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-- | A concrete 'ResourceProvider' that gets it's resources from the filesystem
--
module Hakyll.Core.ResourceProvider.FileResourceProvider
( fileResourceProvider
) where
import Control.Applicative ((<$>))
import Control.Monad (forM)
import System.Directory (doesDirectoryExist, getDirectoryContents)
import System.FilePath ((</>), normalise)
import Hakyll.Core.ResourceProvider
import Hakyll.Core.Identifier
-- | Create a filesystem-based 'ResourceProvider'
--
fileResourceProvider :: IO ResourceProvider
fileResourceProvider = do
list <- map parseIdentifier <$> getRecursiveContents "."
return $ ResourceProvider
{ resourceList = list
, resourceString = readFile . toFilePath
}
-- | Get all contents of a directory. Note that files starting with a dot (.)
-- will be ignored.
--
getRecursiveContents :: FilePath -> IO [FilePath]
getRecursiveContents topdir = do
topdirExists <- doesDirectoryExist topdir
if topdirExists
then do names <- getDirectoryContents topdir
let properNames = filter isProper names
paths <- forM properNames $ \name -> do
let path = topdir </> name
isDirectory <- doesDirectoryExist path
if isDirectory
then getRecursiveContents path
else return [normalise path]
return (concat paths)
else return []
where
isProper = not . (== '.') . head
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