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{-# LANGUAGE OverloadedStrings #-}
{- |
Module : Text.Pandoc.Writers.Native
Copyright : Copyright (C) 2006-2021 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Conversion of a 'Pandoc' document to a string representation.
-}
module Text.Pandoc.Writers.Native ( writeNative )
where
import Data.Text (Text)
import qualified Data.Text as T
import Text.Pandoc.Class.PandocMonad (PandocMonad)
import Text.Pandoc.Definition
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) = 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
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