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<?php |
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/** |
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* Layers manager |
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* User: moyo |
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* Date: 19/03/2018 |
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* Time: 10:51 AM |
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*/ |
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namespace Carno\Chain\Chips; |
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use Carno\Chain\Layered; |
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trait Extensions |
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{ |
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/** |
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* @param string $search |
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* @return bool |
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*/ |
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public function has(string $search) : bool |
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{ |
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foreach ($this->layers as $layer) { |
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if ($this->matched($layer, $search)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param string $search |
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* @return bool |
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*/ |
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public function remove(string $search) : bool |
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{ |
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foreach ($this->layers as $idx => $layer) { |
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if ($this->matched($layer, $search)) { |
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unset($this->layers[$idx]); |
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$this->layers = array_values($this->layers); |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param string $offset |
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* @param Layered ...$layers |
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* @return bool |
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*/ |
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public function prepend(string $offset = null, Layered ...$layers) : bool |
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{ |
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return $this->operating($offset, 'array_unshift', 0, $layers); |
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} |
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/** |
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* @param string $offset |
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* @param Layered ...$layers |
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* @return bool |
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*/ |
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public function append(string $offset = null, Layered ...$layers) : bool |
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{ |
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return $this->operating($offset, 'array_push', 1, $layers); |
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} |
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/** |
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* @param string $match |
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* @param string $func1 |
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* @param int $offset |
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* @param array $layers |
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* @return bool |
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*/ |
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private function operating(?string $match, string $func1, int $offset, array $layers) : bool |
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{ |
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if (is_null($match)) { |
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$func1($this->layers, ...$layers); |
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return true; |
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} else { |
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foreach ($this->layers as $idx => $layered) { |
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if ($this->matched($layered, $match)) { |
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$this->layers = array_merge( |
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array_slice($this->layers, 0, $idx + $offset), |
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$layers, |
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array_slice($this->layers, $idx + $offset) |
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); |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* @param Layered $layer |
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* @param string $api |
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* @return bool |
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*/ |
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private function matched(Layered $layer, string $api) : bool |
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{ |
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return get_class($layer) === $api || in_array($api, class_implements($layer)); |
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} |
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} |
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carno-php /
chain
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