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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\SerializerState; |
| 9 | use Wikimedia\Parsoid\Utils\DiffDOMUtils; |
| 10 | use Wikimedia\Parsoid\Utils\DOMCompat; |
| 11 | use Wikimedia\Parsoid\Utils\DOMDataUtils; |
| 12 | use Wikimedia\Parsoid\Utils\DOMUtils; |
| 13 | use Wikimedia\Parsoid\Utils\WTUtils; |
| 14 | |
| 15 | class TableHandler extends DOMHandler { |
| 16 | |
| 17 | public function __construct() { |
| 18 | parent::__construct( false ); |
| 19 | } |
| 20 | |
| 21 | /** @inheritDoc */ |
| 22 | public function handle( |
| 23 | Element $node, SerializerState $state, bool $wrapperUnmodified = false |
| 24 | ): ?Node { |
| 25 | $dp = DOMDataUtils::getDataParsoid( $node ); |
| 26 | $wt = $dp->startTagSrc ?? '{|'; |
| 27 | $indentTable = DOMCompat::nodeName( $node->parentNode ) === 'dd' |
| 28 | && DiffDOMUtils::previousNonSepSibling( $node ) === null; |
| 29 | if ( $indentTable ) { |
| 30 | $state->singleLineContext->disable(); |
| 31 | } |
| 32 | $state->emitChunk( |
| 33 | $this->serializeTableTag( $wt, '', $state, $node, $wrapperUnmodified ), |
| 34 | $node |
| 35 | ); |
| 36 | if ( !WTUtils::isLiteralHTMLNode( $node ) ) { |
| 37 | $state->wikiTableNesting++; |
| 38 | } |
| 39 | $state->serializeChildren( $node ); |
| 40 | if ( !WTUtils::isLiteralHTMLNode( $node ) ) { |
| 41 | $state->wikiTableNesting--; |
| 42 | } |
| 43 | if ( $state->sep->constraints === null ) { |
| 44 | // Special case hack for "{|\n|}" since state.sep is |
| 45 | // cleared in SSP.emitSep after a separator is emitted. |
| 46 | // However, for {|\n|}, the <table> tag has no element |
| 47 | // children which means lastchild -> parent constraint |
| 48 | // is never computed and set here. |
| 49 | $state->sep->constraints = [ 'min' => 1, 'max' => 2, 'constraintInfo' => [] ]; |
| 50 | } |
| 51 | $state->emitChunk( $dp->endTagSrc ?? '|}', $node ); |
| 52 | if ( $indentTable ) { |
| 53 | $state->singleLineContext->pop(); |
| 54 | } |
| 55 | return $node->nextSibling; |
| 56 | } |
| 57 | |
| 58 | /** @inheritDoc */ |
| 59 | public function before( Element $node, Node $otherNode, SerializerState $state ): array { |
| 60 | // Handle special table indentation case! |
| 61 | if ( $node->parentNode === $otherNode && DOMCompat::nodeName( $otherNode ) === 'dd' ) { |
| 62 | return [ 'min' => 0, 'max' => 2 ]; |
| 63 | } else { |
| 64 | return [ 'min' => 1, 'max' => 2 ]; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | /** @inheritDoc */ |
| 69 | public function after( Element $node, Node $otherNode, SerializerState $state ): array { |
| 70 | if ( ( WTUtils::isNewElt( $node ) || WTUtils::isNewElt( $otherNode ) ) |
| 71 | && !DOMUtils::atTheTop( $otherNode ) |
| 72 | ) { |
| 73 | return [ 'min' => 1, 'max' => 2 ]; |
| 74 | } else { |
| 75 | return [ 'min' => 0, 'max' => 2 ]; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | /** @inheritDoc */ |
| 80 | public function firstChild( Node $node, Node $otherNode, SerializerState $state ): array { |
| 81 | return [ 'min' => 1, 'max' => $this->maxNLsInTable( $node, $otherNode ) ]; |
| 82 | } |
| 83 | |
| 84 | /** @inheritDoc */ |
| 85 | public function lastChild( Node $node, Node $otherNode, SerializerState $state ): array { |
| 86 | return [ 'min' => 1, 'max' => $this->maxNLsInTable( $node, $otherNode ) ]; |
| 87 | } |
| 88 | |
| 89 | } |