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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
, enquoteCommands
, inlineLanguageCommands
)
where
import qualified Data.Map as M
import Data.Text (Text)
import qualified Data.Text as T
import Text.Pandoc.Shared (extractSpaces)
import Text.Collate.Lang (Lang(..), renderLang)
import Text.Pandoc.Class (PandocMonad(..), setTranslations)
import Text.Pandoc.Readers.LaTeX.Parsing
import Text.Pandoc.Parsing (updateState, option, getState, QuoteContext(..),
withQuoteContext)
import Text.Pandoc.Builder (Blocks, Inlines, setMeta, str, spanWith,
singleQuoted, doubleQuoted)
enquote :: PandocMonad m
=> LP m Inlines
-> Bool -> Maybe Text -> LP m Inlines
enquote tok starred mblang = do
skipopts
let lang = mblang >>= babelLangToBCP47
let langspan = case lang of
Nothing -> id
Just l -> spanWith ("",[],[("lang", renderLang l)])
quoteContext <- sQuoteContext <$> getState
if starred || quoteContext == InDoubleQuote
then singleQuoted . langspan <$> withQuoteContext InSingleQuote tok
else doubleQuoted . langspan <$> withQuoteContext InDoubleQuote tok
enquoteCommands :: PandocMonad m
=> LP m Inlines -> M.Map Text (LP m Inlines)
enquoteCommands tok = M.fromList
[ ("enquote*", enquote tok True Nothing)
, ("enquote", enquote tok False Nothing)
-- foreignquote is supposed to use native quote marks
, ("foreignquote*", braced >>= enquote tok True . Just . untokenize)
, ("foreignquote", braced >>= enquote tok False . Just . untokenize)
-- hypehnquote uses regular quotes
, ("hyphenquote*", braced >>= enquote tok True . Just . untokenize)
, ("hyphenquote", braced >>= enquote tok False . Just . untokenize)
]
foreignlanguage :: PandocMonad m => LP m Inlines -> LP m Inlines
foreignlanguage tok = do
babelLang <- untokenize <$> braced
case babelLangToBCP47 babelLang of
Just lang -> spanWith ("", [], [("lang", renderLang lang)]) <$> tok
_ -> tok
inlineLanguageCommands :: PandocMonad m
=> LP m Inlines -> M.Map Text (LP m Inlines)
inlineLanguageCommands tok =
M.fromList $
("foreignlanguage", foreignlanguage tok) :
(mk <$> M.toList polyglossiaLangToBCP47)
where
mk (polyglossia, bcp47Func) =
("text" <> polyglossia, inlineLanguage tok bcp47Func)
inlineLanguage :: PandocMonad m
=> LP m Inlines -> (Text -> Lang) -> LP m Inlines
inlineLanguage tok bcp47Func = do
o <- option "" $ T.filter (\c -> c /= '[' && c /= ']')
<$> rawopt
let lang = renderLang $ bcp47Func o
extractSpaces (spanWith ("", [], [("lang", lang)])) <$> tok
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" Nothing (Just "DZ") [] [] []
"locale=mashriq" -> Lang "ar" Nothing (Just "SY") [] [] []
"locale=libya" -> Lang "ar" Nothing (Just "LY") [] [] []
"locale=morocco" -> Lang "ar" Nothing (Just "MA") [] [] []
"locale=mauritania" -> Lang "ar" Nothing (Just "MR") [] [] []
"locale=tunisia" -> Lang "ar" Nothing (Just "TN") [] [] []
_ -> Lang "ar" Nothing (Just "") [] [] [])
, ("german", \o -> case T.filter (/=' ') o of
"spelling=old" -> Lang "de" Nothing (Just "DE") ["1901"] [] []
"variant=austrian,spelling=old"
-> Lang "de" Nothing (Just "AT") ["1901"] [] []
"variant=austrian" -> Lang "de" Nothing (Just "AT") [] [] []
"variant=swiss,spelling=old"
-> Lang "de" Nothing (Just "CH") ["1901"] [] []
"variant=swiss" -> Lang "de" Nothing (Just "CH") [] [] []
_ -> Lang "de" Nothing Nothing [] [] [])
, ("lsorbian", \_ -> Lang "dsb" Nothing Nothing [] [] [])
, ("greek", \o -> case T.filter (/=' ') o of
"variant=poly" -> Lang "el" Nothing (Just "polyton") [] [] []
"variant=ancient" -> Lang "grc" Nothing Nothing [] [] []
_ -> Lang "el" Nothing Nothing [] [] [])
, ("english", \o -> case T.filter (/=' ') o of
"variant=australian" -> Lang "en" Nothing (Just "AU") [] [] []
"variant=canadian" -> Lang "en" Nothing (Just "CA") [] [] []
"variant=british" -> Lang "en" Nothing (Just "GB") [] [] []
"variant=newzealand" -> Lang "en" Nothing (Just "NZ") [] [] []
"variant=american" -> Lang "en" Nothing (Just "US") [] [] []
_ -> Lang "en" Nothing (Just "") [] [] [])
, ("usorbian", \_ -> Lang "hsb" Nothing Nothing [] [] [])
, ("latin", \o -> case T.filter (/=' ') o of
"variant=classic" -> Lang "la" Nothing Nothing ["x-classic"] [] []
_ -> Lang "la" Nothing Nothing [] [] [])
, ("slovenian", \_ -> Lang "sl" Nothing Nothing [] [] [])
, ("serbianc", \_ -> Lang "sr" (Just "Cyrl") Nothing [] [] [])
, ("pinyin", \_ -> Lang "zh" (Just "Latn") Nothing ["pinyin"] [] [])
, ("afrikaans", \_ -> simpleLang "af")
, ("amharic", \_ -> simpleLang "am")
, ("assamese", \_ -> simpleLang "as")
, ("asturian", \_ -> simpleLang "ast")
, ("bulgarian", \_ -> simpleLang "bg")
, ("bengali", \_ -> simpleLang "bn")
, ("tibetan", \_ -> simpleLang "bo")
, ("breton", \_ -> simpleLang "br")
, ("catalan", \_ -> simpleLang "ca")
, ("welsh", \_ -> simpleLang "cy")
, ("czech", \_ -> simpleLang "cs")
, ("coptic", \_ -> simpleLang "cop")
, ("danish", \_ -> simpleLang "da")
, ("divehi", \_ -> simpleLang "dv")
, ("esperanto", \_ -> simpleLang "eo")
, ("spanish", \_ -> simpleLang "es")
, ("estonian", \_ -> simpleLang "et")
, ("basque", \_ -> simpleLang "eu")
, ("farsi", \_ -> simpleLang "fa")
, ("finnish", \_ -> simpleLang "fi")
, ("french", \_ -> simpleLang "fr")
, ("friulan", \_ -> simpleLang "fur")
, ("irish", \_ -> simpleLang "ga")
, ("scottish", \_ -> simpleLang "gd")
, ("ethiopic", \_ -> simpleLang "gez")
, ("galician", \_ -> simpleLang "gl")
, ("hebrew", \_ -> simpleLang "he")
, ("hindi", \_ -> simpleLang "hi")
, ("croatian", \_ -> simpleLang "hr")
, ("magyar", \_ -> simpleLang "hu")
, ("armenian", \_ -> simpleLang "hy")
, ("interlingua", \_ -> simpleLang "ia")
, ("indonesian", \_ -> simpleLang "id")
, ("icelandic", \_ -> simpleLang "is")
, ("italian", \_ -> simpleLang "it")
, ("japanese", \_ -> simpleLang "jp")
, ("khmer", \_ -> simpleLang "km")
, ("kurmanji", \_ -> simpleLang "kmr")
, ("kannada", \_ -> simpleLang "kn")
, ("korean", \_ -> simpleLang "ko")
, ("lao", \_ -> simpleLang "lo")
, ("lithuanian", \_ -> simpleLang "lt")
, ("latvian", \_ -> simpleLang "lv")
, ("malayalam", \_ -> simpleLang "ml")
, ("mongolian", \_ -> simpleLang "mn")
, ("marathi", \_ -> simpleLang "mr")
, ("dutch", \_ -> simpleLang "nl")
, ("nynorsk", \_ -> simpleLang "nn")
, ("norsk", \_ -> simpleLang "no")
, ("nko", \_ -> simpleLang "nqo")
, ("occitan", \_ -> simpleLang "oc")
, ("panjabi", \_ -> simpleLang "pa")
, ("polish", \_ -> simpleLang "pl")
, ("piedmontese", \_ -> simpleLang "pms")
, ("portuguese", \_ -> simpleLang "pt")
, ("romansh", \_ -> simpleLang "rm")
, ("romanian", \_ -> simpleLang "ro")
, ("russian", \_ -> simpleLang "ru")
, ("sanskrit", \_ -> simpleLang "sa")
, ("samin", \_ -> simpleLang "se")
, ("slovak", \_ -> simpleLang "sk")
, ("albanian", \_ -> simpleLang "sq")
, ("serbian", \_ -> simpleLang "sr")
, ("swedish", \_ -> simpleLang "sv")
, ("syriac", \_ -> simpleLang "syr")
, ("tamil", \_ -> simpleLang "ta")
, ("telugu", \_ -> simpleLang "te")
, ("thai", \_ -> simpleLang "th")
, ("turkmen", \_ -> simpleLang "tk")
, ("turkish", \_ -> simpleLang "tr")
, ("ukrainian", \_ -> simpleLang "uk")
, ("urdu", \_ -> simpleLang "ur")
, ("vietnamese", \_ -> simpleLang "vi")
]
simpleLang :: Text -> Lang
simpleLang l = Lang l Nothing Nothing [] [] []
babelLangToBCP47 :: T.Text -> Maybe Lang
babelLangToBCP47 s =
case s of
"austrian" -> Just $ Lang "de" Nothing (Just "AT") ["1901"] [] []
"naustrian" -> Just $ Lang "de" Nothing (Just "AT") [] [] []
"swissgerman" -> Just $ Lang "de" Nothing (Just "CH") ["1901"] [] []
"nswissgerman" -> Just $ Lang "de" Nothing (Just "CH") [] [] []
"german" -> Just $ Lang "de" Nothing (Just "DE") ["1901"] [] []
"ngerman" -> Just $ Lang "de" Nothing (Just "DE") [] [] []
"lowersorbian" -> Just $ Lang "dsb" Nothing Nothing [] [] []
"uppersorbian" -> Just $ Lang "hsb" Nothing Nothing [] [] []
"polutonikogreek" -> Just $ Lang "el" Nothing Nothing ["polyton"] [] []
"slovene" -> Just $ simpleLang "sl"
"australian" -> Just $ Lang "en" Nothing (Just "AU") [] [] []
"canadian" -> Just $ Lang "en" Nothing (Just "CA") [] [] []
"british" -> Just $ Lang "en" Nothing (Just "GB") [] [] []
"newzealand" -> Just $ Lang "en" Nothing (Just "NZ") [] [] []
"american" -> Just $ Lang "en" Nothing (Just "US") [] [] []
"classiclatin" -> Just $ Lang "la" Nothing Nothing ["x-classic"] [] []
_ -> ($ "") <$> M.lookup s polyglossiaLangToBCP47
|
