wp-ses / classes / Autoloader.php

Autoloader.php in WP Offload SES Lite 1.3, at classes/Autoloader.php

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1	<?php
2	/**
3	* Autoloader for WP Offload SES.
4	*
5	* @author Delicious Brains
6	* @package WP Offload SES
7	*/
8
9	namespace DeliciousBrains\WP_Offload_SES;
10
11	/**
12	* Class Autoloader
13	*
14	* @since 1.0.0
15	*/
16	class Autoloader {
17
18	/**
19	* Path to the main plugin file.
20	*
21	* @var string
22	*/
23	protected $abspath;
24
25	/**
26	* Prefix to use in namespaces.
27	*
28	* @var string
29	*/
30	protected $prefix;
31
32	/**
33	* Vendor to use in namespaces.
34	*
35	* @var string
36	*/
37	protected $vendor = 'DeliciousBrains';
38
39	/**
40	* Autoloader constructor.
41	*
42	* @param string $prefix Prefix to use in namespaces.
43	* @param string $abspath Path to the main plugin file.
44	*
45	* @throws \Exception
46	*/
47	public function __construct( $prefix, $abspath ) {
48	$this->prefix = $prefix;
49	$this->abspath = $abspath;
50
51	$this->register_autoloader();
52	}
53
54	/**
55	* Registers the autoloader.
56	*
57	* @return bool
58	* @throws \Exception
59	*/
60	public function register_autoloader() {
61	return spl_autoload_register( array( $this, 'autoloader' ) );
62	}
63
64	/**
65	* Load the classes.
66	*
67	* @param string $class_name The class to load.
68	*/
69	public function autoloader( $class_name ) {
70	if ( ! $this->class_belongs_to_plugin( $class_name ) ) {
71	return;
72	}
73
74	$class_path = $this->get_class_path( $class_name );
75	$path = $this->get_classes_directory() . $class_path;
76
77	if ( file_exists( $path ) ) {
78	require $path;
79	} else {
80	$path = $this->get_classes_directory( true ) . $class_path;
81
82	if ( file_exists( $path ) ) {
83	require $path;
84	}
85	}
86	}
87
88	/**
89	* Class belong to plugin.
90	*
91	* @param string $class_name The class name.
92	*
93	* @return bool
94	*/
95	protected function class_belongs_to_plugin( $class_name ) {
96	if ( 0 !== strpos( $class_name, $this->vendor . '\\' . $this->prefix . '\\' ) ) {
97	return false;
98	}
99
100	return true;
101	}
102
103	/**
104	* Get class path.
105	*
106	* @param string $class_name The class name.
107	*
108	* @return string
109	*/
110	protected function get_class_path( $class_name ) {
111	$parts = explode( '\\', $class_name );
112	$parts = array_slice( $parts, 2 );
113
114	$filename = implode( DIRECTORY_SEPARATOR, $parts ) . '.php';
115
116	return str_replace( '_', '-', $filename );
117	}
118
119	/**
120	* Get classes directory.
121	*
122	* @param bool $vendor If the path should include the vendor directory.
123	*
124	* @return string
125	*/
126	protected function get_classes_directory( $vendor = false ) {
127	$dir = $vendor ? 'vendor' : 'classes';
128	return $this->abspath . DIRECTORY_SEPARATOR . $dir . DIRECTORY_SEPARATOR;
129	}
130
131	}
132