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<?php |
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namespace ArgumentResolver\Resolution; |
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class Resolutions implements \IteratorAggregate |
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{ |
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/** |
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* @var Resolution[] |
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*/ |
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private $resolutions; |
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/** |
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* @param Resolution[] $resolutions |
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*/ |
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public function __construct(array $resolutions = []) |
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{ |
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$this->resolutions = $resolutions; |
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} |
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/** |
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* @param Resolution $resolution |
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*/ |
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public function add(Resolution $resolution) |
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{ |
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$this->resolutions[] = $resolution; |
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} |
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/** |
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* @param array $resolutions |
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*/ |
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public function addCollection(array $resolutions) |
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{ |
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foreach ($resolutions as $resolution) { |
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$this->add($resolution); |
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} |
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} |
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/** |
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* Sort `Resolution`s by priority. |
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* |
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* The higher the priority is, the first the `Resolution` will be. |
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* |
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* @return Resolutions |
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*/ |
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public function sortByPriority() |
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{ |
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usort($this->resolutions, function (Resolution $left, Resolution $right) { |
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return $left->priority() < $right->priority() ? 1 : -1; |
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}); |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function toArgumentsArray() |
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{ |
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$arguments = []; |
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foreach ($this->resolutions as $resolution) { |
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if (array_key_exists($resolution->position(), $arguments)) { |
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continue; |
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} |
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$arguments[$resolution->position()] = $resolution->value(); |
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} |
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ksort($arguments); |
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return $arguments; |
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} |
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/** |
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* {@inheritdoc). |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->toArray()); |
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} |
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/** |
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* @return Resolution[] |
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*/ |
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public function toArray() |
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{ |
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return $this->resolutions; |
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} |
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/** |
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* @param int $expectedArguments The number of expected arguments |
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* |
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* @return array |
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*/ |
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public function getMissingResolutionPositions($expectedArguments = null) |
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{ |
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$positions = []; |
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if (null !== ($highestPosition = $this->getHighestPosition())) { |
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foreach (range(0, $highestPosition) as $position) { |
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if (null === $this->getByPosition($position)) { |
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$positions[] = $position; |
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} |
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} |
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} |
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if (is_int($expectedArguments) && $expectedArguments > 0) { |
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for ($i = $highestPosition === null ? -1 : $highestPosition; $i < ($expectedArguments - 1); $i++) { |
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$positions[] = $i + 1; |
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} |
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} |
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return $positions; |
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} |
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/** |
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* @return int|null |
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*/ |
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private function getHighestPosition() |
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{ |
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if (count($this->resolutions) == 0) { |
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return null; |
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} |
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$position = 0; |
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foreach ($this->resolutions as $resolution) { |
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$position = max($position, $resolution->position()); |
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} |
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return $position; |
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} |
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/** |
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* @param $position |
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* |
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* @return Resolution|null |
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*/ |
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private function getByPosition($position) |
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{ |
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foreach ($this->resolutions as $resolution) { |
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if ($resolution->position() === $position) { |
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return $resolution; |
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} |
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} |
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return; |
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} |
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} |
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sroze /
ArgumentResolver
