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Code Editor : programs.sty

%% 
%% This is file `programs.sty',
%% generated with the docstrip utility.
%% 
%% The original source files were:
%% 
%% programs.dtx  (with options: `style')
%% 
%% Copyright: Miguel Alabau, 1995    Miguel.Alabau@labri.u-bordeaux.fr 
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{programs}

%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote  \"     Hash (number) \#
%%   Dollar        \$     Percent       \%     Ampersand     \&
%%   Acute accent  \'     Left paren    $     Right paren   $
%%   Asterisk      \*     Plus          \+     Comma         \,
%%   Minus         \-     Point         \.     Solidus       \/
%%   Colon         \:     Semicolon     \;     Less than     \<
%%   Equals        \=     Greater than  \>     Question mark \?
%%   Commercial at \@     Left bracket  \[     Backslash     \\
%%   Right bracket \]     Circumflex    \^     Underscore    \_
%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%%   Right brace   \}     Tilde         \~}
%%

\typeout{Document style `programs.sty' <1993,1994,1995>}

\expandafter\ifx\csname AlreadyDefined@@Programs\endcsname\relax%
\expandafter\def\csname AlreadyDefined@@Programs\endcsname{}%
\else\endinput\fi

%% CONTROLLING PROGRAM INDENTATION
\newdimen\@@programindent
\@@programindent=\z@
\def\ProgramIndent#1{\@@programindent=#1}

%% SURROUNDING PROGRAMS BY RULES
\newif\if@@surround\@@surroundfalse
\def\ProgramSurround{\@@surroundtrue}
\def\@@progline{\def\@@prgln{\rule{\linewidth}{0.1mm}}\@@prgln}
\def\@@noprogline{\rule{0pt}{0pt}}

%% LINE NUMBERING
\newlength{\@@defaultindent}
\settowidth{\@@defaultindent}{{\tt{}12345}}
\newif\if@@resetlineno \@@resetlinenotrue \newif\if@@unnumline
\@@unnumlinefalse
\newif\if@@CurrentProgIsUnnumbered \@@CurrentProgIsUnnumberedfalse

\def\NoResetProgramCounter{\@@resetlinenofalse}

\def\UnnumLine{\ \@@unnumlinetrue}

\newcounter{@@lineno}\setcounter{@@lineno}{1}
\def\SetProgramCounter#1{\setcounter{@@lineno}{#1}\@@resetlinenofalse}

\newcounter{@@dummylineno}\setcounter{@@dummylineno}{1}

\def\LeftMarginNumberLine{\let\@@PlaceOfNumbers\@@LeftMarginNumberLine}
\def\RightMarginNumberLine{\let\@@PlaceOfNumbers\@@RightMarginNumberLine}
\def\BothMarginsNumberLine{\let\@@PlaceOfNumbers\@@BothMarginsNumberLine}
\def\InBodyLeftNumberLine{\let\@@PlaceOfNumbers\@@InBodyLeftNumberLine}
\def\@@LeftMarginNumberLine{0} \def\@@RightMarginNumberLine{1}
\def\@@BothMarginsNumberLine{2}
\def\@@InBodyLeftNumberLine{3}
\LeftMarginNumberLine

%% PROGRAM DEFAULT FONTS
\def\@@DefaultProgramFont{0}
\def\ttProgram{\def\@@DefaultProgramFont{0}\def@@astyped\def@@program}
\def\rmProgram{\def\@@DefaultProgramFont{1}\def@@astyped\def@@program}
\def\emProgram{\def\@@DefaultProgramFont{2}\def@@astyped\def@@program}
\def\ProgramDefaultFont{\ttProgram}

%% THE REAL ENVIRONMENT
{\catcode`\ =\active\gdef\@@vobeyspaces{\catcode`\ \active\let \@@xobeysp}}
\def\@@xobeysp{\leavevmode\penalty10000\ }
\def\def@@astyped{%
    \def\@@astyped{%
        \partopsep\z@%
        \topsep\z@%
        \trivlist \item[]%
            \leftskip\@totalleftmargin%
            \rightskip\z@%
            \parindent\z@%
            \parfillskip\@flushglue%
            \parskip\z@%
            \@tempswafalse%
            \def\par{\if@tempswa\hbox{}\fi\@tempswatrue\@@par}%
            \obeylines%
            \ifcase\@@DefaultProgramFont \tt\or \rm\or \em\else \tt\fi
            \catcode``=13 \@noligs%
            \let\do\@makeother \do\ \do\^^K\do\^^A%
            \frenchspacing\@@vobeyspaces%
            \noindent\hspace{\parindent}%
            \if@@surround\@@progline\else\@@noprogline\fi%
            \nopagebreak%
            }
    \def\end@@astyped{%
            \nopagebreak%
            \noindent\hspace{\parindent}%
            \if@@surround\@@progline\else\@@noprogline\fi%
        \endtrivlist%
        }
}

%% META-COMMANDS FOR DEFINING NEW PROGRAM ENVIRONMENTS
\def\NewProgram#1#2{\@@newprog{#1}{#2}}
\def\RenewProgram#1#2{\@@newprog{#1}{#2}}
\def\@@newprog#1#2{%
    \@namedef{#1}{%
        \begingroup\def\@@tempa{\@nameuse{#2}}%
        \def\@@tempb{\baselinestretch}\def\baselinestretch{1}%
        \@ifundefined{@@tempa}{\normalsize}{\@@tempa}%
        \def@@astyped\@@astyped%
        \@ifnextchar[{\@@xnewprog}{\@@xnewprog[\@@programindent]}%
    }%
    \@namedef{end#1}{%
        \everypar{}%
        \if@@CurrentProgIsUnnumbered \relax%
        \else%
                \addtocounter{@@lineno}{1}%
        \fi%
        %
        \end@@astyped%
        \let\baselinestretch=\@@tempb\endgroup%
        \global\@@resetlinenotrue%
        \global\ProgramDefaultFont%
        \global\@@surroundfalse%
    }%
    \@namedef{f#1}##1{\@nameuse{#1}*\par\input##1\@nameuse{end#1}}%
    \@namedef{l#1}##1{\@nameuse{#1}\par\input##1\@nameuse{end#1}}%
}

\newlength{\@@numlinelength}
\def\@@xnewprog[#1]{%
        \@ifstar{%
          \@@CurrentProgIsUnnumberedtrue
            \setcounter{@@dummylineno}{0}%
            \leavevmode%
            \everypar{%
                \refstepcounter{@@dummylineno}%
                \@@unnumlinefalse%
                \noindent\hspace{#1}}%
        }%
        {%
          \@@CurrentProgIsUnnumberedfalse
          \if@@resetlineno%
                  \setcounter{@@lineno}{0}%
          \else%
                  \addtocounter{@@lineno}{-1}%
          \fi%
          \leavevmode%
          \everypar{%
              \if@@unnumline%
                  \ifx \@@PlaceOfNumbers\@@InBodyLeftNumberLine%
                      \hspace{\@@defaultindent}%
                      \rule{0pt}{0pt}%
                  \fi
              \else%
                  \refstepcounter{@@lineno}%
                  \ifx \@@PlaceOfNumbers\@@LeftMarginNumberLine%
                      \llap{{\rm\the@@lineno\ \ }}%
                  \else \ifx \@@PlaceOfNumbers\@@RightMarginNumberLine%
                      \noindent\hspace{\columnwidth}%
                      \rlap{{\rm\ \ \the@@lineno}}%
                      \noindent\hspace{-\columnwidth}%
                  \else \ifx \@@PlaceOfNumbers\@@BothMarginsNumberLine%
                      \noindent\hspace{\columnwidth}%
                      \rlap{{\rm\ \ \the@@lineno}}%
                      \noindent\hspace{-\columnwidth}%
                      \llap{{\rm\the@@lineno\ \ }}%
                  \else \ifx \@@PlaceOfNumbers\@@InBodyLeftNumberLine%
                      \hspace{\@@defaultindent}%
                      \rule{0pt}{0pt}%
                      \llap{{\rm\the@@lineno\ \ }}%
                  \else
                       \llap{{\rm\the@@lineno\ \ }}%
                  \fi\fi\fi\fi
              \fi\@@unnumlinefalse%
              \noindent\hspace{#1}%
        }%
    }%
}

%% PREDEFINED ENVIRONMENTS AND COMMANDS
\def\def@@program{%
  \NewProgram{program}{normalsize}
  \NewProgram{programl}{large}
  \NewProgram{programL}{Large}
  \NewProgram{programs}{small}
  \NewProgram{programf}{footnotesize}
  \NewProgram{programsc}{scriptsize}
  \NewProgram{programt}{tiny}
}
\ProgramDefaultFont

%% OLD MACRO NAMES PRESENT HERE FOR COMPATIBILITY REASONS
\let\newprogram=\NewProgram \let\renewprogram=\RenewProgram
\let\noresetprogramcounter=\NoResetProgramCounter
\let\programindent=\ProgramIndent
\let\programsurround=\ProgramSurround
\let\setprogramcounter=\SetProgramCounter \let\unnumline=\UnnumLine
\let\BothMarginNumberLine=\BothMarginsNumberLine

\endinput
%% 
%% End of file `programs.sty'.

${this.title}

Code Editor : programs.sty