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{-
Copyright (C) 2017 defanor <defanor@uberspace.net>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-}
{- |
Module : Text.Pandoc.Readers.Plain
Maintainer : defanor <defanor@uberspace.net>
Stability : unstable
Portability : portable
-}
{-# LANGUAGE OverloadedStrings #-}
module Text.Pandoc.Readers.Plain ( readPlain
, lineToInlines
) where
import Text.Pandoc.Definition
import Text.Pandoc.Class
import qualified Data.Text as T
-- | Translates a text line into a list of 'Inline' elements suitable
-- for further processing.
lineToInlines :: String -> [Inline]
lineToInlines [] = []
lineToInlines (' ':rest) = Space : lineToInlines rest
lineToInlines s = let (cur, next) = break (== ' ') s
in Str cur : lineToInlines next
-- | Reads plain text, always succeeding and producing a single
-- 'Plain' block.
readPlain :: PandocMonad m => T.Text -> m Pandoc
readPlain = pure . Pandoc mempty . pure . LineBlock
. map (\l -> (lineToInlines $ T.unpack l))
. T.lines . T.filter (/= '\r')
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