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Diffstat (limited to 'src/Text/Pandoc/Readers/LaTeX/Citation.hs')
-rw-r--r-- | src/Text/Pandoc/Readers/LaTeX/Citation.hs | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/Text/Pandoc/Readers/LaTeX/Citation.hs b/src/Text/Pandoc/Readers/LaTeX/Citation.hs new file mode 100644 index 000000000..655823dab --- /dev/null +++ b/src/Text/Pandoc/Readers/LaTeX/Citation.hs @@ -0,0 +1,210 @@ +{-# 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 (untokenize 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 "." + |