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<?php |
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namespace Acclimate\Container; |
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use Interop\Container\ContainerInterface; |
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use Acclimate\Container\Exception\ContainerException; |
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use Acclimate\Container\Exception\NotFoundException; |
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/** |
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* The Array Container is a simple container that follows both the `ContainerInterface` and `ArrayAccess` interface. |
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* The container can be seeded with an array or array-like object. The "get" functionality will evaluate closures and |
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* cache results. |
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*/ |
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class ArrayContainer implements ContainerInterface, \ArrayAccess |
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{ |
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/** |
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* @var array|\ArrayAccess The container data |
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*/ |
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protected $data; |
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/** |
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* @var ContainerInterface The container that will be used for dependency lookups |
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*/ |
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protected $delegateLookupContainer; |
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/** |
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* @param array|\ArrayAccess|\Traversable $data Data for the container |
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* @param ContainerInterface $delegateLookupContainer The container that will be used for dependency lookups. |
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* |
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* @throws \InvalidArgumentException if the provided data is not an array or array-like object |
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*/ |
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public function __construct($data = array(), $delegateLookupContainer = null) |
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{ |
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if (is_array($data) || $data instanceof \ArrayAccess) { |
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$this->data = $data; |
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} elseif ($data instanceof \Traversable) { |
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$this->data = iterator_to_array($data, true); |
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} else { |
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throw new \InvalidArgumentException('The ArrayContainer requires either an array or an array-like object'); |
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} |
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$this->delegateLookupContainer = $delegateLookupContainer ?: $this; |
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} |
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public function get($id) |
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{ |
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if (isset($this->data[$id])) { |
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try { |
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if ($this->data[$id] instanceof \Closure) { |
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$this->data[$id] = call_user_func($this->data[$id], $this->delegateLookupContainer); |
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} |
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} catch (\Exception $prev) { |
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throw ContainerException::fromPrevious($id, $prev); |
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} |
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return $this->data[$id]; |
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} else { |
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throw NotFoundException::fromPrevious($id); |
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} |
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} |
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public function has($identifier) |
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{ |
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return isset($this->data[$identifier]); |
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} |
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public function offsetExists($offset) |
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{ |
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return isset($this->data[$offset]); |
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} |
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public function offsetGet($offset) |
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{ |
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return $this->get($offset); |
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} |
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public function offsetSet($offset, $value) |
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{ |
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$this->data[$offset] = $value; |
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} |
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public function offsetUnset($offset) |
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{ |
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unset($this->data[$offset]); |
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} |
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} |
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