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{-# OPTIONS_GHC -fno-warn-orphans #-}
{-
Copyright (C) 2008 John MacFarlane <jgm@berkeley.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
{- |
Module : Text.Pandoc.TH
Copyright : Copyright (C) 2006-8 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Template haskell functions used by Pandoc modules.
-}
module Text.Pandoc.TH (
contentsOf,
binaryContentsOf,
makeZip
) where
import Language.Haskell.TH
import Language.Haskell.TH.Syntax (Lift (..))
import qualified Data.ByteString as B
import Data.ByteString.Internal ( w2c )
import Prelude hiding ( readFile )
import System.IO.UTF8
import Codec.Archive.Zip
import Text.Pandoc.Shared ( inDirectory )
-- | Insert contents of text file into a template.
contentsOf :: FilePath -> ExpQ
contentsOf p = lift =<< (runIO $ readFile p)
-- | Insert contents of binary file into a template.
-- Note that @Data.ByteString.readFile@ uses binary mode on windows.
binaryContentsOf :: FilePath -> ExpQ
binaryContentsOf p = lift =<< (runIO $ B.readFile p)
instance Lift B.ByteString where
lift x = return (LitE (StringL $ map w2c $ B.unpack x))
instance Lift Archive where
lift x = return (LitE (StringL $ show x ))
-- | Construct zip file from files in a directory, and
-- insert into a template.
makeZip :: FilePath -> ExpQ
makeZip path = lift =<< (runIO $ inDirectory path $ addFilesToArchive [OptRecursive] emptyArchive ["."])
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