50 lines
1.4 KiB
Haskell
50 lines
1.4 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Servant.Foreign.Inflections
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( concatCase
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, snakeCase
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, camelCase
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-- lenses
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, concatCaseL
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, snakeCaseL
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, camelCaseL
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) where
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import Control.Lens hiding
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(cons)
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import qualified Data.Char as C
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import Data.Monoid
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import Data.Text hiding
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(map)
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import Prelude hiding
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(head, tail)
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import Servant.Foreign.Internal
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concatCaseL :: Getter FunctionName Text
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concatCaseL = _FunctionName . to mconcat
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-- | Function name builder that simply concat each part together
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concatCase :: FunctionName -> Text
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concatCase = view concatCaseL
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snakeCaseL :: Getter FunctionName Text
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snakeCaseL = _FunctionName . to (intercalate "_")
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-- | Function name builder using the snake_case convention.
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-- each part is separated by a single underscore character.
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snakeCase :: FunctionName -> Text
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snakeCase = view snakeCaseL
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camelCaseL :: Getter FunctionName Text
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camelCaseL = _FunctionName . to convert
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where
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convert [] = ""
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convert (p:ps) = mconcat $ p : map capitalize ps
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capitalize "" = ""
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capitalize name = C.toUpper (head name) `cons` tail name
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-- | Function name builder using the CamelCase convention.
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-- each part begins with an upper case character.
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camelCase :: FunctionName -> Text
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camelCase = view camelCaseL
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