From 5f3a147dfdee17a05fba87ece8629fa19e95a1c9 Mon Sep 17 00:00:00 2001
From: fiddlosopher <fiddlosopher@788f1e2b-df1e-0410-8736-df70ead52e1b>
Date: Tue, 24 Feb 2009 22:59:44 +0000
Subject: Removed plugin support.

Plugins will probably be added in a later version,
but for now we want to avoid the heavy GHC API dependency.
Also, plugins are very slow with the current system.

git-svn-id: https://pandoc.googlecode.com/svn/trunk@1548 788f1e2b-df1e-0410-8736-df70ead52e1b
---
 src/Text/Pandoc/Plugins.hs | 69 ----------------------------------------------
 1 file changed, 69 deletions(-)
 delete mode 100644 src/Text/Pandoc/Plugins.hs

(limited to 'src/Text/Pandoc')

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)
-- 
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