{-
	Copyright (C) 2018 Dr. Alistair Ward

	This file is part of Squeeze.

	Squeeze is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	Squeeze is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with Squeeze.  If not, see <http://www.gnu.org/licenses/>.
-}
{- |
 [@AUTHOR@]	Dr. Alistair Ward

 [@DESCRIPTION@]
	The levels of program-output.
	N.B.: the data-type is coincidentally similar to 'Distribution.Verbosity.Internal.VerbosityLevel'.
-}

module Squeeze.Data.Verbosity(
-- * Types
-- ** Data-types
        Verbosity(),
-- * Constants
        range
) where

import qualified        Data.Default

-- | Define the levels of program-output.
data Verbosity
        = Silent
        | Normal
        | Verbose
        | Deafening
        deriving (Enum, Eq, Ord, Read, Show)

instance Bounded Verbosity where
        minBound        = Silent
        maxBound        = Deafening

instance Data.Default.Default Verbosity where
        def     = Normal

-- | The constant complete range of values.
range :: [Verbosity]
range   = [minBound .. maxBound]