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| <?php | |
| declare( strict_types = 1 ); | |
| namespace Wikimedia\Parsoid\Html2Wt\DOMHandlers; | |
| use Wikimedia\Parsoid\Core\MediaStructure; | |
| use Wikimedia\Parsoid\DOM\Element; | |
| use Wikimedia\Parsoid\DOM\Node; | |
| use Wikimedia\Parsoid\DOM\Text; | |
| use Wikimedia\Parsoid\Html2Wt\LinkHandlerUtils; | |
| use Wikimedia\Parsoid\Html2Wt\SerializerState; | |
| use Wikimedia\Parsoid\Html2Wt\WTSUtils; | |
| use Wikimedia\Parsoid\Tokens\KV; | |
| use Wikimedia\Parsoid\Utils\DOMCompat; | |
| use Wikimedia\Parsoid\Utils\DOMDataUtils; | |
| use Wikimedia\Parsoid\Utils\DOMUtils; | |
| use Wikimedia\Parsoid\Utils\Utils; | |
| use Wikimedia\Parsoid\Utils\WTUtils; | |
| class SpanHandler extends DOMHandler { | |
| public function __construct() { | |
| parent::__construct( false ); | |
| } | |
| /** @inheritDoc */ | |
| public function handle( | |
| Element $node, SerializerState $state, bool $wrapperUnmodified = false | |
| ): ?Node { | |
| $env = $state->getEnv(); | |
| $dp = DOMDataUtils::getDataParsoid( $node ); | |
| if ( self::isRecognizedSpanWrapper( $node ) ) { | |
| if ( DOMUtils::hasTypeOf( $node, 'mw:Nowiki' ) ) { | |
| $ext = $env->getSiteConfig()->getExtTagImpl( 'nowiki' ); | |
| $src = $ext->domToWikitext( $state->extApi, $node, $wrapperUnmodified ); | |
| $state->singleLineContext->disable(); | |
| $state->serializer->emitWikitext( $src, $node ); | |
| $state->singleLineContext->pop(); | |
| } elseif ( WTUtils::isInlineMedia( $node ) ) { | |
| LinkHandlerUtils::figureHandler( | |
| $state, $node, MediaStructure::parse( $node ) | |
| ); | |
| } elseif ( | |
| DOMUtils::hasTypeOf( $node, 'mw:Entity' ) && | |
| DOMUtils::hasNChildren( $node, 1 ) | |
| ) { | |
| $contentSrc = ( $node->textContent != '' ) ? $node->textContent | |
| : DOMCompat::getInnerHTML( $node ); | |
| // handle a new mw:Entity (not handled by selser) by | |
| // serializing its children | |
| if ( isset( $dp->src ) && $contentSrc === ( $dp->srcContent ?? null ) ) { | |
| $state->serializer->emitWikitext( $dp->src, $node ); | |
| } elseif ( $node->firstChild instanceof Text ) { | |
| $state->emitChunk( | |
| Utils::entityEncodeAll( $node->firstChild->nodeValue ), | |
| $node->firstChild ); | |
| } else { | |
| $state->serializeChildren( $node ); | |
| } | |
| } elseif ( DOMUtils::hasTypeOf( $node, 'mw:DisplaySpace' ) ) { | |
| // FIXME(T254501): Turn this into an `PHPUtils::unreachable()` | |
| $state->emitChunk( ' ', $node ); | |
| } elseif ( DOMUtils::matchTypeOf( $node, '#^mw:Placeholder(/|$)#' ) ) { | |
| if ( isset( $dp->src ) ) { | |
| $this->emitPlaceholderSrc( $node, $state ); | |
| return $node->nextSibling; | |
| } else { | |
| ( new FallbackHTMLHandler )->handle( $node, $state ); | |
| } | |
| } | |
| } elseif ( $node->hasAttribute( 'data-mw-selser-wrapper' ) ) { | |
| $state->serializeChildren( $node ); | |
| } else { | |
| $kvs = array_filter( WTSUtils::getAttributeKVArray( $node ), static function ( KV $kv ) { | |
| return !preg_match( '/^data-parsoid/', $kv->k ) | |
| && ( $kv->k !== DOMDataUtils::DATA_OBJECT_ATTR_NAME ) | |
| && !( $kv->k === 'id' && preg_match( '/^mw[\w-]{2,}$/D', $kv->v ) ); | |
| } ); | |
| if ( !empty( $dp->misnested ) && ( $dp->stx ?? null ) !== 'html' | |
| && !count( $kvs ) | |
| ) { | |
| // Discard span wrappers added to flag misnested content. | |
| // Warn since selser should have reused source. | |
| $env->log( 'warn', 'Serializing misnested content: ' . DOMCompat::getOuterHTML( $node ) ); | |
| $state->serializeChildren( $node ); | |
| } else { | |
| // Fall back to plain HTML serialization for spans created | |
| // by the editor. | |
| ( new FallbackHTMLHandler )->handle( $node, $state ); | |
| } | |
| } | |
| return $node->nextSibling; | |
| } | |
| /** | |
| * @param Element $node | |
| * @return string|null | |
| */ | |
| private static function isRecognizedSpanWrapper( Element $node ): ?string { | |
| return DOMUtils::matchTypeOf( | |
| $node, | |
| // FIXME(T254501): Remove mw:DisplaySpace | |
| '#^mw:(' | |
| . 'Nowiki|Entity|DisplaySpace|Placeholder(/\w+)?' | |
| . '|(Image|Video|Audio)(/(Frameless|Frame|Thumb))?' | |
| . ')$#' | |
| ); | |
| } | |
| } |