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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\locale\PluralFormula. | |
| */ | |
| namespace Drupal\locale; | |
| use Drupal\Core\Language\LanguageManagerInterface; | |
| use Drupal\Core\State\StateInterface; | |
| /** | |
| * Manages the storage of plural formula per language in state. | |
| * | |
| * @see \Drupal\locale\PoDatabaseWriter::setHeader() | |
| */ | |
| class PluralFormula implements PluralFormulaInterface { | |
| /** | |
| * @var \Drupal\Core\Language\LanguageManagerInterface | |
| */ | |
| protected $languageManager; | |
| /** | |
| * @var \Drupal\Core\State\StateInterface | |
| */ | |
| protected $state; | |
| /** | |
| * The plural formula and count keyed by langcode. | |
| * | |
| * For example the structure looks like this: | |
| * @code | |
| * [ | |
| * 'de' => [ | |
| * 'plurals' => 2, | |
| * 'formula' => [ | |
| * // @todo | |
| * ] | |
| * ], | |
| * ] | |
| * @endcode | |
| * @var [] | |
| */ | |
| protected $formulae; | |
| /** | |
| * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager | |
| * @param \Drupal\Core\State\StateInterface $state | |
| */ | |
| public function __construct(LanguageManagerInterface $language_manager, StateInterface $state) { | |
| $this->languageManager = $language_manager; | |
| $this->state = $state; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function setPluralFormula($langcode, $plural_count, array $formula) { | |
| // Ensure that the formulae are loaded. | |
| $this->loadFormulae(); | |
| $this->formulae[$langcode] = [ | |
| 'plurals' => $plural_count, | |
| 'formula' => $formula, | |
| ]; | |
| $this->state->set('locale.translation.formulae', $this->formulae); | |
| return $this; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getNumberOfPlurals($langcode = NULL) { | |
| // Ensure that the formulae are loaded. | |
| $this->loadFormulae(); | |
| // Set the langcode to use. | |
| $langcode = $langcode ?: $this->languageManager->getCurrentLanguage()->getId(); | |
| // We assume 2 plurals if there is no explicit information yet. | |
| if (!isset($this->formulae[$langcode]['plurals'])) { | |
| return 2; | |
| } | |
| return $this->formulae[$langcode]['plurals']; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormula($langcode) { | |
| $this->loadFormulae(); | |
| return isset($this->formulae[$langcode]['formula']) ? $this->formulae[$langcode]['formula'] : FALSE; | |
| } | |
| /** | |
| * Loads the formulae and stores them on the PluralFormula object if not set. | |
| * | |
| * @return [] | |
| */ | |
| protected function loadFormulae() { | |
| if (!isset($this->formulae)) { | |
| $this->formulae = $this->state->get('locale.translation.formulae', []); | |
| } | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function reset() { | |
| $this->formulae = NULL; | |
| return $this; | |
| } | |
| } |