HS.CLI.OptParse

Documentation

type Psr a = Parser a

the OA parser

opt :: Psr a -> Psr (Maybe a)

the OA optional operator

mny :: Psr a -> Psr [a]

the OA Kleene closure operator

parseArgs :: forall a. (ToolArgs -> Psr a) -> IO a

main OA driver function

parserPrefs :: ParserPrefs

parseIO :: Psr a -> [String] -> IO a

making an IO parser

pureParse :: Psr a -> [String] -> Maybe a

making a functional parser

testCLI :: Show a => Psr a -> [String] -> IO ()

testing CLI parsers

hsParserInfo :: Psr a -> ParserInfo a

given a Psr makes up a corresponding ParserInfo

cmd :: String -> String -> Psr a -> Mod CommandFields a

construct a sub-command parser from command name, description and parser

cmd_et_p :: EnumText a => String -> (a -> String) -> Psr a

arg_et_optd :: forall a. EnumText a => String -> a -> Psr a

parsing an argument EnumText argument

arg_et_p :: forall a. (Bounded a, Enum a, Buildable a, TextParsable a) => String -> Psr a

parsing an argument EnumText argument

opt_et_p :: forall a. EnumText a => Char -> String -> Psr a

pasring an EnumText option

arg_p :: TextParsable a => String -> String -> Psr a

pasring a TextParsable argument

arg_p' :: (Text -> Possibly a) -> String -> String -> Psr a

pasring an argument ParseText, when passed the parser explicitly

opt_p :: TextParsable a => Char -> String -> String -> Psr a

parsing a TextParsable option

enum_switches_with_def_p :: forall a. (Default a, EnumText a) => Psr a

enum_switches_p :: forall a. EnumText a => Psr a

short_enum_switches_p :: forall a. EnumText a => (a -> Maybe Char) -> Psr a

parseString :: TextParsable a => String -> Possibly a