%% %% This is file `ifoption.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% ifoption.dtx %% %%% ==================================================================== %%% @LaTeX-doc-source-file{ %%% filename = "ifoption.dtx", %%% version = "1.02", %%% date = "2002/03/04", %%% time = "16:33:16 EST", %%% author = "Michael J Downes", %%% address = "American Mathematical Society, %%% Publications Technical Group, %%% PO Box 6248, %%% Providence, RI 02940, %%% USA", %%% email = "tech-support@ams.org", %%% URL = "http://www.ams.org/", %%% abstract = "", %%% copyright = "Copyright 2001 American Mathematical Society.", %%% license = "Unlimited copying and redistribution of this file %%% are permitted as long as this file is not %%% modified. Modifications, and distribution of %%% modified versions, are permitted, but only if %%% the resulting file is renamed.", %%% checksum = "06695 170 563 5432", %%% docstring = "The checksum field, produced by Robert Solovay's %%% checksum utility, gives CRC-16 checksum, lines, %%% words, and characters.", %%% } %%% ==================================================================== \NeedsTeXFormat{LaTeX2e} \ProvidesPackage{ifoption}[2002/03/04 v1.02] \let\@xp\expandafter \let\@nx\noexpand \def\@True{00} \def\@False{01} \def\CurrentPackage{\@currname} \let\CurrentClass\CurrentPackage \newcommand{\IfOption}{} \def\IfPackageOption{\@ifpackagewith} \def\IfClassOption{\@ifclasswith} \def\IfOption{% \ifx\@currext\@pkgextension \@xp\IfPackageOption \else \@xp\IfClassOption \fi \@currname } \newcommand{\DeclareExclusiveOptions}[1]{% \xdef\@declaredoptions{\@declaredoptions,#1}% \gdef\ProcessExclusiveOptions{\relax}% \@for\CurrOption:=#1\do{% \@xp\deo@a\csname ds@\CurrOption\@xp\endcsname\@xp{\CurrOption}{#1}% }% } \def\DeclareBooleanOption{\DeclareExclusiveOptions} \def\deo@a#1#2#3{% \def#1{% \g@addto@macro\ProcessExclusiveOptions{\OptionsFalseTrue{#3}{#2}}% }% } \def\cull@options#1,{% \@xp\ifx\csname ds@#1\@gobble\@percentchar\@empty\endcsname\@False \else #1,\fi \cull@options } \newcommand{\OptionsFalseTrue}[2]{% \begingroup \@for\CurrentOption:=#1\do{% \@xp\let\csname ds@\CurrentOption\endcsname\@False }% \let\ds@\@False \@xp\xdef\csname opt@\@currname.\@currext\endcsname{% \@xp\@xp\@xp\cull@options\csname opt@\@currname.\@currext\endcsname ,\@firstoftwo\@firstoftwo,#2% }% \endgroup } \endinput %% %% End of file `ifoption.sty'.