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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;
}
}