80 lines
1.8 KiB
PHP
80 lines
1.8 KiB
PHP
<?php
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/*
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* This file is part of the Assetic package, an OpenSky project.
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*
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* (c) 2010-2012 OpenSky Project Inc
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Assetic;
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use Assetic\Asset\AssetInterface;
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/**
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* Manages assets.
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*
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* @author Kris Wallsmith <kris.wallsmith@gmail.com>
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*/
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class AssetManager
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{
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private $assets = array();
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/**
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* Gets an asset by name.
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*
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* @param string $name The asset name
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*
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* @return AssetInterface The asset
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*
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* @throws InvalidArgumentException If there is no asset by that name
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*/
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public function get($name)
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{
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if (!isset($this->assets[$name])) {
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throw new \InvalidArgumentException(sprintf('There is no "%s" asset.', $name));
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}
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return $this->assets[$name];
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}
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/**
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* Checks if the current asset manager has a certain asset.
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*
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* @param string $name an asset name
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*
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* @return Boolean True if the asset has been set, false if not
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*/
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public function has($name)
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{
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return isset($this->assets[$name]);
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}
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/**
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* Registers an asset to the current asset manager.
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*
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* @param string $name The asset name
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* @param AssetInterface $asset The asset
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*/
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public function set($name, AssetInterface $asset)
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{
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if (!ctype_alnum(str_replace('_', '', $name))) {
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throw new \InvalidArgumentException(sprintf('The name "%s" is invalid.', $name));
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}
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$this->assets[$name] = $asset;
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}
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/**
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* Returns an array of asset names.
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*
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* @return array An array of asset names
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*/
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public function getNames()
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{
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return array_keys($this->assets);
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}
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}
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