[7575] | 1 | <?php |
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| 2 | |
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| 3 | /* |
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| 4 | * This file is part of the Assetic package, an OpenSky project. |
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| 5 | * |
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| 6 | * (c) 2010-2012 OpenSky Project Inc |
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| 7 | * |
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| 8 | * For the full copyright and license information, please view the LICENSE |
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| 9 | * file that was distributed with this source code. |
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| 10 | */ |
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| 11 | |
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| 12 | namespace Assetic; |
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| 13 | |
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| 14 | use Assetic\Filter\FilterInterface; |
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| 15 | |
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| 16 | /** |
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| 17 | * Manages the available filters. |
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| 18 | * |
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| 19 | * @author Kris Wallsmith <kris.wallsmith@gmail.com> |
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| 20 | */ |
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| 21 | class FilterManager |
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| 22 | { |
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| 23 | private $filters = array(); |
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| 24 | |
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| 25 | public function set($alias, FilterInterface $filter) |
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| 26 | { |
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| 27 | $this->checkName($alias); |
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| 28 | |
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| 29 | $this->filters[$alias] = $filter; |
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| 30 | } |
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| 31 | |
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| 32 | public function get($alias) |
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| 33 | { |
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| 34 | if (!isset($this->filters[$alias])) { |
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| 35 | throw new \InvalidArgumentException(sprintf('There is no "%s" filter.', $alias)); |
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| 36 | } |
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| 37 | |
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| 38 | return $this->filters[$alias]; |
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| 39 | } |
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| 40 | |
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| 41 | public function has($alias) |
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| 42 | { |
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| 43 | return isset($this->filters[$alias]); |
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| 44 | } |
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| 45 | |
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| 46 | public function getNames() |
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| 47 | { |
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| 48 | return array_keys($this->filters); |
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| 49 | } |
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| 50 | |
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| 51 | /** |
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| 52 | * Checks that a name is valid. |
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| 53 | * |
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| 54 | * @param string $name An asset name candidate |
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| 55 | * |
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| 56 | * @throws \InvalidArgumentException If the asset name is invalid |
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| 57 | */ |
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| 58 | protected function checkName($name) |
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| 59 | { |
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| 60 | if (!ctype_alnum(str_replace('_', '', $name))) { |
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| 61 | throw new \InvalidArgumentException(sprintf('The name "%s" is invalid.', $name)); |
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| 62 | } |
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| 63 | } |
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| 64 | } |
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