1 {-# LANGUAGE OverloadedStrings #-}
3 module NmcJson ( NmcRes(..)
9 import Data.ByteString.Lazy (ByteString)
10 import Data.Map as M (Map, lookup)
11 import Control.Applicative ((<$>), (<*>), empty)
14 data NmcRRService = NmcRRService -- unused
23 instance FromJSON NmcRRService where
24 parseJSON (Object o) = NmcRRService
33 data NmcRRI2p = NmcRRI2p
34 { i2pDestination :: String
39 instance FromJSON NmcRRI2p where
40 parseJSON (Object o) = NmcRRI2p
41 <$> o .: "destination"
46 data NmcDom = NmcDom { domService :: Maybe [[String]] -- [NmcRRService]
47 , domIp :: Maybe [String]
48 , domIp6 :: Maybe [String]
49 , domTor :: Maybe String
50 , domI2p :: Maybe NmcRRI2p
51 , domFreenet :: Maybe String
52 , domAlias :: Maybe String
53 , domTranslate :: Maybe String
54 , domEmail :: Maybe String
55 , domLoc :: Maybe String
56 , domInfo :: Maybe Value
57 , domNs :: Maybe [String]
58 , domDelegate :: Maybe [String]
59 , domImport :: Maybe [[String]]
60 , domMap :: Maybe (Map String NmcDom)
61 , domFingerprint :: Maybe [String]
62 , domTls :: Maybe (Map String
63 (Map String [[String]]))
64 , domDs :: Maybe [[String]]
67 instance FromJSON NmcDom where
68 parseJSON (Object o) = NmcDom
84 <*> o .:? "fingerprint"
89 emptyNmcDom = NmcDom Nothing Nothing Nothing Nothing Nothing Nothing
90 Nothing Nothing Nothing Nothing Nothing Nothing
91 Nothing Nothing Nothing Nothing Nothing Nothing
93 data NmcRes = NmcRes { resName :: String
94 , resValue :: ByteString -- string with NmcDom
96 , resAddress :: String
97 , resExpires_in :: Int
99 instance FromJSON NmcRes where
100 parseJSON (Object o) = NmcRes
105 <*> o .: "expires_in"
108 normalizeDom :: NmcDom -> NmcDom
110 | domNs dom /= Nothing = emptyNmcDom { domNs = domNs dom
111 , domEmail = domEmail dom
113 | domDelegate dom /= Nothing = emptyNmcDom -- FIXME
114 | domTranslate dom /= Nothing = dom { domMap = Nothing }
117 descendNmc :: [String] -> NmcDom -> NmcDom
118 descendNmc subdom rawdom =
119 let dom = normalizeDom rawdom
125 case M.lookup "" map of -- Stupid, but there are "" in the map
126 Nothing -> dom -- Try to merge it with the root data
127 Just sub -> mergeNmc sub dom -- Or maybe drop it altogether...
130 Nothing -> emptyNmcDom
132 case M.lookup d map of
133 Nothing -> emptyNmcDom
134 Just sub -> descendNmc ds sub
136 -- FIXME -- I hope there exists a better way to merge records!
137 mergeNmc :: NmcDom -> NmcDom -> NmcDom
138 mergeNmc sub dom = dom { domService = choose domService
139 , domIp = choose domIp
140 , domIp6 = choose domIp6
141 , domTor = choose domTor
142 , domI2p = choose domI2p
143 , domFreenet = choose domFreenet
144 , domAlias = choose domAlias
145 , domTranslate = choose domTranslate
146 , domEmail = choose domEmail
147 , domLoc = choose domLoc
148 , domInfo = choose domInfo
149 , domNs = choose domNs
150 , domDelegate = choose domDelegate
151 , domImport = choose domImport
152 , domFingerprint = choose domFingerprint
153 , domTls = choose domTls
154 , domDs = choose domDs
157 choose :: (NmcDom -> Maybe a) -> Maybe a
158 choose field = case field dom of