generated by // Parsoid, and then (assuming section edit links are enabled) // adding a with the section edit link // inside that

// // If COLLAPSIBLE_SECTIONS is set, then we also wrap a

// around the section *contents*. $toc = $po->getTOCData(); $sections = ( $toc !== null ) ? $toc->getSections() : []; // use the TOC data to extract the headings: foreach ( $sections as $section ) { $fromTitle = $section->fromTitle; if ( $fromTitle === null ) { // T353489: don't wrap bare tags continue; } $h = $dom->getElementById( $section->anchor ); if ( $h === null ) { $this->logger->error( __METHOD__ . ': Heading missing for anchor', $section->toLegacy() ); continue; } $div = $dom->createElement( 'div' ); if ( ( $options['enableSectionEditLinks'] ?? true ) && !$po->getOutputFlag( ParserOutputFlags::NO_SECTION_EDIT_LINKS ) ) { $editPage = $this->titleFactory->newFromTextThrow( $fromTitle ); $html = $skin->doEditSectionLink( $editPage, $section->index, $h->textContent, $skin->getLanguage() ); DOMCompat::setInnerHTML( $div, $html ); } // Reuse existing wrapper if present. $maybeWrapper = $h->parentNode; '@phan-var \Wikimedia\Parsoid\DOM\Element $maybeWrapper'; if ( DOMCompat::nodeName( $maybeWrapper ) === 'div' && DOMCompat::getClassList( $maybeWrapper )->contains( 'mw-heading' ) ) { // Transfer section edit link children to existing wrapper // All contents of the div (the section edit link) will be // inserted immediately following the tag $ref = $h->nextSibling; while ( $div->firstChild !== null ) { // @phan-suppress-next-line PhanTypeMismatchArgumentNullableInternal firstChild is non-null (PHP81) $maybeWrapper->insertBefore( $div->firstChild, $ref ); } $div = $maybeWrapper; // for use below } else { // Move to new wrapper: the div contents are currently // the section edit link. We first replace the h with the // div, then insert the as the first child of the div // so the section edit link is immediately following the . $div->setAttribute( 'class', 'mw-heading mw-heading' . $section->hLevel ); $h->parentNode->replaceChild( $div, $h ); // Work around bug in phan (https://github.com/phan/phan/pull/4837) // by asserting that $div->firstChild is non-null here. Actually, // ::insertBefore will work fine if $div->firstChild is null (if // "doEditSectionLink" returned nothing, for instance), but // phan incorrectly thinks the second argument must be non-null. $divFirstChild = $div->firstChild; '@phan-var \DOMNode $divFirstChild'; // asserting non-null (PHP81) $div->insertBefore( $h, $divFirstChild ); } // Create collapsible section wrapper if requested. if ( $po->getOutputFlag( ParserOutputFlags::COLLAPSIBLE_SECTIONS ) ) { $contentsDiv = $dom->createElement( 'div' ); while ( $div->nextSibling !== null ) { // @phan-suppress-next-line PhanTypeMismatchArgumentNullableInternal $contentsDiv->appendChild( $div->nextSibling ); } $div->parentNode->appendChild( $contentsDiv ); } } return $dom; } /** * Extracts the skin from the $options array, with a fallback on request context skin * @param array $options * @return Skin */ private function resolveSkin( array $options ): Skin { $skin = $options[ 'skin' ] ?? null; if ( !$skin ) { // T348853 passing $skin will be mandatory in the future $skin = RequestContext::getMain()->getSkin(); } return $skin; } }