Resolves a parameter value.
|
public resolve ( |
||
| $parameter | Unresolved parameter | |
| $unresolvedParameters | ||
| $resolvedParameters | ||
| return | Contains all the resolved parameters (as parameter are dynamics, resolving 1 parameter may result in resolving several other parameters). | |
/**
* @inheritdoc
*/
public function resolve(ParameterBag $unresolvedParameters, ParameterBag $injectedParameters = null) : ParameterBag
{
$resolvedParameters = null === $injectedParameters ? new ParameterBag() : $injectedParameters;
foreach ($unresolvedParameters as $key => $value) {
if ($resolvedParameters->has($key)) {
continue;
}
$context = new ResolvingContext($key);
$resolvedParameters = $this->resolver->resolve(new Parameter($key, $value), $unresolvedParameters, $resolvedParameters, $context);
}
return $resolvedParameters;
}
/**
* @inheritdoc
*/
public function resolve(Parameter $unresolvedArrayParameter, ParameterBag $unresolvedParameters, ParameterBag $resolvedParameters, ResolvingContext $context = null) : ParameterBag
{
if (null === $this->resolver) {
throw ResolverNotFoundExceptionFactory::createUnexpectedCall(__METHOD__);
}
$context = ResolvingContext::createFrom($context, $unresolvedArrayParameter->getKey());
$resolvedArray = [];
/* @var array $unresolvedArray */
$unresolvedArray = $unresolvedArrayParameter->getValue();
foreach ($unresolvedArray as $index => $unresolvedValue) {
// Iterate over all the values of the array to resolve each of them
$resolvedParameters = $this->resolver->resolve(new Parameter((string) $index, $unresolvedValue), $unresolvedParameters, $resolvedParameters, $context);
$resolvedArray[$index] = $resolvedParameters->get((string) $index);
$resolvedParameters = $resolvedParameters->without((string) $index);
}
$resolvedParameters = $resolvedParameters->with($unresolvedArrayParameter->withValue($resolvedArray));
return $resolvedParameters;
}
/**
* @param ParameterResolverInterface $resolver
* @param Parameter $parameter Parameter being resolved
* @param string $key Key of the parameter that need to be resolved to resolve $parameter
* @param ParameterBag $unresolvedParameters
* @param ParameterBag $resolvedParameters
* @param ResolvingContext $context
*
* @return ParameterBag
*/
private function resolveStringKey(ParameterResolverInterface $resolver = null, Parameter $parameter, string $key, ParameterBag $unresolvedParameters, ParameterBag $resolvedParameters, ResolvingContext $context) : ParameterBag
{
if ($resolvedParameters->has($key)) {
return $resolvedParameters;
}
if (false === $unresolvedParameters->has($key)) {
throw ParameterNotFoundExceptionFactory::createForWhenResolvingParameter($key, $parameter);
}
$context->checkForCircularReference($key);
$context->add($key);
if (null === $resolver) {
throw ResolverNotFoundExceptionFactory::createUnexpectedCall(__METHOD__);
}
return $resolver->resolve(new Parameter($key, $unresolvedParameters->get($key)), $unresolvedParameters, $resolvedParameters, $context);
}