Viewing file:  class-autoloader-handler.php (4.36 KB) -rw-r--r--
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<?php
/**
* This file was automatically generated by automattic/jetpack-autoloader.
*
* @package automattic/jetpack-autoloader
*/
namespace Automattic\Jetpack\Autoloader\jp5e9090adb7e03a3eeba3759a946171f6;
// phpcs:ignore
/**
* This class selects the package version for the autoloader.
*/
class Autoloader_Handler {
// The name of the autoloader function registered by v1.* autoloaders.
const V1_AUTOLOADER_NAME = 'Automattic\Jetpack\Autoloader\autoloader';
/*
* The autoloader function for v2.* autoloaders is named __NAMESPACE__ . \autoloader.
* The namespace is defined in AutoloadGenerator as
* 'Automattic\Jetpack\Autoloader\jp' plus a unique suffix.
*/
const V2_AUTOLOADER_BASE = 'Automattic\Jetpack\Autoloader\jp';
const AUTOLOAD_GENERATOR_CLASS_NAME = 'Automattic\Jetpack\Autoloader\AutoloadGenerator';
/**
* The Plugins_Handler object.
*
* @var Plugins_Handler
*/
private $plugins_handler = null;
/**
* The Version_Selector object.
*
* @var Version_Selector
*/
private $version_selector = null;
/**
* The constructor.
*
* @param Plugins_Handler $plugins_handler The Plugins_Handler object.
* @param Version_Selector $version_selector The Version_Selector object.
*/
public function __construct( $plugins_handler, $version_selector ) {
$this->plugins_handler = $plugins_handler;
$this->version_selector = $version_selector;
}
/**
* Finds the latest installed autoloader.
*/
public function find_latest_autoloader() {
global $jetpack_autoloader_latest_version;
$current_autoloader_path = trailingslashit( dirname( __FILE__ ) ) . 'autoload_packages.php';
$current_autoloader_path = str_replace( '\\', '/', $current_autoloader_path );
$selected_autoloader_version = null;
$selected_autoloader_path = null;
$active_plugins_paths = $this->plugins_handler->get_all_active_plugins_paths();
foreach ( $active_plugins_paths as $plugin_path ) {
$classmap_path = trailingslashit( $plugin_path ) . 'vendor/composer/jetpack_autoload_classmap.php';
if ( file_exists( $classmap_path ) ) {
$packages = require $classmap_path;
$compare_version = $packages[ self::AUTOLOAD_GENERATOR_CLASS_NAME ]['version'];
$compare_path = trailingslashit( $plugin_path ) . 'vendor/autoload_packages.php';
if ( $this->version_selector->is_version_update_required( $selected_autoloader_version, $compare_version ) ) {
$selected_autoloader_version = $compare_version;
$selected_autoloader_path = $compare_path;
}
}
}
$jetpack_autoloader_latest_version = $selected_autoloader_version;
// $current_autoloader_path is already loaded
if ( $current_autoloader_path !== $selected_autoloader_path ) {
require $selected_autoloader_path;
}
}
/**
* Get this autoloader's package version.
*
* @return String The autoloader's package version.
*/
public function get_current_autoloader_version() {
$classmap_file = trailingslashit( dirname( __FILE__ ) ) . 'composer/jetpack_autoload_classmap.php';
$autoloader_packages = require $classmap_file;
return $autoloader_packages[ self::AUTOLOAD_GENERATOR_CLASS_NAME ]['version'];
}
/**
* Updates the spl autoloader chain:
* - Registers this namespace's autoloader function.
* - If a v1 autoloader function is registered, moves it to the end of the chain.
* - Removes any other v2 autoloader functions that have already been registered. This
* can occur when the autoloader is being reset by an activating plugin.
*/
public function update_autoloader_chain() {
spl_autoload_register( __NAMESPACE__ . '\autoloader' );
$autoload_chain = spl_autoload_functions();
foreach ( $autoload_chain as $autoloader ) {
if ( ! is_string( $autoloader ) ) {
/*
* The Jetpack Autoloader functions are registered as strings, so
* just continue if $autoloader isn't a string.
*/
continue;
}
if ( self::V1_AUTOLOADER_NAME === $autoloader ) {
// Move the v1.* autoloader function to the end of the spl autoloader chain.
spl_autoload_unregister( $autoloader );
spl_autoload_register( $autoloader );
} elseif (
self::V2_AUTOLOADER_BASE === substr( $autoloader, 0, strlen( self::V2_AUTOLOADER_BASE ) )
&& __NAMESPACE__ !== substr( $autoloader, 0, strlen( __NAMESPACE__ ) )
) {
// Unregister any other v2.* autoloader functions if they're in the chain.
spl_autoload_unregister( $autoloader );
}
}
}
}
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