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Support legalese numerals

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Summary:
Support numerals like "forty-five (45)". Commonly seen in legal documents.

There are no classifiers to regenerate.

Resolves #216

Reviewed By: stroxler

Differential Revision: D28305725

fbshipit-source-id: b9b4e160f630ce3cf462fcf9f2e575738463c313
This commit is contained in:
Daniel Cartwright 2021-05-10 10:30:11 -07:00 committed by Facebook GitHub Bot
parent 0efbfe5988
commit 59cb9e0879
2 changed files with 26 additions and 2 deletions
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4
Duckling/Numeral/EN/Corpus.hs
View File

@ -184,4 +184,8 @@ allExamples = concat
, "three hundred krores"
, "three hundred Kr"
]
, examples (NumeralValue 45)
[ "forty-five (45)"
, "45 (forty five)"
]
]

24
Duckling/Numeral/EN/Rules.hs
View File

@ -6,8 +6,9 @@
{-# LANGUAGE GADTs #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE NoRebindableSyntax #-}
{-# LANGUAGE OverloadedStrings #-}
module Duckling.Numeral.EN.Rules
( rules
@ -23,7 +24,7 @@ import qualified Data.Text as Text
import Duckling.Dimensions.Types
import Duckling.Numeral.Helpers
import Duckling.Numeral.Types (NumeralData (..))
import Duckling.Numeral.Types (NumeralData (..), isInteger)
import Duckling.Regex.Types
import Duckling.Types
import qualified Duckling.Numeral.Types as TNumeral
@ -333,6 +334,24 @@ ruleMultiply = Rule
_ -> Nothing
}
ruleLegalParentheses :: Rule
ruleLegalParentheses = Rule
{ name = "<integer> '('<integer>')'"
, pattern =
[ numberWith TNumeral.value $ and . sequence [isInteger, (>0)]
, regex "\\("
, numberWith TNumeral.value $ and . sequence [isInteger, (>0)]
, regex "\\)"
]
, prod = \case
(Token Numeral NumeralData{TNumeral.value = n1}:
_:
Token Numeral NumeralData{TNumeral.value = n2}:
_:
_) | n1 == n2 -> double n1
_ -> Nothing
}
rules :: [Rule]
rules =
[ ruleToNineteen
@ -351,4 +370,5 @@ rules =
, ruleSumAnd
, ruleMultiply
, ruleDozen
, ruleLegalParentheses
]