'', 'tags' => [ [ 'name' => 'nowiki', 'handler' => self::class, ] ] ]; } /** @inheritDoc */ public function sourceToDom( ParsoidExtensionAPI $extApi, string $txt, array $extArgs ): DocumentFragment { $domFragment = $extApi->htmlToDom( '' ); $doc = $domFragment->ownerDocument; $span = $doc->createElement( 'span' ); DOMUtils::addTypeOf( $span, 'mw:Nowiki' ); foreach ( preg_split( '/(&[#0-9a-zA-Z]+;)/', $txt, -1, PREG_SPLIT_DELIM_CAPTURE ) as $i => $t ) { if ( $i % 2 === 1 ) { $cc = Utils::decodeWtEntities( $t ); if ( $cc !== $t ) { // This should match the output of the "htmlentity" rule // in the tokenizer. $entity = $doc->createElement( 'span' ); DOMUtils::addTypeOf( $entity, 'mw:Entity' ); $dp = new DataParsoid; $dp->src = $t; $dp->srcContent = $cc; DOMDataUtils::setDataParsoid( $entity, $dp ); $entity->appendChild( $doc->createTextNode( $cc ) ); $span->appendChild( $entity ); continue; } // else, fall down there } $span->appendChild( $doc->createTextNode( $t ) ); } DOMCompat::normalize( $span ); $domFragment->appendChild( $span ); return $domFragment; } /** @inheritDoc */ public function domToWikitext( ParsoidExtensionAPI $extApi, Element $node, bool $wrapperUnmodified ) { if ( !$node->hasChildNodes() ) { $extApi->setHtml2wtStateFlag( 'hasSelfClosingNowikis' ); // FIXME return ''; } $str = ''; for ( $child = $node->firstChild; $child; $child = $child->nextSibling ) { $out = null; if ( $child instanceof Element ) { if ( DOMUtils::isDiffMarker( $child ) ) { /* ignore */ } elseif ( DOMCompat::nodeName( $child ) === 'span' && DOMUtils::hasTypeOf( $child, 'mw:Entity' ) && DOMUtils::hasNChildren( $child, 1 ) ) { $dp = DOMDataUtils::getDataParsoid( $child ); if ( isset( $dp->src ) && $dp->srcContent === $child->textContent ) { // Unedited content $out = $dp->src; } else { // Edited content $out = Utils::entityEncodeAll( $child->firstChild->nodeValue ); } // DisplaySpace is added in a final post-processing pass so, // even though it isn't emitted in the extension handler, we // need to deal with the possibility of its presence // FIXME(T254501): Should avoid the need for this } elseif ( DOMCompat::nodeName( $child ) === 'span' && DOMUtils::hasTypeOf( $child, 'mw:DisplaySpace' ) && DOMUtils::hasNChildren( $child, 1 ) ) { $out = ' '; } else { /* This is a hacky fallback for what is essentially * undefined behavior. No matter what we emit here, * this won't roundtrip html2html. */ $extApi->log( 'error/html2wt/nowiki', 'Invalid nowiki content' ); $out = $child->textContent; } } elseif ( $child instanceof Text ) { $out = $child->nodeValue; } else { Assert::invariant( $child instanceof Comment, "Expected a comment here" ); /* Comments can't be embedded in a */ $extApi->log( 'error/html2wt/nowiki', 'Discarded invalid embedded comment in a ' ); $out = ''; } // Always escape any nowikis found in $out if ( $out ) { // Inlined helper that previously existed in Parsoid's WT Utils $str .= preg_replace( '#<(/?nowiki\s*/?\s*)>#i', '<$1>', $out ); } } return $str . ''; } }