1 | <?php |
---|
2 | |
---|
3 | /* |
---|
4 | * This file is part of the Assetic package, an OpenSky project. |
---|
5 | * |
---|
6 | * (c) 2010-2012 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\Asset; |
---|
13 | |
---|
14 | use Assetic\Asset\Iterator\AssetCollectionFilterIterator; |
---|
15 | use Assetic\Asset\Iterator\AssetCollectionIterator; |
---|
16 | use Assetic\Filter\FilterCollection; |
---|
17 | use Assetic\Filter\FilterInterface; |
---|
18 | |
---|
19 | /** |
---|
20 | * A collection of assets. |
---|
21 | * |
---|
22 | * @author Kris Wallsmith <kris.wallsmith@gmail.com> |
---|
23 | */ |
---|
24 | class AssetCollection implements \IteratorAggregate, AssetCollectionInterface |
---|
25 | { |
---|
26 | private $assets; |
---|
27 | private $filters; |
---|
28 | private $sourceRoot; |
---|
29 | private $targetPath; |
---|
30 | private $content; |
---|
31 | private $clones; |
---|
32 | private $vars; |
---|
33 | private $values; |
---|
34 | |
---|
35 | /** |
---|
36 | * Constructor. |
---|
37 | * |
---|
38 | * @param array $assets Assets for the current collection |
---|
39 | * @param array $filters Filters for the current collection |
---|
40 | * @param string $sourceRoot The root directory |
---|
41 | * @param array $vars |
---|
42 | */ |
---|
43 | public function __construct($assets = array(), $filters = array(), $sourceRoot = null, array $vars = array()) |
---|
44 | { |
---|
45 | $this->assets = array(); |
---|
46 | foreach ($assets as $asset) { |
---|
47 | $this->add($asset); |
---|
48 | } |
---|
49 | |
---|
50 | $this->filters = new FilterCollection($filters); |
---|
51 | $this->sourceRoot = $sourceRoot; |
---|
52 | $this->clones = new \SplObjectStorage(); |
---|
53 | $this->vars = $vars; |
---|
54 | $this->values = array(); |
---|
55 | } |
---|
56 | |
---|
57 | public function all() |
---|
58 | { |
---|
59 | return $this->assets; |
---|
60 | } |
---|
61 | |
---|
62 | public function add(AssetInterface $asset) |
---|
63 | { |
---|
64 | $this->assets[] = $asset; |
---|
65 | } |
---|
66 | |
---|
67 | public function removeLeaf(AssetInterface $needle, $graceful = false) |
---|
68 | { |
---|
69 | foreach ($this->assets as $i => $asset) { |
---|
70 | $clone = isset($this->clones[$asset]) ? $this->clones[$asset] : null; |
---|
71 | if (in_array($needle, array($asset, $clone), true)) { |
---|
72 | unset($this->clones[$asset], $this->assets[$i]); |
---|
73 | |
---|
74 | return true; |
---|
75 | } |
---|
76 | |
---|
77 | if ($asset instanceof AssetCollectionInterface && $asset->removeLeaf($needle, true)) { |
---|
78 | return true; |
---|
79 | } |
---|
80 | } |
---|
81 | |
---|
82 | if ($graceful) { |
---|
83 | return false; |
---|
84 | } |
---|
85 | |
---|
86 | throw new \InvalidArgumentException('Leaf not found.'); |
---|
87 | } |
---|
88 | |
---|
89 | public function replaceLeaf(AssetInterface $needle, AssetInterface $replacement, $graceful = false) |
---|
90 | { |
---|
91 | foreach ($this->assets as $i => $asset) { |
---|
92 | $clone = isset($this->clones[$asset]) ? $this->clones[$asset] : null; |
---|
93 | if (in_array($needle, array($asset, $clone), true)) { |
---|
94 | unset($this->clones[$asset]); |
---|
95 | $this->assets[$i] = $replacement; |
---|
96 | |
---|
97 | return true; |
---|
98 | } |
---|
99 | |
---|
100 | if ($asset instanceof AssetCollectionInterface && $asset->replaceLeaf($needle, $replacement, true)) { |
---|
101 | return true; |
---|
102 | } |
---|
103 | } |
---|
104 | |
---|
105 | if ($graceful) { |
---|
106 | return false; |
---|
107 | } |
---|
108 | |
---|
109 | throw new \InvalidArgumentException('Leaf not found.'); |
---|
110 | } |
---|
111 | |
---|
112 | public function ensureFilter(FilterInterface $filter) |
---|
113 | { |
---|
114 | $this->filters->ensure($filter); |
---|
115 | } |
---|
116 | |
---|
117 | public function getFilters() |
---|
118 | { |
---|
119 | return $this->filters->all(); |
---|
120 | } |
---|
121 | |
---|
122 | public function clearFilters() |
---|
123 | { |
---|
124 | $this->filters->clear(); |
---|
125 | } |
---|
126 | |
---|
127 | public function load(FilterInterface $additionalFilter = null) |
---|
128 | { |
---|
129 | // loop through leaves and load each asset |
---|
130 | $parts = array(); |
---|
131 | foreach ($this as $asset) { |
---|
132 | $asset->load($additionalFilter); |
---|
133 | $parts[] = $asset->getContent(); |
---|
134 | } |
---|
135 | |
---|
136 | $this->content = implode("\n", $parts); |
---|
137 | } |
---|
138 | |
---|
139 | public function dump(FilterInterface $additionalFilter = null) |
---|
140 | { |
---|
141 | // loop through leaves and dump each asset |
---|
142 | $parts = array(); |
---|
143 | foreach ($this as $asset) { |
---|
144 | $parts[] = $asset->dump($additionalFilter); |
---|
145 | } |
---|
146 | |
---|
147 | return implode("\n", $parts); |
---|
148 | } |
---|
149 | |
---|
150 | public function getContent() |
---|
151 | { |
---|
152 | return $this->content; |
---|
153 | } |
---|
154 | |
---|
155 | public function setContent($content) |
---|
156 | { |
---|
157 | $this->content = $content; |
---|
158 | } |
---|
159 | |
---|
160 | public function getSourceRoot() |
---|
161 | { |
---|
162 | return $this->sourceRoot; |
---|
163 | } |
---|
164 | |
---|
165 | public function getSourcePath() |
---|
166 | { |
---|
167 | } |
---|
168 | |
---|
169 | public function getTargetPath() |
---|
170 | { |
---|
171 | return $this->targetPath; |
---|
172 | } |
---|
173 | |
---|
174 | public function setTargetPath($targetPath) |
---|
175 | { |
---|
176 | $this->targetPath = $targetPath; |
---|
177 | } |
---|
178 | |
---|
179 | /** |
---|
180 | * Returns the highest last-modified value of all assets in the current collection. |
---|
181 | * |
---|
182 | * @return integer|null A UNIX timestamp |
---|
183 | */ |
---|
184 | public function getLastModified() |
---|
185 | { |
---|
186 | if (!count($this->assets)) { |
---|
187 | return; |
---|
188 | } |
---|
189 | |
---|
190 | $mtime = 0; |
---|
191 | foreach ($this as $asset) { |
---|
192 | $assetMtime = $asset->getLastModified(); |
---|
193 | if ($assetMtime > $mtime) { |
---|
194 | $mtime = $assetMtime; |
---|
195 | } |
---|
196 | } |
---|
197 | |
---|
198 | return $mtime; |
---|
199 | } |
---|
200 | |
---|
201 | /** |
---|
202 | * Returns an iterator for looping recursively over unique leaves. |
---|
203 | */ |
---|
204 | public function getIterator() |
---|
205 | { |
---|
206 | return new \RecursiveIteratorIterator(new AssetCollectionFilterIterator(new AssetCollectionIterator($this, $this->clones))); |
---|
207 | } |
---|
208 | |
---|
209 | public function getVars() |
---|
210 | { |
---|
211 | return $this->vars; |
---|
212 | } |
---|
213 | |
---|
214 | public function setValues(array $values) |
---|
215 | { |
---|
216 | $this->values = $values; |
---|
217 | |
---|
218 | foreach ($this as $asset) { |
---|
219 | $asset->setValues(array_intersect_key($values, array_flip($asset->getVars()))); |
---|
220 | } |
---|
221 | } |
---|
222 | |
---|
223 | public function getValues() |
---|
224 | { |
---|
225 | return $this->values; |
---|
226 | } |
---|
227 | } |
---|