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|
{-# LANGUAGE OverloadedStrings #-}
{- |
Module : Text.Pandoc.Readers.LaTeX.Lang
Copyright : Copyright (C) 2018-2021 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Functions for parsing polyglossia and babel language specifiers to
BCP47 'Lang'.
-}
module Text.Pandoc.Readers.LaTeX.Lang
( setDefaultLanguage
, polyglossiaLangToBCP47
, babelLangToBCP47
)
where
import qualified Data.Map as M
import qualified Data.Text as T
import Text.Pandoc.BCP47 (Lang(..), renderLang)
import Text.Pandoc.Class (PandocMonad(..), setTranslations)
import Text.Pandoc.Readers.LaTeX.Parsing
import Text.Pandoc.Parsing (updateState, option)
import Text.Pandoc.Builder (Blocks, setMeta, str)
setDefaultLanguage :: PandocMonad m => LP m Blocks
setDefaultLanguage = do
o <- option "" $ T.filter (\c -> c /= '[' && c /= ']')
<$> rawopt
polylang <- untokenize <$> braced
case M.lookup polylang polyglossiaLangToBCP47 of
Nothing -> return mempty -- TODO mzero? warning?
Just langFunc -> do
let l = langFunc o
setTranslations l
updateState $ setMeta "lang" $ str (renderLang l)
return mempty
polyglossiaLangToBCP47 :: M.Map T.Text (T.Text -> Lang)
polyglossiaLangToBCP47 = M.fromList
[ ("arabic", \o -> case T.filter (/=' ') o of
"locale=algeria" -> Lang "ar" "" "DZ" []
"locale=mashriq" -> Lang "ar" "" "SY" []
"locale=libya" -> Lang "ar" "" "LY" []
"locale=morocco" -> Lang "ar" "" "MA" []
"locale=mauritania" -> Lang "ar" "" "MR" []
"locale=tunisia" -> Lang "ar" "" "TN" []
_ -> Lang "ar" "" "" [])
, ("german", \o -> case T.filter (/=' ') o of
"spelling=old" -> Lang "de" "" "DE" ["1901"]
"variant=austrian,spelling=old"
-> Lang "de" "" "AT" ["1901"]
"variant=austrian" -> Lang "de" "" "AT" []
"variant=swiss,spelling=old"
-> Lang "de" "" "CH" ["1901"]
"variant=swiss" -> Lang "de" "" "CH" []
_ -> Lang "de" "" "" [])
, ("lsorbian", \_ -> Lang "dsb" "" "" [])
, ("greek", \o -> case T.filter (/=' ') o of
"variant=poly" -> Lang "el" "" "polyton" []
"variant=ancient" -> Lang "grc" "" "" []
_ -> Lang "el" "" "" [])
, ("english", \o -> case T.filter (/=' ') o of
"variant=australian" -> Lang "en" "" "AU" []
"variant=canadian" -> Lang "en" "" "CA" []
"variant=british" -> Lang "en" "" "GB" []
"variant=newzealand" -> Lang "en" "" "NZ" []
"variant=american" -> Lang "en" "" "US" []
_ -> Lang "en" "" "" [])
, ("usorbian", \_ -> Lang "hsb" "" "" [])
, ("latin", \o -> case T.filter (/=' ') o of
"variant=classic" -> Lang "la" "" "" ["x-classic"]
_ -> Lang "la" "" "" [])
, ("slovenian", \_ -> Lang "sl" "" "" [])
, ("serbianc", \_ -> Lang "sr" "cyrl" "" [])
, ("pinyin", \_ -> Lang "zh" "Latn" "" ["pinyin"])
, ("afrikaans", \_ -> Lang "af" "" "" [])
, ("amharic", \_ -> Lang "am" "" "" [])
, ("assamese", \_ -> Lang "as" "" "" [])
, ("asturian", \_ -> Lang "ast" "" "" [])
, ("bulgarian", \_ -> Lang "bg" "" "" [])
, ("bengali", \_ -> Lang "bn" "" "" [])
, ("tibetan", \_ -> Lang "bo" "" "" [])
, ("breton", \_ -> Lang "br" "" "" [])
, ("catalan", \_ -> Lang "ca" "" "" [])
, ("welsh", \_ -> Lang "cy" "" "" [])
, ("czech", \_ -> Lang "cs" "" "" [])
, ("coptic", \_ -> Lang "cop" "" "" [])
, ("danish", \_ -> Lang "da" "" "" [])
, ("divehi", \_ -> Lang "dv" "" "" [])
, ("esperanto", \_ -> Lang "eo" "" "" [])
, ("spanish", \_ -> Lang "es" "" "" [])
, ("estonian", \_ -> Lang "et" "" "" [])
, ("basque", \_ -> Lang "eu" "" "" [])
, ("farsi", \_ -> Lang "fa" "" "" [])
, ("finnish", \_ -> Lang "fi" "" "" [])
, ("french", \_ -> Lang "fr" "" "" [])
, ("friulan", \_ -> Lang "fur" "" "" [])
, ("irish", \_ -> Lang "ga" "" "" [])
, ("scottish", \_ -> Lang "gd" "" "" [])
, ("ethiopic", \_ -> Lang "gez" "" "" [])
, ("galician", \_ -> Lang "gl" "" "" [])
, ("hebrew", \_ -> Lang "he" "" "" [])
, ("hindi", \_ -> Lang "hi" "" "" [])
, ("croatian", \_ -> Lang "hr" "" "" [])
, ("magyar", \_ -> Lang "hu" "" "" [])
, ("armenian", \_ -> Lang "hy" "" "" [])
, ("interlingua", \_ -> Lang "ia" "" "" [])
, ("indonesian", \_ -> Lang "id" "" "" [])
, ("icelandic", \_ -> Lang "is" "" "" [])
, ("italian", \_ -> Lang "it" "" "" [])
, ("japanese", \_ -> Lang "jp" "" "" [])
, ("khmer", \_ -> Lang "km" "" "" [])
, ("kurmanji", \_ -> Lang "kmr" "" "" [])
, ("kannada", \_ -> Lang "kn" "" "" [])
, ("korean", \_ -> Lang "ko" "" "" [])
, ("lao", \_ -> Lang "lo" "" "" [])
, ("lithuanian", \_ -> Lang "lt" "" "" [])
, ("latvian", \_ -> Lang "lv" "" "" [])
, ("malayalam", \_ -> Lang "ml" "" "" [])
, ("mongolian", \_ -> Lang "mn" "" "" [])
, ("marathi", \_ -> Lang "mr" "" "" [])
, ("dutch", \_ -> Lang "nl" "" "" [])
, ("nynorsk", \_ -> Lang "nn" "" "" [])
, ("norsk", \_ -> Lang "no" "" "" [])
, ("nko", \_ -> Lang "nqo" "" "" [])
, ("occitan", \_ -> Lang "oc" "" "" [])
, ("panjabi", \_ -> Lang "pa" "" "" [])
, ("polish", \_ -> Lang "pl" "" "" [])
, ("piedmontese", \_ -> Lang "pms" "" "" [])
, ("portuguese", \_ -> Lang "pt" "" "" [])
, ("romansh", \_ -> Lang "rm" "" "" [])
, ("romanian", \_ -> Lang "ro" "" "" [])
, ("russian", \_ -> Lang "ru" "" "" [])
, ("sanskrit", \_ -> Lang "sa" "" "" [])
, ("samin", \_ -> Lang "se" "" "" [])
, ("slovak", \_ -> Lang "sk" "" "" [])
, ("albanian", \_ -> Lang "sq" "" "" [])
, ("serbian", \_ -> Lang "sr" "" "" [])
, ("swedish", \_ -> Lang "sv" "" "" [])
, ("syriac", \_ -> Lang "syr" "" "" [])
, ("tamil", \_ -> Lang "ta" "" "" [])
, ("telugu", \_ -> Lang "te" "" "" [])
, ("thai", \_ -> Lang "th" "" "" [])
, ("turkmen", \_ -> Lang "tk" "" "" [])
, ("turkish", \_ -> Lang "tr" "" "" [])
, ("ukrainian", \_ -> Lang "uk" "" "" [])
, ("urdu", \_ -> Lang "ur" "" "" [])
, ("vietnamese", \_ -> Lang "vi" "" "" [])
]
babelLangToBCP47 :: T.Text -> Maybe Lang
babelLangToBCP47 s =
case s of
"austrian" -> Just $ Lang "de" "" "AT" ["1901"]
"naustrian" -> Just $ Lang "de" "" "AT" []
"swissgerman" -> Just $ Lang "de" "" "CH" ["1901"]
"nswissgerman" -> Just $ Lang "de" "" "CH" []
"german" -> Just $ Lang "de" "" "DE" ["1901"]
"ngerman" -> Just $ Lang "de" "" "DE" []
"lowersorbian" -> Just $ Lang "dsb" "" "" []
"uppersorbian" -> Just $ Lang "hsb" "" "" []
"polutonikogreek" -> Just $ Lang "el" "" "" ["polyton"]
"slovene" -> Just $ Lang "sl" "" "" []
"australian" -> Just $ Lang "en" "" "AU" []
"canadian" -> Just $ Lang "en" "" "CA" []
"british" -> Just $ Lang "en" "" "GB" []
"newzealand" -> Just $ Lang "en" "" "NZ" []
"american" -> Just $ Lang "en" "" "US" []
"classiclatin" -> Just $ Lang "la" "" "" ["x-classic"]
_ -> ($ "") <$> M.lookup s polyglossiaLangToBCP47
|
