diff options
Diffstat (limited to 'src/Text/Pandoc/Writers/LaTeX.hs')
-rw-r--r-- | src/Text/Pandoc/Writers/LaTeX.hs | 117 |
1 files changed, 74 insertions, 43 deletions
diff --git a/src/Text/Pandoc/Writers/LaTeX.hs b/src/Text/Pandoc/Writers/LaTeX.hs index 4e4279ec5..804e0febc 100644 --- a/src/Text/Pandoc/Writers/LaTeX.hs +++ b/src/Text/Pandoc/Writers/LaTeX.hs @@ -39,8 +39,10 @@ import Text.Pandoc.Templates import Text.Printf ( printf ) import Network.URI ( isURI, unEscapeString ) import Data.Aeson (object, (.=), FromJSON) -import Data.List ( (\\), isInfixOf, stripPrefix, intercalate, intersperse, nub, nubBy ) -import Data.Char ( toLower, isPunctuation, isAscii, isLetter, isDigit, ord ) +import Data.List ( (\\), isInfixOf, stripPrefix, intercalate, intersperse, + nub, nubBy, foldl' ) +import Data.Char ( toLower, isPunctuation, isAscii, isLetter, isDigit, + ord, isAlphaNum ) import Data.Maybe ( fromMaybe, isJust, catMaybes ) import qualified Data.Text as T import Control.Applicative ((<|>)) @@ -223,7 +225,7 @@ pandocToLaTeX options (Pandoc meta blocks) = do ++ poly ++ "}{##2}}}\n" else "\\newcommand{\\text" ++ poly ++ "}[2][]{\\foreignlanguage{" ++ babel ++ "}{#2}}\n" ++ - "\\newenvironment{" ++ poly ++ "}[1]{\\begin{otherlanguage}{" + "\\newenvironment{" ++ poly ++ "}[2][]{\\begin{otherlanguage}{" ++ babel ++ "}}{\\end{otherlanguage}}\n" ) -- eliminate duplicates that have same polyglossia name @@ -403,25 +405,28 @@ blockToLaTeX (Div (identifier,classes,kvs) bs) = do blockToLaTeX (Plain lst) = inlineListToLaTeX $ dropWhile isLineBreakOrSpace lst -- title beginning with fig: indicates that the image is a figure -blockToLaTeX (Para [Image attr txt (src,'f':'i':'g':':':tit)]) = do +blockToLaTeX (Para [Image attr@(ident, _, _) txt (src,'f':'i':'g':':':tit)]) = do inNote <- gets stInNote modify $ \st -> st{ stInMinipage = True, stNotes = [] } capt <- inlineListToLaTeX txt notes <- gets stNotes modify $ \st -> st{ stInMinipage = False, stNotes = [] } + -- We can't have footnotes in the list of figures, so remove them: captForLof <- if null notes then return empty else brackets <$> inlineListToLaTeX (walk deNote txt) img <- inlineToLaTeX (Image attr txt (src,tit)) let footnotes = notesToLaTeX notes + lab <- labelFor ident + let caption = "\\caption" <> captForLof <> braces capt <> lab + figure <- hypertarget ident (cr <> + "\\begin{figure}[htbp]" $$ "\\centering" $$ img $$ + caption $$ "\\end{figure}" <> cr) return $ if inNote -- can't have figures in notes then "\\begin{center}" $$ img $+$ capt $$ "\\end{center}" - else "\\begin{figure}[htbp]" $$ "\\centering" $$ img $$ - ("\\caption" <> captForLof <> braces capt) $$ - "\\end{figure}" $$ - footnotes + else figure $$ footnotes -- . . . indicates pause in beamer slides blockToLaTeX (Para [Str ".",Space,Str ".",Space,Str "."]) = do beamer <- writerBeamer `fmap` gets stOptions @@ -468,23 +473,27 @@ blockToLaTeX (CodeBlock (identifier,classes,keyvalAttr) str) = do st <- get let params = if writerListings (stOptions st) then (case getListingsLanguage classes of - Just l -> [ "language=" ++ l ] + Just l -> [ "language=" ++ mbBraced l ] Nothing -> []) ++ [ "numbers=left" | "numberLines" `elem` classes || "number" `elem` classes || "number-lines" `elem` classes ] ++ [ (if key == "startFrom" then "firstnumber" - else key) ++ "=" ++ attr | + else key) ++ "=" ++ mbBraced attr | (key,attr) <- keyvalAttr ] ++ (if identifier == "" then [] else [ "label=" ++ ref ]) else [] + mbBraced x = if not (all isAlphaNum x) + then "{" <> x <> "}" + else x printParams | null params = empty - | otherwise = brackets $ hcat (intersperse ", " (map text params)) + | otherwise = brackets $ hcat (intersperse ", " + (map text params)) return $ flush ("\\begin{lstlisting}" <> printParams $$ text str $$ "\\end{lstlisting}") $$ cr let highlightedCodeBlock = @@ -505,7 +514,8 @@ blockToLaTeX (RawBlock f x) blockToLaTeX (BulletList []) = return empty -- otherwise latex error blockToLaTeX (BulletList lst) = do incremental <- gets stIncremental - let inc = if incremental then "[<+->]" else "" + beamer <- writerBeamer `fmap` gets stOptions + let inc = if beamer && incremental then "[<+->]" else "" items <- mapM listItemToLaTeX lst let spacing = if isTightList lst then text "\\tightlist" @@ -571,18 +581,21 @@ blockToLaTeX (Header level (id',classes,_) lst) = do blockToLaTeX (Table caption aligns widths heads rows) = do headers <- if all null heads then return empty - else ($$ "\\midrule\n") `fmap` - (tableRowToLaTeX True aligns widths) heads + else do + contents <- (tableRowToLaTeX True aligns widths) heads + return ("\\toprule" $$ contents $$ "\\midrule") let endhead = if all null heads then empty else text "\\endhead" + let endfirsthead = if all null heads + then empty + else text "\\endfirsthead" captionText <- inlineListToLaTeX caption let capt = if isEmpty captionText then empty - else text "\\caption" <> braces captionText - <> "\\tabularnewline\n\\toprule\n" - <> headers - <> "\\endfirsthead" + else text "\\caption" <> braces captionText <> "\\tabularnewline" + $$ headers + $$ endfirsthead rows' <- mapM (tableRowToLaTeX False aligns widths) rows let colDescriptors = text $ concat $ map toColDescriptor aligns modify $ \s -> s{ stTable = True } @@ -590,7 +603,7 @@ blockToLaTeX (Table caption aligns widths heads rows) = do braces ("@{}" <> colDescriptors <> "@{}") -- the @{} removes extra space at beginning and end $$ capt - $$ "\\toprule" + $$ (if all null heads then "\\toprule" else empty) $$ headers $$ endhead $$ vcat rows' @@ -662,8 +675,7 @@ tableCellToLaTeX header (width, align, blocks) = do AlignDefault -> "\\raggedright" return $ ("\\begin{minipage}" <> valign <> braces (text (printf "%.2f\\columnwidth" width)) <> - (halign <> "\\strut" <> cr <> cellContents <> cr) <> - "\\strut\\end{minipage}") $$ + (halign <> cr <> cellContents <> cr) <> "\\end{minipage}") $$ notesToLaTeX notes notesToLaTeX :: [Doc] -> Doc @@ -712,10 +724,9 @@ sectionHeader :: Bool -- True for unnumbered -> Int -> [Inline] -> State WriterState Doc -sectionHeader unnumbered ref level lst = do +sectionHeader unnumbered ident level lst = do txt <- inlineListToLaTeX lst - lab <- text `fmap` toLabel ref - plain <- stringToLaTeX TextString $ foldl (++) "" $ map stringify lst + plain <- stringToLaTeX TextString $ concatMap stringify lst let noNote (Note _) = Str "" noNote x = x let lstNoNotes = walk noNote lst @@ -737,16 +748,6 @@ sectionHeader unnumbered ref level lst = do book <- gets stBook opts <- gets stOptions let level' = if book || writerChapters opts then level - 1 else level - internalLinks <- gets stInternalLinks - let refLabel x = (if ref `elem` internalLinks - then text "\\hypertarget" - <> braces lab - <> braces x - else x) - let headerWith x y = refLabel $ text x <> y <> - if null ref - then empty - else text "\\label" <> braces lab let sectionType = case level' of 0 | writerBeamer opts -> "part" | otherwise -> "chapter" @@ -762,16 +763,34 @@ sectionHeader unnumbered ref level lst = do -- needed for \paragraph, \subparagraph in quote environment -- see http://tex.stackexchange.com/questions/169830/ else empty + lab <- labelFor ident + stuffing' <- hypertarget ident $ text ('\\':sectionType) <> stuffing <> lab return $ if level' > 5 then txt - else prefix $$ - headerWith ('\\':sectionType) stuffing + else prefix $$ stuffing' $$ if unnumbered then "\\addcontentsline{toc}" <> braces (text sectionType) <> braces txtNoNotes else empty +hypertarget :: String -> Doc -> State WriterState Doc +hypertarget ident x = do + ref <- text `fmap` toLabel ident + internalLinks <- gets stInternalLinks + return $ + if ident `elem` internalLinks + then text "\\hypertarget" + <> braces ref + <> braces x + else x + +labelFor :: String -> State WriterState Doc +labelFor "" = return empty +labelFor ident = do + ref <- text `fmap` toLabel ident + return $ text "\\label" <> braces ref + -- | Convert list of inline elements to LaTeX. inlineListToLaTeX :: [Inline] -- ^ Inlines to convert -> State WriterState Doc @@ -1019,7 +1038,7 @@ citationsToNatbib (c:cs) | citationMode c == AuthorInText = do citationsToNatbib cits = do cits' <- mapM convertOne cits - return $ text "\\citetext{" <> foldl combineTwo empty cits' <> text "}" + return $ text "\\citetext{" <> foldl' combineTwo empty cits' <> text "}" where combineTwo a b | isEmpty a = b | otherwise = a <> text "; " <> b @@ -1068,7 +1087,7 @@ citationsToBiblatex (one:[]) citationsToBiblatex (c:cs) = do args <- mapM convertOne (c:cs) - return $ text cmd <> foldl (<>) empty args + return $ text cmd <> foldl' (<>) empty args where cmd = case citationMode c of AuthorInText -> "\\textcites" @@ -1112,7 +1131,7 @@ toPolyglossiaEnv l = -- Takes a list of the constituents of a BCP 47 language code and -- converts it to a Polyglossia (language, options) tuple --- http://mirrors.concertpass.com/tex-archive/macros/latex/contrib/polyglossia/polyglossia.pdf +-- http://mirrors.ctan.org/macros/latex/contrib/polyglossia/polyglossia.pdf toPolyglossia :: [String] -> (String, String) toPolyglossia ("ar":"DZ":_) = ("arabic", "locale=algeria") toPolyglossia ("ar":"IQ":_) = ("arabic", "locale=mashriq") @@ -1140,17 +1159,21 @@ toPolyglossia ("en":"UK":_) = ("english", "variant=british") toPolyglossia ("en":"US":_) = ("english", "variant=american") toPolyglossia ("grc":_) = ("greek", "variant=ancient") toPolyglossia ("hsb":_) = ("usorbian", "") +toPolyglossia ("la":"x":"classic":_) = ("latin", "variant=classic") toPolyglossia ("sl":_) = ("slovenian", "") toPolyglossia x = (commonFromBcp47 x, "") -- Takes a list of the constituents of a BCP 47 language code and -- converts it to a Babel language string. --- http://mirrors.concertpass.com/tex-archive/macros/latex/required/babel/base/babel.pdf --- Note that the PDF unfortunately does not contain a complete list of supported languages. +-- http://mirrors.ctan.org/macros/latex/required/babel/base/babel.pdf +-- List of supported languages (slightly outdated): +-- http://tug.ctan.org/language/hyph-utf8/doc/generic/hyph-utf8/hyphenation.pdf toBabel :: [String] -> String toBabel ("de":"1901":_) = "german" toBabel ("de":"AT":"1901":_) = "austrian" toBabel ("de":"AT":_) = "naustrian" +toBabel ("de":"CH":"1901":_) = "swissgerman" +toBabel ("de":"CH":_) = "nswissgerman" toBabel ("de":_) = "ngerman" toBabel ("dsb":_) = "lowersorbian" toBabel ("el":"polyton":_) = "polutonikogreek" @@ -1164,6 +1187,7 @@ toBabel ("fr":"CA":_) = "canadien" toBabel ("fra":"aca":_) = "acadian" toBabel ("grc":_) = "polutonikogreek" toBabel ("hsb":_) = "uppersorbian" +toBabel ("la":"x":"classic":_) = "classiclatin" toBabel ("sl":_) = "slovene" toBabel x = commonFromBcp47 x @@ -1172,12 +1196,15 @@ toBabel x = commonFromBcp47 x -- https://tools.ietf.org/html/bcp47#section-2.1 commonFromBcp47 :: [String] -> String commonFromBcp47 [] = "" -commonFromBcp47 ("pt":"BR":_) = "brazilian" +commonFromBcp47 ("pt":"BR":_) = "brazilian" +commonFromBcp47 ("sr":"Cyrl":_) = "serbianc" +commonFromBcp47 ("zh":"Latn":"pinyin":_) = "pinyin" commonFromBcp47 x = fromIso $ head x where fromIso "af" = "afrikaans" fromIso "am" = "amharic" fromIso "ar" = "arabic" + fromIso "as" = "assamese" fromIso "ast" = "asturian" fromIso "bg" = "bulgarian" fromIso "bn" = "bengali" @@ -1201,12 +1228,13 @@ commonFromBcp47 x = fromIso $ head x fromIso "fur" = "friulan" fromIso "ga" = "irish" fromIso "gd" = "scottish" + fromIso "gez" = "ethiopic" fromIso "gl" = "galician" fromIso "he" = "hebrew" fromIso "hi" = "hindi" fromIso "hr" = "croatian" - fromIso "hy" = "armenian" fromIso "hu" = "magyar" + fromIso "hy" = "armenian" fromIso "ia" = "interlingua" fromIso "id" = "indonesian" fromIso "ie" = "interlingua" @@ -1214,6 +1242,7 @@ commonFromBcp47 x = fromIso $ head x fromIso "it" = "italian" fromIso "jp" = "japanese" fromIso "km" = "khmer" + fromIso "kmr" = "kurmanji" fromIso "kn" = "kannada" fromIso "ko" = "korean" fromIso "la" = "latin" @@ -1229,6 +1258,7 @@ commonFromBcp47 x = fromIso $ head x fromIso "no" = "norsk" fromIso "nqo" = "nko" fromIso "oc" = "occitan" + fromIso "pa" = "panjabi" fromIso "pl" = "polish" fromIso "pms" = "piedmontese" fromIso "pt" = "portuguese" @@ -1245,6 +1275,7 @@ commonFromBcp47 x = fromIso $ head x fromIso "ta" = "tamil" fromIso "te" = "telugu" fromIso "th" = "thai" + fromIso "ti" = "ethiopic" fromIso "tk" = "turkmen" fromIso "tr" = "turkish" fromIso "uk" = "ukrainian" |