module Text.Numeral.Language.NLD
(
entry
, cardinal
, ordinal
, partitive
, multiplicative
, struct
, bounds
) where
import "base" Data.Function ( fix )
import "base" Data.Monoid ( (<>) )
import qualified "containers" Data.Map as M
import "this" Text.Numeral hiding ( partitive, multiplicative )
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 "nl"
, entIso639_2 = ["dut"]
, entIso639_3 = Just "nld"
, entNativeNames = ["Nederlands"]
, entEnglishName = Just "Dutch"
, entCardinal = Just Conversion
{ toNumeral = cardinal
, toStructure = struct
}
, entOrdinal = Just Conversion
{ toNumeral = ordinal
, toStructure = struct
}
, entPartitive = Just Conversion
{ toNumeral = partitive
, toStructure = \(n, d) -> Frac (struct n) (struct d)
}
, entMultiplicative = Just Conversion
{ toNumeral = multiplicative
, toStructure = struct
}
}
cardinal :: (Integral a) => Inflection -> a -> Maybe Text
cardinal inf = cardinalRepr inf . struct
ordinal :: (Integral a) => Inflection -> a -> Maybe Text
ordinal inf = ordinalRepr "eerste" inf . struct
partitive :: (Integral a) => Inflection -> (a, a) -> Maybe Text
partitive inf (n, d) = do
n' <- cardinal inf {iCase = Nothing, iNumber = Just Singular} n
d' <- ordinalRepr "éénde" inf $ struct d
pure $ n' <> " " <> d'
multiplicative :: (Integral a) => Inflection -> a -> Maybe Text
multiplicative inf = fmap (<> "maal") . cardinal (noCase $ singular inf)
struct :: (Integral a) => a -> Exp
struct = pos
$ fix
$ findRule ( 0, lit )
[ ( 13, add 10 L )
, ( 20, mul 10 L 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)
genericRepr :: Repr
genericRepr = defaultRepr
{ reprAdd = Just (⊞)
, reprMul = Just $ \_ _ _ -> ""
, reprNeg = Just $ \_ _ -> "min "
}
where
(_ ⊞ Lit 10) _ = ""
(Lit n ⊞ _) _ | n `elem` [2,3] = "ën"
| n < 10 = "en"
| otherwise = ""
(_ ⊞ _) _ = ""
cardinalRepr :: Inflection -> Exp -> Maybe Text
cardinalRepr = render genericRepr
{ reprValue = \inf n -> M.lookup n (syms inf)
, reprScale = BN.pelletierRepr (\i c -> if doPlural i c then "iljoenen" else "iljoen")
(\i c -> if doPlural i c then "iljarden" else "iljard")
[]
}
where
doPlural :: Inflection -> Ctx Exp -> Bool
doPlural inf ctx = (isPlural inf || isDative inf) && isOutside R ctx
syms inf =
M.fromList
[ (0, const "nul")
, (1, pluralDative "één" "éénen" "éénen")
, (2, forms "twee" "twin" "tweeën" "tweeën")
, (3, forms "drie" "der" "drieën" "drieën")
, (4, forms "vier" "veer" "vieren" "vieren")
, (5, pluralDative "vijf" "vijven" "vijven")
, (6, pluralDative "zes" "zessen" "zessen")
, (7, pluralDative "zeven" "zevens" "zevenen")
, (8, \c -> case c of
CtxMul _ (Lit 10) _ -> "tach"
CtxAdd _ (Lit 10) _ -> "ach"
_ | dativeForm c || pluralForm c -> "achten"
| otherwise -> "acht"
)
, (9, pluralDative "negen" "negens" "negenen")
, (10, \c -> case c of
CtxAdd R _ _
| dativeForm c -> "tienen"
| pluralForm c -> "tiens"
CtxMul R _ _
| dativeForm c -> "tigen"
| pluralForm c -> "tigs"
| otherwise -> "tig"
_ | dativeForm c || pluralForm c -> "tienen"
| otherwise -> "tien"
)
, ( 11, pluralDative "elf" "elven" "elven")
, ( 12, pluralDative "twaalf" "twaalven" "twaalven")
, ( 100, pluralDative "honderd" "honderden" "honderden")
, (1000, pluralDative "duizend" "duizenden" "duizenden")
]
where
pluralDative :: s -> s -> s -> Ctx Exp -> s
pluralDative o p d ctx
| pluralForm ctx = p
| dativeForm ctx = d
| otherwise = o
dativeForm :: Ctx Exp -> Bool
dativeForm ctx = isDative inf && isOutside R ctx
pluralForm :: Ctx Exp -> Bool
pluralForm ctx = isPlural inf && isOutside R ctx
forms :: s
-> s
-> s
-> s
-> Ctx Exp
-> s
forms n t p d ctx =
case ctx of
CtxMul _ (Lit 10) _ -> t
CtxAdd _ (Lit 10) _ -> t
_ | dativeForm ctx -> d
| pluralForm ctx -> p
| otherwise -> n
ordinalRepr :: Text -> Inflection -> Exp -> Maybe Text
ordinalRepr one =
render genericRepr
{ reprValue = \_ n -> M.lookup n syms
, reprScale = BN.pelletierRepr ( BN.ordQuantityName "iljoen" "iljoenste"
"iljoen" "iljoenste"
)
( BN.ordQuantityName "iljard" "iljardste"
"iljard" "iljardste"
)
[]
}
where
syms =
M.fromList
[ (0, const "nulde")
, (1, \c -> case c of
CtxEmpty -> one
_ | isOutside R c -> "éénde"
| otherwise -> "één"
)
, (2, forms "tweede" "twee" "twin")
, (3, forms "derde" "drie" "der")
, (4, forms "vierde" "vier" "veer")
, (5, forms "vijfde" "vijf" "vijf")
, (6, forms "zesde" "zes" "zes")
, (7, forms "zevende" "zeven" "zeven")
, (8, \c -> case c of
_ | isOutside R c -> "achtste"
CtxMul _ (Lit 10) _ -> "tach"
CtxAdd _ (Lit _) _ -> "ach"
_ -> "acht"
)
, (9, forms "negende" "negen" "negen")
, (10, \c -> case c of
CtxMul R _ _ | isOutside R c -> "tigste"
| otherwise -> "tig"
_ | isOutside R c -> "tiende"
| otherwise -> "tien"
)
, (11, \c -> if isOutside R c then "elfde" else "elf")
, (12, \c -> if isOutside R c then "twaalfde" else "twaalf")
, (100, \c -> if isOutside R c then "honderdste" else "honderd")
, (1000, \c -> if isOutside R c then "duizendste" else "duizend")
]
forms :: s
-> s
-> s
-> Ctx Exp
-> s
forms o c t ctx = case ctx of
_ | isOutside R ctx -> o
CtxMul _ (Lit 10) _ -> t
CtxAdd _ (Lit _) _ -> t
_ -> c