/**
* Creates a binding type descriptor.
*
* @param BindingType $type The described type.
* @param string|null $description A human-readable description of
* the type.
* @param string[] $parameterDescriptions Human-readable descriptions
* indexed by the type's parameter
* names.
*
* @throws NoSuchParameterException If a description is passed for an unset
* parameter.
*/
public function __construct(BindingType $type, $description = null, array $parameterDescriptions = array())
{
Assert::nullOrStringNotEmpty($description, 'The description must be a non-empty string or null. Got: %s');
Assert::allStringNotEmpty($parameterDescriptions, 'The parameter description must be a non-empty string. Got: %s');
$this->type = $type;
$this->description = $description;
foreach ($parameterDescriptions as $parameterName => $parameterDescription) {
if (!$type->hasParameter($parameterName)) {
throw NoSuchParameterException::forParameterName($parameterName, $type->getName());
}
$this->parameterDescriptions[$parameterName] = $parameterDescription;
}
}
private function assertParameterValuesValid(array $parameterValues, BindingType $type)
{
foreach ($parameterValues as $name => $value) {
if (!$type->hasParameter($name)) {
throw NoSuchParameterException::forParameterName($name, $type->getName());
}
}
foreach ($type->getParameters() as $parameter) {
if (!isset($parameterValues[$parameter->getName()])) {
if ($parameter->isRequired()) {
throw MissingParameterException::forParameterName($parameter->getName(), $type->getName());
}
}
}
}