summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/latex/graphics/keyval.sty
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/tex/latex/graphics/keyval.sty')
-rw-r--r--Master/texmf-dist/tex/latex/graphics/keyval.sty81
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'.