|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* Importers class. |
|
5
|
|
|
* |
|
6
|
|
|
* @package WordPoints_Importer |
|
7
|
|
|
* @since 1.3.0 |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
/** |
|
11
|
|
|
* Container class for the available importers. |
|
12
|
|
|
* |
|
13
|
|
|
* @since 1.0.0 |
|
14
|
|
|
*/ |
|
15
|
|
|
final class WordPoints_Importers { |
|
16
|
|
|
|
|
17
|
|
|
// |
|
18
|
|
|
// Private Vars. |
|
19
|
|
|
// |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* The registered importers. |
|
23
|
|
|
* |
|
24
|
|
|
* @since 1.0.0 |
|
25
|
|
|
* |
|
26
|
|
|
* @type array $importers |
|
27
|
|
|
*/ |
|
28
|
|
|
private static $importers = array(); |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* Whether the class has been initialized yet. |
|
32
|
|
|
* |
|
33
|
|
|
* @since 1.0.0 |
|
34
|
|
|
* |
|
35
|
|
|
* @type bool $initialized |
|
36
|
|
|
*/ |
|
37
|
|
|
private static $initialized = false; |
|
38
|
|
|
|
|
39
|
|
|
// |
|
40
|
|
|
// Private Functions. |
|
41
|
|
|
// |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* Initialize the class. |
|
45
|
|
|
* |
|
46
|
|
|
* @since 1.0.0 |
|
47
|
|
|
*/ |
|
48
|
|
|
private static function init() { |
|
49
|
|
|
|
|
50
|
|
|
// We do this first so we avoid infinite loops if this class is called by a |
|
51
|
|
|
// function hooked to the below action. |
|
52
|
|
|
self::$initialized = true; |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* Register importers. |
|
56
|
|
|
* |
|
57
|
|
|
* @since 1.0.0 |
|
58
|
|
|
*/ |
|
59
|
|
|
do_action( 'wordpoints_register_importers' ); |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
// |
|
63
|
|
|
// Public Functions. |
|
64
|
|
|
// |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* Get all of the registered importers. |
|
68
|
|
|
* |
|
69
|
|
|
* @since 1.0.0 |
|
70
|
|
|
* |
|
71
|
|
|
* @return array All of the registered importers. |
|
72
|
|
|
*/ |
|
73
|
|
|
public static function get() { |
|
74
|
|
|
|
|
75
|
|
|
if ( ! self::$initialized ) { |
|
76
|
|
|
self::init(); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
return self::$importers; |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
/** |
|
83
|
|
|
* Register an importer. |
|
84
|
|
|
* |
|
85
|
|
|
* If the importer is already registered, it will be overwritten. |
|
86
|
|
|
* |
|
87
|
|
|
* @since 1.0.0 |
|
88
|
|
|
* |
|
89
|
|
|
* @param string $slug The unique identifier for this importer. |
|
90
|
|
|
* @param array $args { |
|
91
|
|
|
* Other importer arguments. |
|
92
|
|
|
* |
|
93
|
|
|
* @type string $class The Importer class. |
|
94
|
|
|
* @type string $name The name of this importer. |
|
95
|
|
|
* } |
|
96
|
|
|
*/ |
|
97
|
|
|
public static function register( $slug, array $args ) { |
|
98
|
|
|
self::$importers[ $slug ] = $args; |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* Deregister an importer. |
|
103
|
|
|
* |
|
104
|
|
|
* @since 1.0.0 |
|
105
|
|
|
* |
|
106
|
|
|
* @param string $slug The slug of the importer to deregister. |
|
107
|
|
|
*/ |
|
108
|
|
|
public static function deregister( $slug ) { |
|
109
|
|
|
unset( self::$importers[ $slug ] ); |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** |
|
113
|
|
|
* Check if an importer is registered. |
|
114
|
|
|
* |
|
115
|
|
|
* @since 1.0.0 |
|
116
|
|
|
* |
|
117
|
|
|
* @param string $slug The slug of the importer. |
|
118
|
|
|
* |
|
119
|
|
|
* @return bool True if the importer is registered, otherwise false. |
|
120
|
|
|
*/ |
|
121
|
|
|
public static function is_registered( $slug ) { |
|
122
|
|
|
|
|
123
|
|
|
if ( ! self::$initialized ) { |
|
124
|
|
|
self::init(); |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
return isset( self::$importers[ $slug ] ); |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
|
|
/** |
|
131
|
|
|
* Get an instance of an importer. |
|
132
|
|
|
* |
|
133
|
|
|
* @since 1.0.0 |
|
134
|
|
|
* |
|
135
|
|
|
* @param string $slug The slug of the importer to get an instance of. |
|
136
|
|
|
* |
|
137
|
|
|
* @return WordPoints_Importer|false The importer, or false if it isn't registered. |
|
138
|
|
|
*/ |
|
139
|
|
|
public static function get_importer( $slug ) { |
|
140
|
|
|
|
|
141
|
|
|
if ( ! self::is_registered( $slug ) ) { |
|
142
|
|
|
return false; |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
|
|
$importer = self::$importers[ $slug ]; |
|
146
|
|
|
|
|
147
|
|
|
return new $importer['class']( $importer['name'] ); |
|
148
|
|
|
} |
|
149
|
|
|
} |
|
150
|
|
|
|
|
151
|
|
|
// EOF |
|
152
|
|
|
|