Use template haskell to store reference.odt as blob in pandoc.

+ Added contentsOf to Text.Pandoc.Shared.
+ Use this to get contents of reference.odt at compile time in
  Text.Pandoc.ODT
+ Added bytestring and template-haskell dependencies to pandoc.cabal.


git-svn-id: https://pandoc.googlecode.com/svn/trunk@1355 788f1e2b-df1e-0410-8736-df70ead52e1b

2 files changed, 19 insertions, 4 deletions

diff --git a/Text/Pandoc/ODT.hs b/Text/Pandoc/ODT.hs
index 487bcdedc..c254f6013 100644
--- a/Text/Pandoc/ODT.hs
+++ b/Text/Pandoc/ODT.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE TemplateHaskell, OverloadedStrings #-}
 {-
 Copyright (C) 2008 John MacFarlane <jgm@berkeley.edu>
 
@@ -28,6 +29,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 Functions for producing an ODT file from OpenDocument XML.
 -}
 module Text.Pandoc.ODT ( saveOpenDocumentAsODT ) where
+import Text.Pandoc.Shared ( contentsOf )
 import Data.Maybe ( fromJust )
 import Data.List ( partition, intersperse )
 import Prelude hiding ( writeFile, readFile )
@@ -41,7 +43,7 @@ import Text.XML.Light
 import Text.XML.Light.Cursor
 import Text.Pandoc.Shared ( withTempDir )
 import Network.URI ( isURI )
-import Paths_pandoc
+import qualified Data.ByteString.Char8 as B ( writeFile )
 
 -- | Produce an ODT file from OpenDocument XML.
 saveOpenDocumentAsODT :: FilePath    -- ^ Pathname of ODT file to be produced.
@@ -59,10 +61,10 @@ saveOpenDocumentAsODT destinationODTPath sourceDirRelative xml = do
                                       "It can be obtained from http://www.info-zip.org/Zip.html\n" ++
                                       "Debian (and Debian-based) linux: apt-get install zip\n" ++
                                       "Windows: See http://gnuwin32.sourceforge.net/packages/zip.htm"
-  referenceODTPath <- getDataFileName "reference.odt"
   withTempDir "pandoc-odt" $ \tempDir -> do
     let tempODT = tempDir </> "reference.odt"
-    copyFile referenceODTPath tempODT
+    copyFile "odt-styles/reference.odt" tempODT 
+    B.writeFile tempODT $(contentsOf "odt-styles/reference.odt")
     createDirectory $ tempDir </> "Pictures"
     xml' <- handlePictures tempODT sourceDirRelative xml
     writeFile (tempDir </> "content.xml") xml'
@@ -138,3 +140,4 @@ handleContent tempODT sourceDirRelative content@(Elem el) = do
      else return content
  
 handleContent _ _ c = return c  -- not Element
+
diff --git a/Text/Pandoc/Shared.hs b/Text/Pandoc/Shared.hs
index 3c202db0f..ea576472d 100644
--- a/Text/Pandoc/Shared.hs
+++ b/Text/Pandoc/Shared.hs
@@ -100,7 +100,9 @@ module Text.Pandoc.Shared (
                      WriterOptions (..),
                      defaultWriterOptions,
                      -- * File handling
-                     withTempDir
+                     withTempDir,
+                     -- * Template haskell
+                     contentsOf
                     ) where
 
 import Text.Pandoc.Definition
@@ -115,6 +117,9 @@ import Network.URI ( parseURI, URI (..), isAllowedInURI )
 import System.FilePath ( (</>), (<.>) )
 import System.IO.Error ( catch, ioError, isAlreadyExistsError )
 import System.Directory
+import Language.Haskell.TH
+import Language.Haskell.TH.Syntax (Lift (..))
+import qualified Data.ByteString.Char8 as B
 
 --
 -- List processing
@@ -924,3 +929,10 @@ createTempDir num baseName = do
                then createTempDir (num + 1) baseName
                else ioError e
 
+-- | Template haskell function to insert bytestring contents of file into a template.
+contentsOf :: FilePath -> ExpQ
+contentsOf p = lift =<< runIO (B.readFile p)
+
+instance Lift B.ByteString where
+  lift x = return (LitE (StringL $ B.unpack x))
+