1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* |
4
|
|
|
* This file is part of the php-phantomjs. |
5
|
|
|
* |
6
|
|
|
* For the full copyright and license information, please view the LICENSE |
7
|
|
|
* file that was distributed with this source code. |
8
|
|
|
*/ |
9
|
|
|
namespace JonnyW\PhantomJs\Procedure; |
10
|
|
|
|
11
|
|
|
use JonnyW\PhantomJs\Engine; |
12
|
|
|
use JonnyW\PhantomJs\Cache\CacheInterface; |
13
|
|
|
use JonnyW\PhantomJs\Parser\ParserInterface; |
14
|
|
|
use JonnyW\PhantomJs\Template\TemplateRendererInterface; |
15
|
|
|
use JonnyW\PhantomJs\Exception\NotWritableException; |
16
|
|
|
use JonnyW\PhantomJs\Exception\ProcedureFailedException; |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* PHP PhantomJs |
20
|
|
|
* |
21
|
|
|
* @author Jon Wenmoth <[email protected]> |
22
|
|
|
*/ |
23
|
|
|
class Procedure implements ProcedureInterface |
24
|
|
|
{ |
25
|
|
|
/** |
26
|
|
|
* PhantomJS engine |
27
|
|
|
* |
28
|
|
|
* @var \JonnyW\PhantomJs\Engine |
29
|
|
|
* @access protected |
30
|
|
|
*/ |
31
|
|
|
protected $engine; |
32
|
|
|
|
33
|
|
|
/** |
34
|
|
|
* Parser instance. |
35
|
|
|
* |
36
|
|
|
* @var \JonnyW\PhantomJs\Parser\ParserInterface |
37
|
|
|
* @access protected |
38
|
|
|
*/ |
39
|
|
|
protected $parser; |
40
|
|
|
|
41
|
|
|
/** |
42
|
|
|
* Cache handler instance. |
43
|
|
|
* |
44
|
|
|
* @var \JonnyW\PhantomJs\Cache\CacheInterface |
45
|
|
|
* @access protected |
46
|
|
|
*/ |
47
|
|
|
protected $cacheHandler; |
48
|
|
|
|
49
|
|
|
/** |
50
|
|
|
* Template renderer. |
51
|
|
|
* |
52
|
|
|
* @var \JonnyW\PhantomJs\Template\TemplateRendererInterface |
53
|
|
|
* @access protected |
54
|
|
|
*/ |
55
|
|
|
protected $renderer; |
56
|
|
|
|
57
|
|
|
/** |
58
|
|
|
* Procedure template. |
59
|
|
|
* |
60
|
|
|
* @var string |
61
|
|
|
* @access protected |
62
|
|
|
*/ |
63
|
|
|
protected $template; |
64
|
|
|
|
65
|
|
|
/** |
66
|
|
|
* Internal constructor. |
67
|
|
|
* |
68
|
|
|
* @access public |
69
|
|
|
* @param \JonnyW\PhantomJs\Engine $engine |
70
|
|
|
* @param \JonnyW\PhantomJs\Parser\ParserInterface $parser |
71
|
|
|
* @param \JonnyW\PhantomJs\Cache\CacheInterface $cacheHandler |
72
|
|
|
* @param \JonnyW\PhantomJs\Template\TemplateRendererInterface $renderer |
73
|
|
|
*/ |
74
|
44 |
|
public function __construct(Engine $engine, ParserInterface $parser, CacheInterface $cacheHandler, TemplateRendererInterface $renderer) |
75
|
|
|
{ |
76
|
44 |
|
$this->engine = $engine; |
77
|
44 |
|
$this->parser = $parser; |
78
|
44 |
|
$this->cacheHandler = $cacheHandler; |
79
|
44 |
|
$this->renderer = $renderer; |
80
|
44 |
|
} |
81
|
|
|
|
82
|
|
|
/** |
83
|
|
|
* Run procedure. |
84
|
|
|
* |
85
|
|
|
* @access public |
86
|
|
|
* @param \JonnyW\PhantomJs\Procedure\InputInterface $input |
87
|
|
|
* @param \JonnyW\PhantomJs\Procedure\OutputInterface $output |
88
|
|
|
* @throws \JonnyW\PhantomJs\Exception\ProcedureFailedException |
89
|
|
|
* @throws \JonnyW\PhantomJs\Exception\NotWritableException |
90
|
|
|
* @return void |
91
|
|
|
*/ |
92
|
37 |
|
public function run(InputInterface $input, OutputInterface $output) |
93
|
|
|
{ |
94
|
|
|
try { |
95
|
|
|
|
96
|
37 |
|
$executable = $this->write( |
97
|
37 |
|
$this->compile($input) |
98
|
|
|
); |
99
|
|
|
|
100
|
|
|
$descriptorspec = array( |
101
|
36 |
|
array('pipe', 'r'), |
102
|
|
|
array('pipe', 'w'), |
103
|
|
|
array('pipe', 'w') |
104
|
|
|
); |
105
|
|
|
|
106
|
36 |
|
$process = proc_open(escapeshellcmd(sprintf('%s %s', $this->engine->getCommand(), $executable)), $descriptorspec, $pipes, null, null); |
107
|
|
|
|
108
|
35 |
|
if (!is_resource($process)) { |
109
|
|
|
throw new ProcedureFailedException('proc_open() did not return a resource'); |
110
|
|
|
} |
111
|
|
|
|
112
|
35 |
|
$result = stream_get_contents($pipes[1]); |
113
|
35 |
|
$log = stream_get_contents($pipes[2]); |
114
|
|
|
|
115
|
35 |
|
fclose($pipes[0]); |
116
|
35 |
|
fclose($pipes[1]); |
117
|
35 |
|
fclose($pipes[2]); |
118
|
|
|
|
119
|
35 |
|
proc_close($process); |
120
|
|
|
|
121
|
35 |
|
$output->import( |
122
|
35 |
|
$this->parser->parse($result) |
123
|
|
|
); |
124
|
|
|
|
125
|
35 |
|
$this->engine->log($log); |
126
|
|
|
|
127
|
35 |
|
$this->remove($executable); |
128
|
|
|
|
129
|
2 |
|
} catch (NotWritableException $e) { |
130
|
1 |
|
throw $e; |
131
|
1 |
|
} catch (\Exception $e) { |
132
|
|
|
|
133
|
1 |
|
if (isset($executable)) { |
134
|
1 |
|
$this->remove($executable); |
135
|
|
|
} |
136
|
|
|
|
137
|
1 |
|
throw new ProcedureFailedException(sprintf('Error when executing PhantomJs procedure - %s', $e->getMessage())); |
138
|
|
|
} |
139
|
35 |
|
} |
140
|
|
|
|
141
|
|
|
/** |
142
|
|
|
* Set procedure template. |
143
|
|
|
* |
144
|
|
|
* @access public |
145
|
|
|
* @param string $template |
146
|
|
|
* @return \JonnyW\PhantomJs\Procedure\Procedure |
147
|
|
|
*/ |
148
|
39 |
|
public function setTemplate($template) |
149
|
|
|
{ |
150
|
39 |
|
$this->template = $template; |
151
|
|
|
|
152
|
39 |
|
return $this; |
153
|
|
|
} |
154
|
|
|
|
155
|
|
|
/** |
156
|
|
|
* Get procedure template. |
157
|
|
|
* |
158
|
|
|
* @access public |
159
|
|
|
* @return string |
160
|
|
|
*/ |
161
|
40 |
|
public function getTemplate() |
162
|
|
|
{ |
163
|
40 |
|
return $this->template; |
164
|
|
|
} |
165
|
|
|
|
166
|
|
|
/** |
167
|
|
|
* Compile procedure. |
168
|
|
|
* |
169
|
|
|
* @access public |
170
|
|
|
* @param \JonnyW\PhantomJs\Procedure\InputInterface $input |
171
|
|
|
* @return void |
172
|
|
|
*/ |
173
|
38 |
|
public function compile(InputInterface $input) |
174
|
|
|
{ |
175
|
38 |
|
return $this->renderer->render($this->getTemplate(), array('input' => $input)); |
176
|
|
|
} |
177
|
|
|
|
178
|
|
|
/** |
179
|
|
|
* Write compiled procedure to cache. |
180
|
|
|
* |
181
|
|
|
* @access protected |
182
|
|
|
* @param string $compiled |
183
|
|
|
* @return string |
184
|
|
|
*/ |
185
|
37 |
|
protected function write($compiled) |
186
|
|
|
{ |
187
|
37 |
|
return $this->cacheHandler->save(uniqid(), $compiled); |
188
|
|
|
} |
189
|
|
|
|
190
|
|
|
/** |
191
|
|
|
* Remove procedure script cache. |
192
|
|
|
* |
193
|
|
|
* @access protected |
194
|
|
|
* @param string $filePath |
195
|
|
|
* @return void |
196
|
|
|
*/ |
197
|
36 |
|
protected function remove($filePath) |
198
|
|
|
{ |
199
|
36 |
|
$this->cacheHandler->delete($filePath); |
200
|
36 |
|
} |
201
|
|
|
} |
202
|
|
|
|