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<?php |
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namespace TomPHP\ContainerConfigurator; |
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use ArrayAccess; |
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use IteratorAggregate; |
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use TomPHP\ContainerConfigurator\Exception\EntryDoesNotExistException; |
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use TomPHP\ContainerConfigurator\Exception\ReadOnlyException; |
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final class ApplicationConfig implements ArrayAccess, IteratorAggregate |
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{ |
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/** |
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* @var array |
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*/ |
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private $config; |
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/** |
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* @var string |
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*/ |
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private $separator; |
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/** |
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* @param array $config |
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* @param string $separator |
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*/ |
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public function __construct(array $config, $separator = '.') |
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{ |
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\Assert\that($separator)->string()->notEmpty(); |
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$this->config = $config; |
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$this->separator = $separator; |
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} |
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public function merge(array $config) |
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{ |
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$this->config = array_replace_recursive($this->config, $config); |
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} |
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/** |
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* @param string $separator |
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* |
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* @return void |
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*/ |
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public function setSeparator($separator) |
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{ |
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\Assert\that($separator)->string()->notEmpty(); |
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$this->separator = $separator; |
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} |
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public function getIterator() |
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{ |
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return new ApplicationConfigIterator($this); |
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} |
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/** |
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* @return array<int|string> |
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*/ |
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public function getKeys() |
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{ |
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return array_keys(iterator_to_array(new ApplicationConfigIterator($this))); |
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} |
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public function offsetExists($offset) |
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{ |
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try { |
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$this->traverseConfig($this->getPath($offset)); |
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} catch (EntryDoesNotExistException $e) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @throws EntryDoesNotExistException |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->traverseConfig($this->getPath($offset)); |
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} |
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/** |
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* @throws ReadOnlyException |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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throw ReadOnlyException::fromClassName(__CLASS__); |
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} |
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/** |
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* @throws ReadOnlyException |
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*/ |
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public function offsetUnset($offset) |
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{ |
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throw ReadOnlyException::fromClassName(__CLASS__); |
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} |
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/** |
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* @return array |
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*/ |
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public function asArray() |
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{ |
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return $this->config; |
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} |
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/** |
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* @return string |
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*/ |
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public function getSeparator() |
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{ |
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return $this->separator; |
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} |
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private function getPath($offset) |
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{ |
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return explode($this->separator, $offset); |
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} |
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/** |
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* @return mixed |
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* |
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* @throws EntryDoesNotExistException |
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*/ |
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private function traverseConfig(array $path) |
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{ |
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$pointer = &$this->config; |
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foreach ($path as $node) { |
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if (!is_array($pointer) || !array_key_exists($node, $pointer)) { |
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throw EntryDoesNotExistException::fromKey(implode($this->separator, $path)); |
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} |
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$pointer = &$pointer[$node]; |
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} |
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return $pointer; |
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} |
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} |
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tomphp /
container-configurator
