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<?php |
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/* HEADER */ // phpcs:ignore |
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/** |
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* This class manages the files and dependencies of the autoloader. |
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*/ |
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class Container { |
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/** |
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* Since each autoloader's class files exist within their own namespace we need a map to |
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* convert between the local class and a shared key. Note that no version checking is |
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* performed on these dependencies and the first autoloader to register will be the |
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* one that is utilized. |
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*/ |
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const SHARED_DEPENDENCY_KEYS = array( |
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Hook_Manager::class => 'Hook_Manager', |
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); |
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/** |
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* A map of all the dependencies we've registered with the container and created. |
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* |
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* @var array |
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*/ |
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protected $dependencies; |
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/** |
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* The constructor. |
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*/ |
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public function __construct() { |
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$this->dependencies = array(); |
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$this->register_shared_dependencies(); |
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$this->register_dependencies(); |
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$this->initialize_globals(); |
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} |
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/** |
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* Gets a dependency out of the container. |
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* |
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* @param string $class The class to fetch. |
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* |
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* @return mixed |
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* @throws \InvalidArgumentException When a class that isn't registered with the container is fetched. |
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*/ |
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public function get( $class ) { |
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if ( ! isset( $this->dependencies[ $class ] ) ) { |
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throw new \InvalidArgumentException( "Class '$class' is not registered with the container." ); |
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} |
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return $this->dependencies[ $class ]; |
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} |
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/** |
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* Registers all of the dependencies that are shared between all instances of the autoloader. |
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*/ |
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private function register_shared_dependencies() { |
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global $jetpack_autoloader_container_shared; |
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if ( ! isset( $jetpack_autoloader_container_shared ) ) { |
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$jetpack_autoloader_container_shared = array(); |
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} |
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$key = self::SHARED_DEPENDENCY_KEYS[ Hook_Manager::class ]; |
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if ( ! isset( $jetpack_autoloader_container_shared[ $key ] ) ) { |
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require_once __DIR__ . '/class-hook-manager.php'; |
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$jetpack_autoloader_container_shared[ $key ] = new Hook_Manager(); |
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} |
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$this->dependencies[ Hook_Manager::class ] = &$jetpack_autoloader_container_shared[ $key ]; |
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} |
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/** |
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* Registers all of the dependencies with the container. |
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*/ |
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private function register_dependencies() { |
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require_once __DIR__ . '/class-path-processor.php'; |
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$this->dependencies[ Path_Processor::class ] = new Path_Processor(); |
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require_once __DIR__ . '/class-plugin-locator.php'; |
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$this->dependencies[ Plugin_Locator::class ] = new Plugin_Locator( |
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$this->get( Path_Processor::class ) |
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); |
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require_once __DIR__ . '/class-version-selector.php'; |
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$this->dependencies[ Version_Selector::class ] = new Version_Selector(); |
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require_once __DIR__ . '/class-autoloader-locator.php'; |
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$this->dependencies[ Autoloader_Locator::class ] = new Autoloader_Locator( |
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$this->get( Version_Selector::class ) |
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); |
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require_once __DIR__ . '/class-manifest-reader.php'; |
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$this->dependencies[ Manifest_Reader::class ] = new Manifest_Reader( |
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$this->get( Version_Selector::class ) |
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); |
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require_once __DIR__ . '/class-plugins-handler.php'; |
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$this->dependencies[ Plugins_Handler::class ] = new Plugins_Handler( |
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$this->get( Plugin_Locator::class ), |
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$this->get( Path_Processor::class ) |
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); |
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require_once __DIR__ . '/class-autoloader-handler.php'; |
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$this->dependencies[ Autoloader_Handler::class ] = new Autoloader_Handler( |
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$this->get( Hook_Manager::class ), |
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$this->get( Manifest_Reader::class ), |
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$this->get( Version_Selector::class ) |
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); |
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require_once __DIR__ . '/class-latest-autoloader-guard.php'; |
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$this->dependencies[ Latest_Autoloader_Guard::class ] = new Latest_Autoloader_Guard( |
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$this->get( Plugins_Handler::class ), |
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$this->get( Autoloader_Handler::class ), |
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$this->get( Autoloader_Locator::class ) |
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); |
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// Register any classes that we will use elsewhere. |
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require_once __DIR__ . '/class-version-loader.php'; |
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} |
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/** |
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* Initializes any of the globals needed by the autoloader. |
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*/ |
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private function initialize_globals() { |
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// Not all plugins can be found using the locator. In cases where a plugin loads the autoloader |
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// but was not discoverable, we will record them in this array to track them as "active". |
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global $jetpack_autoloader_activating_plugins_paths; |
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if ( ! isset( $jetpack_autoloader_activating_plugins_paths ) ) { |
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$jetpack_autoloader_activating_plugins_paths = array(); |
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} |
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// Since older autoloaders include newer ones, we need to be able to tell the difference between an |
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// inclusion via autoloader and an inclusion via plugin file. This allows the autoloader to |
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// perform special tasks for each kind of inclusion. |
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global $jetpack_autoloader_including_latest; |
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if ( ! isset( $jetpack_autoloader_including_latest ) ) { |
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// If the latest version global has been set but the including latest hasn't, it means that an |
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// older autoloader without support for the global is including us. |
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global $jetpack_autoloader_latest_version; |
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$jetpack_autoloader_including_latest = isset( $jetpack_autoloader_latest_version ); |
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} |
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} |
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} |
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Automattic /
jetpack
