vendor/symfony/dependency-injection/Loader/XmlFileLoader.php line 189
<?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\DependencyInjection\Loader;use Symfony\Component\Config\Util\XmlUtils;use Symfony\Component\DependencyInjection\Alias;use Symfony\Component\DependencyInjection\Argument\AbstractArgument;use Symfony\Component\DependencyInjection\Argument\BoundArgument;use Symfony\Component\DependencyInjection\Argument\IteratorArgument;use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;use Symfony\Component\DependencyInjection\Argument\ServiceLocatorArgument;use Symfony\Component\DependencyInjection\Argument\TaggedIteratorArgument;use Symfony\Component\DependencyInjection\ChildDefinition;use Symfony\Component\DependencyInjection\ContainerBuilder;use Symfony\Component\DependencyInjection\ContainerInterface;use Symfony\Component\DependencyInjection\Definition;use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;use Symfony\Component\DependencyInjection\Exception\RuntimeException;use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;use Symfony\Component\DependencyInjection\Reference;use Symfony\Component\ExpressionLanguage\Expression;/*** XmlFileLoader loads XML files service definitions.** @author Fabien Potencier <fabien@symfony.com>*/class XmlFileLoader extends FileLoader{public const NS = 'http://symfony.com/schema/dic/services';protected $autoRegisterAliasesForSinglyImplementedInterfaces = false;public function load(mixed $resource, string $type = null): mixed{$path = $this->locator->locate($resource);$xml = $this->parseFileToDOM($path);$this->container->fileExists($path);$this->loadXml($xml, $path);if ($this->env) {$xpath = new \DOMXPath($xml);$xpath->registerNamespace('container', self::NS);foreach ($xpath->query(sprintf('//container:when[@env="%s"]', $this->env)) ?: [] as $root) {$env = $this->env;$this->env = null;try {$this->loadXml($xml, $path, $root);} finally {$this->env = $env;}}}return null;}private function loadXml(\DOMDocument $xml, string $path, \DOMNode $root = null): void{$defaults = $this->getServiceDefaults($xml, $path, $root);// anonymous services$this->processAnonymousServices($xml, $path, $root);// imports$this->parseImports($xml, $path, $root);// parameters$this->parseParameters($xml, $path, $root);// extensions$this->loadFromExtensions($xml, $root);// servicestry {$this->parseDefinitions($xml, $path, $defaults, $root);} finally {$this->instanceof = [];$this->registerAliasesForSinglyImplementedInterfaces();}}public function supports(mixed $resource, string $type = null): bool{if (!\is_string($resource)) {return false;}if (null === $type && 'xml' === pathinfo($resource, \PATHINFO_EXTENSION)) {return true;}return 'xml' === $type;}private function parseParameters(\DOMDocument $xml, string $file, \DOMNode $root = null){if ($parameters = $this->getChildren($root ?? $xml->documentElement, 'parameters')) {$this->container->getParameterBag()->add($this->getArgumentsAsPhp($parameters[0], 'parameter', $file));}}private function parseImports(\DOMDocument $xml, string $file, \DOMNode $root = null){$xpath = new \DOMXPath($xml);$xpath->registerNamespace('container', self::NS);if (false === $imports = $xpath->query('.//container:imports/container:import', $root)) {return;}$defaultDirectory = \dirname($file);foreach ($imports as $import) {$this->setCurrentDir($defaultDirectory);$this->import($import->getAttribute('resource'), XmlUtils::phpize($import->getAttribute('type')) ?: null, XmlUtils::phpize($import->getAttribute('ignore-errors')) ?: false, $file);}}private function parseDefinitions(\DOMDocument $xml, string $file, Definition $defaults, \DOMNode $root = null){$xpath = new \DOMXPath($xml);$xpath->registerNamespace('container', self::NS);if (false === $services = $xpath->query('.//container:services/container:service|.//container:services/container:prototype|.//container:services/container:stack', $root)) {return;}$this->setCurrentDir(\dirname($file));$this->instanceof = [];$this->isLoadingInstanceof = true;$instanceof = $xpath->query('.//container:services/container:instanceof', $root);foreach ($instanceof as $service) {$this->setDefinition((string) $service->getAttribute('id'), $this->parseDefinition($service, $file, new Definition()));}$this->isLoadingInstanceof = false;foreach ($services as $service) {if ('stack' === $service->tagName) {$service->setAttribute('parent', '-');$definition = $this->parseDefinition($service, $file, $defaults)->setTags(array_merge_recursive(['container.stack' => [[]]], $defaults->getTags()));$this->setDefinition($id = (string) $service->getAttribute('id'), $definition);$stack = [];foreach ($this->getChildren($service, 'service') as $k => $frame) {$k = $frame->getAttribute('id') ?: $k;$frame->setAttribute('id', $id.'" at index "'.$k);if ($alias = $frame->getAttribute('alias')) {$this->validateAlias($frame, $file);$stack[$k] = new Reference($alias);} else {$stack[$k] = $this->parseDefinition($frame, $file, $defaults)->setInstanceofConditionals($this->instanceof);}}$definition->setArguments($stack);} elseif (null !== $definition = $this->parseDefinition($service, $file, $defaults)) {if ('prototype' === $service->tagName) {$excludes = array_column($this->getChildren($service, 'exclude'), 'nodeValue');if ($service->hasAttribute('exclude')) {if (\count($excludes) > 0) {throw new InvalidArgumentException('You cannot use both the attribute "exclude" and <exclude> tags at the same time.');}$excludes = [$service->getAttribute('exclude')];}$this->registerClasses($definition, (string) $service->getAttribute('namespace'), (string) $service->getAttribute('resource'), $excludes, $file);} else {$this->setDefinition((string) $service->getAttribute('id'), $definition);}}}}private function getServiceDefaults(\DOMDocument $xml, string $file, \DOMNode $root = null): Definition{$xpath = new \DOMXPath($xml);$xpath->registerNamespace('container', self::NS);if (null === $defaultsNode = $xpath->query('.//container:services/container:defaults', $root)->item(0)) {return new Definition();}$defaultsNode->setAttribute('id', '<defaults>');return $this->parseDefinition($defaultsNode, $file, new Definition());}/*** Parses an individual Definition.*/private function parseDefinition(\DOMElement $service, string $file, Definition $defaults): ?Definition{if ($alias = $service->getAttribute('alias')) {$this->validateAlias($service, $file);$this->container->setAlias($service->getAttribute('id'), $alias = new Alias($alias));if ($publicAttr = $service->getAttribute('public')) {$alias->setPublic(XmlUtils::phpize($publicAttr));} elseif ($defaults->getChanges()['public'] ?? false) {$alias->setPublic($defaults->isPublic());}if ($deprecated = $this->getChildren($service, 'deprecated')) {$message = $deprecated[0]->nodeValue ?: '';$package = $deprecated[0]->getAttribute('package') ?: '';$version = $deprecated[0]->getAttribute('version') ?: '';if (!$deprecated[0]->hasAttribute('package')) {throw new InvalidArgumentException(sprintf('Missing attribute "package" at node "deprecated" in "%s".', $file));}if (!$deprecated[0]->hasAttribute('version')) {throw new InvalidArgumentException(sprintf('Missing attribute "version" at node "deprecated" in "%s".', $file));}$alias->setDeprecated($package, $version, $message);}return null;}if ($this->isLoadingInstanceof) {$definition = new ChildDefinition('');} elseif ($parent = $service->getAttribute('parent')) {$definition = new ChildDefinition($parent);} else {$definition = new Definition();}if ($defaults->getChanges()['public'] ?? false) {$definition->setPublic($defaults->isPublic());}$definition->setAutowired($defaults->isAutowired());$definition->setAutoconfigured($defaults->isAutoconfigured());$definition->setChanges([]);foreach (['class', 'public', 'shared', 'synthetic', 'abstract'] as $key) {if ($value = $service->getAttribute($key)) {$method = 'set'.$key;$definition->$method($value = XmlUtils::phpize($value));}}if ($value = $service->getAttribute('lazy')) {$definition->setLazy((bool) $value = XmlUtils::phpize($value));if (\is_string($value)) {$definition->addTag('proxy', ['interface' => $value]);}}if ($value = $service->getAttribute('autowire')) {$definition->setAutowired(XmlUtils::phpize($value));}if ($value = $service->getAttribute('autoconfigure')) {$definition->setAutoconfigured(XmlUtils::phpize($value));}if ($files = $this->getChildren($service, 'file')) {$definition->setFile($files[0]->nodeValue);}if ($deprecated = $this->getChildren($service, 'deprecated')) {$message = $deprecated[0]->nodeValue ?: '';$package = $deprecated[0]->getAttribute('package') ?: '';$version = $deprecated[0]->getAttribute('version') ?: '';if (!$deprecated[0]->hasAttribute('package')) {throw new InvalidArgumentException(sprintf('Missing attribute "package" at node "deprecated" in "%s".', $file));}if (!$deprecated[0]->hasAttribute('version')) {throw new InvalidArgumentException(sprintf('Missing attribute "version" at node "deprecated" in "%s".', $file));}$definition->setDeprecated($package, $version, $message);}$definition->setArguments($this->getArgumentsAsPhp($service, 'argument', $file, $definition instanceof ChildDefinition));$definition->setProperties($this->getArgumentsAsPhp($service, 'property', $file));if ($factories = $this->getChildren($service, 'factory')) {$factory = $factories[0];if ($function = $factory->getAttribute('function')) {$definition->setFactory($function);} elseif ($expression = $factory->getAttribute('expression')) {if (!class_exists(Expression::class)) {throw new \LogicException('The "expression" attribute cannot be used on factories without the ExpressionLanguage component. Try running "composer require symfony/expression-language".');}$definition->setFactory('@='.$expression);} else {if ($childService = $factory->getAttribute('service')) {$class = new Reference($childService, ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);} else {$class = $factory->hasAttribute('class') ? $factory->getAttribute('class') : null;}$definition->setFactory([$class, $factory->getAttribute('method') ?: '__invoke']);}}if ($configurators = $this->getChildren($service, 'configurator')) {$configurator = $configurators[0];if ($function = $configurator->getAttribute('function')) {$definition->setConfigurator($function);} else {if ($childService = $configurator->getAttribute('service')) {$class = new Reference($childService, ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);} else {$class = $configurator->getAttribute('class');}$definition->setConfigurator([$class, $configurator->getAttribute('method') ?: '__invoke']);}}foreach ($this->getChildren($service, 'call') as $call) {$definition->addMethodCall($call->getAttribute('method'), $this->getArgumentsAsPhp($call, 'argument', $file), XmlUtils::phpize($call->getAttribute('returns-clone')));}$tags = $this->getChildren($service, 'tag');foreach ($tags as $tag) {$tagNameComesFromAttribute = $tag->childElementCount || '' === $tag->nodeValue;if ('' === $tagName = $tagNameComesFromAttribute ? $tag->getAttribute('name') : $tag->nodeValue) {throw new InvalidArgumentException(sprintf('The tag name for service "%s" in "%s" must be a non-empty string.', (string) $service->getAttribute('id'), $file));}$parameters = $this->getTagAttributes($tag, sprintf('The attribute name of tag "%s" for service "%s" in %s must be a non-empty string.', $tagName, (string) $service->getAttribute('id'), $file));foreach ($tag->attributes as $name => $node) {if ($tagNameComesFromAttribute && 'name' === $name) {continue;}if (str_contains($name, '-') && !str_contains($name, '_') && !\array_key_exists($normalizedName = str_replace('-', '_', $name), $parameters)) {$parameters[$normalizedName] = XmlUtils::phpize($node->nodeValue);}// keep not normalized key$parameters[$name] = XmlUtils::phpize($node->nodeValue);}$definition->addTag($tagName, $parameters);}$definition->setTags(array_merge_recursive($definition->getTags(), $defaults->getTags()));$bindings = $this->getArgumentsAsPhp($service, 'bind', $file);$bindingType = $this->isLoadingInstanceof ? BoundArgument::INSTANCEOF_BINDING : BoundArgument::SERVICE_BINDING;foreach ($bindings as $argument => $value) {$bindings[$argument] = new BoundArgument($value, true, $bindingType, $file);}// deep clone, to avoid multiple process of the same instance in the passes$bindings = array_merge(unserialize(serialize($defaults->getBindings())), $bindings);if ($bindings) {$definition->setBindings($bindings);}if ($decorates = $service->getAttribute('decorates')) {$decorationOnInvalid = $service->getAttribute('decoration-on-invalid') ?: 'exception';if ('exception' === $decorationOnInvalid) {$invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;} elseif ('ignore' === $decorationOnInvalid) {$invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;} elseif ('null' === $decorationOnInvalid) {$invalidBehavior = ContainerInterface::NULL_ON_INVALID_REFERENCE;} else {throw new InvalidArgumentException(sprintf('Invalid value "%s" for attribute "decoration-on-invalid" on service "%s". Did you mean "exception", "ignore" or "null" in "%s"?', $decorationOnInvalid, $service->getAttribute('id'), $file));}$renameId = $service->hasAttribute('decoration-inner-name') ? $service->getAttribute('decoration-inner-name') : null;$priority = $service->hasAttribute('decoration-priority') ? $service->getAttribute('decoration-priority') : 0;$definition->setDecoratedService($decorates, $renameId, $priority, $invalidBehavior);}return $definition;}/*** Parses an XML file to a \DOMDocument.** @throws InvalidArgumentException When loading of XML file returns error*/private function parseFileToDOM(string $file): \DOMDocument{try {$dom = XmlUtils::loadFile($file, $this->validateSchema(...));} catch (\InvalidArgumentException $e) {throw new InvalidArgumentException(sprintf('Unable to parse file "%s": ', $file).$e->getMessage(), $e->getCode(), $e);}$this->validateExtensions($dom, $file);return $dom;}/*** Processes anonymous services.*/private function processAnonymousServices(\DOMDocument $xml, string $file, \DOMNode $root = null){$definitions = [];$count = 0;$suffix = '~'.ContainerBuilder::hash($file);$xpath = new \DOMXPath($xml);$xpath->registerNamespace('container', self::NS);// anonymous services as arguments/propertiesif (false !== $nodes = $xpath->query('.//container:argument[@type="service"][not(@id)]|.//container:property[@type="service"][not(@id)]|.//container:bind[not(@id)]|.//container:factory[not(@service)]|.//container:configurator[not(@service)]', $root)) {foreach ($nodes as $node) {if ($services = $this->getChildren($node, 'service')) {// give it a unique name$id = sprintf('.%d_%s', ++$count, preg_replace('/^.*\\\\/', '', $services[0]->getAttribute('class')).$suffix);$node->setAttribute('id', $id);$node->setAttribute('service', $id);$definitions[$id] = [$services[0], $file];$services[0]->setAttribute('id', $id);// anonymous services are always private// we could not use the constant false here, because of XML parsing$services[0]->setAttribute('public', 'false');}}}// anonymous services "in the wild"if (false !== $nodes = $xpath->query('.//container:services/container:service[not(@id)]', $root)) {foreach ($nodes as $node) {throw new InvalidArgumentException(sprintf('Top-level services must have "id" attribute, none found in "%s" at line %d.', $file, $node->getLineNo()));}}// resolve definitionsuksort($definitions, 'strnatcmp');foreach (array_reverse($definitions) as $id => [$domElement, $file]) {if (null !== $definition = $this->parseDefinition($domElement, $file, new Definition())) {$this->setDefinition($id, $definition);}}}private function getArgumentsAsPhp(\DOMElement $node, string $name, string $file, bool $isChildDefinition = false): array{$arguments = [];foreach ($this->getChildren($node, $name) as $arg) {if ($arg->hasAttribute('name')) {$arg->setAttribute('key', $arg->getAttribute('name'));}// this is used by ChildDefinition to overwrite a specific// argument of the parent definitionif ($arg->hasAttribute('index')) {$key = ($isChildDefinition ? 'index_' : '').$arg->getAttribute('index');} elseif (!$arg->hasAttribute('key')) {// Append an empty argument, then fetch its key to overwrite it later$arguments[] = null;$keys = array_keys($arguments);$key = array_pop($keys);} else {$key = $arg->getAttribute('key');}$onInvalid = $arg->getAttribute('on-invalid');$invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;if ('ignore' == $onInvalid) {$invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;} elseif ('ignore_uninitialized' == $onInvalid) {$invalidBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;} elseif ('null' == $onInvalid) {$invalidBehavior = ContainerInterface::NULL_ON_INVALID_REFERENCE;}switch ($type = $arg->getAttribute('type')) {case 'service':if ('' === $arg->getAttribute('id')) {throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="service" has no or empty "id" attribute in "%s".', $name, $file));}$arguments[$key] = new Reference($arg->getAttribute('id'), $invalidBehavior);break;case 'expression':if (!class_exists(Expression::class)) {throw new \LogicException('The type="expression" attribute cannot be used without the ExpressionLanguage component. Try running "composer require symfony/expression-language".');}$arguments[$key] = new Expression($arg->nodeValue);break;case 'collection':$arguments[$key] = $this->getArgumentsAsPhp($arg, $name, $file);break;case 'iterator':$arg = $this->getArgumentsAsPhp($arg, $name, $file);$arguments[$key] = new IteratorArgument($arg);break;case 'closure':case 'service_closure':if ('' !== $arg->getAttribute('id')) {$arg = new Reference($arg->getAttribute('id'), $invalidBehavior);} else {$arg = $this->getArgumentsAsPhp($arg, $name, $file);}$arguments[$key] = match ($type) {'service_closure' => new ServiceClosureArgument($arg),'closure' => (new Definition('Closure'))->setFactory(['Closure', 'fromCallable'])->addArgument($arg),};break;case 'service_locator':$arg = $this->getArgumentsAsPhp($arg, $name, $file);$arguments[$key] = new ServiceLocatorArgument($arg);break;case 'tagged':case 'tagged_iterator':case 'tagged_locator':$forLocator = 'tagged_locator' === $type;if (!$arg->getAttribute('tag')) {throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="%s" has no or empty "tag" attribute in "%s".', $name, $type, $file));}$excludes = array_column($this->getChildren($arg, 'exclude'), 'nodeValue');if ($arg->hasAttribute('exclude')) {if (\count($excludes) > 0) {throw new InvalidArgumentException('You cannot use both the attribute "exclude" and <exclude> tags at the same time.');}$excludes = [$arg->getAttribute('exclude')];}$arguments[$key] = new TaggedIteratorArgument($arg->getAttribute('tag'), $arg->getAttribute('index-by') ?: null, $arg->getAttribute('default-index-method') ?: null, $forLocator, $arg->getAttribute('default-priority-method') ?: null, $excludes);if ($forLocator) {$arguments[$key] = new ServiceLocatorArgument($arguments[$key]);}break;case 'binary':if (false === $value = base64_decode($arg->nodeValue)) {throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="binary" is not a valid base64 encoded string.', $name));}$arguments[$key] = $value;break;case 'abstract':$arguments[$key] = new AbstractArgument($arg->nodeValue);break;case 'string':$arguments[$key] = $arg->nodeValue;break;case 'constant':$arguments[$key] = \constant(trim($arg->nodeValue));break;default:$arguments[$key] = XmlUtils::phpize($arg->nodeValue);}}return $arguments;}/*** Get child elements by name.** @return \DOMElement[]*/private function getChildren(\DOMNode $node, string $name): array{$children = [];foreach ($node->childNodes as $child) {if ($child instanceof \DOMElement && $child->localName === $name && self::NS === $child->namespaceURI) {$children[] = $child;}}return $children;}private function getTagAttributes(\DOMNode $node, string $missingName): array{$parameters = [];$children = $this->getChildren($node, 'attribute');foreach ($children as $childNode) {if ('' === $name = $childNode->getAttribute('name')) {throw new InvalidArgumentException($missingName);}if ($this->getChildren($childNode, 'attribute')) {$parameters[$name] = $this->getTagAttributes($childNode, $missingName);} else {if (str_contains($name, '-') && !str_contains($name, '_') && !\array_key_exists($normalizedName = str_replace('-', '_', $name), $parameters)) {$parameters[$normalizedName] = XmlUtils::phpize($childNode->nodeValue);}// keep not normalized key$parameters[$name] = XmlUtils::phpize($childNode->nodeValue);}}return $parameters;}/*** Validates a documents XML schema.** @throws RuntimeException When extension references a non-existent XSD file*/public function validateSchema(\DOMDocument $dom): bool{$schemaLocations = ['http://symfony.com/schema/dic/services' => str_replace('\\', '/', __DIR__.'/schema/dic/services/services-1.0.xsd')];if ($element = $dom->documentElement->getAttributeNS('http://www.w3.org/2001/XMLSchema-instance', 'schemaLocation')) {$items = preg_split('/\s+/', $element);for ($i = 0, $nb = \count($items); $i < $nb; $i += 2) {if (!$this->container->hasExtension($items[$i])) {continue;}if (($extension = $this->container->getExtension($items[$i])) && false !== $extension->getXsdValidationBasePath()) {$ns = $extension->getNamespace();$path = str_replace([$ns, str_replace('http://', 'https://', $ns)], str_replace('\\', '/', $extension->getXsdValidationBasePath()).'/', $items[$i + 1]);if (!is_file($path)) {throw new RuntimeException(sprintf('Extension "%s" references a non-existent XSD file "%s".', get_debug_type($extension), $path));}$schemaLocations[$items[$i]] = $path;}}}$tmpfiles = [];$imports = '';foreach ($schemaLocations as $namespace => $location) {$parts = explode('/', $location);$locationstart = 'file:///';if (0 === stripos($location, 'phar://')) {$tmpfile = tempnam(sys_get_temp_dir(), 'symfony');if ($tmpfile) {copy($location, $tmpfile);$tmpfiles[] = $tmpfile;$parts = explode('/', str_replace('\\', '/', $tmpfile));} else {array_shift($parts);$locationstart = 'phar:///';}} elseif ('\\' === \DIRECTORY_SEPARATOR && str_starts_with($location, '\\\\')) {$locationstart = '';}$drive = '\\' === \DIRECTORY_SEPARATOR ? array_shift($parts).'/' : '';$location = $locationstart.$drive.implode('/', array_map('rawurlencode', $parts));$imports .= sprintf(' <xsd:import namespace="%s" schemaLocation="%s" />'."\n", $namespace, $location);}$source = <<<EOF<?xml version="1.0" encoding="utf-8" ?><xsd:schema xmlns="http://symfony.com/schema"xmlns:xsd="http://www.w3.org/2001/XMLSchema"targetNamespace="http://symfony.com/schema"elementFormDefault="qualified"><xsd:import namespace="http://www.w3.org/XML/1998/namespace"/>$imports</xsd:schema>EOF;if ($this->shouldEnableEntityLoader()) {$disableEntities = libxml_disable_entity_loader(false);$valid = @$dom->schemaValidateSource($source);libxml_disable_entity_loader($disableEntities);} else {$valid = @$dom->schemaValidateSource($source);}foreach ($tmpfiles as $tmpfile) {@unlink($tmpfile);}return $valid;}private function shouldEnableEntityLoader(): bool{static $dom, $schema;if (null === $dom) {$dom = new \DOMDocument();$dom->loadXML('<?xml version="1.0"?><test/>');$tmpfile = tempnam(sys_get_temp_dir(), 'symfony');register_shutdown_function(static function () use ($tmpfile) {@unlink($tmpfile);});$schema = '<?xml version="1.0" encoding="utf-8"?><xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"><xsd:include schemaLocation="file:///'.rawurlencode(str_replace('\\', '/', $tmpfile)).'" /></xsd:schema>';file_put_contents($tmpfile, '<?xml version="1.0" encoding="utf-8"?><xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"><xsd:element name="test" type="testType" /><xsd:complexType name="testType"/></xsd:schema>');}return !@$dom->schemaValidateSource($schema);}private function validateAlias(\DOMElement $alias, string $file){foreach ($alias->attributes as $name => $node) {if (!\in_array($name, ['alias', 'id', 'public'])) {throw new InvalidArgumentException(sprintf('Invalid attribute "%s" defined for alias "%s" in "%s".', $name, $alias->getAttribute('id'), $file));}}foreach ($alias->childNodes as $child) {if (!$child instanceof \DOMElement || self::NS !== $child->namespaceURI) {continue;}if (!\in_array($child->localName, ['deprecated'], true)) {throw new InvalidArgumentException(sprintf('Invalid child element "%s" defined for alias "%s" in "%s".', $child->localName, $alias->getAttribute('id'), $file));}}}/*** Validates an extension.** @throws InvalidArgumentException When no extension is found corresponding to a tag*/private function validateExtensions(\DOMDocument $dom, string $file){foreach ($dom->documentElement->childNodes as $node) {if (!$node instanceof \DOMElement || 'http://symfony.com/schema/dic/services' === $node->namespaceURI) {continue;}// can it be handled by an extension?if (!$this->container->hasExtension($node->namespaceURI)) {$extensionNamespaces = array_filter(array_map(function (ExtensionInterface $ext) { return $ext->getNamespace(); }, $this->container->getExtensions()));throw new InvalidArgumentException(sprintf('There is no extension able to load the configuration for "%s" (in "%s"). Looked for namespace "%s", found "%s".', $node->tagName, $file, $node->namespaceURI, $extensionNamespaces ? implode('", "', $extensionNamespaces) : 'none'));}}}/*** Loads from an extension.*/private function loadFromExtensions(\DOMDocument $xml){foreach ($xml->documentElement->childNodes as $node) {if (!$node instanceof \DOMElement || self::NS === $node->namespaceURI) {continue;}$values = static::convertDomElementToArray($node);if (!\is_array($values)) {$values = [];}$this->container->loadFromExtension($node->namespaceURI, $values);}}/*** Converts a \DOMElement object to a PHP array.** The following rules applies during the conversion:** * Each tag is converted to a key value or an array* if there is more than one "value"** * The content of a tag is set under a "value" key (<foo>bar</foo>)* if the tag also has some nested tags** * The attributes are converted to keys (<foo foo="bar"/>)** * The nested-tags are converted to keys (<foo><foo>bar</foo></foo>)** @param \DOMElement $element A \DOMElement instance*/public static function convertDomElementToArray(\DOMElement $element): mixed{return XmlUtils::convertDomElementToArray($element);}}