protected PhpArrayContainer::resolveServicesAndParameters($arguments)
Resolves arguments that represent services or variables to the real values.
Parameters
array|\stdClass $arguments: The arguments to resolve.
Return value
array The resolved arguments.
Throws
\Symfony\Component\DependencyInjection\Exception\RuntimeException If a parameter/service could not be resolved.
\Symfony\Component\DependencyInjection\Exception\InvalidArgumentException If an unknown type is met while resolving parameters and services.
Overrides Container::resolveServicesAndParameters
File
- core/lib/Drupal/Component/DependencyInjection/PhpArrayContainer.php, line 185
Class
- PhpArrayContainer
- Provides a container optimized for Drupal's needs.
Namespace
Drupal\Component\DependencyInjection
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | protected function resolveServicesAndParameters($arguments) { // This method is different from the parent method only for the following // cases: // - A service is denoted by '@service' and not by a \stdClass object. // - A parameter is denoted by '%parameter%' and not by a \stdClass object. // - The depth of the tree representing the arguments is not known in // advance, so it needs to be fully traversed recursively. foreach ($arguments as $key => $argument) { if ($argument instanceof \stdClass) { $type = $argument->type; // Private services are a special flavor: In case a private service is // only used by one other service, the ContainerBuilder uses a // Definition object as an argument, which does not have an ID set. // Therefore the format uses a \stdClass object to store the definition // and to be able to create the service on the fly. // // Note: When constructing a private service by hand, 'id' must be set. // // The PhpArrayDumper just uses the hash of the private service // definition to generate a unique ID. // // @see \Drupal\Component\DependecyInjection\Dumper\OptimizedPhpArrayDumper::getPrivateServiceCall if ($type == 'private_service') { $id = $argument->id; // Check if the private service already exists - in case it is shared. if (!empty($argument->shared) && isset($this->privateServices[$id])) { $arguments[$key] = $this->privateServices[$id]; continue; } // Create a private service from a service definition. $arguments[$key] = $this->createService($argument->value, $id); if (!empty($argument->shared)) { $this->privateServices[$id] = $arguments[$key]; } continue; } if ($type !== NULL) { throw new InvalidArgumentException("Undefined type '$type' while resolving parameters and services."); } } if (is_array($argument)) { $arguments[$key] = $this->resolveServicesAndParameters($argument); continue; } if (!is_string($argument)) { continue; } // Resolve parameters. if ($argument[0] === '%') { $name = substr($argument, 1, -1); if (!isset($this->parameters[$name])) { $arguments[$key] = $this->getParameter($name); // This can never be reached as getParameter() throws an Exception, // because we already checked that the parameter is not set above. } $argument = $this->parameters[$name]; $arguments[$key] = $argument; } // Resolve services. if ($argument[0] === '@') { $id = substr($argument, 1); $invalid_behavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE; if ($id[0] === '?') { $id = substr($id, 1); $invalid_behavior = ContainerInterface::NULL_ON_INVALID_REFERENCE; } if (isset($this->services[$id])) { $arguments[$key] = $this->services[$id]; } else { $arguments[$key] = $this->get($id, $invalid_behavior); } } } return $arguments;} |
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