97 lines
3.7 KiB
PHP
97 lines
3.7 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Mapping\Loader;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\Constraints\Callback;
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use Symfony\Component\Validator\Constraints\GroupSequence;
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use Symfony\Component\Validator\Constraints\GroupSequenceProvider;
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use Symfony\Component\Validator\Exception\MappingException;
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use Symfony\Component\Validator\Mapping\ClassMetadata;
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/**
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* Loads validation metadata using PHP attributes.
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*
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* @author Bernhard Schussek <bschussek@gmail.com>
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* @author Alexander M. Turek <me@derrabus.de>
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* @author Alexandre Daubois <alex.daubois@gmail.com>
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*/
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class AttributeLoader implements LoaderInterface
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{
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public function loadClassMetadata(ClassMetadata $metadata): bool
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{
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$reflClass = $metadata->getReflectionClass();
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$className = $reflClass->name;
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$success = false;
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foreach ($this->getAttributes($reflClass) as $constraint) {
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if ($constraint instanceof GroupSequence) {
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$metadata->setGroupSequence($constraint->groups);
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} elseif ($constraint instanceof GroupSequenceProvider) {
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$metadata->setGroupProvider($constraint->provider);
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$metadata->setGroupSequenceProvider(true);
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} elseif ($constraint instanceof Constraint) {
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$metadata->addConstraint($constraint);
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}
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$success = true;
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}
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foreach ($reflClass->getProperties() as $property) {
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if ($property->getDeclaringClass()->name === $className) {
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foreach ($this->getAttributes($property) as $constraint) {
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if ($constraint instanceof Constraint) {
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$metadata->addPropertyConstraint($property->name, $constraint);
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}
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$success = true;
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}
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}
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}
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foreach ($reflClass->getMethods() as $method) {
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if ($method->getDeclaringClass()->name === $className) {
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foreach ($this->getAttributes($method) as $constraint) {
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if ($constraint instanceof Callback) {
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$constraint->callback = $method->getName();
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$metadata->addConstraint($constraint);
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} elseif ($constraint instanceof Constraint) {
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if (preg_match('/^(get|is|has)(.+)$/i', $method->name, $matches)) {
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$metadata->addGetterMethodConstraint(lcfirst($matches[2]), $matches[0], $constraint);
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} else {
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throw new MappingException(sprintf('The constraint on "%s::%s()" cannot be added. Constraints can only be added on methods beginning with "get", "is" or "has".', $className, $method->name));
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}
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}
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$success = true;
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}
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}
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}
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return $success;
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}
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private function getAttributes(\ReflectionMethod|\ReflectionClass|\ReflectionProperty $reflection): iterable
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{
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foreach ($reflection->getAttributes(GroupSequence::class) as $attribute) {
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yield $attribute->newInstance();
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}
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foreach ($reflection->getAttributes(GroupSequenceProvider::class) as $attribute) {
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yield $attribute->newInstance();
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}
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foreach ($reflection->getAttributes(Constraint::class, \ReflectionAttribute::IS_INSTANCEOF) as $attribute) {
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yield $attribute->newInstance();
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}
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}
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}
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