/**
* @param $field
* @param $context
*
* @return array
* @throws \RuntimeException
*/
protected function resolveContext($field, $context)
{
$result = null;
if ($context instanceof ContextInterface) {
$result = array($field, $context);
} else {
if (is_string($field) && is_string($context)) {
$result = array($field, new ValueContext($context, $this->factory->getPropertyAccessEngine()));
} else {
if (is_numeric($field) && is_string($context)) {
$result = array($context, new ValueContext($context, $this->factory->getPropertyAccessEngine()));
} else {
throw new \RuntimeException('Can not determine context');
}
}
}
return $result;
}
/**
* @param $accessor
*
* @return UnwindArrayContext
*/
public function unwindArray($accessor)
{
$context = new UnwindArrayContext($accessor, $this->factory->getPropertyAccessEngine());
return $context;
}
