openFile static method
Opens the RAR archive from the specified universal_io file.
This method implements the Factory Method design pattern.
Returns a RarFile instance that can be used to read and extract files. Throws a RarException if the file cannot be opened, has an invalid signature, or fails header parsing.
Implementation
static Future<RarFile> openFile({required File file}) {
return RarFileImpl.openFile(file);
}