mirror of
https://github.com/facebook/duckling.git
synced 2024-07-15 00:50:31 +03:00
Add missing copyright header + auto-format NumParser.hs
Summary: as title Reviewed By: yuzh174 Differential Revision: D39996261 fbshipit-source-id: 33902b34db68daefc48c03878b8686236ac9ded3
This commit is contained in:
parent
9509e042dc
commit
7520daaeba
@ -1,32 +1,36 @@
|
||||
-- Copyright (c) 2016-present, Facebook, Inc.
|
||||
-- All rights reserved.
|
||||
--
|
||||
-- This source code is licensed under the BSD-style license found in the
|
||||
-- LICENSE file in the root directory of this source tree.
|
||||
{-# LANGUAGE DeriveFunctor #-}
|
||||
|
||||
module Duckling.Numeral.DE.NumParser (parseNumeral) where
|
||||
|
||||
import Prelude
|
||||
import Control.Applicative
|
||||
import Data.Char
|
||||
import Data.List
|
||||
import Data.Foldable
|
||||
import Data.List
|
||||
import Data.String
|
||||
import Prelude
|
||||
|
||||
newtype Parser a
|
||||
= Parser { runParser :: String -> Maybe (a, String) }
|
||||
deriving Functor
|
||||
newtype Parser a = Parser {runParser :: String -> Maybe (a, String)}
|
||||
deriving (Functor)
|
||||
|
||||
char :: Char -> Parser Char
|
||||
char c = Parser p
|
||||
where
|
||||
p [] = Nothing
|
||||
p (x:xs)
|
||||
| x == c = Just (x, xs)
|
||||
p (x : xs)
|
||||
| x == c = Just (x, xs)
|
||||
| otherwise = Nothing
|
||||
|
||||
instance Applicative Parser where
|
||||
pure a = Parser (\s -> Just (a, s))
|
||||
(Parser fp) <*> xp = Parser $ \s ->
|
||||
case fp s of
|
||||
Nothing -> Nothing
|
||||
Just (f,s') -> runParser (f <$> xp) s'
|
||||
Nothing -> Nothing
|
||||
Just (f, s') -> runParser (f <$> xp) s'
|
||||
|
||||
instance Alternative Parser where
|
||||
empty = Parser (const Nothing)
|
||||
@ -41,6 +45,7 @@ p .+. p' = (+) <$> p <*> p'
|
||||
p .*. p' = (*) <$> p <*> p'
|
||||
|
||||
infixl 6 .+.
|
||||
|
||||
infixl 7 .*.
|
||||
|
||||
opt :: NumParser -> NumParser
|
||||
@ -48,16 +53,21 @@ opt p = p <|> Parser p'
|
||||
where
|
||||
p' s = Just (0, s)
|
||||
|
||||
data NumItem = NumItem { base :: NumParser
|
||||
, plus10 :: NumParser
|
||||
, times10 :: [NumParser]
|
||||
}
|
||||
data NumItem = NumItem
|
||||
{ base :: NumParser
|
||||
, plus10 :: NumParser
|
||||
, times10 :: [NumParser]
|
||||
}
|
||||
|
||||
defaultNumItem :: Integer -> String -> NumItem
|
||||
defaultNumItem value form = NumItem { base = p
|
||||
, plus10 = p .+. ten
|
||||
, times10 = [p .*. ty]
|
||||
} where p = assign value form
|
||||
defaultNumItem value form =
|
||||
NumItem
|
||||
{ base = p
|
||||
, plus10 = p .+. ten
|
||||
, times10 = [p .*. ty]
|
||||
}
|
||||
where
|
||||
p = assign value form
|
||||
|
||||
type Assignment = Integer -> String -> NumParser
|
||||
|
||||
@ -80,15 +90,27 @@ und :: NumParser
|
||||
und = assign 0 "und"
|
||||
|
||||
one :: NumItem
|
||||
one = (defaultNumItem 1 "ein") { plus10 = assign 11 "elf"
|
||||
, times10 = [ ten ] }
|
||||
one =
|
||||
(defaultNumItem 1 "ein")
|
||||
{ plus10 = assign 11 "elf"
|
||||
, times10 = [ten]
|
||||
}
|
||||
|
||||
two :: NumItem
|
||||
two = (defaultNumItem 2 "zwei") { plus10 = assign 12 "zwölf"
|
||||
, times10 = [ assign 20 "zwanzig" ] }
|
||||
two =
|
||||
(defaultNumItem 2 "zwei")
|
||||
{ plus10 = assign 12 "zwölf"
|
||||
, times10 = [assign 20 "zwanzig"]
|
||||
}
|
||||
|
||||
three :: NumItem
|
||||
three = (defaultNumItem 3 "drei") { times10 = [ assign 30 "dreißig"
|
||||
, assign 30 "dreissig" ] }
|
||||
three =
|
||||
(defaultNumItem 3 "drei")
|
||||
{ times10 =
|
||||
[ assign 30 "dreißig"
|
||||
, assign 30 "dreissig"
|
||||
]
|
||||
}
|
||||
|
||||
four :: NumItem
|
||||
four = defaultNumItem 4 "vier"
|
||||
@ -97,12 +119,18 @@ five :: NumItem
|
||||
five = defaultNumItem 5 "fünf"
|
||||
|
||||
six :: NumItem
|
||||
six = (defaultNumItem 6 "sechs") { plus10 = assign 16 "sechzehn"
|
||||
, times10 = [ assign 60 "sechzig" ] }
|
||||
six =
|
||||
(defaultNumItem 6 "sechs")
|
||||
{ plus10 = assign 16 "sechzehn"
|
||||
, times10 = [assign 60 "sechzig"]
|
||||
}
|
||||
|
||||
seven :: NumItem
|
||||
seven = (defaultNumItem 7 "sieben") { plus10 = assign 17 "siebzehn"
|
||||
, times10 = [ assign 70 "siebzig" ] }
|
||||
seven =
|
||||
(defaultNumItem 7 "sieben")
|
||||
{ plus10 = assign 17 "siebzehn"
|
||||
, times10 = [assign 70 "siebzig"]
|
||||
}
|
||||
|
||||
eight :: NumItem
|
||||
eight = defaultNumItem 8 "acht"
|
||||
@ -120,10 +148,11 @@ tensFrom20 :: NumParser
|
||||
tensFrom20 = asum (concatMap times10 (tail digitLexicon))
|
||||
|
||||
from1to99 :: NumParser
|
||||
from1to99 = opt (from1to9 .+. und) .+. tensFrom20
|
||||
<|> foldr ((<|>) . plus10) empty digitLexicon
|
||||
<|> ten
|
||||
<|> from1to9
|
||||
from1to99 =
|
||||
opt (from1to9 .+. und) .+. tensFrom20
|
||||
<|> foldr ((<|>) . plus10) empty digitLexicon
|
||||
<|> ten
|
||||
<|> from1to9
|
||||
|
||||
from1to999 :: NumParser
|
||||
from1to999 = opt (from1to9 .*. hundred .+. opt und) .+. opt from1to99
|
||||
@ -135,18 +164,20 @@ from1to999999' :: NumParser
|
||||
from1to999999' = Parser p
|
||||
where
|
||||
p s
|
||||
| isPrefixOf "hundert" s || isPrefixOf "tausend" s
|
||||
= runParser from1to999999 ("ein" ++ s)
|
||||
| otherwise
|
||||
= runParser from1to999999 s
|
||||
| isPrefixOf "hundert" s || isPrefixOf "tausend" s =
|
||||
runParser from1to999999 ("ein" ++ s)
|
||||
| otherwise =
|
||||
runParser from1to999999 s
|
||||
|
||||
fromYear1100to1999 :: NumParser
|
||||
fromYear1100to1999 = asum ((\n -> plus10 n .*. hundred) <$> digitLexicon)
|
||||
.+. opt (opt und .+. from1to99)
|
||||
fromYear1100to1999 =
|
||||
asum ((\n -> plus10 n .*. hundred) <$> digitLexicon)
|
||||
.+. opt (opt und .+. from1to99)
|
||||
|
||||
allNumerals :: NumParser
|
||||
allNumerals = fromYear1100to1999
|
||||
<|> from1to999999'
|
||||
allNumerals =
|
||||
fromYear1100to1999
|
||||
<|> from1to999999'
|
||||
|
||||
removeInflection :: (Integer, String) -> Maybe Integer
|
||||
removeInflection (n, suffix)
|
||||
@ -154,7 +185,7 @@ removeInflection (n, suffix)
|
||||
where
|
||||
inflection = ["s", "e", "em", "en", "er", "es"]
|
||||
removeInflection (n, "") = Just n
|
||||
removeInflection _ = Nothing
|
||||
removeInflection _ = Nothing
|
||||
|
||||
parseNumeral :: String -> Maybe Integer
|
||||
parseNumeral s = removeInflection =<< runParser allNumerals s
|
||||
|
Loading…
Reference in New Issue
Block a user