woocommerce/vendor/jetpack-autoloader/class-version-loader.php
2021-12-10 12:03:04 +00:00

165 lines
4.1 KiB
PHP

<?php
/**
* This file was automatically generated by automattic/jetpack-autoloader.
*
* @package automattic/jetpack-autoloader
*/
namespace Automattic\Jetpack\Autoloader\jp7fa27687a59114a5aec1ac3080434897;
// 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;
}
}