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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace Wikimedia\Parsoid\Html2Wt\DOMHandlers; |
| 5 | |
| 6 | use Wikimedia\Parsoid\DOM\Element; |
| 7 | use Wikimedia\Parsoid\DOM\Node; |
| 8 | use Wikimedia\Parsoid\Html2Wt\DiffUtils; |
| 9 | use Wikimedia\Parsoid\Html2Wt\SerializerState; |
| 10 | use Wikimedia\Parsoid\Utils\DiffDOMUtils; |
| 11 | use Wikimedia\Parsoid\Utils\DOMCompat; |
| 12 | use Wikimedia\Parsoid\Utils\DOMDataUtils; |
| 13 | use Wikimedia\Parsoid\Utils\DOMUtils; |
| 14 | use Wikimedia\Parsoid\Utils\WTUtils; |
| 15 | |
| 16 | class LIHandler extends DOMHandler { |
| 17 | |
| 18 | public function __construct() { |
| 19 | parent::__construct( true ); |
| 20 | } |
| 21 | |
| 22 | /** @inheritDoc */ |
| 23 | public function handle( |
| 24 | Element $node, SerializerState $state, bool $wrapperUnmodified = false |
| 25 | ): ?Node { |
| 26 | $firstChildElement = DiffDOMUtils::firstNonSepChild( $node ); |
| 27 | if ( !DOMUtils::isList( $firstChildElement ) |
| 28 | || WTUtils::isLiteralHTMLNode( $firstChildElement ) |
| 29 | ) { |
| 30 | $state->emitChunk( $this->getListBullets( $state, $node ), $node ); |
| 31 | } |
| 32 | $liHandler = static function ( $state, $text, $opts ) use ( $node ) { |
| 33 | return $state->serializer->wteHandlers->liHandler( $node, $state, $text, $opts ); |
| 34 | }; |
| 35 | $state->singleLineContext->enforce(); |
| 36 | $state->serializeChildren( $node, $liHandler ); |
| 37 | |
| 38 | // Recover trailing whitespace (only on unmodified innermost <li> nodes); |
| 39 | // Consider "*** foo ". Since WS is only trimmed on the innermost <li> node, |
| 40 | // it makes sense to recover this only for the innermost <li> node. |
| 41 | // [ Given current DSR offsets, without this check, we'll recover one space for |
| 42 | // every nested <li> node which makes for lotsa dirty diffs. ] |
| 43 | $lastChild = DiffDOMUtils::lastNonSepChild( $node ); |
| 44 | if ( $lastChild && !DOMUtils::isList( $lastChild ) && |
| 45 | !DiffUtils::hasDiffMarkers( $lastChild ) && |
| 46 | !( $lastChild instanceof Element && $lastChild->hasAttribute( 'data-mw-selser-wrapper' ) ) |
| 47 | ) { |
| 48 | $trailingSpace = $state->recoverTrimmedWhitespace( $node, false ); |
| 49 | $state->appendSep( $trailingSpace ?? '' ); |
| 50 | } |
| 51 | |
| 52 | $state->singleLineContext->pop(); |
| 53 | return $node->nextSibling; |
| 54 | } |
| 55 | |
| 56 | /** @inheritDoc */ |
| 57 | public function before( Element $node, Node $otherNode, SerializerState $state ): array { |
| 58 | if ( ( $otherNode === $node->parentNode |
| 59 | && in_array( DOMCompat::nodeName( $otherNode ), [ 'ul', 'ol' ], true ) ) |
| 60 | || ( $otherNode instanceof Element |
| 61 | && ( DOMDataUtils::getDataParsoid( $otherNode )->stx ?? null ) === 'html' ) |
| 62 | ) { |
| 63 | return []; |
| 64 | } else { |
| 65 | return [ 'min' => 1, 'max' => 2 ]; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | /** @inheritDoc */ |
| 70 | public function after( Element $node, Node $otherNode, SerializerState $state ): array { |
| 71 | return $this->wtListEOL( $node, $otherNode ); |
| 72 | } |
| 73 | |
| 74 | /** @inheritDoc */ |
| 75 | public function firstChild( Node $node, Node $otherNode, SerializerState $state ): array { |
| 76 | if ( !DOMUtils::isList( $otherNode ) ) { |
| 77 | return [ 'min' => 0, 'max' => 0 ]; |
| 78 | } else { |
| 79 | return []; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | } |