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<?php |
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namespace Bavix\Slice; |
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use Bavix\Helpers\Arr; |
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use Bavix\Iterator\Iterator; |
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use Bavix\Exceptions; |
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class Slice extends Iterator |
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{ |
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/** |
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* Slice constructor. |
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* |
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* @param array $data |
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* @param array|Slice $parameters |
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*/ |
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public function __construct(array $data, $parameters = null) |
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{ |
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parent::__construct($data); |
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if (null !== $parameters) |
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{ |
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$this->walk($parameters); |
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} |
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} |
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/** |
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* @param array|\Traversable $data |
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* |
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* @return self |
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*/ |
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public static function from($data): self |
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{ |
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if ($data instanceof self) |
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{ |
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return $data; |
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} |
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return new static( |
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Arr::iterator($data) |
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); |
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} |
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/** |
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* @param int $depth |
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* |
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* @return array |
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*/ |
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public function asArray($depth = INF) |
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{ |
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if (!$depth || $depth <= 0) |
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{ |
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return $this->data; |
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} |
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$results = []; |
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foreach (parent::asArray() as $key => $data) |
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{ |
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$results[$key] = |
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$data instanceof self ? |
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$data->asArray(is_bool($data) ? INF : --$depth) : |
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$data; |
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} |
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return $results; |
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} |
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/** |
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* @param Slice|array $slice |
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*/ |
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protected function walk($slice) |
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if (is_array($slice)) |
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{ |
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$slice = $this->make($slice); |
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} |
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Arr::walkRecursive($this->data, function (&$value) use ($slice) |
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{ |
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if (is_string($value) && $value{0} === '%' && $value{\strlen($value) - 1} === '%') |
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{ |
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$path = \substr($value, 1, -1); |
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$value = $slice->getData($path); |
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} |
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}); |
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} |
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/** |
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* @return \Generator|Slice[] |
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*/ |
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public function asGenerator() |
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{ |
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foreach ($this->data as $key => $object) |
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{ |
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yield $key => $this->make($object); |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public function keys() |
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{ |
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return Arr::getKeys($this->data); |
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} |
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/** |
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* @return Slice[] |
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*/ |
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public function asObject() |
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{ |
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return Arr::iterator($this->asGenerator()); |
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} |
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/** |
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* @param array $data |
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* |
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* @return static |
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*/ |
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public function setData(array $data) |
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{ |
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$this->data = $data; |
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return $this; |
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} |
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/** |
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* @param string $offset |
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* @param mixed $default |
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* |
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* @return mixed |
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*/ |
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public function getData($offset, $default = null) |
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{ |
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return Arr::get($this->data, $offset, $default); |
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} |
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/** |
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* @param string $offset |
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* |
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* @return Slice |
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*/ |
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public function getSlice($offset) |
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{ |
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return $this->make($this->getRequired($offset)); |
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} |
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/** |
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* @param array $data |
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* |
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* @return Slice |
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*/ |
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public function make(array $data) |
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{ |
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return (clone $this)->setData($data); |
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} |
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/** |
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* @param string $offset |
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* |
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* @return array|mixed |
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*/ |
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public function getRequired($offset) |
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{ |
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return Arr::getRequired($this->data, $offset); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetExists($offset) |
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{ |
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return Arr::get($this->data, $offset) !== null; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->getRequired($offset); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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if (null === $offset) |
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{ |
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throw new Exceptions\Invalid('Slice does not support NULL'); |
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} |
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Arr::set($this->data, $offset, $value); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetUnset($offset) |
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{ |
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Arr::remove($this->data, $offset); |
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} |
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} |
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bavix /
slice
