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author | Nicolas LÅ“uillet <nicolas.loeuillet@gmail.com> | 2013-08-03 19:26:54 +0200 |
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committer | Nicolas LÅ“uillet <nicolas.loeuillet@gmail.com> | 2013-08-03 19:26:54 +0200 |
commit | 4f5b44bd3bd490309eb2ba7b44df4769816ba729 (patch) | |
tree | 6cefe170dfe0a5a361cb1e2d1fc4d580a3316d02 /vendor/symfony/form/Symfony/Component/Form/Extension/Core/DataTransformer/DataTransformerChain.php | |
parent | 2b840e0cfb63a453bea67a98541f3df9c273c5f5 (diff) | |
download | wallabag-4f5b44bd3bd490309eb2ba7b44df4769816ba729.tar.gz wallabag-4f5b44bd3bd490309eb2ba7b44df4769816ba729.tar.zst wallabag-4f5b44bd3bd490309eb2ba7b44df4769816ba729.zip |
twig implementation
Diffstat (limited to 'vendor/symfony/form/Symfony/Component/Form/Extension/Core/DataTransformer/DataTransformerChain.php')
-rw-r--r-- | vendor/symfony/form/Symfony/Component/Form/Extension/Core/DataTransformer/DataTransformerChain.php | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/vendor/symfony/form/Symfony/Component/Form/Extension/Core/DataTransformer/DataTransformerChain.php b/vendor/symfony/form/Symfony/Component/Form/Extension/Core/DataTransformer/DataTransformerChain.php new file mode 100644 index 00000000..9cc185e1 --- /dev/null +++ b/vendor/symfony/form/Symfony/Component/Form/Extension/Core/DataTransformer/DataTransformerChain.php | |||
@@ -0,0 +1,86 @@ | |||
1 | <?php | ||
2 | |||
3 | /* | ||
4 | * This file is part of the Symfony package. | ||
5 | * | ||
6 | * (c) Fabien Potencier <fabien@symfony.com> | ||
7 | * | ||
8 | * For the full copyright and license information, please view the LICENSE | ||
9 | * file that was distributed with this source code. | ||
10 | */ | ||
11 | |||
12 | namespace Symfony\Component\Form\Extension\Core\DataTransformer; | ||
13 | |||
14 | use Symfony\Component\Form\DataTransformerInterface; | ||
15 | use Symfony\Component\Form\Exception\TransformationFailedException; | ||
16 | |||
17 | /** | ||
18 | * Passes a value through multiple value transformers | ||
19 | * | ||
20 | * @author Bernhard Schussek <bschussek@gmail.com> | ||
21 | */ | ||
22 | class DataTransformerChain implements DataTransformerInterface | ||
23 | { | ||
24 | /** | ||
25 | * The value transformers | ||
26 | * @var DataTransformerInterface[] | ||
27 | */ | ||
28 | protected $transformers; | ||
29 | |||
30 | /** | ||
31 | * Uses the given value transformers to transform values | ||
32 | * | ||
33 | * @param array $transformers | ||
34 | */ | ||
35 | public function __construct(array $transformers) | ||
36 | { | ||
37 | $this->transformers = $transformers; | ||
38 | } | ||
39 | |||
40 | /** | ||
41 | * Passes the value through the transform() method of all nested transformers | ||
42 | * | ||
43 | * The transformers receive the value in the same order as they were passed | ||
44 | * to the constructor. Each transformer receives the result of the previous | ||
45 | * transformer as input. The output of the last transformer is returned | ||
46 | * by this method. | ||
47 | * | ||
48 | * @param mixed $value The original value | ||
49 | * | ||
50 | * @return mixed The transformed value | ||
51 | * | ||
52 | * @throws TransformationFailedException | ||
53 | */ | ||
54 | public function transform($value) | ||
55 | { | ||
56 | foreach ($this->transformers as $transformer) { | ||
57 | $value = $transformer->transform($value); | ||
58 | } | ||
59 | |||
60 | return $value; | ||
61 | } | ||
62 | |||
63 | /** | ||
64 | * Passes the value through the reverseTransform() method of all nested | ||
65 | * transformers | ||
66 | * | ||
67 | * The transformers receive the value in the reverse order as they were passed | ||
68 | * to the constructor. Each transformer receives the result of the previous | ||
69 | * transformer as input. The output of the last transformer is returned | ||
70 | * by this method. | ||
71 | * | ||
72 | * @param mixed $value The transformed value | ||
73 | * | ||
74 | * @return mixed The reverse-transformed value | ||
75 | * | ||
76 | * @throws TransformationFailedException | ||
77 | */ | ||
78 | public function reverseTransform($value) | ||
79 | { | ||
80 | for ($i = count($this->transformers) - 1; $i >= 0; --$i) { | ||
81 | $value = $this->transformers[$i]->reverseTransform($value); | ||
82 | } | ||
83 | |||
84 | return $value; | ||
85 | } | ||
86 | } | ||