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Current Path : /home/r6536736/public_html/soukisougyo.com/wp-includes/ |
Current File : /home/r6536736/public_html/soukisougyo.com/wp-includes/class-wp-theme-json.php |
<?php /** * WP_Theme_JSON class * * @package WordPress * @subpackage Theme * @since 5.8.0 */ /** * Class that encapsulates the processing of structures that adhere to the theme.json spec. * * 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 */ class WP_Theme_JSON { /** * Container of data in theme.json format. * * @since 5.8.0 * @var array */ protected $theme_json = null; /** * Holds block metadata extracted from block.json * to be shared among all instances so we don't * process it twice. * * @since 5.8.0 * @var array */ protected static $blocks_metadata = null; /** * The CSS selector for the top-level styles. * * @since 5.8.0 * @var string */ const ROOT_BLOCK_SELECTOR = 'body'; /** * The sources of data this object can represent. * * @since 5.8.0 * @var string[] */ const VALID_ORIGINS = array( 'default', 'theme', 'custom', ); /** * Presets are a set of values that serve * to bootstrap some styles: colors, font sizes, etc. * * They are a unkeyed array of values such as: * * ```php * array( * array( * 'slug' => 'unique-name-within-the-set', * 'name' => 'Name for the UI', * <value_key> => 'value' * ), * ) * ``` * * This contains the necessary metadata to process them: * * - path => Where to find the preset within the settings section. * - prevent_override => Disables override of default presets by theme presets. * The relationship between whether to override the defaults * and whether the defaults are enabled is inverse: * - If defaults are enabled => theme presets should not be overriden * - If defaults are disabled => theme presets should be overriden * For example, a theme sets defaultPalette to false, * making the default palette hidden from the user. * In that case, we want all the theme presets to be present, * so they should override the defaults by setting this false. * - use_default_names => whether to use the default names * - value_key => the key that represents the value * - value_func => optionally, instead of value_key, a function to generate * the value that takes a preset as an argument * (either value_key or value_func should be present) * - css_vars => template string to use in generating the CSS Custom Property. * Example output: "--wp--preset--duotone--blue: <value>" will generate as many CSS Custom Properties as presets defined * substituting the $slug for the slug's value for each preset value. * - classes => array containing a structure with the classes to * generate for the presets, where for each array item * the key is the class name and the value the property name. * The "$slug" substring will be replaced by the slug of each preset. * For example: * 'classes' => array( * '.has-$slug-color' => 'color', * '.has-$slug-background-color' => 'background-color', * '.has-$slug-border-color' => 'border-color', * ) * - properties => array of CSS properties to be used by kses to * validate the content of each preset * by means of the remove_insecure_properties method. * * @since 5.8.0 * @since 5.9.0 Added the `color.duotone` and `typography.fontFamilies` presets, * `use_default_names` preset key, and simplified the metadata structure. * @since 6.0.0 Replaced `override` with `prevent_override` and updated the * `prevent_overried` value for `color.duotone` to use `color.defaultDuotone`. * @var array */ const PRESETS_METADATA = array( array( 'path' => array( 'color', 'palette' ), 'prevent_override' => array( 'color', 'defaultPalette' ), 'use_default_names' => false, 'value_key' => 'color', 'css_vars' => '--wp--preset--color--$slug', 'classes' => array( '.has-$slug-color' => 'color', '.has-$slug-background-color' => 'background-color', '.has-$slug-border-color' => 'border-color', ), 'properties' => array( 'color', 'background-color', 'border-color' ), ), array( 'path' => array( 'color', 'gradients' ), 'prevent_override' => array( 'color', 'defaultGradients' ), 'use_default_names' => false, 'value_key' => 'gradient', 'css_vars' => '--wp--preset--gradient--$slug', 'classes' => array( '.has-$slug-gradient-background' => 'background' ), 'properties' => array( 'background' ), ), array( 'path' => array( 'color', 'duotone' ), 'prevent_override' => array( 'color', 'defaultDuotone' ), 'use_default_names' => false, 'value_func' => 'wp_get_duotone_filter_property', 'css_vars' => '--wp--preset--duotone--$slug', 'classes' => array(), 'properties' => array( 'filter' ), ), array( 'path' => array( 'typography', 'fontSizes' ), 'prevent_override' => false, 'use_default_names' => true, 'value_key' => 'size', 'css_vars' => '--wp--preset--font-size--$slug', 'classes' => array( '.has-$slug-font-size' => 'font-size' ), 'properties' => array( 'font-size' ), ), array( 'path' => array( 'typography', 'fontFamilies' ), 'prevent_override' => false, 'use_default_names' => false, 'value_key' => 'fontFamily', 'css_vars' => '--wp--preset--font-family--$slug', 'classes' => array( '.has-$slug-font-family' => 'font-family' ), 'properties' => array( 'font-family' ), ), ); /** * Metadata for style properties. * * Each element is a direct mapping from the CSS property name to the * path to the value in theme.json & block attributes. * * @since 5.8.0 * @since 5.9.0 Added the `border-*`, `font-family`, `font-style`, `font-weight`, * `letter-spacing`, `margin-*`, `padding-*`, `--wp--style--block-gap`, * `text-decoration`, `text-transform`, and `filter` properties, * simplified the metadata structure. * @var array */ const PROPERTIES_METADATA = array( 'background' => array( 'color', 'gradient' ), 'background-color' => array( 'color', 'background' ), 'border-radius' => array( 'border', 'radius' ), 'border-top-left-radius' => array( 'border', 'radius', 'topLeft' ), 'border-top-right-radius' => array( 'border', 'radius', 'topRight' ), 'border-bottom-left-radius' => array( 'border', 'radius', 'bottomLeft' ), 'border-bottom-right-radius' => array( 'border', 'radius', 'bottomRight' ), 'border-color' => array( 'border', 'color' ), 'border-width' => array( 'border', 'width' ), 'border-style' => array( 'border', 'style' ), 'color' => array( 'color', 'text' ), 'font-family' => array( 'typography', 'fontFamily' ), 'font-size' => array( 'typography', 'fontSize' ), 'font-style' => array( 'typography', 'fontStyle' ), 'font-weight' => array( 'typography', 'fontWeight' ), 'letter-spacing' => array( 'typography', 'letterSpacing' ), 'line-height' => array( 'typography', 'lineHeight' ), 'margin' => array( 'spacing', 'margin' ), 'margin-top' => array( 'spacing', 'margin', 'top' ), 'margin-right' => array( 'spacing', 'margin', 'right' ), 'margin-bottom' => array( 'spacing', 'margin', 'bottom' ), 'margin-left' => array( 'spacing', 'margin', 'left' ), 'padding' => array( 'spacing', 'padding' ), 'padding-top' => array( 'spacing', 'padding', 'top' ), 'padding-right' => array( 'spacing', 'padding', 'right' ), 'padding-bottom' => array( 'spacing', 'padding', 'bottom' ), 'padding-left' => array( 'spacing', 'padding', 'left' ), '--wp--style--block-gap' => array( 'spacing', 'blockGap' ), 'text-decoration' => array( 'typography', 'textDecoration' ), 'text-transform' => array( 'typography', 'textTransform' ), 'filter' => array( 'filter', 'duotone' ), ); /** * Protected style properties. * * These style properties are only rendered if a setting enables it * via a value other than `null`. * * Each element maps the style property to the corresponding theme.json * setting key. * * @since 5.9.0 */ const PROTECTED_PROPERTIES = array( 'spacing.blockGap' => array( 'spacing', 'blockGap' ), ); /** * The top-level keys a theme.json can have. * * @since 5.8.0 As `ALLOWED_TOP_LEVEL_KEYS`. * @since 5.9.0 Renamed from `ALLOWED_TOP_LEVEL_KEYS` to `VALID_TOP_LEVEL_KEYS`, * added the `customTemplates` and `templateParts` values. * @var string[] */ const VALID_TOP_LEVEL_KEYS = array( 'customTemplates', 'patterns', 'settings', 'styles', 'templateParts', 'version', 'title', ); /** * The valid properties under the settings key. * * @since 5.8.0 As `ALLOWED_SETTINGS`. * @since 5.9.0 Renamed from `ALLOWED_SETTINGS` to `VALID_SETTINGS`, * added new properties for `border`, `color`, `spacing`, * and `typography`, and renamed others according to the new schema. * @since 6.0.0 Added `color.defaultDuotone`. * @var array */ const VALID_SETTINGS = array( 'appearanceTools' => null, 'border' => array( 'color' => null, 'radius' => null, 'style' => null, 'width' => null, ), 'color' => array( 'background' => null, 'custom' => null, 'customDuotone' => null, 'customGradient' => null, 'defaultDuotone' => null, 'defaultGradients' => null, 'defaultPalette' => null, 'duotone' => null, 'gradients' => null, 'link' => null, 'palette' => null, 'text' => null, ), 'custom' => null, 'layout' => array( 'contentSize' => null, 'wideSize' => null, ), 'spacing' => array( 'blockGap' => null, 'margin' => null, 'padding' => null, 'units' => null, ), 'typography' => array( 'customFontSize' => null, 'dropCap' => null, 'fontFamilies' => null, 'fontSizes' => null, 'fontStyle' => null, 'fontWeight' => null, 'letterSpacing' => null, 'lineHeight' => null, 'textDecoration' => null, 'textTransform' => null, ), ); /** * The valid properties under the styles key. * * @since 5.8.0 As `ALLOWED_STYLES`. * @since 5.9.0 Renamed from `ALLOWED_STYLES` to `VALID_STYLES`, * added new properties for `border`, `filter`, `spacing`, * and `typography`. * @var array */ const VALID_STYLES = array( 'border' => array( 'color' => null, 'radius' => null, 'style' => null, 'width' => null, ), 'color' => array( 'background' => null, 'gradient' => null, 'text' => null, ), 'filter' => array( 'duotone' => null, ), 'spacing' => array( 'margin' => null, 'padding' => null, 'blockGap' => 'top', ), 'typography' => array( 'fontFamily' => null, 'fontSize' => null, 'fontStyle' => null, 'fontWeight' => null, 'letterSpacing' => null, 'lineHeight' => null, 'textDecoration' => null, 'textTransform' => null, ), ); /** * The valid elements that can be found under styles. * * @since 5.8.0 * @var string[] */ const ELEMENTS = array( 'link' => 'a', 'h1' => 'h1', 'h2' => 'h2', 'h3' => 'h3', 'h4' => 'h4', 'h5' => 'h5', 'h6' => 'h6', ); /** * Options that settings.appearanceTools enables. * * @since 6.0.0 * @var array */ const APPEARANCE_TOOLS_OPT_INS = array( array( 'border', 'color' ), array( 'border', 'radius' ), array( 'border', 'style' ), array( 'border', 'width' ), array( 'color', 'link' ), array( 'spacing', 'blockGap' ), array( 'spacing', 'margin' ), array( 'spacing', 'padding' ), array( 'typography', 'lineHeight' ), ); /** * The latest version of the schema in use. * * @since 5.8.0 * @since 5.9.0 Changed value from 1 to 2. * @var int */ const LATEST_SCHEMA = 2; /** * Constructor. * * @since 5.8.0 * * @param array $theme_json A structure that follows the theme.json schema. * @param string $origin Optional. What source of data this object represents. * One of 'default', 'theme', or 'custom'. Default 'theme'. */ public function __construct( $theme_json = array(), $origin = 'theme' ) { if ( ! in_array( $origin, static::VALID_ORIGINS, true ) ) { $origin = 'theme'; } $this->theme_json = WP_Theme_JSON_Schema::migrate( $theme_json ); $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); $theme_json = static::sanitize( $this->theme_json, $valid_block_names, $valid_element_names ); $this->theme_json = static::maybe_opt_in_into_settings( $theme_json ); // Internally, presets are keyed by origin. $nodes = static::get_setting_nodes( $this->theme_json ); foreach ( $nodes as $node ) { foreach ( static::PRESETS_METADATA as $preset_metadata ) { $path = array_merge( $node['path'], $preset_metadata['path'] ); $preset = _wp_array_get( $this->theme_json, $path, null ); if ( null !== $preset ) { // If the preset is not already keyed by origin. if ( isset( $preset[0] ) || empty( $preset ) ) { _wp_array_set( $this->theme_json, $path, array( $origin => $preset ) ); } } } } } /** * Enables some opt-in settings if theme declared support. * * @since 5.9.0 * * @param array $theme_json A theme.json structure to modify. * @return array The modified theme.json structure. */ protected static function maybe_opt_in_into_settings( $theme_json ) { $new_theme_json = $theme_json; if ( isset( $new_theme_json['settings']['appearanceTools'] ) && true === $new_theme_json['settings']['appearanceTools'] ) { static::do_opt_in_into_settings( $new_theme_json['settings'] ); } if ( isset( $new_theme_json['settings']['blocks'] ) && is_array( $new_theme_json['settings']['blocks'] ) ) { foreach ( $new_theme_json['settings']['blocks'] as &$block ) { if ( isset( $block['appearanceTools'] ) && ( true === $block['appearanceTools'] ) ) { static::do_opt_in_into_settings( $block ); } } } return $new_theme_json; } /** * Enables some settings. * * @since 5.9.0 * * @param array $context The context to which the settings belong. */ protected static function do_opt_in_into_settings( &$context ) { foreach ( static::APPEARANCE_TOOLS_OPT_INS as $path ) { // Use "unset prop" as a marker instead of "null" because // "null" can be a valid value for some props (e.g. blockGap). if ( 'unset prop' === _wp_array_get( $context, $path, 'unset prop' ) ) { _wp_array_set( $context, $path, true ); } } unset( $context['appearanceTools'] ); } /** * Sanitizes the input according to the schemas. * * @since 5.8.0 * @since 5.9.0 Added the `$valid_block_names` and `$valid_element_name` parameters. * * @param array $input Structure to sanitize. * @param array $valid_block_names List of valid block names. * @param array $valid_element_names List of valid element names. * @return array The sanitized output. */ protected static function sanitize( $input, $valid_block_names, $valid_element_names ) { $output = array(); if ( ! is_array( $input ) ) { return $output; } $output = array_intersect_key( $input, array_flip( static::VALID_TOP_LEVEL_KEYS ) ); // Some styles are only meant to be available at the top-level (e.g.: blockGap), // hence, the schema for blocks & elements should not have them. $styles_non_top_level = static::VALID_STYLES; foreach ( array_keys( $styles_non_top_level ) as $section ) { foreach ( array_keys( $styles_non_top_level[ $section ] ) as $prop ) { if ( 'top' === $styles_non_top_level[ $section ][ $prop ] ) { unset( $styles_non_top_level[ $section ][ $prop ] ); } } } // Build the schema based on valid block & element names. $schema = array(); $schema_styles_elements = array(); foreach ( $valid_element_names as $element ) { $schema_styles_elements[ $element ] = $styles_non_top_level; } $schema_styles_blocks = array(); $schema_settings_blocks = array(); foreach ( $valid_block_names as $block ) { $schema_settings_blocks[ $block ] = static::VALID_SETTINGS; $schema_styles_blocks[ $block ] = $styles_non_top_level; $schema_styles_blocks[ $block ]['elements'] = $schema_styles_elements; } $schema['styles'] = static::VALID_STYLES; $schema['styles']['blocks'] = $schema_styles_blocks; $schema['styles']['elements'] = $schema_styles_elements; $schema['settings'] = static::VALID_SETTINGS; $schema['settings']['blocks'] = $schema_settings_blocks; // Remove anything that's not present in the schema. foreach ( array( 'styles', 'settings' ) as $subtree ) { if ( ! isset( $input[ $subtree ] ) ) { continue; } if ( ! is_array( $input[ $subtree ] ) ) { unset( $output[ $subtree ] ); continue; } $result = static::remove_keys_not_in_schema( $input[ $subtree ], $schema[ $subtree ] ); if ( empty( $result ) ) { unset( $output[ $subtree ] ); } else { $output[ $subtree ] = $result; } } return $output; } /** * Returns the metadata for each block. * * Example: * * { * 'core/paragraph': { * 'selector': 'p', * 'elements': { * 'link' => 'link selector', * 'etc' => 'element selector' * } * }, * 'core/heading': { * 'selector': 'h1', * 'elements': {} * }, * 'core/image': { * 'selector': '.wp-block-image', * 'duotone': 'img', * 'elements': {} * } * } * * @since 5.8.0 * @since 5.9.0 Added `duotone` key with CSS selector. * * @return array Block metadata. */ protected static function get_blocks_metadata() { if ( null !== static::$blocks_metadata ) { return static::$blocks_metadata; } static::$blocks_metadata = array(); $registry = WP_Block_Type_Registry::get_instance(); $blocks = $registry->get_all_registered(); foreach ( $blocks as $block_name => $block_type ) { if ( isset( $block_type->supports['__experimentalSelector'] ) && is_string( $block_type->supports['__experimentalSelector'] ) ) { static::$blocks_metadata[ $block_name ]['selector'] = $block_type->supports['__experimentalSelector']; } else { static::$blocks_metadata[ $block_name ]['selector'] = '.wp-block-' . str_replace( '/', '-', str_replace( 'core/', '', $block_name ) ); } if ( isset( $block_type->supports['color']['__experimentalDuotone'] ) && is_string( $block_type->supports['color']['__experimentalDuotone'] ) ) { static::$blocks_metadata[ $block_name ]['duotone'] = $block_type->supports['color']['__experimentalDuotone']; } // Assign defaults, then overwrite those that the block sets by itself. // If the block selector is compounded, will append the element to each // individual block selector. $block_selectors = explode( ',', static::$blocks_metadata[ $block_name ]['selector'] ); foreach ( static::ELEMENTS as $el_name => $el_selector ) { $element_selector = array(); foreach ( $block_selectors as $selector ) { $element_selector[] = $selector . ' ' . $el_selector; } static::$blocks_metadata[ $block_name ]['elements'][ $el_name ] = implode( ',', $element_selector ); } } return static::$blocks_metadata; } /** * Given a tree, removes the keys that are not present in the schema. * * It is recursive and modifies the input in-place. * * @since 5.8.0 * * @param array $tree Input to process. * @param array $schema Schema to adhere to. * @return array Returns the modified $tree. */ protected static function remove_keys_not_in_schema( $tree, $schema ) { $tree = array_intersect_key( $tree, $schema ); foreach ( $schema as $key => $data ) { if ( ! isset( $tree[ $key ] ) ) { continue; } if ( is_array( $schema[ $key ] ) && is_array( $tree[ $key ] ) ) { $tree[ $key ] = static::remove_keys_not_in_schema( $tree[ $key ], $schema[ $key ] ); if ( empty( $tree[ $key ] ) ) { unset( $tree[ $key ] ); } } elseif ( is_array( $schema[ $key ] ) && ! is_array( $tree[ $key ] ) ) { unset( $tree[ $key ] ); } } return $tree; } /** * Returns the existing settings for each block. * * Example: * * { * 'root': { * 'color': { * 'custom': true * } * }, * 'core/paragraph': { * 'spacing': { * 'customPadding': true * } * } * } * * @since 5.8.0 * * @return array Settings per block. */ public function get_settings() { if ( ! isset( $this->theme_json['settings'] ) ) { return array(); } else { return $this->theme_json['settings']; } } /** * Returns the stylesheet that results of processing * the theme.json structure this object represents. * * @since 5.8.0 * @since 5.9.0 Removed the `$type` parameter`, added the `$types` and `$origins` parameters. * * @param array $types Types of styles to load. Will load all by default. It accepts: * - `variables`: only the CSS Custom Properties for presets & custom ones. * - `styles`: only the styles section in theme.json. * - `presets`: only the classes for the presets. * @param array $origins A list of origins to include. By default it includes VALID_ORIGINS. * @return string Stylesheet. */ public function get_stylesheet( $types = array( 'variables', 'styles', 'presets' ), $origins = null ) { if ( null === $origins ) { $origins = static::VALID_ORIGINS; } if ( is_string( $types ) ) { // Dispatch error and map old arguments to new ones. _deprecated_argument( __FUNCTION__, '5.9.0' ); if ( 'block_styles' === $types ) { $types = array( 'styles', 'presets' ); } elseif ( 'css_variables' === $types ) { $types = array( 'variables' ); } else { $types = array( 'variables', 'styles', 'presets' ); } } $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $this->theme_json, $blocks_metadata ); $setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata ); $stylesheet = ''; if ( in_array( 'variables', $types, true ) ) { $stylesheet .= $this->get_css_variables( $setting_nodes, $origins ); } if ( in_array( 'styles', $types, true ) ) { $stylesheet .= $this->get_block_classes( $style_nodes ); } if ( in_array( 'presets', $types, true ) ) { $stylesheet .= $this->get_preset_classes( $setting_nodes, $origins ); } return $stylesheet; } /** * Returns the page templates of the active theme. * * @since 5.9.0 * * @return array */ public function get_custom_templates() { $custom_templates = array(); if ( ! isset( $this->theme_json['customTemplates'] ) || ! is_array( $this->theme_json['customTemplates'] ) ) { return $custom_templates; } foreach ( $this->theme_json['customTemplates'] as $item ) { if ( isset( $item['name'] ) ) { $custom_templates[ $item['name'] ] = array( 'title' => isset( $item['title'] ) ? $item['title'] : '', 'postTypes' => isset( $item['postTypes'] ) ? $item['postTypes'] : array( 'page' ), ); } } return $custom_templates; } /** * Returns the template part data of active theme. * * @since 5.9.0 * * @return array */ public function get_template_parts() { $template_parts = array(); if ( ! isset( $this->theme_json['templateParts'] ) || ! is_array( $this->theme_json['templateParts'] ) ) { return $template_parts; } foreach ( $this->theme_json['templateParts'] as $item ) { if ( isset( $item['name'] ) ) { $template_parts[ $item['name'] ] = array( 'title' => isset( $item['title'] ) ? $item['title'] : '', 'area' => isset( $item['area'] ) ? $item['area'] : '', ); } } return $template_parts; } /** * Converts each style section into a list of rulesets * containing the block styles to be appended to the stylesheet. * * See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax * * For each section this creates a new ruleset such as: * * block-selector { * style-property-one: value; * } * * @since 5.8.0 As `get_block_styles()`. * @since 5.9.0 Renamed from `get_block_styles()` to `get_block_classes()` * and no longer returns preset classes. * Removed the `$setting_nodes` parameter. * * @param array $style_nodes Nodes with styles. * @return string The new stylesheet. */ protected function get_block_classes( $style_nodes ) { $block_rules = ''; foreach ( $style_nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $selector = $metadata['selector']; $settings = _wp_array_get( $this->theme_json, array( 'settings' ) ); $declarations = static::compute_style_properties( $node, $settings ); // 1. Separate the ones who use the general selector // and the ones who use the duotone selector. $declarations_duotone = array(); foreach ( $declarations as $index => $declaration ) { if ( 'filter' === $declaration['name'] ) { unset( $declarations[ $index ] ); $declarations_duotone[] = $declaration; } } /* * Reset default browser margin on the root body element. * This is set on the root selector **before** generating the ruleset * from the `theme.json`. This is to ensure that if the `theme.json` declares * `margin` in its `spacing` declaration for the `body` element then these * user-generated values take precedence in the CSS cascade. * @link https://github.com/WordPress/gutenberg/issues/36147. */ if ( static::ROOT_BLOCK_SELECTOR === $selector ) { $block_rules .= 'body { margin: 0; }'; } // 2. Generate the rules that use the general selector. $block_rules .= static::to_ruleset( $selector, $declarations ); // 3. Generate the rules that use the duotone selector. if ( isset( $metadata['duotone'] ) && ! empty( $declarations_duotone ) ) { $selector_duotone = static::scope_selector( $metadata['selector'], $metadata['duotone'] ); $block_rules .= static::to_ruleset( $selector_duotone, $declarations_duotone ); } if ( static::ROOT_BLOCK_SELECTOR === $selector ) { $block_rules .= '.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }'; $block_rules .= '.wp-site-blocks > .alignright { float: right; margin-left: 2em; }'; $block_rules .= '.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; $has_block_gap_support = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'blockGap' ) ) !== null; if ( $has_block_gap_support ) { $block_rules .= '.wp-site-blocks > * { margin-block-start: 0; margin-block-end: 0; }'; $block_rules .= '.wp-site-blocks > * + * { margin-block-start: var( --wp--style--block-gap ); }'; } } } return $block_rules; } /** * Creates new rulesets as classes for each preset value such as: * * .has-value-color { * color: value; * } * * .has-value-background-color { * background-color: value; * } * * .has-value-font-size { * font-size: value; * } * * .has-value-gradient-background { * background: value; * } * * p.has-value-gradient-background { * background: value; * } * * @since 5.9.0 * * @param array $setting_nodes Nodes with settings. * @param array $origins List of origins to process presets from. * @return string The new stylesheet. */ protected function get_preset_classes( $setting_nodes, $origins ) { $preset_rules = ''; foreach ( $setting_nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $selector = $metadata['selector']; $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $preset_rules .= static::compute_preset_classes( $node, $selector, $origins ); } return $preset_rules; } /** * Converts each styles section into a list of rulesets * to be appended to the stylesheet. * These rulesets contain all the css variables (custom variables and preset variables). * * See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax * * For each section this creates a new ruleset such as: * * block-selector { * --wp--preset--category--slug: value; * --wp--custom--variable: value; * } * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $nodes Nodes with settings. * @param array $origins List of origins to process. * @return string The new stylesheet. */ protected function get_css_variables( $nodes, $origins ) { $stylesheet = ''; foreach ( $nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $selector = $metadata['selector']; $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $declarations = array_merge( static::compute_preset_vars( $node, $origins ), static::compute_theme_vars( $node ) ); $stylesheet .= static::to_ruleset( $selector, $declarations ); } return $stylesheet; } /** * Given a selector and a declaration list, * creates the corresponding ruleset. * * @since 5.8.0 * * @param string $selector CSS selector. * @param array $declarations List of declarations. * @return string CSS ruleset. */ protected static function to_ruleset( $selector, $declarations ) { if ( empty( $declarations ) ) { return ''; } $declaration_block = array_reduce( $declarations, static function ( $carry, $element ) { return $carry .= $element['name'] . ': ' . $element['value'] . ';'; }, '' ); return $selector . '{' . $declaration_block . '}'; } /** * Function that appends a sub-selector to a existing one. * * Given the compounded $selector "h1, h2, h3" * and the $to_append selector ".some-class" the result will be * "h1.some-class, h2.some-class, h3.some-class". * * @since 5.8.0 * * @param string $selector Original selector. * @param string $to_append Selector to append. * @return string */ protected static function append_to_selector( $selector, $to_append ) { $new_selectors = array(); $selectors = explode( ',', $selector ); foreach ( $selectors as $sel ) { $new_selectors[] = $sel . $to_append; } return implode( ',', $new_selectors ); } /** * Given a settings array, it returns the generated rulesets * for the preset classes. * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $settings Settings to process. * @param string $selector Selector wrapping the classes. * @param array $origins List of origins to process. * @return string The result of processing the presets. */ protected static function compute_preset_classes( $settings, $selector, $origins ) { if ( static::ROOT_BLOCK_SELECTOR === $selector ) { // Classes at the global level do not need any CSS prefixed, // and we don't want to increase its specificity. $selector = ''; } $stylesheet = ''; foreach ( static::PRESETS_METADATA as $preset_metadata ) { $slugs = static::get_settings_slugs( $settings, $preset_metadata, $origins ); foreach ( $preset_metadata['classes'] as $class => $property ) { foreach ( $slugs as $slug ) { $css_var = static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ); $class_name = static::replace_slug_in_string( $class, $slug ); $stylesheet .= static::to_ruleset( static::append_to_selector( $selector, $class_name ), array( array( 'name' => $property, 'value' => 'var(' . $css_var . ') !important', ), ) ); } } } return $stylesheet; } /** * Function that scopes a selector with another one. This works a bit like * SCSS nesting except the `&` operator isn't supported. * * <code> * $scope = '.a, .b .c'; * $selector = '> .x, .y'; * $merged = scope_selector( $scope, $selector ); * // $merged is '.a > .x, .a .y, .b .c > .x, .b .c .y' * </code> * * @since 5.9.0 * * @param string $scope Selector to scope to. * @param string $selector Original selector. * @return string Scoped selector. */ protected static function scope_selector( $scope, $selector ) { $scopes = explode( ',', $scope ); $selectors = explode( ',', $selector ); $selectors_scoped = array(); foreach ( $scopes as $outer ) { foreach ( $selectors as $inner ) { $selectors_scoped[] = trim( $outer ) . ' ' . trim( $inner ); } } return implode( ', ', $selectors_scoped ); } /** * Gets preset values keyed by slugs based on settings and metadata. * * <code> * $settings = array( * 'typography' => array( * 'fontFamilies' => array( * array( * 'slug' => 'sansSerif', * 'fontFamily' => '"Helvetica Neue", sans-serif', * ), * array( * 'slug' => 'serif', * 'colors' => 'Georgia, serif', * ) * ), * ), * ); * $meta = array( * 'path' => array( 'typography', 'fontFamilies' ), * 'value_key' => 'fontFamily', * ); * $values_by_slug = get_settings_values_by_slug(); * // $values_by_slug === array( * // 'sans-serif' => '"Helvetica Neue", sans-serif', * // 'serif' => 'Georgia, serif', * // ); * </code> * * @since 5.9.0 * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param array $origins List of origins to process. * @return array Array of presets where each key is a slug and each value is the preset value. */ protected static function get_settings_values_by_slug( $settings, $preset_metadata, $origins ) { $preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() ); $result = array(); foreach ( $origins as $origin ) { if ( ! isset( $preset_per_origin[ $origin ] ) ) { continue; } foreach ( $preset_per_origin[ $origin ] as $preset ) { $slug = _wp_to_kebab_case( $preset['slug'] ); $value = ''; if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) { $value_key = $preset_metadata['value_key']; $value = $preset[ $value_key ]; } elseif ( isset( $preset_metadata['value_func'] ) && is_callable( $preset_metadata['value_func'] ) ) { $value_func = $preset_metadata['value_func']; $value = call_user_func( $value_func, $preset ); } else { // If we don't have a value, then don't add it to the result. continue; } $result[ $slug ] = $value; } } return $result; } /** * Similar to get_settings_values_by_slug, but doesn't compute the value. * * @since 5.9.0 * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param array $origins List of origins to process. * @return array Array of presets where the key and value are both the slug. */ protected static function get_settings_slugs( $settings, $preset_metadata, $origins = null ) { if ( null === $origins ) { $origins = static::VALID_ORIGINS; } $preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() ); $result = array(); foreach ( $origins as $origin ) { if ( ! isset( $preset_per_origin[ $origin ] ) ) { continue; } foreach ( $preset_per_origin[ $origin ] as $preset ) { $slug = _wp_to_kebab_case( $preset['slug'] ); // Use the array as a set so we don't get duplicates. $result[ $slug ] = $slug; } } return $result; } /** * Transform a slug into a CSS Custom Property. * * @since 5.9.0 * * @param string $input String to replace. * @param string $slug The slug value to use to generate the custom property. * @return string The CSS Custom Property. Something along the lines of `--wp--preset--color--black`. */ protected static function replace_slug_in_string( $input, $slug ) { return strtr( $input, array( '$slug' => $slug ) ); } /** * Given the block settings, it extracts the CSS Custom Properties * for the presets and adds them to the $declarations array * following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $settings Settings to process. * @param array $origins List of origins to process. * @return array Returns the modified $declarations. */ protected static function compute_preset_vars( $settings, $origins ) { $declarations = array(); foreach ( static::PRESETS_METADATA as $preset_metadata ) { $values_by_slug = static::get_settings_values_by_slug( $settings, $preset_metadata, $origins ); foreach ( $values_by_slug as $slug => $value ) { $declarations[] = array( 'name' => static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ), 'value' => $value, ); } } return $declarations; } /** * Given an array of settings, it extracts the CSS Custom Properties * for the custom values and adds them to the $declarations * array following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * * @param array $settings Settings to process. * @return array Returns the modified $declarations. */ protected static function compute_theme_vars( $settings ) { $declarations = array(); $custom_values = _wp_array_get( $settings, array( 'custom' ), array() ); $css_vars = static::flatten_tree( $custom_values ); foreach ( $css_vars as $key => $value ) { $declarations[] = array( 'name' => '--wp--custom--' . $key, 'value' => $value, ); } return $declarations; } /** * Given a tree, it creates a flattened one * by merging the keys and binding the leaf values * to the new keys. * * It also transforms camelCase names into kebab-case * and substitutes '/' by '-'. * * This is thought to be useful to generate * CSS Custom Properties from a tree, * although there's nothing in the implementation * of this function that requires that format. * * For example, assuming the given prefix is '--wp' * and the token is '--', for this input tree: * * { * 'some/property': 'value', * 'nestedProperty': { * 'sub-property': 'value' * } * } * * it'll return this output: * * { * '--wp--some-property': 'value', * '--wp--nested-property--sub-property': 'value' * } * * @since 5.8.0 * * @param array $tree Input tree to process. * @param string $prefix Optional. Prefix to prepend to each variable. Default empty string. * @param string $token Optional. Token to use between levels. Default '--'. * @return array The flattened tree. */ protected static function flatten_tree( $tree, $prefix = '', $token = '--' ) { $result = array(); foreach ( $tree as $property => $value ) { $new_key = $prefix . str_replace( '/', '-', strtolower( _wp_to_kebab_case( $property ) ) ); if ( is_array( $value ) ) { $new_prefix = $new_key . $token; $result = array_merge( $result, static::flatten_tree( $value, $new_prefix, $token ) ); } else { $result[ $new_key ] = $value; } } return $result; } /** * Given a styles array, it extracts the style properties * and adds them to the $declarations array following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * @since 5.9.0 Added the `$settings` and `$properties` parameters. * * @param array $styles Styles to process. * @param array $settings Theme settings. * @param array $properties Properties metadata. * @return array Returns the modified $declarations. */ protected static function compute_style_properties( $styles, $settings = array(), $properties = null ) { if ( null === $properties ) { $properties = static::PROPERTIES_METADATA; } $declarations = array(); if ( empty( $styles ) ) { return $declarations; } foreach ( $properties as $css_property => $value_path ) { $value = static::get_property_value( $styles, $value_path ); // Look up protected properties, keyed by value path. // Skip protected properties that are explicitly set to `null`. if ( is_array( $value_path ) ) { $path_string = implode( '.', $value_path ); if ( array_key_exists( $path_string, static::PROTECTED_PROPERTIES ) && _wp_array_get( $settings, static::PROTECTED_PROPERTIES[ $path_string ], null ) === null ) { continue; } } // Skip if empty and not "0" or value represents array of longhand values. $has_missing_value = empty( $value ) && ! is_numeric( $value ); if ( $has_missing_value || is_array( $value ) ) { continue; } $declarations[] = array( 'name' => $css_property, 'value' => $value, ); } return $declarations; } /** * Returns the style property for the given path. * * It also converts CSS Custom Property stored as * "var:preset|color|secondary" to the form * "--wp--preset--color--secondary". * * @since 5.8.0 * @since 5.9.0 Added support for values of array type, which are returned as is. * * @param array $styles Styles subtree. * @param array $path Which property to process. * @return string|array Style property value. */ protected static function get_property_value( $styles, $path ) { $value = _wp_array_get( $styles, $path, '' ); if ( '' === $value || is_array( $value ) ) { return $value; } $prefix = 'var:'; $prefix_len = strlen( $prefix ); $token_in = '|'; $token_out = '--'; if ( 0 === strncmp( $value, $prefix, $prefix_len ) ) { $unwrapped_name = str_replace( $token_in, $token_out, substr( $value, $prefix_len ) ); $value = "var(--wp--$unwrapped_name)"; } return $value; } /** * Builds metadata for the setting nodes, which returns in the form of: * * [ * [ * 'path' => ['path', 'to', 'some', 'node' ], * 'selector' => 'CSS selector for some node' * ], * [ * 'path' => [ 'path', 'to', 'other', 'node' ], * 'selector' => 'CSS selector for other node' * ], * ] * * @since 5.8.0 * * @param array $theme_json The tree to extract setting nodes from. * @param array $selectors List of selectors per block. * @return array */ protected static function get_setting_nodes( $theme_json, $selectors = array() ) { $nodes = array(); if ( ! isset( $theme_json['settings'] ) ) { return $nodes; } // Top-level. $nodes[] = array( 'path' => array( 'settings' ), 'selector' => static::ROOT_BLOCK_SELECTOR, ); // Calculate paths for blocks. if ( ! isset( $theme_json['settings']['blocks'] ) ) { return $nodes; } foreach ( $theme_json['settings']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { $selector = $selectors[ $name ]['selector']; } $nodes[] = array( 'path' => array( 'settings', 'blocks', $name ), 'selector' => $selector, ); } return $nodes; } /** * Builds metadata for the style nodes, which returns in the form of: * * [ * [ * 'path' => [ 'path', 'to', 'some', 'node' ], * 'selector' => 'CSS selector for some node', * 'duotone' => 'CSS selector for duotone for some node' * ], * [ * 'path' => ['path', 'to', 'other', 'node' ], * 'selector' => 'CSS selector for other node', * 'duotone' => null * ], * ] * * @since 5.8.0 * * @param array $theme_json The tree to extract style nodes from. * @param array $selectors List of selectors per block. * @return array */ protected static function get_style_nodes( $theme_json, $selectors = array() ) { $nodes = array(); if ( ! isset( $theme_json['styles'] ) ) { return $nodes; } // Top-level. $nodes[] = array( 'path' => array( 'styles' ), 'selector' => static::ROOT_BLOCK_SELECTOR, ); if ( isset( $theme_json['styles']['elements'] ) ) { foreach ( $theme_json['styles']['elements'] as $element => $node ) { $nodes[] = array( 'path' => array( 'styles', 'elements', $element ), 'selector' => static::ELEMENTS[ $element ], ); } } // Blocks. if ( ! isset( $theme_json['styles']['blocks'] ) ) { return $nodes; } foreach ( $theme_json['styles']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { $selector = $selectors[ $name ]['selector']; } $duotone_selector = null; if ( isset( $selectors[ $name ]['duotone'] ) ) { $duotone_selector = $selectors[ $name ]['duotone']; } $nodes[] = array( 'path' => array( 'styles', 'blocks', $name ), 'selector' => $selector, 'duotone' => $duotone_selector, ); if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'] ) ) { foreach ( $theme_json['styles']['blocks'][ $name ]['elements'] as $element => $node ) { $nodes[] = array( 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), 'selector' => $selectors[ $name ]['elements'][ $element ], ); } } } return $nodes; } /** * For metadata values that can either be booleans or paths to booleans, gets the value. * * ```php * $data = array( * 'color' => array( * 'defaultPalette' => true * ) * ); * * static::get_metadata_boolean( $data, false ); * // => false * * static::get_metadata_boolean( $data, array( 'color', 'defaultPalette' ) ); * // => true * ``` * * @since 6.0.0 * * @param array $data The data to inspect. * @param bool|array $path Boolean or path to a boolean. * @param bool $default Default value if the referenced path is missing. * Default false. * @return bool Value of boolean metadata. */ protected static function get_metadata_boolean( $data, $path, $default = false ) { if ( is_bool( $path ) ) { return $path; } if ( is_array( $path ) ) { $value = _wp_array_get( $data, $path ); if ( null !== $value ) { return $value; } } return $default; } /** * Merge new incoming data. * * @since 5.8.0 * @since 5.9.0 Duotone preset also has origins. * * @param WP_Theme_JSON $incoming Data to merge. */ public function merge( $incoming ) { $incoming_data = $incoming->get_raw_data(); $this->theme_json = array_replace_recursive( $this->theme_json, $incoming_data ); /* * The array_replace_recursive algorithm merges at the leaf level, * but we don't want leaf arrays to be merged, so we overwrite it. * * For leaf values that are sequential arrays it will use the numeric indexes for replacement. * We rather replace the existing with the incoming value, if it exists. * This is the case of spacing.units. * * For leaf values that are associative arrays it will merge them as expected. * This is also not the behavior we want for the current associative arrays (presets). * We rather replace the existing with the incoming value, if it exists. * This happens, for example, when we merge data from theme.json upon existing * theme supports or when we merge anything coming from the same source twice. * This is the case of color.palette, color.gradients, color.duotone, * typography.fontSizes, or typography.fontFamilies. * * Additionally, for some preset types, we also want to make sure the * values they introduce don't conflict with default values. We do so * by checking the incoming slugs for theme presets and compare them * with the equivalent default presets: if a slug is present as a default * we remove it from the theme presets. */ $nodes = static::get_setting_nodes( $incoming_data ); $slugs_global = static::get_default_slugs( $this->theme_json, array( 'settings' ) ); foreach ( $nodes as $node ) { $slugs_node = static::get_default_slugs( $this->theme_json, $node['path'] ); $slugs = array_merge_recursive( $slugs_global, $slugs_node ); // Replace the spacing.units. $path = array_merge( $node['path'], array( 'spacing', 'units' ) ); $content = _wp_array_get( $incoming_data, $path, null ); if ( isset( $content ) ) { _wp_array_set( $this->theme_json, $path, $content ); } // Replace the presets. foreach ( static::PRESETS_METADATA as $preset ) { $override_preset = ! static::get_metadata_boolean( $this->theme_json['settings'], $preset['prevent_override'], true ); foreach ( static::VALID_ORIGINS as $origin ) { $base_path = array_merge( $node['path'], $preset['path'] ); $path = array_merge( $base_path, array( $origin ) ); $content = _wp_array_get( $incoming_data, $path, null ); if ( ! isset( $content ) ) { continue; } if ( 'theme' === $origin && $preset['use_default_names'] ) { foreach ( $content as &$item ) { if ( ! array_key_exists( 'name', $item ) ) { $name = static::get_name_from_defaults( $item['slug'], $base_path ); if ( null !== $name ) { $item['name'] = $name; } } } } if ( ( 'theme' !== $origin ) || ( 'theme' === $origin && $override_preset ) ) { _wp_array_set( $this->theme_json, $path, $content ); } else { $slugs_for_preset = _wp_array_get( $slugs, $preset['path'], array() ); $content = static::filter_slugs( $content, $slugs_for_preset ); _wp_array_set( $this->theme_json, $path, $content ); } } } } } /** * Converts all filter (duotone) presets into SVGs. * * @since 5.9.1 * * @param array $origins List of origins to process. * @return string SVG filters. */ public function get_svg_filters( $origins ) { $blocks_metadata = static::get_blocks_metadata(); $setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata ); $filters = ''; foreach ( $setting_nodes as $metadata ) { $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); if ( empty( $node['color']['duotone'] ) ) { continue; } $duotone_presets = $node['color']['duotone']; foreach ( $origins as $origin ) { if ( ! isset( $duotone_presets[ $origin ] ) ) { continue; } foreach ( $duotone_presets[ $origin ] as $duotone_preset ) { $filters .= wp_get_duotone_filter_svg( $duotone_preset ); } } } return $filters; } /** * Returns whether a presets should be overridden or not. * * @since 5.9.0 * @deprecated 6.0.0 Use {@see 'get_metadata_boolean'} instead. * * @param array $theme_json The theme.json like structure to inspect. * @param array $path Path to inspect. * @param bool|array $override Data to compute whether to override the preset. * @return boolean */ protected static function should_override_preset( $theme_json, $path, $override ) { _deprecated_function( __METHOD__, '6.0.0', 'get_metadata_boolean' ); if ( is_bool( $override ) ) { return $override; } /* * The relationship between whether to override the defaults * and whether the defaults are enabled is inverse: * * - If defaults are enabled => theme presets should not be overridden * - If defaults are disabled => theme presets should be overridden * * For example, a theme sets defaultPalette to false, * making the default palette hidden from the user. * In that case, we want all the theme presets to be present, * so they should override the defaults. */ if ( is_array( $override ) ) { $value = _wp_array_get( $theme_json, array_merge( $path, $override ) ); if ( isset( $value ) ) { return ! $value; } // Search the top-level key if none was found for this node. $value = _wp_array_get( $theme_json, array_merge( array( 'settings' ), $override ) ); if ( isset( $value ) ) { return ! $value; } return true; } } /** * Returns the default slugs for all the presets in an associative array * whose keys are the preset paths and the leafs is the list of slugs. * * For example: * * array( * 'color' => array( * 'palette' => array( 'slug-1', 'slug-2' ), * 'gradients' => array( 'slug-3', 'slug-4' ), * ), * ) * * @since 5.9.0 * * @param array $data A theme.json like structure. * @param array $node_path The path to inspect. It's 'settings' by default. * @return array */ protected static function get_default_slugs( $data, $node_path ) { $slugs = array(); foreach ( static::PRESETS_METADATA as $metadata ) { $path = array_merge( $node_path, $metadata['path'], array( 'default' ) ); $preset = _wp_array_get( $data, $path, null ); if ( ! isset( $preset ) ) { continue; } $slugs_for_preset = array(); $slugs_for_preset = array_map( static function( $value ) { return isset( $value['slug'] ) ? $value['slug'] : null; }, $preset ); _wp_array_set( $slugs, $metadata['path'], $slugs_for_preset ); } return $slugs; } /** * Get a `default`'s preset name by a provided slug. * * @since 5.9.0 * * @param string $slug The slug we want to find a match from default presets. * @param array $base_path The path to inspect. It's 'settings' by default. * @return string|null */ protected function get_name_from_defaults( $slug, $base_path ) { $path = array_merge( $base_path, array( 'default' ) ); $default_content = _wp_array_get( $this->theme_json, $path, null ); if ( ! $default_content ) { return null; } foreach ( $default_content as $item ) { if ( $slug === $item['slug'] ) { return $item['name']; } } return null; } /** * Removes the preset values whose slug is equal to any of given slugs. * * @since 5.9.0 * * @param array $node The node with the presets to validate. * @param array $slugs The slugs that should not be overridden. * @return array The new node. */ protected static function filter_slugs( $node, $slugs ) { if ( empty( $slugs ) ) { return $node; } $new_node = array(); foreach ( $node as $value ) { if ( isset( $value['slug'] ) && ! in_array( $value['slug'], $slugs, true ) ) { $new_node[] = $value; } } return $new_node; } /** * Removes insecure data from theme.json. * * @since 5.9.0 * * @param array $theme_json Structure to sanitize. * @return array Sanitized structure. */ public static function remove_insecure_properties( $theme_json ) { $sanitized = array(); $theme_json = WP_Theme_JSON_Schema::migrate( $theme_json ); $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); $theme_json = static::sanitize( $theme_json, $valid_block_names, $valid_element_names ); $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $theme_json, $blocks_metadata ); foreach ( $style_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } $output = static::remove_insecure_styles( $input ); if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } } $setting_nodes = static::get_setting_nodes( $theme_json ); foreach ( $setting_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } $output = static::remove_insecure_settings( $input ); if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } } if ( empty( $sanitized['styles'] ) ) { unset( $theme_json['styles'] ); } else { $theme_json['styles'] = $sanitized['styles']; } if ( empty( $sanitized['settings'] ) ) { unset( $theme_json['settings'] ); } else { $theme_json['settings'] = $sanitized['settings']; } return $theme_json; } /** * Processes a setting node and returns the same node * without the insecure settings. * * @since 5.9.0 * * @param array $input Node to process. * @return array */ protected static function remove_insecure_settings( $input ) { $output = array(); foreach ( static::PRESETS_METADATA as $preset_metadata ) { foreach ( static::VALID_ORIGINS as $origin ) { $path_with_origin = array_merge( $preset_metadata['path'], array( $origin ) ); $presets = _wp_array_get( $input, $path_with_origin, null ); if ( null === $presets ) { continue; } $escaped_preset = array(); foreach ( $presets as $preset ) { if ( esc_attr( esc_html( $preset['name'] ) ) === $preset['name'] && sanitize_html_class( $preset['slug'] ) === $preset['slug'] ) { $value = null; if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) { $value = $preset[ $preset_metadata['value_key'] ]; } elseif ( isset( $preset_metadata['value_func'] ) && is_callable( $preset_metadata['value_func'] ) ) { $value = call_user_func( $preset_metadata['value_func'], $preset ); } $preset_is_valid = true; foreach ( $preset_metadata['properties'] as $property ) { if ( ! static::is_safe_css_declaration( $property, $value ) ) { $preset_is_valid = false; break; } } if ( $preset_is_valid ) { $escaped_preset[] = $preset; } } } if ( ! empty( $escaped_preset ) ) { _wp_array_set( $output, $path_with_origin, $escaped_preset ); } } } return $output; } /** * Processes a style node and returns the same node * without the insecure styles. * * @since 5.9.0 * * @param array $input Node to process. * @return array */ protected static function remove_insecure_styles( $input ) { $output = array(); $declarations = static::compute_style_properties( $input ); foreach ( $declarations as $declaration ) { if ( static::is_safe_css_declaration( $declaration['name'], $declaration['value'] ) ) { $path = static::PROPERTIES_METADATA[ $declaration['name'] ]; // Check the value isn't an array before adding so as to not // double up shorthand and longhand styles. $value = _wp_array_get( $input, $path, array() ); if ( ! is_array( $value ) ) { _wp_array_set( $output, $path, $value ); } } } return $output; } /** * Checks that a declaration provided by the user is safe. * * @since 5.9.0 * * @param string $property_name Property name in a CSS declaration, i.e. the `color` in `color: red`. * @param string $property_value Value in a CSS declaration, i.e. the `red` in `color: red`. * @return bool */ protected static function is_safe_css_declaration( $property_name, $property_value ) { $style_to_validate = $property_name . ': ' . $property_value; $filtered = esc_html( safecss_filter_attr( $style_to_validate ) ); return ! empty( trim( $filtered ) ); } /** * Returns the raw data. * * @since 5.8.0 * * @return array Raw data. */ public function get_raw_data() { return $this->theme_json; } /** * Transforms the given editor settings according the * add_theme_support format to the theme.json format. * * @since 5.8.0 * * @param array $settings Existing editor settings. * @return array Config that adheres to the theme.json schema. */ public static function get_from_editor_settings( $settings ) { $theme_settings = array( 'version' => static::LATEST_SCHEMA, 'settings' => array(), ); // Deprecated theme supports. if ( isset( $settings['disableCustomColors'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['custom'] = ! $settings['disableCustomColors']; } if ( isset( $settings['disableCustomGradients'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['customGradient'] = ! $settings['disableCustomGradients']; } if ( isset( $settings['disableCustomFontSizes'] ) ) { if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['customFontSize'] = ! $settings['disableCustomFontSizes']; } if ( isset( $settings['enableCustomLineHeight'] ) ) { if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['lineHeight'] = $settings['enableCustomLineHeight']; } if ( isset( $settings['enableCustomUnits'] ) ) { if ( ! isset( $theme_settings['settings']['spacing'] ) ) { $theme_settings['settings']['spacing'] = array(); } $theme_settings['settings']['spacing']['units'] = ( true === $settings['enableCustomUnits'] ) ? array( 'px', 'em', 'rem', 'vh', 'vw', '%' ) : $settings['enableCustomUnits']; } if ( isset( $settings['colors'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['palette'] = $settings['colors']; } if ( isset( $settings['gradients'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['gradients'] = $settings['gradients']; } if ( isset( $settings['fontSizes'] ) ) { $font_sizes = $settings['fontSizes']; // Back-compatibility for presets without units. foreach ( $font_sizes as $key => $font_size ) { if ( is_numeric( $font_size['size'] ) ) { $font_sizes[ $key ]['size'] = $font_size['size'] . 'px'; } } if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['fontSizes'] = $font_sizes; } if ( isset( $settings['enableCustomSpacing'] ) ) { if ( ! isset( $theme_settings['settings']['spacing'] ) ) { $theme_settings['settings']['spacing'] = array(); } $theme_settings['settings']['spacing']['padding'] = $settings['enableCustomSpacing']; } return $theme_settings; } /** * Returns the current theme's wanted patterns(slugs) to be * registered from Pattern Directory. * * @since 6.0.0 * * @return string[] */ public function get_patterns() { if ( isset( $this->theme_json['patterns'] ) && is_array( $this->theme_json['patterns'] ) ) { return $this->theme_json['patterns']; } return array(); } /** * Returns a valid theme.json as provided by a theme. * * Unlike get_raw_data() this returns the presets flattened, as provided by a theme. * This also uses appearanceTools instead of their opt-ins if all of them are true. * * @since 6.0.0 * * @return array */ public function get_data() { $output = $this->theme_json; $nodes = static::get_setting_nodes( $output ); /** * Flatten the theme & custom origins into a single one. * * For example, the following: * * { * "settings": { * "color": { * "palette": { * "theme": [ {} ], * "custom": [ {} ] * } * } * } * } * * will be converted to: * * { * "settings": { * "color": { * "palette": [ {} ] * } * } * } */ foreach ( $nodes as $node ) { foreach ( static::PRESETS_METADATA as $preset_metadata ) { $path = array_merge( $node['path'], $preset_metadata['path'] ); $preset = _wp_array_get( $output, $path, null ); if ( null === $preset ) { continue; } $items = array(); if ( isset( $preset['theme'] ) ) { foreach ( $preset['theme'] as $item ) { $slug = $item['slug']; unset( $item['slug'] ); $items[ $slug ] = $item; } } if ( isset( $preset['custom'] ) ) { foreach ( $preset['custom'] as $item ) { $slug = $item['slug']; unset( $item['slug'] ); $items[ $slug ] = $item; } } $flattened_preset = array(); foreach ( $items as $slug => $value ) { $flattened_preset[] = array_merge( array( 'slug' => $slug ), $value ); } _wp_array_set( $output, $path, $flattened_preset ); } } // If all of the static::APPEARANCE_TOOLS_OPT_INS are true, // this code unsets them and sets 'appearanceTools' instead. foreach ( $nodes as $node ) { $all_opt_ins_are_set = true; foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) { $full_path = array_merge( $node['path'], $opt_in_path ); // Use "unset prop" as a marker instead of "null" because // "null" can be a valid value for some props (e.g. blockGap). $opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' ); if ( 'unset prop' === $opt_in_value ) { $all_opt_ins_are_set = false; break; } } if ( $all_opt_ins_are_set ) { _wp_array_set( $output, array_merge( $node['path'], array( 'appearanceTools' ) ), true ); foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) { $full_path = array_merge( $node['path'], $opt_in_path ); // Use "unset prop" as a marker instead of "null" because // "null" can be a valid value for some props (e.g. blockGap). $opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' ); if ( true !== $opt_in_value ) { continue; } // The following could be improved to be path independent. // At the moment it relies on a couple of assumptions: // // - all opt-ins having a path of size 2. // - there's two sources of settings: the top-level and the block-level. if ( ( 1 === count( $node['path'] ) ) && ( 'settings' === $node['path'][0] ) ) { // Top-level settings. unset( $output['settings'][ $opt_in_path[0] ][ $opt_in_path[1] ] ); if ( empty( $output['settings'][ $opt_in_path[0] ] ) ) { unset( $output['settings'][ $opt_in_path[0] ] ); } } elseif ( ( 3 === count( $node['path'] ) ) && ( 'settings' === $node['path'][0] ) && ( 'blocks' === $node['path'][1] ) ) { // Block-level settings. $block_name = $node['path'][2]; unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ][ $opt_in_path[1] ] ); if ( empty( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ) ) { unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ); } } } } } wp_recursive_ksort( $output ); return $output; } }