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<?php |
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namespace ntentan\panie; |
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/** |
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* Holds all the bindings for the dependency injection. |
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*/ |
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class Bindings |
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{ |
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/** |
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* An array of all the bindings. |
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* |
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* @var array |
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*/ |
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private $bindings = []; |
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/** |
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* Key of the binding that would be altered with subsequent calls to a bindings object. |
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* |
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* @var string |
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*/ |
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private $activeKey; |
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/** |
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* Set the key of the binding to be modified or accessed on subsequent calls. |
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* |
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* @param $activeKey |
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* @return self |
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*/ |
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public function setActiveKey(string $activeKey) : self |
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{ |
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$this->activeKey = $activeKey; |
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return $this; |
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} |
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/** |
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* Registers a method to be called when an instance is created for the current active binding. |
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* This method could be a setter or some other optional initialization method. Parameters for methods registered |
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* with call that have type hints are also injected. |
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* |
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* @param string $method |
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* @param array $parameters |
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* @return self |
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*/ |
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public function call(string $method, array $parameters = []) : self |
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{ |
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$this->bindings[$this->activeKey]['calls'][] = [$method, $parameters]; |
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return $this; |
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} |
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/** |
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* Provides a concrete class or factory function to which the currently selected binding should be linked. |
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* |
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* @param mixed $value |
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* @return self |
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*/ |
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public function to($value) |
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{ |
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if(isset($this->bindings[$this->activeKey])) { |
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$this->bindings[$this->activeKey]['binding'] = $value; |
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} else { |
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$this->bindings[$this->activeKey] = ['binding' => $value, 'calls' => [], 'properties' => []]; |
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} |
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return $this; |
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} |
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/** |
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* Get the configuration of a binding. |
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* |
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* @param string $key |
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* @return mixed |
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*/ |
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public function get(string $key) |
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{ |
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return $this->bindings[$key]; |
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} |
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/** |
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* Checks if a binding exists. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return isset($this->bindings[$key]); |
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} |
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/** |
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* Register the current active binding as a singleton. |
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* |
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* @param bool $singleton |
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*/ |
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public function asSingleton($singleton = true) |
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{ |
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$this->bindings[$this->activeKey]['singleton'] = $singleton; |
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} |
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/** |
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* Setup bindings from an array. |
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* |
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* @param array $binding |
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*/ |
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private function setArrayBinding(array $binding) |
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{ |
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if(isset($binding[0])) { |
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$this->to($binding[0]); |
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} |
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if(isset($binding['calls'])){ |
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foreach($binding['calls'] as $call => $parameters) { |
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if(is_numeric($call)) { |
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$call = $parameters; |
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$parameters = []; |
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} |
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$this->call($call, $parameters); |
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} |
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} else { |
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$this->bindings[$this->activeKey]['calls'] = []; |
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} |
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$this->asSingleton($binding['singleton'] ?? false); |
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} |
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/** |
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* Merge current bindings with another configuration overwriting conflicting values with the new bindings. |
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* |
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* @param array $bindings |
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*/ |
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public function merge(array $bindings) |
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{ |
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foreach($bindings as $key => $binding) { |
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$this->activeKey = $key; |
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if(is_array($binding)) { |
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$this->setArrayBinding($binding); |
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} else { |
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$this->bindings[$key] = ['binding' => $binding, 'calls' => [], 'properties' => []]; |
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} |
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} |
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} |
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} |
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ntentan /
panie
