%%************************************************************************
%%
%%                     Annals of Software Engineering
%%
%%                          LaTeX2e Class File
%%
%%                            Scott A. Guyer
%%
%%	                      Oct. 28, 1997
%%
%%   Virginia Tech, Department of Computer Science, Blacksburg, VA, USA.
%%
%%
%%------------------------------------------------------------------------
%% USAGE:  This is a LaTeX2e class file, so to use this class, authors
%%   should just use \documentclass{ase} and proceed as they would
%%   with an article class.  The primary new additions are the
%%   runningtitle and runningauthor commands (see next paragraph).
%%
%%   Authors should remember to define the \runningtitle and
%%   \runningauthor commands to something reasonable so that the
%%   headers (\runningauthor, \runningtitle) fit nicely in the header.
%%
%% MINUTIA:
%%   The \setsecboxwidth command sets the width of the counter box
%%   as well as the \parindent for that section header.  This should remain
%%   constant throughout the document.  The section head will be printed
%%   at the end of that counter box.  The effect is that all the headings
%%   and indents of the section are aligned.
%%
%%   Authors should use BiBTeX.  However, there is no need to specify
%%   a \bibliographystyle since this class handles it (we currently
%%   use ASE).  The result is an alphabetical list of bibs where
%%   only the first line of each bibitem is left justified.  The
%%   remaining lines of each bibitem are indented by a specified
%%   by a default dimension.  The current default is 1.5em.  To alter
%%   this, authors may use the \setbibhang command to specify another
%%   reasonable dimension.
%%
%% Revised: 1/27/97 -- Scott A. Guyer
%%   Added page layout commands to force 1in left-right margins with
%%   .75in top and bottom margins.
%%
%%   Added command to options to force 1.62 baselinestretch
%%   (i.e. double spacing).
%%
%% Revised: 2/4/97 -- Scott A. Guyer
%%   Header alignment problem on even numbered (right-side) pages fixed.
%%
%% Revised: 2/18/97 -- Scott A. Guyer
%%   Fixed the pagenumbering problem with the abstract.  The abstract
%%   now begins on page 'ii'.
%%
%% Revised: 2/27/97 -- Scott A. Guyer
%%   Forced the use of the new ASE bibliography style file instead of
%%   apalike.  Also, require the package 'cite.sty' for customizing
%%   punctuation appropriately.
%%
%% Revised: 8/11/97 -- Scott A. Guyer
%%   Fixed a bug with \labelsep and \labelwidth for the bibliography
%%   environment.  They were set outside the bibliography environment
%%   and thus had a global effect.
%%
%%************************************************************************
\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{ase}[1996/09/14 Annals of Software Engineering class]
\LoadClass{article}
\RequirePackage{cite}
\RequirePackage{ifthen}

%%----------------------------------------------------------------
%%  OPTIONS: All options should be declared and defined in this
%%  section.
%%----------------------------------------------------------------
\@titlepagetrue
\@twosidetrue
\DeclareOption{twoside}{%
	\PassOptionsToClass{twoside}{article}%
}
\DeclareOption{draft}{%
	\PassOptionsToClass{draft}{article}%
	\renewcommand{\baselinestretch}{1.62}
}
\DeclareOption{titlepage}{\@titlepagetrue}
\DeclareOption*{%
	\PassOptionsToClass{\CurrentOption}{article}%
}
\ExecuteOptions{twoside,titlepage,draft}
\ProcessOptions

%%
%% Make sure we get the title page and abstract on their
%% own separate pages.
%%
\if@titlepage
  \renewcommand{\maketitle}{\begin{titlepage}%
  \thispagestyle{empty}\pagenumbering{roman}
  \let\footnotesize\small
  \let\footnoterule\relax
  \null\vfil
  \vskip 60\p@
  \begin{center}%
    {\LARGE \@title \par}%
    \vskip 3em%
    {\large
     \lineskip .75em%
      \begin{tabular}[t]{c}%
        \@author
      \end{tabular}\par}%
      \vskip 1.5em%
    {\large \@date \par}%       % Set date in \large size.
  \end{center}\par
  \@thanks
  \vfil\null
  \end{titlepage}%
  \setcounter{footnote}{0}%
  \let\thanks\relax\let\maketitle\relax
  \gdef\@thanks{}\gdef\@author{}\gdef\@title{}%
  \renewenvironment{abstract}{%
      \titlepage
      \null\vfil
      \setcounter{page}{2}\thispagestyle{plain}
      \begin{center}
        \bfseries \abstractname
      \end{center}}
     {\par\vfil\null\endtitlepage\clearpage\pagenumbering{arabic}}}
\fi

%%----------------------------------------------------------------
%%  CLASS DEFINITIONS: these are the definitions that define the
%%  look and feel of this class.
%%----------------------------------------------------------------

%%
%% Page Setup---headings and such.
%% Authors should define the running title and running author so
%% that the two can be presented nicely on a single line in the
%% header.
%%
\pagenumbering{arabic}
\pagestyle{myheadings}
\gdef\@rtitle{}
\newcommand{\runningtitle}[1]{\gdef\@rtitle{#1}}
\gdef\@rauthor{}
\newcommand{\runningauthor}[1]{\gdef\@rauthor{#1}}
\AtBeginDocument{%
	\markboth{\@rauthor, \@rtitle\hfil}{\hfil\@rauthor, \@rtitle}%
}

%%
%% Need to add some page sizing --- margins and what-not.
%%
\setlength{\textwidth}{6.5in}
\setlength{\topmargin}{0pt}
\setlength{\voffset}{-.25in}
\setlength{\evensidemargin}{0pt}
\setlength{\oddsidemargin}{0pt}
\setlength{\hoffset}{0pt}
\setlength{\textheight}{650pt}

%%
%% Sectioning---These should do everything they usually do, but
%% we are changing the fonts.  We also want to make sure the
%% section numbers are printed in a uniformly spaced box.  This
%% box has the size of \@secboxwidth.  Users can set this with
%% the \setsecboxwidth command.
%%
%% Redefine \startsection and \sect from latex.ltx so that
%% we can ensure the heading is in upper case for the
%% top level section headings.
\def\setsecboxwidth#1{\@secboxwidth=#1 \parindent=\@secboxwidth}
\newdimen\@secboxwidth \@secboxwidth=3em
\parindent=\@secboxwidth
\def\@seccntformat#1{\csname the#1\endcsname}
\def\@ASEstartsection#1#2#3#4#5#6{\if@noskipsec \leavevmode \fi
   \par \@tempskipa #4\relax
   \@afterindenttrue
   \ifdim \@tempskipa <\z@
     \@tempskipa -\@tempskipa \@afterindentfalse
   \fi
   \if@nobreak \everypar{}\else
     \addpenalty{\@secpenalty}\addvspace{\@tempskipa}\fi \@ifstar
     {\@ssect{#3}{#4}{#5}{#6}}%
     {\@dblarg{\@ASEsect{#1}{#2}{#3}{#4}{#5}{#6}}}}
\def\@ASEsect#1#2#3#4#5#6[#7]#8{\ifnum #2>\c@secnumdepth
     \let\@svsec\@empty\else
     \refstepcounter{#1}%
     \let\@@protect\protect
     \def\protect{\noexpand\protect\noexpand}%
     \edef\@svsec{\@seccntformat{#1}}%
     \let\protect\@@protect\fi
     \@tempskipa #5\relax
      \ifdim \@tempskipa>\z@
        \begingroup #6\relax
          \@hangfrom{\hskip #3\relax\makebox[\@secboxwidth][l]{\@svsec}}%
                    {\interlinepenalty \@M \uppercase{#8}\par}%
        \endgroup
       \csname #1mark\endcsname{#7}\addcontentsline
         {toc}{#1}{\ifnum #2>\c@secnumdepth \else
                      \protect\numberline{\csname the#1\endcsname}\fi
                    #7}\else
        \def\@svsechd{#6\hskip #3\relax  %% \relax added 2 May 90
                   \@svsec \uppercase{#8}\csname #1mark\endcsname
                      {#7}\addcontentsline
                           {toc}{#1}{\ifnum #2>\c@secnumdepth \else
                           \protect\numberline{\csname the#1\endcsname}%
                                     \fi
                       #7}}\fi
     \@xsect{#5}}

\def\@sect#1#2#3#4#5#6[#7]#8{%
     \ifnum #2>\c@secnumdepth
       \let\@svsec\@empty\else
       \refstepcounter{#1}%
     \let\@@protect\protect
     \def\protect{\noexpand\protect\noexpand}%
     \edef\@svsec{\@seccntformat{#1}}%
     \let\protect\@@protect\fi
%       \protected@edef\@svsec{\@seccntformat{#1}}%
%     \fi
     \@tempskipa #5\relax
      \ifdim \@tempskipa>\z@
        \begingroup #6\relax
          \@hangfrom{\hskip #3\relax\makebox[\@secboxwidth][l]{\@svsec}}%
                    {\interlinepenalty \@M #8\par}%
        \endgroup
       \csname #1mark\endcsname{#7}\addcontentsline
         {toc}{#1}{\ifnum #2>\c@secnumdepth \else
                      \protect\numberline{\csname the#1\endcsname}\fi
                    #7}\else
        \def\@svsechd{#6\hskip #3\relax  %% \relax added 2 May 90
                   \@svsec #8\csname #1mark\endcsname
                      {#7}\addcontentsline
                           {toc}{#1}{\ifnum #2>\c@secnumdepth \else
                           \protect\numberline{\csname the#1\endcsname}%
                                     \fi
                       #7}}\fi
     \@xsect{#5}}

%%
%% Now, on to the indentation problem.  We want every new paragraph
%% to be indented, including the first of a new section.
%%
\def\@xsect#1{\@tempskipa #1\relax
      \ifdim \@tempskipa>\z@
       \par \nobreak
       \vskip \@tempskipa
       \@afterheading \hskip\parindent
    \else \global\@nobreakfalse \global\@noskipsectrue
       \everypar{\if@noskipsec \global\@noskipsecfalse
                   \clubpenalty\@M \hskip -\parindent
                   \begingroup \@svsechd \endgroup \unskip
                   \@tempskipa #1\relax
                   \hskip -\@tempskipa
                  \else \clubpenalty \@clubpenalty
                    \everypar{}\fi}
    \fi\ignorespaces
}

%%
%% The section specifications.
%%
\renewcommand{\section}{\@ASEstartsection {section}{1}{\z@}%
	{-3.5ex \@plus -1ex \@minus -.2ex}%
	{2.3ex \@plus .2ex}%
	{\reset@font\bfseries}}
\renewcommand{\subsection}{\@startsection{subsection}{2}{\z@}%
	{-3.25ex\@plus -1ex \@minus -.2ex}%
	{1.5ex \@plus .2ex}%
	{\reset@font\normalsize\bfseries}}
\renewcommand{\subsubsection}{\@startsection{subsubsection}{3}{\z@}%
	{-3.25ex\@plus -1ex \@minus -.2ex}%
	{1.5ex \@plus .2ex}%
	{\reset@font\normalsize\itshape}}
\renewcommand{\paragraph}{\@startsection{paragraph}{4}{\z@}%
	{3.25ex \@plus1ex \@minus.2ex}%
	{-1em}%
	{\reset@font\normalsize}}


%%
%% Setup the bibliography so that the reference list is
%% printed with only the first line of a bibentry left justified.
%% Every other line is indented by \@bibhang (by default 1.5em).
%% The user can change this with the \setbibhang command.
%%
\def\@biblabel#1{}
\newdimen\@bibhang \@bibhang=1.5em
\def\setbibhang#1{\@bibhang=#1}
\renewenvironment{thebibliography}[1]{%
  \setlength{\labelwidth}{0pt}
  \setlength{\labelsep}{0pt}
  \section*{\refname
     \@mkboth{\uppercase{\refname}}{\uppercase{\refname}}}%
   \vspace{-1.5em}
   \setlength{\parindent}{0pt}
   \def\newblock{}
   \renewcommand{\bibitem}[2][]{%
     \if@filesw
       {\let\protect\noexpand\immediate
        \write\@auxout{\string\bibcite{##2}{##1}}}
     \fi\hangindent=\@bibhang\hangafter=1}}
  {}

%%
%% Force the ASE bibliography style and complain when
%% the user tries to change it.
%%
%%
\renewcommand\citepunct{; \penalty\@m\hskip.13emplus.1emminus.1em}
\def\refname{REFERENCES}
\AtBeginDocument{%
  \immediate\write\@mainaux{\string\bibstyle{ase}}
}
\renewcommand{\bibliographystyle}[1]{%
	\typeout{***Warning: The softeng class uses the ASE bibliography
style.  bibliographystyle{#1} command ignored.}
}


%%
%%  Fix the footnotes so that the footnote mark is a
%%  superscripted counter followed by a paren.
%%
\def\thefootnote{\arabic{footnote})}