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%D \module
%D [ file=syst-cat,
%D version=2006.09.18,
%D title=\CONTEXT\ System Macros,
%D subtitle=Catcode Handling,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\unprotect
\def\newcatcodetable#1%
{\global\advance\cctdefcounter\plusone
\global\mathchardef#1\cctdefcounter
\expandafter\xdef\csname @@ccn:\number\cctdefcounter\endcsname{\string#1}% logging
\expandafter\newtoks\csname @@cct:\number\cctdefcounter\endcsname}
\mathchardef\currentcatcodetable\zerocount
\newtoks \setdefaultlowercatcodes
\newtoks \setdefaultuppercatcodes
\def\next#1% we don't have a proper loop defined yet
{\edef\nextnext{#1{\the#1\catcode\the\cctcountera\space\ifnum\catcode\cctcountera=11 11\else12\fi}}%
\nextnext\ifnum\cctcountera<\cctcounterb \advance\cctcountera\plusone \expandafter\next\expandafter#1\fi}
\cctcountera 0 \cctcounterb 127 \next\setdefaultlowercatcodes
\cctcountera 128 \cctcounterb 255 \next\setdefaultuppercatcodes
% \chardef\activehackcode=`~
% \def\next#1% we don't have a proper loop defined yet
% {\catcode\cctcountera 13
% \cctcounterc\uccode\activehackcode
% \uccode\activehackcode\cctcountera
% \catcode\uccode\activehackcode 13
% \uppercase{\edef~{\detokenize{~}}}%
% \uccode\activehackcode\cctcounterc
% \ifnum\cctcountera<\cctcounterb \advance\cctcountera\plusone \expandafter\next\expandafter#1\fi}
% \cctcountera 128 \cctcounterb 255 \next\setdefaultuppercatcodes
\recatcodeuppercharactersfalse
\def\catcodetable#1%
{\mathchardef\currentcatcodetable#1%
\the\setdefaultlowercatcodes
\ifrecatcodeuppercharacters\the\setdefaultuppercatcodes\fi
\the\csname @@cct:\number#1\endcsname}
\long\def\startcatcodetable#1#2\stopcatcodetable
{\global\csname @@cct:\number#1\endcsname{#2}}
\long\def\startextendcatcodetable#1#2\stopextendcatcodetable
{\global\csname @@cct:\number#1\endcsname\expandafter{\the\csname @@cct:\number#1\endcsname#2}}
\protect \endinput
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