|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Saltwater\Water; |
|
4
|
|
|
|
|
5
|
|
|
use Saltwater\Salt\Module; |
|
6
|
|
|
|
|
7
|
|
|
class ModuleStack extends MagicArrayObject |
|
8
|
|
|
{ |
|
9
|
|
|
/** |
|
10
|
|
|
* @var TempStack |
|
11
|
|
|
*/ |
|
12
|
|
|
private $stack; |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* @var ModuleFinder |
|
16
|
|
|
*/ |
|
17
|
|
|
public $finder; |
|
18
|
|
|
|
|
19
|
|
|
public function __construct() |
|
20
|
|
|
{ |
|
21
|
|
|
$this->stack = new TempStack; |
|
22
|
|
|
|
|
23
|
|
|
$this->finder = new ModuleFinder; |
|
24
|
|
|
} |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* Add module to stack and register its Salts |
|
28
|
|
|
* |
|
29
|
|
|
* @param Module|string $class full class name |
|
30
|
|
|
* @param bool $master true if this is also the master module |
|
31
|
|
|
* |
|
32
|
|
|
* @return bool|null |
|
33
|
|
|
*/ |
|
34
|
|
|
public function append($class, $master = false) |
|
35
|
|
|
{ |
|
36
|
|
|
if (!$this->canAppend($class)) { |
|
37
|
|
|
return false; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
if (!($module = $this->registerModule($class))) { |
|
41
|
|
|
return false; |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
// Push to stack after registering - to preserve order of dependencies |
|
45
|
|
|
$this[$class::getName()] = $module; |
|
46
|
|
|
|
|
47
|
|
|
if ($master) { |
|
48
|
|
|
$this->stack->setMaster($class::getName()); |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
return true; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* Check whether a module can be appended to the stack |
|
56
|
|
|
* |
|
57
|
|
|
* @param Module|string $class full class name |
|
58
|
|
|
* |
|
59
|
|
|
* @return bool |
|
60
|
|
|
*/ |
|
61
|
|
|
private function canAppend($class) |
|
62
|
|
|
{ |
|
63
|
|
|
return class_exists($class) && !isset($this[$class::getName()]); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* Return a module class by its name |
|
68
|
|
|
* |
|
69
|
|
|
* @param string $name |
|
70
|
|
|
* |
|
71
|
|
|
* @return Module|string |
|
72
|
|
|
*/ |
|
73
|
|
|
public function get($name) |
|
74
|
|
|
{ |
|
75
|
|
|
return $this[$name]; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Register a module (before adding it to the stack) |
|
80
|
|
|
* |
|
81
|
|
|
* @param string|Module $class |
|
82
|
|
|
* |
|
83
|
|
|
* @return Module |
|
84
|
|
|
*/ |
|
85
|
|
|
private function registerModule($class) |
|
86
|
|
|
{ |
|
87
|
|
|
/** @var Module $module */ |
|
88
|
|
|
$module = new $class; |
|
89
|
|
|
|
|
90
|
|
|
$module->register($class::getName()); |
|
91
|
|
|
|
|
92
|
|
|
return $module; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* @return Module[] |
|
97
|
|
|
*/ |
|
98
|
|
|
public function precedenceList() |
|
99
|
|
|
{ |
|
100
|
|
|
$return = array(); |
|
101
|
|
|
foreach ($this->stack->modulePrecedence() as $name) { |
|
102
|
|
|
$return[] = $this[$name]; |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
return $return; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
public function getStack() |
|
109
|
|
|
{ |
|
110
|
|
|
return $this->stack; |
|
111
|
|
|
} |
|
112
|
|
|
} |
|
113
|
|
|
|
daviddeutsch /
saltwater
