/**
* Builds an Enum instance from a given set of data.
*
* @param array $data
*
* @return EnumDescriptor|null
*
* @throws \InvalidArgumentException
*/
private function parse(array $data)
{
// generate id
$enumId = EnumId::fromString(sprintf('%s:%s', $data['namespace'], $data['name']));
// force default type to be "string"
if (!isset($data['type'])) {
$data['type'] = 'string';
}
$values = [];
$keys = $this->fixArray($data['option'], 'key');
foreach ($keys as $key) {
$values[strtoupper($key['key'])] = $data['type'] == 'int' ? intval($key['value']) : (string) $key['value'];
}
if (count($values) === 0) {
return;
}
if (array_search('unknown', array_map('strtolower', array_keys($values))) === false) {
throw new \InvalidArgumentException(sprintf('Enum "%s" require an "UNKNOWN" key that will be used as default value.', $enumId->toString()));
}
// add enums language options
$languages = $this->getLanguageOptions($data);
$isDeprecated = isset($data['deprecated']) && $data['deprecated'];
return new EnumDescriptor($enumId, $data['type'], $values, $languages, $isDeprecated);
}
/**
* @return string
*/
public function toString()
{
return $this->id->toString();
}