diff options
| -rw-r--r-- | src/Text/Pandoc/Writers/LaTeX.hs | 194 |
1 files changed, 105 insertions, 89 deletions
diff --git a/src/Text/Pandoc/Writers/LaTeX.hs b/src/Text/Pandoc/Writers/LaTeX.hs index 53a67a27a..5d505ed15 100644 --- a/src/Text/Pandoc/Writers/LaTeX.hs +++ b/src/Text/Pandoc/Writers/LaTeX.hs @@ -39,12 +39,13 @@ import Control.Monad.State.Strict import Data.Aeson (FromJSON, object, (.=)) import Data.Char (isAlphaNum, isAscii, isDigit, isLetter, isPunctuation, ord, toLower) -import Data.List (foldl', intercalate, intersperse, isInfixOf, nub, nubBy, +import Data.List (foldl', intercalate, intersperse, isInfixOf, nubBy, stripPrefix, (\\)) import Data.Maybe (catMaybes, fromMaybe, isJust) import Data.Text (Text) import qualified Data.Text as T import Network.URI (unEscapeString) +import Text.Pandoc.BCP47 (Lang(..), toLang, getLang, renderLang) import Text.Pandoc.Class (PandocMonad, report) import Text.Pandoc.Definition import Text.Pandoc.Highlighting (formatLaTeXBlock, formatLaTeXInline, highlight, @@ -188,7 +189,8 @@ pandocToLaTeX options (Pandoc meta blocks) = do st <- get titleMeta <- stringToLaTeX TextString $ stringify $ docTitle meta authorsMeta <- mapM (stringToLaTeX TextString . stringify) $ docAuthors meta - let docLangs = nub $ query (extract "lang") blocks + docLangs <- catMaybes <$> + mapM (toLang . Just) (ordNub (query (extract "lang") blocks)) let hasStringValue x = isJust (getField x metadata :: Maybe String) let geometryFromMargins = intercalate [','] $ catMaybes $ map (\(x,y) -> @@ -198,6 +200,18 @@ pandocToLaTeX options (Pandoc meta blocks) = do ,("tmargin","margin-top") ,("bmargin","margin-bottom") ] + let toPolyObj lang = object [ "name" .= T.pack name + , "options" .= T.pack opts ] + where + (name, opts) = toPolyglossia lang + mblang <- toLang $ case getLang options meta of + Just l -> Just l + Nothing | null docLangs -> Nothing + | otherwise -> Just "en" + -- we need a default here since lang is used in template conditionals + + let dirs = query (extract "dir") blocks + let context = defField "toc" (writerTableOfContents options) $ defField "toc-depth" (show (writerTOCDepth options - if stBook st @@ -235,26 +249,20 @@ pandocToLaTeX options (Pandoc meta blocks) = do Biblatex -> defField "biblio-title" biblioTitle . defField "biblatex" True _ -> id) $ - -- set lang to something so polyglossia/babel is included - defField "lang" (if null docLangs then ""::String else "en") $ - defField "otherlangs" docLangs $ defField "colorlinks" (any hasStringValue ["citecolor", "urlcolor", "linkcolor", "toccolor"]) $ - defField "dir" (if (null $ query (extract "dir") blocks) - then ""::String - else "ltr") $ + (if null dirs + then id + else defField "dir" ("ltr" :: String)) $ defField "section-titles" True $ defField "geometry" geometryFromMargins $ metadata - let toPolyObj lang = object [ "name" .= T.pack name - , "options" .= T.pack opts ] - where - (name, opts) = toPolyglossia lang - let lang = maybe [] (splitBy (=='-')) $ getField "lang" context - otherlangs = maybe [] (map $ splitBy (=='-')) $ getField "otherlangs" context let context' = - defField "babel-lang" (toBabel lang) - $ defField "babel-otherlangs" (map toBabel otherlangs) + -- note: lang is used in some conditionals in the template, + -- so we need to set it if we have any babel/polyglossia: + maybe id (defField "lang" . renderLang) mblang + $ maybe id (defField "babel-lang" . toBabel) mblang + $ defField "babel-otherlangs" (map toBabel docLangs) $ defField "babel-newcommands" (concatMap (\(poly, babel) -> -- \textspanish and \textgalician are already used by babel -- save them as \oritext... and let babel use that @@ -274,16 +282,12 @@ pandocToLaTeX options (Pandoc meta blocks) = do -- eliminate duplicates that have same polyglossia name $ nubBy (\a b -> fst a == fst b) -- find polyglossia and babel names of languages used in the document - $ map (\l -> - let lng = splitBy (=='-') l - in (fst $ toPolyglossia lng, toBabel lng) - ) - docLangs ) - $ defField "polyglossia-lang" (toPolyObj lang) - $ defField "polyglossia-otherlangs" (map toPolyObj otherlangs) - $ defField "latex-dir-rtl" (case (getField "dir" context)::Maybe String of - Just "rtl" -> True - _ -> False) + $ map (\l -> (fst $ toPolyglossia l, toBabel l)) docLangs + ) + $ maybe id (defField "polyglossia-lang" . toPolyObj) mblang + $ defField "polyglossia-otherlangs" (map toPolyObj docLangs) + $ defField "latex-dir-rtl" + (getField "dir" context == Just ("rtl" :: String)) $ context case writerTemplate options of Nothing -> return main @@ -443,11 +447,12 @@ blockToLaTeX (Div (identifier,classes,kvs) bs) = do -> "\\leavevmode" <> linkAnchor' <> "%" _ -> linkAnchor' let align dir txt = inCmd "begin" dir $$ txt $$ inCmd "end" dir + lang <- toLang $ lookup "lang" kvs let wrapDir = case lookup "dir" kvs of Just "rtl" -> align "RTL" Just "ltr" -> align "LTR" _ -> id - wrapLang txt = case lookup "lang" kvs of + wrapLang txt = case lang of Just lng -> let (l, o) = toPolyglossiaEnv lng ops = if null o then "" @@ -918,13 +923,14 @@ inlineToLaTeX :: PandocMonad m -> LW m Doc inlineToLaTeX (Span (id',classes,kvs) ils) = do linkAnchor <- hypertarget False id' empty + lang <- toLang $ lookup "lang" kvs let cmds = ["textup" | "csl-no-emph" `elem` classes] ++ ["textnormal" | "csl-no-strong" `elem` classes || "csl-no-smallcaps" `elem` classes] ++ ["RL" | ("dir", "rtl") `elem` kvs] ++ ["LR" | ("dir", "ltr") `elem` kvs] ++ - (case lookup "lang" kvs of - Just lng -> let (l, o) = toPolyglossia $ splitBy (=='-') lng + (case lang of + Just lng -> let (l, o) = toPolyglossia lng ops = if null o then "" else ("[" ++ o ++ "]") in ["text" ++ l ++ ops] Nothing -> []) @@ -1254,85 +1260,95 @@ lookKey :: String -> Attr -> [String] lookKey key (_,_,kvs) = maybe [] words $ lookup key kvs -- In environments \Arabic instead of \arabic is used -toPolyglossiaEnv :: String -> (String, String) +toPolyglossiaEnv :: Lang -> (String, String) toPolyglossiaEnv l = - case toPolyglossia $ (splitBy (=='-')) l of + case toPolyglossia l of ("arabic", o) -> ("Arabic", o) x -> x -- Takes a list of the constituents of a BCP 47 language code and -- converts it to a Polyglossia (language, options) tuple -- 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") -toPolyglossia ("ar":"JO":_) = ("arabic", "locale=mashriq") -toPolyglossia ("ar":"LB":_) = ("arabic", "locale=mashriq") -toPolyglossia ("ar":"LY":_) = ("arabic", "locale=libya") -toPolyglossia ("ar":"MA":_) = ("arabic", "locale=morocco") -toPolyglossia ("ar":"MR":_) = ("arabic", "locale=mauritania") -toPolyglossia ("ar":"PS":_) = ("arabic", "locale=mashriq") -toPolyglossia ("ar":"SY":_) = ("arabic", "locale=mashriq") -toPolyglossia ("ar":"TN":_) = ("arabic", "locale=tunisia") -toPolyglossia ("de":"1901":_) = ("german", "spelling=old") -toPolyglossia ("de":"AT":"1901":_) = ("german", "variant=austrian, spelling=old") -toPolyglossia ("de":"AT":_) = ("german", "variant=austrian") -toPolyglossia ("de":"CH":"1901":_) = ("german", "variant=swiss, spelling=old") -toPolyglossia ("de":"CH":_) = ("german", "variant=swiss") -toPolyglossia ("de":_) = ("german", "") -toPolyglossia ("dsb":_) = ("lsorbian", "") -toPolyglossia ("el":"polyton":_) = ("greek", "variant=poly") -toPolyglossia ("en":"AU":_) = ("english", "variant=australian") -toPolyglossia ("en":"CA":_) = ("english", "variant=canadian") -toPolyglossia ("en":"GB":_) = ("english", "variant=british") -toPolyglossia ("en":"NZ":_) = ("english", "variant=newzealand") -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, "") +toPolyglossia :: Lang -> (String, String) +toPolyglossia (Lang "ar" _ "DZ" _) = ("arabic", "locale=algeria") +toPolyglossia (Lang "ar" _ "IQ" _) = ("arabic", "locale=mashriq") +toPolyglossia (Lang "ar" _ "JO" _) = ("arabic", "locale=mashriq") +toPolyglossia (Lang "ar" _ "LB" _) = ("arabic", "locale=mashriq") +toPolyglossia (Lang "ar" _ "LY" _) = ("arabic", "locale=libya") +toPolyglossia (Lang "ar" _ "MA" _) = ("arabic", "locale=morocco") +toPolyglossia (Lang "ar" _ "MR" _) = ("arabic", "locale=mauritania") +toPolyglossia (Lang "ar" _ "PS" _) = ("arabic", "locale=mashriq") +toPolyglossia (Lang "ar" _ "SY" _) = ("arabic", "locale=mashriq") +toPolyglossia (Lang "ar" _ "TN" _) = ("arabic", "locale=tunisia") +toPolyglossia (Lang "de" _ _ vars) + | "1901" `elem` vars = ("german", "spelling=old") +toPolyglossia (Lang "de" _ "AT" vars) + | "1901" `elem` vars = ("german", "variant=austrian, spelling=old") +toPolyglossia (Lang "de" _ "AT" _) = ("german", "variant=austrian") +toPolyglossia (Lang "de" _ "CH" vars) + | "1901" `elem` vars = ("german", "variant=swiss, spelling=old") +toPolyglossia (Lang "de" _ "CH" _) = ("german", "variant=swiss") +toPolyglossia (Lang "de" _ _ _) = ("german", "") +toPolyglossia (Lang "dsb" _ _ _) = ("lsorbian", "") +toPolyglossia (Lang "el" _ "polyton" _) = ("greek", "variant=poly") +toPolyglossia (Lang "en" _ "AU" _) = ("english", "variant=australian") +toPolyglossia (Lang "en" _ "CA" _) = ("english", "variant=canadian") +toPolyglossia (Lang "en" _ "GB" _) = ("english", "variant=british") +toPolyglossia (Lang "en" _ "NZ" _) = ("english", "variant=newzealand") +toPolyglossia (Lang "en" _ "UK" _) = ("english", "variant=british") +toPolyglossia (Lang "en" _ "US" _) = ("english", "variant=american") +toPolyglossia (Lang "grc" _ _ _) = ("greek", "variant=ancient") +toPolyglossia (Lang "hsb" _ _ _) = ("usorbian", "") +toPolyglossia (Lang "la" _ _ vars) + | "x-classic" `elem` vars = ("latin", "variant=classic") +toPolyglossia (Lang "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.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" -toBabel ("en":"AU":_) = "australian" -toBabel ("en":"CA":_) = "canadian" -toBabel ("en":"GB":_) = "british" -toBabel ("en":"NZ":_) = "newzealand" -toBabel ("en":"UK":_) = "british" -toBabel ("en":"US":_) = "american" -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 +toBabel :: Lang -> String +toBabel (Lang "de" _ "AT" vars) + | "1901" `elem` vars = "austrian" + | otherwise = "naustrian" +toBabel (Lang "de" _ "CH" vars) + | "1901" `elem` vars = "swissgerman" + | otherwise = "nswissgerman" +toBabel (Lang "de" _ _ vars) + | "1901" `elem` vars = "german" + | otherwise = "ngerman" +toBabel (Lang "dsb" _ _ _) = "lowersorbian" +toBabel (Lang "el" _ _ vars) + | "polyton" `elem` vars = "polutonikogreek" +toBabel (Lang "en" _ "AU" _) = "australian" +toBabel (Lang "en" _ "CA" _) = "canadian" +toBabel (Lang "en" _ "GB" _) = "british" +toBabel (Lang "en" _ "NZ" _) = "newzealand" +toBabel (Lang "en" _ "UK" _) = "british" +toBabel (Lang "en" _ "US" _) = "american" +toBabel (Lang "fr" _ "CA" _) = "canadien" +toBabel (Lang "fra" _ _ vars) + | "aca" `elem` vars = "acadian" +toBabel (Lang "grc" _ _ _) = "polutonikogreek" +toBabel (Lang "hsb" _ _ _) = "uppersorbian" +toBabel (Lang "la" _ _ vars) + | "x-classic" `elem` vars = "classiclatin" +toBabel (Lang "sl" _ _ _) = "slovene" +toBabel x = commonFromBcp47 x -- Takes a list of the constituents of a BCP 47 language code -- and converts it to a string shared by Babel and Polyglossia. -- https://tools.ietf.org/html/bcp47#section-2.1 -commonFromBcp47 :: [String] -> String -commonFromBcp47 [] = "" -commonFromBcp47 ("pt":"BR":_) = "brazil" +commonFromBcp47 :: Lang -> String +commonFromBcp47 (Lang "pt" _ "BR" _) = "brazil" -- Note: documentation says "brazilian" works too, but it doesn't seem to work -- on some systems. See #2953. -commonFromBcp47 ("sr":"Cyrl":_) = "serbianc" -commonFromBcp47 ("zh":"Latn":"pinyin":_) = "pinyin" -commonFromBcp47 x = fromIso $ head x +commonFromBcp47 (Lang "sr" "Cyrl" _ _) = "serbianc" +commonFromBcp47 (Lang "zh" "Latn" _ vars) + | "pinyin" `elem` vars = "pinyin" +commonFromBcp47 (Lang l _ _ _) = fromIso l where fromIso "af" = "afrikaans" fromIso "am" = "amharic" |