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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\CLDR; |
| 4 | |
| 5 | use MediaWiki\MediaWikiServices; |
| 6 | |
| 7 | /** |
| 8 | * A class for querying translated time units from CLDR data. |
| 9 | * |
| 10 | * @author Niklas Laxström |
| 11 | * @author Ryan Kaldari |
| 12 | * @copyright Copyright © 2007-2013 |
| 13 | * @license GPL-2.0-or-later |
| 14 | */ |
| 15 | class TimeUnits { |
| 16 | |
| 17 | /** @var array */ |
| 18 | private static $cache = []; |
| 19 | |
| 20 | /** |
| 21 | * Get localized time units for a particular language, using fallback languages for missing |
| 22 | * items. The time units are returned as an associative array. The keys are of the form: |
| 23 | * <unit>-<tense>-<ordinality> (for example, 'hour-future-two'). The values include a placeholder |
| 24 | * for the number (for example, '{0} months ago'). |
| 25 | * |
| 26 | * @param string $code The language to return the list in |
| 27 | * @return array an associative array of time unit codes and localized time units |
| 28 | */ |
| 29 | public static function getUnits( $code ) { |
| 30 | // Load time units localized for the requested language |
| 31 | $units = self::loadLanguage( $code ); |
| 32 | |
| 33 | if ( $units ) { |
| 34 | return $units; |
| 35 | } |
| 36 | // Load missing time units from fallback languages |
| 37 | $fallbacks = MediaWikiServices::getInstance()->getLanguageFallback()->getAll( $code ); |
| 38 | foreach ( $fallbacks as $fallback ) { |
| 39 | if ( $units ) { |
| 40 | break; |
| 41 | } |
| 42 | // Get time units from a fallback language |
| 43 | $units = self::loadLanguage( $fallback ); |
| 44 | } |
| 45 | |
| 46 | return $units; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Load time units localized for a particular language. Helper function for getUnits. |
| 51 | * |
| 52 | * @param string $code The language to return the list in |
| 53 | * @return array an associative array of time unit codes and localized time units |
| 54 | */ |
| 55 | private static function loadLanguage( $code ) { |
| 56 | if ( !isset( self::$cache[$code] ) ) { |
| 57 | self::$cache[$code] = []; |
| 58 | |
| 59 | $langNameUtils = MediaWikiServices::getInstance()->getLanguageNameUtils(); |
| 60 | |
| 61 | if ( !$langNameUtils->isValidBuiltInCode( $code ) ) { |
| 62 | return []; |
| 63 | } |
| 64 | |
| 65 | /* Load override for wrong or missing entries in cldr */ |
| 66 | $override = __DIR__ . '/../LocalNames/' . |
| 67 | $langNameUtils->getFileName( 'LocalNames', $code, '.php' ); |
| 68 | if ( file_exists( $override ) ) { |
| 69 | $timeUnits = false; |
| 70 | |
| 71 | require $override; |
| 72 | |
| 73 | // @phan-suppress-next-line PhanImpossibleCondition |
| 74 | if ( is_array( $timeUnits ) ) { |
| 75 | self::$cache[$code] = $timeUnits; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | $filename = __DIR__ . '/../CldrNames/' . |
| 80 | $langNameUtils->getFileName( 'CldrNames', $code, '.php' ); |
| 81 | if ( file_exists( $filename ) ) { |
| 82 | $timeUnits = false; |
| 83 | require $filename; |
| 84 | // @phan-suppress-next-line PhanImpossibleCondition |
| 85 | if ( is_array( $timeUnits ) ) { |
| 86 | self::$cache[$code] += $timeUnits; |
| 87 | } |
| 88 | } else { |
| 89 | wfDebug( __METHOD__ . ": Unable to load time units for $filename\n" ); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | return self::$cache[$code]; |
| 94 | } |
| 95 | } |