/**
* Compute string parameter.
*
* @param mixed $name
* @param mixed $value
*
* @return string
*/
private function computeStringParameter($name, $value)
{
$name = strtolower($name);
$resolved = $this->parameter->get($name);
// Only scalar type can be used in string value.
if (!is_scalar($resolved)) {
throw new InvalidArgumentException(sprintf('Parameter "%s" cannot use type %s inside string value "%s".', $name, gettype($resolved), $value));
}
return (string) $resolved;
}
/**
* Compute parameter value.
*
* @param mixed $parameter
*
* @return array|mixed|null
*/
protected function computeParameterValue($parameter)
{
$name = $this->getParameterName($parameter);
if ($this->parameter->has($name)) {
$value = $this->parameter->get($name);
return $this->getParameterValue($value);
}
if (null !== ($instance = $this->computeParameterClass($parameter))) {
return $instance;
}
return null;
}
/**
* Compile parameter.
*
* Parameter become immutable.
*
* @return static
*/
public function compile()
{
$this->parameter->getResolver()->resolve();
$this->parameter = new ImmutableParameterBag($this->parameter->all());
return $this;
}