/**
* parseHostVars
*
* @param RouteInterface $route
*
* @return array
*/
private static function parseHostVars(RouteInterface $route)
{
if (null === ($host = $route->getHost())) {
return ['expression' => null, 'tokens' => []];
}
return self::transpilePattern($host, true, $route->getConstraints(), $route->getDefaults());
}
/**
* getPathPrefix
*
* @param RouteInterface $route
* @param array $parameters
* @param mixed $host
*
* @return mixed
*/
private function getPathPrefix(RouteInterface $route, $host = null)
{
$context = $route->getContext();
if (null === $host) {
$host = $route->getHost() ? $route->getHost() : $this->request->getHost();
}
if (null !== $route->getHost() && !(bool) preg_match($context->getHostRegex(), $host)) {
throw new \InvalidArgumentException('Host requirement does not match given host.');
}
return sprintf('%s://%s', $this->getRouteProtocol($route, $this->getRequest()), $host);
}
