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<?php |
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if ( ! defined( 'EVENT_ESPRESSO_VERSION' ) ) { |
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exit( 'No direct script access allowed' ); |
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} |
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/** |
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* Class EE_Dependency_Map |
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* |
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* info about how to load classes required by other classes |
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* |
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* @package Event Espresso |
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* @subpackage core |
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* @author Brent Christensen |
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* @since 4.9.0 |
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* |
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*/ |
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class EE_Dependency_Map { |
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/** |
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* @type EE_Dependency_Map $_instance |
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*/ |
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protected static $_instance = null; |
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/** |
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* @type array $_dependency_map |
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*/ |
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protected static $_dependency_map = array(); |
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/** |
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* @type array $_class_loaders |
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*/ |
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protected static $_class_loaders = array(); |
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/** |
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* EE_Dependency_Map constructor. |
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*/ |
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protected function __construct() { |
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$this->_register_core_dependencies(); |
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$this->_register_core_class_loaders(); |
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do_action( 'EE_Dependency_Map____construct' ); |
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} |
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/** |
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* @singleton method used to instantiate class object |
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* @access public |
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* @return \EE_Dependency_Map instance |
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*/ |
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public static function instance() { |
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// check if class object is instantiated, and instantiated properly |
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if ( ! self::$_instance instanceof EE_Dependency_Map ) { |
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self::$_instance = new EE_Dependency_Map(); |
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} |
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return self::$_instance; |
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} |
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/** |
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* @return array |
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*/ |
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public static function dependency_map() { |
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return self::$_dependency_map; |
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} |
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/** |
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* @param string $class |
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* @param array $dependencies |
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* @return boolean |
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*/ |
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public static function register_dependencies( $class, $dependencies ) { |
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if ( ! isset( self::$_dependency_map[ $class ] ) ) { |
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self::$_dependency_map[ $class ] = (array)$dependencies; |
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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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* @param string $class_name |
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* @return array |
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*/ |
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public static function class_loader( $class_name ) { |
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return isset( self::$_class_loaders[ $class_name ] ) ? self::$_class_loaders[ $class_name ] : ''; |
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} |
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/** |
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* @param string $class_name |
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* @param string $loader |
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* @return bool |
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* @throws \EE_Error |
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*/ |
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public static function register_class_loader( $class_name, $loader = 'load_core' ) { |
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// check that loader method starts with "load_" and exists in EE_Registry |
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if ( strpos( $loader, 'load_' ) !== 0 || ! method_exists( EE_Registry::instance(), $loader ) ) { |
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throw new EE_Error( |
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sprintf( |
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__( '"%1$s" is not a valid loader method on EE_Registry.', 'event_espresso' ), |
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$loader |
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) |
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); |
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} |
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if ( ! isset( self::$_class_loaders[ $class_name ] ) ) { |
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self::$_class_loaders[ $class_name ] = $loader; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Registers the core dependencies |
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*/ |
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protected function _register_core_dependencies() { |
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self::$_dependency_map = array( |
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'EE_Session' => array( |
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'EE_Encryption' |
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), |
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'EE_Cart' => array( |
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null, |
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'EE_Session', |
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), |
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'EE_Front_Controller' => array( |
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'EE_Registry', |
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'EE_Request_Handler', |
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'EE_Module_Request_Router', |
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), |
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'EE_Messenger_Collection_Loader' => array( |
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'EE_Messenger_Collection', |
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), |
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'EE_Message_Type_Collection_Loader' => array( |
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'EE_Message_Type_Collection', |
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), |
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'EE_Message_Resource_Manager' => array( |
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'EE_Messenger_Collection_Loader', |
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'EE_Message_Type_Collection_Loader', |
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'EEM_Message_Template_Group', |
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), |
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'EE_Message_Factory' => array( |
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'EE_Message_Resource_Manager', |
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), |
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'EE_Messages' => array( |
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'EE_Message_Resource_Manager', |
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), |
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'EE_messages' => array( |
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'EE_Message_Resource_Manager', |
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) |
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); |
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} |
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/** |
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* Registers the core class loaders. |
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*/ |
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protected function _register_core_class_loaders() { |
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self::$_class_loaders = array( |
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//load_core |
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'EE_Encryption' => 'load_core', |
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'EE_Module_Request_Router' => 'load_core', |
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'EE_Registry' => 'load_core', |
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'EE_Request_Handler' => 'load_core', |
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'EE_Session' => 'load_core', |
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//load_lib |
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'EE_Message_Type_Collection' => 'load_lib', |
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'EE_Message_Resource_Manager' => 'load_lib', |
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'EE_Message_Type_Collection_Loader', 'load_lib', |
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'EE_Messenger_Collection' => 'load_lib', |
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'EE_Messenger_Collection_Loader' => 'load_lib', |
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'EEM_Message_Template_Group', 'load_lib' |
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); |
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} |
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/** |
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* This is used to reset the internal map and class_loaders to their original default state at the beginning of the request |
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* Primarily used by unit tests. |
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*/ |
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public function reset() { |
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self::_register_core_class_loaders(); |
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self::_register_core_dependencies(); |
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} |
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} |
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// End of file EE_Dependency_Map.core.php |
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// Location: /EE_Dependency_Map.core.php |
eventespresso /
event-espresso-core
