templately / core / autoloader.php

autoloader.php in Templately – Elementor & Gutenberg Template Library: 6500+ Free & Pro Ready Templates And Cloud! 1.3.1, at core/autoloader.php

119 lines 2.9 KB

Raw Download Zip

1	<?php
2
3	/**
4	* Includes the Autoloader used.
5	* @package Templately
6	*/
7
8	namespace Templately;
9
10	// if direct access than exit the file.
11	defined('ABSPATH') \|\| exit;
12
13	class Autoloader {
14	/**
15	* Instance of Autoloader
16	* @var Autoloader
17	*/
18	private static $_instance = null;
19	/**
20	* Classes map.
21	* Maps classes to file names.
22	* @access private
23	* @static
24	* @var array Classes array use by Templately.
25	*/
26	private static $classes_map;
27	/**
28	* Classes directory.
29	* Maps classes to file names.
30	* @access private
31	* @static
32	* Classes folder used for @package Templately.
33	*/
34	private static $SOURCE_DIRECTORY = TEMPLATELY_PATH;
35	/**
36	* Classmap file for Autoloader
37	* @access private
38	* @static
39	* Classes array used for @package Templately.
40	*/
41	private static $CLASS_MAPS_FILE = __DIR__ . '/classmaps.php';
42
43	/**
44	* Get a single instace of Autoloader
45	* @return Autoloader
46	*/
47	public static function init() {
48	if (is_null(self::$_instance)) {
49	self::$_instance = new self();
50	}
51	return self::$_instance;
52	}
53
54	/**
55	* Automatically get invoked when initilize the Autoloader.
56	*/
57	public function __construct() {
58	spl_autoload_register(array(&$this, 'autoload'));
59	}
60
61	/**
62	* Autoload function ensure that, every class you called is loaded properly.
63	* @param Object $class
64	* @access private
65	* @return void
66	*/
67	private function autoload($class) {
68	if (0 !== strpos($class, __NAMESPACE__ . '\\')) {
69	return;
70	}
71	$relative_class_name = preg_match( '/.*\\\\([\\w]+)/', $class, $matches );
72	if( count( $matches ) > 1 ){
73	$relative_class_name = $matches[1];
74	}
75	if( ! class_exists( $class ) ){
76	self::load_class( $relative_class_name );
77	}
78	}
79
80	/**
81	* Load class.
82	*
83	* For a given class name, require the class file.
84	*
85	* @access private
86	* @static
87	* @param string $relative_class_name Class name.
88	*/
89	private static function load_class($relative_class_name) {
90	$classes_map = self::get_classes_map();
91
92	if (isset($classes_map[ $relative_class_name ])) {
93	$filename = self::$SOURCE_DIRECTORY . $classes_map[ $relative_class_name ];
94	if (is_readable($filename)) {
95	require $filename;
96	}
97	}
98	}
99
100	/**
101	* Get the class map, if its not set than load the classmap file.
102	* @return void
103	*/
104	private static function get_classes_map() {
105	if (!self::$classes_map) {
106	self::init_classes_map();
107	}
108	return self::$classes_map;
109	}
110
111	/**
112	* Loader of the classmap file.
113	* @return array of classes.
114	*/
115	private static function init_classes_map() {
116	self::$classes_map = require_once self::$CLASS_MAPS_FILE;
117	}
118	}
119