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40 lines
1.0 KiB
Haskell
40 lines
1.0 KiB
Haskell
module Commands.Dev.Highlight.Options
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( module Commands.Dev.Highlight.Options,
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HighlightBackend (..),
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)
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where
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import CommonOptions
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import Juvix.Compiler.Concrete.Data.Highlight
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data HighlightOptions = HighlightOptions
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{ _highlightBackend :: HighlightBackend,
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_highlightInputFile :: AppPath File
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}
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deriving stock (Data)
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parseHighlight :: Parser HighlightOptions
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parseHighlight = do
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_highlightBackend <-
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option
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(eitherReader parseBackend)
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( long "format"
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<> metavar "FORMAT"
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<> value Emacs
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<> showDefault
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<> help "selects a backend. FORMAT = emacs | json"
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<> completeWith (map show allBackends)
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)
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_highlightInputFile <- parseInputJuvixFile
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pure HighlightOptions {..}
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where
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allBackends :: [HighlightBackend]
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allBackends = allElements
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parseBackend :: String -> Either String HighlightBackend
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parseBackend s = case map toLower s of
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"emacs" -> Right Emacs
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"json" -> Right Json
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_ -> Left $ "unrecognised theme: " <> s
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