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1<?php
2declare( strict_types = 1 );
3
4namespace Wikimedia\Parsoid\Wt2Html\TreeBuilder;
5
6use Wikimedia\Parsoid\DOM\Document;
7use Wikimedia\Parsoid\Utils\DOMDataUtils;
8use Wikimedia\RemexHtml\Tokenizer\PlainAttributes;
9
10class Attributes extends PlainAttributes {
11    private $document;
12
13    /**
14     * @param Document $document
15     * @param array $data
16     */
17    public function __construct( Document $document, $data = [] ) {
18        $this->document = $document;
19        parent::__construct( $data );
20    }
21
22    public function clone() {
23        if ( isset( $this->data[DOMDataUtils::DATA_OBJECT_ATTR_NAME] ) ) {
24            $newAttrs = $this->data;
25            $data = DOMDataUtils::getBag( $this->document )->getObject(
26                (int)$this->data[DOMDataUtils::DATA_OBJECT_ATTR_NAME] );
27            $newData = $data->clone();
28
29            // - If autoInserted(Start|End)Token flags are set, set the corresponding
30            //   autoInserted(Start|End) flag. Clear the token flags on the
31            //   already-processed nodes but let them propagate further down
32            //   so that autoInserted(Start|End) flags can be set on all clones.
33            // - If not, clear autoInserted* flags since TreeEventStage needs
34            //   to set them again based on the HTML token stream.
35            if ( isset( $data->parsoid->autoInsertedStartToken ) ) {
36                unset( $data->parsoid->autoInsertedStartToken );
37                $newData->parsoid->autoInsertedStart = true;
38            } else {
39                unset( $newData->parsoid->autoInsertedStart );
40            }
41            if ( isset( $data->parsoid->autoInsertedEndToken ) ) {
42                unset( $data->parsoid->autoInsertedEndToken );
43                $newData->parsoid->autoInsertedEnd = true;
44            } else {
45                unset( $newData->parsoid->autoInsertedEnd );
46            }
47
48            $newAttrs[DOMDataUtils::DATA_OBJECT_ATTR_NAME] =
49                DOMDataUtils::stashObjectInDoc( $this->document, $newData );
50            return new self( $this->document, $newAttrs );
51        } else {
52            return $this;
53        }
54    }
55}