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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\MediaWikiServices; |
| 4 | |
| 5 | /** |
| 6 | * @author Yaron Koren |
| 7 | * @ingroup Cargo |
| 8 | */ |
| 9 | |
| 10 | class CargoDisplayFormat { |
| 11 | |
| 12 | /** @var OutputPage|ParserOutput */ |
| 13 | protected $mOutput; |
| 14 | /** @var Parser|null */ |
| 15 | protected $mParser; |
| 16 | |
| 17 | /** |
| 18 | * @param OutputPage|ParserOutput $output |
| 19 | * @param Parser|null $parser |
| 20 | */ |
| 21 | public function __construct( $output, $parser = null ) { |
| 22 | $this->mOutput = $output; |
| 23 | $this->mParser = $parser; |
| 24 | } |
| 25 | |
| 26 | public static function allowedParameters() { |
| 27 | return []; |
| 28 | } |
| 29 | |
| 30 | public static function isDeferred() { |
| 31 | return false; |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Apply a Cargo format to a 2D row-based array of values of any origin. |
| 36 | * |
| 37 | * @author Alexander Mashin |
| 38 | * @param Parser $parser |
| 39 | * @param array $values A 2D row-based array of values. |
| 40 | * @param array $mappings A mapping from ED to Cargo variables. |
| 41 | * @param array $params An array of params for {{#cargo_query:}}. |
| 42 | * |
| 43 | * @return array [ string, 'noparse' => bool, 'isHTML' => bool ]. |
| 44 | */ |
| 45 | public static function formatArray( Parser $parser, array $values, array $mappings, array $params ): array { |
| 46 | $format = $params['format'] ?? 'list'; |
| 47 | $classes = CargoQueryDisplayer::getAllFormatClasses(); |
| 48 | /** @var CargoDisplayFormat $class */ |
| 49 | $class = $classes[ $format ] ?? CargoListFormat::class; |
| 50 | $formatter = new $class( $parser->getOutput(), $parser ); |
| 51 | |
| 52 | // This cannot yet be called for "deferred" formats, where the |
| 53 | // processing is done via JavaScript and not PHP - in theory, |
| 54 | // it could be done, but it would require being able to pass |
| 55 | // in a data set to the JavaScript, instead of query |
| 56 | // information. |
| 57 | if ( $formatter->isDeferred() ) { |
| 58 | throw new MWException( "formatArray() cannot be called for the $format format because it is a \"deferred format\"." ); |
| 59 | } |
| 60 | |
| 61 | $query_displayer = new CargoQueryDisplayer( $parser->getTargetLanguage() ); |
| 62 | $field_descriptions = []; |
| 63 | foreach ( $mappings as $local => $external ) { |
| 64 | $description = new CargoFieldDescription(); |
| 65 | $description->mType = 'String'; |
| 66 | $field_descriptions[$local] = $description; |
| 67 | } |
| 68 | $query_displayer->mFieldDescriptions = $field_descriptions; |
| 69 | $query_displayer->mFieldTables = []; |
| 70 | $query_displayer->mParser = $parser; |
| 71 | |
| 72 | $html = $formatter->display( |
| 73 | $values, |
| 74 | $query_displayer->getFormattedQueryResults( $values ), |
| 75 | $query_displayer->mFieldDescriptions, |
| 76 | $params |
| 77 | ); |
| 78 | $no_html = $params['no html'] ?? false; |
| 79 | return !$no_html && $format !== 'template' |
| 80 | ? [ $html, 'noparse' => true, 'isHTML' => true ] |
| 81 | : [ $html, 'noparse' => false ]; |
| 82 | } |
| 83 | |
| 84 | public function getParser() { |
| 85 | if ( $this->mParser ) { |
| 86 | return $this->mParser; |
| 87 | } |
| 88 | |
| 89 | $parser = MediaWikiServices::getInstance()->getParser(); |
| 90 | $parser->resetOutput(); |
| 91 | $parser->setPage( $this->mOutput->getTitle() ); |
| 92 | return $parser; |
| 93 | } |
| 94 | } |