Viewing file:  LazyObjectState.php (2.81 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\VarExporter\Internal;
use Symfony\Component\VarExporter\Hydrator as PublicHydrator;
/**
* Keeps the state of lazy objects.
*
* As a micro-optimization, this class uses no type declarations.
*
* @internal
*/
class LazyObjectState
{
public const STATUS_UNINITIALIZED_FULL = 1;
public const STATUS_UNINITIALIZED_PARTIAL = 2;
public const STATUS_INITIALIZED_FULL = 3;
public const STATUS_INITIALIZED_PARTIAL = 4;
/**
* @var self::STATUS_*
*/
public int $status = self::STATUS_UNINITIALIZED_FULL;
public object $realInstance;
/**
* @param array<string, true> $skippedProperties
*/
public function __construct(
public readonly \Closure $initializer,
public readonly array $skippedProperties = [],
) {
}
public function initialize($instance, $propertyName, $propertyScope)
{
if (self::STATUS_UNINITIALIZED_FULL !== $this->status) {
return $this->status;
}
$this->status = self::STATUS_INITIALIZED_PARTIAL;
try {
if ($defaultProperties = array_diff_key(LazyObjectRegistry::$defaultProperties[$instance::class], $this->skippedProperties)) {
PublicHydrator::hydrate($instance, $defaultProperties);
}
($this->initializer)($instance);
} catch (\Throwable $e) {
$this->status = self::STATUS_UNINITIALIZED_FULL;
$this->reset($instance);
throw $e;
}
return $this->status = self::STATUS_INITIALIZED_FULL;
}
public function reset($instance): void
{
$class = $instance::class;
$propertyScopes = Hydrator::$propertyScopes[$class] ??= Hydrator::getPropertyScopes($class);
$skippedProperties = $this->skippedProperties;
$properties = (array) $instance;
foreach ($propertyScopes as $key => [$scope, $name, $readonlyScope]) {
$propertyScopes[$k = "\0$scope\0$name"] ?? $propertyScopes[$k = "\0*\0$name"] ?? $k = $name;
if ($k === $key && (null !== $readonlyScope || !\array_key_exists($k, $properties))) {
$skippedProperties[$k] = true;
}
}
foreach (LazyObjectRegistry::$classResetters[$class] as $reset) {
$reset($instance, $skippedProperties);
}
foreach ((array) $instance as $name => $value) {
if ("\0" !== ($name[0] ?? '') && !\array_key_exists($name, $skippedProperties)) {
unset($instance->$name);
}
}
$this->status = self::STATUS_UNINITIALIZED_FULL;
}
}
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