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author | Jasper Van der Jeugt <jaspervdj@gmail.com> | 2010-10-04 17:34:32 +0200 |
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committer | Jasper Van der Jeugt <jaspervdj@gmail.com> | 2010-10-04 17:34:32 +0200 |
commit | 9d99eda221cb67cb80c5dbd0dfbf3635cfd7cadc (patch) | |
tree | 05e6a07622150a1bb45db349a14540949faa9a00 /src/Text/Hakyll | |
parent | 111828d282ea2a0a7d4a161960c4bc576bc89984 (diff) | |
download | hakyll-9d99eda221cb67cb80c5dbd0dfbf3635cfd7cadc.tar.gz |
Provide an arrow-based interface to Pandoc module
Diffstat (limited to 'src/Text/Hakyll')
-rw-r--r-- | src/Text/Hakyll/Pandoc.hs | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/src/Text/Hakyll/Pandoc.hs b/src/Text/Hakyll/Pandoc.hs index dcd7392..c0dec77 100644 --- a/src/Text/Hakyll/Pandoc.hs +++ b/src/Text/Hakyll/Pandoc.hs @@ -7,7 +7,7 @@ module Text.Hakyll.Pandoc import Data.Maybe (fromMaybe) import qualified Data.Map as M -import Control.Arrow (second, (>>>), arr) +import Control.Arrow (second, (>>>), arr, (&&&)) import Text.Pandoc @@ -19,15 +19,15 @@ import Text.Hakyll.Context -- | Get a render function for a given extension. -- -getRenderFunction :: FileType -> Hakyll (String -> String) -getRenderFunction Html = return id -getRenderFunction Text = return id -getRenderFunction UnknownFileType = return id -getRenderFunction fileType = do - parserState <- askHakyll pandocParserState - writerOptions <- askHakyll pandocWriterOptions - return $ writeHtmlString writerOptions - . readFunction fileType (readOptions parserState fileType) +getRenderFunction :: HakyllAction FileType (String -> String) +getRenderFunction = createHakyllAction $ \fileType -> case fileType of + Html -> return id + Text -> return id + UnknownFileType -> return id + _ -> do parserState <- askHakyll pandocParserState + writerOptions <- askHakyll pandocWriterOptions + return $ writeHtmlString writerOptions + . readFunction fileType (readOptions parserState fileType) where readFunction ReStructuredText = readRST readFunction LaTeX = readLaTeX @@ -42,17 +42,16 @@ getRenderFunction fileType = do -- | An action that renders the list of page sections to a context using pandoc -- renderAction :: HakyllAction [PageSection] Context -renderAction = createHakyllAction $ \sections -> do - let path = fromMaybe "unknown" $ lookup "path" - $ map (\(x, y, _) -> (x, y)) - $ map unPageSection sections - render' <- getRenderFunction $ getFileType path - runHakyllAction $ arr (const sections) >>> renderActionWith render' +renderAction = (arr id &&& (getFileType' >>> getRenderFunction)) + >>> renderActionWith + where + getFileType' = arr $ getFileType . fromMaybe "unknown" . lookup "path" + . map (\(x, y, _) -> (x, y)) . map unPageSection -- | An action to render pages, offering just a little more flexibility -- -renderActionWith :: (String -> String) -> HakyllAction [PageSection] Context -renderActionWith render' = createHakyllAction $ \sections -> return $ - Context $ M.fromList $ map (renderTriple . unPageSection) sections +renderActionWith :: HakyllAction ([PageSection], String -> String) Context +renderActionWith = createHakyllAction $ \(sections, render') -> return $ + Context $ M.fromList $ map (renderTriple render' . unPageSection) sections where - renderTriple (k, v, r) = second (if r then render' else id) (k, v) + renderTriple render' (k, v, r) = second (if r then render' else id) (k, v) |