/**
* Forward to DOMXPath->registerNamespace()
*
* @param string $prefix The prefix to use
* @param string $uri The uri to assign to this prefix
*
* @throws fDOMException
*
* @return void
*/
public function registerNamespace($prefix, $uri)
{
if (is_null($this->xp)) {
$this->getDOMXPath();
}
if (!$this->xp->registerNamespace($prefix, $uri)) {
throw new fDOMException("Registering namespace '{$uri}' with prefix '{$prefix}' failed.", fDOMException::RegistrationFailed);
}
$this->prefixes[$prefix] = $uri;
}
