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<?php |
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/** |
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* @author Gerard van Helden <[email protected]> |
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* @copyright Zicht Online <http://zicht.nl> |
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*/ |
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namespace Zicht\Bundle\FrameworkExtraBundle\Util; |
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/** |
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* A sorted set implementation: |
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* |
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* All values are ensured unique. |
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* All values are ensured sorted. |
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* |
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* @deprecated Use sorting and unique functionality from `zicht/itertools` instead |
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*/ |
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class SortedSet implements \Countable |
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{ |
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/** |
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* The set values |
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* |
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* @var array |
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*/ |
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private $values; |
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/** |
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* Construct the set with initial values |
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* |
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* @param array $values |
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*/ |
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public function __construct(array $values = array()) |
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{ |
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$this->setValues($values); |
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} |
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/** |
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* Remove all current values and replace them with the values. |
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* |
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* @param array $values |
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* @return void |
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*/ |
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public function setValues($values) |
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{ |
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$this->values = array(); |
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$this->addValues($values); |
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} |
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/** |
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* Returns the values as an array |
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* |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return $this->values; |
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} |
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/** |
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* Add all values in the given array. |
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* Values already in the set are ignored, and the set is sorted after adding. |
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* |
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* @param array $values |
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* @return void |
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*/ |
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public function addValues($values) |
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{ |
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foreach ($values as $value) { |
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$this->add($value); |
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} |
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} |
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/** |
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* Checks if the set contains the value |
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* |
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* @param int|float|string|bool $value |
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* @return array |
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*/ |
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public function contains($value) |
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{ |
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return in_array($value, $this->values); |
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} |
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/** |
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* Adds a value to the set. |
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* If the value is already present, it is ignored |
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* |
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* @param int|float|string|bool $value |
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* @return void |
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*/ |
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public function add($value) |
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{ |
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$this->values[] = $value; |
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$this->stateChanged(); |
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} |
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/** |
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* Removes a value from the set, if present |
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* |
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* @param int|float|string|bool $value |
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* @return void |
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*/ |
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public function remove($value) |
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{ |
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foreach ($this->values as $i => $v) { |
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if ($value == $v) { |
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unset($this->values[$i]); |
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break; |
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} |
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} |
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$this->stateChanged(); |
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} |
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/** |
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* Returns the number of items in the set |
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* |
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* @return int |
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*/ |
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public function count() |
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{ |
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return count($this->values); |
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} |
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/** |
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* Ensured uniqueness and sorted values |
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* |
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* @return void |
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*/ |
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private function stateChanged() |
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{ |
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if (count($this->values)) { |
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$this->values = array_unique(array_values($this->values)); |
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sort($this->values); |
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} |
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} |
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} |
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zicht /
framework-extra-bundle
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