matchexpression: New plumbing command to check if a preferred content expression matches some data.

This commit is contained in:
Joey Hess 2016-01-25 16:16:18 -04:00
parent 4b569c9e7f
commit d3ba9fe5c8
Failed to extract signature
10 changed files with 186 additions and 11 deletions

View file

@ -1,6 +1,6 @@
{- git-annex file matcher types
-
- Copyright 2013 Joey Hess <id@joeyh.name>
- Copyright 2013-2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
@ -10,13 +10,16 @@ module Types.FileMatcher where
import Types.UUID (UUID)
import Types.Key (Key)
import Utility.Matcher (Matcher, Token)
import Utility.FileSize
import Control.Monad.IO.Class
import qualified Data.Map as M
import qualified Data.Set as S
data MatchInfo
= MatchingFile FileInfo
| MatchingKey Key
| MatchingInfo (OptInfo FilePath) (OptInfo Key) (OptInfo FileSize)
data FileInfo = FileInfo
{ currFile :: FilePath
@ -25,6 +28,14 @@ data FileInfo = FileInfo
-- ^ filepath to match on; may be relative to top of repo or cwd
}
type OptInfo a = Either (IO a) a
-- If the OptInfo is not available, accessing it may result in eg an
-- exception being thrown.
getInfo :: MonadIO m => OptInfo a -> m a
getInfo (Right i) = pure i
getInfo (Left e) = liftIO e
type FileMatcherMap a = M.Map UUID (Utility.Matcher.Matcher (S.Set UUID -> MatchInfo -> a Bool))
type MkLimit a = String -> Either String (MatchFiles a)