diff options
Diffstat (limited to 'haddock-api/src/Haddock/Utils.hs')
| -rw-r--r-- | haddock-api/src/Haddock/Utils.hs | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/haddock-api/src/Haddock/Utils.hs b/haddock-api/src/Haddock/Utils.hs index dda42cea..7673f02d 100644 --- a/haddock-api/src/Haddock/Utils.hs +++ b/haddock-api/src/Haddock/Utils.hs @@ -49,7 +49,7 @@ module Haddock.Utils ( MonadIO(..), -- * Logging - parseVerbosity, + parseVerbosity, Verbosity(..), silent, normal, verbose, deafening, out, -- * System tools @@ -81,8 +81,6 @@ import System.Directory ( createDirectory, removeDirectoryRecursive ) import System.IO ( hPutStr, hSetEncoding, IOMode(..), stderr, utf8, withFile ) import System.IO.Unsafe ( unsafePerformIO ) import qualified System.FilePath.Posix as HtmlPath -import Distribution.Verbosity -import Distribution.ReadE #ifndef mingw32_HOST_OS import qualified System.Posix.Internals @@ -95,10 +93,27 @@ import MonadUtils ( MonadIO(..) ) -- * Logging -------------------------------------------------------------------------------- +data Verbosity = Silent | Normal | Verbose | Deafening + deriving (Eq, Ord, Enum, Bounded, Show) -parseVerbosity :: String -> Either String Verbosity -parseVerbosity = runReadE flagToVerbosity +silent, normal, verbose, deafening :: Verbosity +silent = Silent +normal = Normal +verbose = Verbose +deafening = Deafening +-- | Parse out a verbosity level. Inspired from Cabal's verbosity parsing. +parseVerbosity :: String -> Either String Verbosity +parseVerbosity "0" = Right Silent +parseVerbosity "1" = Right Normal +parseVerbosity "2" = Right Silent +parseVerbosity "3" = Right Deafening +parseVerbosity "silent" = return Silent +parseVerbosity "normal" = return Normal +parseVerbosity "verbose" = return Verbose +parseVerbosity "debug" = return Deafening +parseVerbosity "deafening" = return Deafening +parseVerbosity other = Left ("Can't parse verbosity " ++ other) -- | Print a message to stdout, if it is not too verbose out :: MonadIO m |