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%%%%%%%%%%%%%%%%%%%%%%%%%%% utfarab.sty %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% utfarab.sty
% scanner module for the Arabic segment of UTF-8
% supposes Arabic mode
% loaded and called by utf8.sty
% 23.07.1998
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% (c) Klaus Lagally
% Institut fuer Informatik
% Universitaet Stuttgart
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\catcode`\@ = 11
\a@ident {utfarab.sty} {0.02 Arabic segment of UTF-8} {23.07.1998}
\newtoks \utfa@oldchar \newif \ifa@quote
\def \utfa@scan #1{% modified scanner call: token sequence -> \a@tokens
\iftest@scan \tracingmacros = 1 \fi
\def \sc@char {}\utfa@oldchar {!}\def \sc@beg {\utfa@beg }%
\sc@beg #1\@ \@ \@ \@@ % transform
\iftest@scan \tracingmacros = 0 \xpa \a@verb \xpa (\the\a@tokens )>\fi }
\def \utfa@beg #1#2{% start UTF-8 scanner
\h@mzafalse \iz@fetfalse \novocalize % because of explicit quoting
\def \next {\utfa@word #1#2}%
\ifnum `#1="D8 \ifnum `#2="27 \def \next {\utfa@alif }\fi \else
\ifx #1"\def \next {\utfa@lquote #2}\else
\ifx #1/\global \a@tokens ={#1}\def \next {\utfa@word #2}\else % x>
\fi\fi\fi \next }
{\catcode `\^ 7 \catcode `\^^M=13
\gdef \utfa@word #1#2{% transform input into internal notation
\ifx #1\@ \def \next {\utfa@end #2}\else % finished
\ifx #1-\def \next {\utfa@minus #2}\else %
\ifx #1"\def \next {\utfa@rquote #2}\else %
\ifx #1/\def \next {\sc@back #1#2}\else %
%\if \nxp ^^M\nxp #1\def \next {\utfa@par #2}\else % active character
\ifnum `#1="D8 \def \next {\utfa@dviii #2}\else
\ifnum `#1="D9 \def \next {\utfa@dix #2}\else
\ifnum `#1="DA \def \next {\utfa@da #2}\else
\ifnum `#1="DB \def \next {\utfa@db #2}\else
\def \next {\utfa@asci #1#2}%
%\fi
\fi\fi\fi\fi
\fi\fi\fi\fi \next }%
} % catcode 13
\def \utfa@end #1\@@ {\relax }
\def \utfa@asci #1{% deposit ASCII item
\def \sc@char {#1}\sc@put \utfa@word }
\def \utfa@next {% save and deposit character
\utfa@oldchar \xpa{\sc@char }\sc@put \utfa@word }
\def \utfa@asci #1{% deposit ASCII item
\def \sc@char {#1}\utfa@next }
{\catcode `\% 12 \gdef \a@pc {%}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \utfa@dviii #1{% segment D8
\a@lb `#1\relax \advance \a@lb -"80
\a@lq \a@lb \divide \a@lq 8
\ifcase \a@lq \edef \sc@char {}
\or \advance \a@lb -8 \edef \sc@char {\ifcase \a@lb
\or \or \or \or ,\or \or \or \or \fi }%
\or \advance \a@lb -"10 \edef \sc@char {}
\or \advance \a@lb -"18 \edef \sc@char {\ifcase \a@lb
\or \or \or ;\or \or \or \or ?\or \fi }%
\or \advance \a@lb -"20 \edef \sc@char {\ifcase \a@lb
\or Q|\or QA\or Qa\or Qw\or Qi\or Qy\or A\or \fi }%
\or \advance \a@lb -"28 \edef \sc@char {\ifcase \a@lb
b\or T\or t\or C\or G\or H\or X\or d\or \fi }%
\or \advance \a@lb -"30 \edef \sc@char {\ifcase \a@lb
F\or r\or z\or s\or x\or S\or D\or V\or \fi }%
\or \advance \a@lb -"38 \edef \sc@char {\ifcase \a@lb
Z\or P\or R\or \or \or \or \or \or \fi }%
\fi \utfa@next }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \utfa@dix #1{% segment D9
\a@lb `#1\relax \advance \a@lb -"80
\a@lq \a@lb \divide \a@lq 8
\ifcase \a@lq \edef \sc@char {\ifcase \a@lb
B\or f\or q\or k\or l\or m\or n\or h\or \fi }%
\or \advance \a@lb -8 \edef \sc@char {\ifcase \a@lb
w\or Y\or y\or "aN\or "uN\or "iN\or "a\or "u\or \fi }%
\or \advance \a@lb -"10 \edef \sc@char {\ifcase \a@lb
"i\or \the\utfa@oldchar\or ""\or \or \or \or \or \or \fi }%
\or \advance \a@lb -"18 \edef \sc@char {}
\or \advance \a@lb -"20 \edef \sc@char {\ifcase \a@lb
0\or 1\or 2\or 3\or 4\or 5\or 6\or 7\or \fi }%
\or \advance \a@lb -"28 \edef \sc@char {\ifcase \a@lb
8\or 9\or \a@pc\or \f@sila\or
\f@sila\or *\or \or \or \fi }%
\or \advance \a@lb -"30 \edef \sc@char {\ifcase \a@lb
"\n@xp\a@a\or "\or "\n@xp\a@Za\or "\n@xp\a@Zu\or
N"\n@xp\a@Ze\or Qa\or Qw\or Qw"u\or \fi }%
\or \advance \a@lb -"38 \edef \sc@char {\ifcase \a@lb
Qy\or \n@xp\a@t\or \n@xp\a@T\or \n@xp\a@ab\or
\n@xp\a@v\or \n@xp\a@at\or p\or \n@xp\a@ac\or \fi }%
\fi \utfa@next }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \utfa@da #1{% segment DA
\a@lb `#1\relax \advance \a@lb -"80
\a@lq \a@lb \divide \a@lq 8
\ifcase \a@lq \edef \sc@char {\ifcase \a@lb
\n@xp\a@ap\or c\or \n@xp\a@G\or \n@xp\a@ag\or
\n@xp\a@ah\or \n@xp\a@c\or J\or \n@xp\a@aj\or \fi }%
\or \advance \a@lb -8 \edef \sc@char {\ifcase \a@lb
\n@xp\a@d\or \n@xp\a@aA\or \n@xp\a@D\or \n@xp\a@aB\or
\n@xp\a@ad\or \n@xp\a@af\or \n@xp\a@aC\or \n@xp\a@ae\or \fi }%
\or \advance \a@lb -"10 \edef \sc@char {\ifcase \a@lb
\n@xp\a@aD\or \n@xp\a@r\or \n@xp\a@aF\or \n@xp\a@q\or
\n@xp\a@aG\or \n@xp\a@R\or \n@xp\a@z\or \n@xp\a@aH\or \fi }%
\or \advance \a@lb -"18 \edef \sc@char {\ifcase \a@lb
j\or \n@xp\a@ar\or \n@xp\a@s\or \n@xp\a@aJ\or
\n@xp\a@aK\or \n@xp\a@aL\or \n@xp\a@aM\or \n@xp\a@aO\or \fi }%
\or \advance \a@lb -"20 \edef \sc@char {\ifcase \a@lb
\n@xp\a@p\or \n@xp\a@f\or \n@xp\a@F\or \n@xp\a@aP\or
v\or \n@xp\a@V\or \n@xp\a@aq\or \n@xp\a@aQ\or \fi }%
\or \advance \a@lb -"28 \edef \sc@char {\ifcase \a@lb
\n@xp\a@aR\or \n@xp\a@k\or \n@xp\a@ax\or \n@xp\a@g\or
\n@xp\a@L\or K\or \n@xp\a@aS\or g\or \fi }%
\or \advance \a@lb -"30 \edef \sc@char {\ifcase \a@lb
\n@xp\a@J\or \n@xp\a@al\or \n@xp\a@aT\or \n@xp\a@ak\or
\n@xp\a@M\or \n@xp\a@l\or \n@xp\a@aW\or \n@xp\a@aX\or \fi }%
\or \advance \a@lb -"38 \edef \sc@char {\ifcase \a@lb
\n@xp\a@aY\or \n@xp\a@aZ\or \n@xp\a@n\or \n@xp\a@an\or
\n@xp\a@m\or \n@xp\a@am\or h-\or \n@xp\a@aE\or \fi }%
\fi \utfa@next }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \utfa@db #1{% segment DB
\a@lb `#1\relax \advance \a@lb -"80
\a@lq \a@lb \divide \a@lq 8
\ifcase \a@lq \edef \sc@char {\ifcase \a@lb
Qh\or \n@xp\a@h\or \n@xp\a@B\or \n@xp\a@j\or
\n@xp\a@aU\or \n@xp\a@aV\or \n@xp\a@W\or \n@xp\a@w\or \fi }%
\or \advance \a@lb -8 \edef \sc@char {\ifcase \a@lb
\n@xp\a@aw\or \n@xp\a@au\or \n@xp\a@av\or \n@xp\a@X\or
Y\or L\or \n@xp\a@az\or \n@xp\a@x\or \fi }%
\or \advance \a@lb -"10 \edef \sc@char {\ifcase \a@lb
\n@xp\a@Y\or \n@xp\a@y\or E\or \n@xp\a@ay\or
B\or \n@xp\a@H\or \or \or \fi }%
\or \advance \a@lb -"18 \edef \sc@char {}
\or \advance \a@lb -"20 \edef \sc@char {}
\or \advance \a@lb -"28 \edef \sc@char {}
\or \advance \a@lb -"30 \edef \sc@char {\ifcase \a@lb
0\or 1\or 2\or 3\or
4\or 5\or 6\or 7\or \fi }%
\or \advance \a@lb -"38 \edef \sc@char {\ifcase \a@lb
8\or 9\or \n@xp\a@aI\or \n@xp\a@aN\or
\n@xp\a@P\or \n@xp\a@ai"\n@xp\a@Zi\or
\n@xp\a@ao"\n@xp\a@Zi\or \or \fi }%
\fi \utfa@next }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \utfa@alif {% alif at the beginning of a word
\def \sc@char {a}\sc@put \utfa@word }
\def \utfa@minus {% hyphen between words
\def \sc@char {-}\sc@put \utfa@beg }
\def \utfa@lquote {% left quote
\ifa@quote \def \sc@char {'}\global\a@quotefalse
\else \def \sc@char {`}\global\a@quotetrue
\fi \sc@put \utfa@beg }
\def \utfa@rquote {% right quote
\global\a@quotefalse \def \sc@char {'}\sc@put \utfa@word }
\def \utfa@par #1\@ \@@ {% new line, push back the rest
\sc@back \\#1\@ \@@ }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\message {scanner module for the Arabic segment of UTF-8 installed.}
\catcode `\@ = \utfatcode
\endinput
%%%%%%%%%%%%%%%%%%%%%%%% EOF %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
