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<?php |
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namespace Flying\Struct\Configuration; |
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use Flying\Struct\Exception; |
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/** |
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* Class namespaces management functionality for structures configuration |
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*/ |
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class NamespacesMap |
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{ |
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/** |
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* List of registered namespaces |
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* |
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* @var array |
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*/ |
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private $namespaces = []; |
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/** |
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* Class constructor |
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* |
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* @param array|string $namespaces OPTIONAL Namespaces to register |
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* @throws \InvalidArgumentException |
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*/ |
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public function __construct($namespaces = null) |
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{ |
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if ($namespaces) { |
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$this->add($namespaces); |
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} |
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} |
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/** |
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* Register class namespace |
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* |
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* @param string|array $namespace Class namespace |
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* @param string $alias OPTIONAL Namespace alias |
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* @throws \InvalidArgumentException |
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* @return $this |
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*/ |
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public function add($namespace, $alias = null) |
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{ |
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if (!is_array($namespace)) { |
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if ($namespace !== null) { |
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$namespace = ($alias !== null) ? [$alias => $namespace] : [$namespace]; |
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} else { |
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$namespace = []; |
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} |
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} |
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foreach ((array)$namespace as $na => $ns) { |
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if ((!is_string($ns)) || ($ns === '')) { |
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throw new \InvalidArgumentException('Class namespace must be a string'); |
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} |
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if ((!is_string($na)) || ($na === '')) { |
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$na = mb_strtolower(str_replace('\\', '_', $ns)); |
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} |
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$ns = trim($ns, '\\'); |
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$this->namespaces[$na] = $ns; |
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} |
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return $this; |
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} |
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/** |
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* Get registered namespace by given alias |
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* |
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* @param string $alias Namespace alias |
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* @throws Exception |
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* @return string |
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*/ |
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public function get($alias) |
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{ |
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if (!$this->has($alias)) { |
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throw new Exception('Class namespace with alias "' . $alias . '" is not registered'); |
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} |
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return $this->namespaces[$alias]; |
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} |
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/** |
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* Check if namespace with given alias is registered |
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* |
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* @param string $alias Namespace alias |
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* @return boolean |
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*/ |
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public function has($alias) |
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{ |
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return array_key_exists($alias, $this->namespaces); |
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} |
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/** |
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* Get all registered namespaces |
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* |
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* @return array |
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*/ |
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public function getAll() |
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{ |
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return $this->namespaces; |
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} |
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/** |
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* Remove namespace with given alias from list of registered namespaces |
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* |
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* @param string $alias Namespace alias |
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* @return $this |
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*/ |
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public function remove($alias) |
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{ |
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unset($this->namespaces[$alias]); |
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return $this; |
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} |
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} |
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FlyingDR /
struct
