installed plugin Jetpack Protect version 1.0.2

wp-content/plugins/jetpack-protect/vendor/jetpack-autoloader/class-version-loader.php

@@ -0,0 +1,164 @@
+<?php
+/**
+ * This file was automatically generated by automattic/jetpack-autoloader.
+ *
+ * @package automattic/jetpack-autoloader
+ */
+
+namespace Automattic\Jetpack\Autoloader\jpc4802e05bbcf59fd3b6350e8d3e5482c_protectⓥ1_0_2;
+
+ // phpcs:ignore
+
+/**
+ * This class loads other classes based on given parameters.
+ */
+class Version_Loader {
+
+	/**
+	 * The Version_Selector object.
+	 *
+	 * @var Version_Selector
+	 */
+	private $version_selector;
+
+	/**
+	 * A map of available classes and their version and file path.
+	 *
+	 * @var array
+	 */
+	private $classmap;
+
+	/**
+	 * A map of PSR-4 namespaces and their version and directory path.
+	 *
+	 * @var array
+	 */
+	private $psr4_map;
+
+	/**
+	 * A map of all the files that we should load.
+	 *
+	 * @var array
+	 */
+	private $filemap;
+
+	/**
+	 * The constructor.
+	 *
+	 * @param Version_Selector $version_selector The Version_Selector object.
+	 * @param array            $classmap The verioned classmap to load using.
+	 * @param array            $psr4_map The versioned PSR-4 map to load using.
+	 * @param array            $filemap The versioned filemap to load.
+	 */
+	public function __construct( $version_selector, $classmap, $psr4_map, $filemap ) {
+		$this->version_selector = $version_selector;
+		$this->classmap         = $classmap;
+		$this->psr4_map         = $psr4_map;
+		$this->filemap          = $filemap;
+	}
+
+	/**
+	 * Finds the file path for the given class.
+	 *
+	 * @param string $class_name The class to find.
+	 *
+	 * @return string|null $file_path The path to the file if found, null if no class was found.
+	 */
+	public function find_class_file( $class_name ) {
+		$data = $this->select_newest_file(
+			isset( $this->classmap[ $class_name ] ) ? $this->classmap[ $class_name ] : null,
+			$this->find_psr4_file( $class_name )
+		);
+		if ( ! isset( $data ) ) {
+			return null;
+		}
+
+		return $data['path'];
+	}
+
+	/**
+	 * Load all of the files in the filemap.
+	 */
+	public function load_filemap() {
+		if ( empty( $this->filemap ) ) {
+			return;
+		}
+
+		foreach ( $this->filemap as $file_identifier => $file_data ) {
+			if ( empty( $GLOBALS['__composer_autoload_files'][ $file_identifier ] ) ) {
+				require_once $file_data['path'];
+
+				$GLOBALS['__composer_autoload_files'][ $file_identifier ] = true;
+			}
+		}
+	}
+
+	/**
+	 * Compares different class sources and returns the newest.
+	 *
+	 * @param array|null $classmap_data The classmap class data.
+	 * @param array|null $psr4_data The PSR-4 class data.
+	 *
+	 * @return array|null $data
+	 */
+	private function select_newest_file( $classmap_data, $psr4_data ) {
+		if ( ! isset( $classmap_data ) ) {
+			return $psr4_data;
+		} elseif ( ! isset( $psr4_data ) ) {
+			return $classmap_data;
+		}
+
+		if ( $this->version_selector->is_version_update_required( $classmap_data['version'], $psr4_data['version'] ) ) {
+			return $psr4_data;
+		}
+
+		return $classmap_data;
+	}
+
+	/**
+	 * Finds the file for a given class in a PSR-4 namespace.
+	 *
+	 * @param string $class_name The class to find.
+	 *
+	 * @return array|null $data The version and path path to the file if found, null otherwise.
+	 */
+	private function find_psr4_file( $class_name ) {
+		if ( ! isset( $this->psr4_map ) ) {
+			return null;
+		}
+
+		// Don't bother with classes that have no namespace.
+		$class_index = strrpos( $class_name, '\\' );
+		if ( ! $class_index ) {
+			return null;
+		}
+		$class_for_path = str_replace( '\\', '/', $class_name );
+
+		// Search for the namespace by iteratively cutting off the last segment until
+		// we find a match. This allows us to check the most-specific namespaces
+		// first as well as minimize the amount of time spent looking.
+		for (
+			$class_namespace = substr( $class_name, 0, $class_index );
+			! empty( $class_namespace );
+			$class_namespace = substr( $class_namespace, 0, strrpos( $class_namespace, '\\' ) )
+		) {
+			$namespace = $class_namespace . '\\';
+			if ( ! isset( $this->psr4_map[ $namespace ] ) ) {
+				continue;
+			}
+			$data = $this->psr4_map[ $namespace ];
+
+			foreach ( $data['path'] as $path ) {
+				$path .= '/' . substr( $class_for_path, strlen( $namespace ) ) . '.php';
+				if ( file_exists( $path ) ) {
+					return array(
+						'version' => $data['version'],
+						'path'    => $path,
+					);
+				}
+			}
+		}
+
+		return null;
+	}
+}