blob: ecf4fbbd8b490dc0f103d461b8336f1db79928dd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
{- git-annex file matcher types
-
- Copyright 2013-2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
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) (OptInfo MimeType)
type MimeType = String
data FileInfo = FileInfo
{ currFile :: FilePath
-- ^ current path to the file, for operations that examine it
, matchFile :: FilePath
-- ^ 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) = return 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)
type AssumeNotPresent = S.Set UUID
type MatchFiles a = AssumeNotPresent -> MatchInfo -> a Bool
type FileMatcher a = Matcher (MatchFiles a)
-- This is a matcher that can have tokens added to it while it's being
-- built, and once complete is compiled to an unchangable matcher.
data ExpandableMatcher a
= BuildingMatcher [Token (MatchInfo -> a Bool)]
| CompleteMatcher (Matcher (MatchInfo -> a Bool))
|
