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| 1 | <?php |
| 2 | |
| 3 | namespace JsonConfig; |
| 4 | |
| 5 | use MediaWiki\MediaWikiServices; |
| 6 | use Scribunto_LuaError; |
| 7 | use Scribunto_LuaLibraryBase; |
| 8 | |
| 9 | class JCLuaLibrary extends Scribunto_LuaLibraryBase { |
| 10 | |
| 11 | public function register() { |
| 12 | $functions = [ 'get' => [ $this, 'get' ] ]; |
| 13 | $moduleFileName = __DIR__ . DIRECTORY_SEPARATOR . 'JCLuaLibrary.lua'; |
| 14 | return $this->getEngine()->registerInterface( $moduleFileName, $functions, [] ); |
| 15 | } |
| 16 | |
| 17 | /** |
| 18 | * Returns data page as a data table |
| 19 | * @param string $titleStr name of the page in the Data namespace |
| 20 | * @param string $langCode language code. If '_' is given, returns all codes |
| 21 | * @return false[]|mixed[] |
| 22 | * @throws Scribunto_LuaError |
| 23 | */ |
| 24 | public function get( $titleStr, $langCode ) { |
| 25 | $this->checkType( 'get', 1, $titleStr, 'string' ); |
| 26 | if ( $langCode === null ) { |
| 27 | $language = $this->getParser()->getTargetLanguage(); |
| 28 | } elseif ( $langCode !== '_' ) { |
| 29 | $this->checkType( 'get', 2, $langCode, 'string' ); |
| 30 | $services = MediaWikiServices::getInstance(); |
| 31 | if ( $services->getLanguageNameUtils()->isValidCode( $langCode ) ) { |
| 32 | $language = $services->getLanguageFactory()->getLanguage( $langCode ); |
| 33 | } else { |
| 34 | throw new Scribunto_LuaError( 'bad argument #2 to "get" (not a valid language code)' ); |
| 35 | } |
| 36 | } else { |
| 37 | $language = null; |
| 38 | } |
| 39 | |
| 40 | $jct = JCSingleton::parseTitle( $titleStr, NS_DATA ); |
| 41 | if ( !$jct ) { |
| 42 | throw new Scribunto_LuaError( 'bad argument #1 to "get" (not a valid title)' ); |
| 43 | } |
| 44 | |
| 45 | $content = JCSingleton::getContentFromLocalCache( $jct ); |
| 46 | if ( $content === null ) { |
| 47 | $this->incrementExpensiveFunctionCount(); |
| 48 | $content = JCSingleton::getContent( $jct ); |
| 49 | |
| 50 | $prop = 'jsonconfig_getdata'; |
| 51 | $output = $this->getParser()->getOutput(); |
| 52 | $prevValue = (int)( $output->getPageProperty( $prop ) ?? 0 ); |
| 53 | $output->setNumericPageProperty( $prop, 1 + $prevValue ); |
| 54 | } |
| 55 | |
| 56 | if ( !$content ) { |
| 57 | $result = false; |
| 58 | } else { |
| 59 | if ( $language === null || !method_exists( $content, 'getLocalizedData' ) ) { |
| 60 | $result = $content->getData(); |
| 61 | } else { |
| 62 | /** @var JCDataContent $content */ |
| 63 | // @phan-suppress-next-line PhanUndeclaredMethod |
| 64 | $result = $content->getLocalizedData( $language ); |
| 65 | } |
| 66 | // Always re-index tabular data |
| 67 | if ( $content instanceof JCTabularContent ) { |
| 68 | self::reindexTabularData( $result ); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | return [ self::objectToArray( $result ) ]; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Replace objects with arrays, recursively |
| 77 | * |
| 78 | * Since LuaSandbox 3.0.0, we can't return objects to Lua anymore. And it |
| 79 | * never worked with Scribunto's LuaStandalone engine. |
| 80 | * |
| 81 | * @param mixed $v |
| 82 | * @return mixed |
| 83 | */ |
| 84 | private static function objectToArray( $v ) { |
| 85 | if ( is_object( $v ) ) { |
| 86 | $v = get_object_vars( $v ); |
| 87 | } |
| 88 | if ( is_array( $v ) ) { |
| 89 | $v = array_map( [ self::class, 'objectToArray' ], $v ); |
| 90 | } |
| 91 | return $v; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Reindex tabular data so it can be processed by Lua more easily |
| 96 | * @param \stdClass $data |
| 97 | */ |
| 98 | public static function reindexTabularData( $data ) { |
| 99 | $columnCount = count( $data->schema->fields ); |
| 100 | $rowCount = count( $data->data ); |
| 101 | if ( $columnCount > 0 ) { |
| 102 | $rowIndexes = range( 1, $columnCount ); |
| 103 | $data->schema->fields = array_combine( $rowIndexes, $data->schema->fields ); |
| 104 | if ( $rowCount > 0 ) { |
| 105 | $data->data = |
| 106 | array_combine( range( 1, $rowCount ), |
| 107 | array_map( static function ( $row ) use ( $rowIndexes ) { |
| 108 | return array_combine( $rowIndexes, $row ); |
| 109 | }, $data->data ) ); |
| 110 | } |
| 111 | } elseif ( $rowCount > 0 ) { |
| 112 | // Weird, but legal |
| 113 | $data->data = array_combine( range( 1, $rowCount ), $data->data ); |
| 114 | } |
| 115 | } |
| 116 | } |