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| <?php | |
| declare( strict_types = 1 ); | |
| namespace Wikimedia\Parsoid\Html2Wt\DOMHandlers; | |
| use Wikimedia\Parsoid\DOM\Element; | |
| use Wikimedia\Parsoid\DOM\Node; | |
| use Wikimedia\Parsoid\DOM\Text; | |
| use Wikimedia\Parsoid\Html2Wt\SerializerState; | |
| use Wikimedia\Parsoid\Utils\DOMCompat; | |
| use Wikimedia\Parsoid\Utils\DOMDataUtils; | |
| use Wikimedia\Parsoid\Utils\TokenUtils; | |
| /** | |
| * Used as a fallback in other tag handles. | |
| */ | |
| class FallbackHTMLHandler extends DOMHandler { | |
| public function __construct() { | |
| parent::__construct( false ); | |
| } | |
| /** @inheritDoc */ | |
| public function handle( | |
| Element $node, SerializerState $state, bool $wrapperUnmodified = false | |
| ): ?Node { | |
| $serializer = $state->serializer; | |
| // Wikitext supports the following list syntax: | |
| // | |
| // * <li class="a"> hello world | |
| // | |
| // The "LI Hack" gives support for this syntax, and we need to | |
| // specially reconstruct the above from a single <li> tag. | |
| $serializer->handleLIHackIfApplicable( $node ); | |
| $tag = $serializer->serializeHTMLTag( $node, $wrapperUnmodified ); | |
| $state->emitChunk( $tag, $node ); | |
| if ( $node->hasChildNodes() ) { | |
| $inPHPBlock = $state->inPHPBlock; | |
| if ( | |
| TokenUtils::tagOpensBlockScope( DOMCompat::nodeName( $node ) ) || | |
| // Blockquote is special in that it doesn't suppress paragraphs | |
| // but does suppress pre wrapping | |
| DOMCompat::nodeName( $node ) === 'blockquote' | |
| ) { | |
| $state->inPHPBlock = true; | |
| } | |
| // TODO(arlolra): As of 1.3.0, html pre is considered an extension | |
| // and wrapped in encapsulation. When that version is no longer | |
| // accepted for serialization, we can remove this backwards | |
| // compatibility code. | |
| if ( DOMCompat::nodeName( $node ) === 'pre' ) { | |
| // Handle html-pres specially | |
| // 1. If the node has a leading newline, add one like it (logic copied from VE) | |
| // 2. If not, and it has a data-parsoid strippedNL flag, add it back. | |
| // This patched DOM will serialize html-pres correctly. | |
| $lostLine = ''; | |
| $fc = $node->firstChild; | |
| if ( $fc instanceof Text ) { | |
| $lostLine = str_starts_with( $fc->nodeValue, "\n" ) ? "\n" : ''; | |
| } | |
| if ( !$lostLine && ( DOMDataUtils::getDataParsoid( $node )->strippedNL ?? false ) ) { | |
| $lostLine = "\n"; | |
| } | |
| $state->emitChunk( $lostLine, $node ); | |
| } | |
| $state->serializeChildren( $node ); | |
| $state->inPHPBlock = $inPHPBlock; | |
| } | |
| $endTag = $serializer->serializeHTMLEndTag( $node, $wrapperUnmodified ); | |
| $state->emitChunk( $endTag, $node ); | |
| return $node->nextSibling; | |
| } | |
| } |