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{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE OverloadedStrings #-}
module Text.Pandoc.Readers.LaTeX.Citation
( citationCommands
, cites
)
where
import Text.Pandoc.Class
import Text.Pandoc.Readers.LaTeX.Parsing
import Text.Pandoc.Builder as B
import qualified Data.Map as M
import Data.Text (Text)
import Control.Applicative ((<|>), optional, many)
import Control.Monad (mzero)
import Control.Monad.Trans (lift)
import Control.Monad.Except (throwError)
import Text.Pandoc.Error (PandocError(PandocParsecError))
import Text.Pandoc.Parsing hiding (blankline, many, mathDisplay, mathInline,
optional, space, spaces, withRaw, (<|>))
citationCommands :: PandocMonad m => LP m Inlines -> M.Map Text (LP m Inlines)
citationCommands inline =
let citation = citationWith inline
tok = spaces *> grouped inline
in M.fromList
[ ("cite", citation "cite" NormalCitation False)
, ("Cite", citation "Cite" NormalCitation False)
, ("citep", citation "citep" NormalCitation False)
, ("citep*", citation "citep*" NormalCitation False)
, ("citeal", citation "citeal" NormalCitation False)
, ("citealp", citation "citealp" NormalCitation False)
, ("citealp*", citation "citealp*" NormalCitation False)
, ("autocite", citation "autocite" NormalCitation False)
, ("smartcite", citation "smartcite" NormalCitation False)
, ("footcite", inNote <$> citation "footcite" NormalCitation False)
, ("parencite", citation "parencite" NormalCitation False)
, ("supercite", citation "supercite" NormalCitation False)
, ("footcitetext", inNote <$> citation "footcitetext" NormalCitation False)
, ("citeyearpar", citation "citeyearpar" SuppressAuthor False)
, ("citeyear", citation "citeyear" SuppressAuthor False)
, ("autocite*", citation "autocite*" SuppressAuthor False)
, ("cite*", citation "cite*" SuppressAuthor False)
, ("parencite*", citation "parencite*" SuppressAuthor False)
, ("textcite", citation "textcite" AuthorInText False)
, ("citet", citation "citet" AuthorInText False)
, ("citet*", citation "citet*" AuthorInText False)
, ("citealt", citation "citealt" AuthorInText False)
, ("citealt*", citation "citealt*" AuthorInText False)
, ("textcites", citation "textcites" AuthorInText True)
, ("cites", citation "cites" NormalCitation True)
, ("autocites", citation "autocites" NormalCitation True)
, ("footcites", inNote <$> citation "footcites" NormalCitation True)
, ("parencites", citation "parencites" NormalCitation True)
, ("supercites", citation "supercites" NormalCitation True)
, ("footcitetexts", inNote <$> citation "footcitetexts" NormalCitation True)
, ("Autocite", citation "Autocite" NormalCitation False)
, ("Smartcite", citation "Smartcite" NormalCitation False)
, ("Footcite", inNote <$> citation "Footcite" NormalCitation False)
, ("Parencite", citation "Parencite" NormalCitation False)
, ("Supercite", citation "Supercite" NormalCitation False)
, ("Footcitetext", inNote <$> citation "Footcitetext" NormalCitation False)
, ("Citeyearpar", citation "Citeyearpar" SuppressAuthor False)
, ("Citeyear", citation "Citeyear" SuppressAuthor False)
, ("Autocite*", citation "Autocite*" SuppressAuthor False)
, ("Cite*", citation "Cite*" SuppressAuthor False)
, ("Parencite*", citation "Parencite*" SuppressAuthor False)
, ("Textcite", citation "Textcite" AuthorInText False)
, ("Textcites", citation "Textcites" AuthorInText True)
, ("Cites", citation "Cites" NormalCitation True)
, ("Autocites", citation "Autocites" NormalCitation True)
, ("Footcites", inNote <$> citation "Footcites" NormalCitation True)
, ("Parencites", citation "Parencites" NormalCitation True)
, ("Supercites", citation "Supercites" NormalCitation True)
, ("Footcitetexts", inNote <$> citation "Footcitetexts" NormalCitation True)
, ("citetext", complexNatbibCitation inline NormalCitation)
, ("citeauthor", (try (tok *> sp *> controlSeq "citetext") *>
complexNatbibCitation inline AuthorInText)
<|> citation "citeauthor" AuthorInText False)
, ("nocite", mempty <$ (citation "nocite" NormalCitation False >>=
addMeta "nocite"))
]
-- citations
addPrefix :: [Inline] -> [Citation] -> [Citation]
addPrefix p (k:ks) = k {citationPrefix = p ++ citationPrefix k} : ks
addPrefix _ _ = []
addSuffix :: [Inline] -> [Citation] -> [Citation]
addSuffix s ks@(_:_) =
let k = last ks
in init ks ++ [k {citationSuffix = citationSuffix k ++ s}]
addSuffix _ _ = []
simpleCiteArgs :: forall m . PandocMonad m => LP m Inlines -> LP m [Citation]
simpleCiteArgs inline = try $ do
first <- optionMaybe $ toList <$> opt
second <- optionMaybe $ toList <$> opt
keys <- try $ bgroup *> manyTill citationLabel egroup
let (pre, suf) = case (first , second ) of
(Just s , Nothing) -> (mempty, s )
(Just s , Just t ) -> (s , t )
_ -> (mempty, mempty)
conv k = Citation { citationId = k
, citationPrefix = []
, citationSuffix = []
, citationMode = NormalCitation
, citationHash = 0
, citationNoteNum = 0
}
return $ addPrefix pre $ addSuffix suf $ map conv keys
where
opt :: PandocMonad m => LP m Inlines
opt = do
toks <- try (sp *> bracketedToks <* sp)
-- now parse the toks as inlines
st <- getState
parsed <- lift $
runParserT (mconcat <$> many inline) st "bracketed option" toks
case parsed of
Right result -> return result
Left e -> throwError $ PandocParsecError (toSources toks) e
citationLabel :: PandocMonad m => LP m Text
citationLabel = do
sp
untokenize <$>
(many1 (satisfyTok isWordTok <|> symbolIn bibtexKeyChar)
<* sp
<* optional (symbol ',')
<* sp)
where bibtexKeyChar = ".:;?!`'()/*@_+=-&[]" :: [Char]
cites :: PandocMonad m
=> LP m Inlines -> CitationMode -> Bool -> LP m [Citation]
cites inline mode multi = try $ do
let paropt = parenWrapped inline
cits <- if multi
then do
multiprenote <- optionMaybe $ toList <$> paropt
multipostnote <- optionMaybe $ toList <$> paropt
let (pre, suf) = case (multiprenote, multipostnote) of
(Just s , Nothing) -> (mempty, s)
(Nothing , Just t) -> (mempty, t)
(Just s , Just t ) -> (s, t)
_ -> (mempty, mempty)
tempCits <- many1 $ simpleCiteArgs inline
case tempCits of
(k:ks) -> case ks of
(_:_) -> return $ (addMprenote pre k : init ks) ++
[addMpostnote suf (last ks)]
_ -> return [addMprenote pre (addMpostnote suf k)]
_ -> return [[]]
else count 1 $ simpleCiteArgs inline
let cs = concat cits
return $ case mode of
AuthorInText -> case cs of
(c:rest) -> c {citationMode = mode} : rest
[] -> []
_ -> map (\a -> a {citationMode = mode}) cs
where mprenote (k:ks) = (k:ks) ++ [Space]
mprenote _ = mempty
mpostnote (k:ks) = [Str ",", Space] ++ (k:ks)
mpostnote _ = mempty
addMprenote mpn (k:ks) =
let mpnfinal = case citationPrefix k of
(_:_) -> mprenote mpn
_ -> mpn
in addPrefix mpnfinal (k:ks)
addMprenote _ _ = []
addMpostnote = addSuffix . mpostnote
citationWith :: PandocMonad m
=> LP m Inlines -> Text -> CitationMode -> Bool -> LP m Inlines
citationWith inline name mode multi = do
(c,raw) <- withRaw $ cites inline mode multi
return $ cite c (rawInline "latex" $ "\\" <> name <> untokenize raw)
handleCitationPart :: Inlines -> [Citation]
handleCitationPart ils =
let isCite Cite{} = True
isCite _ = False
(pref, rest) = break isCite (toList ils)
in case rest of
(Cite cs _:suff) -> addPrefix pref $ addSuffix suff cs
_ -> []
complexNatbibCitation :: PandocMonad m
=> LP m Inlines -> CitationMode -> LP m Inlines
complexNatbibCitation inline mode = try $ do
(cs, raw) <-
withRaw $ concat <$> do
bgroup
items <- mconcat <$>
many1 (notFollowedBy (symbol ';') >> inline)
`sepBy1` symbol ';'
egroup
return $ map handleCitationPart items
case cs of
[] -> mzero
(c:cits) -> return $ cite (c{ citationMode = mode }:cits)
(rawInline "latex" $ "\\citetext" <> untokenize raw)
inNote :: Inlines -> Inlines
inNote ils =
note $ para $ ils <> str "."
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