blob: 1dfe890027f05f94bb67faca9567a5e07163caf3 (
plain) (
blame)
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
|
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form;
class CallbackTransformer implements DataTransformerInterface
{
/**
* The callback used for forward transform
* @var \Closure
*/
private $transform;
/**
* The callback used for reverse transform
* @var \Closure
*/
private $reverseTransform;
/**
* Constructor.
*
* @param \Closure $transform The forward transform callback
* @param \Closure $reverseTransform The reverse transform callback
*/
public function __construct(\Closure $transform, \Closure $reverseTransform)
{
$this->transform = $transform;
$this->reverseTransform = $reverseTransform;
}
/**
* Transforms a value from the original representation to a transformed representation.
*
* @param mixed $data The value in the original representation
*
* @return mixed The value in the transformed representation
*
* @throws UnexpectedTypeException when the argument is not a string
* @throws TransformationFailedException when the transformation fails
*/
public function transform($data)
{
return call_user_func($this->transform, $data);
}
/**
* Transforms a value from the transformed representation to its original
* representation.
*
* @param mixed $data The value in the transformed representation
*
* @return mixed The value in the original representation
*
* @throws UnexpectedTypeException when the argument is not of the expected type
* @throws TransformationFailedException when the transformation fails
*/
public function reverseTransform($data)
{
return call_user_func($this->reverseTransform, $data);
}
}
|
