152 lines
4.1 KiB
PHP
152 lines
4.1 KiB
PHP
<?php
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/**
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* WP_Theme_JSON_Schema class
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*
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* @package WordPress
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* @subpackage Theme
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* @since 5.9.0
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*/
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/**
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* Class that migrates a given theme.json structure to the latest schema.
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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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* @since 5.9.0
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* @access private
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*/
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#[AllowDynamicProperties]
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class WP_Theme_JSON_Schema {
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/**
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* Maps old properties to their new location within the schema's settings.
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* This will be applied at both the defaults and individual block levels.
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*/
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const V1_TO_V2_RENAMED_PATHS = array(
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'border.customRadius' => 'border.radius',
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'spacing.customMargin' => 'spacing.margin',
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'spacing.customPadding' => 'spacing.padding',
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'typography.customLineHeight' => 'typography.lineHeight',
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);
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/**
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* Function that migrates a given theme.json structure to the last version.
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*
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* @since 5.9.0
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*
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* @param array $theme_json The structure to migrate.
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*
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* @return array The structure in the last version.
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*/
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public static function migrate( $theme_json ) {
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if ( ! isset( $theme_json['version'] ) ) {
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$theme_json = array(
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'version' => WP_Theme_JSON::LATEST_SCHEMA,
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);
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}
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if ( 1 === $theme_json['version'] ) {
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$theme_json = self::migrate_v1_to_v2( $theme_json );
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}
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return $theme_json;
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}
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/**
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* Removes the custom prefixes for a few properties
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* that were part of v1:
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*
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* 'border.customRadius' => 'border.radius',
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* 'spacing.customMargin' => 'spacing.margin',
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* 'spacing.customPadding' => 'spacing.padding',
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* 'typography.customLineHeight' => 'typography.lineHeight',
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*
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* @since 5.9.0
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*
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* @param array $old Data to migrate.
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*
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* @return array Data without the custom prefixes.
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*/
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private static function migrate_v1_to_v2( $old ) {
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// Copy everything.
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$new = $old;
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// Overwrite the things that changed.
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if ( isset( $old['settings'] ) ) {
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$new['settings'] = self::rename_paths( $old['settings'], self::V1_TO_V2_RENAMED_PATHS );
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}
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// Set the new version.
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$new['version'] = 2;
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return $new;
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}
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/**
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* Processes the settings subtree.
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*
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* @since 5.9.0
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*
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* @param array $settings Array to process.
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* @param array $paths_to_rename Paths to rename.
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*
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* @return array The settings in the new format.
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*/
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private static function rename_paths( $settings, $paths_to_rename ) {
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$new_settings = $settings;
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// Process any renamed/moved paths within default settings.
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self::rename_settings( $new_settings, $paths_to_rename );
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// Process individual block settings.
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if ( isset( $new_settings['blocks'] ) && is_array( $new_settings['blocks'] ) ) {
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foreach ( $new_settings['blocks'] as &$block_settings ) {
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self::rename_settings( $block_settings, $paths_to_rename );
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}
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}
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return $new_settings;
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}
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/**
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* Processes a settings array, renaming or moving properties.
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*
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* @since 5.9.0
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*
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* @param array $settings Reference to settings either defaults or an individual block's.
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* @param array $paths_to_rename Paths to rename.
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*/
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private static function rename_settings( &$settings, $paths_to_rename ) {
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foreach ( $paths_to_rename as $original => $renamed ) {
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$original_path = explode( '.', $original );
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$renamed_path = explode( '.', $renamed );
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$current_value = _wp_array_get( $settings, $original_path, null );
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if ( null !== $current_value ) {
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_wp_array_set( $settings, $renamed_path, $current_value );
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self::unset_setting_by_path( $settings, $original_path );
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}
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}
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}
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/**
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* Removes a property from within the provided settings by its path.
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*
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* @since 5.9.0
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*
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* @param array $settings Reference to the current settings array.
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* @param array $path Path to the property to be removed.
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*/
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private static function unset_setting_by_path( &$settings, $path ) {
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$tmp_settings = &$settings;
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$last_key = array_pop( $path );
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foreach ( $path as $key ) {
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$tmp_settings = &$tmp_settings[ $key ];
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}
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unset( $tmp_settings[ $last_key ] );
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}
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}
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