%%
%% This is file `pdfcolparallel.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% pdfcolparallel.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Project: pdfcolparallel
%% Version: 2019/12/29 v1.5
%% 
%% Copyright (C)
%%    2007, 2008, 2010 Heiko Oberdiek
%%    2016-2019 Oberdiek Package Support Group
%% 
%% 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
%%    https://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%%    https://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".
%% 
%% The Current Maintainers of this work are
%% Heiko Oberdiek and the Oberdiek Package Support Group
%% https://github.com/ho-tex/oberdiek/issues
%% 
%% 
%% This work consists of the main source file pdfcolparallel.dtx
%% and the derived files
%%    pdfcolparallel.sty, pdfcolparallel.pdf, pdfcolparallel.ins,
%%    pdfcolparallel.drv, pdfcolparallel-test1.tex.
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{pdfcolparallel}%
  [2019/12/29 v1.5 Color stacks support for parallel (HO)]%
\DeclareOption*{%
  \PassOptionsToPackage{\CurrentOption}{parallel}%
}
\ProcessOptions\relax
\RequirePackage{parallel}[2003/04/13]
\RequirePackage{infwarerr}[2007/09/09]
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname currentgrouplevel\endcsname\relax
  \def\pcp@ColorPatch{}%
\else
  \def\pcp@ColorPatch{%
    \@ifundefined{set@color}{%
      \gdef\pcp@ColorPatch{}%
    }{%
      \gdef\pcp@ColorPatch{%
        \gdef\pcp@ColorResets{}%
        \bgroup
        \aftergroup\pcp@ColorResets
        \aftergroup\egroup
        \let\pcp@OrgSetColor\set@color
        \let\set@color\pcp@SetColor
        \edef\pcp@GroupLevel{\the\currentgrouplevel}%
      }%
    }%
    \pcp@ColorPatch
  }%
  \def\pcp@SetColor{%
    \ifnum\pcp@GroupLevel=\currentgrouplevel
      \let\pcp@OrgAfterGroup\aftergroup
      \def\aftergroup{%
        \g@addto@macro\pcp@ColorResets
      }%
      \pcp@OrgSetColor
      \let\aftergroup\pcp@OrgAfterGroup
    \else
      \pcp@OrgSetColor
    \fi
  }%
\fi
\def\pcp@CmdCheckRedef#1{%
  \begingroup
    \def\pcp@cmd{#1}%
    \afterassignment\pcp@CmdDo
    \long\def\reserved@a
}
\def\pcp@CmdDo{%
    \expandafter\ifx\pcp@cmd\reserved@a
    \else
      \edef\x*{\expandafter\string\pcp@cmd}%
      \@PackageWarningNoLine{pdfcolparallel}{%
        Command \x* has changed.\MessageBreak
        Supported versions of package `parallel':\MessageBreak
        \space\space 2003/04/13\MessageBreak
        The redefinition of \x* may\MessageBreak
        not behave correctly depending on the changes%
      }%
    \fi
  \expandafter\endgroup
  \expandafter\def\pcp@cmd
}
\def\pcp@SwitchStack#1#2{}
\def\pcp@SetCurrent#1{}
\pcp@CmdCheckRedef\ParallelLText{%
  \everypar{}%
  \@restorepar
  \begingroup
    \hbadness=3000 %
    \let\footnote=\ParallelLFootnote
    \ParallelWhichBox=0 %
    \global\setbox\ParallelLBox=\vbox\bgroup
      \hsize=\ParallelLWidth
      \aftergroup\ParallelAfterText
      \begingroup
        \afterassignment\ParallelCheckOpenBrace
        \let\x=%
}{%
  \everypar{}%
  \@restorepar
  \@nobreakfalse
  \begingroup
    \hbadness=3000 %
    \let\footnote=\ParallelLFootnote
    \ParallelWhichBox=0 %
    \global\setbox\ParallelLBox=\vbox\bgroup
      \hsize=\ParallelLWidth
      \linewidth=\ParallelLWidth
      \pcp@SwitchStack{Left}\ParallelLBox
      \aftergroup\ParallelAfterText
      \pcp@ColorPatch
      \begingroup
        \afterassignment\ParallelCheckOpenBrace
        \let\x=%
}
\pcp@CmdCheckRedef\ParallelRText{%
  \everypar{}%
  \@restorepar
  \begingroup
    \hbadness=3000 %
    \ifnum\ParallelFNMode=\@ne
      \let\footnote=\ParallelRFootnote
    \else
      \let\footnote=\ParallelLFootnote
    \fi
    \ParallelWhichBox=\@ne
    \global\setbox\ParallelRBox=\vbox\bgroup
      \hsize=\ParallelRWidth
      \aftergroup\ParallelAfterText
      \begingroup
        \afterassignment\ParallelCheckOpenBrace
        \let\x=%
}{%
  \everypar{}%
  \@restorepar
  \@nobreakfalse
  \begingroup
    \hbadness=3000 %
    \ifnum\ParallelFNMode=\@ne
      \let\footnote=\ParallelRFootnote
    \else
      \let\footnote=\ParallelLFootnote
    \fi
    \ParallelWhichBox=\@ne
    \global\setbox\ParallelRBox=\vbox\bgroup
      \hsize=\ParallelRWidth
      \linewidth=\ParallelRWidth
      \pcp@SwitchStack{Right}\ParallelRBox
      \aftergroup\ParallelAfterText
      \pcp@ColorPatch
      \begingroup
        \afterassignment\ParallelCheckOpenBrace
        \let\x=%
}
\pcp@CmdCheckRedef\ParallelParTwoPages{%
  \ifnum\ParallelBoolVar=\@ne
    \par
    \begingroup
      \global\ParallelWhichBox=\@ne
      \newpage
      \vbadness=10000 %
      \vfuzz=3ex %
      \splittopskip=\z@skip
      \loop%
        \ifnum\ParallelBoolVar=\@ne%
          \ifnum\ParallelWhichBox=\@ne
            \ifvoid\ParallelLBox
              \mbox{} %
              \newpage
            \else
              \global\ParallelWhichBox=\z@
            \fi
          \else
            \ifvoid\ParallelRBox
              \mbox{} %
              \newpage
            \else
              \global\ParallelWhichBox=\@ne
            \fi
          \fi
          \ifnum\ParallelWhichBox=\z@
            \ifodd\thepage
              \mbox{} %
              \newpage
            \fi
            \hbox to\textwidth{%
              \vbox{\vsplit\ParallelLBox to.98\textheight}%
            }%
          \else
            \ifodd\thepage\relax
            \else
              \mbox{} %
              \newpage
            \fi
            \hbox to\textwidth{%
              \vbox{\vsplit\ParallelRBox to.98\textheight}%
            }%
          \fi
          \vspace*{\fill}%
          \newpage
        \fi
        \ifvoid\ParallelLBox
          \ifvoid\ParallelRBox
            \global\ParallelBoolVar=\z@
          \fi
        \fi
      \ifnum\ParallelBoolVar=\@ne
      \repeat
      \par
    \endgroup
  \fi
}{%
  \ifnum\ParallelBoolVar=\@ne
    \par
    \begingroup
      \global\ParallelWhichBox=\@ne
      \newpage
      \vbadness=10000 %
      \vfuzz=3ex %
      \splittopskip=\z@skip
      \loop%
        \ifnum\ParallelBoolVar=\@ne%
          \ifnum\ParallelWhichBox=\@ne
            \ifvoid\ParallelLBox
              \mbox{}%
              \newpage
            \else
              \global\ParallelWhichBox=\z@
            \fi
          \else
            \ifvoid\ParallelRBox
              \null
              \newpage
            \else
              \global\ParallelWhichBox=\@ne
            \fi
          \fi
          \ifnum\ParallelWhichBox=\z@
            \ifodd\value{page}%
              \null
              \newpage
            \fi
            \hbox to\textwidth{%
              \pcp@SetCurrent{Left}%
              \setbox\z@=\vsplit\ParallelLBox to.98\textheight
              \vbox to.98\textheight{%
                \@texttop
                \unvbox\z@
                \@textbottom
              }%
            }%
          \else
            \ifodd\value{page}%
            \else
              \mbox{}%
              \newpage
            \fi
            \hbox to\textwidth{%
              \pcp@SetCurrent{Right}%
              \setbox\z@=\vsplit\ParallelRBox to.98\textheight
              \vbox to.98\textheight{%
                \@texttop
                \unvbox\z@
                \@textbottom
              }%
            }%
          \fi
          \vspace*{\fill}%
          \newpage
        \fi
        \ifvoid\ParallelLBox
          \ifvoid\ParallelRBox
            \global\ParallelBoolVar=\z@
          \fi
        \fi
      \ifnum\ParallelBoolVar=\@ne
      \repeat
      \par
    \endgroup
    \pcp@SetCurrent{}%
  \fi
}
\RequirePackage{pdfcol}[2007/12/12]
\ifpdfcolAvailable
\else
  \PackageInfo{pdfcolparallel}{%
    Loading aborted, because color stacks are not available%
  }%
  \expandafter\endinput
\fi
\pdfcolInitStack{pcp@Left}
\pdfcolInitStack{pcp@Right}
\newbox\pcp@Box
\def\pcp@SwitchStack#1#2{%
  \pdfcolSwitchStack{pcp@#1}%
  \global\setbox\pcp@Box=\vbox to 0pt{%
    \pdfcolSetCurrentColor
  }%
  \aftergroup\pcp@FixBox
  \aftergroup#2%
}
\def\pcp@FixBox#1{%
  \global\setbox#1=\vbox{%
    \unvbox\pcp@Box
    \unvbox#1%
  }%
}
\def\pcp@SetCurrent#1{%
  \ifx\\#1\\%
    \pdfcolSetCurrent{}%
  \else
    \pdfcolSetCurrent{pcp@#1}%
  \fi
}
\pcp@CmdCheckRedef\ParallelParOnePage{%
  \ifnum\ParallelBoolVar=\@ne
    \par
    \begingroup
      \leftmargin=\z@
      \rightmargin=\z@
      \parskip=\z@skip
      \parindent=\z@
      \vbadness=10000 %
      \vfuzz=3ex %
      \splittopskip=\z@skip
      \loop
        \ifnum\ParallelBoolVar=\@ne
          \noindent
          \hbox to\textwidth{%
            \hskip\ParallelLeftMargin
            \hbox to\ParallelTextWidth{%
              \ifvoid\ParallelLBox
                \hskip\ParallelLWidth
              \else
                \ParallelWhichBox=\z@
                \vbox{%
                  \setbox\ParallelBoxVar
                      =\vsplit\ParallelLBox to\dp\strutbox
                  \unvbox\ParallelBoxVar
                }%
              \fi
              \strut
              \ifnum\ParallelBoolMid=\@ne
                \hskip\ParallelMainMidSkip
                \vrule
              \else
                \hss
              \fi
              \hss
              \ifvoid\ParallelRBox
                \hskip\ParallelRWidth
              \else
                \ParallelWhichBox=\@ne
                \vbox{%
                  \setbox\ParallelBoxVar
                      =\vsplit\ParallelRBox to\dp\strutbox
                  \unvbox\ParallelBoxVar
                }%
              \fi
            }%
          }%
          \ifvoid\ParallelLBox
            \ifvoid\ParallelRBox
              \global\ParallelBoolVar=\z@
            \fi
          \fi%
        \fi%
      \ifnum\ParallelBoolVar=\@ne
        \penalty\interlinepenalty
      \repeat
      \par
    \endgroup
  \fi
}{%
  \ifnum\ParallelBoolVar=\@ne
    \par
    \begingroup
      \leftmargin=\z@
      \rightmargin=\z@
      \parskip=\z@skip
      \parindent=\z@
      \vbadness=10000 %
      \vfuzz=3ex %
      \splittopskip=\z@skip
      \loop
        \ifnum\ParallelBoolVar=\@ne
          \noindent
          \hbox to\textwidth{%
            \hskip\ParallelLeftMargin
            \hbox to\ParallelTextWidth{%
              \ifvoid\ParallelLBox
                \hskip\ParallelLWidth
              \else
                \pcp@SetCurrent{Left}%
                \ParallelWhichBox=\z@
                \vbox{%
                  \setbox\ParallelBoxVar
                      =\vsplit\ParallelLBox to\dp\strutbox
                  \unvbox\ParallelBoxVar
                }%
              \fi
              \strut
              \ifnum\ParallelBoolMid=\@ne
                \hskip\ParallelMainMidSkip
                \begingroup
                  \pcp@RuleBetweenColor
                  \vrule
                \endgroup
              \else
                \hss
              \fi
              \hss
              \ifvoid\ParallelRBox
                \hskip\ParallelRWidth
              \else
                \pcp@SetCurrent{Right}%
                \ParallelWhichBox=\@ne
                \vbox{%
                  \setbox\ParallelBoxVar
                      =\vsplit\ParallelRBox to\dp\strutbox
                  \unvbox\ParallelBoxVar
                }%
              \fi
            }%
          }%
          \ifvoid\ParallelLBox
            \ifvoid\ParallelRBox
              \global\ParallelBoolVar=\z@
            \fi
          \fi%
        \fi%
      \ifnum\ParallelBoolVar=\@ne
        \penalty\interlinepenalty
      \repeat
      \par
    \endgroup
    \pcp@SetCurrent{}%
  \fi
}
\def\pcp@RuleBetweenColorDefault{%
  \normalcolor
}
\let\pcp@RuleBetweenColor\pcp@RuleBetweenColorDefault
\RequirePackage{keyval}
\define@key{parallel}{rulebetweencolor}{%
  \edef\pcp@temp{#1}%
  \ifx\pcp@temp\@empty
    \let\pcp@RuleBetweenColor\pcp@RuleBetweenColorDefault
  \else
    \edef\pcp@temp{%
      \noexpand\@ifnextchar[{%
        \def\noexpand\pcp@RuleBetweenColor{%
          \noexpand\color\pcp@temp
        }%
        \noexpand\pcp@GobbleNil
      }{%
        \def\noexpand\pcp@RuleBetweenColor{%
          \noexpand\color{\pcp@temp}%
        }%
        \noexpand\pcp@GobbleNil
      }%
      \pcp@temp\noexpand\@nil
    }%
    \pcp@temp
  \fi
}
\long\def\pcp@GobbleNil#1\@nil{}
%% \section{Installation}
\endinput
%%
%% End of file `pdfcolparallel.sty'.
