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<?php /** * Font Library class. * * This file contains the Font Library class definition. * * @package WordPress * @subpackage Fonts * @since 6.5.0 */ /** * Font Library class. * * @since 6.5.0 */ class WP_Font_Library { /** * Font collections. * * @since 6.5.0 * @var array */ private $collections = array(); /** * Container for the main instance of the class. * * @since 6.5.0 * @var WP_Font_Library|null */ private static $instance = null; /** * Register a new font collection. * * @since 6.5.0 * * @param string $slug Font collection slug. May only contain alphanumeric characters, dashes, * and underscores. See sanitize_title(). * @param array $args Font collection data. See wp_register_font_collection() for information on accepted arguments. * @return WP_Font_Collection|WP_Error A font collection if it was registered successfully, * or WP_Error object on failure. */ public function register_font_collection( string $slug, array $args ) { $new_collection = new WP_Font_Collection( $slug, $args ); if ( $this->is_collection_registered( $new_collection->slug ) ) { $error_message = sprintf( /* translators: %s: Font collection slug. */ __( 'Font collection with slug: "%s" is already registered.' ), $new_collection->slug ); _doing_it_wrong( __METHOD__, $error_message, '6.5.0' ); return new WP_Error( 'font_collection_registration_error', $error_message ); } $this->collections[ $new_collection->slug ] = $new_collection; return $new_collection; } /** * Unregisters a previously registered font collection. * * @since 6.5.0 * * @param string $slug Font collection slug. * @return bool True if the font collection was unregistered successfully and false otherwise. */ public function unregister_font_collection( string $slug ) { if ( ! $this->is_collection_registered( $slug ) ) { _doing_it_wrong( __METHOD__, /* translators: %s: Font collection slug. */ sprintf( __( 'Font collection "%s" not found.' ), $slug ), '6.5.0' ); return false; } unset( $this->collections[ $slug ] ); return true; } /** * Checks if a font collection is registered. * * @since 6.5.0 * * @param string $slug Font collection slug. * @return bool True if the font collection is registered and false otherwise. */ private function is_collection_registered( string $slug ) { return array_key_exists( $slug, $this->collections ); } /** * Gets all the font collections available. * * @since 6.5.0 * * @return array List of font collections. */ public function get_font_collections() { return $this->collections; } /** * Gets a font collection. * * @since 6.5.0 * * @param string $slug Font collection slug. * @return WP_Font_Collection|null Font collection object, or null if the font collection doesn't exist. */ public function get_font_collection( string $slug ) { if ( $this->is_collection_registered( $slug ) ) { return $this->collections[ $slug ]; } return null; } /** * Utility method to retrieve the main instance of the class. * * The instance will be created if it does not exist yet. * * @since 6.5.0 * * @return WP_Font_Library The main instance. */ public static function get_instance() { if ( null === self::$instance ) { self::$instance = new self(); } return self::$instance; } }