blob: 4dd8288036c743c420754e43c56141d3dbd15ee6 (
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
|
--------------------------------------------------------------------------------
-- | This module provides an wrapper API around the file system which does some
-- caching.
module Hakyll.Core.Provider
( -- * Constructing resource providers
Internal.Provider
, newProvider
-- * Querying resource properties
, Internal.resourceList
, Internal.resourceExists
, Internal.resourceModified
, Internal.resourceModificationTime
-- * Access to raw resource content
, Internal.resourceString
, Internal.resourceLBS
-- * Access to metadata and body content
, Internal.resourceMetadata
, Internal.resourceBody
) where
--------------------------------------------------------------------------------
import Control.Monad (forM_)
import qualified Hakyll.Core.Provider.Internal as Internal
import qualified Hakyll.Core.Provider.MetadataCache as Internal
import Hakyll.Core.Store (Store)
--------------------------------------------------------------------------------
-- | Create a resource provider
newProvider :: Store -- ^ Store to use
-> (FilePath -> Bool) -- ^ Should we ignore this file?
-> FilePath -- ^ Search directory
-> IO Internal.Provider -- ^ Resulting provider
newProvider store ignore directory = do
-- Delete metadata cache where necessary
provider <- Internal.newProvider store ignore directory
forM_ (Internal.resourceList provider) $ \identifier ->
if Internal.resourceModified provider identifier
then Internal.resourceInvalidateMetadataCache provider identifier
else return ()
return provider
|
