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<?php |
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/** |
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* CakeCMS Core |
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* |
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* This file is part of the of the simple cms based on CakePHP 3. |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @package Core |
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* @license MIT |
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* @copyright MIT License http://www.opensource.org/licenses/mit-license.php |
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* @link https://github.com/CakeCMS/Core". |
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* @author Sergey Kalistratov <[email protected]> |
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*/ |
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namespace Core\Helper; |
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use Cake\Core\Configure; |
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use Core\Plugin; |
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use Core\Container; |
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use JBZoo\Utils\Arr; |
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use JBZoo\Utils\Str; |
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use Cake\Utility\Inflector; |
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/** |
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* Class Manager |
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* |
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* @package Core\Helper |
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*/ |
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class Manager extends Container |
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{ |
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/** |
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* Helper class name suffix. |
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*/ |
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const HELPER_SUFFIX = 'Helper'; |
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/** |
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* Hold loaded helpers. |
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* |
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* @var array |
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*/ |
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protected static $_loaded = []; |
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/** |
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* List of namespaces. |
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* |
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* @var array |
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*/ |
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protected static $_namespace = []; |
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/** |
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* Manager constructor. |
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* |
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* @param array $values |
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*/ |
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public function __construct(array $values = []) |
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{ |
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parent::__construct($values); |
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foreach ((array) Plugin::loaded() as $plugin) { |
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$this->addNamespace($plugin); |
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} |
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} |
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/** |
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* Add new helper group namespace. |
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* |
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* @param string $name |
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* @return bool |
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*/ |
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public function addNamespace($name) |
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{ |
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if (!Arr::in($name, self::$_namespace)) { |
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self::$_namespace[] = $name; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Gets a parameter or an object. |
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* |
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* @param string $id |
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* @return mixed |
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*/ |
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public function offsetGet($id) |
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{ |
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$id = Str::low($id); |
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if (!Arr::key($id, self::$_loaded)) { |
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$className = $this->_getClassName($id); |
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$this->_register($id, $className); |
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} |
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return parent::offsetGet($id); |
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} |
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/** |
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* Register helper class. |
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* |
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* @param string $id |
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* @param $className |
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*/ |
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protected function _register($id, $className) |
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{ |
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$id = (string) $id; |
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if (class_exists($className)) { |
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self::$_loaded[$id] = $className; |
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$this[$id] = function () use ($className) { |
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return new $className(); |
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}; |
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} else { |
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throw new Exception("Helper \"{{$className}}\" not found!"); |
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} |
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} |
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/** |
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* Get current helper class name. |
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* |
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* @param string $class |
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* @return string |
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*/ |
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protected function _getClassName($class) |
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{ |
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$class = Str::low($class); |
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list ($plugin, $className) = pluginSplit($class); |
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$return = self::HELPER_SUFFIX . '\\' . Inflector::camelize($className) . self::HELPER_SUFFIX; |
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if ($plugin !== null) { |
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return Inflector::camelize($plugin) . '\\' . $return; |
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} |
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return Configure::read('App.namespace') . '\\' . $return; |
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} |
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} |
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CakeCMS /
Core
