|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of PHPinnacle/Ensign. |
|
4
|
|
|
* |
|
5
|
|
|
* (c) PHPinnacle Team <[email protected]> |
|
6
|
|
|
* |
|
7
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
8
|
|
|
* file that was distributed with this source code. |
|
9
|
|
|
*/ |
|
10
|
|
|
|
|
11
|
|
|
namespace PHPinnacle\Ensign; |
|
12
|
|
|
|
|
13
|
|
|
use Amp\Coroutine; |
|
14
|
|
|
use Amp\LazyPromise; |
|
15
|
|
|
use PHPinnacle\Identity\UUID; |
|
16
|
|
|
|
|
17
|
|
|
final class Processor |
|
18
|
|
|
{ |
|
19
|
|
|
/** |
|
20
|
|
|
* @var Executor |
|
21
|
|
|
*/ |
|
22
|
|
|
private $executor; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* @var callable[] |
|
26
|
|
|
*/ |
|
27
|
|
|
private $interruptions = []; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* @param Executor $executor |
|
31
|
|
|
*/ |
|
32
|
8 |
|
public function __construct(Executor $executor = null) |
|
33
|
|
|
{ |
|
34
|
8 |
|
$this->executor = $executor ?: new Executor\SimpleExecutor(); |
|
35
|
8 |
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* @param string $interrupt |
|
39
|
|
|
* @param callable $handler |
|
40
|
|
|
* |
|
41
|
|
|
* @return void |
|
42
|
|
|
*/ |
|
43
|
5 |
|
public function interrupt(string $interrupt, callable $handler): void |
|
44
|
|
|
{ |
|
45
|
5 |
|
$this->interruptions[$interrupt] = $handler; |
|
46
|
5 |
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* @param callable $handler |
|
50
|
|
|
* @param array $arguments |
|
51
|
|
|
* |
|
52
|
|
|
* @return Action |
|
53
|
|
|
*/ |
|
54
|
8 |
|
public function execute(callable $handler, array $arguments): Action |
|
55
|
|
|
{ |
|
56
|
8 |
|
$id = UUID::random(); |
|
57
|
|
|
|
|
58
|
8 |
|
$token = new Token($id); |
|
59
|
8 |
|
$promise = new LazyPromise(function () use ($handler, $arguments, $token) { |
|
60
|
8 |
|
return $this->adapt($this->executor->execute($handler, $arguments), $token); |
|
61
|
8 |
|
}); |
|
62
|
|
|
|
|
63
|
8 |
|
return new Action($id, $promise, $token); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* @param mixed $value |
|
68
|
|
|
* @param Token $token |
|
69
|
|
|
* |
|
70
|
|
|
* @return mixed |
|
71
|
|
|
*/ |
|
72
|
7 |
|
private function adapt($value, Token $token) |
|
73
|
|
|
{ |
|
74
|
7 |
|
return $value instanceof \Generator ? new Coroutine($this->recoil($value, $token)) : $value; |
|
|
|
|
|
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* @param \Generator $generator |
|
79
|
|
|
* @param Token $token |
|
80
|
|
|
* |
|
81
|
|
|
* @return mixed |
|
82
|
|
|
*/ |
|
83
|
3 |
|
private function recoil(\Generator $generator, Token $token) |
|
84
|
|
|
{ |
|
85
|
3 |
|
$step = 1; |
|
86
|
|
|
|
|
87
|
3 |
|
while ($generator->valid()) { |
|
88
|
3 |
|
$token->guard(); |
|
89
|
|
|
|
|
90
|
|
|
try { |
|
91
|
3 |
|
$value = $this->intercept($generator->key(), $generator->current()); |
|
92
|
|
|
|
|
93
|
3 |
|
$generator->send(yield $this->adapt($value, $token)); |
|
94
|
2 |
|
} catch (\Exception $error) { |
|
95
|
1 |
|
$this->throw($generator, $error, $step); |
|
96
|
2 |
|
} finally { |
|
97
|
3 |
|
$step++; |
|
98
|
|
|
} |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
2 |
|
return $this->adapt($generator->getReturn(), $token); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* @param \Generator $generator |
|
106
|
|
|
* @param \Exception $error |
|
107
|
|
|
* @param int $step |
|
108
|
|
|
*/ |
|
109
|
1 |
|
private function throw(\Generator $generator, \Exception $error, int $step) |
|
110
|
|
|
{ |
|
111
|
|
|
try { |
|
112
|
1 |
|
$generator->throw($error); |
|
|
|
|
|
|
113
|
|
|
} catch (\Throwable $error) { |
|
114
|
|
|
throw new Exception\BadActionCall($step, $error); |
|
115
|
|
|
} |
|
116
|
1 |
|
} |
|
117
|
|
|
|
|
118
|
|
|
/** |
|
119
|
|
|
* @param int|string $key |
|
120
|
|
|
* @param mixed $value |
|
121
|
|
|
* |
|
122
|
|
|
* @return mixed |
|
123
|
|
|
*/ |
|
124
|
3 |
|
private function intercept($key, $value) |
|
125
|
|
|
{ |
|
126
|
3 |
|
$interrupt = \is_string($key) ? $key : $value; |
|
127
|
|
|
|
|
128
|
3 |
|
if (\is_object($interrupt)) { |
|
129
|
2 |
|
$interrupt = \get_class($interrupt); |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
3 |
|
if (!\is_string($interrupt) || !isset($this->interruptions[$interrupt])) { |
|
133
|
2 |
|
return $value; |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
1 |
|
$value = \is_array($value) ? $value : [$value]; |
|
137
|
|
|
|
|
138
|
1 |
|
return $this->executor->execute($this->interruptions[$interrupt], $value); |
|
139
|
|
|
} |
|
140
|
|
|
} |
|
141
|
|
|
|
phpinnacle /
ensign
Loading history...