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module Text.Hakyll.Renderables
( CustomPage,
createCustomPage,
PagePath,
createPagePath
) where
import System.FilePath
import qualified Data.ByteString.Lazy.Char8 as B
import qualified Data.Map as M
import Control.Monad
import Text.Hakyll.Util
import Text.Hakyll.Page
import Text.Hakyll.Renderable
data CustomPage = CustomPage { url :: String,
dependencies :: [FilePath],
mapping :: [(String, Either String (IO B.ByteString))]
}
createCustomPage :: String
-> [FilePath]
-> [(String, Either String (IO B.ByteString))]
-> CustomPage
createCustomPage = CustomPage
instance Renderable CustomPage where
getDependencies = dependencies
getURL = url
toContext page = do
values <- mapM (either (return . B.pack) (>>= return) . snd) (mapping page)
let keys = map (B.pack . fst) (mapping page)
return $ M.fromList $ (B.pack "url", B.pack $ url page) : zip keys values
data PagePath = PagePath FilePath
createPagePath :: FilePath -> PagePath
createPagePath = PagePath
-- We can render filepaths
instance Renderable PagePath where
getDependencies (PagePath path) = return path
getURL (PagePath path) = toURL path
toContext (PagePath path) = readPage path >>= toContext
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