initial commit

packages/woocommerce-blocks/vendor/jetpack-autoloader/class-autoloader-handler.php

@@ -0,0 +1,147 @@
+<?php
+/**
+ * This file was automatically generated by automattic/jetpack-autoloader.
+ *
+ * @package automattic/jetpack-autoloader
+ */
+
+namespace Automattic\Jetpack\Autoloader\jpb78ca910fe07339d6189615f1734a3e3;
+
+ // phpcs:ignore
+
+use Automattic\Jetpack\Autoloader\AutoloadGenerator;
+
+/**
+ * This class selects the package version for the autoloader.
+ */
+class Autoloader_Handler {
+
+	/**
+	 * The PHP_Autoloader instance.
+	 *
+	 * @var PHP_Autoloader
+	 */
+	private $php_autoloader;
+
+	/**
+	 * The Hook_Manager instance.
+	 *
+	 * @var Hook_Manager
+	 */
+	private $hook_manager;
+
+	/**
+	 * The Manifest_Reader instance.
+	 *
+	 * @var Manifest_Reader
+	 */
+	private $manifest_reader;
+
+	/**
+	 * The Version_Selector instance.
+	 *
+	 * @var Version_Selector
+	 */
+	private $version_selector;
+
+	/**
+	 * The constructor.
+	 *
+	 * @param PHP_Autoloader   $php_autoloader The PHP_Autoloader instance.
+	 * @param Hook_Manager     $hook_manager The Hook_Manager instance.
+	 * @param Manifest_Reader  $manifest_reader The Manifest_Reader instance.
+	 * @param Version_Selector $version_selector The Version_Selector instance.
+	 */
+	public function __construct( $php_autoloader, $hook_manager, $manifest_reader, $version_selector ) {
+		$this->php_autoloader   = $php_autoloader;
+		$this->hook_manager     = $hook_manager;
+		$this->manifest_reader  = $manifest_reader;
+		$this->version_selector = $version_selector;
+	}
+
+	/**
+	 * Checks to see whether or not an autoloader is currently in the process of initializing.
+	 *
+	 * @return bool
+	 */
+	public function is_initializing() {
+		// If no version has been set it means that no autoloader has started initializing yet.
+		global $jetpack_autoloader_latest_version;
+		if ( ! isset( $jetpack_autoloader_latest_version ) ) {
+			return false;
+		}
+
+		// When the version is set but the classmap is not it ALWAYS means that this is the
+		// latest autoloader and is being included by an older one.
+		global $jetpack_packages_classmap;
+		if ( empty( $jetpack_packages_classmap ) ) {
+			return true;
+		}
+
+		// Version 2.4.0 added a new global and altered the reset semantics. We need to check
+		// the other global as well since it may also point at initialization.
+		// Note: We don't need to check for the class first because every autoloader that
+		// will set the latest version global requires this class in the classmap.
+		$replacing_version = $jetpack_packages_classmap[ AutoloadGenerator::class ]['version'];
+		if ( $this->version_selector->is_dev_version( $replacing_version ) || version_compare( $replacing_version, '2.4.0.0', '>=' ) ) {
+			global $jetpack_autoloader_loader;
+			if ( ! isset( $jetpack_autoloader_loader ) ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Activates an autoloader using the given plugins and activates it.
+	 *
+	 * @param string[] $plugins The plugins to initialize the autoloader for.
+	 */
+	public function activate_autoloader( $plugins ) {
+		global $jetpack_packages_psr4;
+		$jetpack_packages_psr4 = array();
+		$this->manifest_reader->read_manifests( $plugins, 'vendor/composer/jetpack_autoload_psr4.php', $jetpack_packages_psr4 );
+
+		global $jetpack_packages_classmap;
+		$jetpack_packages_classmap = array();
+		$this->manifest_reader->read_manifests( $plugins, 'vendor/composer/jetpack_autoload_classmap.php', $jetpack_packages_classmap );
+
+		global $jetpack_packages_filemap;
+		$jetpack_packages_filemap = array();
+		$this->manifest_reader->read_manifests( $plugins, 'vendor/composer/jetpack_autoload_filemap.php', $jetpack_packages_filemap );
+
+		$loader = new Version_Loader(
+			$this->version_selector,
+			$jetpack_packages_classmap,
+			$jetpack_packages_psr4,
+			$jetpack_packages_filemap
+		);
+
+		$this->php_autoloader->register_autoloader( $loader );
+
+		// Now that the autoloader is active we can load the filemap.
+		$loader->load_filemap();
+	}
+
+	/**
+	 * Resets the active autoloader and all related global state.
+	 */
+	public function reset_autoloader() {
+		$this->php_autoloader->unregister_autoloader();
+		$this->hook_manager->reset();
+
+		// Clear all of the autoloader globals so that older autoloaders don't do anything strange.
+		global $jetpack_autoloader_latest_version;
+		$jetpack_autoloader_latest_version = null;
+
+		global $jetpack_packages_classmap;
+		$jetpack_packages_classmap = array(); // Must be array to avoid exceptions in old autoloaders!
+
+		global $jetpack_packages_psr4;
+		$jetpack_packages_psr4 = array(); // Must be array to avoid exceptions in old autoloaders!
+
+		global $jetpack_packages_filemap;
+		$jetpack_packages_filemap = array(); // Must be array to avoid exceptions in old autoloaders!
+	}
+}