#! /bin/sh -f

name=$1

if make UnicodeData.txt
then	true
else	echo Could not acquire Unicode data file UnicodeData.txt
	exit 1
fi


script=`echo $name | tr '[a-z]' '[A-Z]'`

case "$script" in
ETHIOPIC)	name=Amharic;;
esac


# generate lines:
#	{"xa", "ぁ"},

sed	-e "s/^\([^;]*\);$script LETTER /\1;LETTER /" -e "t script" \
	-e "s/^\([^;]*\);$script SYLLABLE /\1;SYLLABLE /" -e "t script" \
	-e d -e ": script" \
	-e "s/LETTER SMALL /LETTER x/" \
	-e "s/;SYLLABLE /;LETTER /" \
	UnicodeData.txt |
sed	-e 's, PHARYNGEAL , `,' \
	-e 's, GLOTTAL , ,' \
	-e 's, SEBATBEIT , #,' \
	-e 'b generate' \
	-e ': generate' \
	-e 's/^\([^;]*\);LETTER \([^;]*\);.*/	printf ("	{\\\"\2\\\", \\\""); printutf8 (0x\1); printf ("\\\"},\\n");/' \
	-e t -e d |
tr '[A-Z]' '[a-z]' > keymaps/$name.tab

if [ ! -s keymaps/$name.tab ]
then	echo no script $name in UnicodeData.txt
	rm -f keymaps/$name.tab
	exit
fi

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

int b;

void
printutf8 (unichar)
	unsigned long unichar;
{
	if (unichar == '\\' || unichar == '"') {
		printf ("\\");
	}

	if (unichar < 0x80) {
		printf ("%c", unichar);
	} else if (unichar < 0x800) {
		printf ("%c", 0xC0 | (unichar >> 6));
		printf ("%c", 0x80 | (unichar & 0x3F));
	} else if (unichar < 0x10000) {
		printf ("%c", 0xE0 | (unichar >> 12));
		printf ("%c", 0x80 | ((unichar >> 6) & 0x3F));
		printf ("%c", 0x80 | (unichar & 0x3F));
	} else if (unichar < 0x200000) {
		printf ("%c", 0xF0 | (unichar >> 18));
		printf ("%c", 0x80 | ((unichar >> 12) & 0x3F));
		printf ("%c", 0x80 | ((unichar >> 6) & 0x3F));
		printf ("%c", 0x80 | (unichar & 0x3F));
	} else if (unichar < 0x4000000) {
		printf ("%c", 0xF8 | (unichar >> 24));
		printf ("%c", 0x80 | ((unichar >> 18) & 0x3F));
		printf ("%c", 0x80 | ((unichar >> 12) & 0x3F));
		printf ("%c", 0x80 | ((unichar >> 6) & 0x3F));
		printf ("%c", 0x80 | (unichar & 0x3F));
	} else if (unichar < 0x80000000) {
		printf ("%c", 0xFC | (unichar >> 30));
		printf ("%c", 0x80 | ((unichar >> 24) & 0x3F));
		printf ("%c", 0x80 | ((unichar >> 18) & 0x3F));
		printf ("%c", 0x80 | ((unichar >> 12) & 0x3F));
		printf ("%c", 0x80 | ((unichar >> 6) & 0x3F));
		printf ("%c", 0x80 | (unichar & 0x3F));
	}
}

int
main () {
/eoc

cat keymaps/$name.tab

cat <</eoc
	return 0;
}
/eoc
) > keymaps/$name.c

rm -f keymaps/$name.tab

if cc -o keymaps/$name.exe keymaps/$name.c
then	if [ -f keymaps/$name.h ]
	then	echo saving previous keyboard mapping file to keymaps/$name.h.sav
		mv -i keymaps/$name.h keymaps/$name.h.sav
	fi
	(
	echo "/***************************************************"
	echo "	mined keyboard mapping table"
	echo "	* generated with mkkbmap (mkkmudat)"
	echo "	  from UnicodeData.txt"
	echo "*/"
	echo "struct keymap keymap_$name [] = {"
	keymaps/$name.exe
	echo "	{NIL_PTR}"
	echo "};"
	) > keymaps/$name.h

	./mkkentry -U $name

	rm -f keymaps/$name.c keymaps/$name.exe
fi