\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{simurgh-mathdigitspec}[2013/09/18 v0.01a unicode parsi math digits]
\def\new@mathgroup{\alloc@8\mathgroup\chardef\@cclvi}
\let\newfam\new@mathgroup
\def\select@group#1#2#3#4{%
 \ifx\math@bgroup\bgroup\else\relax\expandafter\@firstofone\fi
 {%
 \ifmmode
  \ifnum\csname c@mv@\math@version\endcsname<\@cclvi
     \begingroup
       \escapechar\m@ne
       \getanddefine@fonts{\csname c@mv@\math@version\endcsname}#3%
       \globaldefs\@ne  \math@fonts
     \endgroup
     \init@restore@version
     \xdef#1{\noexpand\use@mathgroup\noexpand#2%
             {\number\csname c@mv@\math@version\endcsname}}%
     \global\advance\csname c@mv@\math@version\endcsname\@ne
   \else
     \let#1\relax
     \@latex@error{Too many math alphabets used in
                   version \math@version}%
        \@eha
   \fi
 \else \expandafter\non@alpherr\fi
 #1{#4}%
 }%
}
\def\document@select@group#1#2#3#4{%
 \ifx\math@bgroup\bgroup\else\relax\expandafter\@firstofone\fi
 {%
 \ifmmode
   \ifnum\csname c@mv@\math@version\endcsname<\@cclvi
     \begingroup
       \escapechar\m@ne
       \getanddefine@fonts{\csname c@mv@\math@version\endcsname}#3%
       \globaldefs\@ne  \math@fonts
     \endgroup
     \expandafter\extract@alph@from@version
         \csname mv@\math@version\expandafter\endcsname
         \expandafter{\number\csname
                       c@mv@\math@version\endcsname}%
          #1%
     \global\advance\csname c@mv@\math@version\endcsname\@ne
   \else
     \let#1\relax
     \@latex@error{Too many math alphabets used
                   in version \math@version}%
        \@eha
  \fi
 \else \expandafter\non@alpherr\fi
 #1{#4}%
 }%
}
\ExplSyntaxOn
\bool_set_false:N \g_fontspec_math_bool
\ExplSyntaxOff
\def\@preamblecmds{}
\newcommand\simurgh@not@onlypreamble[1]{{%
  \def\do##1{\ifx#1##1\else\noexpand\do\noexpand##1\fi}%
  \xdef\@preamblecmds{\@preamblecmds}}}
\simurgh@not@onlypreamble\@preamblecmds
\def\simurgh@notprerr{ can be used only in preamble (\on@line)}
\AtBeginDocument{%
  \def\do#1{\noexpand\do\noexpand#1}%
  \edef\@preamblecmds{%
    \def\noexpand\do##1{%
      \def##1{\noexpand\simurgh@NotprerrMessage##1}\noexpand\@eha}}%
    \@preamblecmds}
\def\simurgh@NotprerrMessage#1{%
  \simurgh@error%
  {\noexpand\string#1 \noexpand\simurgh@notprerr}{}%
}
\def\nocite#1{%
  \@bsphack{\setbox0=\hbox{\cite{#1}}}\@esphack}
\newcommand\SetMathCode[4]{%
  \Umathcode#1="\mathchar@type#2 \csname sym#3\endcsname #4\relax}
\newcommand\SetMathCharDef[4]{%
  \Umathchardef#1="\mathchar@type#2 \csname sym#3\endcsname #4\relax}
\ExplSyntaxOn
\cs_new_eq:NN \orig_mathbf:n \mathbf
\cs_new_eq:NN \orig_mathit:n \mathit
\cs_new_eq:NN \orig_mathrm:n \mathrm
\cs_new_eq:NN \orig_mathsf:n \mathsf
\cs_new_eq:NN \orig_mathtt:n \mathtt
\NewDocumentCommand \new@mathbf { m } {
 \orig_mathbf:n {
   \int_step_inline:nnnn { `0 } { \c_one } { `9 } {
     \mathcode ##1 = \numexpr "100 * \symnew@mathbf@font@digits + ##1 \relax
   }
   #1
 }
}
\NewDocumentCommand \new@mathit { m } {
 \orig_mathit:n {
   \int_step_inline:nnnn { `0 } { \c_one } { `9 } {
     \mathcode ##1 = \numexpr "100 * \symnew@mathit@font@digits + ##1 \relax
   }
   #1
 }
}
\NewDocumentCommand \new@mathrm { m } {
 \orig_mathrm:n {
   \int_step_inline:nnnn { `0 } { \c_one } { `9 } {
     \mathcode ##1 = \numexpr "100 * \symnew@mathrm@font@digits + ##1 \relax
   }
   #1
 }
}
\NewDocumentCommand \new@mathsf{ m } {
 \orig_mathsf:n {
   \int_step_inline:nnnn { `0 } { \c_one } { `9 } {
     \mathcode ##1 = \numexpr "100 * \symnew@mathsf@font@digits + ##1 \relax
   }
   #1
 }
}
\NewDocumentCommand \new@mathtt{ m } {
 \orig_mathtt:n {
   \int_step_inline:nnnn { `0 } { \c_one } { `9 } {
     \mathcode ##1 = \numexpr "100 * \symnew@mathtt@font@digits + ##1 \relax
   }
   #1
 }
}
\newcommand\setmathparsidigitfont[2][]{%
  \let\glb@currsize\relax
  \fontspec_set_family:Nnn \simurgh@digits@family {#1}{#2}
  \simurgh@info{defining the default parsi math digits font as '#2'}
  \DeclareSymbolFont{OPERATORS}   {EU2}{\simurgh@digits@family} {m}{n}
  \DeclareSymbolFont{new@mathbf@font@digits}{EU2}{\simurgh@digits@family}{bx}{n}
  \DeclareSymbolFont{new@mathit@font@digits}{EU2}{\simurgh@digits@family}{m}{it}
  \DeclareSymbolFont{new@mathrm@font@digits}{EU2}{\simurgh@digits@family}{m}{n}
  \def\parsimathdigits{%
  \SetMathCode{`0}{\mathalpha}{OPERATORS}{`۰}
  \SetMathCode{`1}{\mathalpha}{OPERATORS}{`۱}
  \SetMathCode{`2}{\mathalpha}{OPERATORS}{`۲}
  \SetMathCode{`3}{\mathalpha}{OPERATORS}{`۳}
  \SetMathCode{`4}{\mathalpha}{OPERATORS}{`۴}
  \SetMathCode{`5}{\mathalpha}{OPERATORS}{`۵}
  \SetMathCode{`6}{\mathalpha}{OPERATORS}{`۶}
  \SetMathCode{`7}{\mathalpha}{OPERATORS}{`۷}
  \SetMathCode{`8}{\mathalpha}{OPERATORS}{`۸}
  \SetMathCode{`9}{\mathalpha}{OPERATORS}{`۹}
  \SetMathCharDef{\%}{\mathbin}{OPERATORS}{`٪}
  \SetMathCharDef{\decimalseparator}{\mathpunct}{OPERATORS}{"066B}
  \cs_set_eq:NN \mathbf \new@mathbf
  \cs_set_eq:NN \mathit \new@mathit
  \cs_set_eq:NN \mathrm \new@mathrm}
}
\DeclareDocumentCommand \setmathsfparsidigitfont { O{} m } {
  \fontspec_set_family:Nnn \g_fontspec_mathsf_tl {#1}{#2}
  \DeclareSymbolFont{new@mathsf@font@digits}{EU2}{\g_fontspec_mathsf_tl}{m}{n}
  \def\parsimathsfdigits{\cs_set_eq:NN \mathsf \new@mathsf}
}
\DeclareDocumentCommand \setmathttparsidigitfont { O{} m } {
  \fontspec_set_family:Nnn \g_fontspec_mathtt_tl {#1}{#2}
  \DeclareSymbolFont{new@mathtt@font@digits}{EU2}{\g_fontspec_mathtt_tl}{m}{n}
  \def\parsimathttdigits{\cs_set_eq:NN \mathtt \new@mathtt}
}
\ExplSyntaxOff
\ifx\newcommand\undefined\else
  \newcommand{\ZifferAn}{}
\fi
\mathchardef\ziffer@DotOri="013A
{\ZifferAn
 \catcode`\.=\active\gdef.{\begingroup\obeyspaces\futurelet\n\ziffer@dcheck}}
\def\ziffer@dcheck{\ziffer@check\ZifferLeer\ziffer@DotOri}
\def\ziffer@check#1#2{%
  \ifx\n1\endgroup#1\else
    \ifx\n2\endgroup#1\else
      \ifx\n3\endgroup#1\else
        \ifx\n4\endgroup#1\else
          \ifx\n5\endgroup#1\else
            \ifx\n6\endgroup#1\else
              \ifx\n7\endgroup#1\else
                \ifx\n8\endgroup#1\else
                  \ifx\n9\endgroup#1\else
                    \ifx\n0\endgroup#1\else
                      \endgroup#2%
                    \fi
                  \fi
                \fi
              \fi
            \fi
          \fi
        \fi
      \fi
    \fi
  \fi}
\mathcode`.="8000\relax
\def\ZifferLeer{\ifx\decimalseparator\undefied .\else \decimalseparator\fi}
\def\DefaultMathDigits{\def\SetMathDigits{}}
\def\ParsiMathDigits{\def\SetMathDigits{%
\ifx\parsimathdigits\undefied\else\parsimathdigits\fi%
\ifx\parsimathsfdigits\undefied\else\parsimathsfdigits\fi%
\ifx\parsimathttdigits\undefied\else\parsimathttdigits\fi}}
\def\AutoMathDigits{\def\SetMathDigits{%
\ifx\parsimathdigits\undefied\else\if@Latin\else\parsimathdigits\fi\fi%
\ifx\parsimathsfdigits\undefied\else\if@Latin\else\parsimathsfdigits\fi\fi%
\ifx\parsimathttdigits\undefied\else\if@Latin\else\parsimathttdigits\fi\fi}}

\everymath\expandafter{\the\everymath\SetMathDigits}
\g@addto@macro\document{\everydisplay\expandafter{\the\everydisplay\SetMathDigits}}

\endinput