fancyitem.sty

%%
%% This is file `fancyitem.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% fancyitem.dtx 
%% 
%% `fancyitem' is a package for XXX
%%
%% Copyright (c) 2020 Saso Zivanovic
%%                    (Sa\v{s}o \v{Z}ivanovi\'{c})
%% saso.zivanovic@guest.arnes.si
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%%
%%   http://www.latex-project.org/lppl.txt
%%
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status `author-maintained'.
%%
%% This work consists of the following files:
%% - fancyitem.dtx:
%% - fancyitem.sty:
%%
\ProvidesPackage{fancyitem}
\RequirePackage{etoolbox}
\def\fancyitem@itemcs#1#2{fancyitem@item@#1@#2}
\def\fancyitem@endcurritemcs{fancyitem@end@\@currenvir @\fancyitem@dp}
\def\fancyitem@dp{%
  \ifcsdef{enitdp@\@currenvir}{%
    \expandafter\the\csname enitdp@\@currenvir\endcsname
  }{}%
}
\@ifpackageloaded{enumitem}{}{%
  \let\enitdp@itemize\@itemdepth
  \let\enitdp@enumerate\@enumdepth
}
\def\fancyitem@item{%
  \ifcsdef{\fancyitem@itemcs{\@currenvir}{\fancyitem@dp}}{%
    \fancyitem@doatenditem
    \@nameuse{\fancyitem@itemcs{\@currenvir}{\fancyitem@dp}}%
  }{%
    \ifcsdef{\fancyitem@itemcs{\@currenvir}{0}}{%
      \fancyitem@doatenditem
      \@nameuse{\fancyitem@itemcs{\@currenvir}{0}}%
    }{%
      \PlainItem
    }%
  }%
}
\def\fancyitem@doatenditem{%
  \ifcsdef{\fancyitem@endcurritemcs}{\fancyitem@doatenditem@}{}}
\def\fancyitem@doatenditem@{%
  \expandafter\the\csname\fancyitem@endcurritemcs\endcsname
  \csname\fancyitem@endcurritemcs\endcsname={}%
}
\newcommand\FancyItem[3][0]{%
  \cslet{\fancyitem@itemcs{#2}{#1}}{#3}%
\expandafter\ifpatchable\expandafter
  {\csname @end@#2@hook\endcsname}{\fancyitem@doatenditem}{}{%
    \AtEndEnvironment{#2}{\fancyitem@doatenditem}%
  }%
}
\def\AtEndItem#1{%
  \ifcsdef{\fancyitem@endcurritemcs}{}{%
    \expandafter\newtoks\csname\fancyitem@endcurritemcs\endcsname
  }%
  \csname\fancyitem@endcurritemcs\endcsname={#1}%
}
\let\PlainItem\item
\let\item\fancyitem@item
\endinput
%%
%% End of file `fancyitem.sty'.