blob: 24a4723d1e33e6dc28c8f8247248e2b8ef1a3594 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
<?php
/**
* SPDX-FileCopyrightText: 2014 Robin Appelman <robin@icewind.nl>
* SPDX-License-Identifier: MIT
*/
namespace Icewind\Streams;
/**
* Create a directory handle from an iterator or array
*
* The following options should be passed in the context when opening the stream
* [
* 'dir' => [
* 'array' => string[]
* 'iterator' => \Iterator
* ]
* ]
*
* Either 'array' or 'iterator' need to be set, if both are set, 'iterator' takes preference
*/
class IteratorDirectory extends WrapperHandler implements Directory {
/**
* @var resource
*/
public $context;
/**
* @var \Iterator
*/
protected $iterator;
/**
* Load the source from the stream context and return the context options
*
* @param string $name
* @return array
* @throws \BadMethodCallException
*/
protected function loadContext($name = null) {
$context = parent::loadContext($name);
if (isset($context['iterator'])) {
$this->iterator = $context['iterator'];
} elseif (isset($context['array'])) {
$this->iterator = new \ArrayIterator($context['array']);
} else {
throw new \BadMethodCallException('Invalid context, iterator or array not set');
}
return $context;
}
/**
* @param string $path
* @param array $options
* @return bool
*/
public function dir_opendir($path, $options) {
$this->loadContext();
return true;
}
/**
* @return string|bool
*/
public function dir_readdir() {
if ($this->iterator->valid()) {
$result = $this->iterator->current();
$this->iterator->next();
return $result;
} else {
return false;
}
}
/**
* @return bool
*/
public function dir_closedir() {
return true;
}
/**
* @return bool
*/
public function dir_rewinddir() {
$this->iterator->rewind();
return true;
}
/**
* Creates a directory handle from the provided array or iterator
*
* @param \Iterator | array $source
* @return resource|false
*
* @throws \BadMethodCallException
*/
public static function wrap($source) {
if ($source instanceof \Iterator) {
$options = [
'iterator' => $source
];
} elseif (is_array($source)) {
$options = [
'array' => $source
];
} else {
throw new \BadMethodCallException('$source should be an Iterator or array');
}
return self::wrapSource(self::NO_SOURCE_DIR, $options);
}
}
|
