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<?php |
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/* |
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* This file is a part of Sculpin. |
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* |
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* (c) Dragonfly Development 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 Symplify\PHP7_Sculpin\Contrib\ProxySourceCollection; |
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use Symplify\PHP7_Sculpin\Contrib\ProxySourceCollection\Sorter\DefaultSorter; |
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use Symplify\PHP7_Sculpin\Contrib\ProxySourceCollection\Sorter\SorterInterface; |
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final class ProxySourceCollection implements \ArrayAccess, \Iterator, \Countable |
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{ |
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protected $items; |
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protected $sorter; |
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public function __construct(array $items = [], SorterInterface $sorter = null) |
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{ |
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$this->items = $items; |
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$this->sorter = $sorter ?: new DefaultSorter(); |
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} |
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public function offsetSet($offset, $value) |
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{ |
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if (is_null($offset)) { |
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$this->items[] = $value; |
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} else { |
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$this->items[$offset] = $value; |
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} |
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} |
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public function offsetExists($offset) |
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{ |
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return isset($this->items[$offset]); |
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} |
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public function offsetUnset($offset) |
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{ |
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unset($this->items[$offset]); |
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} |
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public function offsetGet($offset) |
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{ |
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return isset($this->items[$offset]) ? $this->items[$offset] : null; |
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} |
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public function rewind() |
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{ |
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reset($this->items); |
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} |
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public function current() |
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{ |
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return current($this->items); |
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} |
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public function key() |
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{ |
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return key($this->items); |
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} |
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public function next() |
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{ |
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return next($this->items); |
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} |
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public function valid() |
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{ |
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return $this->current() !== false; |
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} |
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public function count() |
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{ |
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return count($this->items); |
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} |
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public function init() |
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{ |
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$this->sort(); |
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$previousItem = null; |
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$item = null; |
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foreach (array_reverse($this->items) as $item) { |
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if ($previousItem) { |
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$previousItem->setNextItem($item); |
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} |
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$item->setPreviousItem($previousItem); |
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$previousItem = $item; |
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} |
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if ($item) { |
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$item->setNextItem(null); |
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} |
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} |
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public function first() |
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{ |
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$keys = array_keys($this->items); |
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return $this->items[$keys[0]]; |
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} |
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public function sort() |
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{ |
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uasort($this->items, [$this->sorter, 'sort']); |
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} |
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} |
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Symplify /
PHP7_Sculpin
