81 lines
2.2 KiB
Haskell
81 lines
2.2 KiB
Haskell
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{-
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Copyright (C) 2011 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 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 native 'Pandoc' formatted text 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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nullMeta :: Meta
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nullMeta = Meta{ docTitle = []
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, docAuthors = []
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, docDate = []
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}
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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 (Meta [] [] []) [Plain [Str "hi"]]
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--
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readNative :: String -- ^ String to parse (assuming @'\n'@ line endings)
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-> Pandoc
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readNative s =
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case reads s of
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(d,_):_ -> d
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[] -> Pandoc nullMeta $ readBlocks s
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readBlocks :: String -> [Block]
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readBlocks s =
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case reads s of
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(d,_):_ -> d
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[] -> [readBlock s]
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readBlock :: String -> Block
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readBlock s =
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case reads s of
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(d,_):_ -> d
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[] -> Plain $ readInlines s
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readInlines :: String -> [Inline]
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readInlines s =
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case reads s of
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(d,_):_ -> d
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[] -> [readInline s]
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readInline :: String -> Inline
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readInline s =
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case reads s of
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(d,_):_ -> d
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[] -> error "Cannot parse document"
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