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#! /bin/sh
# $Id: MKkey_defs.sh,v 1.21 2020/08/17 10:45:33 tom Exp $
##############################################################################
# Copyright 2019,2020 Thomas E. Dickey #
# Copyright 2001-2013,2017 Free Software Foundation, Inc. #
# #
# Permission is hereby granted, free of charge, to any person obtaining a #
# copy of this software and associated documentation files (the "Software"), #
# to deal in the Software without restriction, including without limitation #
# the rights to use, copy, modify, merge, publish, distribute, distribute #
# with modifications, sublicense, and/or sell copies of the Software, and to #
# permit persons to whom the Software is furnished to do so, subject to the #
# following conditions: #
# #
# The above copyright notice and this permission notice shall be included in #
# all copies or substantial portions of the Software. #
# #
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL #
# THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING #
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER #
# DEALINGS IN THE SOFTWARE. #
# #
# Except as contained in this notice, the name(s) of the above copyright #
# holders shall not be used in advertising or otherwise to promote the sale, #
# use or other dealings in this Software without prior written #
# authorization. #
##############################################################################
#
# MKkey_defs.sh -- generate function-key definitions for curses.h
#
# Author: Thomas E. Dickey 2001
#
# Extract function-key definitions from the Caps file
#
: ${AWK-awk}
test $# = 0 && set Caps
data=data$$
pass1=pass1_$$
pass2=pass2_$$
pass3=pass3_$$
pass4=pass4_$$
trap 'rm -f $data pass[1234]_$$' EXIT INT QUIT TERM HUP
# change repeated tabs (used for readability) to single tabs (needed to make
# awk see the right field alignment of the corresponding columns):
if sort -k 6 "$@" >$data 2>/dev/null
then
# POSIX
sed -e 's/[ ][ ]*/ /g' "$@" |sort -n -k 6 >$data
elif sort -n +5 "$@" >$data 2>/dev/null
then
# SunOS (and SVr4, marked as obsolete but still recognized)
sed -e 's/[ ][ ]*/ /g' "$@" |sort -n +5 >$data
else
echo "Your sort utility is broken. Please install one that works." >&2
exit 1
fi
# add keys that we generate automatically:
cat >>$data <<EOF
key_resize kr1 str R1 KEY_RESIZE + NCURSES_EXT_FUNCS Terminal resize event
EOF
THIS=./`basename $0`
cat <<EOF
/*
* These definitions were generated by $THIS $*
*/
EOF
# KEY_RESET
maxkey=345
for pass in 1 2 3 4
do
output=pass${pass}_$$
${AWK-awk} >$output <$data '
function print_cols(text,cols) {
printf "%s", text
len = length(text);
while (len < cols) {
printf " "
len += 8;
}
}
function decode(keycode) {
result = 0;
if (substr(keycode, 1, 2) == "0x") {
digits="0123456789abcdef";
} else if (substr(keycode, 1, 1) == "0") {
digits="01234567";
} else {
digits="0123456789";
}
while (length(keycode) != 0) {
digit=substr(keycode, 1, 1);
keycode=substr(keycode, 2);
result = result * length(digits) + index(digits, digit) - 1;
}
return result;
}
BEGIN {
maxkey='$maxkey';
pass='$pass';
key_max=1;
bits=1;
while (key_max < maxkey) {
bits = bits + 1;
key_max = (key_max * 2) + 1;
}
octal_fmt = sprintf ("%%0%do", (bits + 2) / 3 + 1);
}
/^$/ {next;}
/^#/ {next;}
/^capalias/ {next;}
/^infoalias/ {next;}
/^used_by/ {next;}
/^userdef/ {next;}
$5 != "-" && $6 != "-" {
if ($6 == "+") {
if (pass == 1 || pass == 2)
next;
thiskey=maxkey + 1;
} else {
if (pass == 3)
next;
thiskey=decode($6);
}
if (thiskey > maxkey)
maxkey = thiskey;
if (pass == 2 || pass == 3) {
showkey=sprintf(octal_fmt, thiskey);
ifdef = 0;
if (index($7,"NCURSES_") == 1) {
ifdef = 1;
printf "\n";
printf "#ifdef %s\n", $7;
}
if ($5 == "KEY_F(0)" ) {
printf "#define "
print_cols("KEY_F0", 16);
print_cols(showkey, 16);
print "/* Function keys. Space for 64 */";
printf "#define "
print_cols("KEY_F(n)", 16);
print_cols("(KEY_F0+(n))", 16);
print "/* Value of function key n */"
} else {
printf "#define "
print_cols($5, 16);
print_cols(showkey, 16);
printf "/*"
for (i = 8; i <= NF; i++)
printf " %s", $i
print " */"
}
if (ifdef != 0) {
printf "#endif\n";
}
}
}
END {
if (pass == 1) {
print maxkey;
} else if (pass == 4) {
print "";
printf "#define ";
print_cols("KEY_MAX", 16);
result = sprintf (octal_fmt, key_max);
print_cols(result, 16);
printf "/* Maximum key value is ";
printf octal_fmt, maxkey;
print " */";
}
}
'
if test $pass = 1 ; then
maxkey=`cat $pass1`
fi
done
cat $pass2
cat $pass3
cat $pass4