\ProvidesFile{gloss-churchslavonic.ldf}[polyglossia: module for Church Slavonic]
\PolyglossiaSetup{churchslavonic}{
  script=Cyrillic,
  scripttag=cyrl,
  langtag=CHU,
  hyphennames={churchslavonic},
  hyphenmins={1,2},
  frenchspacing=true,
  fontsetup=true
}

% if spelling is set to modern, Russian date and caption
% as well as ASCII digits are used.
\define@key{churchslavonic}{spelling}[modern]{%
  \ifstrequal{#1}{traditional}%
    {\def\captionschurchslavonic{\captionschurchslavonic@traditional}%
     \def\datechurchslavonic{\datechurchslavonic@traditional}}%
    {\def\captionschurchslavonic{\captionschurchslavonic@modern}%
     \def\datechurchslavonic{\datechurchslavonic@modern}}%
}

\newif\ifcyrillic@numerals
\define@key{churchslavonic}{numerals}[latin]{%
   \ifstrequal{#1}{cyrillic}%
      {\cyrillic@numeralstrue}
      {\cyrillic@numeralsfalse}%
}

\define@boolkey{churchslavonic}[churchslavonic@]{babelshorthands}[false]{}

\setkeys{churchslavonic}{spelling,numerals}

\ifsystem@babelshorthands
  \setkeys{churchslavonic}{babelshorthands=true}
\else
 \setkeys{churchslavonic}{babelshorthands=false}
\fi

\ifcsundef{initiate@active@char}{%
 \input{babelsh.def}%
  \initiate@active@char{"}%
}{}

\def\churchslavonic@shorthands{%
  \bbl@activate{"}%
  \def\language@group{churchslavonic}%
%  \declare@shorthand{russian}{"`}{„}%
%  \declare@shorthand{russian}{"'}{“}%
%  \declare@shorthand{russian}{"<}{«}%
%  \declare@shorthand{russian}{">}{»}%
  \declare@shorthand{churchslavonic}{""}{\hskip\z@skip}%
  \declare@shorthand{churchslavonic}{"~}{\textormath{\leavevmode\hbox{-}}{-}}%
  \declare@shorthand{churchslavonic}{"=}{\nobreak-\hskip\z@skip}%
  \declare@shorthand{churchslavonic}{"|}{\textormath{\nobreak\discretionary{-}{}{\kern.03em}\allowhyphens}{}}%
  \declare@shorthand{churchslavonic}{"-}{%
    \def\churchslavonic@sh@tmp{%
      \if\churchslavonic@sh@next-\expandafter\churchslavonic@sh@emdash
      \else\expandafter\churchslavonic@sh@hyphen\fi
    }%
    \futurelet\churchslavonic@sh@next\churchslavonic@sh@tmp}%
  \def\churchslavonic@sh@hyphen{%
    \nobreak\-\bbl@allowhyphens}%
  \def\churchslavonic@sh@emdash##1##2{\cdash-##1##2}%
  \def\cdash##1##2##3{\def\tempx@{##3}%
  \def\tempa@{-}\def\tempb@{~}\def\tempc@{*}%
   \ifx\tempx@\tempa@\@Acdash\else
    \ifx\tempx@\tempb@\@Bcdash\else
     \ifx\tempx@\tempc@\@Ccdash\else
      \errmessage{Wrong usage of cdash}\fi\fi\fi}%
  \def\@Acdash{\ifdim\lastskip>\z@\unskip\nobreak\hskip.2em\fi
    \cyrdash\hskip.2em\ignorespaces}%
  \def\@Bcdash{\leavevmode\ifdim\lastskip>\z@\unskip\fi
   \nobreak\cyrdash\penalty\exhyphenpenalty\hskip\z@skip\ignorespaces}%
  \def\@Ccdash{\leavevmode
   \nobreak\cyrdash\nobreak\hskip.35em\ignorespaces}%
  \ifx\cyrdash\undefined
    \def\cyrdash{\hbox to.8em{--\hss--}}
  \fi
  \declare@shorthand{churchslavonic}{",}{\nobreak\hskip.2em\ignorespaces}%
}

\def\nochurchslavonic@shorthands{%
  \@ifundefined{initiate@active@char}{}{\bbl@deactivate{"}}%
}


\def\captionschurchslavonic@modern{%
   \def\prefacename{Предисловие}%
   \def\refname{Список литературы}%
   \def\abstractname{Аннотация}%
   \def\bibname{Литература}%
\def\chaptername{Глава}%
   \def\appendixname{Приложение}%
   \ifcsundef{thechapter}%
     {\def\contentsname{Содержание}}%
     {\def\contentsname{Оглавление}}%
   \def\listfigurename{Список иллюстраций}%
   \def\listtablename{Список таблиц}%
   \def\indexname{Предметный указатель}%
   \def\authorname{Именной указатель}%
   \def\figurename{Рис.}%
   \def\tablename{Таблица}%
   \def\partname{Часть}%
   \def\enclname{вкл.}%
   \def\ccname{исх.}%
   \def\headtoname{вх.}%
   \def\pagename{с.}%
   \def\seename{см.}%
   \def\alsoname{см.~также}%
   \def\proofname{Доказательство}%
}
\def\datechurchslavonic@modern{%
      \def\today{\number\day%
      \space\ifcase\month\or%
      января\or
      февраля\or
      марта\or
      апреля\or
      мая\or
      июня\or
      июля\or
      августа\or
      сентября\or
      октября\or
      ноября\or
      декабря\fi%
      \space \number\year\space г.}}
    
\def\captionschurchslavonic@traditional{%
   \def\prefacename{Предисло́вїе}%
   \def\refname{Примѣча̑нїѧ}%
   \def\abstractname{А҆ннота́цїѧ}%
   \def\bibname{Вивлїогра́фїѧ}%
   \def\chaptername{Глава̀}%
   \def\appendixname{Приложе́нїе}%
   \ifcsundef{thechapter}%
     {\def\contentsname{Содержа́нїе}}%
     {\def\contentsname{Ѡ҆главле́нїе}}%
   \def\listfigurename{Надписа́нїе и҆з̾ѡбраже́нїй}%
   \def\listtablename{Надписа́нїе табли́цъ}%
   \def\indexname{Предмѣ́тный ᲂу҆каза́тель}%
   \def\authorname{И҆менно́й ᲂу҆каза́тель}%
   \def\figurename{И҆з̾ѡбраже́нїе}%
   \def\tablename{Табли́ца}%
   \def\partname{Ча́сть}%
   \def\enclname{вкл.}%
   \def\ccname{исх.}%
   \def\headtoname{вх.}%
   \def\pagename{с.}%
   \def\seename{зрѝ}%
   \def\alsoname{зрѝ~та́кожде}%
   \def\proofname{Доказа́тельство}%
}  
\def\datechurchslavonic@traditional{%
      \def\today{\number\day%
      \space\ifcase\month\or%
      і҆аннꙋа́рїа\or
      феврꙋа́рїа\or
      ма́рта\or
      а҆прі́ллїа\or
      ма́їа\or
      і҆ꙋ́нїа\or
      і҆ꙋ́лїа\or
      а҆́ѵгꙋста\or
      септе́мврїа\or
      ѻ҆ктѡ́врїа\or
      ное́мврїа\or
      деке́мврїа\fi%
      \space л.\space\number\year\space}}

% The following is based on some ideas from ruscor.sty
\def\churchslavonic@capsformat{%
   \def\@seccntformat##1{\csname pre##1\endcsname%
      \csname the##1\endcsname%
      \csname post##1\endcsname}%
   \def\@aftersepkern{\hspace{0.5em}}%
   \def\postchapter{.\@aftersepkern}%
   \def\postsection{.\@aftersepkern}%
   \def\postsubsection{.\@aftersepkern}%
   \def\postsubsubsection{.\@aftersepkern}%
   \def\postparagraph{.\@aftersepkern}%
   \def\postsubparagraph{.\@aftersepkern}%
   \def\prechapter{}%
   \def\presection{}%
   \def\presubsection{}%
   \def\presubsubsection{}%
   \def\preparagraph{}%
   \def\presubparagraph{}}

\def\Azbuk#1{\expandafter\churchslavonic@Alph\csname c@#1\endcsname}
\def\churchslavonic@Alph#1{\ifcase#1\or
   А\or Б\or В\or Г\or Д\or Є\or Ж\or Ѕ\or
   З\or И\or І\or К\or Л\or М\or Н\or О\or
   П\or Р\or С\or Т\or Ꙋ\or Ф\or Х\or Ѿ\or
   Ц\or Ч\or Ш\or Щ\or Ъ\or Ы\or Ь\or Ѣ\or
   Ю\or Ѫ\or Ѧ\or Ѯ\or Ѱ\or Ѳ\or Ѵ\else\xpg@ill@value{#1}{churchslavonic@Alph}\fi}

\def\azbuk#1{\expandafter\churchslavonic@alph\csname c@#1\endcsname}
\def\churchslavonic@alph#1{\ifcase#1\or
   а\or б\or в\or г\or д\or е\or ж\or ѕ\or 
   з\or и\or ї\or к\or л\or м\or н\or о\or
   п\or р\or с\or т\or ꙋ\or ф\or х\or ѿ\or
   ц\or ч\or ш\or щ\or ъ\or ы\or ь\or ѣ\or
   ю\or ѫ\or ѧ\or ѯ\or ѱ\or ѳ\or ѵ\else\xpg@ill@value{#1}{churchslavonic@alph}\fi}

%% Deleting stuff for Cyrillic numerals
%% TODO: link with cu-num package
\def\noextras@churchslavonic{%
  \def\@seccntformat##1{\csname the##1\endcsname\quad}% = LaTeX kernel
  \ifcyrillic@numerals\nochurchslavonic@numbers\fi
 \nochurchslavonic@shorthands%
}

\def\blockextras@churchslavonic{%
  \churchslavonic@capsformat%
   \ifcyrillic@numerals\churchslavonic@numbers\fi
  \ifchurchslavonic@babelshorthands\churchslavonic@shorthands\fi
}

\def\inlineextras@churchslavonic{%
  \ifchurchslavonic@babelshorthands\churchslavonic@shorthands\fi%
}

%%% These lines taken from russianb.ldf, part of babel package.
% make it optional?
\def\sh    {\mathop{\operator@font sh}\nolimits}
\def\ch    {\mathop{\operator@font ch}\nolimits}
\def\tg    {\mathop{\operator@font tg}\nolimits}
\def\arctg {\mathop{\operator@font arctg}\nolimits}
\def\arcctg{\mathop{\operator@font arcctg}\nolimits}
\def\th    {\mathop{\operator@font th}\nolimits}
\def\ctg   {\mathop{\operator@font ctg}\nolimits}
\def\cth   {\mathop{\operator@font cth}\nolimits}
\def\cosec {\mathop{\operator@font cosec}\nolimits}
\def\Prob  {\mathop{\kern\z@\mathsf{P}}\nolimits}
\def\Variance{\mathop{\kern\z@\mathsf{D}}\nolimits}
\def\nod   {\mathop{\mathrm{н.о.д.}}\nolimits}
\def\nok   {\mathop{\mathrm{н.о.к.}}\nolimits}
\def\NOD   {\mathop{\mathrm{НОД}}\nolimits}
\def\NOK   {\mathop{\mathrm{НОК}}\nolimits}
\def\Proj  {\mathop{\mathrm{Пр}}\nolimits}
%\DeclareRobustCommand{\No}{№}

\endinput