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%%
%% This is file `pst-key.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% keyval.dtx (with options: `package,plain,pstricks')
%%
%% This file is based on keyval.dtx from the LaTeX tools distribution.
%% It may be distributed and used with the conditions applying to the
%% PSTricks distribution. See the comments in pstricks.tex for details.
%%
%% File: keyval.dtx Copyright (C) 1993 1994 1995 1997 1998 David Carlisle
\def\next[#1]{\catcode`\@=11
\expandafter\let\csname ver@keyval.sty\endcsname\empty
\wlog{keyval: #1}}\next
[1998/07/23 v1.11 key=value parser (DPC)]
\def\setkeys{%
\@ifnextchar[%
\KV@list
{\let\KV@undefined\KV@error
\KV@setkeys}}
\def\KV@psset{psset}
\def\KV@setkeys#1#2{%
\def\@tempa{#1}%
\edef\KV@prefix{%
\ifx\@tempa\KV@psset\else
KV@%
\fi
#1@}%
\KV@do#2,\relax,}
\def\psset#1{%
\def\KV@prefix{psset@}%
\KV@do#1,\relax,}
\def\use@par{\expandafter\psset\expandafter{\pst@par}%
\let\pst@par\@empty}
\def\KV@list[#1]{%
\def\KV@undefined{\KV@add#1}%
\ifx#1\@undefined
\let#1\@empty
\fi
\KV@setkeys}
\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@undefined{#2}{#3}%
\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}
\def\KV@add#1#2#3{%
\toks2\expandafter{#1}%
\KV@@sp@def\@tempb{#2}%
\toks4\expandafter{\@tempb}%
\edef#1{\the\toks2
\ifx#1\@empty\else,\fi
\@tempa
\ifx\KV@add#3\KV@add\else={\the\toks4}\fi}}
\def\KV@err#1{\errmessage{keyval: #1}}
\def\KV@error#1#2{\KV@err{\@tempa\space undefined}}
\def\@tempa#1{%
\def\KV@@sp@def##1##2{\KV@@sp@b##2\@nil\@nil#1\@nil\relax##1}}
\@tempa{ }
\def\KV@@sp@b#1#2 \@nil{\KV@@sp@c#1#2}
\def\KV@@sp@c#1\@nil#2\relax#3{\def#3{#1}}
\def\define@key#1#2{%
\def\KV@prefix{#1}%
\edef\KV@prefix{%
\ifx\KV@prefix\KV@psset\else
KV@%
\fi
#1@#2}%
\@ifnextchar[\KV@def{\@namedef\KV@prefix####1}}
\def\KV@def[#1]{%
\@namedef{\KV@prefix @default\expandafter}\expandafter
{\csname \KV@prefix\endcsname{#1}}%
\@namedef\KV@prefix##1}
\endinput
%%
%% End of file `pst-key.tex'.
|
