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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