9dd764e6f7
* Added mimeencoding= term to annex.largefiles expressions. This is probably mostly useful to match non-text files with eg "mimeencoding=binary" * git-annex matchexpression: Added --mimeencoding option.
65 lines
1.9 KiB
Haskell
65 lines
1.9 KiB
Haskell
{- git-annex file matcher types
|
|
-
|
|
- Copyright 2013-2019 Joey Hess <id@joeyh.name>
|
|
-
|
|
- Licensed under the GNU AGPL version 3 or higher.
|
|
-}
|
|
|
|
module Types.FileMatcher where
|
|
|
|
import Types.UUID (UUID)
|
|
import Types.Key (Key, AssociatedFile)
|
|
import Types.Mime
|
|
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
|
|
|
|
-- Information about a file or a key that can be matched on.
|
|
data MatchInfo
|
|
= MatchingFile FileInfo
|
|
| MatchingKey Key AssociatedFile
|
|
| MatchingInfo ProvidedInfo
|
|
|
|
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
|
|
}
|
|
|
|
-- This is used when testing a matcher, with values to match against
|
|
-- provided by the user, rather than queried from files.
|
|
data ProvidedInfo = ProvidedInfo
|
|
{ providedFilePath :: OptInfo FilePath
|
|
, providedKey :: OptInfo Key
|
|
, providedFileSize :: OptInfo FileSize
|
|
, providedMimeType :: OptInfo MimeType
|
|
, providedMimeEncoding :: OptInfo MimeEncoding
|
|
}
|
|
|
|
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))
|