#! /bin/sh

listonly=true
case "$1" in
+)	listonly=false
	shift;;
esac

cjbig5=${1-etc/charmaps/hkscs/hkscs-2004-cj.txt}
cjuni=keymaps/hkscs.uni


if [ -f "$cjbig5" ]
then	true
else	echo HKSCS Changjie table not found in file $cjbig5
	exit 1
fi


#############################################################################
CC=${CC-cc}

(
cat <</eoc
#include <stdio.h>

#include "charcode.c"

int width_data_version;
int nonbmp_width_data = 0;
int combining_data_version = 3;

FLAG utf8_text = 0;
FLAG utf16_file = 0;
FLAG utf16_little_endian = 0;
FLAG cjk_text = 0;
FLAG mapped_text = 0;

FLAG utf8_screen;
FLAG utf8_input;
FLAG cjk_term;
FLAG mapped_term;

int
main () {
	(void) set_text_encoding (NIL_PTR, 'B', "mkkmhkscs");

/eoc

tr -d '\015' < $cjbig5 |
sed -e 's/^\([0-9A-Fa-f][0-9A-Fa-f]*\)  *\([A-Za-z][A-Za-z]*\) *$/	printf ("%s	%04X\\n", "\2", lookup_encodedchar (0x\1));/' \
    -e t -e d

cat <</eoc

	exit (0);
}
/eoc
) > keymaps/mkkmhkscs.c

if $CC -I. -o keymaps/mkkmhkscs.exe keymaps/mkkmhkscs.c iscombin.o charmaps/*.o
then	if keymaps/mkkmhkscs.exe > $cjuni
	then	rm -f keymaps/mkkmhkscs.c keymaps/mkkmhkscs.exe
	else	exit 1
	fi
	(echo "	* supplemented with additional mappings"
	 echo "	* generated with mkkmhkscs"
	 echo "	  from HKSCS Changjie table $cjbig5"
	) > $cjuni.gen
else	exit 1
fi


if $listonly
then	exit
fi


#############################################################################
for cj in `cat $cjuni |
    sed -e "s,^\([A-Za-z][A-Za-z]*\)	*[0-9A-Fa-f][0-9A-Fa-f]*$,\1," -e t -e d |
    sort | uniq`
do	codes=`cat $cjuni | sed -e "s,^$cj	\([0-9A-Fa-f][0-9A-Fa-f]*\)$,\1," -e t -e d`
	echo -n "	cj (\"$cj\"" | tr 'A-Z' 'a-z'
	echo " `echo $codes`" | sed -e 's, ,); hkscs (0x,g' -e 's,$,);,'
done