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<?php /** * Templates registry functions. * * @package WordPress * @since 6.7.0 / /* * Core class used for interacting with templates. * * @since 6.7.0 / final class WP_Block_Templates_Registry { /* * Registered templates, as `$name => $instance` pairs. * * @since 6.7.0 * @var WP_Block_Template[] $registered_block_templates Registered templates. / private $registered_templates = array(); /* * Container for the main instance of the class. * * @since 6.7.0 * @var WP_Block_Templates_Registry\|null / private static $instance = null; /* * Registers a template. * * @since 6.7.0 * * @param string $template_name Template name including namespace. * @param array $args Optional. Array of template arguments. * @return WP_Block_Template\|WP_Error The registered template on success, or WP_Error on failure. / public function register( $template_name, $args = array() ) { $template = null; $error_message = ''; $error_code = ''; if ( ! is_string( $template_name ) ) { $error_message = __( 'Template names must be strings.' ); $error_code = 'template_name_no_string'; } elseif ( preg_match( '/[A-Z]+/', $template_name ) ) { $error_message = __( 'Template names must not contain uppercase characters.' ); $error_code = 'template_name_no_uppercase'; } elseif ( ! preg_match( '/^[a-z0-9_\-]+\/\/[a-z0-9_\-]+$/', $template_name ) ) { $error_message = __( 'Template names must contain a namespace prefix. Example: my-plugin//my-custom-template' ); $error_code = 'template_no_prefix'; } elseif ( $this->is_registered( $template_name ) ) { / translators: %s: Template name. / $error_message = sprintf( __( 'Template "%s" is already registered.' ), $template_name ); $error_code = 'template_already_registered'; } if ( $error_message ) { _doing_it_wrong( __METHOD__, $error_message, '6.7.0' ); return new WP_Error( $error_code, $error_message ); } if ( ! $template ) { $theme_name = get_stylesheet(); list( $plugin, $slug ) = explode( '//', $template_name ); $default_template_types = get_default_block_template_types(); $template = new WP_Block_Template(); $template->id = $theme_name . '//' . $slug; $template->theme = $theme_name; $template->plugin = $plugin; $template->author = null; $template->content = isset( $args['content'] ) ? $args['content'] : ''; $template->source = 'plugin'; $template->slug = $slug; $template->type = 'wp_template'; $template->title = isset( $args['title'] ) ? $args['title'] : $template_name; $template->description = isset( $args['description'] ) ? $args['description'] : ''; $template->status = 'publish'; $template->origin = 'plugin'; $template->is_custom = ! isset( $default_template_types[ $template_name ] ); $template->post_types = isset( $args['post_types'] ) ? $args['post_types'] : array(); } $this->registered_templates[ $template_name ] = $template; return $template; } /* * Retrieves all registered templates. * * @since 6.7.0 * * @return WP_Block_Template[] Associative array of `$template_name => $template` pairs. / public function get_all_registered() { return $this->registered_templates; } /* * Retrieves a registered template by its name. * * @since 6.7.0 * * @param string $template_name Template name including namespace. * @return WP_Block_Template\|null The registered template, or null if it is not registered. / public function get_registered( $template_name ) { if ( ! $this->is_registered( $template_name ) ) { return null; } return $this->registered_templates[ $template_name ]; } /* * Retrieves a registered template by its slug. * * @since 6.7.0 * * @param string $template_slug Slug of the template. * @return WP_Block_Template\|null The registered template, or null if it is not registered. / public function get_by_slug( $template_slug ) { $all_templates = $this->get_all_registered(); if ( ! $all_templates ) { return null; } foreach ( $all_templates as $template ) { if ( $template->slug === $template_slug ) { return $template; } } return null; } /* * Retrieves registered templates matching a query. * * @since 6.7.0 * * @param array $query { * Arguments to retrieve templates. Optional, empty by default. * * @type string[] $slug__in List of slugs to include. * @type string[] $slug__not_in List of slugs to skip. * @type string $post_type Post type to get the templates for. * } * @return WP_Block_Template[] Associative array of `$template_name => $template` pairs. / public function get_by_query( $query = array() ) { $all_templates = $this->get_all_registered(); if ( ! $all_templates ) { return array(); } $query = wp_parse_args( $query, array( 'slug__in' => array(), 'slug__not_in' => array(), 'post_type' => '', ) ); $slugs_to_include = $query['slug__in']; $slugs_to_skip = $query['slug__not_in']; $post_type = $query['post_type']; $matching_templates = array(); foreach ( $all_templates as $template_name => $template ) { if ( $slugs_to_include && ! in_array( $template->slug, $slugs_to_include, true ) ) { continue; } if ( $slugs_to_skip && in_array( $template->slug, $slugs_to_skip, true ) ) { continue; } if ( $post_type && ! in_array( $post_type, $template->post_types, true ) ) { continue; } $matching_templates[ $template_name ] = $template; } return $matching_templates; } /* * Checks if a template is registered. * * @since 6.7.0 * * @param string\|null $template_name Template name. * @return bool True if the template is registered, false otherwise. / public function is_registered( $template_name ) { return isset( $template_name, $this->registered_templates[ $template_name ] ); } /* * Unregisters a template. * * @since 6.7.0 * * @param string $template_name Template name including namespace. * @return WP_Block_Template\|WP_Error The unregistered template on success, or WP_Error on failure. / public function unregister( $template_name ) { if ( ! $this->is_registered( $template_name ) ) { / translators: %s: Template name. / $error_message = sprintf( __( 'Template "%s" is not registered.' ), $template_name ); _doing_it_wrong( __METHOD__, $error_message, '6.7.0' ); return new WP_Error( 'template_not_registered', $error_message ); } $unregistered_template = $this->registered_templates[ $template_name ]; unset( $this->registered_templates[ $template_name ] ); return $unregistered_template; } /* * Utility method to retrieve the main instance of the class. * * The instance will be created if it does not exist yet. * * @since 6.7.0 * * @return WP_Block_Templates_Registry The main instance. */ public static function get_instance() { if ( null === self::$instance ) { self::$instance = new self(); } return self::$instance; } }