normalizeArchiveLookupPath function
Normalizes a member lookup path: / separators, . segments dropped.
Returns null when the path escapes via .. (omp's
normalizeArchiveLookupPath).
Implementation
String? normalizeArchiveLookupPath(String? rawPath) {
if (rawPath == null || rawPath.isEmpty) return '';
final segments = rawPath.replaceAll('\\', '/').split('/');
final normalizedSegments = <String>[];
for (final segment in segments) {
if (segment.isEmpty || segment == '.') continue;
if (segment == '..') return null;
normalizedSegments.add(segment);
}
return normalizedSegments.join('/');
}