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<?php
namespace Doctrine\Common\Annotations;
use function array_key_exists;
use function array_merge;
use function class_exists;
use function in_array;
use function is_file;
use function str_replace;
use function stream_resolve_include_path;
use function strpos;
use const DIRECTORY_SEPARATOR;
final class AnnotationRegistry
{
/**
* A map of namespaces to use for autoloading purposes based on a PSR-0 convention.
*
* Contains the namespace as key and an array of directories as value. If the value is NULL
* the include path is used for checking for the corresponding file.
*
* This autoloading mechanism does not utilize the PHP autoloading but implements autoloading on its own.
*
* @var string[][]|string[]|null[]
*/
private static $autoloadNamespaces = [];
/**
* A map of autoloader callables.
*
* @var callable[]
*/
private static $loaders = [];
/**
* An array of classes which cannot be found
*
* @var null[] indexed by class name
*/
private static $failedToAutoload = [];
/**
* Whenever registerFile() was used. Disables use of standard autoloader.
*
* @var bool
*/
private static $registerFileUsed = false;
public static function reset(): void
{
self::$autoloadNamespaces = [];
self::$loaders = [];
self::$failedToAutoload = [];
self::$registerFileUsed = false;
}
/**
* Registers file.
*
* @deprecated This method is deprecated and will be removed in
* doctrine/annotations 2.0. Annotations will be autoloaded in 2.0.
*/
public static function registerFile(string $file): void
{
self::$registerFileUsed = true;
require_once $file;
}
/**
* Adds a namespace with one or many directories to look for files or null for the include path.
*
* Loading of this namespaces will be done with a PSR-0 namespace loading algorithm.
*
* @deprecated This method is deprecated and will be removed in
* doctrine/annotations 2.0. Annotations will be autoloaded in 2.0.
*
* @phpstan-param string|list<string>|null $dirs
*/
public static function registerAutoloadNamespace(string $namespace, $dirs = null): void
{
self::$autoloadNamespaces[$namespace] = $dirs;
}
/**
* Registers multiple namespaces.
*
* Loading of this namespaces will be done with a PSR-0 namespace loading algorithm.
*
* @deprecated This method is deprecated and will be removed in
* doctrine/annotations 2.0. Annotations will be autoloaded in 2.0.
*
* @param string[][]|string[]|null[] $namespaces indexed by namespace name
*/
public static function registerAutoloadNamespaces(array $namespaces): void
{
self::$autoloadNamespaces = array_merge(self::$autoloadNamespaces, $namespaces);
}
/**
* Registers an autoloading callable for annotations, much like spl_autoload_register().
*
* NOTE: These class loaders HAVE to be silent when a class was not found!
* IMPORTANT: Loaders have to return true if they loaded a class that could contain the searched annotation class.
*
* @deprecated This method is deprecated and will be removed in
* doctrine/annotations 2.0. Annotations will be autoloaded in 2.0.
*/
public static function registerLoader(callable $callable): void
{
// Reset our static cache now that we have a new loader to work with
self::$failedToAutoload = [];
self::$loaders[] = $callable;
}
/**
* Registers an autoloading callable for annotations, if it is not already registered
*
* @deprecated This method is deprecated and will be removed in
* doctrine/annotations 2.0. Annotations will be autoloaded in 2.0.
*/
public static function registerUniqueLoader(callable $callable): void
{
if (in_array($callable, self::$loaders, true)) {
return;
}
self::registerLoader($callable);
}
/**
* Autoloads an annotation class silently.
*/
public static function loadAnnotationClass(string $class): bool
{
if (class_exists($class, false)) {
return true;
}
if (array_key_exists($class, self::$failedToAutoload)) {
return false;
}
foreach (self::$autoloadNamespaces as $namespace => $dirs) {
if (strpos($class, $namespace) !== 0) {
continue;
}
$file = str_replace('\\', DIRECTORY_SEPARATOR, $class) . '.php';
if ($dirs === null) {
$path = stream_resolve_include_path($file);
if ($path) {
require $path;
return true;
}
} else {
foreach ((array) $dirs as $dir) {
if (is_file($dir . DIRECTORY_SEPARATOR . $file)) {
require $dir . DIRECTORY_SEPARATOR . $file;
return true;
}
}
}
}
foreach (self::$loaders as $loader) {
if ($loader($class) === true) {
return true;
}
}
if (
self::$loaders === [] &&
self::$autoloadNamespaces === [] &&
self::$registerFileUsed === false &&
class_exists($class)
) {
return true;
}
self::$failedToAutoload[$class] = null;
return false;
}
}
|
