |
| * @param string $string | |
| * A string containing the English text to translate. | |
| * @param array $options | |
| * An associative array of additional options, with the following elements: | |
| * - 'langcode': The language code to translate to a language other than | |
| * what is used to display the page. | |
| * - 'context': The context the source string belongs to. | |
| * | |
| * @return string | |
| * The translated string. | |
| */ | |
| protected function doTranslate($string, array $options = array()) { | |
| // If a NULL langcode has been provided, unset it. | |
| if (!isset($options['langcode']) && array_key_exists('langcode', $options)) { | |
| unset($options['langcode']); | |
| } | |
| // Merge in options defaults. | |
| $options = $options + [ | |
| 'langcode' => $this->defaultLangcode, | |
| 'context' => '', | |
| ]; | |
| $translation = $this->getStringTranslation($options['langcode'], $string, $options['context']); | |
| return $translation === FALSE ? $string : $translation; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function formatPlural($count, $singular, $plural, array $args = array(), array $options = array()) { | |
| return new PluralTranslatableMarkup($count, $singular, $plural, $args, $options, $this); | |
| } | |
| /** | |
| * Sets the default langcode. | |
| * | |
| * @param string $langcode | |
| * A language code. | |
| */ | |
| public function setDefaultLangcode($langcode) { | |
| $this->defaultLangcode = $langcode; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function reset() { | |
| if ($this->sortedTranslators === NULL) { | |
| $this->sortedTranslators = $this->sortTranslators(); | |
| } | |
| foreach ($this->sortedTranslators as $translator) { | |
| $translator->reset(); | |
| } | |
| } | |
| } |