latex-packages/math/mkessler-mathalias.sty
2021-09-11 17:19:02 +02:00

46 lines
1.7 KiB
TeX

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{mkessler-mathalias}[2021/09/09 Easy aliasing for math style commands]
%%%%%%
\newif\ifmkessler@mathalias@basic\mkessler@mathalias@basicfalse
\DeclareOption{basic}{\mkessler@mathalias@basictrue}
\newif\ifmkessler@mathalias@extended\mkessler@mathalias@extendedfalse
\DeclareOption{extended}{\mkessler@mathalias@extendedtrue\mkessler@mathalias@basictrue}
\DeclareOption*{\PackageWarning{mkessler-mathalias}{Unknown '\CurrentOption'}}
\ProcessOptions\relax
%Usage: \makealiasesforwith\<mathcommand>{<prefix>}{<Set of letters>}
% to declare commands of form \<prefix><Letter> as \<mathcommand>{<Letter>} for each
% of the specfied letters
%
% E.g. \makealiasesforwith\mathcal{c}{ABC} will declare
% \cA \cB \cC \cD as \mathcal{A}, \mathcal{B}, \mathcal{C}
% This is also ensuring math context, so that
% \cA will be valid even in normal text.
\def\makealiasesforwith#1#2#3{
\def\mkessler@aliases@makealias##1{
\expandafter\def\csname #2##1\endcsname{\ensuremath{#1{##1}}}
}
\def\mkessler@aliases@recurse##1{
\ifx##1\mkessler@dummy\else
\mkessler@aliases@makealias{##1}\expandafter\mkessler@aliases@recurse\fi
}
\mkessler@aliases@recurse #3\mkessler@dummy
}
\def\mkessler@mathalias@all{ABCDEFGHIJKLMNOPQRSTUVWXYZ}
\ifmkessler@mathalias@basic
\RequirePackage{amsfonts}
\makealiasesforwith\mathbb{}{CFKNQRZ}
\fi
\ifmkessler@mathalias@extended
\expandafter\makealiasesforwith\expandafter\mathcal\expandafter{\expandafter c\expandafter}\expandafter{\mkessler@mathalias@all}
\expandafter\makealiasesforwith\expandafter\mathfrak\expandafter{\expandafter f\expandafter}\expandafter{\mkessler@mathalias@all}
\fi