%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++%
% %
% This is file 'keyval2e.sty', version 0.0.2, August 2011 %
% %
% This package and accompanying files may be distributed and/or %
% modified under the conditions of the LaTeX Project Public License, %
% either version 1.3 of this license or any later version. The latest %
% version of this license is in http://www.latex-project.org/lppl.txt %
% and version 1.3 or later is part of all distributions of LaTeX %
% version 2005/12/01 or later. %
% %
% The LPPL maintenance status of this software is 'author-maintained'. %
% %
% This software is provided 'as it is', without warranty of any kind, %
% either expressed or implied, including, but not limited to, the %
% implied warranties of merchantability and fitness for a particular %
% purpose. %
% %
% Copyright (c) 2011 Ahmed Musa (a.musa@rocketmail.com). %
% %
%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++%
\@ifpackageloaded{catoptions}{}{\RequirePackage{catoptions}[2011/07/20]}
\UseNormalCatcodes
\StyleFilePurpose{Lightweight and robust key-value parser (AM)}
\StyleFileRCSInfo
$Id: keyval2e.sty,v 0.0.2 2011/08/24 09:00:00 Ahmed Musa Exp $
\ProvidesPackage{keyval2e}[\StyleFileInfo]
\NeedsTeXFormat{LaTeX2e}[1996/12/01]
\SetStyleFileMessages[kve@]{info}{warn}{err}
\newvariables{count}[kve@]{keydepth}[0]
\robust@def*\kve@parse{\cpt@teststopt\kve@parse@a,}
\robust@def*\kve@parse@a[#1]#2#3{%
\kve@ifblank#2\doblank\gobble@to@relax
\cpt@stchoose{cpt@st}{#2}\reserved@e\kve@parse
\pushfunctions\kve@parse
{\ifloopbreak,\kve@do,\kve@act}\cpt@csvdepth
\cpt@sttrue\cpt@csvnormalize[#1]\reserved@e
\def\kve@act##1{#3}%
\def\kve@do##1#1{%
\edef\reserved@a{\unexpanded\expandafter{\@gobble##1}}%
\ifxTF\reserved@a\cpt@nnil{}{%
\expandafter\kve@act\expandafter{\reserved@a}\relax
\@nameuse{@\ifloopbreak second\else first\fi oftwo}%
{\kve@do.}{\gobble@to@sentinel\cpt@nil#1}%
}%
}%
\loopbreakfalse
\expandafter\kve@do\expandafter.\reserved@e#1\cpt@nil#1%
\popfunctions\kve@parse\cpt@csvdepth\cpt@relax
}
\robust@def*\kve@ifblank#1\doblank#2{%
\ifcat$\detokenize\expandafter{\@gobble#1.}$%
\expandafter\@iden
\else
\expandafter\@gobble
\fi
{#2}%
}
% \kve@definekeys[<pref>]{<fam>}[<mp>]{keya/defa/callback,...}
\robust@def*\kve@definekeys{%
\begingroup\endlinechar\m@one
\cpt@teststopt\kve@d@finekeys{KV}%
}
\newletcs\kve@definekey\kve@definekeys
\robust@def*\kve@d@finekeys[#1]#2{%
\cpt@testopt{\kve@d@f@nekeys{#1}{#2}}{kvmp@}%
}
\robust@def*\kve@d@f@nekeys#1#2[#3]#4{%
\gletcs\ifkve@tempsw\ifcpt@st
\endgroup
\kve@ifblank#4\doblank\gobble@to@relax
\def\kve@d@f@n@keys##1{%
\ifkve@tempsw
\ifcsndefinable{#1@#2@\currkey}{%
\ifcsndefinable{#3\currkey}{}%
}%
\fi
\begingroup
\def\kve@true{true}\def\kve@false{false}%
\expandafter\endgroup\ifcase\ifx\currval\kve@true0\else
\ifx\currval\kve@false0\else1\fi\fi\relax
\expandafter\newif\csname if#3\currkey\endcsname
\@namedef{#1@#2@\currkey}####1{%
\kve@checkbool{####1}{%
\usename{#3\currkey####1}%
\@namedef{#3\currkey}{####1}##1\relax
}{%
\kve@keyvalerr
}%
}%
\else
\@namedef{#1@#2@\currkey}####1{%
\@namedef{#3\currkey}{####1}##1\relax
}%
\fi
}%
\@namedef{#1@#2@initialkeyvals}{}%
\def\kve@tempc{^?}%
\def\kve@splita##1/{%
\edef\currkey{\cpttrimspaces{##1}}%
\kve@splitb.%
}%
\def\kve@splitb##1/##2/##3\kve@nil{%
\edef\currval{\expandafter\cpttrimspaces\expandafter{\@gobble##1}}%
\ifx\currval\kve@tempc
\def\currval{}%
\else
\expandafter\edef\csname#1@#2@\currkey @default\endcsname{%
\cptmakecs{#1@#2@\currkey}{\expandcsonce\currval}%
}%
\fi
\edef\kve@tempb{\unexpanded{##2}}%
\ifx\kve@tempb\kve@tempc\def\kve@tempb{}\fi
\expandafter\kve@d@f@n@keys\expandafter{\kve@tempb}%
\letcstocsn\kve@tempa{#1@#2@initialkeyvals}%
\expandafter\edef\csname#1@#2@initialkeyvals\endcsname{%
\cptliststack,\kve@tempa\currkey=%
\oifstrcmpTF\currval{true}{false}{\expandcsonce\currval}%
}%
}%
\kve@parse{#4}{\kve@splita##1/^?/^?/\kve@nil}%
\kve@setdefaults[#1]{#2}[]\cpt@relax
}
% \kve@setkeys[pref]{<fam>}[na]{<keyval>}
\robust@def*\kve@setkeys{\cpt@testopt\kve@setkeys@a{KV}}
\robust@def*\kve@setkeys@a[#1]#2{\cpt@testopt{\kve@setkeys@b{#1}{#2}}{}}
\robust@def*\kve@setkeys@b#1#2[#3]#4{%
\kve@ifblank#4\doblank\gobble@to@relax
\ifnum\kve@keydepth>4\relax
\kve@err{Maximum re-entrance limit of 4 exceeded
\MsgBrk by \string\kve@setkeys}\@ehc
\fi
\pushfunctions\kve@setkeys{\currpref,\currfam,\currkey,%
\currval,\currkeyval}\kve@keydepth
\def\currpref{#1}\def\currfam{#2}%
\edef\kve@na{\cptcommanormalize{#3}}%
\def\kve@splita##1={%
\def\currkey{##1}%
\kve@splitb.%
}%
\def\kve@splitb##1=##2\kve@nil{%
\cpt@swafalse
\kve@ifblank##2\doblank{%
\ifcsndefTF{#1@#2@\currkey @default}{%
\cpt@swatrue
}{%
\kve@err{No user value and no default value
\MsgBrk for key '\currkey'}\@ehc
}%
}%
\edef\currval{\unexpanded\expandafter{\@gobble##1}}%
\edef\currkeyval{\expandcsonce\currkey=\expandcsonce\currval}%
\xifinsetTF{,\cptoxdetok\currkey,}{,\cptoxdetok\kve@na,}
{}{\kve@setkeys@c{#1}{#2}}%
}%
\cpt@stfalse\cpt@kvnormalize[,]{#4}%
\kve@parse*\normalized@list{\kve@splita##1==\kve@nil}%
\popfunctions\kve@setkeys\kve@keydepth
\cpt@relax
}
\robust@def*\kve@setkeys@c#1#2{%
\ifcsndefTF{#1@#2@\currkey}{%
\ifcpt@swa
\begingroup
\@namedef{#1@#2@\currkey}##1{\toks@{\def\currval{##1}}}%
\csname#1@#2@\currkey @default\endcsname
\expandafter\endgroup\the\toks@
\fi
\csname#1@#2@\currkey\expandafter
\endcsname\expandafter{\currval}\relax
}{%
\kve@err{Key '\currkey' not defined}
{Key '\currpref,\currfam,\currkey' is undefined}%
}%
}
\robust@def*\kve@getkeynames#1{%
\def\kve@keynames{}%
\kve@ifblank#1\doblank\gobble@to@relax
\begingroup
\cpt@stfalse\cpt@kvnormalize[,]{#1}%
\def\kve@g@tkeynames##1=##2\kve@nil{%
\edef\kve@keynames{%
\cptliststack,\kve@keynames\cpttrimspaces{##1}%
}%
}%
\kve@parse*\normalized@list{\kve@g@tkeynames##1=\kve@nil}%
\postgroupdef\kve@keynames\endgroup\cpt@relax
}
% \kve@setdefaults[<pref>]{<fam>}[<na>]
\robust@def*\kve@setdefaults{\cpt@testopt\kve@s@tdefaults{KV}}
\newletcs\kve@setwithdefaults\kve@setdefaults
\robust@def*\kve@s@tdefaults[#1]#2{%
\cpt@testopt{\kve@s@td@faults{#1}{#2}}{}%
}
\robust@def*\kve@s@td@faults#1#2[#3]{%
\ifcsndefTF{#1@#2@initialkeyvals}{%
\cptexpanded{%
\kve@setkeys[#1]{#2}[#3]
{\expandcsnonce{#1@#2@initialkeyvals}}%
}%
}{%
\kve@err{No initial key values for family '#2'}
{No initial key-value pairs saved for '#1,#2'.}%
}%
}
% \kve@setafterdefaults[<pref>]{<fam>}[<na>]{<keyval>}
\robust@def*\kve@setafterdefaults{%
\cpt@testopt\kve@s@tafterdefaults{KV}%
}
\robust@def*\kve@s@tafterdefaults[#1]#2{%
\cpt@testopt{\kve@s@taft@rdefaults{#1}{#2}}{}%
}
\robust@def*\kve@s@taft@rdefaults#1#2[#3]#4{%
\kve@ifblank#4\doblank\gobble@to@relax
\kve@getkeynames{#4}%
\letcstocsn\kve@tempa{#1@#2@initialkeyvals}%
\ifdefTF\kve@tempa{%
\cptexpanded{%
\kve@setkeys[#1]{#2}[\kve@keynames,#3]
{\expandcsonce\kve@tempa}%
\kve@setkeys[#1]{#2}[#3]{\unexpanded{#4}}%
}%
}{%
\kve@err{No initial key values for family '#2'}
{No initial key-value pairs saved for '#1,#2'.}%
}%
\cpt@relax
}
\robust@def*\kve@keyvalerr{%
\kve@getinnoval*[10]\currval
\kve@err{Invalid value '\innoval' for key '\currkey'}
{Key '\currkey' has an inadmissible value '\innoval'.}%
}
\robust@def*\kve@getinnoval{\cpt@teststopt\kve@g@tinnoval{10}}
\robust@def*\kve@g@tinnoval[#1]#2{%
\begingroup
\def\innoval{}\@tempcnta\z@pt
\def\siso@do##1{%
\advance\@tempcnta by1
\ifnum\@tempcnta<#1\relax\edef\innoval{\innoval##1}\fi
}%
\cptexpandarg\siso@@loop
{\if@boolTF{cpt@st}\cptoxdetok\detokenize{#2}}%
\edef\innoval{\innoval\ifnum\@tempcnta>#1\string\ETC\fi}%
\postgroupdef\innoval\endgroup
}
\robust@def*\kve@checkbool#1#2#3{%
\lowercase{\xifinsetTF{,\cpttrimspaces{#1},}}
{,true,false,}{#2}{#3}%
}
\robust@def*\kve@checkchoice#1#2#3{%
\expandafter\cptswapfirstbraced\expandafter
{\romannumeral-`\q\cpttrimspaces{#1}}
{\kve@ch@ckchoice#2,\cpt@mil:\cpt@mil,\cpt@nil}{#3}%
}
\robust@def*\kve@ch@ckchoice#1:#2,#3\cpt@nil#4#5{%
\kve@ifblank#3\doblank{%
\unexpanded{#5}\gobble@to@relax
}%
\xifstrcmpTF{\cpttrimspaces{#1}}{\unexpanded{#4}}{%
\unexpanded{#2}%
}{%
\kve@ch@ckchoice#3\cpt@nil{#4}{#5}%
}%
\cpt@relax
}
\endinput