%%
%% This is file `listings-xetex-bidi.def',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% bidi.dtx  (with options: `table,listings-xetex-bidi.def')
%% 
%%   __________________________________________________
%%   Copyright (c) 2009--2019  Vafa Khalighi
%% 
%%   It may be distributed and/or modified under the LaTeX Project Public License,
%%   version 1.3c or higher (your choice). The latest version of
%%   this license is at: http://www.latex-project.org/lppl.txt
%% 
%%   This work is “author-maintained” (as per LPPL maintenance status)
%%   by Vafa Khalighi.
%% 
%% 
%% \CheckSum{50084}
%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote  \"     Hash (number) \#
%%   Dollar        \$     Percent       \%     Ampersand     \&
%%   Acute accent  \'     Left paren    \(     Right paren   \)
%%   Asterisk      \*     Plus          \+     Comma         \,
%%   Minus         \-     Point         \.     Solidus       \/
%%   Colon         \:     Semicolon     \;     Less than     \<
%%   Equals        \=     Greater than  \>     Question mark \?
%%   Commercial at \@     Left bracket  \[     Backslash     \\
%%   Right bracket \]     Circumflex    \^     Underscore    \_
%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%%   Right brace   \}     Tilde         \~}
%%
\ProvidesFile{listings-xetex-bidi.def}[2018/09/15 v1.5 bidi adaptations for listings package for XeTeX engine]
\lst@Key{captiondirection}{textdirection}{%
    \lstKV@SwitchCases{#1}%
    {textdirection:\\%
     RTL:\chardef\bidi@lst@caption@direction\@ne\\%
     LTR:\chardef\bidi@lst@caption@direction\z@%
    }{\PackageError{Listings}{direction #1 unknown}\@ehc}}

\lst@Key{captionscript}{textscript}{%
    \lstKV@SwitchCases{#1}%
    {textscript:\\%
     latin:\chardef\bidi@lst@caption@script\@ne\\%
     nonlatin:\chardef\bidi@lst@caption@script\z@%
    }{\PackageError{Listings}{direction #1 unknown}\@ehc}}

\newcommand*{\bidi@lst@ensure@caption@direction}[2]{%
   \@ifundefined{bidi@lst@caption@direction}{}{%
    \ifnum\bidi@lst@caption@direction=\z@%
        #1%
    \else%
         \ifnum\bidi@lst@caption@direction=\@ne%
             #2%
         \fi%
     \fi%
}}

\newcommand*{\bidi@lst@ensure@caption@script}[2]{%
   \@ifundefined{bidi@lst@caption@script}{}{%
    \ifnum\bidi@lst@caption@script=\z@%
        #1%
    \else%
         \ifnum\bidi@lst@caption@script=\@ne%
             #2%
         \fi%
     \fi%
}}

\long\def\@bidi@lst@makecaption#1#2{%
   \bidi@lst@ensure@caption@script{\@nonlatintrue}{\@nonlatinfalse}%
   \vskip\abovecaptionskip
   \bidi@lst@ensure@caption@direction{\@RTLfalse}{\@RTLtrue}%
   \sbox\@tempboxa{%
   \bidi@lst@ensure@caption@direction{\beginL}{\beginR}%
   #1: #2%
   \bidi@lst@ensure@caption@direction{\endL}{\endR}%
   }%
   \ifdim \wd\@tempboxa >\hsize
     #1: #2\par
   \else
     \global \@minipagefalse
     \hb@xt@\hsize{\hfil\box\@tempboxa\hfil}%
   \fi
   \vskip\belowcaptionskip}%
\def\lst@makecaption{\@bidi@lst@makecaption}
\def\lst@maketitle{\@bidi@lst@makecaption\lst@title@dropdelim}
\bidi@AtEndPreamble{%
\bidi@patchcmd{\lst@MakeCaption}{%
    \ifx #1t%
        \ifx\lst@@caption\@empty\expandafter\lst@HRefStepCounter \else
                                \expandafter\refstepcounter
        \fi {lstlisting}%
}{%
    \ifx #1t%
       \bidi@lst@ensure@caption@direction{\@RTLfalse}{\@RTLtrue}%
        \ifx\lst@@caption\@empty\expandafter\lst@HRefStepCounter \else
                                \expandafter\refstepcounter
        \fi {lstlisting}%
        \bidi@lst@ensure@caption@direction{\@RTLfalse}{\@RTLfalse}%
}{}{}%
\bidi@patchcmd{\lst@MakeCaption}{%
                \addcontentsline{lol}{lstlisting}%
                    {\protect\numberline{\thelstlisting}\lst@@caption}%
}{%
\begingroup%
               \bidi@lst@ensure@caption@direction{\@RTLfalse}{\@RTLtrue}%
                \addcontentsline{lol}{lstlisting}%
                    {\protect\numberline{\thelstlisting}\lst@@caption}%
\endgroup%
}{}{}%
}
\@ifpackageloaded{caption}{%
  \AtBeginCaption{%
  \bidi@lst@ensure@caption@script{\@nonlatintrue}{\@nonlatinfalse}%
  \bidi@lst@ensure@caption@direction{\@RTLfalse}{\@RTLtrue}%
}
  \let\@bidi@lst@makecaption\caption@makecaption%
  \def\lst@makecaption{\caption@starfalse\@bidi@lst@makecaption}%
  \def\lst@maketitle{\caption@startrue\@bidi@lst@makecaption\@empty}%
}{%
\AtBeginDocument{%
\@ifundefined{captionlabelfalse}{}{%
  \def\lst@maketitle{\captionlabelfalse\@bidi@lst@makecaption\@empty}}%
\@ifundefined{caption@startrue}{}{%
  \def\lst@maketitle{\caption@startrue\@bidi@lst@makecaption\@empty}}%
}%
}
\AtBeginDocument{
  \@ifundefined{thechapter}{\let\lst@ifnumberbychapter\iffalse}{}
  \lst@ifnumberbychapter
      \gdef\thelstlisting%
           {\ifnum \c@chapter>\z@ \thechapter\@SepMark\fi \@arabic\c@lstlisting}
  \else
      \gdef\thelstlisting{\@arabic\c@lstlisting}
  \fi}
\endinput
%%
%% End of file `listings-xetex-bidi.def'.
