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-rw-r--r--src/Text/Pandoc/Plugins.hs69
1 files changed, 0 insertions, 69 deletions
diff --git a/src/Text/Pandoc/Plugins.hs b/src/Text/Pandoc/Plugins.hs
deleted file mode 100644
index cb8ad1e11..000000000
--- a/src/Text/Pandoc/Plugins.hs
+++ /dev/null
@@ -1,69 +0,0 @@
-{-
-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.Pluigns
- Copyright : Copyright (C) 2008 John MacFarlane
- License : GNU GPL, version 2 or above
-
- Maintainer : John MacFarlane <jgm@berkeley.edu>
- Stability : alpha
- Portability : portable
-
-Support for plugins.
--}
-
-module Text.Pandoc.Plugins (getPlugin)
-where
-
-import Language.Haskell.Interpreter
-import Text.Pandoc
-import Control.Monad (unless, liftM)
-import Control.Monad.Error (throwError)
-import Data.List (isInfixOf)
-
--- | Returns the function named @transform@ in the specified
--- module. The module may be identified either by module name
--- or by path name. The @transform@ function should have type
--- @a -> a@ or @a -> IO a@, where @a@ is an instance of 'Data':
--- for example, @Pandoc -> Pandoc@, @Inline -> IO Inline@,
--- @Block -> Block@, or @[Inline] -> IO [Inline]@.
-getPlugin :: String -> IO (Pandoc -> IO Pandoc)
-getPlugin modsrc = do
- res <- runInterpreter (evaluatePlugin modsrc)
- case res of
- Right func -> return func
- Left (WontCompile xs) -> error $ "WontCompile error for plugin '" ++ modsrc ++ "'\n" ++ unlines (map errMsg xs)
- Left (NotAllowed x) -> error $ "NotAllowed error for plugin '" ++ modsrc ++ "'\n" ++ x
- Left (UnknownError x) -> error $ "UnknownError for plugin '" ++ modsrc ++ "'\n" ++ x
- Left (GhcException x) -> error $ "GhcException for plugin '" ++ modsrc ++ "'\n" ++ x
-
-evaluatePlugin :: String -> Interpreter (Pandoc -> IO Pandoc)
-evaluatePlugin modsrc = do
- set [installedModulesInScope := False]
- loadModules [modsrc]
- modnames <- getLoadedModules
- setTopLevelModules modnames
- setImports ["Prelude", "Text.Pandoc", "Text.Pandoc.Definition"]
- exports <- liftM concat $ mapM getModuleExports modnames
- unless ((Fun "transform") `elem` exports) $
- throwError $ UnknownError $ "The plugin module must define a function 'transform'."
- transformType <- typeOf "transform"
- if "-> IO" `isInfixOf` transformType
- then interpret "processWithM transform" (as :: Pandoc -> IO Pandoc)
- else interpret "return . (processWith transform)" (as :: Pandoc -> IO Pandoc)