[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\Filter; |
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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 | * A collection of filters. |
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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 FilterCollection implements FilterInterface, \IteratorAggregate, \Countable |
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| 22 | { |
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| 23 | private $filters = array(); |
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| 24 | |
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| 25 | public function __construct($filters = array()) |
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| 26 | { |
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| 27 | foreach ($filters as $filter) { |
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| 28 | $this->ensure($filter); |
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| 29 | } |
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| 30 | } |
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| 31 | |
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| 32 | /** |
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| 33 | * Checks that the current collection contains the supplied filter. |
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| 34 | * |
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| 35 | * If the supplied filter is another filter collection, each of its |
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| 36 | * filters will be checked. |
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| 37 | */ |
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| 38 | public function ensure(FilterInterface $filter) |
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| 39 | { |
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| 40 | if ($filter instanceof \Traversable) { |
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| 41 | foreach ($filter as $f) { |
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| 42 | $this->ensure($f); |
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| 43 | } |
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| 44 | } elseif (!in_array($filter, $this->filters, true)) { |
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| 45 | $this->filters[] = $filter; |
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| 46 | } |
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| 47 | } |
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| 48 | |
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| 49 | public function all() |
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| 50 | { |
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| 51 | return $this->filters; |
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| 52 | } |
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| 53 | |
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| 54 | public function clear() |
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| 55 | { |
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| 56 | $this->filters = array(); |
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| 57 | } |
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| 58 | |
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| 59 | public function filterLoad(AssetInterface $asset) |
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| 60 | { |
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| 61 | foreach ($this->filters as $filter) { |
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| 62 | $filter->filterLoad($asset); |
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| 63 | } |
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| 64 | } |
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| 65 | |
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| 66 | public function filterDump(AssetInterface $asset) |
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| 67 | { |
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| 68 | foreach ($this->filters as $filter) { |
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| 69 | $filter->filterDump($asset); |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | public function getIterator() |
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| 74 | { |
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| 75 | return new \ArrayIterator($this->filters); |
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| 76 | } |
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| 77 | |
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| 78 | public function count() |
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| 79 | { |
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| 80 | return count($this->filters); |
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| 81 | } |
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| 82 | } |
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