scratch – Blame information for rev 115
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115 | office | 1 | <?php |
2 | |||
3 | /* |
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4 | * This file is part of PHP-FFmpeg. |
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5 | * |
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6 | * (c) Alchemy <dev.team@alchemy.fr> |
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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 | |||
12 | namespace FFMpeg\Filters; |
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13 | |||
14 | class FiltersCollection implements \Countable, \IteratorAggregate |
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15 | { |
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16 | private $sorted; |
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17 | private $filters = array(); |
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18 | |||
19 | /** |
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20 | * @param FilterInterface $filter |
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21 | * |
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22 | * @return FiltersCollection |
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23 | */ |
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24 | public function add(FilterInterface $filter) |
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25 | { |
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26 | $this->filters[$filter->getPriority()][] = $filter; |
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27 | $this->sorted = null; |
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28 | |||
29 | return $this; |
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30 | } |
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31 | |||
32 | /** |
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33 | * {@inheritdoc} |
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34 | */ |
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35 | public function count() |
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36 | { |
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37 | if (0 === count($this->filters)) { |
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38 | return 0; |
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39 | } |
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40 | |||
41 | return count(call_user_func_array('array_merge', $this->filters)); |
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42 | } |
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43 | |||
44 | /** |
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45 | * {@inheritdoc} |
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46 | */ |
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47 | public function getIterator() |
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48 | { |
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49 | if (null === $this->sorted) { |
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50 | if (0 === count($this->filters)) { |
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51 | $this->sorted = $this->filters; |
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52 | } else { |
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53 | krsort($this->filters); |
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54 | $this->sorted = call_user_func_array('array_merge', $this->filters); |
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55 | } |
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56 | } |
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57 | |||
58 | return new \ArrayIterator($this->sorted); |
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59 | } |
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60 | } |