summaryrefslogtreecommitdiff
path: root/src/Hakyll/Core/Provider/Metadata.hs
diff options
context:
space:
mode:
Diffstat (limited to 'src/Hakyll/Core/Provider/Metadata.hs')
-rw-r--r--src/Hakyll/Core/Provider/Metadata.hs45
1 files changed, 43 insertions, 2 deletions
diff --git a/src/Hakyll/Core/Provider/Metadata.hs b/src/Hakyll/Core/Provider/Metadata.hs
index 7e4d7ed..6404205 100644
--- a/src/Hakyll/Core/Provider/Metadata.hs
+++ b/src/Hakyll/Core/Provider/Metadata.hs
@@ -20,6 +20,8 @@ import System.IO as IO
import Text.Parsec ((<?>))
import qualified Text.Parsec as P
import Text.Parsec.String (Parser)
+import System.FilePath.Posix
+import Control.Monad (liftM)
--------------------------------------------------------------------------------
@@ -28,7 +30,7 @@ import Hakyll.Core.Metadata
import Hakyll.Core.Provider.Internal
import Hakyll.Core.Util.Parser
import Hakyll.Core.Util.String
-
+import Hakyll.Core.Identifier.Pattern
--------------------------------------------------------------------------------
loadMetadata :: Provider -> Identifier -> IO (Metadata, Maybe String)
@@ -42,7 +44,9 @@ loadMetadata p identifier = do
Nothing -> return M.empty
Just mi' -> loadMetadataFile $ resourceFilePath p mi'
- return (M.union md emd, body)
+ gmd <- loadGlobalMetadata p fp
+
+ return (M.unions [md, emd, gmd], body)
where
normal = setVersion Nothing identifier
fp = resourceFilePath p identifier
@@ -133,3 +137,40 @@ page = do
metadata' <- P.option [] metadataBlock
body <- P.many P.anyChar
return (metadata', body)
+
+
+--------------------------------------------------------------------------------
+-- | Load directory-wise metadata
+loadGlobalMetadata :: Provider -> FilePath -> IO (M.Map String String)
+loadGlobalMetadata p fp = do
+ let dir = takeDirectory fp
+ liftM M.fromList $ loadgm dir
+ where
+ loadgm :: FilePath -> IO [(String, String)]
+ loadgm dir | dir == providerDirectory p = return []
+ | otherwise = do
+ let mfp = combine dir "metadata"
+ md <- if M.member (fromFilePath $ normalise mfp) (providerFiles p)
+ then loadOne mfp dir
+ else return []
+ others <- loadgm (takeDirectory dir)
+ return $ others ++ md
+ loadOne mfp dir = do
+ contents <- IO.readFile mfp
+ return $ case P.parse namedMetadata mfp contents of
+ Left err -> error (show err)
+ Right mds -> findMetadata mds dir
+ findMetadata mds dir =
+ concatMap snd $ filter (flip matches (fromFilePath fp) . fromGlob . combine dir . fst) mds
+
+namedMetadata :: Parser [(String, [(String, String)])]
+namedMetadata = P.many namedMetadataBlock
+
+namedMetadataBlock :: Parser (String, [(String, String)])
+namedMetadataBlock = do
+ name <- P.many1 (P.char '-') *> P.many inlineSpace *> P.manyTill P.anyChar newline
+ metadata' <- metadata
+ P.skipMany P.space
+ return (name, metadata')
+
+