swa-platform.sty

\RequirePackage{etoolbox}
\RequirePackage{ifthen,ifpdf,ifluatex,ifxetex}

\ifcsundef{ifundefinedorrelax}%
 {\RequirePackage{scrbase}}%
 {}

\def\swa@RequireIfPackageExists#1{%
  \IfFileExists{#1.sty}{\RequirePackage{#1}{}}{}}

\ifthenelse{\boolean{luatex}}%
  {\swa@RequireIfPackageExists{luatex85}
   \swa@RequireIfPackageExists{luatexbase}
   \PreventPackageFromLoading*%
     [\typeout{pdfcolmk unneccessary on non-pdftex}]%
     {pdfcolmk}}%
  {\RequirePackage{morewrites}}


\ifthenelse{\boolean{xetex}\OR\boolean{luatex}}%
  {}%
  {\input glyphtounicode
   \pdfgentounicode=1
   \RequirePackage[LGR,OT1,LY1,T1]{fontenc}
   \RequirePackage[utf8]{inputenx}
   \input{ix-utf8enc.dfu}
   \ProvideTextCommandDefault{\textblacksquare}{\vrule \@width .3em \@height .4em \@depth -.1em\relax}
   \RequirePackage{alphabeta}}


%%
% From titlepage.dtx by Markus Kohm
%
\newcommand*{\swa@NowButAfterBeginDocument}{%
  \if@atdocument
    \expandafter\@firstofone
  \else
    \expandafter\AtBeginDocument
  \fi
}
%