angelovcom.net

class-wp-block.php (6765B)

---

 <?php
 /**
  * Blocks API: WP_Block class
  *
  * @package WordPress
  * @since 5.5.0
  */
 
 /**
  * Class representing a parsed instance of a block.
  *
  * @since 5.5.0
  * @property array $attributes
  */
 class WP_Block {
 
 	/**
 	 * Original parsed array representation of block.
 	 *
 	 * @since 5.5.0
 	 * @var array
 	 */
 	public $parsed_block;
 
 	/**
 	 * Name of block.
 	 *
 	 * @example "core/paragraph"
 	 *
 	 * @since 5.5.0
 	 * @var string
 	 */
 	public $name;
 
 	/**
 	 * Block type associated with the instance.
 	 *
 	 * @since 5.5.0
 	 * @var WP_Block_Type
 	 */
 	public $block_type;
 
 	/**
 	 * Block context values.
 	 *
 	 * @since 5.5.0
 	 * @var array
 	 */
 	public $context = array();
 
 	/**
 	 * All available context of the current hierarchy.
 	 *
 	 * @since 5.5.0
 	 * @var array
 	 * @access protected
 	 */
 	protected $available_context;
 
 	/**
 	 * List of inner blocks (of this same class)
 	 *
 	 * @since 5.5.0
 	 * @var WP_Block[]
 	 */
 	public $inner_blocks = array();
 
 	/**
 	 * Resultant HTML from inside block comment delimiters after removing inner
 	 * blocks.
 	 *
 	 * @example "...Just <!-- wp:test /--> testing..." -> "Just testing..."
 	 *
 	 * @since 5.5.0
 	 * @var string
 	 */
 	public $inner_html = '';
 
 	/**
 	 * List of string fragments and null markers where inner blocks were found
 	 *
 	 * @example array(
 	 *   'inner_html'    => 'BeforeInnerAfter',
 	 *   'inner_blocks'  => array( block, block ),
 	 *   'inner_content' => array( 'Before', null, 'Inner', null, 'After' ),
 	 * )
 	 *
 	 * @since 5.5.0
 	 * @var array
 	 */
 	public $inner_content = array();
 
 	/**
 	 * Constructor.
 	 *
 	 * Populates object properties from the provided block instance argument.
 	 *
 	 * The given array of context values will not necessarily be available on
 	 * the instance itself, but is treated as the full set of values provided by
 	 * the block's ancestry. This is assigned to the private `available_context`
 	 * property. Only values which are configured to consumed by the block via
 	 * its registered type will be assigned to the block's `context` property.
 	 *
 	 * @since 5.5.0
 	 *
 	 * @param array                  $block             Array of parsed block properties.
 	 * @param array                  $available_context Optional array of ancestry context values.
 	 * @param WP_Block_Type_Registry $registry          Optional block type registry.
 	 */
 	public function __construct( $block, $available_context = array(), $registry = null ) {
 		$this->parsed_block = $block;
 		$this->name         = $block['blockName'];
 
 		if ( is_null( $registry ) ) {
 			$registry = WP_Block_Type_Registry::get_instance();
 		}
 
 		$this->block_type = $registry->get_registered( $this->name );
 
 		$this->available_context = $available_context;
 
 		if ( ! empty( $this->block_type->uses_context ) ) {
 			foreach ( $this->block_type->uses_context as $context_name ) {
 				if ( array_key_exists( $context_name, $this->available_context ) ) {
 					$this->context[ $context_name ] = $this->available_context[ $context_name ];
 				}
 			}
 		}
 
 		if ( ! empty( $block['innerBlocks'] ) ) {
 			$child_context = $this->available_context;
 
 			if ( ! empty( $this->block_type->provides_context ) ) {
 				foreach ( $this->block_type->provides_context as $context_name => $attribute_name ) {
 					if ( array_key_exists( $attribute_name, $this->attributes ) ) {
 						$child_context[ $context_name ] = $this->attributes[ $attribute_name ];
 					}
 				}
 			}
 
 			$this->inner_blocks = new WP_Block_List( $block['innerBlocks'], $child_context, $registry );
 		}
 
 		if ( ! empty( $block['innerHTML'] ) ) {
 			$this->inner_html = $block['innerHTML'];
 		}
 
 		if ( ! empty( $block['innerContent'] ) ) {
 			$this->inner_content = $block['innerContent'];
 		}
 	}
 
 	/**
 	 * Returns a value from an inaccessible property.
 	 *
 	 * This is used to lazily initialize the `attributes` property of a block,
 	 * such that it is only prepared with default attributes at the time that
 	 * the property is accessed. For all other inaccessible properties, a `null`
 	 * value is returned.
 	 *
 	 * @since 5.5.0
 	 *
 	 * @param string $name Property name.
 	 * @return array|null Prepared attributes, or null.
 	 */
 	public function __get( $name ) {
 		if ( 'attributes' === $name ) {
 			$this->attributes = isset( $this->parsed_block['attrs'] ) ?
 				$this->parsed_block['attrs'] :
 				array();
 
 			if ( ! is_null( $this->block_type ) ) {
 				$this->attributes = $this->block_type->prepare_attributes_for_render( $this->attributes );
 			}
 
 			return $this->attributes;
 		}
 
 		return null;
 	}
 
 	/**
 	 * Generates the render output for the block.
 	 *
 	 * @since 5.5.0
 	 *
 	 * @param array $options {
 	 *   Optional options object.
 	 *
 	 *   @type bool $dynamic Defaults to 'true'. Optionally set to false to avoid using the block's render_callback.
 	 * }
 	 * @return string Rendered block output.
 	 */
 	public function render( $options = array() ) {
 		global $post;
 		$options = wp_parse_args(
 			$options,
 			array(
 				'dynamic' => true,
 			)
 		);
 
 		$is_dynamic    = $options['dynamic'] && $this->name && null !== $this->block_type && $this->block_type->is_dynamic();
 		$block_content = '';
 
 		if ( ! $options['dynamic'] || empty( $this->block_type->skip_inner_blocks ) ) {
 			$index = 0;
 			foreach ( $this->inner_content as $chunk ) {
 				$block_content .= is_string( $chunk ) ?
 					$chunk :
 					$this->inner_blocks[ $index++ ]->render();
 			}
 		}
 
 		if ( $is_dynamic ) {
 			$global_post = $post;
 			$parent      = WP_Block_Supports::$block_to_render;
 
 			WP_Block_Supports::$block_to_render = $this->parsed_block;
 
 			$block_content = (string) call_user_func( $this->block_type->render_callback, $this->attributes, $block_content, $this );
 
 			WP_Block_Supports::$block_to_render = $parent;
 
 			$post = $global_post;
 		}
 
 		if ( ! empty( $this->block_type->script ) ) {
 			wp_enqueue_script( $this->block_type->script );
 		}
 
 		if ( ! empty( $this->block_type->style ) ) {
 			wp_enqueue_style( $this->block_type->style );
 		}
 
 		/**
 		 * Filters the content of a single block.
 		 *
 		 * @since 5.0.0
 		 *
 		 * @param string $block_content The block content about to be appended.
 		 * @param array  $block         The full block, including name and attributes.
 		 */
 		$block_content = apply_filters( 'render_block', $block_content, $this->parsed_block );
 
 		/**
 		 * Filters the content of a single block.
 		 *
 		 * The dynamic portion of the hook name, `$name`, refers to
 		 * the block name, e.g. "core/paragraph".
 		 *
 		 * @since 5.7.0
 		 *
 		 * @param string $block_content The block content about to be appended.
 		 * @param array  $block         The full block, including name and attributes.
 		 */
 		$block_content = apply_filters( "render_block_{$this->name}", $block_content, $this->parsed_block );
 
 		return $block_content;
 	}
 
 }