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| 1 | +-- Copyright (c) 2016-present, Facebook, Inc. |
| 2 | +-- All rights reserved. |
| 3 | +-- |
| 4 | +-- This source code is licensed under the BSD-style license found in the |
| 5 | +-- LICENSE file in the root directory of this source tree. An additional grant |
| 6 | +-- of patent rights can be found in the PATENTS file in the same directory. |
| 7 | + |
| 8 | + |
| 9 | +{-# LANGUAGE GADTs #-} |
| 10 | +{-# LANGUAGE OverloadedStrings #-} |
| 11 | + |
| 12 | +module Duckling.Temperature.TR.Rules |
| 13 | + ( rules ) where |
| 14 | + |
| 15 | +import Data.Maybe |
| 16 | +import Prelude |
| 17 | +import Data.String |
| 18 | + |
| 19 | +import Duckling.Dimensions.Types |
| 20 | +import Duckling.Temperature.Helpers |
| 21 | +import qualified Duckling.Temperature.Types as TTemperature |
| 22 | +import Duckling.Temperature.Types (TemperatureData(..)) |
| 23 | +import Duckling.Types |
| 24 | + |
| 25 | +ruleTemperatureDegrees :: Rule |
| 26 | +ruleTemperatureDegrees = Rule |
| 27 | + { name = "<latent temp> degrees" |
| 28 | + , pattern = |
| 29 | + [ dimension Temperature |
| 30 | + , regex "derece|°" |
| 31 | + ] |
| 32 | + , prod = \tokens -> case tokens of |
| 33 | + (Token Temperature td:_) -> Just . Token Temperature $ |
| 34 | + withUnit TTemperature.Degree td |
| 35 | + _ -> Nothing |
| 36 | + } |
| 37 | + |
| 38 | +ruleTemperatureCelsius :: Rule |
| 39 | +ruleTemperatureCelsius = Rule |
| 40 | + { name = "<temp> Celsius" |
| 41 | + , pattern = |
| 42 | + [ dimension Temperature |
| 43 | + , regex "c|santigrat" |
| 44 | + ] |
| 45 | + , prod = \tokens -> case tokens of |
| 46 | + (Token Temperature td:_) -> Just . Token Temperature $ |
| 47 | + withUnit TTemperature.Celsius td |
| 48 | + _ -> Nothing |
| 49 | + } |
| 50 | + |
| 51 | +ruleTemperatureFahrenheit :: Rule |
| 52 | +ruleTemperatureFahrenheit = Rule |
| 53 | + { name = "<temp> Fahrenheit" |
| 54 | + , pattern = |
| 55 | + [ dimension Temperature |
| 56 | + , regex "f(ahrenh?ayt)?" |
| 57 | + ] |
| 58 | + , prod = \tokens -> case tokens of |
| 59 | + (Token Temperature td:_) -> Just . Token Temperature $ |
| 60 | + withUnit TTemperature.Fahrenheit td |
| 61 | + _ -> Nothing |
| 62 | + } |
| 63 | + |
| 64 | +ruleTemperatureBelowZero :: Rule |
| 65 | +ruleTemperatureBelowZero = Rule |
| 66 | + { name = "below zero <temp>" |
| 67 | + , pattern = |
| 68 | + [ regex "s\305f\305r\305n alt\305nda" |
| 69 | + , dimension Temperature |
| 70 | + ] |
| 71 | + , prod = \tokens -> case tokens of |
| 72 | + (_:Token Temperature td@(TemperatureData {TTemperature.value = v}):_) -> |
| 73 | + case TTemperature.unit td of |
| 74 | + Nothing -> Just . Token Temperature . withUnit TTemperature.Degree $ |
| 75 | + td {TTemperature.value = - v} |
| 76 | + _ -> Just . Token Temperature $ td {TTemperature.value = - v} |
| 77 | + _ -> Nothing |
| 78 | + } |
| 79 | + |
| 80 | +ruleTemperatureBelowZeroReverse :: Rule |
| 81 | +ruleTemperatureBelowZeroReverse = Rule |
| 82 | + { name = "<temp> below zero" |
| 83 | + , pattern = |
| 84 | + [ dimension Temperature |
| 85 | + , regex "s\305f\305r\305n alt\305nda" |
| 86 | + ] |
| 87 | + , prod = \tokens -> case tokens of |
| 88 | + (Token Temperature td@(TemperatureData {TTemperature.value = v}):_) -> |
| 89 | + case TTemperature.unit td of |
| 90 | + Nothing -> Just . Token Temperature . withUnit TTemperature.Degree $ |
| 91 | + td {TTemperature.value = - v} |
| 92 | + _ -> Just . Token Temperature $ td {TTemperature.value = - v} |
| 93 | + _ -> Nothing |
| 94 | + } |
| 95 | + |
| 96 | +rules :: [Rule] |
| 97 | +rules = |
| 98 | + [ ruleTemperatureDegrees |
| 99 | + , ruleTemperatureCelsius |
| 100 | + , ruleTemperatureFahrenheit |
| 101 | + , ruleTemperatureBelowZero |
| 102 | + , ruleTemperatureBelowZeroReverse |
| 103 | + ] |
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