EVOLUTION-MANAGER

Edit File: ifvtex.sty

%%
%% This is file `ifvtex.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ifvtex.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Project: ifvtex
%% Version: 2010/03/01 v1.5
%% 
%% Copyright (C) 2001, 2006-2008, 2010 by
%%    Heiko Oberdiek <heiko.oberdiek at googlemail.com>
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%%    http://www.latex-project.org/lppl/lppl-1-3c.txt
%% and 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 "maintained".
%% 
%% This Current Maintainer of this work is Heiko Oberdiek.
%% 
%% The Base Interpreter refers to any `TeX-Format',
%% because some files are installed in TDS:tex/generic//.
%% 
%% This work consists of the main source file ifvtex.dtx
%% and the derived files
%%    ifvtex.sty, ifvtex.pdf, ifvtex.ins, ifvtex.drv, ifvtex-test1.tex.
%% 
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode35=6 % #
  \catcode39=12 % '
  \catcode44=12 % ,
  \catcode45=12 % -
  \catcode46=12 % .
  \catcode58=12 % :
  \catcode64=11 % @
  \catcode123=1 % {
  \catcode125=2 % }
  \expandafter\let\expandafter\x\csname ver@ifvtex.sty\endcsname
  \ifx\x\relax % plain-TeX, first loading
  \else
    \def\empty{}%
    \ifx\x\empty % LaTeX, first loading,
      % variable is initialized, but \ProvidesPackage not yet seen
    \else
      \expandafter\ifx\csname PackageInfo\endcsname\relax
        \def\x#1#2{%
          \immediate\write-1{Package #1 Info: #2.}%
        }%
      \else
        \def\x#1#2{\PackageInfo{#1}{#2, stopped}}%
      \fi
      \x{ifvtex}{The package is already loaded}%
      \aftergroup\endinput
    \fi
  \fi
\endgroup%
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode35=6 % #
  \catcode39=12 % '
  \catcode40=12 % (
  \catcode41=12 % )
  \catcode44=12 % ,
  \catcode45=12 % -
  \catcode46=12 % .
  \catcode47=12 % /
  \catcode58=12 % :
  \catcode64=11 % @
  \catcode91=12 % [
  \catcode93=12 % ]
  \catcode123=1 % {
  \catcode125=2 % }
  \expandafter\ifx\csname ProvidesPackage\endcsname\relax
    \def\x#1#2#3[#4]{\endgroup
      \immediate\write-1{Package: #3 #4}%
      \xdef#1{#4}%
    }%
  \else
    \def\x#1#2[#3]{\endgroup
      #2[{#3}]%
      \ifx#1\@undefined
        \xdef#1{#3}%
      \fi
      \ifx#1\relax
        \xdef#1{#3}%
      \fi
    }%
  \fi
\expandafter\x\csname ver@ifvtex.sty\endcsname
\ProvidesPackage{ifvtex}%
  [2010/03/01 v1.5 Detect VTeX and its facilities (HO)]%
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode123=1 % {
  \catcode125=2 % }
  \catcode64=11 % @
  \def\x{\endgroup
    \expandafter\edef\csname ifvtex@AtEnd\endcsname{%
      \endlinechar=\the\endlinechar\relax
      \catcode13=\the\catcode13\relax
      \catcode32=\the\catcode32\relax
      \catcode35=\the\catcode35\relax
      \catcode61=\the\catcode61\relax
      \catcode64=\the\catcode64\relax
      \catcode123=\the\catcode123\relax
      \catcode125=\the\catcode125\relax
    }%
  }%
\x\catcode61\catcode48\catcode32=10\relax%
\catcode13=5 % ^^M
\endlinechar=13 %
\catcode35=6 % #
\catcode64=11 % @
\catcode123=1 % {
\catcode125=2 % }
\def\TMP@EnsureCode#1#2{%
  \edef\ifvtex@AtEnd{%
    \ifvtex@AtEnd
    \catcode#1=\the\catcode#1\relax
  }%
  \catcode#1=#2\relax
}
\TMP@EnsureCode{10}{12}% ^^J
\TMP@EnsureCode{39}{12}% '
\TMP@EnsureCode{44}{12}% ,
\TMP@EnsureCode{45}{12}% -
\TMP@EnsureCode{46}{12}% .
\TMP@EnsureCode{47}{12}% /
\TMP@EnsureCode{58}{12}% :
\TMP@EnsureCode{60}{12}% <
\TMP@EnsureCode{62}{12}% >
\TMP@EnsureCode{94}{7}% ^
\TMP@EnsureCode{96}{12}% `
\edef\ifvtex@AtEnd{\ifvtex@AtEnd\noexpand\endinput}
\begingroup
  \expandafter\ifx\csname ifvtex\endcsname\relax
  \else
    \edef\i/{\expandafter\string\csname ifvtex\endcsname}%
    \expandafter\ifx\csname PackageError\endcsname\relax
      \def\x#1#2{%
        \edef\z{#2}%
        \expandafter\errhelp\expandafter{\z}%
        \errmessage{Package ifvtex Error: #1}%
      }%
      \def\y{^^J}%
      \newlinechar=10 %
    \else
      \def\x#1#2{%
        \PackageError{ifvtex}{#1}{#2}%
      }%
      \def\y{\MessageBreak}%
    \fi
    \x{Name clash, \i/ is already defined}{%
      Incompatible versions of \i/ can cause problems,\y
      therefore package loading is aborted.%
    }%
    \endgroup
    \expandafter\ifvtex@AtEnd
  \fi%
\endgroup
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname newif\endcsname\relax
  \def\ifvtex@newif#1{%
    \begingroup
      \escapechar=-1 %
    \expandafter\endgroup
    \expandafter\ifvtex@@newif\string#1\@nil
  }%
  \def\ifvtex@@newif#1#2#3\@nil{%
    \expandafter\edef\csname#3true\endcsname{%
      \let
      \expandafter\noexpand\csname if#3\endcsname
      \expandafter\noexpand\csname iftrue\endcsname
    }%
    \expandafter\edef\csname#3false\endcsname{%
      \let
      \expandafter\noexpand\csname if#3\endcsname
      \expandafter\noexpand\csname iffalse\endcsname
    }%
    \csname#3false\endcsname
  }%
\else
  \expandafter\let\expandafter\ifvtex@newif\csname newif\endcsname
\fi
\ifvtex@newif\ifvtex
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname VTeXversion\endcsname\relax
\else
  \begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname OpMode\endcsname\relax
  \else
    \vtextrue
  \fi
\fi
\ifvtex@newif\ifvtexdvi
\ifvtex@newif\ifvtexpdf
\ifvtex@newif\ifvtexps
\ifvtex@newif\ifvtexhtml
\ifvtex@newif\ifvtexgex
\ifvtex
  \ifcase\OpMode\relax
    \vtexdvitrue
  \or % 1
    \vtexpdftrue
  \or % 2
    \vtexpstrue
  \or % 3
    \vtexpstrue
  \or\or\or\or\or\or\or % 10
    \vtexhtmltrue
  \fi
  \begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname gexmode\endcsname\relax
  \else
    \ifnum\gexmode>0 %
      \vtexgextrue
    \fi
  \fi
\fi
\begingroup
  \expandafter\ifx\csname PackageInfo\endcsname\relax
    \def\x#1#2{%
      \immediate\write-1{Package #1 Info: #2.}%
    }%
  \else
    \let\x\PackageInfo
    \expandafter\let\csname on@line\endcsname\empty
  \fi
  \x{ifvtex}{%
    VTeX %
    \ifvtex
      in \ifvtexdvi DVI\fi
         \ifvtexpdf PDF\fi
         \ifvtexps PS\fi
         \ifvtexhtml HTML\fi
      \space mode %
      with\ifvtexgex\else out\fi\space GeX %
    \else
      not %
    \fi
    detected%
  }%
\endgroup
\ifvtex@AtEnd%
\endinput
%%
%% End of file `ifvtex.sty'.