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Added prelude to gen, added help option #58

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Merged
merged 1 commit into from
Mar 27, 2025
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Added prelude to gen, added help option #58

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70 changes: 43 additions & 27 deletions bin/Main.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ import Text.Megaparsec (ParseErrorBundle, Parsec, errorBundlePretty, runParser)

data Opts = Opts Command String

newtype ValidateOpts = ValidateOpts {noPrelude :: Bool}
newtype ValidateOpts = ValidateOpts {vNoPrelude :: Bool}

data Command
= Format FormatOpts
Expand All @@ -53,6 +53,7 @@ pCBOROutputFormat = eitherReader $ \case
data GenOpts = GenOpts
{ itemName :: T.Text
, outputFormat :: CBOROutputFormat
, gNoPrelude :: Bool
}

pGenOpts :: Parser GenOpts
Expand All @@ -71,6 +72,10 @@ pGenOpts =
<> help "Output format"
<> value AsCBOR
)
<*> switch
( long "no-prelude"
<> help "Do not include the CDDL prelude."
)

newtype FormatOpts = FormatOpts
{sort :: Bool}
Expand Down Expand Up @@ -98,19 +103,19 @@ opts =
( command
"format"
( info
(Format <$> pFormatOpts)
(Format <$> pFormatOpts <**> helper)
(progDesc "Format the provided CDDL file")
)
<> command
"validate"
( info
(Validate <$> pValidateOpts)
(Validate <$> pValidateOpts <**> helper)
(progDesc "Validate the provided CDDL file")
)
<> command
"gen"
( info
(GenerateCBOR <$> pGenOpts)
(GenerateCBOR <$> pGenOpts <**> helper)
(progDesc "Generate a CBOR term matching the schema")
)
)
Expand All @@ -134,29 +139,40 @@ run (Opts cmd cddlFile) = do
Left err -> do
putStrLnErr $ errorBundlePretty err
exitFailure
Right res -> case cmd of
Format fOpts ->
let defs = if sort fOpts then sortCDDL res else res
in putDocW 80 $ pretty defs
Validate vOpts ->
let
resWithPrelude
| noPrelude vOpts = res
| otherwise = prependPrelude res
in
case fullResolveCDDL resWithPrelude of
Left err -> putStrLnErr (show err) >> exitFailure
Right _ -> exitSuccess
(GenerateCBOR x) -> case fullResolveCDDL res of
Left err -> putStrLnErr (show err) >> exitFailure
Right mt -> do
stdGen <- getStdGen
let term = generateCBORTerm mt (Name $ itemName x) stdGen
in case outputFormat x of
AsTerm -> print term
AsFlatTerm -> print $ toFlatTerm (encodeTerm term)
AsCBOR -> BSC.putStrLn . Base16.encode . toStrictByteString $ encodeTerm term
AsPrettyCBOR -> putStrLn . prettyHexEnc $ encodeTerm term
Right res ->
case cmd of
Format fOpts ->
let
defs
| sort fOpts = sortCDDL res
| otherwise = res
in
putDocW 80 $ pretty defs
Validate vOpts ->
let
res'
| vNoPrelude vOpts = res
| otherwise = prependPrelude res
in
case fullResolveCDDL res' of
Left err -> putStrLnErr (show err) >> exitFailure
Right _ -> exitSuccess
(GenerateCBOR gOpts) ->
let
res'
| gNoPrelude gOpts = res
| otherwise = prependPrelude res
in
case fullResolveCDDL res' of
Left err -> putStrLnErr (show err) >> exitFailure
Right mt -> do
stdGen <- getStdGen
let term = generateCBORTerm mt (Name $ itemName gOpts) stdGen
in case outputFormat gOpts of
AsTerm -> print term
AsFlatTerm -> print $ toFlatTerm (encodeTerm term)
AsCBOR -> BSC.putStrLn . Base16.encode . toStrictByteString $ encodeTerm term
AsPrettyCBOR -> putStrLn . prettyHexEnc $ encodeTerm term

putStrLnErr :: String -> IO ()
putStrLnErr = hPutStrLn stderr
Expand Down