%D \module
%D   [       file=catc-xml,
%D        version=2006.09.18,
%D          title=\CONTEXT\ Catcode Macros,
%D       subtitle=\XML\ Catcode Tables,
%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.

\writestatus{loading}{ConTeXt Catcode Regimes / XML}

\ifdefined \xmlcatcodesn \else \newcatcodetable \xmlcatcodesn \fi % normal
\ifdefined \xmlcatcodese \else \newcatcodetable \xmlcatcodese \fi % entitle
\ifdefined \xmlcatcodesr \else \newcatcodetable \xmlcatcodesr \fi % reduce

\startcatcodetable \xmlcatcodesn
    \catcode`\^^I = 10 % ascii tab is a blank space
    \catcode`\^^M =  5 % ascii return is end-line
    \catcode`\^^L =  5 % ascii form-feed
    \catcode`\    = 10 % ascii space is blank space
    \catcode`\^^Z =  9 % ascii eof is ignored
    \catcode`\&   = 13 % entity
    \catcode`\<   = 13 % element
    \catcode`\>   = 12
    \catcode`\"   = 12 % probably not needed any more
    \catcode`\/   = 12 % probably not needed any more
    \catcode`\'   = 12 % probably not needed any more
    \catcode`\~   = 12 % probably not needed any more
    \catcode`\#   = 12 % probably not needed any more
    \catcode`\\   = 12 % probably not needed any more
\stopcatcodetable

\startcatcodetable \xmlcatcodese
    \catcode`\^^I = 10 % ascii tab is a blank space
    \catcode`\^^M =  5 % ascii return is end-line
    \catcode`\^^L =  5 % ascii form-feed
    \catcode`\    = 10 % ascii space is blank space
    \catcode`\^^Z =  9 % ascii eof is ignored
    \catcode`\&   = 13 % entity
    \catcode`\<   = 13 % element
    \catcode`\>   = 12
    \catcode`\#   = 13
    \catcode`\$   = 13
    \catcode`\%   = 13
    \catcode`\\   = 13
    \catcode`\^   = 13
    \catcode`\_   = 13
    \catcode`\{   = 13
    \catcode`\}   = 13
    \catcode`\|   = 13
    \catcode`\~   = 13
\stopcatcodetable

\startcatcodetable \xmlcatcodesr
    \catcode`\^^I = 10 % ascii tab is a blank space
    \catcode`\^^M =  5 % ascii return is end-line
    \catcode`\^^L =  5 % ascii form-feed
    \catcode`\    = 10 % ascii space is blank space
    \catcode`\^^Z =  9 % ascii eof is ignored
    \catcode`\&   = 13 % entity
    \catcode`\<   = 13 % element
    \catcode`\>   = 12
    \catcode`\#   = 13
    \catcode`\$   = 13
    \catcode`\%   = 13
    \catcode`\\   = 13
    \catcode`\^   = 13
    \catcode`\_   = 13
    \catcode`\{   = 13
    \catcode`\}   = 13
    \catcode`\|   = 13
    \catcode`\~   = 13
\stopcatcodetable

%D Next we hook in some active character definitions.

\letcatcodecommand \xmlcatcodesn `\&   \relax
\letcatcodecommand \xmlcatcodesn `\<   \relax

\letcatcodecommand \xmlcatcodese `\&   \relax
\letcatcodecommand \xmlcatcodese `\<   \relax

\letcatcodecommand \xmlcatcodesr `\&   \relax
\letcatcodecommand \xmlcatcodesr `\<   \relax

\letcatcodecommand \xmlcatcodese `\#   \relax
\letcatcodecommand \xmlcatcodese `\$   \relax
\letcatcodecommand \xmlcatcodese `\%   \relax
\letcatcodecommand \xmlcatcodese `\\   \relax
\letcatcodecommand \xmlcatcodese `\^   \relax
\letcatcodecommand \xmlcatcodese `\_   \relax
\letcatcodecommand \xmlcatcodese `\{   \relax
\letcatcodecommand \xmlcatcodese `\}   \relax
\letcatcodecommand \xmlcatcodese `\|   \relax
\letcatcodecommand \xmlcatcodese `\~   \relax

\letcatcodecommand \xmlcatcodesr `\#   \relax
\letcatcodecommand \xmlcatcodesr `\$   \relax
\letcatcodecommand \xmlcatcodesr `\%   \relax
\letcatcodecommand \xmlcatcodesr `\\   \relax
\letcatcodecommand \xmlcatcodesr `\^   \relax
\letcatcodecommand \xmlcatcodesr `\_   \relax
\letcatcodecommand \xmlcatcodesr `\{   \relax
\letcatcodecommand \xmlcatcodesr `\}   \relax
\letcatcodecommand \xmlcatcodesr `\|   \relax
\letcatcodecommand \xmlcatcodesr `\~   \relax

\let\xmlcatcodes   \xmlcatcodesn % beware, in mkiv we use \notcatcodes

%D We register the catcodetables at the \LUA\ end where some further
%D initializations take place.

\ifnum\texengine=\luatexengine

    \ctxlua {
        characters.define(
            {   % letter catcodes
                \number\xmlcatcodesn,
                \number\xmlcatcodese,
                \number\xmlcatcodesr,
            },
            {   % activate catcodes
                \number\xmlcatcodesn,
                \number\xmlcatcodese,
                \number\xmlcatcodesr,
            }
        )
       catcodes.register("xmlcatcodes",\number\xmlcatcodes)
    }

\fi

\endinput