vendor/symfony/dependency-injection/Loader/YamlFileLoader.php line 733
<?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\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;use Symfony\Component\Yaml\Exception\ParseException;use Symfony\Component\Yaml\Parser as YamlParser;use Symfony\Component\Yaml\Tag\TaggedValue;use Symfony\Component\Yaml\Yaml;/*** YamlFileLoader loads YAML files service definitions.** @author Fabien Potencier <fabien@symfony.com>*/class YamlFileLoader extends FileLoader{private const SERVICE_KEYWORDS = ['alias' => 'alias','parent' => 'parent','class' => 'class','shared' => 'shared','synthetic' => 'synthetic','lazy' => 'lazy','public' => 'public','abstract' => 'abstract','deprecated' => 'deprecated','factory' => 'factory','file' => 'file','arguments' => 'arguments','properties' => 'properties','configurator' => 'configurator','calls' => 'calls','tags' => 'tags','decorates' => 'decorates','decoration_inner_name' => 'decoration_inner_name','decoration_priority' => 'decoration_priority','decoration_on_invalid' => 'decoration_on_invalid','autowire' => 'autowire','autoconfigure' => 'autoconfigure','bind' => 'bind',];private const PROTOTYPE_KEYWORDS = ['resource' => 'resource','namespace' => 'namespace','exclude' => 'exclude','parent' => 'parent','shared' => 'shared','lazy' => 'lazy','public' => 'public','abstract' => 'abstract','deprecated' => 'deprecated','factory' => 'factory','arguments' => 'arguments','properties' => 'properties','configurator' => 'configurator','calls' => 'calls','tags' => 'tags','autowire' => 'autowire','autoconfigure' => 'autoconfigure','bind' => 'bind',];private const INSTANCEOF_KEYWORDS = ['shared' => 'shared','lazy' => 'lazy','public' => 'public','properties' => 'properties','configurator' => 'configurator','calls' => 'calls','tags' => 'tags','autowire' => 'autowire','bind' => 'bind',];private const DEFAULTS_KEYWORDS = ['public' => 'public','tags' => 'tags','autowire' => 'autowire','autoconfigure' => 'autoconfigure','bind' => 'bind',];private YamlParser $yamlParser;private int $anonymousServicesCount;private string $anonymousServicesSuffix;protected $autoRegisterAliasesForSinglyImplementedInterfaces = false;public function load(mixed $resource, string $type = null): mixed{$path = $this->locator->locate($resource);$content = $this->loadFile($path);$this->container->fileExists($path);// empty fileif (null === $content) {return null;}$this->loadContent($content, $path);// per-env configurationif ($this->env && isset($content['when@'.$this->env])) {if (!\is_array($content['when@'.$this->env])) {throw new InvalidArgumentException(sprintf('The "when@%s" key should contain an array in "%s". Check your YAML syntax.', $this->env, $path));}$env = $this->env;$this->env = null;try {$this->loadContent($content['when@'.$env], $path);} finally {$this->env = $env;}}return null;}private function loadContent(array $content, string $path){// imports$this->parseImports($content, $path);// parametersif (isset($content['parameters'])) {if (!\is_array($content['parameters'])) {throw new InvalidArgumentException(sprintf('The "parameters" key should contain an array in "%s". Check your YAML syntax.', $path));}foreach ($content['parameters'] as $key => $value) {$this->container->setParameter($key, $this->resolveServices($value, $path, true));}}// extensions$this->loadFromExtensions($content);// services$this->anonymousServicesCount = 0;$this->anonymousServicesSuffix = '~'.ContainerBuilder::hash($path);$this->setCurrentDir(\dirname($path));try {$this->parseDefinitions($content, $path);} finally {$this->instanceof = [];$this->registerAliasesForSinglyImplementedInterfaces();}}public function supports(mixed $resource, string $type = null): bool{if (!\is_string($resource)) {return false;}if (null === $type && \in_array(pathinfo($resource, \PATHINFO_EXTENSION), ['yaml', 'yml'], true)) {return true;}return \in_array($type, ['yaml', 'yml'], true);}private function parseImports(array $content, string $file){if (!isset($content['imports'])) {return;}if (!\is_array($content['imports'])) {throw new InvalidArgumentException(sprintf('The "imports" key should contain an array in "%s". Check your YAML syntax.', $file));}$defaultDirectory = \dirname($file);foreach ($content['imports'] as $import) {if (!\is_array($import)) {$import = ['resource' => $import];}if (!isset($import['resource'])) {throw new InvalidArgumentException(sprintf('An import should provide a resource in "%s". Check your YAML syntax.', $file));}$this->setCurrentDir($defaultDirectory);$this->import($import['resource'], $import['type'] ?? null, $import['ignore_errors'] ?? false, $file);}}private function parseDefinitions(array $content, string $file, bool $trackBindings = true){if (!isset($content['services'])) {return;}if (!\is_array($content['services'])) {throw new InvalidArgumentException(sprintf('The "services" key should contain an array in "%s". Check your YAML syntax.', $file));}if (\array_key_exists('_instanceof', $content['services'])) {$instanceof = $content['services']['_instanceof'];unset($content['services']['_instanceof']);if (!\is_array($instanceof)) {throw new InvalidArgumentException(sprintf('Service "_instanceof" key must be an array, "%s" given in "%s".', get_debug_type($instanceof), $file));}$this->instanceof = [];$this->isLoadingInstanceof = true;foreach ($instanceof as $id => $service) {if (!$service || !\is_array($service)) {throw new InvalidArgumentException(sprintf('Type definition "%s" must be a non-empty array within "_instanceof" in "%s". Check your YAML syntax.', $id, $file));}if (\is_string($service) && str_starts_with($service, '@')) {throw new InvalidArgumentException(sprintf('Type definition "%s" cannot be an alias within "_instanceof" in "%s". Check your YAML syntax.', $id, $file));}$this->parseDefinition($id, $service, $file, [], false, $trackBindings);}}$this->isLoadingInstanceof = false;$defaults = $this->parseDefaults($content, $file);foreach ($content['services'] as $id => $service) {$this->parseDefinition($id, $service, $file, $defaults, false, $trackBindings);}}/*** @throws InvalidArgumentException*/private function parseDefaults(array &$content, string $file): array{if (!\array_key_exists('_defaults', $content['services'])) {return [];}$defaults = $content['services']['_defaults'];unset($content['services']['_defaults']);if (!\is_array($defaults)) {throw new InvalidArgumentException(sprintf('Service "_defaults" key must be an array, "%s" given in "%s".', get_debug_type($defaults), $file));}foreach ($defaults as $key => $default) {if (!isset(self::DEFAULTS_KEYWORDS[$key])) {throw new InvalidArgumentException(sprintf('The configuration key "%s" cannot be used to define a default value in "%s". Allowed keys are "%s".', $key, $file, implode('", "', self::DEFAULTS_KEYWORDS)));}}if (isset($defaults['tags'])) {if (!\is_array($tags = $defaults['tags'])) {throw new InvalidArgumentException(sprintf('Parameter "tags" in "_defaults" must be an array in "%s". Check your YAML syntax.', $file));}foreach ($tags as $tag) {if (!\is_array($tag)) {$tag = ['name' => $tag];}if (1 === \count($tag) && \is_array(current($tag))) {$name = key($tag);$tag = current($tag);} else {if (!isset($tag['name'])) {throw new InvalidArgumentException(sprintf('A "tags" entry in "_defaults" is missing a "name" key in "%s".', $file));}$name = $tag['name'];unset($tag['name']);}if (!\is_string($name) || '' === $name) {throw new InvalidArgumentException(sprintf('The tag name in "_defaults" must be a non-empty string in "%s".', $file));}$this->validateAttributes(sprintf('Tag "%s", attribute "%s" in "_defaults" must be of a scalar-type in "%s". Check your YAML syntax.', $name, '%s', $file), $tag);}}if (isset($defaults['bind'])) {if (!\is_array($defaults['bind'])) {throw new InvalidArgumentException(sprintf('Parameter "bind" in "_defaults" must be an array in "%s". Check your YAML syntax.', $file));}foreach ($this->resolveServices($defaults['bind'], $file) as $argument => $value) {$defaults['bind'][$argument] = new BoundArgument($value, true, BoundArgument::DEFAULTS_BINDING, $file);}}return $defaults;}private function isUsingShortSyntax(array $service): bool{foreach ($service as $key => $value) {if (\is_string($key) && ('' === $key || ('$' !== $key[0] && !str_contains($key, '\\')))) {return false;}}return true;}/*** @throws InvalidArgumentException When tags are invalid*/private function parseDefinition(string $id, array|string|null $service, string $file, array $defaults, bool $return = false, bool $trackBindings = true){if (preg_match('/^_[a-zA-Z0-9_]*$/', $id)) {throw new InvalidArgumentException(sprintf('Service names that start with an underscore are reserved. Rename the "%s" service or define it in XML instead.', $id));}if (\is_string($service) && str_starts_with($service, '@')) {$alias = new Alias(substr($service, 1));if (isset($defaults['public'])) {$alias->setPublic($defaults['public']);}return $return ? $alias : $this->container->setAlias($id, $alias);}if (\is_array($service) && $this->isUsingShortSyntax($service)) {$service = ['arguments' => $service];}if (!\is_array($service ??= [])) {throw new InvalidArgumentException(sprintf('A service definition must be an array or a string starting with "@" but "%s" found for service "%s" in "%s". Check your YAML syntax.', get_debug_type($service), $id, $file));}if (isset($service['stack'])) {if (!\is_array($service['stack'])) {throw new InvalidArgumentException(sprintf('A stack must be an array of definitions, "%s" given for service "%s" in "%s". Check your YAML syntax.', get_debug_type($service), $id, $file));}$stack = [];foreach ($service['stack'] as $k => $frame) {if (\is_array($frame) && 1 === \count($frame) && !isset(self::SERVICE_KEYWORDS[key($frame)])) {$frame = ['class' => key($frame),'arguments' => current($frame),];}if (\is_array($frame) && isset($frame['stack'])) {throw new InvalidArgumentException(sprintf('Service stack "%s" cannot contain another stack in "%s".', $id, $file));}$definition = $this->parseDefinition($id.'" at index "'.$k, $frame, $file, $defaults, true);if ($definition instanceof Definition) {$definition->setInstanceofConditionals($this->instanceof);}$stack[$k] = $definition;}if ($diff = array_diff(array_keys($service), ['stack', 'public', 'deprecated'])) {throw new InvalidArgumentException(sprintf('Invalid attribute "%s"; supported ones are "public" and "deprecated" for service "%s" in "%s". Check your YAML syntax.', implode('", "', $diff), $id, $file));}$service = ['parent' => '','arguments' => $stack,'tags' => ['container.stack'],'public' => $service['public'] ?? null,'deprecated' => $service['deprecated'] ?? null,];}$definition = isset($service[0]) && $service[0] instanceof Definition ? array_shift($service) : null;$return = null === $definition ? $return : true;$this->checkDefinition($id, $service, $file);if (isset($service['alias'])) {$alias = new Alias($service['alias']);if (isset($service['public'])) {$alias->setPublic($service['public']);} elseif (isset($defaults['public'])) {$alias->setPublic($defaults['public']);}foreach ($service as $key => $value) {if (!\in_array($key, ['alias', 'public', 'deprecated'])) {throw new InvalidArgumentException(sprintf('The configuration key "%s" is unsupported for the service "%s" which is defined as an alias in "%s". Allowed configuration keys for service aliases are "alias", "public" and "deprecated".', $key, $id, $file));}if ('deprecated' === $key) {$deprecation = \is_array($value) ? $value : ['message' => $value];if (!isset($deprecation['package'])) {throw new InvalidArgumentException(sprintf('Missing attribute "package" of the "deprecated" option in "%s".', $file));}if (!isset($deprecation['version'])) {throw new InvalidArgumentException(sprintf('Missing attribute "version" of the "deprecated" option in "%s".', $file));}$alias->setDeprecated($deprecation['package'] ?? '', $deprecation['version'] ?? '', $deprecation['message'] ?? '');}}return $return ? $alias : $this->container->setAlias($id, $alias);}if (null !== $definition) {// no-op} elseif ($this->isLoadingInstanceof) {$definition = new ChildDefinition('');} elseif (isset($service['parent'])) {if ('' !== $service['parent'] && '@' === $service['parent'][0]) {throw new InvalidArgumentException(sprintf('The value of the "parent" option for the "%s" service must be the id of the service without the "@" prefix (replace "%s" with "%s").', $id, $service['parent'], substr($service['parent'], 1)));}$definition = new ChildDefinition($service['parent']);} else {$definition = new Definition();}if (isset($defaults['public'])) {$definition->setPublic($defaults['public']);}if (isset($defaults['autowire'])) {$definition->setAutowired($defaults['autowire']);}if (isset($defaults['autoconfigure'])) {$definition->setAutoconfigured($defaults['autoconfigure']);}$definition->setChanges([]);if (isset($service['class'])) {$definition->setClass($service['class']);}if (isset($service['shared'])) {$definition->setShared($service['shared']);}if (isset($service['synthetic'])) {$definition->setSynthetic($service['synthetic']);}if (isset($service['lazy'])) {$definition->setLazy((bool) $service['lazy']);if (\is_string($service['lazy'])) {$definition->addTag('proxy', ['interface' => $service['lazy']]);}}if (isset($service['public'])) {$definition->setPublic($service['public']);}if (isset($service['abstract'])) {$definition->setAbstract($service['abstract']);}if (isset($service['deprecated'])) {$deprecation = \is_array($service['deprecated']) ? $service['deprecated'] : ['message' => $service['deprecated']];if (!isset($deprecation['package'])) {throw new InvalidArgumentException(sprintf('Missing attribute "package" of the "deprecated" option in "%s".', $file));}if (!isset($deprecation['version'])) {throw new InvalidArgumentException(sprintf('Missing attribute "version" of the "deprecated" option in "%s".', $file));}$definition->setDeprecated($deprecation['package'] ?? '', $deprecation['version'] ?? '', $deprecation['message'] ?? '');}if (isset($service['factory'])) {$definition->setFactory($this->parseCallable($service['factory'], 'factory', $id, $file));}if (isset($service['file'])) {$definition->setFile($service['file']);}if (isset($service['arguments'])) {$definition->setArguments($this->resolveServices($service['arguments'], $file));}if (isset($service['properties'])) {$definition->setProperties($this->resolveServices($service['properties'], $file));}if (isset($service['configurator'])) {$definition->setConfigurator($this->parseCallable($service['configurator'], 'configurator', $id, $file));}if (isset($service['calls'])) {if (!\is_array($service['calls'])) {throw new InvalidArgumentException(sprintf('Parameter "calls" must be an array for service "%s" in "%s". Check your YAML syntax.', $id, $file));}foreach ($service['calls'] as $k => $call) {if (!\is_array($call) && (!\is_string($k) || !$call instanceof TaggedValue)) {throw new InvalidArgumentException(sprintf('Invalid method call for service "%s": expected map or array, "%s" given in "%s".', $id, $call instanceof TaggedValue ? '!'.$call->getTag() : get_debug_type($call), $file));}if (\is_string($k)) {throw new InvalidArgumentException(sprintf('Invalid method call for service "%s", did you forgot a leading dash before "%s: ..." in "%s"?', $id, $k, $file));}if (isset($call['method']) && \is_string($call['method'])) {$method = $call['method'];$args = $call['arguments'] ?? [];$returnsClone = $call['returns_clone'] ?? false;} else {if (1 === \count($call) && \is_string(key($call))) {$method = key($call);$args = $call[$method];if ($args instanceof TaggedValue) {if ('returns_clone' !== $args->getTag()) {throw new InvalidArgumentException(sprintf('Unsupported tag "!%s", did you mean "!returns_clone" for service "%s" in "%s"?', $args->getTag(), $id, $file));}$returnsClone = true;$args = $args->getValue();} else {$returnsClone = false;}} elseif (empty($call[0])) {throw new InvalidArgumentException(sprintf('Invalid call for service "%s": the method must be defined as the first index of an array or as the only key of a map in "%s".', $id, $file));} else {$method = $call[0];$args = $call[1] ?? [];$returnsClone = $call[2] ?? false;}}if (!\is_array($args)) {throw new InvalidArgumentException(sprintf('The second parameter for function call "%s" must be an array of its arguments for service "%s" in "%s". Check your YAML syntax.', $method, $id, $file));}$args = $this->resolveServices($args, $file);$definition->addMethodCall($method, $args, $returnsClone);}}$tags = $service['tags'] ?? [];if (!\is_array($tags)) {throw new InvalidArgumentException(sprintf('Parameter "tags" must be an array for service "%s" in "%s". Check your YAML syntax.', $id, $file));}if (isset($defaults['tags'])) {$tags = array_merge($tags, $defaults['tags']);}foreach ($tags as $tag) {if (!\is_array($tag)) {$tag = ['name' => $tag];}if (1 === \count($tag) && \is_array(current($tag))) {$name = key($tag);$tag = current($tag);} else {if (!isset($tag['name'])) {throw new InvalidArgumentException(sprintf('A "tags" entry is missing a "name" key for service "%s" in "%s".', $id, $file));}$name = $tag['name'];unset($tag['name']);}if (!\is_string($name) || '' === $name) {throw new InvalidArgumentException(sprintf('The tag name for service "%s" in "%s" must be a non-empty string.', $id, $file));}$this->validateAttributes(sprintf('A "tags" attribute must be of a scalar-type for service "%s", tag "%s", attribute "%s" in "%s". Check your YAML syntax.', $id, $name, '%s', $file), $tag);$definition->addTag($name, $tag);}if (null !== $decorates = $service['decorates'] ?? null) {if ('' !== $decorates && '@' === $decorates[0]) {throw new InvalidArgumentException(sprintf('The value of the "decorates" option for the "%s" service must be the id of the service without the "@" prefix (replace "%s" with "%s").', $id, $service['decorates'], substr($decorates, 1)));}$decorationOnInvalid = \array_key_exists('decoration_on_invalid', $service) ? $service['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;} elseif ('null' === $decorationOnInvalid) {throw new InvalidArgumentException(sprintf('Invalid value "%s" for attribute "decoration_on_invalid" on service "%s". Did you mean null (without quotes) in "%s"?', $decorationOnInvalid, $id, $file));} 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, $id, $file));}$renameId = $service['decoration_inner_name'] ?? null;$priority = $service['decoration_priority'] ?? 0;$definition->setDecoratedService($decorates, $renameId, $priority, $invalidBehavior);}if (isset($service['autowire'])) {$definition->setAutowired($service['autowire']);}if (isset($defaults['bind']) || isset($service['bind'])) {// deep clone, to avoid multiple process of the same instance in the passes$bindings = $definition->getBindings();$bindings += isset($defaults['bind']) ? unserialize(serialize($defaults['bind'])) : [];if (isset($service['bind'])) {if (!\is_array($service['bind'])) {throw new InvalidArgumentException(sprintf('Parameter "bind" must be an array for service "%s" in "%s". Check your YAML syntax.', $id, $file));}$bindings = array_merge($bindings, $this->resolveServices($service['bind'], $file));$bindingType = $this->isLoadingInstanceof ? BoundArgument::INSTANCEOF_BINDING : BoundArgument::SERVICE_BINDING;foreach ($bindings as $argument => $value) {if (!$value instanceof BoundArgument) {$bindings[$argument] = new BoundArgument($value, $trackBindings, $bindingType, $file);}}}$definition->setBindings($bindings);}if (isset($service['autoconfigure'])) {$definition->setAutoconfigured($service['autoconfigure']);}if (\array_key_exists('namespace', $service) && !\array_key_exists('resource', $service)) {throw new InvalidArgumentException(sprintf('A "resource" attribute must be set when the "namespace" attribute is set for service "%s" in "%s". Check your YAML syntax.', $id, $file));}if ($return) {if (\array_key_exists('resource', $service)) {throw new InvalidArgumentException(sprintf('Invalid "resource" attribute found for service "%s" in "%s". Check your YAML syntax.', $id, $file));}return $definition;}if (\array_key_exists('resource', $service)) {if (!\is_string($service['resource'])) {throw new InvalidArgumentException(sprintf('A "resource" attribute must be of type string for service "%s" in "%s". Check your YAML syntax.', $id, $file));}$exclude = $service['exclude'] ?? null;$namespace = $service['namespace'] ?? $id;$this->registerClasses($definition, $namespace, $service['resource'], $exclude, $file);} else {$this->setDefinition($id, $definition);}}/*** @throws InvalidArgumentException When errors occur*/private function parseCallable(mixed $callable, string $parameter, string $id, string $file): string|array|Reference{if (\is_string($callable)) {if (str_starts_with($callable, '@=')) {if ('factory' !== $parameter) {throw new InvalidArgumentException(sprintf('Using expressions in "%s" for the "%s" service is not supported in "%s".', $parameter, $id, $file));}if (!class_exists(Expression::class)) {throw new \LogicException('The "@=" expression syntax cannot be used without the ExpressionLanguage component. Try running "composer require symfony/expression-language".');}return $callable;}if ('' !== $callable && '@' === $callable[0]) {if (!str_contains($callable, ':')) {return [$this->resolveServices($callable, $file), '__invoke'];}throw new InvalidArgumentException(sprintf('The value of the "%s" option for the "%s" service must be the id of the service without the "@" prefix (replace "%s" with "%s" in "%s").', $parameter, $id, $callable, substr($callable, 1), $file));}return $callable;}if (\is_array($callable)) {if (isset($callable[0]) && isset($callable[1])) {return [$this->resolveServices($callable[0], $file), $callable[1]];}if ('factory' === $parameter && isset($callable[1]) && null === $callable[0]) {return $callable;}throw new InvalidArgumentException(sprintf('Parameter "%s" must contain an array with two elements for service "%s" in "%s". Check your YAML syntax.', $parameter, $id, $file));}throw new InvalidArgumentException(sprintf('Parameter "%s" must be a string or an array for service "%s" in "%s". Check your YAML syntax.', $parameter, $id, $file));}/*** Loads a YAML file.** @throws InvalidArgumentException when the given file is not a local file or when it does not exist*/protected function loadFile(string $file): ?array{if (!class_exists(\Symfony\Component\Yaml\Parser::class)) {throw new RuntimeException('Unable to load YAML config files as the Symfony Yaml Component is not installed.');}if (!stream_is_local($file)) {throw new InvalidArgumentException(sprintf('This is not a local file "%s".', $file));}if (!is_file($file)) {throw new InvalidArgumentException(sprintf('The file "%s" does not exist.', $file));}$this->yamlParser ??= new YamlParser();try {$configuration = $this->yamlParser->parseFile($file, Yaml::PARSE_CONSTANT | Yaml::PARSE_CUSTOM_TAGS);} catch (ParseException $e) {throw new InvalidArgumentException(sprintf('The file "%s" does not contain valid YAML: ', $file).$e->getMessage(), 0, $e);}return $this->validate($configuration, $file);}/*** Validates a YAML file.** @throws InvalidArgumentException When service file is not valid*/private function validate(mixed $content, string $file): ?array{if (null === $content) {return $content;}if (!\is_array($content)) {throw new InvalidArgumentException(sprintf('The service file "%s" is not valid. It should contain an array. Check your YAML syntax.', $file));}foreach ($content as $namespace => $data) {if (\in_array($namespace, ['imports', 'parameters', 'services']) || str_starts_with($namespace, 'when@')) {continue;}if (!$this->container->hasExtension($namespace)) {$extensionNamespaces = array_filter(array_map(function (ExtensionInterface $ext) { return $ext->getAlias(); }, $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".', $namespace, $file, $namespace, $extensionNamespaces ? sprintf('"%s"', implode('", "', $extensionNamespaces)) : 'none'));}}return $content;}private function resolveServices(mixed $value, string $file, bool $isParameter = false): mixed{if ($value instanceof TaggedValue) {$argument = $value->getValue();if ('closure' === $value->getTag()) {$argument = $this->resolveServices($argument, $file, $isParameter);return (new Definition('Closure'))->setFactory(['Closure', 'fromCallable'])->addArgument($argument);}if ('iterator' === $value->getTag()) {if (!\is_array($argument)) {throw new InvalidArgumentException(sprintf('"!iterator" tag only accepts sequences in "%s".', $file));}$argument = $this->resolveServices($argument, $file, $isParameter);return new IteratorArgument($argument);}if ('service_closure' === $value->getTag()) {$argument = $this->resolveServices($argument, $file, $isParameter);return new ServiceClosureArgument($argument);}if ('service_locator' === $value->getTag()) {if (!\is_array($argument)) {throw new InvalidArgumentException(sprintf('"!service_locator" tag only accepts maps in "%s".', $file));}$argument = $this->resolveServices($argument, $file, $isParameter);return new ServiceLocatorArgument($argument);}if (\in_array($value->getTag(), ['tagged', 'tagged_iterator', 'tagged_locator'], true)) {$forLocator = 'tagged_locator' === $value->getTag();if (\is_array($argument) && isset($argument['tag']) && $argument['tag']) {if ($diff = array_diff(array_keys($argument), $supportedKeys = ['tag', 'index_by', 'default_index_method', 'default_priority_method', 'exclude'])) {throw new InvalidArgumentException(sprintf('"!%s" tag contains unsupported key "%s"; supported ones are "%s".', $value->getTag(), implode('", "', $diff), implode('", "', $supportedKeys)));}$argument = new TaggedIteratorArgument($argument['tag'], $argument['index_by'] ?? null, $argument['default_index_method'] ?? null, $forLocator, $argument['default_priority_method'] ?? null, (array) ($argument['exclude'] ?? null));} elseif (\is_string($argument) && $argument) {$argument = new TaggedIteratorArgument($argument, null, null, $forLocator);} else {throw new InvalidArgumentException(sprintf('"!%s" tags only accept a non empty string or an array with a key "tag" in "%s".', $value->getTag(), $file));}if ($forLocator) {$argument = new ServiceLocatorArgument($argument);}return $argument;}if ('service' === $value->getTag()) {if ($isParameter) {throw new InvalidArgumentException(sprintf('Using an anonymous service in a parameter is not allowed in "%s".', $file));}$isLoadingInstanceof = $this->isLoadingInstanceof;$this->isLoadingInstanceof = false;$instanceof = $this->instanceof;$this->instanceof = [];$id = sprintf('.%d_%s', ++$this->anonymousServicesCount, preg_replace('/^.*\\\\/', '', $argument['class'] ?? '').$this->anonymousServicesSuffix);$this->parseDefinition($id, $argument, $file, []);if (!$this->container->hasDefinition($id)) {throw new InvalidArgumentException(sprintf('Creating an alias using the tag "!service" is not allowed in "%s".', $file));}$this->container->getDefinition($id);$this->isLoadingInstanceof = $isLoadingInstanceof;$this->instanceof = $instanceof;return new Reference($id);}if ('abstract' === $value->getTag()) {return new AbstractArgument($value->getValue());}throw new InvalidArgumentException(sprintf('Unsupported tag "!%s".', $value->getTag()));}if (\is_array($value)) {foreach ($value as $k => $v) {$value[$k] = $this->resolveServices($v, $file, $isParameter);}} elseif (\is_string($value) && str_starts_with($value, '@=')) {if ($isParameter) {throw new InvalidArgumentException(sprintf('Using expressions in parameters is not allowed in "%s".', $file));}if (!class_exists(Expression::class)) {throw new \LogicException('The "@=" expression syntax cannot be used without the ExpressionLanguage component. Try running "composer require symfony/expression-language".');}return new Expression(substr($value, 2));} elseif (\is_string($value) && str_starts_with($value, '@')) {if (str_starts_with($value, '@@')) {$value = substr($value, 1);$invalidBehavior = null;} elseif (str_starts_with($value, '@!')) {$value = substr($value, 2);$invalidBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;} elseif (str_starts_with($value, '@?')) {$value = substr($value, 2);$invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;} else {$value = substr($value, 1);$invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;}if (null !== $invalidBehavior) {$value = new Reference($value, $invalidBehavior);}}return $value;}private function loadFromExtensions(array $content){foreach ($content as $namespace => $values) {if (\in_array($namespace, ['imports', 'parameters', 'services']) || str_starts_with($namespace, 'when@')) {continue;}if (!\is_array($values) && null !== $values) {$values = [];}$this->container->loadFromExtension($namespace, $values);}}private function checkDefinition(string $id, array $definition, string $file){if ($this->isLoadingInstanceof) {$keywords = self::INSTANCEOF_KEYWORDS;} elseif (isset($definition['resource']) || isset($definition['namespace'])) {$keywords = self::PROTOTYPE_KEYWORDS;} else {$keywords = self::SERVICE_KEYWORDS;}foreach ($definition as $key => $value) {if (!isset($keywords[$key])) {throw new InvalidArgumentException(sprintf('The configuration key "%s" is unsupported for definition "%s" in "%s". Allowed configuration keys are "%s".', $key, $id, $file, implode('", "', $keywords)));}}}private function validateAttributes(string $message, array $attributes, array $path = []): void{foreach ($attributes as $name => $value) {if (\is_array($value)) {$this->validateAttributes($message, $value, [...$path, $name]);} elseif (!\is_scalar($value ?? '')) {$name = implode('.', [...$path, $name]);throw new InvalidArgumentException(sprintf($message, $name));}}}}