1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
<?php
/**
* @package ActiveRecord
*/
namespace ActiveRecord;
use ReflectionClass;
/**
* Simple class that caches reflections of classes.
*
* @package ActiveRecord
*/
class Reflections extends Singleton
{
/**
* Current reflections.
*
* @var array
*/
private $reflections = array();
/**
* Instantiates a new ReflectionClass for the given class.
*
* @param string $class Name of a class
* @return Reflections $this so you can chain calls like Reflections::instance()->add('class')->get()
*/
public function add($class=null)
{
$class = $this->get_class($class);
if (!isset($this->reflections[$class]))
$this->reflections[$class] = new ReflectionClass($class);
return $this;
}
/**
* Destroys the cached ReflectionClass.
*
* Put this here mainly for testing purposes.
*
* @param string $class Name of a class.
* @return void
*/
public function destroy($class)
{
if (isset($this->reflections[$class]))
$this->reflections[$class] = null;
}
/**
* Get a cached ReflectionClass.
*
* @param string $class Optional name of a class
* @return mixed null or a ReflectionClass instance
* @throws ActiveRecordException if class was not found
*/
public function get($class=null)
{
$class = $this->get_class($class);
if (isset($this->reflections[$class]))
return $this->reflections[$class];
throw new ActiveRecordException("Class not found: $class");
}
/**
* Retrieve a class name to be reflected.
*
* @param mixed $mixed An object or name of a class
* @return string
*/
private function get_class($mixed=null)
{
if (is_object($mixed))
return get_class($mixed);
if (!is_null($mixed))
return $mixed;
return $this->get_called_class();
}
}
?>
|