auto-alt-text / vendor-prefixed / laravel / serializable-closure / src / Support / ClosureStream.php

ClosureStream.php in Auto Alt Text 2.8.2, at vendor-prefixed/laravel/serializable-closure/src/Support/ClosureStream.php

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1	<?php
2
3	namespace AATXT\Vendor\Laravel\SerializableClosure\Support;
4
5	#[\AllowDynamicProperties]
6	class ClosureStream
7	{
8	/**
9	* The stream protocol.
10	*/
11	const STREAM_PROTO = 'laravel-serializable-closure';
12
13	/**
14	* Checks if this stream is registered.
15	*
16	* @var bool
17	*/
18	protected static $isRegistered = false;
19
20	/**
21	* The stream content.
22	*
23	* @var string
24	*/
25	protected $content;
26
27	/**
28	* The stream content.
29	*
30	* @var int
31	*/
32	protected $length;
33
34	/**
35	* The stream pointer.
36	*
37	* @var int
38	*/
39	protected $pointer = 0;
40
41	/**
42	* Opens file or URL.
43	*
44	* @param string $path
45	* @param string $mode
46	* @param string $options
47	* @param string\|null $opened_path
48	* @return bool
49	*/
50	public function stream_open($path, $mode, $options, &$opened_path)
51	{
52	$this->content = "<?php\nreturn ".substr($path, strlen(static::STREAM_PROTO.'://')).';';
53	$this->length = strlen($this->content);
54
55	return true;
56	}
57
58	/**
59	* Read from stream.
60	*
61	* @param int $count
62	* @return string
63	*/
64	public function stream_read($count)
65	{
66	$value = substr($this->content, $this->pointer, $count);
67
68	$this->pointer += $count;
69
70	return $value;
71	}
72
73	/**
74	* Tests for end-of-file on a file pointer.
75	*
76	* @return bool
77	*/
78	public function stream_eof()
79	{
80	return $this->pointer >= $this->length;
81	}
82
83	/**
84	* Change stream options.
85	*
86	* @param int $option
87	* @param int $arg1
88	* @param int $arg2
89	* @return bool
90	*/
91	public function stream_set_option($option, $arg1, $arg2)
92	{
93	return false;
94	}
95
96	/**
97	* Retrieve information about a file resource.
98	*
99	* @return array\|bool
100	*/
101	public function stream_stat()
102	{
103	$stat = stat(__FILE__);
104	// @phpstan-ignore-next-line
105	$stat[7] = $stat['size'] = $this->length;
106
107	return $stat;
108	}
109
110	/**
111	* Retrieve information about a file.
112	*
113	* @param string $path
114	* @param int $flags
115	* @return array\|bool
116	*/
117	public function url_stat($path, $flags)
118	{
119	$stat = stat(__FILE__);
120	// @phpstan-ignore-next-line
121	$stat[7] = $stat['size'] = $this->length;
122
123	return $stat;
124	}
125
126	/**
127	* Seeks to specific location in a stream.
128	*
129	* @param int $offset
130	* @param int $whence
131	* @return bool
132	*/
133	public function stream_seek($offset, $whence = SEEK_SET)
134	{
135	$crt = $this->pointer;
136
137	switch ($whence) {
138	case SEEK_SET:
139	$this->pointer = $offset;
140	break;
141	case SEEK_CUR:
142	$this->pointer += $offset;
143	break;
144	case SEEK_END:
145	$this->pointer = $this->length + $offset;
146	break;
147	}
148
149	if ($this->pointer < 0 \|\| $this->pointer >= $this->length) {
150	$this->pointer = $crt;
151
152	return false;
153	}
154
155	return true;
156	}
157
158	/**
159	* Retrieve the current position of a stream.
160	*
161	* @return int
162	*/
163	public function stream_tell()
164	{
165	return $this->pointer;
166	}
167
168	/**
169	* Registers the stream.
170	*
171	* @return void
172	*/
173	public static function register()
174	{
175	if (! static::$isRegistered) {
176	static::$isRegistered = stream_wrapper_register(static::STREAM_PROTO, __CLASS__);
177	}
178	}
179	}
180