/**
* Returns a new instance which will include the passed parameter. If a parameter with that key already exist, it
* WILL NOT be overridden.
*
* @param Parameter $parameter
*
* @return self
*/
public function with(Parameter $parameter) : self
{
$key = $parameter->getKey();
$clone = clone $this;
if (false === $clone->has($key)) {
$clone->parameters[$key] = $parameter->getValue();
}
return $clone;
}
/**
* {@inheritdoc}
*
* @param Parameter $parameter
*
* @throws ParameterNotFoundException
*/
public function resolve(Parameter $parameter, ParameterBag $unresolvedParameters, ParameterBag $resolvedParameters, ResolvingContext $context = null) : ParameterBag
{
$context = ResolvingContext::createFrom($context, $parameter->getKey());
$self = $this;
$value = preg_replace_callback(self::PATTERN, function ($match) use($self, $context, $unresolvedParameters, &$resolvedParameters, $parameter) {
$key = $match['parameter'];
$resolvedParameters = $self->resolveStringKey($self->resolver, $parameter, $key, $unresolvedParameters, $resolvedParameters, $context);
return $resolvedParameters->get($key);
}, $parameter->getValue());
return $resolvedParameters->with($parameter->withValue($value));
}
/**
* @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;
}
public function testCanOnlyResolveStringValues()
{
$resolver = new StringParameterResolver();
$parameter = new Parameter('foo', null);
$this->assertTrue($resolver->canResolve($parameter->withValue('string')));
$this->assertFalse($resolver->canResolve($parameter->withValue(null)));
$this->assertFalse($resolver->canResolve($parameter->withValue(10)));
$this->assertFalse($resolver->canResolve($parameter->withValue(0.75)));
$this->assertFalse($resolver->canResolve($parameter->withValue([])));
$this->assertFalse($resolver->canResolve($parameter->withValue(new \stdClass())));
$this->assertFalse($resolver->canResolve($parameter->withValue(function () {
})));
}
public static function createForWhenResolvingParameter(string $key, Parameter $parameter) : ParameterNotFoundException
{
return new ParameterNotFoundException(sprintf('Could not find the parameter "%s" when resolving "%s".', $key, $parameter->getKey()));
}
/**
* @inheritdoc
*/
public function canResolve(Parameter $parameter) : bool
{
$value = $parameter->getValue();
return null === $value || is_bool($value) || is_numeric($value) || is_object($value);
}
