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home/thewytch/host2/wachabuy.com/wp-includes/class-wp-block-metadata-registry.php 0000644 00000020243 14722304230 0024160 0 ustar 00 <?php /** * Block Metadata Registry * * @package WordPress * @subpackage Blocks * @since 6.7.0 */ /** * Class used for managing block metadata collections. * * The WP_Block_Metadata_Registry allows plugins to register metadata for large * collections of blocks (e.g., 50-100+) using a single PHP file. This approach * reduces the need to read and decode multiple `block.json` files, enhancing * performance through opcode caching. * * @since 6.7.0 */ class WP_Block_Metadata_Registry { /** * Container for storing block metadata collections. * * Each entry maps a base path to its corresponding metadata and callback. * * @since 6.7.0 * @var array<string, array<string, mixed>> */ private static $collections = array(); /** * Caches the last matched collection path for performance optimization. * * @since 6.7.0 * @var string|null */ private static $last_matched_collection = null; /** * Stores the WordPress 'wp-includes' directory path. * * @since 6.7.0 * @var string|null */ private static $wpinc_dir = null; /** * Stores the normalized WordPress plugin directory path. * * @since 6.7.0 * @var string|null */ private static $plugin_dir = null; /** * Registers a block metadata collection. * * This method allows registering a collection of block metadata from a single * manifest file, improving performance for large sets of blocks. * * The manifest file should be a PHP file that returns an associative array, where * the keys are the block identifiers (without their namespace) and the values are * the corresponding block metadata arrays. The block identifiers must match the * parent directory name for the respective `block.json` file. * * Example manifest file structure: * ``` * return array( * 'example-block' => array( * 'title' => 'Example Block', * 'category' => 'widgets', * 'icon' => 'smiley', * // ... other block metadata * ), * 'another-block' => array( * 'title' => 'Another Block', * 'category' => 'formatting', * 'icon' => 'star-filled', * // ... other block metadata * ), * // ... more block metadata entries * ); * ``` * * @since 6.7.0 * * @param string $path The absolute base path for the collection ( e.g., WP_PLUGIN_DIR . '/my-plugin/blocks/' ). * @param string $manifest The absolute path to the manifest file containing the metadata collection. * @return bool True if the collection was registered successfully, false otherwise. */ public static function register_collection( $path, $manifest ) { $path = wp_normalize_path( rtrim( $path, '/' ) ); $wpinc_dir = self::get_wpinc_dir(); $plugin_dir = self::get_plugin_dir(); // Check if the path is valid: if ( str_starts_with( $path, $plugin_dir ) ) { // For plugins, ensure the path is within a specific plugin directory and not the base plugin directory. $relative_path = substr( $path, strlen( $plugin_dir ) + 1 ); $plugin_name = strtok( $relative_path, '/' ); if ( empty( $plugin_name ) || $plugin_name === $relative_path ) { _doing_it_wrong( __METHOD__, __( 'Block metadata collections can only be registered for a specific plugin. The provided path is neither a core path nor a valid plugin path.' ), '6.7.0' ); return false; } } elseif ( ! str_starts_with( $path, $wpinc_dir ) ) { // If it's neither a plugin directory path nor within 'wp-includes', the path is invalid. _doing_it_wrong( __METHOD__, __( 'Block metadata collections can only be registered for a specific plugin. The provided path is neither a core path nor a valid plugin path.' ), '6.7.0' ); return false; } if ( ! file_exists( $manifest ) ) { _doing_it_wrong( __METHOD__, __( 'The specified manifest file does not exist.' ), '6.7.0' ); return false; } self::$collections[ $path ] = array( 'manifest' => $manifest, 'metadata' => null, ); return true; } /** * Retrieves block metadata for a given block within a specific collection. * * This method uses the registered collections to efficiently lookup * block metadata without reading individual `block.json` files. * * @since 6.7.0 * * @param string $file_or_folder The path to the file or folder containing the block. * @return array|null The block metadata for the block, or null if not found. */ public static function get_metadata( $file_or_folder ) { $path = self::find_collection_path( $file_or_folder ); if ( ! $path ) { return null; } $collection = &self::$collections[ $path ]; if ( null === $collection['metadata'] ) { // Load the manifest file if not already loaded $collection['metadata'] = require $collection['manifest']; } // Get the block name from the path. $block_name = self::default_identifier_callback( $file_or_folder ); return isset( $collection['metadata'][ $block_name ] ) ? $collection['metadata'][ $block_name ] : null; } /** * Finds the collection path for a given file or folder. * * @since 6.7.0 * * @param string $file_or_folder The path to the file or folder. * @return string|null The collection path if found, or null if not found. */ private static function find_collection_path( $file_or_folder ) { if ( empty( $file_or_folder ) ) { return null; } // Check the last matched collection first, since block registration usually happens in batches per plugin or theme. $path = wp_normalize_path( rtrim( $file_or_folder, '/' ) ); if ( self::$last_matched_collection && str_starts_with( $path, self::$last_matched_collection ) ) { return self::$last_matched_collection; } $collection_paths = array_keys( self::$collections ); foreach ( $collection_paths as $collection_path ) { if ( str_starts_with( $path, $collection_path ) ) { self::$last_matched_collection = $collection_path; return $collection_path; } } return null; } /** * Checks if metadata exists for a given block name in a specific collection. * * @since 6.7.0 * * @param string $file_or_folder The path to the file or folder containing the block metadata. * @return bool True if metadata exists for the block, false otherwise. */ public static function has_metadata( $file_or_folder ) { return null !== self::get_metadata( $file_or_folder ); } /** * Default identifier function to determine the block identifier from a given path. * * This function extracts the block identifier from the path: * - For 'block.json' files, it uses the parent directory name. * - For directories, it uses the directory name itself. * - For empty paths, it returns an empty string. * * For example: * - Path: '/wp-content/plugins/my-plugin/blocks/example/block.json' * Identifier: 'example' * - Path: '/wp-content/plugins/my-plugin/blocks/another-block' * Identifier: 'another-block' * * This default behavior matches the standard WordPress block structure. * * @since 6.7.0 * * @param string $path The file or folder path to determine the block identifier from. * @return string The block identifier, or an empty string if the path is empty. */ private static function default_identifier_callback( $path ) { // Ensure $path is not empty to prevent unexpected behavior. if ( empty( $path ) ) { return ''; } if ( str_ends_with( $path, 'block.json' ) ) { // Return the parent directory name if it's a block.json file. return basename( dirname( $path ) ); } // Otherwise, assume it's a directory and return its name. return basename( $path ); } /** * Gets the WordPress 'wp-includes' directory path. * * @since 6.7.0 * * @return string The WordPress 'wp-includes' directory path. */ private static function get_wpinc_dir() { if ( ! isset( self::$wpinc_dir ) ) { self::$wpinc_dir = wp_normalize_path( ABSPATH . WPINC ); } return self::$wpinc_dir; } /** * Gets the normalized WordPress plugin directory path. * * @since 6.7.0 * * @return string The normalized WordPress plugin directory path. */ private static function get_plugin_dir() { if ( ! isset( self::$plugin_dir ) ) { self::$plugin_dir = wp_normalize_path( WP_PLUGIN_DIR ); } return self::$plugin_dir; } }
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