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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\CLDR; |
| 4 | |
| 5 | use InvalidArgumentException; |
| 6 | use MediaWiki\Languages\LanguageNameUtils; |
| 7 | use MediaWiki\MainConfigNames; |
| 8 | use MediaWiki\MediaWikiServices; |
| 9 | |
| 10 | /** |
| 11 | * A class for querying translated language names from CLDR data. |
| 12 | * |
| 13 | * @author Niklas Laxström |
| 14 | * @author Ryan Kaldari |
| 15 | * @copyright Copyright © 2007-2011 |
| 16 | * @license GPL-2.0-or-later |
| 17 | */ |
| 18 | class LanguageNames { |
| 19 | |
| 20 | /** @var array */ |
| 21 | private static $cache = []; |
| 22 | |
| 23 | /** |
| 24 | * Missing entries fall back to the language's name for itself |
| 25 | */ |
| 26 | public const FALLBACK_NATIVE = 0; |
| 27 | /** |
| 28 | * Missing entries are sought in the MediaWiki fallback chain |
| 29 | */ |
| 30 | public const FALLBACK_NORMAL = 1; |
| 31 | /** |
| 32 | * Only include languages supported by core MediaWiki localisation. |
| 33 | * Corresponds to LanguageNameUtils::SUPPORTED. |
| 34 | */ |
| 35 | public const LIST_MW_SUPPORTED = 0; |
| 36 | /** |
| 37 | * Only include languages in LIST_MW_SUPPORTED, plus anything defined in wgExtraLanguageNames. |
| 38 | * Corresponds to LanguageNameUtils::DEFINED. |
| 39 | */ |
| 40 | public const LIST_MW = 1; |
| 41 | /** |
| 42 | * All languages in the CLDR data, including languages unknown to MediaWiki. |
| 43 | */ |
| 44 | public const LIST_MW_AND_CLDR = 2; |
| 45 | |
| 46 | /** |
| 47 | * Get localized language names for a particular language, using fallback languages for missing |
| 48 | * items. |
| 49 | * |
| 50 | * @param string $code |
| 51 | * @param int $fbMethod |
| 52 | * @param int $list |
| 53 | * @return array an associative array of language codes and localized language names |
| 54 | */ |
| 55 | public static function getNames( $code, $fbMethod = self::FALLBACK_NATIVE, |
| 56 | $list = self::LIST_MW |
| 57 | ) { |
| 58 | $xx = self::loadLanguage( $code ); |
| 59 | |
| 60 | $services = MediaWikiServices::getInstance(); |
| 61 | $config = $services->getMainConfig(); |
| 62 | if ( !$config->get( MainConfigNames::UsePigLatinVariant ) ) { |
| 63 | // Suppress Pig Latin unless explicitly enabled. |
| 64 | unset( $xx['en-x-piglatin'] ); |
| 65 | } |
| 66 | |
| 67 | $native = $services->getLanguageNameUtils() |
| 68 | ->getLanguageNames( |
| 69 | LanguageNameUtils::AUTONYMS, |
| 70 | $list === self::LIST_MW_SUPPORTED ? LanguageNameUtils::SUPPORTED : LanguageNameUtils::DEFINED |
| 71 | ); |
| 72 | |
| 73 | if ( $fbMethod === self::FALLBACK_NATIVE ) { |
| 74 | $names = array_merge( $native, $xx ); |
| 75 | } elseif ( $fbMethod === self::FALLBACK_NORMAL ) { |
| 76 | // Load missing language names from fallback languages |
| 77 | $fb = $xx; |
| 78 | |
| 79 | $fallbacks = $services->getLanguageFallback()->getAll( $code ); |
| 80 | foreach ( $fallbacks as $fallback ) { |
| 81 | // Overwrite the things in fallback with what we have already |
| 82 | $fb = array_merge( self::loadLanguage( $fallback ), $fb ); |
| 83 | } |
| 84 | |
| 85 | /* Add native names for codes that are not in cldr */ |
| 86 | $names = array_merge( $native, $fb ); |
| 87 | |
| 88 | /* As a last resort, try the native name in Names.php */ |
| 89 | if ( isset( $native[$code] ) ) { |
| 90 | $names[$code] ??= $native[$code]; |
| 91 | } |
| 92 | } else { |
| 93 | throw new InvalidArgumentException( "Invalid value for 2:\$fallback in " . __METHOD__ ); |
| 94 | } |
| 95 | |
| 96 | switch ( $list ) { |
| 97 | case self::LIST_MW: |
| 98 | /** @noinspection PhpMissingBreakStatementInspection */ |
| 99 | case self::LIST_MW_SUPPORTED: |
| 100 | /* Remove entries that are not in fb */ |
| 101 | $names = array_intersect_key( $names, $native ); |
| 102 | /* And fall to the return */ |
| 103 | case self::LIST_MW_AND_CLDR: |
| 104 | return $names; |
| 105 | default: |
| 106 | throw new InvalidArgumentException( "Invalid value for 3:\$list in " . __METHOD__ ); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Load currency names localized for a particular language. Helper function for getNames. |
| 112 | * |
| 113 | * @param string $code The language to return the list in |
| 114 | * @return array an associative array of language codes and localized language names |
| 115 | */ |
| 116 | private static function loadLanguage( $code ) { |
| 117 | if ( isset( self::$cache[$code] ) ) { |
| 118 | return self::$cache[$code]; |
| 119 | } |
| 120 | |
| 121 | self::$cache[$code] = []; |
| 122 | |
| 123 | $langNameUtils = MediaWikiServices::getInstance()->getLanguageNameUtils(); |
| 124 | |
| 125 | if ( !$langNameUtils->isValidBuiltInCode( $code ) ) { |
| 126 | return []; |
| 127 | } |
| 128 | |
| 129 | /* Load override for wrong or missing entries in cldr */ |
| 130 | $override = __DIR__ . '/../LocalNames/' . |
| 131 | $langNameUtils->getFileName( 'LocalNames', $code ); |
| 132 | if ( file_exists( $override ) ) { |
| 133 | $languageNames = false; |
| 134 | require $override; |
| 135 | // @phan-suppress-next-line PhanImpossibleCondition |
| 136 | if ( is_array( $languageNames ) ) { |
| 137 | self::$cache[$code] = $languageNames; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | $filename = __DIR__ . '/../CldrMain/' . |
| 142 | $langNameUtils->getFileName( 'CldrMain', $code ); |
| 143 | if ( file_exists( $filename ) ) { |
| 144 | $languageNames = false; |
| 145 | require $filename; |
| 146 | // @phan-suppress-next-line PhanImpossibleCondition |
| 147 | if ( is_array( $languageNames ) ) { |
| 148 | self::$cache[$code] += $languageNames; |
| 149 | } |
| 150 | } else { |
| 151 | wfDebug( __METHOD__ . ": Unable to load language names for $filename\n" ); |
| 152 | } |
| 153 | |
| 154 | return self::$cache[$code]; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | class_alias( LanguageNames::class, 'LanguageNames' ); |