% Language definition file (part of polyglossia v2.10 -- 2026/04/18)
%
\ProvidesFile{gloss-sorbian.ldf}[polyglossia: module for Sorbian]

\PolyglossiaSetup{sorbian}{
  bcp47=hsb,
  bcp47-language=hsb,
  bcp47-script=Latn,
  language=Upper Sorbian,
  babelname=uppersorbian,
  hyphennames={usorbian,uppersorbian},
  langtag=USB,
  hyphenmins={2,2},
 }

% BCP-47 compliant aliases
\setlanguagealias*[variant=upper]{sorbian}{hsb}
\setlanguagealias*[variant=lower]{sorbian}{dsb} 
% Backwards compat. aliases
\setlanguagealias[variant=lower]{sorbian}{lsorbian}
\setlanguagealias[variant=upper]{sorbian}{usorbian}

% Babel aliases
\setlanguagealias[variant=lower]{sorbian}{lowersorbian}
\setlanguagealias[variant=upper]{sorbian}{uppersorbian}

\def\sorbian@variant{usorbian}

\DeclareKeys[polyglossia/gloss/sorbian]
  {
    olddate.if = sorbian@olddate,
    olddate.default:n = true,
    variant.choice:,
    variant / upper.code = 
      {%
        \def\sorbian@variant{usorbian}%
        \SetLanguageKeys{sorbian}{language=Upper Sorbian,langtag=USB,babelname=uppersorbian,bcp47=hsb,bcp47-language=hsb}%
        % Check if \l@usorbian is defined. If not, try to set it to some variety
        % (specific order as in the csv list), or null language if everything fails
        \TryPatternWithFallback{usorbian}{uppersorbian}%
      },
    variant / lower.code = 
      {%
        \def\sorbian@variant{lsorbian}%
        \SetLanguageKeys{sorbian}{language=Lower Sorbian,langtag=LSB,babelname=lowersorbian,bcp47=dsb,bcp47-language=dsb}%
        % Check if \l@lsorbian is defined. If not, try to set it to some variety
        % (specific order as in the csv list), or null language if everything fails
        \TryPatternWithFallback{lsorbian}{lowersorbian,Lsorbian,usorbian,uppersorbian}%
      },
    variant.default:n = upper,
    variant/unknown.code = \xpg@warning{Unknown sorbian variant `#1'}
  }

% Register default options
\InitializeGlossOptions{sorbian}{variant=upper,olddate=false}


\def\sorbian@language{%
   \SetupPolyglossiaLangPatterns{\sorbian@variant}%
}%


\def\captionssorbian@lsorbian{%
   \def\refname{Referency}%
   \def\abstractname{Abstrakt}%
   \def\bibname{Literatura}%
   \def\prefacename{Zawod}%
   \def\chaptername{Kapitl}%
   \def\appendixname{Dodawki}%
   \def\contentsname{Wopśimjeśe}%
   \def\listfigurename{Zapis wobrazow}%
   \def\listtablename{Zapis tabulkow}%
   \def\indexname{Indeks}%
   \def\figurename{Wobraz}%
   \def\tablename{Tabulka}%
   %\def\thepart{}%
   \def\partname{Źěl}%
   \def\pagename{Strona}%
   \def\seename{gl.}%
   \def\alsoname{gl.~teke}%
   \def\enclname{Pśiłoga}%
   \def\ccname{CC}%
   \def\headtoname{Komu}%
   \def\proofname{Proof}%
   \def\glossaryname{Glossary}%
}

\def\captionssorbian@usorbian{%
   \def\refname{Referency}%
   \def\abstractname{Abstrakt}%
   \def\bibname{Literatura}%
   \def\prefacename{Zawod}%
   \def\chaptername{Kapitl}%
   \def\appendixname{Dodawki}%
   \def\contentsname{Wobsah}%
   \def\listfigurename{Zapis wobrazow}%
   \def\listtablename{Zapis tabulkow}%
   \def\indexname{Indeks}%
   \def\figurename{Wobraz}%
   \def\tablename{Tabulka}%
   %\def\thepart{}%
   \def\partname{Dźěl}%
   \def\pagename{Strona}%
   \def\seename{hl.}%
   \def\alsoname{hl.~tež}%
   \def\enclname{Přłoha}%
   \def\ccname{CC}%
   \def\headtoname{Komu}%
   \def\proofname{Proof}% <-- needs translation
   \def\glossaryname{Glossary}% <-- needs translation
}%

\def\captionssorbian{%
  \csname captionssorbian@\sorbian@variant\endcsname%
}

\def\datesorbian@lsorbian{%
    \def\oldtoday{%
      \number\day.~\ifcase\month\or
      wjelikego rožka\or małego rožka\or nalětnika\or
      jatšownika\or rožownika\or smažnika\or pražnika\or
      žnjeńca\or požnjeńca\or winowca\or nazymnika\or 
      godownika\fi\space \number\year}%
    \def\today{%
      \ifsorbian@olddate
        \oldtoday%
      \else
        \number\day.~\ifcase\month\or
        januara\or februara\or měrca\or apryla\or maja\or
        junija\or julija\or awgusta\or septembra\or oktobra\or
        nowembra\or decembra\fi
        \space \number\year%
      \fi
   }%
}

\def\datesorbian@usorbian{%
  \def\oldtoday{\number\day.~\ifcase\month\or
    wulkeho róžka\or małeho róžka\or nalětnika\or
    jutrownika\or róžownika\or  smažnika\or pražnika\or
    žnjenca\or požnjenca\or winowca\or nazymnika\or
    hodownika\fi \space \number\year}%
  \def\today{%
    \ifsorbian@olddate
      \oldtoday%
    \else
      \number\day.~\ifcase\month\or
      januara\or februara\or měrca\or apryla\or meje\or junija\or
      julija\or awgusta\or septembra\or oktobra\or
      nowembra\or decembra\fi
      \space \number\year%
    \fi
  }%
}

\def\datesorbian{%
  \csname datesorbian@\sorbian@variant\endcsname%
}

\endinput