63 lines
2.2 KiB
Haskell
63 lines
2.2 KiB
Haskell
{-
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Copyright (C) 2011-2015 John MacFarlane <jgm@berkeley.edu>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; Either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-}
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{- |
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Module : Text.Pandoc.Readers.Native
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Copyright : Copyright (C) 2011-2015 John MacFarlane
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License : GNU GPL, version 2 or above
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Maintainer : John MacFarlane <jgm@berkeley.edu>
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Stability : alpha
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Portability : portable
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Conversion of a string representation of a pandoc type (@Pandoc@,
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@[Block]@, @Block@, @[Inline]@, or @Inline@) to a @Pandoc@ document.
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-}
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module Text.Pandoc.Readers.Native ( readNative ) where
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import Text.Pandoc.Definition
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import Text.Pandoc.Shared (safeRead)
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import Text.Pandoc.Error
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-- | Read native formatted text and return a Pandoc document.
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-- The input may be a full pandoc document, a block list, a block,
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-- an inline list, or an inline. Thus, for example,
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--
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-- > Str "hi"
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--
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-- will be treated as if it were
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--
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-- > Pandoc nullMeta [Plain [Str "hi"]]
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--
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readNative :: String -- ^ String to parse (assuming @'\n'@ line endings)
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-> Either PandocError Pandoc
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readNative s = maybe (Pandoc nullMeta <$> readBlocks s) Right (safeRead s)
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readBlocks :: String -> Either PandocError [Block]
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readBlocks s = maybe ((:[]) <$> readBlock s) Right (safeRead s)
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readBlock :: String -> Either PandocError Block
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readBlock s = maybe (Plain <$> readInlines s) Right (safeRead s)
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readInlines :: String -> Either PandocError [Inline]
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readInlines s = maybe ((:[]) <$> readInline s) Right (safeRead s)
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readInline :: String -> Either PandocError Inline
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readInline s = maybe (Left . ParseFailure $ "Could not read: " ++ s) Right (safeRead s)
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