Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 312 insertions, 0 deletions

diff --git a/wp-includes/class-wp-block.php b/wp-includes/class-wp-block.php
new file mode 100644
index 0000000..65d3af6
--- /dev/null
+++ b/wp-includes/class-wp-block.php
@@ -0,0 +1,312 @@
+<?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
+ */
+#[AllowDynamicProperties]
+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;
+
+	/**
+	 * Block type registry.
+	 *
+	 * @since 5.9.0
+	 * @var WP_Block_Type_Registry
+	 * @access protected
+	 */
+	protected $registry;
+
+	/**
+	 * List of inner blocks (of this same class)
+	 *
+	 * @since 5.5.0
+	 * @var WP_Block_List
+	 */
+	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->registry = $registry;
+
+		$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
+	 *
+	 * @global WP_Post $post Global post object.
+	 *
+	 * @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 ) {
+				if ( is_string( $chunk ) ) {
+					$block_content .= $chunk;
+				} else {
+					$inner_block  = $this->inner_blocks[ $index ];
+					$parent_block = $this;
+
+					/** This filter is documented in wp-includes/blocks.php */
+					$pre_render = apply_filters( 'pre_render_block', null, $inner_block->parsed_block, $parent_block );
+
+					if ( ! is_null( $pre_render ) ) {
+						$block_content .= $pre_render;
+					} else {
+						$source_block = $inner_block->parsed_block;
+
+						/** This filter is documented in wp-includes/blocks.php */
+						$inner_block->parsed_block = apply_filters( 'render_block_data', $inner_block->parsed_block, $source_block, $parent_block );
+
+						/** This filter is documented in wp-includes/blocks.php */
+						$inner_block->context = apply_filters( 'render_block_context', $inner_block->context, $inner_block->parsed_block, $parent_block );
+
+						$block_content .= $inner_block->render();
+					}
+
+					++$index;
+				}
+			}
+		}
+
+		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_handles ) ) ) {
+			foreach ( $this->block_type->script_handles as $script_handle ) {
+				wp_enqueue_script( $script_handle );
+			}
+		}
+
+		if ( ! empty( $this->block_type->view_script_handles ) ) {
+			foreach ( $this->block_type->view_script_handles as $view_script_handle ) {
+				wp_enqueue_script( $view_script_handle );
+			}
+		}
+
+		if ( ( ! empty( $this->block_type->style_handles ) ) ) {
+			foreach ( $this->block_type->style_handles as $style_handle ) {
+				wp_enqueue_style( $style_handle );
+			}
+		}
+
+		/**
+		 * Filters the content of a single block.
+		 *
+		 * @since 5.0.0
+		 * @since 5.9.0 The `$instance` parameter was added.
+		 *
+		 * @param string   $block_content The block content.
+		 * @param array    $block         The full block, including name and attributes.
+		 * @param WP_Block $instance      The block instance.
+		 */
+		$block_content = apply_filters( 'render_block', $block_content, $this->parsed_block, $this );
+
+		/**
+		 * Filters the content of a single block.
+		 *
+		 * The dynamic portion of the hook name, `$name`, refers to
+		 * the block name, e.g. "core/paragraph".
+		 *
+		 * @since 5.7.0
+		 * @since 5.9.0 The `$instance` parameter was added.
+		 *
+		 * @param string   $block_content The block content.
+		 * @param array    $block         The full block, including name and attributes.
+		 * @param WP_Block $instance      The block instance.
+		 */
+		$block_content = apply_filters( "render_block_{$this->name}", $block_content, $this->parsed_block, $this );
+
+		return $block_content;
+	}
+}