1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types = 1); |
4
|
|
|
|
5
|
|
|
namespace drupol\phpvfs\Node; |
6
|
|
|
|
7
|
|
|
use drupol\phpvfs\Utils\Path; |
8
|
|
|
|
9
|
|
|
/** |
10
|
|
|
* Class File. |
11
|
|
|
*/ |
12
|
|
|
class File extends FilesystemNode implements FileInterface |
13
|
|
|
{ |
14
|
|
|
/** |
15
|
|
|
* File constructor. |
16
|
|
|
* |
17
|
|
|
* @param array $attributes |
18
|
|
|
*/ |
19
|
13 |
|
public function __construct( |
20
|
|
|
array $attributes = [] |
21
|
|
|
) { |
22
|
|
|
$attributes += [ |
23
|
13 |
|
'content' => '', |
24
|
|
|
'position' => 0, |
25
|
|
|
]; |
26
|
|
|
|
27
|
13 |
|
parent::__construct($attributes, null); |
28
|
13 |
|
} |
29
|
|
|
|
30
|
|
|
/** |
31
|
|
|
* @return bool |
32
|
|
|
*/ |
33
|
1 |
|
public function atEof() |
34
|
|
|
{ |
35
|
1 |
|
return $this->getPosition() >= \strlen($this->getAttribute('content')); |
36
|
|
|
} |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* @param string $id |
40
|
|
|
* @param string $content |
41
|
|
|
* @param array $attributes |
42
|
|
|
* |
43
|
|
|
* @throws \Exception |
44
|
|
|
* |
45
|
|
|
* @return \drupol\phpvfs\Node\File |
46
|
|
|
*/ |
47
|
12 |
|
public static function create(string $id, string $content = '', array $attributes = []) |
48
|
|
|
{ |
49
|
12 |
|
$path = Path::fromString($id); |
50
|
|
|
|
51
|
12 |
|
$dirname = $path->dirname(); |
52
|
|
|
|
53
|
12 |
|
$basedir = null; |
54
|
12 |
|
if (!empty($dirname) && '.' !== $dirname) { |
55
|
11 |
|
$basedir = Directory::create($dirname); |
56
|
|
|
} |
57
|
|
|
|
58
|
|
|
$attributes = [ |
59
|
12 |
|
'id' => $path->basename(), |
60
|
12 |
|
'content' => $content, |
61
|
12 |
|
] + $attributes; |
62
|
|
|
|
63
|
12 |
|
$file = new self($attributes); |
64
|
|
|
|
65
|
12 |
|
if (null !== $basedir) { |
66
|
11 |
|
$basedir->add($file); |
67
|
|
|
} |
68
|
|
|
|
69
|
12 |
|
return $file; |
70
|
|
|
} |
71
|
|
|
|
72
|
|
|
/** |
73
|
|
|
* @return int |
74
|
|
|
*/ |
75
|
7 |
|
public function getPosition(): int |
76
|
|
|
{ |
77
|
7 |
|
return $this->getAttribute('position'); |
|
|
|
|
78
|
|
|
} |
79
|
|
|
|
80
|
|
|
/** |
81
|
|
|
* @param int $bytes |
82
|
|
|
* |
83
|
|
|
* @return string |
84
|
|
|
*/ |
85
|
3 |
|
public function read(int $bytes): string |
86
|
|
|
{ |
87
|
3 |
|
$data = \substr( |
88
|
3 |
|
$this->getAttribute('content'), |
89
|
3 |
|
$this->getPosition(), |
90
|
3 |
|
$bytes |
91
|
|
|
); |
92
|
|
|
|
93
|
3 |
|
$this->offsetPosition($bytes); |
94
|
|
|
|
95
|
3 |
|
return $data; |
96
|
|
|
} |
97
|
|
|
|
98
|
|
|
/** |
99
|
|
|
* {@inheritdoc} |
100
|
|
|
*/ |
101
|
1 |
|
public function seekToEnd() |
102
|
|
|
{ |
103
|
1 |
|
return $this->setPosition( |
104
|
1 |
|
\strlen($this->getAttribute('content')) |
105
|
|
|
); |
106
|
|
|
} |
107
|
|
|
|
108
|
|
|
/** |
109
|
|
|
* @param int $position |
110
|
|
|
* |
111
|
|
|
* @return $this |
112
|
|
|
*/ |
113
|
7 |
|
public function setPosition(int $position): FileInterface |
114
|
|
|
{ |
115
|
7 |
|
$this->setAttribute('position', $position); |
116
|
|
|
|
117
|
7 |
|
return $this; |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
/** |
121
|
|
|
* @return int |
122
|
|
|
*/ |
123
|
7 |
|
public function size(): int |
124
|
|
|
{ |
125
|
7 |
|
return \strlen($this->getAttribute('content')); |
126
|
|
|
} |
127
|
|
|
|
128
|
|
|
/** |
129
|
|
|
* @param int $bytes |
130
|
|
|
*/ |
131
|
5 |
|
public function truncate(int $bytes = 0) |
132
|
|
|
{ |
133
|
5 |
|
$this->setPosition(0); |
134
|
5 |
|
$newData = \substr($this->getAttribute('content'), 0, $bytes); |
135
|
|
|
|
136
|
5 |
|
if (\is_string($newData)) { |
|
|
|
|
137
|
5 |
|
$this->setAttribute('content', $newData); |
138
|
|
|
} |
139
|
5 |
|
} |
140
|
|
|
|
141
|
|
|
/** |
142
|
|
|
* @param string $data |
143
|
|
|
* |
144
|
|
|
* @return int |
145
|
|
|
*/ |
146
|
6 |
|
public function write(string $data): int |
147
|
|
|
{ |
148
|
6 |
|
$content = $this->getAttribute('content'); |
149
|
6 |
|
$content = \substr($content, 0, $this->getPosition()); |
150
|
|
|
|
151
|
6 |
|
$content .= $data; |
152
|
6 |
|
$this->setAttribute('content', $content); |
153
|
|
|
|
154
|
6 |
|
$written = \strlen($data); |
155
|
6 |
|
$this->offsetPosition($written); |
156
|
|
|
|
157
|
6 |
|
return $written; |
158
|
|
|
} |
159
|
|
|
|
160
|
|
|
/** |
161
|
|
|
* @param int $offset |
162
|
|
|
* |
163
|
|
|
* @return int |
164
|
|
|
*/ |
165
|
7 |
|
protected function offsetPosition($offset): int |
166
|
|
|
{ |
167
|
7 |
|
$contentSize = $this->size(); |
168
|
7 |
|
$newPosition = $this->getPosition() + $offset; |
169
|
|
|
|
170
|
7 |
|
$newPosition = $contentSize < $newPosition ? |
171
|
3 |
|
$contentSize : |
172
|
7 |
|
$newPosition; |
173
|
|
|
|
174
|
7 |
|
$this->setPosition($newPosition); |
175
|
|
|
|
176
|
7 |
|
return $newPosition; |
177
|
|
|
} |
178
|
|
|
} |
179
|
|
|
|