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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\View;
/**
* Stream wrapper to convert markup of mostly-PHP templates into PHP prior to
* include().
*
* Based in large part on the example at
* http://www.php.net/manual/en/function.stream-wrapper-register.php
*
* As well as the example provided at:
* http://mikenaberezny.com/2006/02/19/symphony-templates-ruby-erb/
* written by
* Mike Naberezny (@link http://mikenaberezny.com)
* Paul M. Jones (@link http://paul-m-jones.com)
*/
class Stream
{
/**
* Current stream position.
*
* @var int
*/
protected $pos = 0;
/**
* Data for streaming.
*
* @var string
*/
protected $data;
/**
* Stream stats.
*
* @var array
*/
protected $stat;
/**
* Opens the script file and converts markup.
*
* @param string $path
* @param $mode
* @param $options
* @param $opened_path
* @return bool
*/
// @codingStandardsIgnoreStart
public function stream_open($path, $mode, $options, &$opened_path)
{
// @codingStandardsIgnoreEnd
// get the view script source
$path = str_replace('zend.view://', '', $path);
$this->data = file_get_contents($path);
/**
* If reading the file failed, update our local stat store
* to reflect the real stat of the file, then return on failure
*/
if ($this->data === false) {
$this->stat = stat($path);
return false;
}
/**
* Convert <?= ?> to long-form <?php echo ?> and <?php ?> to <?php ?>
*
*/
$this->data = preg_replace('/\<\?\=/', "<?php echo ", $this->data);
$this->data = preg_replace('/<\?(?!xml|php)/s', '<?php ', $this->data);
/**
* file_get_contents() won't update PHP's stat cache, so we grab a stat
* of the file to prevent additional reads should the script be
* requested again, which will make include() happy.
*/
$this->stat = stat($path);
return true;
}
/**
* Included so that __FILE__ returns the appropriate info
*
* @return array
*/
// @codingStandardsIgnoreStart
public function url_stat()
{
// @codingStandardsIgnoreEnd
return $this->stat;
}
/**
* Reads from the stream.
*
* @param int $count
* @return string
*/
// @codingStandardsIgnoreStart
public function stream_read($count)
{
// @codingStandardsIgnoreEnd
$ret = substr($this->data, $this->pos, $count);
$this->pos += strlen($ret);
return $ret;
}
/**
* Tells the current position in the stream.
*
* @return int
*/
// @codingStandardsIgnoreStart
public function stream_tell()
{
// @codingStandardsIgnoreEnd
return $this->pos;
}
/**
* Tells if we are at the end of the stream.
*
* @return bool
*/
// @codingStandardsIgnoreStart
public function stream_eof()
{
// @codingStandardsIgnoreEnd
return $this->pos >= strlen($this->data);
}
/**
* Stream statistics.
*
* @return array
*/
// @codingStandardsIgnoreStart
public function stream_stat()
{
// @codingStandardsIgnoreEnd
return $this->stat;
}
/**
* Seek to a specific point in the stream.
*
* @param $offset
* @param $whence
* @return bool
*/
// @codingStandardsIgnoreStart
public function stream_seek($offset, $whence)
{
// @codingStandardsIgnoreEnd
switch ($whence) {
case SEEK_SET:
if ($offset < strlen($this->data) && $offset >= 0) {
$this->pos = $offset;
return true;
} else {
return false;
}
break;
case SEEK_CUR:
if ($offset >= 0) {
$this->pos += $offset;
return true;
} else {
return false;
}
break;
case SEEK_END:
if (strlen($this->data) + $offset >= 0) {
$this->pos = strlen($this->data) + $offset;
return true;
} else {
return false;
}
break;
default:
return false;
}
}
}