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|
-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Client.Init.Types
-- Copyright : (c) Brent Yorgey, Benedikt Huber 2009
-- License : BSD-like
--
-- Maintainer : cabal-devel@haskell.org
-- Stability : provisional
-- Portability : portable
--
-- Some types used by the 'cabal init' command.
--
-----------------------------------------------------------------------------
module Distribution.Client.Init.Types where
import Distribution.Simple.Setup
( Flag(..) )
import Distribution.Version
import Distribution.Verbosity
import qualified Distribution.Package as P
import Distribution.License
import Distribution.ModuleName
import Language.Haskell.Extension ( Language(..), Extension )
import qualified Text.PrettyPrint as Disp
import qualified Distribution.Compat.ReadP as Parse
import Distribution.Text
import Data.Monoid
-- | InitFlags is really just a simple type to represent certain
-- portions of a .cabal file. Rather than have a flag for EVERY
-- possible field, we just have one for each field that the user is
-- likely to want and/or that we are likely to be able to
-- intelligently guess.
data InitFlags =
InitFlags { nonInteractive :: Flag Bool
, quiet :: Flag Bool
, packageDir :: Flag FilePath
, noComments :: Flag Bool
, minimal :: Flag Bool
, packageName :: Flag P.PackageName
, version :: Flag Version
, cabalVersion :: Flag VersionRange
, license :: Flag License
, author :: Flag String
, email :: Flag String
, homepage :: Flag String
, synopsis :: Flag String
, category :: Flag (Either String Category)
, extraSrc :: Maybe [String]
, packageType :: Flag PackageType
, mainIs :: Flag FilePath
, language :: Flag Language
, exposedModules :: Maybe [ModuleName]
, otherModules :: Maybe [ModuleName]
, otherExts :: Maybe [Extension]
, dependencies :: Maybe [P.Dependency]
, sourceDirs :: Maybe [String]
, buildTools :: Maybe [String]
, initVerbosity :: Flag Verbosity
, overwrite :: Flag Bool
}
deriving (Show)
-- the Monoid instance for Flag has later values override earlier
-- ones, which is why we want Maybe [foo] for collecting foo values,
-- not Flag [foo].
data PackageType = Library | Executable
deriving (Show, Read, Eq)
instance Text PackageType where
disp = Disp.text . show
parse = Parse.choice $ map (fmap read . Parse.string . show) [Library, Executable]
instance Monoid InitFlags where
mempty = InitFlags
{ nonInteractive = mempty
, quiet = mempty
, packageDir = mempty
, noComments = mempty
, minimal = mempty
, packageName = mempty
, version = mempty
, cabalVersion = mempty
, license = mempty
, author = mempty
, email = mempty
, homepage = mempty
, synopsis = mempty
, category = mempty
, extraSrc = mempty
, packageType = mempty
, mainIs = mempty
, language = mempty
, exposedModules = mempty
, otherModules = mempty
, otherExts = mempty
, dependencies = mempty
, sourceDirs = mempty
, buildTools = mempty
, initVerbosity = mempty
, overwrite = mempty
}
mappend a b = InitFlags
{ nonInteractive = combine nonInteractive
, quiet = combine quiet
, packageDir = combine packageDir
, noComments = combine noComments
, minimal = combine minimal
, packageName = combine packageName
, version = combine version
, cabalVersion = combine cabalVersion
, license = combine license
, author = combine author
, email = combine email
, homepage = combine homepage
, synopsis = combine synopsis
, category = combine category
, extraSrc = combine extraSrc
, packageType = combine packageType
, mainIs = combine mainIs
, language = combine language
, exposedModules = combine exposedModules
, otherModules = combine otherModules
, otherExts = combine otherExts
, dependencies = combine dependencies
, sourceDirs = combine sourceDirs
, buildTools = combine buildTools
, initVerbosity = combine initVerbosity
, overwrite = combine overwrite
}
where combine field = field a `mappend` field b
-- | Some common package categories.
data Category
= Codec
| Concurrency
| Control
| Data
| Database
| Development
| Distribution
| Game
| Graphics
| Language
| Math
| Network
| Sound
| System
| Testing
| Text
| Web
deriving (Read, Show, Eq, Ord, Bounded, Enum)
instance Text Category where
disp = Disp.text . show
parse = Parse.choice $ map (fmap read . Parse.string . show) [Codec .. ]
|
