annotate core/modules/locale/src/PluralFormula.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Drupal\locale;
Chris@0 4
Chris@0 5 use Drupal\Core\Language\LanguageManagerInterface;
Chris@0 6 use Drupal\Core\State\StateInterface;
Chris@0 7
Chris@0 8 /**
Chris@0 9 * Manages the storage of plural formula per language in state.
Chris@0 10 *
Chris@0 11 * @see \Drupal\locale\PoDatabaseWriter::setHeader()
Chris@0 12 */
Chris@0 13 class PluralFormula implements PluralFormulaInterface {
Chris@0 14
Chris@0 15 /**
Chris@0 16 * @var \Drupal\Core\Language\LanguageManagerInterface
Chris@0 17 */
Chris@0 18 protected $languageManager;
Chris@0 19
Chris@0 20 /**
Chris@0 21 * @var \Drupal\Core\State\StateInterface
Chris@0 22 */
Chris@0 23 protected $state;
Chris@0 24
Chris@0 25 /**
Chris@0 26 * The plural formula and count keyed by langcode.
Chris@0 27 *
Chris@0 28 * For example the structure looks like this:
Chris@0 29 * @code
Chris@0 30 * [
Chris@0 31 * 'de' => [
Chris@0 32 * 'plurals' => 2,
Chris@0 33 * 'formula' => [
Chris@0 34 * // @todo
Chris@0 35 * ]
Chris@0 36 * ],
Chris@0 37 * ]
Chris@0 38 * @endcode
Chris@17 39 * @var array
Chris@0 40 */
Chris@0 41 protected $formulae;
Chris@0 42
Chris@0 43 /**
Chris@0 44 * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
Chris@0 45 * @param \Drupal\Core\State\StateInterface $state
Chris@0 46 */
Chris@0 47 public function __construct(LanguageManagerInterface $language_manager, StateInterface $state) {
Chris@0 48 $this->languageManager = $language_manager;
Chris@0 49 $this->state = $state;
Chris@0 50 }
Chris@0 51
Chris@0 52 /**
Chris@0 53 * {@inheritdoc}
Chris@0 54 */
Chris@0 55 public function setPluralFormula($langcode, $plural_count, array $formula) {
Chris@0 56 // Ensure that the formulae are loaded.
Chris@0 57 $this->loadFormulae();
Chris@0 58
Chris@0 59 $this->formulae[$langcode] = [
Chris@0 60 'plurals' => $plural_count,
Chris@0 61 'formula' => $formula,
Chris@0 62 ];
Chris@0 63 $this->state->set('locale.translation.formulae', $this->formulae);
Chris@0 64 return $this;
Chris@0 65 }
Chris@0 66
Chris@0 67 /**
Chris@0 68 * {@inheritdoc}
Chris@0 69 */
Chris@0 70 public function getNumberOfPlurals($langcode = NULL) {
Chris@0 71 // Ensure that the formulae are loaded.
Chris@0 72 $this->loadFormulae();
Chris@0 73
Chris@0 74 // Set the langcode to use.
Chris@0 75 $langcode = $langcode ?: $this->languageManager->getCurrentLanguage()->getId();
Chris@0 76
Chris@0 77 // We assume 2 plurals if there is no explicit information yet.
Chris@0 78 if (!isset($this->formulae[$langcode]['plurals'])) {
Chris@0 79 return 2;
Chris@0 80 }
Chris@0 81 return $this->formulae[$langcode]['plurals'];
Chris@0 82 }
Chris@0 83
Chris@0 84 /**
Chris@0 85 * {@inheritdoc}
Chris@0 86 */
Chris@0 87 public function getFormula($langcode) {
Chris@0 88 $this->loadFormulae();
Chris@0 89 return isset($this->formulae[$langcode]['formula']) ? $this->formulae[$langcode]['formula'] : FALSE;
Chris@0 90 }
Chris@0 91
Chris@0 92 /**
Chris@0 93 * Loads the formulae and stores them on the PluralFormula object if not set.
Chris@0 94 *
Chris@0 95 * @return array
Chris@0 96 */
Chris@0 97 protected function loadFormulae() {
Chris@0 98 if (!isset($this->formulae)) {
Chris@0 99 $this->formulae = $this->state->get('locale.translation.formulae', []);
Chris@0 100 }
Chris@0 101 }
Chris@0 102
Chris@0 103 /**
Chris@0 104 * {@inheritdoc}
Chris@0 105 */
Chris@0 106 public function reset() {
Chris@0 107 $this->formulae = NULL;
Chris@0 108 return $this;
Chris@0 109 }
Chris@0 110
Chris@0 111 }