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<?php |
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namespace phootwork\collection; |
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use \Iterator; |
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/** |
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* Represents a List |
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* |
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* @author Thomas Gossmann |
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*/ |
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class ArrayList extends AbstractList { |
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/** |
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* Creates a new ArrayList |
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* |
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* @param array|Iterator $collection |
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*/ |
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public function __construct($collection = []) { |
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$this->addAll($collection); |
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} |
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/** |
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* Adds an element to that list |
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* |
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* @param mixed $element |
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* @param int $index |
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* @return $this |
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*/ |
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public function add($element, $index = null) { |
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if ($index === null) { |
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$this->collection[$this->size()] = $element; |
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} else { |
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array_splice($this->collection, $index, 0, $element); |
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} |
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return $this; |
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} |
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/** |
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* Adds all elements to the list |
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* |
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* @param array|Iterator $collection |
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* @return $this |
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*/ |
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public function addAll($collection) { |
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foreach ($collection as $element) { |
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$this->add($element); |
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} |
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return $this; |
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} |
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/** |
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* Returns the element at the given index (or nothing if the index isn't present) |
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* |
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* @param int $index |
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* @return mixed |
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*/ |
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public function get($index) { |
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if (isset($this->collection[$index])) { |
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return $this->collection[$index]; |
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} |
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} |
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/** |
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* Returns the index of the given element or FALSE if the element can't be found |
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* |
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* @param mixed $element |
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* @return int the index for the given element |
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*/ |
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public function indexOf($element) { |
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return array_search($element, $this->collection, true); |
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} |
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/** |
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* Removes an element from the list |
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* |
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* @param mixed $element |
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* @return $this |
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*/ |
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public function remove($element) { |
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$index = array_search($element, $this->collection, true); |
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if ($index !== null) { |
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unset($this->collection[$index]); |
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} |
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return $this; |
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} |
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/** |
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* Removes all elements from the list |
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* |
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* @param array|Iterator $collection |
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* @return $this |
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*/ |
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public function removeAll($collection) { |
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foreach ($collection as $element) { |
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$this->remove($element); |
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} |
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return $this; |
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} |
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} |
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