% (The MIT License)
%
% Copyright (c) 2021-2022 Yegor Bugayenko
%
% Permission is hereby granted, free of charge, to any person obtaining a copy
% of this software and associated documentation files (the 'Software'), to deal
% in the Software without restriction, including without limitation the rights
% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
% copies of the Software, and to permit persons to whom the Software is
% furnished to do so, subject to the following conditions:
%
% The above copyright notice and this permission notice shall be included in all
% copies or substantial portions of the Software.
%
% THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
% SOFTWARE.

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{iexec}[2022/01/09 0.5.1 Inputable Shell Executions]

\RequirePackage{shellesc}
\RequirePackage{pgfkeys}
\RequirePackage{xkeyval}

\makeatletter\newif\ifiexec@trace
\DeclareOptionX{trace}{\iexec@tracetrue}
\ProcessOptionsX\relax\makeatother

\makeatletter\pgfkeys{
  /iexec/.is family,
  /iexec,
  stdout/.estore in = \iexec@stdout,
  stdout/.default = iexec.tmp,
  trace/.estore in = \iexec@traceit,
  quiet/.estore in = \iexec@quiet,
  stdout
}\makeatother

\makeatletter\newcommand\iexec[2][]{%
  \begingroup
    \pgfqkeys{/iexec}{#1}%
    \ifnum\pdfshellescape=1\else%
      \PackageError{iexec}{You must run latex with --shell-escape option}{}%
    \fi%
    \begingroup%
      \let\%\@percentchar%
      \let\\\@backslashchar%
      \let\{\@charlb%
      \let\}\@charrb%
      \ShellEscape{#2 > \iexec@stdout}%
      \message{^^Jiexec: [#2 > \iexec@stdout]^^J}%
    \endgroup%
    \ifdefined\iexec@quiet
      \message{^^Jiexec: Due to 'quiet' we didn't read the content of '\iexec@stdout'^^J}%
    \else%
      \input{\iexec@stdout}%
      \message{^^Jiexec: The content of '\iexec@stdout' was included into the document^^J}%
    \fi%
    \ifiexec@trace%
      \message{^^Jiexec: Due to package option 'trace', the file '\iexec@stdout' was not deleted^^J}%
    \else%
      \ifdefined\iexec@traceit%
        \message{^^Jiexec: Due to 'trace' option, the file '\iexec@stdout' was not deleted^^J}%
      \else%
        \ShellEscape{rm \iexec@stdout}%
        \message{^^Jiexec: The file '\iexec@stdout' was deleted^^J}%
      \fi%
    \fi%
  \endgroup
}\makeatother

\endinput
