1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* Created by Gorlum 19.08.2016 20:35 |
4
|
|
|
*/ |
5
|
|
|
|
6
|
|
|
namespace Common; |
7
|
|
|
|
8
|
|
|
/** |
9
|
|
|
* Accessors storage |
10
|
|
|
* |
11
|
|
|
* TODO - make magic method access to accessors ???????? |
12
|
|
|
* |
13
|
|
|
* @package Common |
14
|
|
|
*/ |
15
|
|
|
class Accessors { |
16
|
|
|
|
17
|
|
|
/** |
18
|
|
|
* Array of accessors - getters/setters/etc |
19
|
|
|
* |
20
|
|
|
* @var callable[][] |
21
|
|
|
*/ |
22
|
|
|
protected $accessors = array(); |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* Assign accessor to a named variable |
26
|
|
|
* |
27
|
|
|
* Different accessors have different signatures - you should look carefully before assigning accessor |
28
|
|
|
* |
29
|
|
|
* @param string $varName |
30
|
|
|
* @param string $accessor - type of accessor getter/setter/importer/exporter/etc |
31
|
|
|
* @param callable $callable |
32
|
|
|
* |
33
|
|
|
* @throws \Exception |
34
|
|
|
*/ |
35
|
|
|
public function setAccessor($varName, $accessor, $callable) { |
36
|
|
|
if (empty($callable)) { |
37
|
|
|
return; |
38
|
|
|
} |
39
|
|
|
|
40
|
|
|
if (is_callable($callable)) { |
41
|
|
|
$this->accessors[$varName][$accessor] = $callable; |
42
|
|
|
} else { |
43
|
|
|
throw new \Exception('Error assigning callable in ' . get_called_class() . '! Callable typed [' . $accessor . '] is not a callable or not accessible in the scope'); |
44
|
|
|
} |
45
|
|
|
} |
46
|
|
|
|
47
|
|
|
/** |
48
|
|
|
* Gets accessor for later use |
49
|
|
|
* |
50
|
|
|
* @param string $varName |
51
|
|
|
* @param string $accessor |
52
|
|
|
* |
53
|
|
|
* @return callable|null |
54
|
|
|
*/ |
55
|
|
|
public function getAccessor($varName, $accessor) { |
56
|
|
|
return isset($this->accessors[$varName][$accessor]) ? $this->accessors[$varName][$accessor] : null; |
57
|
|
|
} |
58
|
|
|
|
59
|
|
|
/** |
60
|
|
|
* @param string $varName |
61
|
|
|
* @param string $accessor |
62
|
|
|
* |
63
|
|
|
* @return bool |
64
|
|
|
*/ |
65
|
|
|
public function haveAccessor($varName, $accessor) { |
66
|
|
|
return isset($this->accessors[$varName][$accessor]); |
67
|
|
|
} |
68
|
|
|
|
69
|
|
|
/** |
70
|
|
|
* @param string $varName |
71
|
|
|
* @param string $accessor |
72
|
|
|
* @param array $params |
73
|
|
|
* |
74
|
|
|
* @return mixed |
75
|
|
|
* @throws \Exception |
76
|
|
|
*/ |
77
|
|
|
public function invokeAccessor($varName, $accessor, $params) { |
78
|
|
|
if (!$this->haveAccessor($varName, $accessor)) { |
79
|
|
|
throw new \Exception("No [{$accessor}] accessor found for variable [{$varName}] on " . get_called_class() . "::" . __METHOD__); |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
return call_user_func_array($this->getAccessor($varName, $accessor), $params); |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
} |
86
|
|
|
|