DataMwAttrib.php
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DataMwAttrib.php
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	<?php
	declare( strict_types = 1 );

	namespace Wikimedia\Parsoid\NodeData;

	use Wikimedia\Assert\Assert;
	use Wikimedia\JsonCodec\JsonCodecable;
	use Wikimedia\JsonCodec\JsonCodecableTrait;

	/**
	* Rich attribute data for a DOM Element. Both the key and the value
	* can be strings or more complex values.
	*/
	class DataMwAttrib implements JsonCodecable {
	use JsonCodecableTrait;

	/**
	* The attribute name.
	* @var array{txt?:string,html?:string}\|string
	*/
	public $key;

	/**
	* The attribute value.
	* @var array\|string
	*/
	public $value;

	/**
	* @param array{txt?:string,html?:string}\|string $key Attribute name
	* @param array\|string $value Attribute value
	*/
	public function __construct( $key, $value ) {
	$this->key = $key;
	$this->value = $value;
	}

	/** @inheritDoc */
	public static function jsonClassHintFor( string $keyname ) {
	// No hints necessary, both $key and $value are arrays
	return null;
	}

	/** @inheritDoc */
	public function toJsonArray(): array {
	return [ $this->key, $this->value ];
	}

	/** @inheritDoc */
	public static function newFromJsonArray( array $json ): DataMwAttrib {
	Assert::invariant(
	array_is_list( $json ) && count( $json ) === 2,
	"bad data-mw.attrib"
	);
	return new DataMwAttrib( $json[0], $json[1] );
	}
	}