| @@ -1,0 +1,87 @@ | ||
| 1 | +<?php | |
| 2 | +namespace ABlocks; | |
| 3 | + | |
| 4 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 5 | + exit; // Exit if accessed directly. | |
| 6 | +} | |
| 7 | + | |
| 8 | +class Autoload { | |
| 9 | + | |
| 10 | + /** | |
| 11 | + * Instance | |
| 12 | + * | |
| 13 | + * @access private | |
| 14 | + * @var object Class Instance. | |
| 15 | + * @since 1.1.0 | |
| 16 | + */ | |
| 17 | + private static $instance; | |
| 18 | + | |
| 19 | + /** | |
| 20 | + * Autoload directories for different namespaces. | |
| 21 | + * | |
| 22 | + * @var array | |
| 23 | + */ | |
| 24 | + private $autoload_directories = array( | |
| 25 | + 'ABlocks' => ABLOCKS_ROOT_DIR_PATH . 'includes/', | |
| 26 | + ); | |
| 27 | + | |
| 28 | + /** | |
| 29 | + * Initiator | |
| 30 | + * | |
| 31 | + * @since 1.1.0 | |
| 32 | + * @return object initialized object of class. | |
| 33 | + */ | |
| 34 | + public static function get_instance() { | |
| 35 | + if ( ! isset( self::$instance ) ) { | |
| 36 | + self::$instance = new self(); | |
| 37 | + } | |
| 38 | + return self::$instance; | |
| 39 | + } | |
| 40 | + | |
| 41 | + /** | |
| 42 | + * Register autoload directories for namespaces. | |
| 43 | + * | |
| 44 | + * @param string $namespace Namespace to autoload. | |
| 45 | + * @param string $directory Directory path for the namespace. | |
| 46 | + */ | |
| 47 | + public function add_namespace_directory( $namespace, $directory ) { | |
| 48 | + $this->autoload_directories[ $namespace ] = $directory; | |
| 49 | + } | |
| 50 | + | |
| 51 | + /** | |
| 52 | + * Autoload classes. | |
| 53 | + * | |
| 54 | + * @param string $class Class name. | |
| 55 | + */ | |
| 56 | + public function autoload( $class ) { | |
| 57 | + foreach ( $this->autoload_directories as $namespace => $directory ) { | |
| 58 | + if ( 0 === strpos( $class, $namespace ) ) { | |
| 59 | + $class_to_load = $class; | |
| 60 | + $filename = strtolower( | |
| 61 | + preg_replace( | |
| 62 | + [ '/^' . $namespace . '\\\/', '/([a-z])([A-Z])/', '/_/', '/\\\/' ], | |
| 63 | + [ '', '$1-$2', '-', DIRECTORY_SEPARATOR ], | |
| 64 | + $class_to_load | |
| 65 | + ) | |
| 66 | + ); | |
| 67 | + $file = $directory . $filename . '.php'; | |
| 68 | + // If the file is readable, include it. | |
| 69 | + if ( is_readable( $file ) ) { | |
| 70 | + require_once $file; | |
| 71 | + } | |
| 72 | + } | |
| 73 | + } | |
| 74 | + } | |
| 75 | + | |
| 76 | + /** | |
| 77 | + * Constructor | |
| 78 | + * | |
| 79 | + * @since 1.1.0 | |
| 80 | + */ | |
| 81 | + public function __construct() { | |
| 82 | + spl_autoload_register( [ $this, 'autoload' ] ); | |
| 83 | + } | |
| 84 | +} | |
| 85 | + | |
| 86 | + | |
| 87 | +Autoload::get_instance(); | |