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-rw-r--r--src/Text/Pandoc/Writers/Native.hs84
1 files changed, 11 insertions, 73 deletions
diff --git a/src/Text/Pandoc/Writers/Native.hs b/src/Text/Pandoc/Writers/Native.hs
index 9c2ce805d..264b9c498 100644
--- a/src/Text/Pandoc/Writers/Native.hs
+++ b/src/Text/Pandoc/Writers/Native.hs
@@ -12,82 +12,20 @@ Conversion of a 'Pandoc' document to a string representation.
-}
module Text.Pandoc.Writers.Native ( writeNative )
where
-import Data.List (intersperse)
import Data.Text (Text)
+import qualified Data.Text as T
import Text.Pandoc.Class.PandocMonad (PandocMonad)
import Text.Pandoc.Definition
-import Text.Pandoc.Options (WrapOption (..), WriterOptions (..))
-import Text.DocLayout
-
-prettyList :: [Doc Text] -> Doc Text
-prettyList ds =
- "[" <>
- mconcat (intersperse (cr <> ",") $ map (nest 1) ds) <> "]"
-
--- | Prettyprint Pandoc block element.
-prettyBlock :: Block -> Doc Text
-prettyBlock (LineBlock lines') =
- "LineBlock" $$ prettyList (map (text . show) lines')
-prettyBlock (BlockQuote blocks) =
- "BlockQuote" $$ prettyList (map prettyBlock blocks)
-prettyBlock (OrderedList attribs blockLists) =
- "OrderedList" <> space <> text (show attribs) $$
- prettyList (map (prettyList . map prettyBlock) blockLists)
-prettyBlock (BulletList blockLists) =
- "BulletList" $$
- prettyList (map (prettyList . map prettyBlock) blockLists)
-prettyBlock (DefinitionList items) = "DefinitionList" $$
- prettyList (map deflistitem items)
- where deflistitem (term, defs) = "(" <> text (show term) <> "," <> cr <>
- nest 1 (prettyList $ map (prettyList . map prettyBlock) defs) <> ")"
-prettyBlock (Table attr blkCapt specs thead tbody tfoot) =
- mconcat [ "Table "
- , text (show attr)
- , " "
- , prettyCaption blkCapt ] $$
- prettyList (map (text . show) specs) $$
- prettyHead thead $$
- prettyBodies tbody $$
- prettyFoot tfoot
- where prettyRows = prettyList . map prettyRow
- prettyRow (Row a body) =
- text ("Row " <> show a) $$ prettyList (map prettyCell body)
- prettyCell (Cell a ma h w b) =
- mconcat [ "Cell "
- , text (show a)
- , " "
- , text (show ma)
- , " ("
- , text (show h)
- , ") ("
- , text (show w)
- , ")" ] $$
- prettyList (map prettyBlock b)
- prettyCaption (Caption mshort body) =
- "(Caption " <> text (showsPrec 11 mshort "") $$ prettyList (map prettyBlock body) <> ")"
- prettyHead (TableHead thattr body)
- = "(TableHead " <> text (show thattr) $$ prettyRows body <> ")"
- prettyBody (TableBody tbattr rhc hd bd)
- = mconcat [ "(TableBody "
- , text (show tbattr)
- , " ("
- , text (show rhc)
- , ")" ] $$ prettyRows hd $$ prettyRows bd <> ")"
- prettyBodies = prettyList . map prettyBody
- prettyFoot (TableFoot tfattr body)
- = "(TableFoot " <> text (show tfattr) $$ prettyRows body <> ")"
-prettyBlock (Div attr blocks) =
- text ("Div " <> show attr) $$ prettyList (map prettyBlock blocks)
-prettyBlock block = text $ show block
+import Text.Pandoc.Options (WriterOptions (..))
+import Text.Show.Pretty (ppDoc)
+import Text.PrettyPrint (renderStyle, Style(..), style, char)
-- | Prettyprint Pandoc document.
writeNative :: PandocMonad m => WriterOptions -> Pandoc -> m Text
-writeNative opts (Pandoc meta blocks) = return $
- let colwidth = if writerWrapText opts == WrapAuto
- then Just $ writerColumns opts
- else Nothing
- withHead = case writerTemplate opts of
- Just _ -> \bs -> text ("Pandoc (" ++ show meta ++ ")") $$
- bs $$ cr
- Nothing -> id
- in render colwidth $ withHead $ prettyList $ map prettyBlock blocks
+writeNative opts (Pandoc meta blocks) = do
+ let style' = style{ lineLength = writerColumns opts,
+ ribbonsPerLine = 1.2 }
+ return $ T.pack $ renderStyle style' $
+ case writerTemplate opts of
+ Just _ -> ppDoc (Pandoc meta blocks) <> char '\n'
+ Nothing -> ppDoc blocks