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Diffstat (limited to 'Master/texmf-dist/tex/latex/graphics/keyval.sty')
-rw-r--r-- | Master/texmf-dist/tex/latex/graphics/keyval.sty | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/graphics/keyval.sty b/Master/texmf-dist/tex/latex/graphics/keyval.sty new file mode 100644 index 00000000000..cb547cc7009 --- /dev/null +++ b/Master/texmf-dist/tex/latex/graphics/keyval.sty @@ -0,0 +1,81 @@ +%% +%% This is file `keyval.sty', +%% generated with the docstrip utility. +%% +%% The original source files were: +%% +%% keyval.dtx (with options: `package') +%% +%% keyval.dtx Copyright (C) 1993 1994 1995 1997 1998 1999 David Carlisle +%% +%% This file is part of the Standard LaTeX `Graphics Bundle'. +%% It may be distributed under the terms of the LaTeX Project Public +%% License, as described in lppl.txt in the base LaTeX distribution. +%% Either version 1.0 or, at your option, any later version. +%% +\NeedsTeXFormat{LaTeX2e} +\ProvidesPackage{keyval} + [1999/03/16 v1.13 key=value parser (DPC)] +\def\setkeys#1#2{% + \def\KV@prefix{KV@#1@}% + \let\@tempc\relax + \KV@do#2,\relax,} +\def\KV@do#1,{% + \ifx\relax#1\empty\else + \KV@split#1==\relax + \expandafter\KV@do\fi} +\def\KV@split#1=#2=#3\relax{% + \KV@@sp@def\@tempa{#1}% + \ifx\@tempa\@empty\else + \expandafter\let\expandafter\@tempc + \csname\KV@prefix\@tempa\endcsname + \ifx\@tempc\relax + \KV@errx + {\@tempa\space undefined}% + \else + \ifx\@empty#3\@empty + \KV@default + \else + \KV@@sp@def\@tempb{#2}% + \expandafter\@tempc\expandafter{\@tempb}\relax + \fi + \fi + \fi} +\def\KV@default{% + \expandafter\let\expandafter\@tempb + \csname\KV@prefix\@tempa @default\endcsname + \ifx\@tempb\relax + \KV@err{No value specified for \@tempa}% + \else + \@tempb\relax + \fi} +\DeclareOption{unknownkeysallowed}{% + \def\KV@errx#1{\PackageInfo{keyval}{#1}}} +\DeclareOption{unknownkeyserror}{% + \def\KV@errx#1{\PackageError{keyval}{#1}\@ehc}} +\ExecuteOptions{unknownkeyserror} +\let\KV@err\KV@errx +\ProcessOptions +\def\@tempa#1{% +\def\KV@@sp@def##1##2{% + \futurelet\KV@tempa\KV@@sp@d##2\@nil\@nil#1\@nil\relax##1}% +\def\KV@@sp@d{% + \ifx\KV@tempa\@sptoken + \expandafter\KV@@sp@b + \else + \expandafter\KV@@sp@b\expandafter#1% + \fi}% +\def\KV@@sp@b#1##1 \@nil{\KV@@sp@c##1}% + } +\@tempa{ } +\def\KV@@sp@c#1\@nil#2\relax#3{\KV@toks@{#1}\edef#3{\the\KV@toks@}} +\newtoks\KV@toks@ +\def\define@key#1#2{% + \@ifnextchar[{\KV@def{#1}{#2}}{\@namedef{KV@#1@#2}####1}} +\def\KV@def#1#2[#3]{% + \@namedef{KV@#1@#2@default\expandafter}\expandafter + {\csname KV@#1@#2\endcsname{#3}}% + \@namedef{KV@#1@#2}##1} +\endinput +%% +%% End of file `keyval.sty'. |