Shared: Changed type of Element.

Sec now includes a field for Attr rather than just String
(the identifier).

Note, this is an API change.

src/Text/Pandoc/Shared.hs

@@ -413,8 +413,8 @@ isPara _        = False
 
 -- | Data structure for defining hierarchical Pandoc documents
 data Element = Blk Block
-             | Sec Int [Int] String [Inline] [Element]
+             | Sec Int [Int] Attr [Inline] [Element]
-             --    lvl  num ident  label    contents
+             --    lvl  num attributes label    contents
              deriving (Eq, Read, Show, Typeable, Data)
 
 -- | Convert Pandoc inline list to plain text identifier.  HTML
@@ -435,7 +435,7 @@ hierarchicalize blocks = S.evalState (hierarchicalizeWithIds blocks) []
 
 hierarchicalizeWithIds :: [Block] -> S.State [Int] [Element]
 hierarchicalizeWithIds [] = return []
-hierarchicalizeWithIds ((Header level (ident,_,_) title'):xs) = do
+hierarchicalizeWithIds ((Header level attr title'):xs) = do
   lastnum <- S.get
   let lastnum' = take level lastnum
   let newnum = if length lastnum' >= level
@@ -445,7 +445,7 @@ hierarchicalizeWithIds ((Header level (ident,_,_) title'):xs) = do
   let (sectionContents, rest) = break (headerLtEq level) xs
   sectionContents' <- hierarchicalizeWithIds sectionContents
   rest' <- hierarchicalizeWithIds rest
-  return $ Sec level newnum ident title' sectionContents' : rest'
+  return $ Sec level newnum attr title' sectionContents' : rest'
 hierarchicalizeWithIds (x:rest) = do
   rest' <- hierarchicalizeWithIds rest
   return $ (Blk x) : rest'

src/Text/Pandoc/Writers/ConTeXt.hs

@@ -121,7 +121,7 @@ stringToConTeXt opts = concatMap (escapeCharForConTeXt opts)
 -- | Convert Elements to ConTeXt
 elementToConTeXt :: WriterOptions -> Element -> State WriterState Doc
 elementToConTeXt _ (Blk block) = blockToConTeXt block
-elementToConTeXt opts (Sec level _ id' title' elements) = do
+elementToConTeXt opts (Sec level _ (id',_,_) title' elements) = do
   header' <- sectionHeader id' level title'
   innerContents <- mapM (elementToConTeXt opts) elements
   return $ vcat (header' : innerContents)

src/Text/Pandoc/Writers/Docbook.hs

@@ -94,7 +94,7 @@ writeDocbook opts (Pandoc (Meta tit auths dat) blocks) =
 -- | Convert an Element to Docbook.
 elementToDocbook :: WriterOptions -> Int -> Element -> Doc
 elementToDocbook opts _   (Blk block) = blockToDocbook opts block
-elementToDocbook opts lvl (Sec _ _num id' title elements) =
+elementToDocbook opts lvl (Sec _ _num (id',_,_) title elements) =
   -- Docbook doesn't allow sections with no content, so insert some if needed
   let elements' = if null elements
                     then [Blk (Para [])]

src/Text/Pandoc/Writers/EPUB.hs

@@ -230,7 +230,7 @@ writeEPUB opts doc@(Pandoc meta _) = do
 
   let navPointNode :: (Int -> String -> String -> [Element] -> Element)
                    -> Shared.Element -> State Int Element
-      navPointNode formatter (Sec _ nums ident ils children) = do
+      navPointNode formatter (Sec _ nums (ident,classes,keyvals) ils children) = do
         n <- get
         modify (+1)
         let showNums :: [Int] -> String

src/Text/Pandoc/Writers/HTML.hs

@@ -250,7 +250,7 @@ showSecNum = concat . intersperse "." . map show
 -- | Converts an Element to a list item for a table of contents,
 -- retrieving the appropriate identifier from state.
 elementToListItem :: WriterOptions -> Element -> State WriterState (Maybe Html)
-elementToListItem opts (Sec lev num id' headerText subsecs)
+elementToListItem opts (Sec lev num (id',classes,keyvals) headerText subsecs)
   | lev <= writerTOCDepth opts = do
   let sectnum = if writerNumberSections opts
                    then (H.span ! A.class_ "toc-section-number" $ toHtml $ showSecNum num) >>
@@ -271,7 +271,7 @@ elementToListItem _ _ = return Nothing
 -- | Convert an Element to Html.
 elementToHtml :: Int -> WriterOptions -> Element -> State WriterState Html
 elementToHtml _slideLevel opts (Blk block) = blockToHtml opts block
-elementToHtml slideLevel opts (Sec level num id' title' elements) = do
+elementToHtml slideLevel opts (Sec level num (id',classes,keyvals) title' elements) = do
   let slide = writerSlideVariant opts /= NoSlides && level <= slideLevel
   modify $ \st -> st{stSecNum = num}  -- update section number
   -- always use level 1 for slide titles

src/Text/Pandoc/Writers/LaTeX.hs

@@ -171,7 +171,7 @@ pandocToLaTeX options (Pandoc (Meta title authors date) blocks) = do
 -- | Convert Elements to LaTeX
 elementToLaTeX :: WriterOptions -> Element -> State WriterState Doc
 elementToLaTeX _ (Blk block) = blockToLaTeX block
-elementToLaTeX opts (Sec level _ id' title' elements) = do
+elementToLaTeX opts (Sec level _ (id',_,_) title' elements) = do
   header' <- sectionHeader id' level title'
   innerContents <- mapM (elementToLaTeX opts) elements
   return $ vsep (header' : innerContents)
@@ -236,7 +236,7 @@ toSlides bs = do
 
 elementToBeamer :: Int -> Element -> State WriterState [Block]
 elementToBeamer _slideLevel (Blk b) = return [b]
-elementToBeamer slideLevel  (Sec lvl _num ident tit elts)
+elementToBeamer slideLevel  (Sec lvl _num (ident,_,_) tit elts)
   | lvl >  slideLevel = do
       bs <- concat `fmap` mapM (elementToBeamer slideLevel) elts
       return $ Para ( RawInline "latex" "\\begin{block}{"