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-- | A module dealing with common file extensions and associated file types.
--
module Hakyll.Web.FileType
( FileType (..)
, fileType
, getFileType
) where
import System.FilePath (takeExtension)
import Control.Arrow ((>>^))
import Hakyll.Core.Identifier
import Hakyll.Core.Compiler
-- | Datatype to represent the different file types Hakyll can deal with by
-- default
--
data FileType
= Html
| LaTeX
| LiterateHaskell FileType
| Markdown
| Rst
| PlainText
| Css
| Binary
deriving (Eq, Ord, Show, Read)
-- | Get the file type for a certain file. The type is determined by extension.
--
fileType :: FilePath -> FileType
fileType = fileType' . takeExtension
where
fileType' ".htm" = Html
fileType' ".html" = Html
fileType' ".lhs" = LiterateHaskell Markdown
fileType' ".markdown" = Markdown
fileType' ".md" = Markdown
fileType' ".mdn" = Markdown
fileType' ".mdown" = Markdown
fileType' ".mdwn" = Markdown
fileType' ".mkd" = Markdown
fileType' ".mkdwn" = Markdown
fileType' ".page" = Markdown
fileType' ".rst" = Rst
fileType' ".tex" = LaTeX
fileType' ".text" = PlainText
fileType' ".txt" = PlainText
fileType' ".css" = Css
fileType' _ = Binary -- Treat unknown files as binary
-- | Get the file type for the current file
--
getFileType :: Compiler a FileType
getFileType = getIdentifier >>^ fileType . toFilePath
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