numerals-0.4.1: src/Text/Numeral/Language/CES.hs
{-|
[@ISO639-1@] cs
[@ISO639-2B@] cze
[@ISO639-2T@] ces
[@ISO639-3@] ces
[@Native name@] Čeština
[@English name@] Czech
-}
module Text.Numeral.Language.CES
( -- * Language entry
entry
-- * Conversions
, cardinal
-- * Structure
, struct
-- * Bounds
, bounds
) where
-------------------------------------------------------------------------------
-- Imports
-------------------------------------------------------------------------------
import qualified "containers" Data.Map as M
import "this" Text.Numeral
import qualified "this" Text.Numeral.BigNum as BN
import "this" Text.Numeral.Misc ( dec )
import "this" Text.Numeral.Entry
import "this" Text.Numeral.Language.POL ( struct )
import "text" Data.Text ( Text )
-------------------------------------------------------------------------------
-- CES
-------------------------------------------------------------------------------
entry :: Entry
entry = emptyEntry
{ entIso639_1 = Just "cs"
, entIso639_2 = ["cze", "ces"]
, entIso639_3 = Just "ces"
, entNativeNames = ["Čeština"]
, entEnglishName = Just "Czech"
, entCardinal = Just Conversion
{ toNumeral = cardinal
, toStructure = struct
}
}
cardinal :: (Integral a) => Inflection -> a -> Maybe Text
cardinal inf = cardinalRepr inf . struct
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.pelletierRepr (quantityRepr "ilión" "ilióny" "iliónů")
(quantityRepr "iliarda" "iliarda" "iliarda")
[]
, reprAdd = Just (⊞)
, reprMul = Just (⊡)
}
where
(Lit n ⊞ Lit 10) _ | n <= 9 = ""
(_ ⊞ _ ) _ = " "
(_ ⊡ Lit 10 ) _ = ""
(_ ⊡ Lit 100) _ = " "
(_ ⊡ _ ) _ = " "
quantityRepr :: Text -> Text -> Text -> BN.PostfixRepr
quantityRepr s p1 p2 _ ctx =
case ctx of
CtxMul _ (Lit 1) _ -> s
CtxMul _ (Lit n) _ | n <= 4 -> p1
CtxMul {} -> p2
_ -> s
syms =
M.fromList
[ (0, const "nula")
, (1, \c -> case c of
CtxAdd _ (Lit 10) _ -> "jede"
CtxAdd {} -> "jedna"
_ -> "jeden"
)
, (2, \c -> case c of
CtxMul _ (Lit 100) _ -> "dvě"
_ -> "dva"
)
, (3, const "tři")
, (4, \c -> case c of
CtxAdd _ (Lit 10) _ -> "ctr"
_ -> "čtyři"
)
, (5, \c -> case c of
CtxAdd _ (Lit 10) _ -> "pat"
CtxMul _ (Lit 10) _ -> "pa"
_ -> "pět"
)
, (6, \c -> case c of
CtxMul _ (Lit 10) _ -> "še"
_ -> "šest"
)
, (7, const "sedm")
, (8, const "osm")
, (9, \c -> case c of
CtxAdd _ (Lit 10) _ -> "devate"
CtxMul _ (Lit 10) _ -> "devá"
_ -> "devět"
)
, (10, \c -> case c of
CtxAdd R (Lit n) _
| n <= 9 -> "náct"
CtxMul R (Lit n) _
| n <= 4 -> "cet"
| otherwise -> "desát"
_ -> "deset"
)
, (100, \c -> case c of
CtxMul _ (Lit n) _
| n == 2 -> "stě"
| n <= 4 -> "sta"
| n <= 9 -> "set"
_ -> "sto"
)
, (1000, \c -> case c of
CtxMul _ (Lit n) _ | n <= 4 -> "tisíce"
_ -> "tisíc"
)
]