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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\DependencyInjection\Loader;
use Symfony\Component\DependencyInjection\Alias;
use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
use Symfony\Component\DependencyInjection\Argument\BoundArgument;
use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
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 static $serviceKeywords = [
'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',
'autowire' => 'autowire',
'autoconfigure' => 'autoconfigure',
'bind' => 'bind',
];
private static $prototypeKeywords = [
'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 static $instanceofKeywords = [
'shared' => 'shared',
'lazy' => 'lazy',
'public' => 'public',
'properties' => 'properties',
'configurator' => 'configurator',
'calls' => 'calls',
'tags' => 'tags',
'autowire' => 'autowire',
'bind' => 'bind',
];
private static $defaultsKeywords = [
'public' => 'public',
'tags' => 'tags',
'autowire' => 'autowire',
'autoconfigure' => 'autoconfigure',
'bind' => 'bind',
];
private $yamlParser;
private $anonymousServicesCount;
private $anonymousServicesSuffix;
/**
* {@inheritdoc}
*/
public function load($resource, $type = null)
{
$path = $this->locator->locate($resource);
$content = $this->loadFile($path);
$this->container->fileExists($path);
// empty file
if (null === $content) {
return;
}
// imports
$this->parseImports($content, $path);
// parameters
if (isset($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 {
$this->instanceof = [];
}
}
/**
* {@inheritdoc}
*/
public function supports($resource, $type = null)
{
if (!\is_string($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'], isset($import['type']) ? $import['type'] : null, isset($import['ignore_errors']) ? (bool) $import['ignore_errors'] : false, $file);
}
}
private function parseDefinitions(array $content, string $file)
{
if (!isset($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($instanceof)) {
throw new InvalidArgumentException(sprintf('Service "_instanceof" key must be an array, "%s" given in "%s".', \gettype($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) && 0 === strpos($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, []);
}
}
$this->isLoadingInstanceof = false;
$defaults = $this->parseDefaults($content, $file);
foreach ($content['services'] as $id => $service) {
$this->parseDefinition($id, $service, $file, $defaults);
}
}
/**
* @throws InvalidArgumentException
*/
private function parseDefaults(array &$content, string $file): array
{
if (!\array_key_exists('_defaults', $content['services'])) {
return [];
}
$defaults = $content['services']['_defaults'];
unset($content['services']['_defaults']);
if (!\is_array($defaults)) {
throw new InvalidArgumentException(sprintf('Service "_defaults" key must be an array, "%s" given in "%s".', \gettype($defaults), $file));
}
foreach ($defaults as $key => $default) {
if (!isset(self::$defaultsKeywords[$key])) {
throw new InvalidArgumentException(sprintf('The configuration key "%s" cannot be used to define a default value in "%s". Allowed keys are "%s".', $key, $file, implode('", "', self::$defaultsKeywords)));
}
}
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' => $tag];
}
if (!isset($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.', $file));
}
foreach ($tag as $attribute => $value) {
if (!is_scalar($value) && null !== $value) {
throw new InvalidArgumentException(sprintf('Tag "%s", attribute "%s" in "_defaults" must be of a scalar-type in %s. Check your YAML syntax.', $name, $attribute, $file));
}
}
}
}
if (isset($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])) {
return false;
}
}
return true;
}
/**
* Parses a definition.
*
* @param string $id
* @param array|string $service
* @param string $file
* @param array $defaults
*
* @throws InvalidArgumentException When tags are invalid
*/
private function parseDefinition($id, $service, $file, array $defaults)
{
if (preg_match('/^_[a-zA-Z0-9_]*$/', $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) && 0 === strpos($service, '@')) {
$this->container->setAlias($id, $alias = new Alias(substr($service, 1)));
if (isset($defaults['public'])) {
$alias->setPublic($defaults['public']);
}
return;
}
if (\is_array($service) && $this->isUsingShortSyntax($service)) {
$service = ['arguments' => $service];
}
if (null === $service) {
$service = [];
}
if (!\is_array($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.', \gettype($service), $id, $file));
}
$this->checkDefinition($id, $service, $file);
if (isset($service['alias'])) {
$this->container->setAlias($id, $alias = new Alias($service['alias']));
if (\array_key_exists('public', $service)) {
$alias->setPublic($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) {
$alias->setDeprecated(true, $value);
}
}
return;
}
if ($this->isLoadingInstanceof) {
$definition = new ChildDefinition('');
} elseif (isset($service['parent'])) {
if (!empty($this->instanceof)) {
throw new InvalidArgumentException(sprintf('The service "%s" cannot use the "parent" option in the same file where "_instanceof" configuration is defined as using both is not supported. Move your child definitions to a separate file.', $id));
}
foreach ($defaults as $k => $v) {
if ('tags' === $k) {
// since tags are never inherited from parents, there is no confusion
// thus we can safely add them as defaults to ChildDefinition
continue;
}
if ('bind' === $k) {
throw new InvalidArgumentException(sprintf('Attribute "bind" on service "%s" cannot be inherited from "_defaults" when a "parent" is set. Move your child definitions to a separate file.', $id));
}
if (!isset($service[$k])) {
throw new InvalidArgumentException(sprintf('Attribute "%s" on service "%s" cannot be inherited from "_defaults" when a "parent" is set. Move your child definitions to a separate file or define this attribute explicitly.', $k, $id));
}
}
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 (\array_key_exists('deprecated', $service)) {
$definition->setDeprecated(true, $service['deprecated']);
}
if (isset($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 $call) {
if (isset($call['method'])) {
$method = $call['method'];
$args = isset($call['arguments']) ? $this->resolveServices($call['arguments'], $file) : [];
$returnsClone = $call['returns_clone'] ?? false;
} else {
$method = $call[0];
$args = isset($call[1]) ? $this->resolveServices($call[1], $file) : [];
$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));
}
$definition->addMethodCall($method, $args, $returnsClone);
}
}
$tags = isset($service['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' => $tag];
}
if (!isset($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, $file));
}
foreach ($tag as $attribute => $value) {
if (!is_scalar($value) && null !== $value) {
throw new InvalidArgumentException(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, $attribute, $file));
}
}
$definition->addTag($name, $tag);
}
if (isset($service['decorates'])) {
if ('' !== $service['decorates'] && '@' === $service['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, $service['decorates'], substr($service['decorates'], 1)));
}
$renameId = isset($service['decoration_inner_name']) ? $service['decoration_inner_name'] : null;
$priority = isset($service['decoration_priority']) ? $service['decoration_priority'] : 0;
$definition->setDecoratedService($service['decorates'], $renameId, $priority);
}
if (isset($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
$bindings = isset($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, true, $bindingType, $file);
}
}
}
$definition->setBindings($bindings);
}
if (isset($service['autoconfigure'])) {
if (!$definition instanceof ChildDefinition) {
$definition->setAutoconfigured($service['autoconfigure']);
} elseif ($service['autoconfigure']) {
throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also have "autoconfigure". Try setting "autoconfigure: false" for the service.', $id));
}
}
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 (\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));
}
$exclude = isset($service['exclude']) ? $service['exclude'] : null;
$namespace = isset($service['namespace']) ? $service['namespace'] : $id;
$this->registerClasses($definition, $namespace, $service['resource'], $exclude);
} else {
$this->setDefinition($id, $definition);
}
}
/**
* Parses a callable.
*
* @param string|array $callable A callable reference
* @param string $parameter The type of callable (e.g. 'factory' or 'configurator')
*
* @throws InvalidArgumentException When errors occur
*
* @return string|array|Reference A parsed callable
*/
private function parseCallable($callable, string $parameter, string $id, string $file)
{
if (\is_string($callable)) {
if ('' !== $callable && '@' === $callable[0]) {
if (false === strpos($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), $file));
}
if (false !== strpos($callable, ':') && false === strpos($callable, '::')) {
$parts = explode(':', $callable);
@trigger_error(sprintf('Using short %s syntax for service "%s" is deprecated since Symfony 4.4, use "[\'@%s\', \'%s\']" instead.', $parameter, $id, ...$parts), E_USER_DEPRECATED);
return [$this->resolveServices('@'.$parts[0], $file), $parts[1]];
}
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.
*
* @param string $file
*
* @return array The file content
*
* @throws InvalidArgumentException when the given file is not a local file or when it does not exist
*/
protected function loadFile($file)
{
if (!class_exists('Symfony\Component\Yaml\Parser')) {
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".', $file));
}
if (!file_exists($file)) {
throw new InvalidArgumentException(sprintf('The file "%s" does not exist.', $file));
}
if (null === $this->yamlParser) {
$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: %s', $file, $e->getMessage()), 0, $e);
}
return $this->validate($configuration, $file);
}
/**
* Validates a YAML file.
*
* @param mixed $content
* @param string $file
*
* @return array
*
* @throws InvalidArgumentException When service file is not valid
*/
private function validate($content, $file)
{
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'])) {
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;
}
/**
* Resolves services.
*
* @param mixed $value
* @param string $file
* @param bool $isParameter
*
* @return array|string|Reference|ArgumentInterface
*/
private function resolveServices($value, $file, $isParameter = false)
{
if ($value instanceof TaggedValue) {
$argument = $value->getValue();
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, $isParameter);
try {
return new IteratorArgument($argument);
} catch (InvalidArgumentException $e) {
throw new InvalidArgumentException(sprintf('"!iterator" tag only accepts arrays of "@service" references in "%s".', $file));
}
}
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, $isParameter);
try {
return new ServiceLocatorArgument($argument);
} catch (InvalidArgumentException $e) {
throw new InvalidArgumentException(sprintf('"!service_locator" tag only accepts maps of "@service" references in "%s".', $file));
}
}
if (\in_array($value->getTag(), ['tagged', 'tagged_locator'], true)) {
$forLocator = 'tagged_locator' === $value->getTag();
if (\is_string($argument) && $argument) {
return new TaggedIteratorArgument($argument, null, null, $forLocator);
}
if (\is_array($argument) && isset($argument['tag']) && $argument['tag']) {
if ($diff = array_diff(array_keys($argument), ['tag', 'index_by', 'default_index_method'])) {
throw new InvalidArgumentException(sprintf('"!%s" tag contains unsupported key "%s"; supported ones are "tag", "index_by" and "default_index_method".', $value->getTag(), implode('"", "', $diff)));
}
$argument = new TaggedIteratorArgument($argument['tag'], $argument['index_by'], $argument['default_index_method'] ?? null, $forLocator);
if ($forLocator) {
$argument = new ServiceLocatorArgument($argument);
}
return $argument;
}
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 ('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('/^.*\\\\/', '', isset($argument['class']) ? $argument['class'] : '').$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)->setPublic(false);
$this->isLoadingInstanceof = $isLoadingInstanceof;
$this->instanceof = $instanceof;
return new Reference($id);
}
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) && 0 === strpos($value, '@=')) {
if (!class_exists(Expression::class)) {
throw new \LogicException(sprintf('The "@=" expression syntax cannot be used without the ExpressionLanguage component. Try running "composer require symfony/expression-language".'));
}
return new Expression(substr($value, 2));
} elseif (\is_string($value) && 0 === strpos($value, '@')) {
if (0 === strpos($value, '@@')) {
$value = substr($value, 1);
$invalidBehavior = null;
} elseif (0 === strpos($value, '@!')) {
$value = substr($value, 2);
$invalidBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;
} elseif (0 === strpos($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;
}
/**
* Loads from Extensions.
*/
private function loadFromExtensions(array $content)
{
foreach ($content as $namespace => $values) {
if (\in_array($namespace, ['imports', 'parameters', 'services'])) {
continue;
}
if (!\is_array($values) && null !== $values) {
$values = [];
}
$this->container->loadFromExtension($namespace, $values);
}
}
/**
* Checks the keywords used to define a service.
*
* @param string $id The service name
* @param array $definition The service definition to check
* @param string $file The loaded YAML file
*/
private function checkDefinition($id, array $definition, $file)
{
if ($this->isLoadingInstanceof) {
$keywords = self::$instanceofKeywords;
} elseif (isset($definition['resource']) || isset($definition['namespace'])) {
$keywords = self::$prototypeKeywords;
} else {
$keywords = self::$serviceKeywords;
}
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)));
}
}
}
}
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