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catoptions.sty
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catoptions.sty
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%+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++%
% This is 'catoptions' package, version 0.2.7h, 2014/08/29. %
% %
% The catoptions package changes LaTeX package loading internals %
% so that all subsequently loaded packages can rely on having %
% normal catcodes in effect. The package also contains some useful %
% facilities unconnected with catcodes. In particular, it contains %
% options processing facilities that have the familiar and simple %
% syntax of LaTeX's legacy options parsing mechanism, but with %
% improved robustness in terms of option value default, preservation %
% of braces in option values, and parsing of expandable package %
% and class option values. Also, the package contains some API. %
% %
% The catcode facilities of the package are an extension of the %
% 'pcatcode' package by Michael J. Downes and David M. Jones. %
% %
% 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 LPPL maintenance status of this software is 'author-maintained'. %
% %
% Copyright (c) 2010-2012 Ahmed Musa ([email protected]). %
%+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++%
\begingroup
\chardef\%\catcode37\catcode37 14\relax\expandafter\iffalse\string\
\fi\let\e\endlinechar\chardef\E\e\e13\chardef\n\catcode\e\catcode\e5%
\chardef\s\catcode32 \catcode32\string=10
\chardef\=\catcode61 \catcode61\string=12
\chardef\l=\catcode123 \catcode123=1
\chardef\r=\catcode125 \catcode125=2
\chardef\[=\catcode91 \catcode91=12
\chardef\]=\catcode93 \catcode93=12
\chardef\^=\catcode94 \catcode94=7
\chardef\.=\catcode46 \catcode46=12
\chardef\/=\catcode47 \catcode47=12
\chardef\~=\catcode126 \catcode126=13
\chardef\&=\catcode38 \catcode38=4
\chardef\$=\catcode36 \catcode36=3
\chardef\_=\catcode95 \catcode95=8
\chardef\+=\catcode43 \catcode43=12
\chardef\!=\catcode33 \catcode33=12
\chardef\'=\catcode39 \catcode39=12
\chardef\(=\catcode40 \catcode40=12
\chardef\)=\catcode41 \catcode41=12
\chardef\*=\catcode42 \catcode42=12
\chardef\,=\catcode44 \catcode44=12
\chardef\-=\catcode45 \catcode45=12
\chardef\:=\catcode58 \catcode58=12
\chardef\<=\catcode60 \catcode60=12
\chardef\>=\catcode62 \catcode62=12
\chardef\`=\catcode96 \catcode96=12
\edef\x{%
\endgroup
\def\noexpand\cptrestorecatcodes{%
\endlinechar=\number\E \catcode\number\e=\number\n
\catcode32=\number\s \catcode123=\number\l
\catcode125=\number\r \catcode37=\number\%
\catcode61=\number\= \catcode91=\number\[
\catcode93=\number\] \catcode94=\number\^
\catcode46=\number\. \catcode47=\number\/
\catcode126=\number\~ \catcode38=\number\&
\catcode36=\number\$ \catcode95=\number\_
\catcode43=\number\+ \catcode33=\number\!
\catcode39=\number\' \catcode40=\number\(
\catcode41=\number\) \catcode42=\number\*
\catcode44=\number\, \catcode45=\number\-
\catcode58=\number\: \catcode60=\number\<
\catcode62=\number\> \catcode96=\number\`
}%
}
\x
\catcode37 14\relax\expandafter\iffalse\string\
\fi\endlinechar13\catcode13 5%
\catcode61\string=12
\catcode32=10
\catcode123=1
\catcode125=2
\catcode91=12
\catcode93=12
\catcode46=12
\catcode47=12
\catcode94=7
\catcode126=13
\AtEndOfPackage{%
\newletcsset{%
\csvloop=\csv@@loop,
\csvparse=\csv@@parse,
\kvloop=\kv@@loop,
\kvparse=\kv@@parse,
\kvprocess=\kv@@process,
\tsvloop=\tsv@@loop,
\tsvparse=\tsv@@parse,
\sisoloop=\siso@@loop,
\dofunclist=\cptdofunclist,
\docommalist=\cptdocommalist,
\dosisolist=\cptdosisolist,
\newvariables=\cptnewvariables,
\stripallouterbraces=\cptstripallouterbraces,
\stripouterbraces=\cptstripNouterbraces,
\stripallouterbracesincs=\cptstripallouterbracesincs,
\gobble@to@relax=\cptgobbletorelax,
\cpt@gobbletorelax=\cptgobbletorelax,
\cpt@gobbletorelax@fi@endgroup=\cptbgobbletorelax,
\ifcasse=\cptifcasse,
\docasse=\cptdocasse,
\csvnormalize=\csv@@normalize,
\kvnormalize=\kv@@normalize
}%
}
\edef\cpt@hashchar{\string#}
\begingroup
\catcode`#=13
\gdef\cpt@activehash{#}
\endgroup
\m@ne=-1 \z@=0pt \p@=1pt
\@ifdefinable\m@one{\newcount\m@one\m@one\m@ne}
\@ifdefinable\z@pt{\newdimen\z@pt\z@pt\z@}
\chardef\active=13
\NeedsTeXFormat{LaTeX2e}[2011/06/27]
\ProvidesPackage{catoptions}
[2014/08/29 v0.2.7h Securing catcodes and parsing options (AM)]
\ifcase%
\ifx\eTeXversion\cpt@undefined\z@pt\else
\ifnum\eTeXversion<\tw@\z@pt\else\@ne\fi\fi
\PackageError{catoptions}{eTeX not loaded or old version}
{This package requires eTeX version 2 or higher.}%
\expandafter\endinput
\fi
\protected\def\cptloggingall{%
\tracinggroups\@ne\tracingifs\@ne\tracingall\tracingassigns\@ne
}
\let\cpttracingall\cptloggingall
% \ifcsdefinable, \cpt@starorlong, \cpt@testopt, \cptcommanormalize, etc,
% change later on:
\@ifdefinable\ifcsdefinable{\let\ifcsdefinable\@ifdefinable}
\@ifdefinable\cptnewlet\relax
% Don't put '=' after \let#1, in case the caller uses '=':
\protected\def\cptnewlet#1{\ifcsdefinable#1\relax\let#1}
\cptnewlet\cpt@nil\relax
\newcommand*\cpt@nnil{\cpt@nil}
\let\@iden\@firstofone
\def\cptiofii#1#2{#1}
\def\cptiiofii#1#2{#2}
\@ifdefinable\ifforbreak{\newif\ifforbreak}
\cptnewlet\cpt@starorlong\@star@or@long
\cptnewlet\cpt@testopt\@testopt
\cptnewlet\cptcommanormalize\unexpanded
\protected\def\ifnotnilTF#1#2{%
\begingroup
\edef\reserved@a{\cpttrimspace{#1}}%
\def\reserved@b{#2}%
\expandafter\endgroup
\ifx\reserved@a\reserved@b\expandafter\@gobble
\else\expandafter\@iden\fi
}
\newcommand*\defifxTF[2]{%
\begingroup
\edef\reserved@a{\cpttrimspace{#1}}%
\expandafter\endgroup\ifx#2\reserved@a
\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi
}
\newcommand*\cpt@for@nil{\cpt@for@nil}
% Simple, 1-dimensional comma loop. \forbreak can be used to break
% out of the loop. \do may appear in #1; so we can't use \do as the delimiter:
\protected\def\cptfor#1\dofor#2{%
\def\cpt@fordo##1,{\cpt@for@a,\cpt@fordo{##1}{#2}}%
\edef\reserved@a{\cptcommanormalize{#1}}%
\forbreakfalse
\expandafter\cpt@fordo\reserved@a,\cpt@for@nil,%
}
% Simple, 1-dimensional tsv loop:
\protected\def\cpttfor#1\dofor#2{%
\def\cpt@tfordo##1{\cpt@for@a{}\cpt@tfordo{##1}{#2}}%
\forbreakfalse\cpt@tfordo#1\cpt@for@nil
}
\protected\def\cpt@for@a#1#2#3#4{%
\edef\reserved@a{\unexpanded{#3}}%
\ifx\reserved@a\cpt@for@nil\expandafter\@gobble\else
\expandafter\@iden\fi{%
\ifforbreak\expandafter\cptiofii\else\expandafter\cptiiofii\fi
{\def\reserved@a##1\cpt@for@nil#1{}\reserved@a}{#4#2}%
}%
}
% \foreachmeer{<list>}<processor>
% Expandable comma loop. The \noexpand before #1 is required when #1
% begins with a command. <processor> must be pre-defined by the user:
\newcommand*\foreachmeer[2]{%
\expandafter\cpt@foreachmeer@a\romannumeral
-`\q\cptcommanormalize{\noexpand#1},\cpt@nnil,\meer@nil{#2}%
}
\def\cpt@foreachmeer@a#1,#2\meer@nil#3{%
\expandafter\ifx\cpt@car#1\car@nil\cpt@nnil
\expandafter\cptiofii\else\expandafter\cptiiofii\fi
{}{#3{#1}\cpt@foreachmeer@a#2\meer@nil{#3}}%
}
% Unique \chardef'd token:
\ifcsdefinable\cptchardef{%
\protected\def\cptchardef#1#2 {%
\ifcsdefinable#1{%
\def\reserved@a##1=##2\@nil{##2 }%
\chardef#1\reserved@a=#2\@nil
}%
}%
}
\newcommand\cptswap[2]{#2#1}
\newcommand\cptswapbracefirst[2]{#2{#1}}
\newcommand\cptswapbracesecond[2]{{#2}#1}
\newcommand\cptswapbraceboth[2]{{#2}{#1}}
\cptswap{ }{\let\cptsptoken= }
\def\@space{ }
\@namedef{cptgobblespace} {}
\@ifdefinable\@gobblespace{\let\@gobblespace\cptgobblespace}
% \cptnewbools[<pref>]{a,b}
\newcommand*\cptnewbools[2][]{%
\cptfor#2\dofor{%
\expandafter\ifcsdefinable\csname if#1##1\endcsname
{\expandafter\newif\csname if#1##1\endcsname}%
}%
}
\cptnewbools[cpt@]{st,pl,pm,cl,verbose}
% \cptnewcounts[<pref>]{a,b}
\newcommand*\cptnewcounts[2][]{%
\cptfor#2\dofor{%
\expandafter\ifcsdefinable\csname#1##1\endcsname
{\expandafter\newcount\csname#1##1\endcsname}%
}%
}
% \cptnewcounters[<pref>]{a,b}[<master>]
\newcommand*\cptnewcounters{\cpt@testopt\cpt@newcounters{}}
\def\cpt@newcounters[#1]#2{%
\cpt@testopt{\cpt@newc@unters{#1}{#2}}{}%
}
\def\cpt@newc@unters#1#2[#3]{%
\cptfor#2\dofor{%
\ifcat&\detokenize{#3}&\relax
\newcounter{#1##1}%
\else
\newcounter{#1##1}[#3]%
\fi
}%
}
\newcommand*\cptnewdimens[2][]{%
\cptfor#2\dofor{%
\expandafter\ifcsdefinable\csname#1##1\endcsname
{\expandafter\newdimen\csname#1##1\endcsname}%
}%
}
\newcommand*\cpt@quark{\@gobble\cpt@quark}
\newcommand\ifxTF[2]{%
\ifblankTF{#1}{%
\ifblankTF{#2}\cptiofii\cptiiofii
}{%
\ifblankTF{#2}\cptiiofii{%
\expandafter\ifblankTF\expandafter{\@gobble#1}{%
\expandafter\ifblankTF\expandafter{\@gobble#2}{%
\ifx#1#2\expandafter\cptiofii\else\expandafter\cptiiofii\fi
}{%
\cpt@notonetokenerr{#2}%
}%
}{%
\cpt@notonetokenerr{#1}%
}%
}%
}%
}
\newcommand\ifxFT[2]{\ifxTF{#1}{#2}\cptiiofii\cptiofii}
\def\cpt@ifcseq@#1#2\cpt@ifcseq@nil{\expandafter#1}
\newcommand\ifcseqTF[2]{%
\csname @\expandafter\expandafter\expandafter
\ifx\cpt@ifcseq@#1\batchmode\cpt@ifcseq@nil\cpt@car#2\noboundary\car@nil
first\else second\fi oftwo\endcsname
}
\newcommand\ifcseqFT[2]{\ifcseqTF{#1}{#2}\cptiiofii\cptiofii}
\newcommand*\ifxcseqTF[2]{%
\ifcseqTF{#1}{#2}{%
\cptiofii
}{%
\expandafter\cptswapbracefirst\expandafter{#1}%
{\expandafter\ifstrcmpTF\expandafter{#2}}%
\cptiofii\cptiiofii
}%
}
\newcommand\ifnullTF[1]{%
\ifcat$\detokenize{#1}$\expandafter\@firstoftwo
\else\expandafter\@secondoftwo\fi
}
\newcommand\ifnullFT[1]{\ifnullTF{#1}\cptiiofii\cptiofii}
\newcommand\ifblankTF[1]{%
\expandafter\ifnullTF\expandafter{\@gobble#1.}%
}
\newcommand\ifblankFT[1]{\ifblankTF{#1}\cptiiofii\cptiofii}
\let\then\iffalse
\let\dolacus\iffalse
\@ifdefinable\iflacus\relax
\long\def\iflacus#1\dolacus{%
\ifcat$\detokenize\expandafter{\@gobble#1.}$%
}
\newcommand\ifbracedTF[3]{%
\romannumeral\expandafter\@secondoftwo\expandafter{\expandafter
{\string#1.}\expandafter\cptiofii\expandafter{\iffalse}\fi
0 #2}{0 #3}%
}
\newcommand\ifbracedFT[1]{\ifbracedTF{#1}\cptiiofii\cptiofii}
\newcommand\ifleadspaceTF[3]{%
\romannumeral\csname
@\ifnullTF{#1}{second}{\iffalse{\fi\cpt@ifleadspace.#1 }}%
oftwo\endcsname{0 #2}{0 #3}%
}
\long\def\cpt@ifleadspace#1 {%
\expandafter\ifnullTF\expandafter{\@gobble#1}{first}{second}%
\expandafter\@gobble\expandafter{\iffalse}\fi
}
\newcommand\iftrailspaceTF[1]{%
\romannumeral-`\q
\csname @\expandafter\@firstofone\expandafter{%
\romannumeral\expandafter
\cpt@iftrailspace\expandafter{\cpt@removetospace.#1 }%
}%
}
\newcommand\cpt@iftrailspace[1]{%
\ifnullTF{#1}{%
\expandafter\cptiiofii\cptiofii
}{%
\ifleadspaceTF{#1}{%
\expandafter\ifnullTF\expandafter{\@gobblespace#1}{%
\expandafter\@firstoftwo\@firstoftwo
}{%
\@secondoftwo
}%
}{%
\@secondoftwo
}%
}{%
{0 first}{0 second}oftwo\endcsname
}{%
\expandafter\cpt@iftrailspace\expandafter{\cpt@removetospace.#1}%
}%
}
\ifxTF\pdfstrcmp\cpt@undefined{%
\RequirePackage{pdftexcmds}%
\ifxTF\pdf@strcmp\cpt@undefined{%
\cpt@err{Neither \string\pdfstrcmp nor \string\pdf@strcmp exists}\@ehc
}{%
\let\cpt@pdfstrcmp\pdf@strcmp
}%
}{%
\let\cpt@pdfstrcmp\pdfstrcmp
}
\long\def\cptifstreq#1#2\then{%
\ifnum\cpt@pdfstrcmp{\detokenize{#1}}{\detokenize{#2}}=\z@pt
}
\newcommand\ifstrcmpTF[2]{%
\usename{@\ifnum\cpt@pdfstrcmp{\detokenize{#1}}%
{\detokenize{#2}}=0first\else second\fi oftwo}%
}
\newcommand\ifstrcmpFT[2]{\ifstrcmpTF{#1}{#2}\cptiiofii\cptiofii}
\newcommand*\cpt@def@[3]{%
\ifcsdefinable#3\relax
\ifcat$\detokenize{#2}$\else\protected\fi
\l@ngrel@x\csname#1def\endcsname#3%
}
\ifcsdefinable\robust@def{%
\protected\def\robust@def{\cpt@starorlong{\cpt@def@{}{p}}}%
}
\robust@def*\new@def{\cpt@starorlong{\cpt@def@{}{}}}
\robust@def*\new@gdef{\cpt@starorlong{\cpt@def@{g}{}}}
\robust@def*\robust@gdef{\cpt@starorlong{\cpt@def@{g}{p}}}
\robust@def*\new@edef{\cpt@starorlong{\cpt@def@{e}{}}}
\robust@def*\robust@edef{\cpt@starorlong{\cpt@def@{e}{p}}}
\robust@def*\new@xdef{\cpt@starorlong{\cpt@def@{x}{}}}
\robust@def*\robust@xdef{\cpt@starorlong{\cpt@def@{x}{p}}}
\robust@def*\renew@def{\cpt@starorlong{\cpt@redef@{}}}
\robust@def*\robust@redef{\cpt@starorlong{\cpt@redef@{p}}}
\robust@def*\cpt@redef@#1#2{%
\@ifundefined{\expandafter\@gobble\string#2}{}{%
\ifcpt@verbose
\@latex@info{Command '\string#2' redefined}%
\fi
}%
\ifcat$\detokenize{#1}$\else\protected\fi
\l@ngrel@x\def#2%
}
\new@def*\cpt@checkoptprefix{\@iden}
\robust@def*\provide@def{%
\cpt@testst{\cpt@testcl{\cpt@providedef\relax}}%
}
\robust@def*\providerobust@def{%
\cpt@testst{\cpt@testcl{\cpt@providedef\protected}}%
}
\robust@def*\cpt@providedef#1#2{%
\ifescapedTF{#2}{}{\cpt@notescapederr{#2}}%
\ifdefTF#2{%
\ifcpt@verbose
\cpt@info{Command '\string#2' already defined:
\MsgBrk not redefined}%
\fi
\def\reserved@a{\undefcs\reserved@b}%
}{%
\def\reserved@a{%
\ifcpt@cl\global\fi\let#2\reserved@b
\undefcs\reserved@b
}%
}%
\afterassignment\reserved@a
\ifcpt@st\else\long\fi
#1\def\reserved@b
}
\new@def*\MsgBrk{\MessageBreak}
\new@def*\commentBegin{%
\begingroup
\catcode`\{=12
\catcode`\}=12
\catcode`\#=12
\cpt@commentblock
}
\new@def\cpt@commentblock#1\commentEnd{\endgroup}
\robust@def*\cptnormalcatcodes{%
\endlinechar13
\catcode33=12\catcode34=12\catcode35=6\catcode36=3\catcode37=14
\catcode38=4\catcode39=12\catcode40=12\catcode41=12\catcode42=12
\catcode43=12\catcode44=12\catcode45=12\catcode46=12\catcode47=12
\catcode58=12\catcode59=12\catcode60=12\catcode61=12\catcode62=12
\catcode63=12\catcode91=12\catcode92=0\catcode93=12\catcode94=7
\catcode95=8\catcode96=12\catcode123=1\catcode124=12\catcode125=2
\catcode126=13\catcode32=10\catcode13=5\catcode9=10\catcode10=12
}
\begingroup
\let\s\string
\escapechar\m@one
\new@xdef*\cpt@oth@rchars{%
\s\!\s\"\s\$\s\&\s\'\s\(\s\)\s\*\s+\s\,\s\-\s\.\s\/\s\:%
\s\;\s\<\s\=\s\>\s\?\s\[\s\]\s\^\s\_\s\`\s\|\s\~%
%% left out: \s\\\s\%\s\{\s\}\s\#
}
\new@xdef*\cpt@otherchars{%
\cpt@oth@rchars\s\\\s\%\s\{\s\}\s\#%
}
\endgroup
\new@def*\cpt@spcatcodestack{}
\robust@def*\cpt@sppushcatcodes{%
\edef\cpt@spcatcodestack{%
\catcode\number`\ =\the\catcode`\ %
\catcode\number`\^^I=\the\catcode`\^^I
\catcode\number\endlinechar=\the\catcode`\
\endlinechar=\the\endlinechar
{\cpt@spcatcodestack}%
}%
}
\robust@def*\BeginOverlookWhiteSpace{%
\cptpushnumber\cpt@overlooknr
\ifnum\cpt@overlooknr>\@ne
\cpt@err{There is an unclosed
\string\BeginOverlookWhiteSpace}\@ehc
\fi
\cpt@sppushcatcodes
\catcode`\ =9\relax
\catcode`\^^I=9\relax
\endlinechar\m@one
}
\robust@def*\EndOverlookWhiteSpace{%
\def\reserved@a##1##{##1\xdef\cpt@spcatcodestack}%
\expandafter\reserved@a\cpt@spcatcodestack
\undefcs\cpt@overlooknr
}
\robust@def*\BeginOverlookEndline{%
\cptpushnumber\cpt@overlookendlinenr
\ifnum\cpt@overlookendlinenr>\@ne
\cpt@err{There is an unclosed
\string\BeginOverlookEndline}\@ehc
\fi
\cptchardef\cpt@savendlinechar=\number\endlinechar
\endlinechar\m@one
}
\robust@def*\EndOverlookEndline{%
\endlinechar\cpt@savendlinechar
\undefcs\cpt@overlookendlinenr
}
\new@def*\cpt@catcodestack{}
\robust@def*\cptpushcatcodes{%
\begingroup
\def\x##1{%
\ifx##1\@nnil\else
\catcode\number`##1=\the\catcode`##1\relax
\expandafter\x
\fi
}%
\xdef\cpt@catcodestack{%
\expandafter\x\cpt@otherchars\ \
\^^I\^^J\@nnil{\cpt@catcodestack}%
}%
\endgroup
}
\cptpushcatcodes
\cptnormalcatcodes
\robust@def*\cptpopcatcodes{%
\begingroup
\def\x##1##{\endgroup##1\xdef\cpt@catcodestack}%
\expandafter\x\cpt@catcodestack
}
\@ifdefinable\currentcatcodesubset\relax
\robust@def*\GetCurrentCatcodeSubset{%
\begingroup
\def\x##1{%
\ifx##1\@nnil\else
\@space(\string##1\@firstofone{:\number\catcode`##1})%
\expandafter\x
\fi
}%
\edef\x{%
\def\noexpand\currentcatcodesubset{%
\x\^^I\^^J\^^L\^^M\ \!\"\#\$\%\&%
\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\@\[\\\]\^\_\`\{\}\|\~\@nnil
}%
}%
\expandafter\endgroup\x
}
\new@def*\cpt@lq{`}
\robust@def*\cpt@setupsafeactivesedef{%
\let\cpt@setupsafeactivesedef\relax
\begingroup
\cpttfor!"$&'()*+,-./:;<=>?[]^_`|~\dofor{%
\catcode\cpt@lq##1\string=\active
}%
\everyeof{\noexpand}%
\xdef\cpt@safeactives{\unexpanded\expandafter{\cpt@activehash}%
\scantokens{\unexpanded{!"$&'()*+,-./:;<=>?[]^_`|~}}}%
\gdef\cptsafeactivesedef##1##2{%
\begingroup
\expandafter\cpttfor\cpt@safeactives\dofor{%
\ifnum\catcode\cpt@lq####1\string=\active
\edef####1{\string####1}%
\fi
}%
\cptexpandsecond\endgroup
{\edef\noexpand##1{\noexpand\unexpanded{##2}}}%
}%
\endgroup
}
\newcommand*\neededfutureletchars{}
\newcommand*\declarefutureletset[2][fl@]{%
\xdef\cpt@fletprefix{\cpttrimspaces{#1}}%
\cptexpandargonce{\cptfiltermergecsv[,]\cpt@fletprefixes}
\cpt@fletprefix\nofilter
\ifblankTF{#2}{%
\def\neededfutureletchars{}%
}{%
\def\neededfutureletchars{#2}%
\cpt@sttrue\cpt@csvnormalize[,]\neededfutureletchars
\oifstrcmpFT\neededfutureletchars{all}{}{%
\def\neededfutureletchars{}%
\def\cpt@tempa##1\@##2\@{%
\ifx##1\end\else
\cptguaddtolist\neededfutureletchars{##1}%
\expandafter\cpt@tempa
\fi
}%
\expandafter\cpt@tempa\cpt@futureletchars\end\@\@
}%
}%
\globalize\neededfutureletchars
\globalize\cpt@fletprefixes
}
\begingroup
\cptrestorecatcodes
\begingroup
\catcode`\3="3 \catcode`\4="4 \catcode`\7="7 \catcode`\8="8
\catcode`\A="A \catcode`\B="B \catcode`\C="C \catcode`\D="D
\robust@gdef*\cpt@flet@a#1#2{%
\begingroup
\edef\cpt@tempa{\noexpandcsn{\cpt@fletprefix#1}}%
\edef\cpt@tempb{\noexpandcsn{if\cpt@fletprefix#1}}%
\oifinset@sp@TF,\cpt@tempa\cptfutureletmacros{}{%
\xdef\cptfutureletmacros{%
\ifcsnullTF\cptfutureletmacros{}%
{\expandcsonce\cptfutureletmacros,}%
\expandcsonce\cpt@tempa,\expandcsonce\cpt@tempb
}%
}%
\def\siso@do##1{\lccode`##1=`#2}%
\siso@@loop{034678BCD}%
\ifnum\catcode`#2=\active
\def\do##1{\noexpand\do\noexpand##1\noexpand}%
\lowercase{%
\xdef\cpt@activecharacters{%
\cpt@activecharacters
\do#2D%
}%
}%
\fi
\xdef\cpt@tempa{%
\let\noexpand\cpt@tempa\noexpand\cpt@undefined
\gletcs\expandcsonce\cpt@tempa= %
}%
\aftergroup\cpt@tempa
\lowercase{%
\expandafter\endgroup
\ifcase\numexpr\catcode`#2\relax
0\or \bgroup\or \egroup\or 3\or 4\or 5\or 6\or 7\or
8\or 9\or \@sptoken\or B\or C\else D\fi
}%
}
\endgroup
\robust@gdef*\cpt@futureletchars{%
space\@\ \@ exclam\@\!\@ dblquote\@\"\@ hash\@\#\@ dollar\@\$\@
ampersand\@\&\@ rquote\@\'\@ lparen\@\(\@ rparen\@\)\@ star\@\*\@
plus\@\+\@ comma\@\,\@ hyphen\@\-\@ period\@\.\@ slash\@\/\@
colon\@\:\@ semicolon\@\;\@ less\@\<\@ equal\@\=\@ greater\@\>\@
question\@\?\@ lbracket\@\[\@ rbracket\@\]\@ hat\@\^\@
underscore\@\_\@ lquote\@\`\@ lbrace\@\{\@ vert\@\|\@ rbrace\@\}\@
tilde\@\~\@ bslash\@\\\@
}
\robust@gdef*\cptfutureletsetup{%
\gdef\cpt@activecharacters{}%
\gdef\cptfutureletmacros{}%
\def\cpt@flet@b##1\@##2\@{%
\expandafter\ifxTF\cpt@car##1\car@nil\end{}{%
\oifinset@sp@FT,{##1}\neededfutureletchars{}{%
\cpt@flet@a{##1}{##2}%
}%
\cpt@flet@b
}%
}%
\def\csv@do##1{%
\gundefcsn{##1\curropt}%
\gundefcsn{if##1\curropt}%
}%
\def\cpt@fletundef##1\@##2\@{%
\ifxTF##1\end{}{%
\def\curropt{##1}%
\csv@@parse*[,]\cpt@fletprefixes
\cpt@fletundef
}%
}%
\def\cpt@fletdef##1\@##2\@{%
\expandafter\ifxTF\cpt@car##1\car@nil\end{}{%
\oifinset@sp@FT,{##1}\neededfutureletchars{}{%
\csn@xdef{if\cpt@fletprefix##1}####1{%
\noexpand\usename{@\noexpand\ifx
\noexpandcsn{\cpt@fletprefix##1}%
####1\unexpanded{\@empty first\else second\fi oftwo}%
}%
}%
}%
\cpt@fletdef
}%
}%
\expandafter\cpt@fletundef\cpt@futureletchars\end\@\@
\expandafter\cpt@fletdef\cpt@futureletchars\end\@\@
\expandafter\cpt@flet@b\cpt@futureletchars\end\@\@
}
% We can't use \AtBeginDocument here in place of \BeforeStartOfDocument.
% See <http://tex.stackexchange.com/questions/146391/catoptions
% -destroys-french-active-characters-and>.
\AtEndOfPackage{\BeforeStartOfDocument{\cptrestorecatcodes}}
\robust@gdef*\futureletresetactives{%
\begingroup
\defpass\cpt@tempa##1{\endgroup
\def\do####1####2{\let####1=##1####2}%
}{ }%
\cpt@activecharacters
\let\do\relax
}
\endgroup
\robust@def*\UseNormalCatcodes{%
\ifdocstartedTF{%
\cpt@err
{\noexpand\UseNormalCatcodes is a preamble command}
{Preamble command in document body.}%
}{}%
\RecoverAtRequirePackage\UseNormalCatcodes
\let\UseNormalCatcodes\relax
\cptpushcatcodes
\cptnormalcatcodes
\ifcseqTF\@currname\@empty{%
\BeforeStartOfDocument{\cptpopcatcodes}%
}{%
\AfterEndOfStyleFile{\cptpopcatcodes}%
}%
}
\new@def*\cptgetcatcode#1{%
\number
\ifcat\noexpand#1\bgroup1\else
\ifcat\noexpand#1\egroup2\else
\ifcat\noexpand#1$3\else %$
\ifcat\noexpand#1&4\else
\ifcat\noexpand#1##6\else
\ifcat\noexpand#1^7\else
\ifcat\noexpand#1_8\else
\ifcat\noexpand#1\@sptoken10\else
\ifcat\noexpand#1a11\else
\ifcat\noexpand#1!12\else
\ifcat\noexpand#1\noexpand~13\else
-1\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi
}
\robust@def\cpt@ifnextchar#1#2#3{%
\begingroup
\let\reserved@a=#1%
\toks@{\endgroup#2}%
\toks1{\endgroup#3}%
\global\futurelet\@let@token\cpt@ifnext
}
\robust@def*\cpt@ifnext{%
\ifx\@let@token\@sptoken
\toks2{\cpt@ifn@xt}%
\else
\ifx\@let@token\reserved@a
\toks2\expandafter{\the\toks@}%
\else
\toks2\expandafter{\the\toks1}%
\fi
\fi
\the\toks2
}
\@namedef{cpt@ifn@xt} {\global\futurelet\@let@token\cpt@ifnext}
\newcommand\ifnextcharTF[3]{%
\begingroup
\cpt@ifnextchar\relax
{\cpt@ifnextcharacter{#1}{#2}{#3}}%
{\cpt@ifnextcharacter{#1}{#2}{#3}}%
}
\new@def\cpt@ifnextcharacter#1#2#3{%
\ifcase
\ifcat\noexpand\@let@token\bgroup 1\fi
\ifcat\noexpand\@let@token\egroup 1\fi
0\let\next\cpt@ifn@xtcharacter
\else
\def\next{\endgroup\cpt@ifnextchar}%
\fi
\next{#1}{#2}{#3}%
}
\new@def\cpt@ifn@xtcharacter#1#2#3#4{%
\escapechar92\relax
\edef\x{\cpt@ifn@xtch@racter{#1}\cpt@ifn@xtch@racter{#4}}%
\expandafter\endgroup\csname @\expandafter
\ifx\x first\else second\fi oftwo\endcsname
{#2}{#3}#4%
}
% Must be expandable:
\new@def\cpt@ifn@xtch@racter#1{%
\expandafter\cpt@ifn@xtch@r@cter\string#1\relax\noboundary{#1}%
}
\new@def\cpt@ifn@xtch@r@cter#1#2\noboundary#3{%
\ifx\relax#2#1\else\noexpand#3\fi
}
\robust@redef\cpt@ifstar#1{\ifnextcharTF*{\@firstoftwo{#1}}}
\robust@redef*\cpt@starorlong#1{%
\cpt@ifstar{\let\l@ngrel@x\relax#1}{\let\l@ngrel@x\long#1}%
}
\new@def*\ifsecondisnnilTF#1{%
\expandafter\expandafter\expandafter\cpt@ifsecondisnnil
\expandafter\string\noexpand#1\cpt@nnil\cpt@nil
}
\new@def*\cpt@ifsecondisnnil#1#2\cpt@nil{%
\expandafter\ifcseqTF\cpt@car#2\car@nil\cpt@nnil
}
\new@def\aftercsname#1#2{%
\expandafter\cptswap\expandafter{\csname#2\endcsname}{#1}%
}
\new@def\xaftercsname#1#2{%
\expandafter\expandafter\expandafter
\cptswap\expandafter\expandafter
\expandafter{\csname#2\endcsname}{#1}%
}
\new@def\xaftercsnamebrace#1#2{%
\expandafter\expandafter\expandafter
\cptswapbracefirst\expandafter
\expandafter\expandafter{\csname#2\endcsname}{#1}%
}
%% For internal use; #1 must be one token:
\new@def*\simpleexpandarg#1#2{\expandafter#1\expandafter{#2}}
\cptnewlet\s@expandarg\simpleexpandarg
%%--
\new@def*\cptexpandnext#1#2{%
\expandafter\cptswap\expandafter{#2}{#1}%
}
\new@def*\cptbexpandnext#1#2{%
\expandafter\expandafter\expandafter\cptswap
\expandafter\expandafter\expandafter{#2}{#1}%
}
\new@def*\cptexpandbracenext#1#2{%
\expandafter\cptswapbracefirst\expandafter{#2}{#1}%
}
\cptnewlet\cptexpandbrnext\cptexpandbracenext
\new@def*\cptexpandsome#1\expandthis#2#3\expandstop{%
\cptexpandnext{#1}{#2}#3%
}
\new@def*\cptexpandbracesome#1\expandthis#2#3\expandstop{%
\cptexpandbracenext{#1}{#2}#3%
}
\new@def\cptremovescape#1{%
\ifblankTF{#1}{}{\expandafter\@gobble\string#1}%
}
\new@def\cptgobblescape#1{%
\ifblankTF{#1}{}{%
\ifnum\escapechar>\@cclv\else
\ifnum\escapechar<\z@pt\else
\expandafter\expandafter
\csname @gobble\ifnum\escapechar=\@xxxii @space\fi
\cptthreexp\endcsname
\fi
\fi
\string#1%
}%
}
\robust@def*\defpass#1#2#{\afterassignment#1\long\def#1#2}
\robust@def*\edefpass#1#2#{\afterassignment#1\long\edef#1#2}
\new@def\uselivecs#1{%
\ifdefTF{#1}{#1}{\cpt@notdeferr{#1}}%
}
\new@def*\usecsifdef#1{\ifdefTF#1{#1}{}}
\new@def*\expandonceifmacroelsenil#1{%
\ifmacroTF{#1}{%
\ifexpandableTF{#1}{%
\expandcsonce{#1}%
}{%
\unexpanded{#1}%
}%
}{}%
}
\new@def\usename#1{\csname#1\endcsname}% long!
\new@def\usecsn#1{%
\ifcsname#1\endcsname\expandafter\@iden\else
\expandafter\@gobble\fi{\usename{#1}}%
}
% \usecsnifdef is stronger than \usecsn:
\new@def*\usecsnifdef#1{\ifcsndefTF{#1}{\usename{#1}}{}}
\new@def\uselivecsn#1{%
\ifcsndefTF{#1}{%
\usename{#1}%
}{%
\cpt@err{Command '\@backslashchar#1' undefined}\@ehc
}%
}
\new@def\ifcondTF#1\fi{\csname @#1first\else second\fi oftwo\endcsname}
\new@def\ifcondFT#1\fi{\ifcondTF#1\fi}
\new@def*\ifcsnameTF#1{%
\ifblankTF{#1}\@secondoftwo{%
\usename{@\ifcsname#1\endcsname first\else second\fi oftwo}%
}%
}
\new@def*\ifcsnameFT#1{\ifcsnameTF{#1}\cptiiofii\cptiofii}
\new@def*\ifnamedefTF#1{%
\ifcsnameTF{#1}{%
\usename{@\expandafter\ifx\csname#1\endcsname\relax
second\else first\fi oftwo}%
}{%
\@secondoftwo
}%
}
\robust@def*\cpt@notdefinable{%
\@latex@error
{Command '\@backslashchar\undefinablecs' already exists}%
{Command '\@backslashchar\undefinablecs' already defined,
\MsgBrk or name '\@backslashchar\@qend\undefinablecs' illegal.}
}
\robust@def*\ifchoicefoundTF\endgroup{%
\expandafter\endgroup\ifcpt@choicefd
\expandafter\@firstoftwo
\else
\expandafter\@secondoftwo
\fi
}
\robust@def*\cpt@oneoftwo#1\endgroup{%
\let\@firstoftwo\relax
\let\@secondoftwo\relax
\cptpassexpanded{%
\endgroup
\ifcase#1\relax
\ifdefboolTF{cpt@choicefd}\cptiofii\cptiiofii
\or
\ifdefboolTF{cpt@choicefd}\cptiiofii\cptiofii
\else
\cpt@err{Invalid number '#1'}\noexpand\@ehc
\fi
}%
}
\robust@def*\cpt@ifseeparameter#1#{%
\xifinsetTF
{\detokenize{macro parameter character}}
{\meaning\@let@token}%
}
% \cptcommanormalize is cheap but is restricted to comma lists only.
% Also, it isn't meant for parsing keyval lists. See \kv@@normalize
% and \kv@@parse:
\begingroup
\uccode`\~=`\,%
\uppercase{\endgroup
\def\cptcommanormalize#1{%
\unexpanded\expandafter{\romannumeral-`\q
\cpt@activecomma,#1,~\cpt@nil}%
}%
\def\cpt@activecomma#1~#2\cpt@nil{%
\ifblankTF{#2}
{\cpt@spacecomma#1 ,\cpt@nil}{\cpt@activecomma#1,#2\cpt@nil}%
}%
}
\def\cpt@spacecomma#1 ,#2\cpt@nil{%
\ifblankTF{#2}
{\cpt@commaspace#1, \cpt@nil}{\cpt@spacecomma#1,#2\cpt@nil}%
}
\def\cpt@commaspace#1, #2\cpt@nil{%
\ifblankTF{#2}
{\cpt@doublecomma#1,,\cpt@nil}{\cpt@commaspace#1,#2\cpt@nil}%
}
\def\cpt@doublecomma#1,,#2\cpt@nil{%
\ifblankTF{#2}
{\ifblankTF{#1}{}{\expandafter\noexpand\@gobble#1}}
{\cpt@doublecomma#1,#2\cpt@nil}%
}
\cptnewcounts{cpt@csvdepth}
\cptnewbools{loopbreak}
\ifcsdefinable\loopbreak{\let\loopbreak\loopbreaktrue}
\robust@def*\cpt@notdeferr#1{%
\@latex@error{Command '\detokenize{#1}' isn't defined}
{I expected '\detokenize{#1}' to be defined.}%
}
\robust@def*\cpt@isdeferr#1{%
\@latex@error{Command '\detokenize{#1}' is already defined}
{I expected '\detokenize{#1}' to be undefined.}%
}
\robust@def*\cpt@notcserr#1{%
\@latex@error{Token '\detokenize{#1}' not a macro
\MsgBrk or is currently undefined}
{I expected '\detokenize{#1}' to be defined.}%
}
\robust@def*\cpt@iscserr#1{%
\@latex@error{Token '\detokenize{#1}' is a macro:
\MsgBrk not currently undefined}
{I didn't expect '\detokenize{#1}' to be defined.}%
}
\robust@def*\cpt@notescapederr#1{%
\@latex@error{Token '\detokenize{#1}' not escaped
\MsgBrk or is an active character}{I expected
the first token of\MsgBrk'\detokenize{#1}' to be
escape character.}%
}
\robust@def*\cpt@isescapederr#1{%
\@latex@error{Token '\detokenize{#1}' is escaped}{%
I didn't expect the first character of '\detokenize{#1}'
\MsgBrk to be the escape character.}%
}
\robust@def*\cpt@notbracederr#1{%
\@latex@error{Token '\detokenize{#1}' isn't braced}
{I expected '\detokenize{#1}' to be braced.}%
}
\robust@def*\cpt@isbracederr#1{%
\@latex@error{Token '\detokenize{#1}' is braced}
{I didn't expect '\detokenize{#1}' to be braced.}%
}
\robust@def*\cpt@notonetokenerr#1{%
\@latex@error{'\detokenize{#1}' is not one token}
{I expected '\detokenize{#1}' to be one token.}%
}
\robust@def*\cpt@isonetokenerr#1{%
\@latex@error{'\detokenize{#1}' is one token}
{I didn't expect '\detokenize{#1}' to be one token.}%
}
\robust@def*\cpt@notblankerr#1{%
\@latex@error{'\detokenize{#1}' is not blank or empty}
{I expected '\detokenize{#1}' to be blank.}%
}
\robust@def*\cpt@isblankerr#1{%
\@latex@error
{Blank/empty token for command '\detokenize{#1}'}
{I didn't expect a blank argument/token here.}%
}
\robust@def*\cpt@notexpandableerr#1{%
\@latex@error{'\detokenize{#1}' is not expandable
\MsgBrk or is undefined}
{I expected '\detokenize{#1}' to be expandable.}%
}
\robust@def*\cpt@toodeep#1#2{%
\@latex@error{Command '\detokenize{#1}' nested too deeply}
{Command '\detokenize{#1}' nested beyond level '#2'.}%
}
\begingroup
\catcode`\&=7
\robust@gdef*\cpt@getmacroprefix#1{%
\begingroup
\edef\cpt@tempa##1{\def##1####1\detokenize{macro}:####2&}%
\cpt@tempa\@ifmacro{%
\def\macroprefix{##1}%
\usename{@\ifblankTF{##2}{second}{first}oftwo}%
}%
\edef\cpt@tempb##1{##1\detokenize{macro}:&}%
\cpt@tempb{\expandafter\@ifmacro\meaning#1}{%
\@testtrue