Symfony Profiler

<?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\Validator\Mapping\Loader;
use Symfony\Component\PropertyInfo\PropertyAccessExtractorInterface;
use Symfony\Component\PropertyInfo\PropertyListExtractorInterface;
use Symfony\Component\PropertyInfo\PropertyTypeExtractorInterface;
use Symfony\Component\PropertyInfo\Type as PropertyInfoType;
use Symfony\Component\Validator\Constraints\All;
use Symfony\Component\Validator\Constraints\NotBlank;
use Symfony\Component\Validator\Constraints\NotNull;
use Symfony\Component\Validator\Constraints\Type;
use Symfony\Component\Validator\Mapping\AutoMappingStrategy;
use Symfony\Component\Validator\Mapping\ClassMetadata;
/**
* Guesses and loads the appropriate constraints using PropertyInfo.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
final class PropertyInfoLoader implements LoaderInterface
{
use AutoMappingTrait;
private $listExtractor;
private $typeExtractor;
private $accessExtractor;
private $classValidatorRegexp;
public function __construct(PropertyListExtractorInterface $listExtractor, PropertyTypeExtractorInterface $typeExtractor, PropertyAccessExtractorInterface $accessExtractor, string $classValidatorRegexp = null)
{
$this->listExtractor = $listExtractor;
$this->typeExtractor = $typeExtractor;
$this->accessExtractor = $accessExtractor;
$this->classValidatorRegexp = $classValidatorRegexp;
}
/**
* {@inheritdoc}
*/
public function loadClassMetadata(ClassMetadata $metadata): bool
{
$className = $metadata->getClassName();
if (!$properties = $this->listExtractor->getProperties($className)) {
return false;
}
$loaded = false;
$enabledForClass = $this->isAutoMappingEnabledForClass($metadata, $this->classValidatorRegexp);
foreach ($properties as $property) {
if (false === $this->accessExtractor->isWritable($className, $property)) {
continue;
}
if (!property_exists($className, $property)) {
continue;
}
$types = $this->typeExtractor->getTypes($className, $property);
if (null === $types) {
continue;
}
$enabledForProperty = $enabledForClass;
$hasTypeConstraint = false;
$hasNotNullConstraint = false;
$hasNotBlankConstraint = false;
$allConstraint = null;
foreach ($metadata->getPropertyMetadata($property) as $propertyMetadata) {
// Enabling or disabling auto-mapping explicitly always takes precedence
if (AutoMappingStrategy::DISABLED === $propertyMetadata->getAutoMappingStrategy()) {
continue 2;
}
if (AutoMappingStrategy::ENABLED === $propertyMetadata->getAutoMappingStrategy()) {
$enabledForProperty = true;
}
foreach ($propertyMetadata->getConstraints() as $constraint) {
if ($constraint instanceof Type) {
$hasTypeConstraint = true;
} elseif ($constraint instanceof NotNull) {
$hasNotNullConstraint = true;
} elseif ($constraint instanceof NotBlank) {
$hasNotBlankConstraint = true;
} elseif ($constraint instanceof All) {
$allConstraint = $constraint;
}
}
}
if (!$enabledForProperty) {
continue;
}
$loaded = true;
$builtinTypes = [];
$nullable = false;
$scalar = true;
foreach ($types as $type) {
$builtinTypes[] = $type->getBuiltinType();
if ($scalar && !\in_array($type->getBuiltinType(), [PropertyInfoType::BUILTIN_TYPE_INT, PropertyInfoType::BUILTIN_TYPE_FLOAT, PropertyInfoType::BUILTIN_TYPE_STRING, PropertyInfoType::BUILTIN_TYPE_BOOL], true)) {
$scalar = false;
}
if (!$nullable && $type->isNullable()) {
$nullable = true;
}
}
if (!$hasTypeConstraint) {
if (1 === \count($builtinTypes)) {
if ($types[0]->isCollection() && \count($collectionValueType = $types[0]->getCollectionValueTypes()) > 0) {
[$collectionValueType] = $collectionValueType;
$this->handleAllConstraint($property, $allConstraint, $collectionValueType, $metadata);
}
$metadata->addPropertyConstraint($property, $this->getTypeConstraint($builtinTypes[0], $types[0]));
} elseif ($scalar) {
$metadata->addPropertyConstraint($property, new Type(['type' => 'scalar']));
}
}
if (!$nullable && !$hasNotBlankConstraint && !$hasNotNullConstraint) {
$metadata->addPropertyConstraint($property, new NotNull());
}
}
return $loaded;
}
private function getTypeConstraint(string $builtinType, PropertyInfoType $type): Type
{
if (PropertyInfoType::BUILTIN_TYPE_OBJECT === $builtinType && null !== $className = $type->getClassName()) {
return new Type(['type' => $className]);
}
return new Type(['type' => $builtinType]);
}
private function handleAllConstraint(string $property, ?All $allConstraint, PropertyInfoType $propertyInfoType, ClassMetadata $metadata)
{
$containsTypeConstraint = false;
$containsNotNullConstraint = false;
if (null !== $allConstraint) {
foreach ($allConstraint->constraints as $constraint) {
if ($constraint instanceof Type) {
$containsTypeConstraint = true;
} elseif ($constraint instanceof NotNull) {
$containsNotNullConstraint = true;
}
}
}
$constraints = [];
if (!$containsNotNullConstraint && !$propertyInfoType->isNullable()) {
$constraints[] = new NotNull();
}
if (!$containsTypeConstraint) {
$constraints[] = $this->getTypeConstraint($propertyInfoType->getBuiltinType(), $propertyInfoType);
}
if (null === $allConstraint) {
$metadata->addPropertyConstraint($property, new All(['constraints' => $constraints]));
} else {
$allConstraint->constraints = array_merge($allConstraint->constraints, $constraints);
}
}
}

vendor/symfony/validator/Mapping/Loader/PropertyInfoLoader.php line 39