[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\Asset\AssetInterface; |
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| 15 | |
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| 16 | /** |
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| 17 | * Manages assets. |
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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 AssetManager |
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| 22 | { |
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| 23 | private $assets = array(); |
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| 24 | |
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| 25 | /** |
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| 26 | * Gets an asset by name. |
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| 27 | * |
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| 28 | * @param string $name The asset name |
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| 29 | * |
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| 30 | * @return AssetInterface The asset |
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| 31 | * |
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| 32 | * @throws \InvalidArgumentException If there is no asset by that name |
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| 33 | */ |
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| 34 | public function get($name) |
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| 35 | { |
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| 36 | if (!isset($this->assets[$name])) { |
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| 37 | throw new \InvalidArgumentException(sprintf('There is no "%s" asset.', $name)); |
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| 38 | } |
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| 39 | |
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| 40 | return $this->assets[$name]; |
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| 41 | } |
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| 42 | |
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| 43 | /** |
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| 44 | * Checks if the current asset manager has a certain asset. |
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| 45 | * |
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| 46 | * @param string $name an asset name |
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| 47 | * |
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| 48 | * @return Boolean True if the asset has been set, false if not |
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| 49 | */ |
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| 50 | public function has($name) |
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| 51 | { |
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| 52 | return isset($this->assets[$name]); |
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| 53 | } |
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| 54 | |
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| 55 | /** |
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| 56 | * Registers an asset to the current asset manager. |
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| 57 | * |
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| 58 | * @param string $name The asset name |
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| 59 | * @param AssetInterface $asset The asset |
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| 60 | * |
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| 61 | * @throws \InvalidArgumentException If tthe asset name is invalid |
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| 62 | */ |
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| 63 | public function set($name, AssetInterface $asset) |
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| 64 | { |
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| 65 | if (!ctype_alnum(str_replace('_', '', $name))) { |
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| 66 | throw new \InvalidArgumentException(sprintf('The name "%s" is invalid.', $name)); |
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| 67 | } |
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| 68 | |
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| 69 | $this->assets[$name] = $asset; |
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| 70 | } |
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| 71 | |
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| 72 | /** |
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| 73 | * Returns an array of asset names. |
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| 74 | * |
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| 75 | * @return array An array of asset names |
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| 76 | */ |
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| 77 | public function getNames() |
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| 78 | { |
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| 79 | return array_keys($this->assets); |
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| 80 | } |
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| 81 | } |
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