{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
module Stack.Options.LogLevelParser
( logLevelOptsParser
) where
import qualified Data.Text as T
import Options.Applicative
( Parser, completeWith, flag', help, long, metavar, short
, strOption
)
import Stack.Options.Utils ( hideMods )
import Stack.Prelude
logLevelOptsParser :: Bool -> Parser (Maybe LogLevel)
logLevelOptsParser :: Bool -> Parser (Maybe LogLevel)
logLevelOptsParser Bool
hide = forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (forall a. a -> Maybe a
Just forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> LogLevel
parse)
(forall s. IsString s => Mod OptionFields s -> Parser s
strOption
( forall (f :: * -> *) a. HasName f => String -> Mod f a
long String
"verbosity"
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. HasMetavar f => String -> Mod f a
metavar String
"VERBOSITY"
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. HasCompleter f => [String] -> Mod f a
completeWith [String
"silent", String
"error", String
"warn", String
"info", String
"debug"]
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. String -> Mod f a
help String
"Set verbosity level: silent, error, warn, info or debug."
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. Bool -> Mod f a
hideMods Bool
hide
))
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall a. a -> Mod FlagFields a -> Parser a
flag' (forall a. a -> Maybe a
Just LogLevel
verboseLevel)
( forall (f :: * -> *) a. HasName f => Char -> Mod f a
short Char
'v'
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. HasName f => String -> Mod f a
long String
"verbose"
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. String -> Mod f a
help
( String
"Enable verbose mode: verbosity level \""
forall a. Semigroup a => a -> a -> a
<> LogLevel -> String
showLevel LogLevel
verboseLevel
forall a. Semigroup a => a -> a -> a
<> String
"\"."
)
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. Bool -> Mod f a
hideMods Bool
hide
)
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall a. a -> Mod FlagFields a -> Parser a
flag' (forall a. a -> Maybe a
Just LogLevel
silentLevel)
( forall (f :: * -> *) a. HasName f => String -> Mod f a
long String
"silent"
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. String -> Mod f a
help ( String
"Enable silent mode: verbosity level \""
forall a. Semigroup a => a -> a -> a
<> LogLevel -> String
showLevel LogLevel
silentLevel
forall a. Semigroup a => a -> a -> a
<> String
"\"."
)
forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. Bool -> Mod f a
hideMods Bool
hide
)
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a. Maybe a
Nothing
where
verboseLevel :: LogLevel
verboseLevel = LogLevel
LevelDebug
silentLevel :: LogLevel
silentLevel = Text -> LogLevel
LevelOther Text
"silent"
showLevel :: LogLevel -> String
showLevel LogLevel
l = case LogLevel
l of
LogLevel
LevelDebug -> String
"debug"
LogLevel
LevelInfo -> String
"info"
LogLevel
LevelWarn -> String
"warn"
LogLevel
LevelError -> String
"error"
LevelOther Text
x -> Text -> String
T.unpack Text
x
parse :: String -> LogLevel
parse String
s = case String
s of
String
"debug" -> LogLevel
LevelDebug
String
"info" -> LogLevel
LevelInfo
String
"warn" -> LogLevel
LevelWarn
String
"error" -> LogLevel
LevelError
String
_ -> Text -> LogLevel
LevelOther (String -> Text
T.pack String
s)