public function visitArray($data, Type $type, Context $context)
{
if (!is_array($data)) {
throw new RuntimeException(sprintf('Expected array, but got %s: %s', gettype($data), json_encode($data)));
}
// If no further parameters were given, keys/values are just passed as is.
if (!$type->hasParam(0)) {
$this->setData($data);
return $data;
}
switch ($type->countParams()) {
case 1:
// Array is a list.
$listType = $type->getParam(0);
$result = [];
foreach ($data as $v) {
$result[] = $context->accept($v, $listType);
}
$this->setData($result);
return $result;
case 2:
// Array is a map.
$keyType = $type->getParam(0);
$entryType = $type->getParam(1);
$result = [];
foreach ($data as $k => $v) {
$result[$context->accept($k, $keyType)] = $context->accept($v, $entryType);
}
$this->setData($result);
return $result;
default:
throw new RuntimeException(sprintf('Array type cannot have more than 2 parameters, but got %s.', json_encode($type->getParams())));
}
}
protected function getElementType(Type $type)
{
if (0 === $type->countParams()) {
return null;
}
$params = $type->getParams();
if (isset($params[1]) && $params[1] instanceof Type) {
return $params[1];
}
return $params[0];
}
