2017 lines
61 KiB
PHP
2017 lines
61 KiB
PHP
<?php
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/**
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* WP_Theme_JSON class
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*
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* @package WordPress
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* @subpackage Theme
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* @since 5.8.0
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*/
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/**
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* Class that encapsulates the processing of structures that adhere to the theme.json spec.
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*
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* This class is for internal core usage and is not supposed to be used by extenders (plugins and/or themes).
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* This is a low-level API that may need to do breaking changes. Please,
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* use get_global_settings, get_global_styles, and get_global_stylesheet instead.
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*
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* @access private
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*/
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class WP_Theme_JSON {
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/**
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* Container of data in theme.json format.
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*
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* @since 5.8.0
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* @var array
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*/
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protected $theme_json = null;
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/**
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* Holds block metadata extracted from block.json
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* to be shared among all instances so we don't
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* process it twice.
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*
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* @since 5.8.0
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* @var array
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*/
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protected static $blocks_metadata = null;
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/**
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* The CSS selector for the top-level styles.
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*
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* @since 5.8.0
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* @var string
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*/
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const ROOT_BLOCK_SELECTOR = 'body';
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/**
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* The sources of data this object can represent.
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*
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* @since 5.8.0
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* @var string[]
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*/
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const VALID_ORIGINS = array(
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'default',
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'theme',
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'custom',
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);
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/**
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* Presets are a set of values that serve
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* to bootstrap some styles: colors, font sizes, etc.
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*
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* They are a unkeyed array of values such as:
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*
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* ```php
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* array(
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* array(
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* 'slug' => 'unique-name-within-the-set',
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* 'name' => 'Name for the UI',
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* <value_key> => 'value'
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* ),
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* )
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* ```
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*
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* This contains the necessary metadata to process them:
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*
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* - path => where to find the preset within the settings section
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* - override => whether a theme preset with the same slug as a default preset
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* can override it
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* - use_default_names => whether to use the default names
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* - value_key => the key that represents the value
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* - value_func => optionally, instead of value_key, a function to generate
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* the value that takes a preset as an argument
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* (either value_key or value_func should be present)
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* - css_vars => template string to use in generating the CSS Custom Property.
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* Example output: "--wp--preset--duotone--blue: <value>" will generate
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* as many CSS Custom Properties as presets defined
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* substituting the $slug for the slug's value for each preset value.
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* - classes => array containing a structure with the classes to
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* generate for the presets, where for each array item
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* the key is the class name and the value the property name.
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* The "$slug" substring will be replaced by the slug of each preset.
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* For example:
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* 'classes' => array(
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* '.has-$slug-color' => 'color',
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* '.has-$slug-background-color' => 'background-color',
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* '.has-$slug-border-color' => 'border-color',
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* )
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* - properties => array of CSS properties to be used by kses to
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* validate the content of each preset
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* by means of the remove_insecure_properties method.
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*
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* @since 5.8.0
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* @since 5.9.0 Added the `color.duotone` and `typography.fontFamilies` presets,
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* `use_default_names` preset key, and simplified the metadata structure.
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* @var array
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*/
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const PRESETS_METADATA = array(
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array(
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'path' => array( 'color', 'palette' ),
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'override' => array( 'color', 'defaultPalette' ),
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'use_default_names' => false,
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'value_key' => 'color',
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'css_vars' => '--wp--preset--color--$slug',
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'classes' => array(
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'.has-$slug-color' => 'color',
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'.has-$slug-background-color' => 'background-color',
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'.has-$slug-border-color' => 'border-color',
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),
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'properties' => array( 'color', 'background-color', 'border-color' ),
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),
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array(
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'path' => array( 'color', 'gradients' ),
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'override' => array( 'color', 'defaultGradients' ),
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'use_default_names' => false,
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'value_key' => 'gradient',
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'css_vars' => '--wp--preset--gradient--$slug',
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'classes' => array( '.has-$slug-gradient-background' => 'background' ),
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'properties' => array( 'background' ),
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),
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array(
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'path' => array( 'color', 'duotone' ),
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'override' => true,
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'use_default_names' => false,
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'value_func' => 'wp_get_duotone_filter_property',
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'css_vars' => '--wp--preset--duotone--$slug',
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'classes' => array(),
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'properties' => array( 'filter' ),
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),
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array(
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'path' => array( 'typography', 'fontSizes' ),
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'override' => true,
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'use_default_names' => true,
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'value_key' => 'size',
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'css_vars' => '--wp--preset--font-size--$slug',
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'classes' => array( '.has-$slug-font-size' => 'font-size' ),
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'properties' => array( 'font-size' ),
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),
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array(
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'path' => array( 'typography', 'fontFamilies' ),
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'override' => true,
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'use_default_names' => false,
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'value_key' => 'fontFamily',
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'css_vars' => '--wp--preset--font-family--$slug',
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'classes' => array( '.has-$slug-font-family' => 'font-family' ),
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'properties' => array( 'font-family' ),
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),
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);
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/**
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* Metadata for style properties.
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*
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* Each element is a direct mapping from the CSS property name to the
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* path to the value in theme.json & block attributes.
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*
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* @since 5.8.0
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* @since 5.9.0 Added the `border-*`, `font-family`, `font-style`, `font-weight`,
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* `letter-spacing`, `margin-*`, `padding-*`, `--wp--style--block-gap`,
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* `text-decoration`, `text-transform`, and `filter` properties,
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* simplified the metadata structure.
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* @var array
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*/
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const PROPERTIES_METADATA = array(
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'background' => array( 'color', 'gradient' ),
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'background-color' => array( 'color', 'background' ),
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'border-radius' => array( 'border', 'radius' ),
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'border-top-left-radius' => array( 'border', 'radius', 'topLeft' ),
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'border-top-right-radius' => array( 'border', 'radius', 'topRight' ),
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'border-bottom-left-radius' => array( 'border', 'radius', 'bottomLeft' ),
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'border-bottom-right-radius' => array( 'border', 'radius', 'bottomRight' ),
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'border-color' => array( 'border', 'color' ),
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'border-width' => array( 'border', 'width' ),
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'border-style' => array( 'border', 'style' ),
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'color' => array( 'color', 'text' ),
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'font-family' => array( 'typography', 'fontFamily' ),
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'font-size' => array( 'typography', 'fontSize' ),
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'font-style' => array( 'typography', 'fontStyle' ),
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'font-weight' => array( 'typography', 'fontWeight' ),
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'letter-spacing' => array( 'typography', 'letterSpacing' ),
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'line-height' => array( 'typography', 'lineHeight' ),
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'margin' => array( 'spacing', 'margin' ),
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'margin-top' => array( 'spacing', 'margin', 'top' ),
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'margin-right' => array( 'spacing', 'margin', 'right' ),
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'margin-bottom' => array( 'spacing', 'margin', 'bottom' ),
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'margin-left' => array( 'spacing', 'margin', 'left' ),
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'padding' => array( 'spacing', 'padding' ),
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'padding-top' => array( 'spacing', 'padding', 'top' ),
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'padding-right' => array( 'spacing', 'padding', 'right' ),
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'padding-bottom' => array( 'spacing', 'padding', 'bottom' ),
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'padding-left' => array( 'spacing', 'padding', 'left' ),
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'--wp--style--block-gap' => array( 'spacing', 'blockGap' ),
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'text-decoration' => array( 'typography', 'textDecoration' ),
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'text-transform' => array( 'typography', 'textTransform' ),
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'filter' => array( 'filter', 'duotone' ),
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);
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/**
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* Protected style properties.
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*
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* These style properties are only rendered if a setting enables it
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* via a value other than `null`.
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*
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* Each element maps the style property to the corresponding theme.json
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* setting key.
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*
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* @since 5.9.0
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*/
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const PROTECTED_PROPERTIES = array(
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'spacing.blockGap' => array( 'spacing', 'blockGap' ),
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);
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/**
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* The top-level keys a theme.json can have.
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*
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* @since 5.8.0 As `ALLOWED_TOP_LEVEL_KEYS`.
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* @since 5.9.0 Renamed from `ALLOWED_TOP_LEVEL_KEYS` to `VALID_TOP_LEVEL_KEYS`,
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* added the `customTemplates` and `templateParts` values.
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* @var string[]
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*/
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const VALID_TOP_LEVEL_KEYS = array(
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'customTemplates',
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'settings',
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'styles',
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'templateParts',
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'version',
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);
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/**
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* The valid properties under the settings key.
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*
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* @since 5.8.0 As `ALLOWED_SETTINGS`.
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* @since 5.9.0 Renamed from `ALLOWED_SETTINGS` to `VALID_SETTINGS`,
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* added new properties for `border`, `color`, `spacing`,
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* and `typography`, and renamed others according to the new schema.
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* @var array
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*/
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const VALID_SETTINGS = array(
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'appearanceTools' => null,
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'border' => array(
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'color' => null,
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'radius' => null,
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'style' => null,
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'width' => null,
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),
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'color' => array(
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'background' => null,
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'custom' => null,
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'customDuotone' => null,
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'customGradient' => null,
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'defaultGradients' => null,
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'defaultPalette' => null,
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'duotone' => null,
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'gradients' => null,
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'link' => null,
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'palette' => null,
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'text' => null,
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),
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'custom' => null,
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'layout' => array(
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'contentSize' => null,
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'wideSize' => null,
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),
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'spacing' => array(
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'blockGap' => null,
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'margin' => null,
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'padding' => null,
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'units' => null,
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),
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'typography' => array(
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'customFontSize' => null,
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'dropCap' => null,
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'fontFamilies' => null,
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'fontSizes' => null,
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'fontStyle' => null,
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'fontWeight' => null,
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'letterSpacing' => null,
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'lineHeight' => null,
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'textDecoration' => null,
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'textTransform' => null,
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),
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);
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/**
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* The valid properties under the styles key.
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*
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* @since 5.8.0 As `ALLOWED_STYLES`.
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* @since 5.9.0 Renamed from `ALLOWED_STYLES` to `VALID_STYLES`,
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* added new properties for `border`, `filter`, `spacing`,
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* and `typography`.
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* @var array
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*/
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const VALID_STYLES = array(
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'border' => array(
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'color' => null,
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'radius' => null,
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'style' => null,
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'width' => null,
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),
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'color' => array(
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'background' => null,
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'gradient' => null,
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'text' => null,
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),
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'filter' => array(
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'duotone' => null,
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),
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'spacing' => array(
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'margin' => null,
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'padding' => null,
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'blockGap' => 'top',
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),
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'typography' => array(
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'fontFamily' => null,
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'fontSize' => null,
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'fontStyle' => null,
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'fontWeight' => null,
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'letterSpacing' => null,
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'lineHeight' => null,
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'textDecoration' => null,
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'textTransform' => null,
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),
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);
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/**
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* The valid elements that can be found under styles.
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*
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* @since 5.8.0
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* @var string[]
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*/
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const ELEMENTS = array(
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'link' => 'a',
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'h1' => 'h1',
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'h2' => 'h2',
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'h3' => 'h3',
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'h4' => 'h4',
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'h5' => 'h5',
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'h6' => 'h6',
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);
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/**
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* The latest version of the schema in use.
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*
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* @since 5.8.0
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* @since 5.9.0 Changed value from 1 to 2.
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* @var int
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*/
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const LATEST_SCHEMA = 2;
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/**
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* Constructor.
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*
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* @since 5.8.0
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*
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* @param array $theme_json A structure that follows the theme.json schema.
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* @param string $origin Optional. What source of data this object represents.
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* One of 'default', 'theme', or 'custom'. Default 'theme'.
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*/
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public function __construct( $theme_json = array(), $origin = 'theme' ) {
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if ( ! in_array( $origin, static::VALID_ORIGINS, true ) ) {
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$origin = 'theme';
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}
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$this->theme_json = WP_Theme_JSON_Schema::migrate( $theme_json );
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$valid_block_names = array_keys( static::get_blocks_metadata() );
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$valid_element_names = array_keys( static::ELEMENTS );
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$theme_json = static::sanitize( $this->theme_json, $valid_block_names, $valid_element_names );
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$this->theme_json = static::maybe_opt_in_into_settings( $theme_json );
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// Internally, presets are keyed by origin.
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$nodes = static::get_setting_nodes( $this->theme_json );
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foreach ( $nodes as $node ) {
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foreach ( static::PRESETS_METADATA as $preset_metadata ) {
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$path = array_merge( $node['path'], $preset_metadata['path'] );
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$preset = _wp_array_get( $this->theme_json, $path, null );
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if ( null !== $preset ) {
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// If the preset is not already keyed by origin.
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if ( isset( $preset[0] ) || empty( $preset ) ) {
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_wp_array_set( $this->theme_json, $path, array( $origin => $preset ) );
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}
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}
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}
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}
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}
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/**
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* Enables some opt-in settings if theme declared support.
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*
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* @since 5.9.0
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*
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* @param array $theme_json A theme.json structure to modify.
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* @return array The modified theme.json structure.
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*/
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protected static function maybe_opt_in_into_settings( $theme_json ) {
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$new_theme_json = $theme_json;
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if (
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isset( $new_theme_json['settings']['appearanceTools'] ) &&
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true === $new_theme_json['settings']['appearanceTools']
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) {
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static::do_opt_in_into_settings( $new_theme_json['settings'] );
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}
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if ( isset( $new_theme_json['settings']['blocks'] ) && is_array( $new_theme_json['settings']['blocks'] ) ) {
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foreach ( $new_theme_json['settings']['blocks'] as &$block ) {
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if ( isset( $block['appearanceTools'] ) && ( true === $block['appearanceTools'] ) ) {
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static::do_opt_in_into_settings( $block );
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}
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}
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}
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return $new_theme_json;
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}
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/**
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* Enables some settings.
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*
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* @since 5.9.0
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*
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* @param array $context The context to which the settings belong.
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*/
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protected static function do_opt_in_into_settings( &$context ) {
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$to_opt_in = array(
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array( 'border', 'color' ),
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array( 'border', 'radius' ),
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array( 'border', 'style' ),
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array( 'border', 'width' ),
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array( 'color', 'link' ),
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array( 'spacing', 'blockGap' ),
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array( 'spacing', 'margin' ),
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array( 'spacing', 'padding' ),
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array( 'typography', 'lineHeight' ),
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);
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foreach ( $to_opt_in as $path ) {
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// Use "unset prop" as a marker instead of "null" because
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// "null" can be a valid value for some props (e.g. blockGap).
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if ( 'unset prop' === _wp_array_get( $context, $path, 'unset prop' ) ) {
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_wp_array_set( $context, $path, true );
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}
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}
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unset( $context['appearanceTools'] );
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}
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/**
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* Sanitizes the input according to the schemas.
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*
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* @since 5.8.0
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* @since 5.9.0 Added the `$valid_block_names` and `$valid_element_name` parameters.
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*
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* @param array $input Structure to sanitize.
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* @param array $valid_block_names List of valid block names.
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* @param array $valid_element_names List of valid element names.
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* @return array The sanitized output.
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*/
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protected static function sanitize( $input, $valid_block_names, $valid_element_names ) {
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$output = array();
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if ( ! is_array( $input ) ) {
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return $output;
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}
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$output = array_intersect_key( $input, array_flip( static::VALID_TOP_LEVEL_KEYS ) );
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// Some styles are only meant to be available at the top-level (e.g.: blockGap),
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// hence, the schema for blocks & elements should not have them.
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$styles_non_top_level = static::VALID_STYLES;
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foreach ( array_keys( $styles_non_top_level ) as $section ) {
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foreach ( array_keys( $styles_non_top_level[ $section ] ) as $prop ) {
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if ( 'top' === $styles_non_top_level[ $section ][ $prop ] ) {
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unset( $styles_non_top_level[ $section ][ $prop ] );
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}
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}
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}
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// Build the schema based on valid block & element names.
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$schema = array();
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$schema_styles_elements = array();
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foreach ( $valid_element_names as $element ) {
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$schema_styles_elements[ $element ] = $styles_non_top_level;
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}
|
|
$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-top: 0; margin-bottom: 0; }';
|
|
$block_rules .= '.wp-site-blocks > * + * { margin-top: 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;
|
|
}
|
|
|
|
/**
|
|
* 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::should_override_preset( $this->theme_json, $node['path'], $preset['override'] );
|
|
|
|
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
|
|
*
|
|
* @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 ) {
|
|
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;
|
|
}
|
|
|
|
}
|