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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace Wikimedia\Parsoid\NodeData; |
| 5 | |
| 6 | use Wikimedia\Parsoid\DOM\Node; |
| 7 | use Wikimedia\Parsoid\Utils\DOMCompat; |
| 8 | use Wikimedia\Parsoid\Utils\DOMUtils; |
| 9 | use Wikimedia\Parsoid\Utils\Utils; |
| 10 | |
| 11 | // phpcs:disable MediaWiki.Commenting.PropertyDocumentation.ObjectTypeHintVar |
| 12 | |
| 13 | /** |
| 14 | * This object stores data associated with a single DOM node. |
| 15 | * |
| 16 | * Using undeclared properties reduces memory usage and CPU time if the |
| 17 | * property is null in more than about 75% of instances. There are typically |
| 18 | * a very large number of NodeData objects, so this optimisation is worthwhile. |
| 19 | * |
| 20 | * @property object|null $parsoid_diff |
| 21 | * @property object|null $mw_variant |
| 22 | * @property int|null $storedId |
| 23 | * @property DataMwI18n|null $i18n |
| 24 | */ |
| 25 | #[\AllowDynamicProperties] |
| 26 | class NodeData { |
| 27 | /** |
| 28 | * @var DataParsoid|null The unserialized data-parsoid attribute |
| 29 | */ |
| 30 | public $parsoid; |
| 31 | |
| 32 | /** |
| 33 | * @var object|null The unserialized data-mw attribute |
| 34 | */ |
| 35 | public $mw; |
| 36 | |
| 37 | /** |
| 38 | * Deep clone this object |
| 39 | * If $stripSealedFragments is true, sealed DOMFragment included in expanded attributes are deleted in the |
| 40 | * clone. |
| 41 | * @param bool $stripSealedFragments |
| 42 | * @return self |
| 43 | */ |
| 44 | public function cloneNodeData( bool $stripSealedFragments = false ): self { |
| 45 | $cloneableData = get_object_vars( $this ); |
| 46 | // Don't clone $this->parsoid because it has a custom clone method |
| 47 | unset( $cloneableData['parsoid'] ); |
| 48 | // Don't clone storedId because it doesn't need it |
| 49 | unset( $cloneableData['storedId'] ); |
| 50 | // Deep clone everything else |
| 51 | $cloneableData = Utils::clone( $cloneableData ); |
| 52 | $nd = clone $this; |
| 53 | if ( $nd->parsoid ) { |
| 54 | $nd->parsoid = $nd->parsoid->clone(); |
| 55 | } |
| 56 | // Avoid cloning sealed DOMFragments that may occur in expanded attributes |
| 57 | if ( $nd->mw && $stripSealedFragments && is_array( $nd->mw->attribs ) ) { |
| 58 | foreach ( $nd->mw->attribs as $attr ) { |
| 59 | foreach ( $attr as $v ) { |
| 60 | if ( isset( $v->html ) && str_contains( $v->html, 'mw:DOMFragment/sealed' ) ) { |
| 61 | $doc = DOMUtils::parseHTML( $v->html ); |
| 62 | DOMUtils::visitDOM( $doc, static function ( Node $node ) { |
| 63 | if ( |
| 64 | DOMUtils::matchTypeOf( $node, '#^mw:DOMFragment/sealed/\w+$#D' ) |
| 65 | ) { |
| 66 | DOMCompat::getParentElement( $node )->removeChild( $node ); |
| 67 | } |
| 68 | } ); |
| 69 | $v->html = DOMCompat::getInnerHTML( DOMCompat::getBody( $doc ) ); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | foreach ( $cloneableData as $key => $value ) { |
| 75 | $nd->$key = $value; |
| 76 | } |
| 77 | return $nd; |
| 78 | } |
| 79 | } |