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ProcessTreeBuilderFixups.php
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ProcessTreeBuilderFixups.php
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<?php
declare( strict_types = 1 );
namespace Wikimedia\Parsoid\Wt2Html\DOM\Processors;
use Wikimedia\Parsoid\Config\Env;
use Wikimedia\Parsoid\DOM\Element;
use Wikimedia\Parsoid\DOM\Node;
use Wikimedia\Parsoid\Utils\DiffDOMUtils;
use Wikimedia\Parsoid\Utils\DOMDataUtils;
use Wikimedia\Parsoid\Utils\WTUtils;
use Wikimedia\Parsoid\Wt2Html\Frame;
use Wikimedia\Parsoid\Wt2Html\Wt2HtmlDOMProcessor;
class ProcessTreeBuilderFixups implements Wt2HtmlDOMProcessor {
private static function removeAutoInsertedEmptyTags( Frame $frame, Node $node ): void {
$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() ||
( DiffDOMUtils::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 );
}
}

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Expires
Aug 16 2026, 11:50 (12 w, 5 h ago)
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df/9c/1ffc4ead17c8af76cada84f1833a
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ProcessTreeBuilderFixups.php (2 KB)

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