<?php
namespace Elementor;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Elementor autoloader.
*
* Elementor autoloader handler class is responsible for loading the different
* classes needed to run the plugin.
*
* @since 1.6.0
*/
class Autoloader {
/**
* Classes map.
*
* Maps Elementor classes to file names.
*
* @since 1.6.0
* @access private
* @static
*
* @var array Classes used by elementor.
*/
private static $classes_map;
/**
* Classes aliases.
*
* Maps Elementor classes to aliases.
*
* @since 1.6.0
* @access private
* @static
*
* @var array Classes aliases.
*/
private static $classes_aliases;
/**
* Default path for autoloader.
*
* @var string
*/
private static $default_path;
/**
* Default namespace for autoloader.
*
* @var string
*/
private static $default_namespace;
/**
* Run autoloader.
*
* Register a function as `__autoload()` implementation.
*
* @param string $default_path
* @param string $default_namespace
*
* @since 1.6.0
* @access public
* @static
*/
public static function run( $default_path = '', $default_namespace = '' ) {
if ( '' === $default_path ) {
$default_path = ELEMENTOR_PATH;
}
if ( '' === $default_namespace ) {
$default_namespace = __NAMESPACE__;
}
self::$default_path = $default_path;
self::$default_namespace = $default_namespace;
spl_autoload_register( [ __CLASS__, 'autoload' ] );
}
/**
* Get classes aliases.
*
* Retrieve the classes aliases names.
*
* @since 1.6.0
* @access public
* @static
*
* @return array Classes aliases.
*/
public static function get_classes_aliases() {
if ( ! self::$classes_aliases ) {
self::init_classes_aliases();
}
return self::$classes_aliases;
}
public static function get_classes_map() {
if ( ! self::$classes_map ) {
self::init_classes_map();
}
return self::$classes_map;
}
private static function init_classes_map() {
self::$classes_map = [
'Api' => 'includes/api.php',
'Base_Control' => 'includes/controls/base.php',
'Base_Data_Control' => 'includes/controls/base-data.php',
'Base_UI_Control' => 'includes/controls/base-ui.php',
'Beta_Testers' => 'includes/beta-testers.php',
'Compatibility' => 'includes/compatibility.php',
'Conditions' => 'includes/conditions.php',
'Controls_Manager' => 'includes/managers/controls.php',
'Controls_Stack' => 'includes/base/controls-stack.php',
'Sub_Controls_Stack' => 'includes/base/sub-controls-stack.php',
'DB' => 'includes/db.php',
'Elements_Manager' => 'includes/managers/elements.php',
'Embed' => 'includes/embed.php',
'Fonts' => 'includes/fonts.php',
'Frontend' => 'includes/frontend.php',
'Group_Control_Base' => 'includes/controls/groups/base.php',
'Group_Control_Interface' => 'includes/interfaces/group-control.php',
'Has_Validation' => 'includes/interfaces/has-validation.php',
'Heartbeat' => 'includes/heartbeat.php',
'Images_Manager' => 'includes/managers/image.php',
'Maintenance' => 'includes/maintenance.php',
'Maintenance_Mode' => 'includes/maintenance-mode.php',
'Preview' => 'includes/preview.php',
'Rollback' => 'includes/rollback.php',
'Settings' => 'includes/settings/settings.php',
'Settings_Controls' => 'includes/settings/controls.php',
'Settings_Validations' => 'includes/settings/validations.php',
'Settings_Page' => 'includes/settings/settings-page.php',
'Shapes' => 'includes/shapes.php',
'Skins_Manager' => 'includes/managers/skins.php',
'Icons_Manager' => 'includes/managers/icons.php',
'Stylesheet' => 'includes/stylesheet.php',
'System_Info\Main' => 'includes/settings/system-info/main.php',
'TemplateLibrary\Classes\Import_Images' => 'includes/template-library/classes/class-import-images.php',
'TemplateLibrary\Forms\New_Template_Form' => 'includes/template-library/forms/new-template-form.php',
'TemplateLibrary\Manager' => 'includes/template-library/manager.php',
'TemplateLibrary\Source_Base' => 'includes/template-library/sources/base.php',
'TemplateLibrary\Source_Local' => 'includes/template-library/sources/local.php',
'TemplateLibrary\Source_Remote' => 'includes/template-library/sources/remote.php',
'Tools' => 'includes/settings/tools.php',
'Container\Container' => 'includes/container/container.php',
'Tracker' => 'includes/tracker.php',
'User' => 'includes/user.php',
'Utils' => 'includes/utils.php',
'Widget_WordPress' => 'includes/widgets/wordpress.php',
'Widgets_Manager' => 'includes/managers/widgets.php',
'WordPress_Widgets_Manager' => 'includes/managers/wordpress-widgets.php',
];
$controls_names = Controls_Manager::get_controls_names();
$controls_names = array_merge( $controls_names, [
'base_multiple',
'base_units',
] );
foreach ( $controls_names as $control_name ) {
$class_name = 'Control_' . self::normalize_class_name( $control_name, '_' );
self::$classes_map[ $class_name ] = 'includes/controls/' . str_replace( '_', '-', $control_name ) . '.php';
}
$controls_groups_names = Controls_Manager::get_groups_names();
foreach ( $controls_groups_names as $group_name ) {
$class_name = 'Group_Control_' . self::normalize_class_name( $group_name, '_' );
self::$classes_map[ $class_name ] = 'includes/controls/groups/' . $group_name . '.php';
}
}
/**
* Normalize Class Name
*
* Used to convert control names to class names.
*
* @param $string
* @param string $delimiter
*
* @return mixed
*/
private static function normalize_class_name( $string, $delimiter = ' ' ) {
return ucwords( str_replace( '-', '_', $string ), $delimiter );
}
/**
* Init classes aliases.
*
* When Elementor classes renamed or moved to different folders, developers
* can still use the old names by setting an alias.
*
* While in deprecation period both classes will work. When the deprecation
* period ends, the alies should be removed from the list of aliases.
*
* Usage:
*
* self::$classes_aliases = [
* 'Namespace\OldClassName' => [
* 'replacement' => 'Namespace\NewClassName',
* 'version' => '3.0.0',
* ],
* 'Namespace\OldModule\ClassName' => [
* 'replacement' => 'Namespace\NewModule\ClassName',
* 'version' => '3.5.0',
* ],
* ];
*
* @access private
* @static
*
* @return void
*/
private static function init_classes_aliases() {
self::$classes_aliases = [
'System_Info\Main' => [
'replacement' => 'Modules\System_Info\Module',
'version' => '2.9.0',
],
'System_Info\Classes\Abstracts\Base_Reporter' => [
'replacement' => 'Modules\System_Info\Reporters\Base',
'version' => '2.9.0',
],
'System_Info\Classes\Server_Reporter' => [
'replacement' => 'Modules\System_Info\Reporters\Server',
'version' => '2.9.0',
],
'System_Info\Classes\MU_Plugins_Reporter' => [
'replacement' => 'Modules\System_Info\Reporters\MU_Plugins',
'version' => '2.9.0',
],
'System_Info\Classes\Network_Plugins_Reporter' => [
'replacement' => 'Modules\System_Info\Reporters\Network_Plugins',
'version' => '2.9.0',
],
'System_Info\Classes\Plugins_Reporter' => [
'replacement' => 'Modules\System_Info\Reporters\Plugins',
'version' => '2.9.0',
],
'System_Info\Classes\Theme_Reporter' => [
'replacement' => 'Modules\System_Info\Reporters\Theme',
'version' => '2.9.0',
],
'System_Info\Classes\User_Reporter' => [
'replacement' => 'Modules\System_Info\Reporters\User',
'version' => '2.9.0',
],
'System_Info\Helpers\Model_Helper' => [
'replacement' => 'Modules\System_Info\Helpers\Model_Helper',
'version' => '2.9.0',
],
];
}
/**
* Load class.
*
* For a given class name, require the class file.
*
* @since 1.6.0
* @access private
* @static
*
* @param string $relative_class_name Class name.
*/
private static function load_class( $relative_class_name ) {
$classes_map = self::get_classes_map();
if ( isset( $classes_map[ $relative_class_name ] ) ) {
$filename = self::$default_path . '/' . $classes_map[ $relative_class_name ];
} else {
$filename = strtolower(
preg_replace(
[ '/([a-z])([A-Z])/', '/_/', '/\\\/' ],
[ '$1-$2', '-', DIRECTORY_SEPARATOR ],
$relative_class_name
)
);
$filename = self::$default_path . $filename . '.php';
}
if ( is_readable( $filename ) ) {
require $filename;
}
}
/**
* Autoload.
*
* For a given class, check if it exist and load it.
*
* @since 1.6.0
* @access private
* @static
*
* @param string $class Class name.
*/
private static function autoload( $class ) {
if ( 0 !== strpos( $class, self::$default_namespace . '\\' ) ) {
return;
}
$relative_class_name = preg_replace( '/^' . self::$default_namespace . '\\\/', '', $class );
$classes_aliases = self::get_classes_aliases();
$has_class_alias = isset( $classes_aliases[ $relative_class_name ] );
// Backward Compatibility: Save old class name for set an alias after the new class is loaded
if ( $has_class_alias ) {
$alias_data = $classes_aliases[ $relative_class_name ];
$relative_class_name = $alias_data['replacement'];
}
$final_class_name = self::$default_namespace . '\\' . $relative_class_name;
if ( ! class_exists( $final_class_name ) ) {
self::load_class( $relative_class_name );
}
if ( $has_class_alias ) {
class_alias( $final_class_name, $class );
Utils::handle_deprecation( $class, $alias_data['version'], $final_class_name );
}
}
}