xref: /freebsd/contrib/ncurses/include/MKkey_defs.sh (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d) 
1#! /bin/sh
2# $Id: MKkey_defs.sh,v 1.15 2013/03/09 16:32:01 tom Exp $
3##############################################################################
4# Copyright (c) 2001-2003,2013 Free Software Foundation, Inc.                #
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7# copy of this software and associated documentation files (the "Software"), #
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26# holders shall not be used in advertising or otherwise to promote the sale, #
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29##############################################################################
30#
31# MKkey_defs.sh -- generate function-key definitions for curses.h
32#
33# Author: Thomas E. Dickey 2001
34#
35# Extract function-key definitions from the Caps file
36#
37: ${AWK-awk}
38DATA=${1-Caps}
39
40data=data$$
41pass1=pass1_$$
42pass2=pass2_$$
43pass3=pass3_$$
44pass4=pass4_$$
45trap 'rm -f $data pass[1234]_$$' 0 1 2 5 15
46
47# change repeated tabs (used for readability) to single tabs (needed to make
48# awk see the right field alignment of the corresponding columns):
49if sort -k 6 $DATA >$data 2>/dev/null
50then
51	# POSIX
52	sed -e 's/[	][	]*/	/g' < $DATA |sort -n -k 6 >$data
53elif sort -n +5 $DATA >$data 2>/dev/null
54then
55	# SunOS (and SVr4, marked as obsolete but still recognized)
56	sed -e 's/[	][	]*/	/g' < $DATA |sort -n +5 >$data
57else
58	echo "Your sort utility is broken.  Please install one that works." >&2
59	exit 1
60fi
61
62# add keys that we generate automatically:
63cat >>$data <<EOF
64key_resize	kr1	str	R1	KEY_RESIZE	+	-----	Terminal resize event
65key_event	kv1	str	V1	KEY_EVENT	+	-----	We were interrupted by an event
66EOF
67
68THIS=./`basename $0`
69PARM=./`basename $DATA`
70
71cat <<EOF
72/*
73 * These definitions were generated by $THIS $PARM
74 */
75EOF
76
77# KEY_RESET
78maxkey=345
79
80for pass in 1 2 3 4
81do
82
83output=pass${pass}_$$
84
85${AWK-awk} >$output <$data '
86function print_cols(text,cols) {
87	printf "%s", text
88	len = length(text);
89	while (len < cols) {
90		printf "	"
91		len += 8;
92	}
93}
94function decode(keycode) {
95	result = 0;
96	if (substr(keycode, 1, 2) == "0x") {
97		digits="0123456789abcdef";
98	} else if (substr(keycode, 1, 1) == "0") {
99		digits="01234567";
100	} else {
101		digits="0123456789";
102	}
103	while (length(keycode) != 0) {
104		digit=substr(keycode, 1, 1);
105		keycode=substr(keycode, 2);
106		result = result * length(digits) + index(digits, digit) - 1;
107	}
108	return result;
109}
110
111BEGIN	{
112	maxkey='$maxkey';
113	pass='$pass';
114	key_max=1;
115	bits=1;
116	while (key_max < maxkey) {
117		bits = bits + 1;
118		key_max = (key_max * 2) + 1;
119	}
120	octal_fmt = sprintf ("%%0%do", (bits + 2) / 3 + 1);
121}
122
123/^$/		{next;}
124/^#/		{next;}
125/^capalias/	{next;}
126/^infoalias/	{next;}
127
128$5 != "-" && $6 != "-" {
129		if ($6 == "+") {
130			if (pass == 1 || pass == 2)
131				next;
132			thiskey=maxkey + 1;
133		} else {
134			if (pass == 3)
135				next;
136			thiskey=decode($6);
137		}
138		if (thiskey > maxkey)
139			maxkey = thiskey;
140		if (pass == 2 || pass == 3) {
141			showkey=sprintf(octal_fmt, thiskey);
142			if ($5 == "KEY_F(0)" ) {
143				printf "#define "
144				print_cols("KEY_F0", 16);
145				print_cols(showkey, 16);
146				print "/* Function keys.  Space for 64 */";
147				printf "#define "
148				print_cols("KEY_F(n)", 16);
149				print_cols("(KEY_F0+(n))", 16);
150				print "/* Value of function key n */"
151			} else {
152				printf "#define "
153				print_cols($5, 16);
154				print_cols(showkey, 16);
155				printf "/*"
156				for (i = 8; i <= NF; i++)
157					printf " %s", $i
158				print " */"
159			}
160		}
161	}
162END	{
163		if (pass == 1) {
164			print maxkey;
165		} else if (pass == 4) {
166			print "";
167			printf "#define ";
168			print_cols("KEY_MAX", 16);
169			result = sprintf (octal_fmt, key_max);
170			print_cols(result, 16);
171			printf "/* Maximum key value is ";
172			printf octal_fmt, maxkey;
173			print " */";
174		}
175	}
176'
177if test $pass = 1 ; then
178	maxkey=`cat $pass1`
179fi
180
181done
182
183cat $pass2
184cat $pass3
185cat $pass4
186