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%%%%%%%%%%%%%%%%%%%%%%%%%%% isiri.sty %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% isiri.sty
% Scanner for ISIRI 3342 Code
% to install it, include it as a LaTeX package or style option "isiri"
% with Plain TeX, say "\input isiri.sty"
% to activate it, say "\setcode {isiri3342}" or "\setcode {isiri}"
% 26.04.2003
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% (c) Klaus Lagally
% Institut fuer Formale Methoden der Informatik
% Universitaet Stuttgart
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\ifx \isiriatcode \undefined \else \expandafter \endinput
\fi % load only once
\chardef \isiriatcode = \catcode`\@ \catcode`\@ = 11
\a@ident {isiri.sty} {3.11 ISIRI 3342 input encoding } {26.04.2003}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \isiri@catcodes {% assignments for ISIRI 3342
\countdef \is@m=2 \countdef \is@n=4
\is@m = 160 \is@n = 32
\loop \ifnum \catcode \is@m = 11 \else \catcode \is@m = 11 \fi
\global\lccode \is@m = \is@n
\ifnum 255 > \is@m \advance \is@m 1 \advance \is@n 1 \repeat
\is@m=0 \is@n=0 \catcode `\^ 7 \catcode `\^^a0 12 }
{\isiri@catcodes
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% dynamic definitions for Arabic
{\catcode `\^ 7 \catcode `\ =9 \catcode `\^^M=9 \catcode `\^^I=9
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\gdef \setisi@codes {% activate and change some codes
\globaldefs=1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def \sc@^^a0 {@} \def \sc@^^a1 {||} \def \sc@^^a2 {-} \def \sc@^^a3 {!}
\def \sc@^^a4 {\a@dlr} \def \sc@^^a5 {\a@pct}
\def \sc@^^a6 {\a@amp} \def \sc@^^a7 {\a@qt}
\def \sc@^^a8 {(} \def \sc@^^a9 {)} \def \sc@^^aa {*} \def \sc@^^ab {+}
\def \sc@^^ac {,} \def \sc@^^ad {-} \def \sc@^^ae {.} \def \sc@^^af {/}
\def \sc@^^b0 {0} \def \sc@^^b1 {1} \def \sc@^^b2 {2} \def \sc@^^b3 {3}
\def \sc@^^b4 {4} \def \sc@^^b5 {5} \def \sc@^^b6 {6} \def \sc@^^b7 {7}
\def \sc@^^b8 {8} \def \sc@^^b9 {9} \def \sc@^^ba {:} \def \sc@^^bb {;}
\def \sc@^^bc {\a@lab} \def \sc@^^bd {=}
\def \sc@^^be {\a@rab} \def \sc@^^bf {?}
\def \sc@^^c0 {QA} \def \sc@^^c1 {A} \def \sc@^^c2 {Q|} \def \sc@^^c3 {b}
\def \sc@^^c4 {p} \def \sc@^^c5 {t} \def \sc@^^c6 {C} \def \sc@^^c7 {G}
\def \sc@^^c8 {J} \def \sc@^^c9 {H} \def \sc@^^ca {X} \def \sc@^^cb {d}
\def \sc@^^cc {F} \def \sc@^^cd {r} \def \sc@^^ce {z} \def \sc@^^cf {j}
\def \sc@^^d0 {s} \def \sc@^^d1 {x} \def \sc@^^d2 {S} \def \sc@^^d3 {D}
\def \sc@^^d4 {V} \def \sc@^^d5 {Z} \def \sc@^^d6 {P} \def \sc@^^d7 {R}
\def \sc@^^d8 {f} \def \sc@^^d9 {q} \def \sc@^^da {\n@xp \a@k}
\def \sc@^^db {g}
\def \sc@^^dc {l} \def \sc@^^dd {m} \def \sc@^^de {n} \def \sc@^^df {w}
\def \sc@^^e0 {h} \def \sc@^^e1 {Y} \def \sc@^^e2 {[} \def \sc@^^e3 {]}
\def \sc@^^e4 {\a@lbc} \def \sc@^^e5 {\a@rbc}
\def \sc@^^e6 {'} \def \sc@^^e7 {`}
\def \sc@^^e8 {*} \def \sc@^^e9 {B}
\def \sc@^^ea {\a@bar} \def \sc@^^eb {\a@bsl}
\def \sc@^^ec {@} \def \sc@^^ed {@} \def \sc@^^ee {@} \def \sc@^^ef {@}
\def \sc@^^f0 {"a} \def \sc@^^f1 {"i} \def \sc@^^f2 {"u} \def \sc@^^f3 {"aN}
\def \sc@^^f4 {"iN}\def \sc@^^f5 {"uN} \def \sc@^^f6 {@} \def \sc@^^f7 {""}
\def \sc@^^f8 {Qa} \def \sc@^^f9 {Qw} \def \sc@^^fa {Qi} \def \sc@^^fb {QY}
\def \sc@^^fc {T} \def \sc@^^fd {k} \def \sc@^^fe {y} \def \sc@^^ff {E}
\a@digits = {0123456789^^b0^^b1^^b2^^b3^^b4^^b5^^b6^^b7^^b8^^b9}
\a@paren = {()[]^^a8^^a9^^e2^^e3}
\a@first = {"`^^e6}
\globaldefs=0 }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
}% end of dynamic definitions for Arabic
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\gdef \isi@scan #1>{% standard scanner call: token sequence -> \a@tokens
\iftest@scan \tracingmacros = 1
\ifshow \else \lowercase{\a@verb #1>}\fi\fi
\global\def \a@rest {}\global\a@tokens = {}\sc@beg #1\@ \@@
\iftest@scan \tracingmacros = 0 %
\xpa \a@verb \xpa (\the\a@tokens )>\fi }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
{\catcode `\^ 7
\gdef \isi@beg #1#2{% start ISIRI 3342 scanner
\h@mzafalse \iz@fetfalse \yahdots \novocalize % because of explicit quoting
\@ssimfalse
\case #1\of
{ \@{\sc@endscan #2} % finished
^^c1{\isi@alif@beg #2}
^^e6{\isi@lquote #2}
\default {\isi@word #1#2}
}\endcase }
{\catcode `\^^M=13 \endlinechar = -1
\gdef \isi@word #1#2{% transform input into internal notation
\ifx #1\@ \def \next {\sc@endscan #2}\else % finished
\if \nxp ^^M\nxp #1\def \next {\isi@par #1#2}% active character
\else \def \next {\isi@w@rd #1#2}%
\fi\fi \next }%
} % catcode 13
\gdef \isi@w@rd #1#2{% special cases
\case #1\of
{ #2{\isi@word #1-#2}
-{\isi@minus #2}
^^a0{\sc@back #2}
^^ad{\isi@minus #2}
^^c1{\isi@alif #2}
^^c2{\isi@hamza #2}
^^df{\isi@waw #2}
^^e0{\isi@hah #2}
^^e1{\isi@Yah #2}
^^e7{\isi@rquote #2}
^^fe{\isi@yah #2}
\default {\isi@@word #1#2}
}\endcase }
\gdef \isi@@word #1#2{% default branch
\ifcat a\nxp #1\edef \sc@char {\csname sc@#1\endcsname }%
\else \def \sc@char {\nxp #1}%
\fi \sc@put
\ifx #2^^f6\def \next {\isi@word #1}% shadda
\else \def \next {\isi@word #2}%
\fi \next }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\gdef \isi@alif@beg #1{% alif
\ifx #1^^a2\def \next {\isi@alif@P }\else
\def \next {\isi@word #1}\def \sc@char {a}\sc@put
\fi \next }
\gdef \isi@alif #1{% alif
\ifx #1^^a2\def \next {\isi@alif@P }\else
\def \next {\isi@word #1}\def \sc@char {A}\sc@put
\fi \next }
\gdef \isi@alif@P #1{% alif PCN hamza ?
\ifx #1^^c2\def \sc@char {Qa}\def \next {\isi@word }\else
\def \sc@char {A-}\def \next {\isi@word #1}%
\fi \sc@put \next }
\gdef \isi@waw #1{% waw
\ifx #1^^a2\def \next {\isi@waw@P }\else
\def \next {\isi@word #1}\def \sc@char {w}\sc@put
\fi \next }
\gdef \isi@waw@P #1{% waw PCN hamza ?
\ifx #1^^c2\def \sc@char {Qw}\def \next {\isi@word }\else
\def \sc@char {w-}\def \next {\isi@word #1}%
\fi \sc@put \next }
\gdef \isi@yah #1{% yah
\ifx #1^^a2\def \next {\isi@yah@P }\else
\def \next {\isi@word #1}\def \sc@char {y}\sc@put
\fi \next }
\gdef \isi@Yah #1{% Yah
\ifx #1^^a2\def \next {\isi@yah@P }\else
\def \next {\isi@word #1}\def \sc@char {Y}\sc@put
\fi \next }
\gdef \isi@yah@P #1{% yah PCN hamza ?
\ifx #1^^c2\def \sc@char {QY}\def \next {\isi@word }\else
\def \sc@char {y-}\def \next {\isi@word #1}%
\fi \sc@put \next }
\gdef \isi@hah #1{% hah
\ifx #1^^a2\def \next {\isi@hah@P }\else
\def \next {\isi@word #1}\def \sc@char {h}\sc@put
\fi \next }
\gdef \isi@hah@P #1{% hah PCN hamza ?
\ifx #1^^c2\def \sc@char {Qh}\def \next {\isi@word }\else
\def \sc@char {h-}\def \next {\isi@word #1}%
\fi \sc@put \next }
\gdef \isi@hamza #1{% hamza
\ifx #1^^a2\def \sc@char {QY}\def \next {\isi@word }%
\else \def \sc@char {Q|}\def \next {\isi@word #1}%
\fi \sc@put \next }
\gdef \isi@minus {% hyphen between words
\def \sc@char {-}\sc@put \isi@beg }
\gdef \isi@lquote {% left quote
\def \sc@char {`}\sc@put \isi@beg }
\gdef \isi@rquote {% right quote
\def \sc@char {'}\sc@put \isi@word }
\gdef \isi@par #1\@ \@@ {% new line, push back the rest
\sc@back \\ #1\@ \@@ }
\gdef \isi@endscan \@@ {\global\let \a@scan \isi@scan }
}% catcode ^
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
} % \isiri@catcodes
\def \set@isiri {% select the ISIRI 3342 scanner
\let \sc@beg \isi@beg \let \sc@word \isi@word
\let \sc@back \sc@@back \let \sc@endscan \isi@endscan
\global\let \a@scan \isi@scan \setisi@codes
\isiri@catcodes \yahdots
\a@message {input encoding set to ISIRI 3342 conventions}}
\xpa \def \xpa \sc@table \xpa {\sc@table % add the ASMO449 encoding
isiri\set@isiri isiri3342\set@isiri }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\a@message {scanner for code ISIRI 3342 installed.}
\catcode `\@ = \isiriatcode
\endinput
%%%%%%%%%%%%%%%%%%%%%%%% EOF %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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