Fixed markdown writer to use templates.

git-svn-id: https://pandoc.googlecode.com/svn/trunk@1696 788f1e2b-df1e-0410-8736-df70ead52e1b

src/Text/Pandoc/Writers/Markdown.hs

@@ -31,6 +31,7 @@ Markdown:  <http://daringfireball.net/projects/markdown/>
 -}
 module Text.Pandoc.Writers.Markdown ( writeMarkdown) where
 import Text.Pandoc.Definition
+import Text.Pandoc.Templates
 import Text.Pandoc.Shared 
 import Text.Pandoc.Blocks
 import Text.ParserCombinators.Parsec ( parse, GenParser )
@@ -45,33 +46,36 @@ type WriterState = (Notes, Refs)
 -- | Convert Pandoc to Markdown.
 writeMarkdown :: WriterOptions -> Pandoc -> String
 writeMarkdown opts document = 
-  render $ evalState (pandocToMarkdown opts document) ([],[]) 
+  evalState (pandocToMarkdown opts document) ([],[]) 
 
 -- | Return markdown representation of document.
-pandocToMarkdown :: WriterOptions -> Pandoc -> State WriterState Doc
+pandocToMarkdown :: WriterOptions -> Pandoc -> State WriterState String
 pandocToMarkdown opts (Pandoc meta blocks) = do
-  return empty -- TODO
---  let before  = writerIncludeBefore opts
---  let after   = writerIncludeAfter opts
---  let header  = writerHeader opts
---  let before' = if null before then empty else text before
---  let after'  = if null after then empty else text after
---  let header' = if null header then empty else text header
---  metaBlock <- metaToMarkdown opts meta
---  let head' = if writerStandalone opts
---                then metaBlock $+$ header'
---                else empty
---  let headerBlocks = filter isHeaderBlock blocks
---  let toc = if writerTableOfContents opts 
---               then tableOfContents opts headerBlocks
---               else empty
---  body <- blockListToMarkdown opts blocks
---  (notes, _) <- get
---  notes' <- notesToMarkdown opts (reverse notes)
---  (_, refs) <- get  -- note that the notes may contain refs
---  refs' <- keyTableToMarkdown opts (reverse refs)
---  return $ head' $+$ before' $+$ toc $+$ body $+$ text "" $+$ 
---           notes' $+$ text "" $+$ refs' $+$ after'
+  metaBlock <- metaToMarkdown opts meta
+  let head' = if writerStandalone opts
+                then metaBlock
+                else empty
+  let headerBlocks = filter isHeaderBlock blocks
+  let toc = if writerTableOfContents opts 
+               then tableOfContents opts headerBlocks
+               else empty
+  body <- blockListToMarkdown opts blocks
+  (notes, _) <- get
+  notes' <- notesToMarkdown opts (reverse notes)
+  (_, refs) <- get  -- note that the notes may contain refs
+  refs' <- keyTableToMarkdown opts (reverse refs)
+  let context  = writerVariables opts ++
+                 [ ("toc", render toc)
+                 , ("body", render $ body $+$ text "" $+$ notes' $+$
+                                     text "" $+$ refs')
+                 , ("titleblock", render head')
+                 ]
+  let templ = if writerStandalone opts
+                 then writerTemplate opts
+                 else "$if(toc)$$toc$\n$endif$" ++
+                      "$if(before)$$before$\n$endif$" ++
+                      "$body$$if(after)$$after$\n$endif$"
+  return $ renderTemplate context templ
 
 -- | Return markdown representation of reference key table.
 keyTableToMarkdown :: WriterOptions -> KeyTable -> State WriterState Doc

templates/markdown.template

@@ -1 +1,16 @@
-TODO
+$if(titleblock)$
+$titleblock$
+$endif$
+$if(header-includes)$
+$header-includes$
+$endif$
+$if(before)$
+$before$
+$endif$
+$if(toc)$
+$toc$
+$endif$
+$body$
+$if(after)$
+$after$
+$endif$