--- | Convert map elements of the form "subN...sub2.sub1.dom.bit"
--- into nested map and merge it
-splitSubdoms :: NmcDom -> NmcDom
-splitSubdoms base =
- let
- base' = base { domSubmap = Nothing }
- in
- case domSubmap base of
- Nothing -> base'
- Just sdmap -> (def { domSubmap = Just sdmap' }) `merge` base'
- where
- sdmap' = foldrWithKey stow empty sdmap
- stow fqdn sdom acc = insertWith merge fqdn' sdom' acc
- where
- (fqdn', sdom') =
- nest (filter (/= "") (splitOnDots fqdn), sdom)
- splitOnDots s = map unpack (splitOn (pack ".") (pack s))
- nest ([], v) = (fqdn, v) -- can split result be empty?
- nest ([k], v) = (k, v)
- nest (k:ks, v) =
- nest (ks, def { domSubmap = Just (singleton k v) })
-