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% Translations provided by সাজেদুর রহিম জোয়ারদার <toshazed@gmail.com>
% TODO implement Bengali calendar

\ProvidesFile{gloss-bengali.ldf}[polyglossia: module for bengali]
\ifluatex
  \xpg@warning{Bengali is not supported with LuaTeX.\MessageBreak
I will proceed with the compilation, but\MessageBreak
the output is not guaranteed to be correct\MessageBreak
and may look very wrong.}
\fi
\RequirePackage{devanagaridigits}
\RequirePackage{bengalidigits}

\PolyglossiaSetup{bengali}{
  script=Bengali,
  scripttag=beng,
  langtag=BEN,
  hyphennames={bengali},
  hyphenmins={2,2},%CHECK
  fontsetup=true,
  localnumeral=bengalinumerals
  %TODO nouppercase=true,
}

\def\tmp@western{Western}
\newif\ifbengali@devanagari@numerals
\bengali@devanagari@numeralstrue
\def\tmp@bengali{Bengali}
\newif\ifbengali@bengali@numerals
\bengali@bengali@numeralsfalse % Implied, but you never know


\define@key{bengali}{numerals}[Devanagari]{%
  \def\@tmpa{#1}%
  \ifx\@tmpa\tmp@western
    \bengali@devanagari@numeralsfalse
  \else\ifx\@tmpa\tmp@bengali
    \bengali@devanagari@numeralsfalse
    \bengali@bengali@numeralstrue\fi
  \fi}

\def\extras@bengali{}
\def\noextras@bengali{}

\define@boolkey{bengali}[bengali@]{changecounternumbering}{
  \def\@tmpa{#1}
  \def\@tmptrue{true}
  \ifx\@tmpa\@tmptrue
    \def\extras@bengali{%
      % FIXME Tied to the article class!  And horrible coding style
      \let\savethepage\thepage
      \let\savethesection\thesection
      \let\savethesubsection\thesubsection
      \let\savethesubsubsection\thesubsubsection
      \let\savetheparagraph\theparagraph
      \let\savethesubparagraph\thesubparagraph
      \def\thepage{\bengalinumeral{page}}
      \def\thesection{\bengalinumeral{section}}
      \def\thesubsection{\bengalinumeral{subsection}}
      \def\thesubsubsection{\bengalinumeral{subsubsection}}
      \def\theparagraph{\bengalinumeral{paragraph}}
      \def\thesubparagraph{\bengalinumeral{subparagraph}}
    }
    \def\noextras@bengali{%
      \let\thepage\savethepage
      \let\thesection\savethesection
      \let\thesubsection\savethesubsection
      \let\thesubsubsection\savethesubsubsection
      \let\theparagraph\savetheparagraph
      \let\thesubparagraph\savethesubparagraph
    }
  \fi
}

\def\captionsbengali{%
  \def\refname{তথ্যসূত্রসমূহ}%
  \def\abstractname{সারসংক্ষেপ}%
  \def\bibname{তথ্যবিবরণ}%
  \def\prefacename{পূর্বকথা}%
  \def\chaptername{অধ্যায়}%
  \def\appendixname{পরিশিষ্ট}%
  \def\contentsname{সূচীপত্র}%
  \def\listfigurename{ছবি/নকশা সমূহের তালিকা}%
  \def\listtablename{তালিকাসারণী}%
  \def\indexname{সূচক/নির্দেশক}%
  \def\figurename{চিত্র}%
  \def\tablename{সারণী}%
  %\def\thepart{}% TODO
  \def\partname{খন্ড}%
  \def\pagename{পৃষ্ঠা}%
  \def\seename{দেখুন}%
  \def\alsoname{আরও দেখুন}%
  \def\enclname{সংযুক্তি}%
  \def\ccname{অনুলিপি}%
  \def\headtoname{প্রতি}%
  \def\proofname{প্রমাণ}%
  \def\glossaryname{পরিভাষার শব্দসম্ভার}%
}
\def\datebengali{%
  \def\bengalimonth{%
    \ifcase\month\or
      জানুয়ারি\or
      ফেব্রুয়ারি\or
      মার্চ\or
      এপ্রিল\or
      মে\or
      জুন\or
      জুলাই\or
      আগস্ট\or
      সেপ্টেম্বর\or
      অক্টোবর\or
      নভেম্বর\or
      ডিসেম্বর\fi}%
  \def\today{\bengalinumber\day\space\bengalimonth\space\bengalinumber\year}%
}

\newcommand{\bengalinumerals}[2]{\bengalinumber{#2}}

\def\bengalinumber#1{%
  \ifbengali@devanagari@numerals
    \devanagaridigits{\number#1}%
  \else
    \ifbengali@bengali@numerals
      \bengalidigits{\number#1}%
    \else % Assumed Western
      \number#1%
    \fi
  \fi}

\def\bengalinumeral#1{\expandafter\bengalinumber\expandafter{\the##1}}% Takes counter

\def\bengali@globalnumbers{%
   \let\@arabic\bengalinumber%
   \renewcommand\thefootnote{\localnumeral*{footnote}}%
}

% Store original definition
\let\xpg@save@arabic\@arabic

\def\nobengali@globalnumbers{%
  \let\@arabic\xpg@save@arabic%
}

\def\blockextras@bengali{\extras@bengali}
\def\inlineextras@bengali{\extras@bengali}

\endinput