Class no longer depends on article.cls

resources/ormc_handout.cls

@@ -10,12 +10,31 @@
 % Option Definitions %
 % ------------------ %
 
+% Standard LaTeX
+\newcommand\@ptsize{}
+\@twocolumnfalse
+\@twosidefalse
+\@mparswitchfalse
+% ORMC-specific
 \newif{\if@solutions} % If false, solutions and instructor notes are hidden.
 \newif{\if@singlenumbering} % If true, the same counter is used for all objects.
 \newif{\if@nopagenumber} % If true, don't number pages.
 \newif{\if@shortwarning} % If true, show a smaller solutions warning
 \newif{\if@nowarning} % If true, do not show solution warning
 
+% Standard LaTeX options
+\DeclareOption{10pt}{\renewcommand\@ptsize{0}}
+\DeclareOption{11pt}{\renewcommand\@ptsize{1}}
+\DeclareOption{12pt}{\renewcommand\@ptsize{2}}
+\DeclareOption{a4paper}{%
+	\setlength\paperheight{297mm}%
+	\setlength\paperwidth{210mm}%
+}
+\DeclareOption{letterpaper}{%
+	\setlength\paperheight{11in}%
+	\setlength\paperwidth{8.5in}%
+}
+% ORMC-specific options
 \DeclareOption{solutions}{\@solutionstrue}
 \DeclareOption{nosolutions}{\@solutionsfalse}
 \DeclareOption{multinumbering}{\@singlenumberingfalse}
@@ -29,6 +48,7 @@
 \DeclareOption*{\ClassWarning{ormc_handout}{\CurrentOption ignored}}
 
 \ExecuteOptions{
+	letterpaper,10pt,
 	solutions,
 	multinumbering,
 	pagenumber,
@@ -37,6 +57,7 @@
 }
 
 \ProcessOptions
+\input{size1\@ptsize.clo}
 
 % Hack to allow script option override.
 % To force a build with solutions, compile a file containing the following:
@@ -51,12 +72,198 @@
 
 
 
-\RequirePackage{etoolbox}
+% ------------------------------- %
+% Minimal LaTeX class             %
+% Based on a stripped article.cls %
+% Version 2022/07/02 v1.4n        %
+% ------------------------------- %
 
-% Based on article class
+% Lengths
-\LoadClass{article}
+\setlength\lineskip{1\p@}
-\undef\maketitle
+\setlength\normallineskip{1\p@}
-\undef\section
+\renewcommand\baselinestretch{}
+\setlength\parskip{0\p@ \@plus \p@}
+\@lowpenalty 51
+\@medpenalty 151
+\@highpenalty 301
+
+\setlength\leftmargini{2.5em}
+\leftmargin\leftmargini
+\setlength\leftmarginii{2.2em}
+\setlength\leftmarginiii{1.87em}
+\setlength\leftmarginiv{1.7em}
+\setlength\leftmarginv{1em}
+\setlength\leftmarginvi{1em}
+\setlength\labelsep{.5em}
+\setlength\labelwidth{\leftmargini}
+\addtolength\labelwidth{-\labelsep}
+\@beginparpenalty -\@lowpenalty
+\@endparpenalty -\@lowpenalty
+\@itempenalty -\@lowpenalty
+
+\setlength\arraycolsep{5\p@}
+\setlength\tabcolsep{6\p@}
+\setlength\arrayrulewidth{.4\p@}
+\setlength\doublerulesep{2\p@}
+\setlength\tabbingsep{\labelsep}
+\skip\@mpfootins = \skip\footins
+\setlength\fboxsep{3\p@}
+\setlength\fboxrule{.4\p@}
+
+\newcommand\@pnumwidth{1.55em}
+\newcommand\@tocrmarg{2.55em}
+\newcommand\@dotsep{4.5}
+
+\setlength\columnsep{10\p@}
+\setlength\columnseprule{0\p@}
+
+
+% Counters
+\setcounter{topnumber}{2}
+\renewcommand\topfraction{.7}
+\setcounter{bottomnumber}{1}
+\renewcommand\bottomfraction{.3}
+\setcounter{totalnumber}{3}
+\renewcommand\textfraction{.2}
+\renewcommand\floatpagefraction{.5}
+\setcounter{dbltopnumber}{2}
+\renewcommand\dbltopfraction{.7}
+\renewcommand\dblfloatpagefraction{.5}
+%\setcounter{secnumdepth}{3}
+
+
+% Enum labels
+\renewcommand\theenumi{\@arabic\c@enumi}
+\renewcommand\theenumii{\@alph\c@enumii}
+\renewcommand\theenumiii{\@roman\c@enumiii}
+\renewcommand\theenumiv{\@Alph\c@enumiv}
+\newcommand\labelenumi{\theenumi.}
+\newcommand\labelenumii{(\theenumii)}
+\newcommand\labelenumiii{\theenumiii.}
+\newcommand\labelenumiv{\theenumiv.}
+\renewcommand\p@enumii{\theenumi}
+\renewcommand\p@enumiii{\theenumi(\theenumii)}
+\renewcommand\p@enumiv{\p@enumiii\theenumiii}
+\newcommand\labelitemi{\labelitemfont \textbullet}
+\newcommand\labelitemii{\labelitemfont \bfseries \textendash}
+\newcommand\labelitemiii{\labelitemfont \textasteriskcentered}
+\newcommand\labelitemiv{\labelitemfont \textperiodcentered}
+\newcommand\labelitemfont{\normalfont}
+
+% Required by enumitem, not sure why.
+\newenvironment{description}{%
+	\list{}{\labelwidth\z@ \itemindent-\leftmargin\let\makelabel\descriptionlabel}%
+}{\endlist}
+
+\newcommand*\descriptionlabel[1]{\hspace\labelsep\normalfont\bfseries #1}
+
+
+% Font switching
+\DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
+\DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
+\DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
+\DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf}
+\DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit}
+\DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl}
+\DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc}
+\DeclareRobustCommand*\cal{\@fontswitch\relax\mathcal}
+\DeclareRobustCommand*\mit{\@fontswitch\relax\mathnormal}
+
+
+% Figures and tables
+\newcommand\figurename{Figure}
+\newcommand\tablename{Table}
+\newcounter{figure}
+\renewcommand \thefigure {\@arabic\c@figure}
+\def\fps@figure{tbp}
+\def\ftype@figure{1}
+\def\ext@figure{lof}
+\def\fnum@figure{\figurename\nobreakspace\thefigure}
+\newenvironment{figure}{\@float{figure}}{\end@float}
+\newenvironment{figure*}{\@dblfloat{figure}}{\end@dblfloat}
+\newcounter{table}
+\renewcommand\thetable{\@arabic\c@table}
+\def\fps@table{tbp}
+\def\ftype@table{2}
+\def\ext@table{lot}
+\def\fnum@table{\tablename\nobreakspace\thetable}
+\newenvironment{table}{\@float{table}}{\end@float}
+\newenvironment{table*}{\@dblfloat{table}}{\end@dblfloat}
+
+\newlength\abovecaptionskip
+\newlength\belowcaptionskip
+\setlength\abovecaptionskip{10\p@}
+\setlength\belowcaptionskip{0\p@}
+
+\long\def\@makecaption#1#2{%
+	\vskip\abovecaptionskip
+	\sbox\@tempboxa{#1: #2}%
+	\ifdim \wd\@tempboxa >\hsize
+		#1: #2\par
+	\else
+		\global \@minipagefalse
+		\hb@xt@\hsize{\hfil\box\@tempboxa\hfil}%
+	\fi
+	\vskip\belowcaptionskip%
+}
+\newcommand*\l@figure{\@dottedtocline{1}{1.5em}{2.3em}}
+\let\l@table\l@figure
+
+
+% Miscellaneous
+\newcommand\newblock{\hskip .11em\@plus.33em\@minus.07em}
+\let\@openbib@code\@empty
+
+\newcommand\@idxitem{\par\hangindent 40\p@}
+\newcommand\subitem{\@idxitem \hspace*{20\p@}}
+\newcommand\subsubitem{\@idxitem \hspace*{30\p@}}
+\newcommand\indexspace{\par \vskip 10\p@ \@plus5\p@ \@minus3\p@\relax}
+\renewcommand\footnoterule{%
+	\kern-3\p@
+	\hrule\@width.4\columnwidth
+	\kern2.6\p@%
+}
+\newcommand\@makefntext[1]{%
+	\parindent 1em%
+	\noindent
+	\hb@xt@1.8em{\hss\@makefnmark}#1%
+}
+
+\def\today{%
+	\ifcase\month\or
+		January\or
+		February\or
+		March\or
+		April\or
+		May\or
+		June\or
+		July\or
+		August\or
+		September\or
+		October\or
+		November\or
+		December
+	\fi%
+	\space\number\day, \number\year
+}
+
+\pagenumbering{arabic}
+\raggedbottom
+\onecolumn
+
+
+
+
+
+
+
+
+% ------------ %
+% Minor Tweaks %
+% ------------ %
+
+% We probably don't need enumitem for this.
+% TODO: apply these edits above, in plain LaTeX.
 
 \newcommand\sbullet[1][.5]{\mathbin{\vcenter{\hbox{\scalebox{#1}{$\bullet$}}}}}