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<?php namespace Knot\Dict; |
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use Knot\Dict\Helpers\HelperInterface; |
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use Knot\Exceptions\FunctionExecuteException; |
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use Knot\Exceptions\WrongFunctionException; |
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class HelperManager { |
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/** |
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* Helper Manager Object. |
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*/ |
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protected static $instance = null; |
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/** |
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* Helper list. |
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*/ |
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private $helperList = [ ]; |
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/** |
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* Functions Routes. |
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*/ |
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private $functionRoutes = [ ]; |
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/** |
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* Return instance of Self! |
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*/ |
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public static function getInstance() |
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{ |
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if ( ! self::$instance ) |
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{ |
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self::$instance = new self(); |
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} |
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return self::$instance; |
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} |
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public function __construct() |
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{ |
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$baseHelpers = self::getBaseHelpers(); |
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// Load core helpers! |
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foreach ($baseHelpers as $helperObjectAddress) |
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{ |
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$this->loadHelper(new $helperObjectAddress($this)); |
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} |
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} |
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public static function getBaseHelpers() |
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{ |
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return [ |
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"\\Knot\\Dict\\Helpers\\PHPArrayChangerHelper", |
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"\\Knot\\Dict\\Helpers\\PHPArrayEqualizerHelper", |
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"\\Knot\\Dict\\Helpers\\UnderscoreHelper" |
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]; |
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} |
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/** |
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* Add new functions to static function list. |
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* |
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* @param $functionRoute |
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* @param Callable $function |
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* |
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* @return false|Callable |
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*/ |
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public function addRoute($functionRoute, callable $function) |
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{ |
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if ( $this->isRoute($functionRoute) ) |
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{ |
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return false; |
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} |
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return $this->functionRoutes[$functionRoute] = $function; |
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} |
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/** |
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* @param string $functionName |
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* |
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* @return bool |
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*/ |
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public function isRoute($functionName) |
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{ |
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return isset( $this->functionRoutes[$functionName] ); |
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} |
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/** |
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* Load Helper! |
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* |
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* @param HelperInterface $helperObject |
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* |
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* @return false|HelperInterface |
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*/ |
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public function loadHelper(HelperInterface $helperObject) |
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{ |
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$helperName = $helperObject->getName(); |
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if ( $this->isHelper($helperName) ) |
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{ |
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return false; |
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} |
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$helperObject->addRoutes($this); |
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return $this->helperList[$helperName] = $helperObject; |
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} |
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/** |
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* @param string $functionName |
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* @param array $arguments |
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* @param \Knot\ParentArray |
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* |
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* @return mixed |
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* @throws WrongFunctionException|FunctionExecuteException |
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*/ |
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public function execute($functionName, $arguments, $knot) |
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{ |
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if ( $this->isRoute($functionName) ) |
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{ |
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$targetFunction = $this->getRoute($functionName); |
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try |
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{ |
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return call_user_func($targetFunction, $knot, $arguments, $functionName); |
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} |
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catch (\Exception $e) |
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{ |
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throw new FunctionExecuteException($functionName); |
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} |
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} |
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else |
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{ |
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throw new WrongFunctionException($functionName); |
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} |
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} |
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public function getRoute($staticFunctionName) |
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{ |
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return $this->functionRoutes[$staticFunctionName]; |
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} |
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149
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public function isHelper($helperName) |
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{ |
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return isset( $this->helperList[$helperName] ); |
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} |
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} |
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kalaomer /
knot
