<?php

/**

 * Block Bindings API: WP_Block_Bindings_Source class.

 *

 *

 * @package WordPress

 * @subpackage Block Bindings

 * @since 6.5.0

 */

/**

 * Class representing block bindings source.

 *

 * This class is designed for internal use by the Block Bindings registry.

 *

 * @since 6.5.0

 * @access private

 *

 * @see WP_Block_Bindings_Registry

 */

final class WP_Block_Bindings_Source {

	/**

	 * The name of the source.

	 *

	 * @since 6.5.0

	 * @var string

	 */

	public $name;

	/**

	 * The label of the source.

	 *

	 * @since 6.5.0

	 * @var string

	 */

	public $label;

	/**

	 * The function used to get the value from the source.

	 *

	 * @since 6.5.0

	 * @var callable

	 */

	private $get_value_callback;

	/**

	 * The context added to the blocks needed by the source.

	 *

	 * @since 6.5.0

	 * @var string[]|null

	 */

	public $uses_context = null;

	/**

	 * Constructor.

	 *

	 * Do not use this constructor directly. Instead, use the

	 * `WP_Block_Bindings_Registry::register` method or the `register_block_bindings_source` function.

	 *

	 * @since 6.5.0

	 *

	 * @param string $name               The name of the source.

	 * @param array  $source_properties  The properties of the source.

	 */

	public function __construct( string $name, array $source_properties ) {

		$this->name = $name;

		foreach ( $source_properties as $property_name => $property_value ) {

			$this->$property_name = $property_value;

		}

	}

	/**

	 * Retrieves the value from the source.

	 *

	 * @since 6.5.0

	 *

	 * @param array    $source_args     Array containing source arguments used to look up the override value, i.e. {"key": "foo"}.

	 * @param WP_Block $block_instance  The block instance.

	 * @param string   $attribute_name  The name of the target attribute.

	 *

	 * @return mixed The value of the source.

	 */

	public function get_value( array $source_args, $block_instance, string $attribute_name ) {

		return call_user_func_array( $this->get_value_callback, array( $source_args, $block_instance, $attribute_name ) );

	}

	/**

	 * Wakeup magic method.

	 *

	 * @since 6.5.0

	 */

	public function __wakeup() {

		throw new \LogicException( __CLASS__ . ' should never be unserialized' );

	}

}