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Edit File: class-wp-theme-json-resolver.php
<?php /** * WP_Theme_JSON_Resolver class * * @package WordPress * @subpackage Theme * @since 5.8.0 */ /** * Class that abstracts the processing of the different data sources * for site-level config and offers an API to work with them. * * This class is for internal core usage and is not supposed to be used by extenders (plugins and/or themes). * This is a low-level API that may need to do breaking changes. Please, * use get_global_settings(), get_global_styles(), and get_global_stylesheet() instead. * * @access private */ #[AllowDynamicProperties] class WP_Theme_JSON_Resolver { /** * Container for keep track of registered blocks. * * @since 6.1.0 * @var array */ protected static $blocks_cache = array( 'core' => array(), 'blocks' => array(), 'theme' => array(), 'user' => array(), ); /** * Container for data coming from core. * * @since 5.8.0 * @var WP_Theme_JSON */ protected static $core = null; /** * Container for data coming from the blocks. * * @since 6.1.0 * @var WP_Theme_JSON */ protected static $blocks = null; /** * Container for data coming from the theme. * * @since 5.8.0 * @var WP_Theme_JSON */ protected static $theme = null; /** * Container for data coming from the user. * * @since 5.9.0 * @var WP_Theme_JSON */ protected static $user = null; /** * Stores the ID of the custom post type * that holds the user data. * * @since 5.9.0 * @var int */ protected static $user_custom_post_type_id = null; /** * Container to keep loaded i18n schema for `theme.json`. * * @since 5.8.0 As `$theme_json_i18n`. * @since 5.9.0 Renamed from `$theme_json_i18n` to `$i18n_schema`. * @var array */ protected static $i18n_schema = null; /** * `theme.json` file cache. * * @since 6.1.0 * @var array */ protected static $theme_json_file_cache = array(); /** * Processes a file that adheres to the theme.json schema * and returns an array with its contents, or a void array if none found. * * @since 5.8.0 * @since 6.1.0 Added caching. * * @param string $file_path Path to file. Empty if no file. * @return array Contents that adhere to the theme.json schema. */ protected static function read_json_file( $file_path ) { if ( $file_path ) { if ( array_key_exists( $file_path, static::$theme_json_file_cache ) ) { return static::$theme_json_file_cache[ $file_path ]; } $decoded_file = wp_json_file_decode( $file_path, array( 'associative' => true ) ); if ( is_array( $decoded_file ) ) { static::$theme_json_file_cache[ $file_path ] = $decoded_file; return static::$theme_json_file_cache[ $file_path ]; } } return array(); } /** * Returns a data structure used in theme.json translation. * * @since 5.8.0 * @deprecated 5.9.0 * * @return array An array of theme.json fields that are translatable and the keys that are translatable. */ public static function get_fields_to_translate() { _deprecated_function( __METHOD__, '5.9.0' ); return array(); } /** * Given a theme.json structure modifies it in place to update certain values * by its translated strings according to the language set by the user. * * @since 5.8.0 * * @param array $theme_json The theme.json to translate. * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings. * Default 'default'. * @return array Returns the modified $theme_json_structure. */ protected static function translate( $theme_json, $domain = 'default' ) { if ( null === static::$i18n_schema ) { $i18n_schema = wp_json_file_decode( __DIR__ . '/theme-i18n.json' ); static::$i18n_schema = $i18n_schema ?? array(); } return translate_settings_using_i18n_schema( static::$i18n_schema, $theme_json, $domain ); } /** * Returns core's origin config. * * @since 5.8.0 * * @return WP_Theme_JSON Entity that holds core data. */ public static function get_core_data() { if ( null !== static::$core && static::has_same_registered_blocks( 'core' ) ) { return static::$core; } $config = static::read_json_file( __DIR__ . '/theme.json' ); $config = static::translate( $config ); /** * Filters the default data provided by WordPress for global styles & settings. * * @since 6.1.0 * * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data. */ $theme_json = apply_filters( 'wp_theme_json_data_default', new WP_Theme_JSON_Data( $config, 'default' ) ); /* * Backward compatibility for extenders returning a WP_Theme_JSON_Data * compatible class that is not a WP_Theme_JSON_Data object. */ if ( $theme_json instanceof WP_Theme_JSON_Data ) { static::$core = $theme_json->get_theme_json(); } else { $config = $theme_json->get_data(); static::$core = new WP_Theme_JSON( $config, 'default' ); } return static::$core; } /** * Checks whether the registered blocks were already processed for this origin. * * @since 6.1.0 * * @param string $origin Data source for which to cache the blocks. * Valid values are 'core', 'blocks', 'theme', and 'user'. * @return bool True on success, false otherwise. */ protected static function has_same_registered_blocks( $origin ) { // Bail out if the origin is invalid. if ( ! isset( static::$blocks_cache[ $origin ] ) ) { return false; } $registry = WP_Block_Type_Registry::get_instance(); $blocks = $registry->get_all_registered(); // Is there metadata for all currently registered blocks? $block_diff = array_diff_key( $blocks, static::$blocks_cache[ $origin ] ); if ( empty( $block_diff ) ) { return true; } foreach ( $blocks as $block_name => $block_type ) { static::$blocks_cache[ $origin ][ $block_name ] = true; } return false; } /** * Returns the theme's data. * * Data from theme.json will be backfilled from existing * theme supports, if any. Note that if the same data * is present in theme.json and in theme supports, * the theme.json takes precedence. * * @since 5.8.0 * @since 5.9.0 Theme supports have been inlined and the `$theme_support_data` argument removed. * @since 6.0.0 Added an `$options` parameter to allow the theme data to be returned without theme supports. * @since 6.6.0 Add support for 'default-font-sizes' and 'default-spacing-sizes' theme supports. * Added registration and merging of block style variations from partial theme.json files and the block styles registry. * * @param array $deprecated Deprecated. Not used. * @param array $options { * Options arguments. * * @type bool $with_supports Whether to include theme supports in the data. Default true. * } * @return WP_Theme_JSON Entity that holds theme data. */ public static function get_theme_data( $deprecated = array(), $options = array() ) { if ( ! empty( $deprecated ) ) { _deprecated_argument( __METHOD__, '5.9.0' ); } $options = wp_parse_args( $options, array( 'with_supports' => true ) ); if ( null === static::$theme || ! static::has_same_registered_blocks( 'theme' ) ) { $wp_theme = wp_get_theme(); $theme_json_file = $wp_theme->get_file_path( 'theme.json' ); if ( is_readable( $theme_json_file ) ) { $theme_json_data = static::read_json_file( $theme_json_file ); $theme_json_data = static::translate( $theme_json_data, $wp_theme->get( 'TextDomain' ) ); } else { $theme_json_data = array( 'version' => WP_Theme_JSON::LATEST_SCHEMA ); } /* * Register variations defined by theme partials (theme.json files in the styles directory). * This is required so the variations pass sanitization of theme.json data. */ $variations = static::get_style_variations( 'block' ); wp_register_block_style_variations_from_theme_json_partials( $variations ); /* * Source variations from the block registry and block style variation files. Then, merge them into the existing theme.json data. * * In case the same style properties are defined in several sources, this is how we should resolve the values, * from higher to lower priority: * * - styles.blocks.blockType.variations from theme.json * - styles.variations from theme.json * - variations from block style variation files * - variations from block styles registry * * See test_add_registered_block_styles_to_theme_data and test_unwraps_block_style_variations. * */ $theme_json_data = static::inject_variations_from_block_style_variation_files( $theme_json_data, $variations ); $theme_json_data = static::inject_variations_from_block_styles_registry( $theme_json_data ); /** * Filters the data provided by the theme for global styles and settings. * * @since 6.1.0 * * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data. */ $theme_json = apply_filters( 'wp_theme_json_data_theme', new WP_Theme_JSON_Data( $theme_json_data, 'theme' ) ); /* * Backward compatibility for extenders returning a WP_Theme_JSON_Data * compatible class that is not a WP_Theme_JSON_Data object. */ if ( $theme_json instanceof WP_Theme_JSON_Data ) { static::$theme = $theme_json->get_theme_json(); } else { $config = $theme_json->get_data(); static::$theme = new WP_Theme_JSON( $config ); } if ( $wp_theme->parent() ) { // Get parent theme.json. $parent_theme_json_file = $wp_theme->parent()->get_file_path( 'theme.json' ); if ( $theme_json_file !== $parent_theme_json_file && is_readable( $parent_theme_json_file ) ) { $parent_theme_json_data = static::read_json_file( $parent_theme_json_file ); $parent_theme_json_data = static::translate( $parent_theme_json_data, $wp_theme->parent()->get( 'TextDomain' ) ); $parent_theme = new WP_Theme_JSON( $parent_theme_json_data ); /* * Merge the child theme.json into the parent theme.json. * The child theme takes precedence over the parent. */ $parent_theme->merge( static::$theme ); static::$theme = $parent_theme; } } } if ( ! $options['with_supports'] ) { return static::$theme; } /* * We want the presets and settings declared in theme.json * to override the ones declared via theme supports. * So we take theme supports, transform it to theme.json shape * and merge the static::$theme upon that. */ $theme_support_data = WP_Theme_JSON::get_from_editor_settings( get_classic_theme_supports_block_editor_settings() ); if ( ! wp_theme_has_theme_json() ) { /* * Unlike block themes, classic themes without a theme.json disable * default presets when custom preset theme support is added. This * behavior can be overridden by using the corresponding default * preset theme support. */ $theme_support_data['settings']['color']['defaultPalette'] = ! isset( $theme_support_data['settings']['color']['palette'] ) || current_theme_supports( 'default-color-palette' ); $theme_support_data['settings']['color']['defaultGradients'] = ! isset( $theme_support_data['settings']['color']['gradients'] ) || current_theme_supports( 'default-gradient-presets' ); $theme_support_data['settings']['typography']['defaultFontSizes'] = ! isset( $theme_support_data['settings']['typography']['fontSizes'] ) || current_theme_supports( 'default-font-sizes' ); $theme_support_data['settings']['spacing']['defaultSpacingSizes'] = ! isset( $theme_support_data['settings']['spacing']['spacingSizes'] ) || current_theme_supports( 'default-spacing-sizes' ); /* * Shadow presets are explicitly disabled for classic themes until a * decision is made for whether the default presets should match the * other presets or if they should be disabled by default in classic * themes. See https://github.com/WordPress/gutenberg/issues/59989. */ $theme_support_data['settings']['shadow']['defaultPresets'] = false; // Allow themes to enable link color setting via theme_support. if ( current_theme_supports( 'link-color' ) ) { $theme_support_data['settings']['color']['link'] = true; } // Allow themes to enable all border settings via theme_support. if ( current_theme_supports( 'border' ) ) { $theme_support_data['settings']['border']['color'] = true; $theme_support_data['settings']['border']['radius'] = true; $theme_support_data['settings']['border']['style'] = true; $theme_support_data['settings']['border']['width'] = true; } // Allow themes to enable appearance tools via theme_support. if ( current_theme_supports( 'appearance-tools' ) ) { $theme_support_data['settings']['appearanceTools'] = true; } } $with_theme_supports = new WP_Theme_JSON( $theme_support_data ); $with_theme_supports->merge( static::$theme ); return $with_theme_supports; } /** * Gets the styles for blocks from the block.json file. * * @since 6.1.0 * * @return WP_Theme_JSON */ public static function get_block_data() { $registry = WP_Block_Type_Registry::get_instance(); $blocks = $registry->get_all_registered(); if ( null !== static::$blocks && static::has_same_registered_blocks( 'blocks' ) ) { return static::$blocks; } $config = array( 'version' => WP_Theme_JSON::LATEST_SCHEMA ); foreach ( $blocks as $block_name => $block_type ) { if ( isset( $block_type->supports['__experimentalStyle'] ) ) { $config['styles']['blocks'][ $block_name ] = static::remove_json_comments( $block_type->supports['__experimentalStyle'] ); } if ( isset( $block_type->supports['spacing']['blockGap']['__experimentalDefault'] ) && ! isset( $config['styles']['blocks'][ $block_name ]['spacing']['blockGap'] ) ) { /* * Ensure an empty placeholder value exists for the block, if it provides a default blockGap value. * The real blockGap value to be used will be determined when the styles are rendered for output. */ $config['styles']['blocks'][ $block_name ]['spacing']['blockGap'] = null; } } /** * Filters the data provided by the blocks for global styles & settings. * * @since 6.1.0 * * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data. */ $theme_json = apply_filters( 'wp_theme_json_data_blocks', new WP_Theme_JSON_Data( $config, 'blocks' ) ); /* * Backward compatibility for extenders returning a WP_Theme_JSON_Data * compatible class that is not a WP_Theme_JSON_Data object. */ if ( $theme_json instanceof WP_Theme_JSON_Data ) { static::$blocks = $theme_json->get_theme_json(); } else { $config = $theme_json->get_data(); static::$blocks = new WP_Theme_JSON( $config, 'blocks' ); } return static::$blocks; } /** * When given an array, this will remove any keys with the name `//`. * * @since 6.1.0 * * @param array $input_array The array to filter. * @return array The filtered array. */ private static function remove_json_comments( $input_array ) { unset( $input_array['//'] ); foreach ( $input_array as $k => $v ) { if ( is_array( $v ) ) { $input_array[ $k ] = static::remove_json_comments( $v ); } } return $input_array; } /** * Returns the custom post type that contains the user's origin config * for the active theme or an empty array if none are found. * * This can also create and return a new draft custom post type. * * @since 5.9.0 * * @param WP_Theme $theme The theme object. If empty, it * defaults to the active theme. * @param bool $create_post Optional. Whether a new custom post * type should be created if none are * found. Default false. * @param array $post_status_filter Optional. Filter custom post type by * post status. Default `array( 'publish' )`, * so it only fetches published posts. * @return array Custom Post Type for the user's origin config. */ public static function get_user_data_from_wp_global_styles( $theme, $create_post = false, $post_status_filter = array( 'publish' ) ) { if ( ! $theme instanceof WP_Theme ) { $theme = wp_get_theme(); } $user_cpt = array(); $post_type_filter = 'wp_global_styles'; $stylesheet = $theme->get_stylesheet(); $args = array( 'posts_per_page' => 1, 'orderby' => 'date', 'order' => 'desc', 'post_type' => $post_type_filter, 'post_status' => $post_status_filter, 'ignore_sticky_posts' => true, 'no_found_rows' => true, 'update_post_meta_cache' => false, 'update_post_term_cache' => false, 'tax_query' => array( array( 'taxonomy' => 'wp_theme', 'field' => 'name', 'terms' => $stylesheet, ), ), ); $global_style_query = new WP_Query(); $recent_posts = $global_style_query->query( $args ); if ( count( $recent_posts ) === 1 && $recent_posts[0] instanceof WP_Post ) { $user_cpt = get_object_vars( $recent_posts[0] ); } elseif ( $create_post ) { $cpt_post_id = wp_insert_post( array( 'post_content' => '{"version": ' . WP_Theme_JSON::LATEST_SCHEMA . ', "isGlobalStylesUserThemeJSON": true }', 'post_status' => 'publish', 'post_title' => 'Custom Styles', // Do not make string translatable, see https://core.trac.wordpress.org/ticket/54518. 'post_type' => $post_type_filter, 'post_name' => sprintf( 'wp-global-styles-%s', urlencode( $stylesheet ) ), 'tax_input' => array( 'wp_theme' => array( $stylesheet ), ), ), true ); if ( ! is_wp_error( $cpt_post_id ) ) { $post = get_post( $cpt_post_id ); if ( $post instanceof WP_Post ) { $user_cpt = get_object_vars( $post ); } } } return $user_cpt; } /** * Returns the user's origin config. * * @since 5.9.0 * @since 6.6.0 The 'isGlobalStylesUserThemeJSON' flag is left on the user data. * Register the block style variations coming from the user data. * * @return WP_Theme_JSON Entity that holds styles for user data. */ public static function get_user_data() { if ( null !== static::$user && static::has_same_registered_blocks( 'user' ) ) { return static::$user; } $config = array(); $user_cpt = static::get_user_data_from_wp_global_styles( wp_get_theme() ); if ( array_key_exists( 'post_content', $user_cpt ) ) { $decoded_data = json_decode( $user_cpt['post_content'], true ); $json_decoding_error = json_last_error(); if ( JSON_ERROR_NONE !== $json_decoding_error ) { wp_trigger_error( __METHOD__, 'Error when decoding a theme.json schema for user data. ' . json_last_error_msg() ); /** * Filters the data provided by the user for global styles & settings. * * @since 6.1.0 * * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data. */ $theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) ); /* * Backward compatibility for extenders returning a WP_Theme_JSON_Data * compatible class that is not a WP_Theme_JSON_Data object. */ if ( $theme_json instanceof WP_Theme_JSON_Data ) { return $theme_json->get_theme_json(); } else { $config = $theme_json->get_data(); return new WP_Theme_JSON( $config, 'custom' ); } } /* * Very important to verify that the flag isGlobalStylesUserThemeJSON is true. * If it's not true then the content was not escaped and is not safe. */ if ( is_array( $decoded_data ) && isset( $decoded_data['isGlobalStylesUserThemeJSON'] ) && $decoded_data['isGlobalStylesUserThemeJSON'] ) { unset( $decoded_data['isGlobalStylesUserThemeJSON'] ); $config = $decoded_data; } } /** This filter is documented in wp-includes/class-wp-theme-json-resolver.php */ $theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) ); /* * Backward compatibility for extenders returning a WP_Theme_JSON_Data * compatible class that is not a WP_Theme_JSON_Data object. */ if ( $theme_json instanceof WP_Theme_JSON_Data ) { static::$user = $theme_json->get_theme_json(); } else { $config = $theme_json->get_data(); static::$user = new WP_Theme_JSON( $config, 'custom' ); } return static::$user; } /** * Returns the data merged from multiple origins. * * There are four sources of data (origins) for a site: * * - default => WordPress * - blocks => each one of the blocks provides data for itself * - theme => the active theme * - custom => data provided by the user * * The custom's has higher priority than the theme's, the theme's higher than blocks', * and block's higher than default's. * * Unlike the getters * {@link https://developer.wordpress.org/reference/classes/wp_theme_json_resolver/get_core_data/ get_core_data}, * {@link https://developer.wordpress.org/reference/classes/wp_theme_json_resolver/get_theme_data/ get_theme_data}, * and {@link https://developer.wordpress.org/reference/classes/wp_theme_json_resolver/get_user_data/ get_user_data}, * this method returns data after it has been merged with the previous origins. * This means that if the same piece of data is declared in different origins * (default, blocks, theme, custom), the last origin overrides the previous. * * For example, if the user has set a background color * for the paragraph block, and the theme has done it as well, * the user preference wins. * * @since 5.8.0 * @since 5.9.0 Added user data, removed the `$settings` parameter, * added the `$origin` parameter. * @since 6.1.0 Added block data and generation of spacingSizes array. * @since 6.2.0 Changed ' $origin' parameter values to 'default', 'blocks', 'theme' or 'custom'. * * @param string $origin Optional. To what level should we merge data: 'default', 'blocks', 'theme' or 'custom'. * 'custom' is used as default value as well as fallback value if the origin is unknown. * @return WP_Theme_JSON */ public static function get_merged_data( $origin = 'custom' ) { if ( is_array( $origin ) ) { _deprecated_argument( __FUNCTION__, '5.9.0' ); } $result = new WP_Theme_JSON(); $result->merge( static::get_core_data() ); if ( 'default' === $origin ) { return $result; } $result->merge( static::get_block_data() ); if ( 'blocks' === $origin ) { return $result; } $result->merge( static::get_theme_data() ); if ( 'theme' === $origin ) { return $result; } $result->merge( static::get_user_data() ); return $result; } /** * Returns the ID of the custom post type * that stores user data. * * @since 5.9.0 * * @return int|null ID for a post of type `wp_global_styles`, or null if not available. */ public static function get_user_global_styles_post_id() { if ( null !== static::$user_custom_post_type_id ) { return static::$user_custom_post_type_id; } $user_cpt = static::get_user_data_from_wp_global_styles( wp_get_theme(), true ); if ( array_key_exists( 'ID', $user_cpt ) ) { static::$user_custom_post_type_id = $user_cpt['ID']; } return static::$user_custom_post_type_id; } /** * Determines whether the active theme has a theme.json file. * * @since 5.8.0 * @since 5.9.0 Added a check in the parent theme. * @deprecated 6.2.0 Use wp_theme_has_theme_json() instead. * * @return bool Whether the active theme has a theme.json file. */ public static function theme_has_support() { _deprecated_function( __METHOD__, '6.2.0', 'wp_theme_has_theme_json()' ); return wp_theme_has_theme_json(); } /** * Builds the path to the given file and checks that it is readable. * * If it isn't, returns an empty string, otherwise returns the whole file path. * * @since 5.8.0 * @since 5.9.0 Adapted to work with child themes, added the `$template` argument. * * @param string $file_name Name of the file. * @param bool $template Optional. Use template theme directory. Default false. * @return string The whole file path or empty if the file doesn't exist. */ protected static function get_file_path_from_theme( $file_name, $template = false ) { $path = $template ? get_template_directory() : get_stylesheet_directory(); $candidate = $path . '/' . $file_name; return is_readable( $candidate ) ? $candidate : ''; } /** * Cleans the cached data so it can be recalculated. * * @since 5.8.0 * @since 5.9.0 Added the `$user`, `$user_custom_post_type_id`, * and `$i18n_schema` variables to reset. * @since 6.1.0 Added the `$blocks` and `$blocks_cache` variables * to reset. */ public static function clean_cached_data() { static::$core = null; static::$blocks = null; static::$blocks_cache = array( 'core' => array(), 'blocks' => array(), 'theme' => array(), 'user' => array(), ); static::$theme = null; static::$user = null; static::$user_custom_post_type_id = null; static::$i18n_schema = null; } /** * Returns an array of all nested JSON files within a given directory. * * @since 6.2.0 * * @param string $dir The directory to recursively iterate and list files of. * @return array The merged array. */ private static function recursively_iterate_json( $dir ) { $nested_files = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $dir ) ); $nested_json_files = iterator_to_array( new RegexIterator( $nested_files, '/^.+\.json$/i', RecursiveRegexIterator::GET_MATCH ) ); return $nested_json_files; } /** * Determines if a supplied style variation matches the provided scope. * * For backwards compatibility, if a variation does not define any scope * related property, e.g. `blockTypes`, it is assumed to be a theme style * variation. * * @since 6.6.0 * * @param array $variation Theme.json shaped style variation object. * @param string $scope Scope to check e.g. theme, block etc. * @return bool Whether the supplied style variation matches the provided scope. */ private static function style_variation_has_scope( $variation, $scope ) { if ( 'block' === $scope ) { return isset( $variation['blockTypes'] ); } if ( 'theme' === $scope ) { return ! isset( $variation['blockTypes'] ); } return false; } /** * Returns the style variations defined by the theme. * * @since 6.0.0 * @since 6.2.0 Returns parent theme variations if theme is a child. * @since 6.6.0 Added configurable scope parameter to allow filtering * theme.json partial files by the scope to which they * can be applied e.g. theme vs block etc. * Added basic caching for read theme.json partial files. * * @param string $scope The scope or type of style variation to retrieve e.g. theme, block etc. * @return array The style variations defined by the theme. */ public static function get_style_variations( $scope = 'theme' ) { $variation_files = array(); $variations = array(); $base_directory = get_stylesheet_directory() . '/styles'; $template_directory = get_template_directory() . '/styles'; if ( is_dir( $base_directory ) ) { $variation_files = static::recursively_iterate_json( $base_directory ); } if ( is_dir( $template_directory ) && $template_directory !== $base_directory ) { $variation_files_parent = static::recursively_iterate_json( $template_directory ); // If the child and parent variation file basename are the same, only include the child theme's. foreach ( $variation_files_parent as $parent_path => $parent ) { foreach ( $variation_files as $child_path => $child ) { if ( basename( $parent_path ) === basename( $child_path ) ) { unset( $variation_files_parent[ $parent_path ] ); } } } $variation_files = array_merge( $variation_files, $variation_files_parent ); } ksort( $variation_files ); foreach ( $variation_files as $path => $file ) { $decoded_file = self::read_json_file( $path ); if ( is_array( $decoded_file ) && static::style_variation_has_scope( $decoded_file, $scope ) ) { $translated = static::translate( $decoded_file, wp_get_theme()->get( 'TextDomain' ) ); $variation = ( new WP_Theme_JSON( $translated ) )->get_raw_data(); if ( empty( $variation['title'] ) ) { $variation['title'] = basename( $path, '.json' ); } $variations[] = $variation; } } return $variations; } /** * Resolves relative paths in theme.json styles to theme absolute paths * and returns them in an array that can be embedded * as the value of `_link` object in REST API responses. * * @since 6.6.0 * @since 6.7.0 Resolve relative paths in block styles. * * @param WP_Theme_JSON $theme_json A theme json instance. * @return array An array of resolved paths. */ public static function get_resolved_theme_uris( $theme_json ) { $resolved_theme_uris = array(); if ( ! $theme_json instanceof WP_Theme_JSON ) { return $resolved_theme_uris; } $theme_json_data = $theme_json->get_raw_data(); /* * The same file convention when registering web fonts. * See: WP_Font_Face_Resolver::to_theme_file_uri. */ $placeholder = 'file:./'; // Top level styles. $background_image_url = $theme_json_data['styles']['background']['backgroundImage']['url'] ?? null; if ( isset( $background_image_url ) && is_string( $background_image_url ) && // Skip if the src doesn't start with the placeholder, as there's nothing to replace. str_starts_with( $background_image_url, $placeholder ) ) { $file_type = wp_check_filetype( $background_image_url ); $src_url = str_replace( $placeholder, '', $background_image_url ); $resolved_theme_uri = array( 'name' => $background_image_url, 'href' => sanitize_url( get_theme_file_uri( $src_url ) ), 'target' => 'styles.background.backgroundImage.url', ); if ( isset( $file_type['type'] ) ) { $resolved_theme_uri['type'] = $file_type['type']; } $resolved_theme_uris[] = $resolved_theme_uri; } // Block styles. if ( ! empty( $theme_json_data['styles']['blocks'] ) ) { foreach ( $theme_json_data['styles']['blocks'] as $block_name => $block_styles ) { if ( ! isset( $block_styles['background']['backgroundImage']['url'] ) ) { continue; } $background_image_url = $block_styles['background']['backgroundImage']['url']; if ( is_string( $background_image_url ) && // Skip if the src doesn't start with the placeholder, as there's nothing to replace. str_starts_with( $background_image_url, $placeholder ) ) { $file_type = wp_check_filetype( $background_image_url ); $src_url = str_replace( $placeholder, '', $background_image_url ); $resolved_theme_uri = array( 'name' => $background_image_url, 'href' => sanitize_url( get_theme_file_uri( $src_url ) ), 'target' => "styles.blocks.{$block_name}.background.backgroundImage.url", ); if ( isset( $file_type['type'] ) ) { $resolved_theme_uri['type'] = $file_type['type']; } $resolved_theme_uris[] = $resolved_theme_uri; } } } return $resolved_theme_uris; } /** * Resolves relative paths in theme.json styles to theme absolute paths * and merges them with incoming theme JSON. * * @since 6.6.0 * * @param WP_Theme_JSON $theme_json A theme json instance. * @return WP_Theme_JSON Theme merged with resolved paths, if any found. */ public static function resolve_theme_file_uris( $theme_json ) { $resolved_urls = static::get_resolved_theme_uris( $theme_json ); if ( empty( $resolved_urls ) ) { return $theme_json; } $resolved_theme_json_data = $theme_json->get_raw_data(); foreach ( $resolved_urls as $resolved_url ) { $path = explode( '.', $resolved_url['target'] ); _wp_array_set( $resolved_theme_json_data, $path, $resolved_url['href'] ); } return new WP_Theme_JSON( $resolved_theme_json_data ); } /** * Adds variations sourced from block style variations files to the supplied theme.json data. * * @since 6.6.0 * * @param array $data Array following the theme.json specification. * @param array $variations Shared block style variations. * @return array Theme json data including shared block style variation definitions. */ private static function inject_variations_from_block_style_variation_files( $data, $variations ) { if ( empty( $variations ) ) { return $data; } foreach ( $variations as $variation ) { if ( empty( $variation['styles'] ) || empty( $variation['blockTypes'] ) ) { continue; } $variation_name = $variation['slug'] ?? _wp_to_kebab_case( $variation['title'] ); foreach ( $variation['blockTypes'] as $block_type ) { // First, override partial styles with any top-level styles. $top_level_data = $data['styles']['variations'][ $variation_name ] ?? array(); if ( ! empty( $top_level_data ) ) { $variation['styles'] = array_replace_recursive( $variation['styles'], $top_level_data ); } // Then, override styles so far with any block-level styles. $block_level_data = $data['styles']['blocks'][ $block_type ]['variations'][ $variation_name ] ?? array(); if ( ! empty( $block_level_data ) ) { $variation['styles'] = array_replace_recursive( $variation['styles'], $block_level_data ); } $path = array( 'styles', 'blocks', $block_type, 'variations', $variation_name ); _wp_array_set( $data, $path, $variation['styles'] ); } } return $data; } /** * Adds variations sourced from the block styles registry to the supplied theme.json data. * * @since 6.6.0 * * @param array $data Array following the theme.json specification. * @return array Theme json data including shared block style variation definitions. */ private static function inject_variations_from_block_styles_registry( $data ) { $registry = WP_Block_Styles_Registry::get_instance(); $styles = $registry->get_all_registered(); foreach ( $styles as $block_type => $variations ) { foreach ( $variations as $variation_name => $variation ) { if ( empty( $variation['style_data'] ) ) { continue; } // First, override registry styles with any top-level styles. $top_level_data = $data['styles']['variations'][ $variation_name ] ?? array(); if ( ! empty( $top_level_data ) ) { $variation['style_data'] = array_replace_recursive( $variation['style_data'], $top_level_data ); } // Then, override styles so far with any block-level styles. $block_level_data = $data['styles']['blocks'][ $block_type ]['variations'][ $variation_name ] ?? array(); if ( ! empty( $block_level_data ) ) { $variation['style_data'] = array_replace_recursive( $variation['style_data'], $block_level_data ); } $path = array( 'styles', 'blocks', $block_type, 'variations', $variation_name ); _wp_array_set( $data, $path, $variation['style_data'] ); } } return $data; } }