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Editor: Move pre_render_block, render_block_data, render_block_context 

Move the pre_render_block, render_block_data, and render_block_context
filters from render_block() to WP_Block. This ensures that they are
called for all blocks, including nested blocks, not just top-level
blocks.

Fixes #51612.
Props gaambo, gziolo, TimothyBlynJacobs.

Built from https://develop.svn.wordpress.org/trunk@49608


git-svn-id: http://core.svn.wordpress.org/trunk@49346 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
noisysocks 2020-11-16 00:47:11 +00:00
parent 44125fc590
commit 341704d640
3 changed files with 228 additions and 112 deletions
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25
wp-includes/blocks.php
View File

@ -662,7 +662,8 @@ function render_block( $parsed_block ) {
global $post, $wp_query;
/**
* Allows render_block() to be short-circuited, by returning a non-null value.
* Allows render_block() or WP_Block::render() to be short-circuited, by
* returning a non-null value.
*
* @since 5.1.0
*
@ -674,18 +675,6 @@ function render_block( $parsed_block ) {
return $pre_render;
}
$source_block = $parsed_block;
/**
* Filters the block being rendered in render_block(), before it's processed.
*
* @since 5.1.0
*
* @param array $parsed_block The block being rendered.
* @param array $source_block An un-modified copy of $parsed_block, as it appeared in the source content.
*/
$parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block );
$context = array();
if ( $post instanceof WP_Post ) {
@ -707,16 +696,6 @@ function render_block( $parsed_block ) {
}
}
/**
* Filters the default context provided to a rendered block.
*
* @since 5.5.0
*
* @param array $context Default context.
* @param array $parsed_block Block being rendered, filtered by `render_block_data`.
*/
$context = apply_filters( 'render_block_context', $context, $parsed_block );
$block = new WP_Block( $parsed_block, $context );
return $block->render();

313
wp-includes/class-wp-block.php
View File

@ -11,6 +11,10 @@
*
* @since 5.5.0
* @property array $attributes
* @property array $context
* @property WP_Block[] $inner_blocks;
* @property string $inner_html;
* @property array $inner_content;
*/
class WP_Block {
@ -22,6 +26,15 @@ class WP_Block {
*/
public $parsed_block;
/**
* All available context of the current hierarchy.
*
* @since 5.5.0
* @var array
* @access protected
*/
protected $available_context;
/**
* Name of block.
*
@ -41,59 +54,20 @@ class WP_Block {
public $block_type;
/**
* Block context values.
* Map of block property names and their cached value.
*
* @since 5.5.0
* Some block properties are computed lazily using a getter function. The
* result is then cached here for subsequent use.
*
* @since 5.6.0
* @var array
*/
public $context = array();
protected $cached_properties = 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 $inner_content = array();
/**
* Constructor.
*
* Populates object properties from the provided block instance argument.
* Creates a block instance from a backing `$parsed_block` array and list of
* `$available_context`. From these, the block's dynamic properties can be
* derived.
*
* 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
@ -103,31 +77,124 @@ class WP_Block {
*
* @since 5.5.0
*
* @param array $block Array of parsed block properties.
* @param array $parsed_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'];
public function __construct( $parsed_block, $available_context = array(), $registry = null ) {
if ( is_null( $registry ) ) {
$registry = WP_Block_Type_Registry::get_instance();
$this->registry = WP_Block_Type_Registry::get_instance();
} else {
$this->registry = $registry;
}
$this->block_type = $registry->get_registered( $this->name );
$this->reset( $parsed_block, $available_context );
}
/**
* Changes the backing `$parsed_block` and `$available_context` used to
* derive the block's dynamic properties.
*
* @since 5.6.0
* @param array $parsed_block Array of parsed block properties.
* @param array $available_context Optional array of ancestry context values.
* @param array $cached_properties Optional cache of dynamic properties to use.
*/
protected function reset(
$parsed_block,
$available_context = array(),
$cached_properties = array()
) {
$this->parsed_block = $parsed_block;
$this->available_context = $available_context;
$this->name = $parsed_block['blockName'];
$this->block_type = $this->registry->get_registered( $this->name );
$this->cached_properties = $cached_properties;
}
/**
* Getter used for the block's dynamic properties:
*
* - `$block->attributes`
* - `$block->context`
* - `$block->inner_blocks`
* - `$block->inner_html`
* - `$block->inner_content`
*
* Each dynamic property is obtained by calling the associated getter
* function (e.g. `this->get_attributes()`). The result is then cached in
* `$this->cached_attributes` for subsequent calls.
*
* @since 5.5.0
*
* @param string $name Property name.
* @return array|null Prepared attributes, or null.
*/
public function __get( $name ) {
if ( method_exists( $this, "get_$name" ) ) {
if ( ! isset( $this->cached_properties[ $name ] ) ) {
$this->cached_properties[ $name ] = $this->{"get_$name"}();
}
return $this->cached_properties[ $name ];
}
return null;
}
/**
* Block attributes.
*
* Use `$block->attributes` to access this.
*
* @since 5.6.0
* @return array
*/
protected function get_attributes() {
$attributes = isset( $this->parsed_block['attrs'] ) ?
$this->parsed_block['attrs'] :
array();
if ( ! is_null( $this->block_type ) ) {
return $this->block_type->prepare_attributes_for_render( $attributes );
}
return $attributes;
}
/**
* Block context values.
*
* Use `$block->context` to access this.
*
* @since 5.6.0
* @return array
*/
protected function get_context() {
$context = array();
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 ];
$context[ $context_name ] = $this->available_context[ $context_name ];
}
}
}
if ( ! empty( $block['innerBlocks'] ) ) {
return $context;
}
/**
* List of inner blocks (of this same class).
*
* Use `$block->inner_blocks` to access this.
*
* @since 5.6.0
* @return WP_Block[]
*/
protected function get_inner_blocks() {
if ( ! empty( $this->parsed_block['innerBlocks'] ) ) {
$child_context = $this->available_context;
if ( ! empty( $this->block_type->provides_context ) ) {
@ -138,45 +205,55 @@ class WP_Block {
}
}
$this->inner_blocks = new WP_Block_List( $block['innerBlocks'], $child_context, $registry );
return new WP_Block_List(
$this->parsed_block['innerBlocks'],
$child_context,
$this->registry
);
}
if ( ! empty( $block['innerHTML'] ) ) {
$this->inner_html = $block['innerHTML'];
}
if ( ! empty( $block['innerContent'] ) ) {
$this->inner_content = $block['innerContent'];
}
return array();
}
/**
* Returns a value from an inaccessible property.
* Resultant HTML from inside block comment delimiters after removing inner
* blocks.
*
* This is used to lazily initialize the `attributes` property of a block,
* such that it is only prepared with default attributes at the time that
* the property is accessed. For all other inaccessible properties, a `null`
* value is returned.
* Use `$block->inner_html` to access this.
*
* @since 5.5.0
* @example "...Just <!-- wp:test /--> testing..." -> "Just testing..."
*
* @param string $name Property name.
* @return array|null Prepared attributes, or null.
* @since 5.6.0
* @return string
*/
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;
protected function get_inner_html() {
if ( ! empty( $this->parsed_block['innerHTML'] ) ) {
return $this->parsed_block['innerHTML'];
}
return null;
return '';
}
/**
* List of string fragments and null markers where inner blocks were found
*
* Use `$block->inner_content` to access this.
*
* @example array(
* 'inner_html' => 'BeforeInnerAfter',
* 'inner_blocks' => array( block, block ),
* 'inner_content' => array( 'Before', null, 'Inner', null, 'After' ),
* )
*
* @since 5.6.0
* @return array
*/
protected function get_inner_content() {
if ( ! empty( $this->parsed_block['innerContent'] ) ) {
return $this->parsed_block['innerContent'];
}
return array();
}
/**
@ -193,6 +270,13 @@ class WP_Block {
*/
public function render( $options = array() ) {
global $post;
/** This filter is documented in src/wp-includes/blocks.php. */
$pre_render = apply_filters( 'pre_render_block', null, $this->parsed_block );
if ( ! is_null( $pre_render ) ) {
return $pre_render;
}
$options = wp_parse_args(
$options,
array(
@ -200,7 +284,47 @@ class WP_Block {
)
);
$is_dynamic = $options['dynamic'] && $this->name && null !== $this->block_type && $this->block_type->is_dynamic();
$initial_parsed_block = $this->parsed_block;
$initial_available_context = $this->available_context;
$initial_cached_properties = $this->cached_properties;
/**
* Filters a block which is to be rendered by render_block() or
* WP_Block::render().
*
* @since 5.1.0
*
* @param array $parsed_block The block being rendered.
* @param array $source_block An un-modified copy of $parsed_block, as it appeared in the source content.
*/
$parsed_block = apply_filters(
'render_block_data',
$this->parsed_block,
$initial_parsed_block
);
/**
* Filters the default context of a block which is to be rendered by
* render_block() or WP_Block::render().
*
* @since 5.5.0
*
* @param array $available_context Default context.
* @param array $parsed_block Block being rendered, filtered by `render_block_data`.
*/
$available_context = apply_filters(
'render_block_context',
$this->available_context,
$this->parsed_block
);
$this->reset( $parsed_block, $available_context );
$is_dynamic = $options['dynamic']
&& $this->name
&& null !== $this->block_type
&& $this->block_type->is_dynamic();
$block_content = '';
if ( ! $options['dynamic'] || empty( $this->block_type->skip_inner_blocks ) ) {
@ -218,7 +342,12 @@ class WP_Block {
WP_Block_Supports::$block_to_render = $this->parsed_block;
$block_content = (string) call_user_func( $this->block_type->render_callback, $this->attributes, $block_content, $this );
$block_content = (string) call_user_func(
$this->block_type->render_callback,
$this->attributes,
$block_content,
$this
);
WP_Block_Supports::$block_to_render = $parent;
@ -241,7 +370,15 @@ class WP_Block {
* @param string $block_content The block content about to be appended.
* @param array $block The full block, including name and attributes.
*/
return apply_filters( 'render_block', $block_content, $this->parsed_block );
$block_content = apply_filters( 'render_block', $block_content, $this->parsed_block );
$this->reset(
$initial_parsed_block,
$initial_available_context,
$initial_cached_properties
);
return $block_content;
}
}

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.6-beta4-49607';
$wp_version = '5.6-beta4-49608';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.