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add --compact switch to the pretty-simple executable #111

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merged 1 commit into from
Jun 7, 2022
Merged

add --compact switch to the pretty-simple executable #111

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29 changes: 20 additions & 9 deletions app/Main.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,22 +29,25 @@ import qualified Data.Text.IO as T
import qualified Data.Text.Lazy.IO as LT
import Data.Version (showVersion)
import Options.Applicative
( Parser, ReadM, execParser, fullDesc, help, helper, info, infoOption, long
, option, progDesc, readerError, short, showDefaultWith, str, value)
( Parser, ReadM, execParser, fullDesc, help, helper, info, infoOption
, long, option, progDesc, readerError, short, showDefaultWith, str
, switch, value)
import Paths_pretty_simple (version)
import Text.Pretty.Simple
( pStringOpt, OutputOptions
, defaultOutputOptionsDarkBg
, defaultOutputOptionsLightBg
, defaultOutputOptionsNoColor
, outputOptionsCompact
)

data Color = DarkBg
| LightBg
| NoColor

newtype Args = Args
data Args = Args
{ color :: Color
, compact :: Bool
}

colorReader :: ReadM Color
Expand All @@ -65,6 +68,11 @@ args = Args
<> showDefaultWith (const "dark-bg")
<> value DarkBg
)
<*> switch
( long "compact"
<> short 'C'
<> help "Compact output"
)

versionOption :: Parser (a -> a)
versionOption =
Expand All @@ -79,16 +87,19 @@ main :: IO ()
main = do
args' <- execParser opts
input <- T.getContents
let printOpt = getPrintOpt $ color args'
output = pStringOpt printOpt $ unpack input
let output = pStringOpt (getPrintOpt args') $ unpack input
LT.putStrLn output
where
opts = info (helper <*> versionOption <*> args)
( fullDesc
<> progDesc "Format Haskell data types with indentation and highlighting"
)

getPrintOpt :: Color -> OutputOptions
getPrintOpt DarkBg = defaultOutputOptionsDarkBg
getPrintOpt LightBg = defaultOutputOptionsLightBg
getPrintOpt NoColor = defaultOutputOptionsNoColor
getPrintOpt :: Args -> OutputOptions
getPrintOpt as =
(getColorOpt (color as)) {outputOptionsCompact = compact as}

getColorOpt :: Color -> OutputOptions
getColorOpt DarkBg = defaultOutputOptionsDarkBg
getColorOpt LightBg = defaultOutputOptionsLightBg
getColorOpt NoColor = defaultOutputOptionsNoColor