module Text.Numeral.Language.NOB
(
entry
, cardinal
, struct
, bounds
) where
import "base" Data.Function ( fix )
import qualified "containers" Data.Map as M ( fromList, lookup )
import "this" Text.Numeral
import qualified "this" Text.Numeral.BigNum as BN
import "this" Text.Numeral.Misc ( dec )
import "this" Text.Numeral.Entry
import "text" Data.Text ( Text )
entry :: Entry
entry = emptyEntry
{ entIso639_1 = Just "nb"
, entIso639_2 = ["nob"]
, entIso639_3 = Just "nob"
, entNativeNames = ["Bokmål"]
, entEnglishName = Just "Norwegian Bokmål"
, entCardinal = Just Conversion
{ toNumeral = cardinal
, toStructure = struct
}
}
cardinal :: (Integral a) => Inflection -> a -> Maybe Text
cardinal inf = cardinalRepr inf . struct
struct :: (Integral a) => a -> Exp
struct = pos
$ fix
$ findRule ( 0, lit )
[ ( 13, add 10 L )
, ( 20, lit )
, ( 21, add 20 R )
, ( 30, mul 10 R L)
, ( 100, step 100 10 R L)
, (1000, step 1000 1000 R L)
]
(dec 6 1)
`combine` pelletierScale R L BN.rule
bounds :: (Integral a) => (a, a)
bounds = let x = dec 60000 1 in (negate x, x)
cardinalRepr :: Inflection -> Exp -> Maybe Text
cardinalRepr = render defaultRepr
{ reprValue = \_ n -> M.lookup n syms
, reprScale = BN.scaleRepr (BN.quantityName "illion" "illioner") []
, reprAdd = Just (⊞)
, reprMul = Just (⊡)
, reprNeg = Just $ \_ _ -> "minus "
}
where
(Lit 100 ⊞ _) _ = " "
(Lit 1000 ⊞ _) _ = " "
(_ ⊞ _) _ = ""
(_ ⊡ Lit 10 ) _ = ""
(_ ⊡ Lit 1000) _ = ""
(_ ⊡ _ ) _ = " "
syms =
M.fromList
[ (0, const "null")
, (1, \c -> case c of
CtxEmpty -> "én"
_ -> "en"
)
, (2, const "to")
, (3, tenForms "tre" "tret" "tret")
, (4, tenForms "fire" "fjor" "før")
, (5, const "fem")
, (6, const "seks")
, (7, tenForms "sju" "syt" "syt")
, (8, tenForms "åtte" "at" "åt")
, (9, tenForms "ni" "nit" "nit")
, (10, \c -> case c of
CtxAdd {} -> "ten"
_ -> "ti"
)
, (11, const "elleve")
, (12, const "tolv")
, (20, const "tjue")
, (100, const "hundre")
, (1000, const "tusen")
]
tenForms n a m = \c -> case c of
CtxAdd _ (Lit 10 ) _ -> a
CtxMul _ (Lit 100 ) _ -> n
CtxMul _ (Lit 1000) _ -> n
CtxMul {} -> m
_ -> n