/**
* Returns the migration namespace and class name.
* @param string $fileContents Specifies the file contents.
* @return array|null Returns an array with keys 'class', 'namespace'.
* Returns null if the parsing fails.
*/
public function extractMigrationInfoFromSource($fileContents)
{
$stream = new PhpSourceStream($fileContents);
$result = [];
while ($stream->forward()) {
$tokenCode = $stream->getCurrentCode();
if ($tokenCode == T_NAMESPACE) {
$namespace = $this->extractNamespace($stream);
if ($namespace === null) {
return null;
}
$result['namespace'] = $namespace;
}
if ($tokenCode == T_CLASS) {
$className = $this->extractClassName($stream);
if ($className === null) {
return null;
}
$result['class'] = $className;
}
}
if (!$result) {
return null;
}
return $result;
}
/**
* Extracts names and types of model relations.
* @param string $fileContents Specifies the file contents.
* @return array|null Returns an array with keys matching the relation types and values containing relation names as array.
* Returns null if the parsing fails.
*/
public function extractModelRelationsFromSource($fileContents)
{
$result = [];
$stream = new PhpSourceStream($fileContents);
while ($stream->forward()) {
$tokenCode = $stream->getCurrentCode();
if ($tokenCode == T_PUBLIC) {
$relations = $this->extractRelations($stream);
if ($relations === false) {
continue;
}
}
}
if (!$result) {
return null;
}
return $result;
}