diff options
Diffstat (limited to 'vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Util/RingBuffer.php')
-rw-r--r-- | vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Util/RingBuffer.php | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Util/RingBuffer.php b/vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Util/RingBuffer.php deleted file mode 100644 index 7ccbd1e7..00000000 --- a/vendor/symfony/intl/Symfony/Component/Intl/ResourceBundle/Util/RingBuffer.php +++ /dev/null | |||
@@ -1,88 +0,0 @@ | |||
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\Intl\ResourceBundle\Util; | ||
13 | |||
14 | use Symfony\Component\Intl\Exception\OutOfBoundsException; | ||
15 | |||
16 | /** | ||
17 | * Implements a ring buffer. | ||
18 | * | ||
19 | * A ring buffer is an array-like structure with a fixed size. If the buffer | ||
20 | * is full, the next written element overwrites the first bucket in the buffer, | ||
21 | * then the second and so on. | ||
22 | * | ||
23 | * @author Bernhard Schussek <bschussek@gmail.com> | ||
24 | */ | ||
25 | class RingBuffer implements \ArrayAccess | ||
26 | { | ||
27 | private $values = array(); | ||
28 | |||
29 | private $indices = array(); | ||
30 | |||
31 | private $cursor = 0; | ||
32 | |||
33 | private $size; | ||
34 | |||
35 | public function __construct($size) | ||
36 | { | ||
37 | $this->size = $size; | ||
38 | } | ||
39 | |||
40 | /** | ||
41 | * {@inheritdoc} | ||
42 | */ | ||
43 | public function offsetExists($key) | ||
44 | { | ||
45 | return isset($this->indices[$key]); | ||
46 | } | ||
47 | |||
48 | /** | ||
49 | * {@inheritdoc} | ||
50 | */ | ||
51 | public function offsetGet($key) | ||
52 | { | ||
53 | if (!isset($this->indices[$key])) { | ||
54 | throw new OutOfBoundsException(sprintf( | ||
55 | 'The index "%s" does not exist.', | ||
56 | $key | ||
57 | )); | ||
58 | } | ||
59 | |||
60 | return $this->values[$this->indices[$key]]; | ||
61 | } | ||
62 | |||
63 | /** | ||
64 | * {@inheritdoc} | ||
65 | */ | ||
66 | public function offsetSet($key, $value) | ||
67 | { | ||
68 | if (false !== ($keyToRemove = array_search($this->cursor, $this->indices))) { | ||
69 | unset($this->indices[$keyToRemove]); | ||
70 | } | ||
71 | |||
72 | $this->values[$this->cursor] = $value; | ||
73 | $this->indices[$key] = $this->cursor; | ||
74 | |||
75 | $this->cursor = ($this->cursor + 1) % $this->size; | ||
76 | } | ||
77 | |||
78 | /** | ||
79 | * {@inheritdoc} | ||
80 | */ | ||
81 | public function offsetUnset($key) | ||
82 | { | ||
83 | if (isset($this->indices[$key])) { | ||
84 | $this->values[$this->indices[$key]] = null; | ||
85 | unset($this->indices[$key]); | ||
86 | } | ||
87 | } | ||
88 | } | ||