wp-optimize / vendor / kriswallsmith / assetic / src / Assetic / AssetManager.php

AssetManager.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.3, at vendor/kriswallsmith/assetic/src/Assetic/AssetManager.php

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1	<?php
2
3	/*
4	* This file is part of the Assetic package, an OpenSky project.
5	*
6	* (c) 2010-2014 OpenSky Project Inc
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 Assetic;
13
14	use Assetic\Asset\AssetInterface;
15
16	/**
17	* Manages assets.
18	*
19	* @author Kris Wallsmith <[email protected]>
20	*/
21	class AssetManager
22	{
23	private $assets = array();
24
25	/**
26	* Gets an asset by name.
27	*
28	* @param string $name The asset name
29	*
30	* @return AssetInterface The asset
31	*
32	* @throws \InvalidArgumentException If there is no asset by that name
33	*/
34	public function get($name)
35	{
36	if (!isset($this->assets[$name])) {
37	throw new \InvalidArgumentException(sprintf('There is no "%s" asset.', $name));
38	}
39
40	return $this->assets[$name];
41	}
42
43	/**
44	* Checks if the current asset manager has a certain asset.
45	*
46	* @param string $name an asset name
47	*
48	* @return Boolean True if the asset has been set, false if not
49	*/
50	public function has($name)
51	{
52	return isset($this->assets[$name]);
53	}
54
55	/**
56	* Registers an asset to the current asset manager.
57	*
58	* @param string $name The asset name
59	* @param AssetInterface $asset The asset
60	*
61	* @throws \InvalidArgumentException If the asset name is invalid
62	*/
63	public function set($name, AssetInterface $asset)
64	{
65	if (!ctype_alnum(str_replace('_', '', $name))) {
66	throw new \InvalidArgumentException(sprintf('The name "%s" is invalid.', $name));
67	}
68
69	$this->assets[$name] = $asset;
70	}
71
72	/**
73	* Returns an array of asset names.
74	*
75	* @return array An array of asset names
76	*/
77	public function getNames()
78	{
79	return array_keys($this->assets);
80	}
81
82	/**
83	* Clears all assets.
84	*/
85	public function clear()
86	{
87	$this->assets = array();
88	}
89	}
90