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| <?php | |
| declare( strict_types = 1 ); | |
| namespace Wikimedia\Parsoid\Wt2Html\PP\Processors; | |
| use Wikimedia\Parsoid\Config\Env; | |
| use Wikimedia\Parsoid\DOM\Element; | |
| use Wikimedia\Parsoid\DOM\Node; | |
| use Wikimedia\Parsoid\Utils\DOMDataUtils; | |
| use Wikimedia\Parsoid\Utils\DOMUtils; | |
| use Wikimedia\Parsoid\Utils\WTUtils; | |
| use Wikimedia\Parsoid\Wt2Html\Frame; | |
| use Wikimedia\Parsoid\Wt2Html\Wt2HtmlDOMProcessor; | |
| class ProcessTreeBuilderFixups implements Wt2HtmlDOMProcessor { | |
| /** | |
| * @param Frame $frame | |
| * @param Node $node | |
| */ | |
| private static function removeAutoInsertedEmptyTags( Frame $frame, Node $node ) { | |
| $c = $node->firstChild; | |
| while ( $c !== null ) { | |
| // FIXME: Encapsulation only happens after this phase, so you'd think | |
| // we wouldn't encounter any, but the html pre tag inserts extension | |
| // content directly, rather than passing it through as a fragment for | |
| // later unpacking. Same as above. | |
| if ( WTUtils::isEncapsulationWrapper( $c ) ) { | |
| $c = WTUtils::skipOverEncapsulatedContent( $c ); | |
| continue; | |
| } | |
| if ( $c instanceof Element ) { | |
| self::removeAutoInsertedEmptyTags( $frame, $c ); | |
| $dp = DOMDataUtils::getDataParsoid( $c ); | |
| // We do this down here for all elements since the quote transformer | |
| // also marks up elements as auto-inserted and we don't want to be | |
| // constrained by any conditions. Further, this pass should happen | |
| // before paragraph wrapping on the dom, since we don't want this | |
| // stripping to result in empty paragraphs. | |
| // Delete empty auto-inserted elements | |
| if ( !empty( $dp->autoInsertedStart ) && !empty( $dp->autoInsertedEnd ) && | |
| ( !$c->hasChildNodes() || | |
| ( DOMUtils::hasNChildren( $c, 1 ) && | |
| !( $c->firstChild instanceof Element ) && | |
| preg_match( '/^\s*$/D', $c->textContent ) | |
| ) | |
| ) | |
| ) { | |
| $next = $c->nextSibling; | |
| if ( $c->firstChild ) { | |
| // migrate the ws out | |
| $c->parentNode->insertBefore( $c->firstChild, $c ); | |
| } | |
| $c->parentNode->removeChild( $c ); | |
| $c = $next; | |
| continue; | |
| } | |
| } | |
| $c = $c->nextSibling; | |
| } | |
| } | |
| /** | |
| * @inheritDoc | |
| */ | |
| public function run( | |
| Env $env, Node $root, array $options = [], bool $atTopLevel = false | |
| ): void { | |
| self::removeAutoInsertedEmptyTags( $options['frame'], $root ); | |
| } | |
| } |