|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* DeferredCallChain |
|
4
|
|
|
* |
|
5
|
|
|
* @package php-deferred-callchain |
|
6
|
|
|
* @author Jean Claveau |
|
7
|
|
|
*/ |
|
8
|
|
|
namespace JClaveau\Async; |
|
9
|
|
|
|
|
10
|
|
|
/** |
|
11
|
|
|
*/ |
|
12
|
|
|
class DeferredCallChain implements \JsonSerializable, \ArrayAccess |
|
13
|
|
|
{ |
|
14
|
|
|
/** @var */ |
|
15
|
|
|
protected $stack = []; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
*/ |
|
19
|
|
|
public static function new_() |
|
20
|
|
|
{ |
|
21
|
|
|
return new static; |
|
22
|
|
|
} |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* ArrayAccess interface |
|
26
|
|
|
*/ |
|
27
|
|
|
public function &offsetGet($key) |
|
28
|
|
|
{ |
|
29
|
|
|
$this->stack[] = [ |
|
30
|
|
|
'entry' => $key, |
|
31
|
|
|
]; |
|
32
|
|
|
|
|
33
|
|
|
return $this; |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* @param string $method |
|
38
|
|
|
* @param array $arguments |
|
39
|
|
|
* |
|
40
|
|
|
* @return $this |
|
41
|
|
|
*/ |
|
42
|
|
|
public final function __call($method, array $arguments) |
|
43
|
|
|
{ |
|
44
|
|
|
$this->stack[] = [ |
|
45
|
|
|
'method' => $method, |
|
46
|
|
|
'arguments' => $arguments, |
|
47
|
|
|
]; |
|
48
|
|
|
|
|
49
|
|
|
return $this; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* For implementing JsonSerializable interface. |
|
54
|
|
|
* |
|
55
|
|
|
* @see https://secure.php.net/manual/en/jsonserializable.jsonserialize.php |
|
56
|
|
|
*/ |
|
57
|
|
|
public function jsonSerialize() |
|
58
|
|
|
{ |
|
59
|
|
|
return $this->stack; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
*/ |
|
64
|
|
|
public function __toString() |
|
65
|
|
|
{ |
|
66
|
|
|
$string = '(new ' . get_called_class() . ')'; |
|
67
|
|
|
|
|
68
|
|
|
foreach ($this->stack as $i => $call) { |
|
69
|
|
|
if (isset($call['method'])) { |
|
70
|
|
|
$string .= '->'; |
|
71
|
|
|
$string .= $call['method'].'('; |
|
72
|
|
|
$string .= implode(', ', array_map(function($argument) { |
|
73
|
|
|
return var_export($argument, true); |
|
74
|
|
|
}, $call['arguments'])); |
|
75
|
|
|
$string .= ')'; |
|
76
|
|
|
} |
|
77
|
|
|
else { |
|
78
|
|
|
$string .= '[' . var_export($call['entry'], true) . ']'; |
|
79
|
|
|
} |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
return $string; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* Invoking the instance produces the call of the stack |
|
87
|
|
|
*/ |
|
88
|
|
|
public function __invoke($target) |
|
89
|
|
|
{ |
|
90
|
|
|
$out = $target; |
|
91
|
|
|
foreach ($this->stack as $i => $call) { |
|
92
|
|
|
try { |
|
93
|
|
|
if (isset($call['method'])) { |
|
94
|
|
|
$out = call_user_func_array([$out, $call['method']], $call['arguments']); |
|
95
|
|
|
} |
|
96
|
|
|
else { |
|
97
|
|
|
$out = $out[ $call['entry'] ]; |
|
98
|
|
|
} |
|
99
|
|
|
} |
|
100
|
|
|
catch (\Exception $e) { |
|
101
|
|
|
// Throw $e with the good stack (usage exception) |
|
102
|
|
|
throw $e; |
|
103
|
|
|
} |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
|
return $out; |
|
107
|
|
|
} |
|
108
|
|
|
|
|
109
|
|
|
/** |
|
110
|
|
|
* ArrayAccess interface |
|
111
|
|
|
*/ |
|
112
|
|
|
public function offsetSet($offset, $value) |
|
113
|
|
|
{ |
|
114
|
|
|
throw new BadMethodCallException( |
|
|
|
|
|
|
115
|
|
|
"not implemented" |
|
116
|
|
|
); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* ArrayAccess interface |
|
121
|
|
|
*/ |
|
122
|
|
|
public function offsetExists($offset) |
|
123
|
|
|
{ |
|
124
|
|
|
throw new BadMethodCallException( |
|
125
|
|
|
"not implemented" |
|
126
|
|
|
); |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
/** |
|
130
|
|
|
* ArrayAccess interface |
|
131
|
|
|
*/ |
|
132
|
|
|
public function offsetUnset($offset) |
|
133
|
|
|
{ |
|
134
|
|
|
throw new BadMethodCallException( |
|
135
|
|
|
"not implemented" |
|
136
|
|
|
); |
|
137
|
|
|
} |
|
138
|
|
|
|
|
139
|
|
|
/**/ |
|
140
|
|
|
} |
|
141
|
|
|
|
jclaveau /
php-deferred-callchain
Loading history...