|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* A list of lazy initialized loaders. |
|
4
|
|
|
* |
|
5
|
|
|
* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
|
6
|
|
|
* @copyright Copyright (c) 2009-2017 FluentDOM Contributors |
|
7
|
|
|
*/ |
|
8
|
|
|
|
|
9
|
|
|
namespace FluentDOM\Loader { |
|
10
|
|
|
|
|
11
|
|
|
use FluentDOM\DOM\Document; |
|
12
|
|
|
use FluentDOM\DOM\DocumentFragment; |
|
13
|
|
|
use FluentDOM\Loadable; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* A list of lazy initialized loaders. |
|
17
|
|
|
*/ |
|
18
|
|
|
class Lazy implements Loadable { |
|
19
|
|
|
|
|
20
|
|
|
private $_list = []; |
|
21
|
|
|
|
|
22
|
15 |
|
public function __construct(array $loaders = []) { |
|
23
|
15 |
|
foreach ($loaders as $contentType => $loader) { |
|
24
|
10 |
|
$this->add($contentType, $loader); |
|
25
|
|
|
} |
|
26
|
14 |
|
} |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* Add a loader to the list |
|
30
|
|
|
* |
|
31
|
|
|
* @param string $contentType |
|
32
|
|
|
* @param Loadable|callable $loader |
|
33
|
|
|
* @throws \UnexpectedValueException |
|
34
|
|
|
*/ |
|
35
|
14 |
|
public function add(string $contentType, $loader) { |
|
36
|
14 |
|
$contentType = $this->normalizeContentType($contentType); |
|
37
|
14 |
|
if ($loader instanceof Loadable || is_callable($loader)) { |
|
38
|
13 |
|
$this->_list[$contentType] = $loader; |
|
39
|
13 |
|
return; |
|
40
|
|
|
} |
|
41
|
1 |
|
throw new \UnexpectedValueException( |
|
42
|
1 |
|
sprintf( |
|
43
|
1 |
|
'Lazy loader for content type "%s" is not a callable or FluentDOM\Loadable', |
|
44
|
1 |
|
$contentType |
|
45
|
|
|
) |
|
46
|
|
|
); |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
|
|
/** |
|
50
|
|
|
* Add loader classes for different types |
|
51
|
|
|
* |
|
52
|
|
|
* @param array[] $classes ['class' => ['type/one', 'type/two'], ...] |
|
53
|
|
|
* @param string $namespace |
|
54
|
|
|
* @throws \LogicException |
|
55
|
|
|
* @throws \UnexpectedValueException |
|
56
|
|
|
*/ |
|
57
|
4 |
|
public function addClasses($classes, string $namespace = '') { |
|
58
|
4 |
|
foreach ($classes as $loader => $types) { |
|
59
|
4 |
|
$class = str_replace(['\\\\\\', '\\\\'], '\\', $namespace.'\\'.$loader); |
|
60
|
4 |
|
$callback = function() use ($class) { |
|
61
|
3 |
|
if (!class_exists($class)) { |
|
62
|
1 |
|
throw new \LogicException( |
|
63
|
1 |
|
sprintf( |
|
64
|
1 |
|
'Loader class "%s" not found.', $class |
|
65
|
|
|
) |
|
66
|
|
|
); |
|
67
|
|
|
} |
|
68
|
2 |
|
return new $class; |
|
69
|
4 |
|
}; |
|
70
|
4 |
|
if (is_array($types)) { |
|
71
|
2 |
|
foreach ($types as $type) { |
|
72
|
2 |
|
$this->add($type, $callback); |
|
73
|
|
|
} |
|
74
|
|
|
} else { |
|
75
|
2 |
|
$this->add((string)$types, $callback); |
|
76
|
|
|
} |
|
77
|
|
|
} |
|
78
|
4 |
|
} |
|
79
|
|
|
|
|
80
|
|
|
/** |
|
81
|
|
|
* @throws \UnexpectedValueException |
|
82
|
|
|
* @param string $contentType |
|
83
|
|
|
* @return bool|Loadable |
|
84
|
|
|
*/ |
|
85
|
10 |
|
public function get(string $contentType) { |
|
86
|
10 |
|
$contentType = $this->normalizeContentType($contentType); |
|
87
|
10 |
|
if (isset($this->_list[$contentType])) { |
|
88
|
8 |
|
if (!($this->_list[$contentType] instanceof Loadable)) { |
|
89
|
7 |
|
$this->_list[$contentType] = call_user_func($this->_list[$contentType]); |
|
90
|
|
|
} |
|
91
|
7 |
|
if (!($this->_list[$contentType] instanceof Loadable)) { |
|
92
|
1 |
|
unset($this->_list[$contentType]); |
|
93
|
1 |
|
throw new \UnexpectedValueException( |
|
94
|
1 |
|
sprintf( |
|
95
|
1 |
|
'Lazy loader for content type "%s" did not return a FluentDOM\Loadable', |
|
96
|
1 |
|
$contentType |
|
97
|
|
|
) |
|
98
|
|
|
); |
|
99
|
|
|
} |
|
100
|
6 |
|
return $this->_list[$contentType]; |
|
101
|
|
|
} |
|
102
|
2 |
|
return FALSE; |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
/** |
|
106
|
|
|
* @param string $contentType |
|
107
|
|
|
* @return bool |
|
108
|
|
|
*/ |
|
109
|
3 |
|
public function supports(string $contentType): bool { |
|
110
|
3 |
|
$contentType = $this->normalizeContentType($contentType); |
|
111
|
3 |
|
return isset($this->_list[$contentType]); |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
/** |
|
115
|
|
|
* @param mixed $source |
|
116
|
|
|
* @param mixed $contentType |
|
117
|
|
|
* @param array|\Traversable|Options $options |
|
118
|
|
|
* @return Document|Result|NULL |
|
119
|
|
|
*/ |
|
120
|
2 |
View Code Duplication |
public function load($source, string $contentType, $options = []) { |
|
121
|
2 |
|
$contentType = $this->normalizeContentType($contentType); |
|
122
|
2 |
|
if ($loader = $this->get($contentType)) { |
|
123
|
1 |
|
return $loader->load($source, $contentType, $options); |
|
124
|
|
|
} |
|
125
|
1 |
|
return NULL; |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
/** |
|
129
|
|
|
* @param mixed $source |
|
130
|
|
|
* @param string $contentType |
|
131
|
|
|
* @param array|\Traversable|Options $options |
|
132
|
|
|
* @return DocumentFragment|NULL |
|
133
|
|
|
* @throws \UnexpectedValueException |
|
134
|
|
|
*/ |
|
135
|
2 |
View Code Duplication |
public function loadFragment($source, string $contentType, $options = []) { |
|
136
|
2 |
|
$contentType = $this->normalizeContentType($contentType); |
|
137
|
2 |
|
if ($loader = $this->get($contentType)) { |
|
138
|
1 |
|
return $loader->loadFragment($source, $contentType, $options); |
|
139
|
|
|
} |
|
140
|
1 |
|
return NULL; |
|
141
|
|
|
} |
|
142
|
|
|
|
|
143
|
|
|
/** |
|
144
|
|
|
* @param string $contentType |
|
145
|
|
|
* @return string |
|
146
|
|
|
*/ |
|
147
|
15 |
|
private function normalizeContentType(string $contentType): string { |
|
148
|
15 |
|
return strtolower(trim($contentType)); |
|
149
|
|
|
} |
|
150
|
|
|
} |
|
151
|
|
|
} |
FluentDOM /
FluentDOM
