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|
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
{- |
Module : Text.Pandoc.Writers.LaTeX.Lang
Copyright : Copyright (C) 2006-2021 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
-}
module Text.Pandoc.Writers.LaTeX.Lang
( toBabel
) where
import Data.Text (Text)
import Text.Collate.Lang (Lang(..))
-- Takes a list of the constituents of a BCP47 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-- List of supported languages (slightly outdated):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 :: Lang -> Text
toBabel (Lang "de" _ (Just "AT") vars _ _)
| "1901" `elem` vars = "austrian"
| otherwise = "naustrian"
toBabel (Lang "de" _ (Just "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" _ (Just "AU") _ _ _) = "australian"
toBabel (Lang "en" _ (Just "CA") _ _ _) = "canadian"
toBabel (Lang "en" _ (Just "GB") _ _ _) = "british"
toBabel (Lang "en" _ (Just "NZ") _ _ _) = "newzealand"
toBabel (Lang "en" _ (Just "UK") _ _ _) = "british"
toBabel (Lang "en" _ (Just "US") _ _ _) = "american"
toBabel (Lang "fr" _ (Just "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 "pt" _ (Just "BR") _ _ _) = "brazilian"
toBabel (Lang "sl" _ _ _ _ _) = "slovene"
toBabel x = commonFromBcp47 x
-- Takes a list of the constituents of a BCP47 language code
-- and converts it to a string shared by Babel and Polyglossia.
-- https://tools.ietf.org/html/bcp47#section-2.1
commonFromBcp47 :: Lang -> Text
commonFromBcp47 (Lang "sr" (Just "Cyrl") _ _ _ _) = "serbianc"
commonFromBcp47 (Lang "zh" (Just "Latn") _ vars _ _)
| "pinyin" `elem` vars = "pinyin"
commonFromBcp47 (Lang l _ _ _ _ _) = fromIso l
where
fromIso "af" = "afrikaans"
fromIso "am" = "amharic"
fromIso "ar" = "arabic"
fromIso "as" = "assamese"
fromIso "ast" = "asturian"
fromIso "bg" = "bulgarian"
fromIso "bn" = "bengali"
fromIso "bo" = "tibetan"
fromIso "br" = "breton"
fromIso "ca" = "catalan"
fromIso "cy" = "welsh"
fromIso "cs" = "czech"
fromIso "cop" = "coptic"
fromIso "da" = "danish"
fromIso "dv" = "divehi"
fromIso "el" = "greek"
fromIso "en" = "english"
fromIso "eo" = "esperanto"
fromIso "es" = "spanish"
fromIso "et" = "estonian"
fromIso "eu" = "basque"
fromIso "fa" = "farsi"
fromIso "fi" = "finnish"
fromIso "fr" = "french"
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 "hu" = "magyar"
fromIso "hy" = "armenian"
fromIso "ia" = "interlingua"
fromIso "id" = "indonesian"
fromIso "ie" = "interlingua"
fromIso "is" = "icelandic"
fromIso "it" = "italian"
fromIso "ja" = "japanese"
fromIso "km" = "khmer"
fromIso "kmr" = "kurmanji"
fromIso "kn" = "kannada"
fromIso "ko" = "korean"
fromIso "la" = "latin"
fromIso "lo" = "lao"
fromIso "lt" = "lithuanian"
fromIso "lv" = "latvian"
fromIso "ml" = "malayalam"
fromIso "mn" = "mongolian"
fromIso "mr" = "marathi"
fromIso "nb" = "norsk"
fromIso "nl" = "dutch"
fromIso "nn" = "nynorsk"
fromIso "no" = "norsk"
fromIso "nqo" = "nko"
fromIso "oc" = "occitan"
fromIso "pa" = "panjabi"
fromIso "pl" = "polish"
fromIso "pms" = "piedmontese"
fromIso "pt" = "portuguese"
fromIso "rm" = "romansh"
fromIso "ro" = "romanian"
fromIso "ru" = "russian"
fromIso "sa" = "sanskrit"
fromIso "se" = "samin"
fromIso "sk" = "slovak"
fromIso "sq" = "albanian"
fromIso "sr" = "serbian"
fromIso "sv" = "swedish"
fromIso "syr" = "syriac"
fromIso "ta" = "tamil"
fromIso "te" = "telugu"
fromIso "th" = "thai"
fromIso "ti" = "ethiopic"
fromIso "tk" = "turkmen"
fromIso "tr" = "turkish"
fromIso "uk" = "ukrainian"
fromIso "ur" = "urdu"
fromIso "vi" = "vietnamese"
fromIso _ = ""
|
