]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - include/MKkey_defs.sh
ncurses 5.3
[ncurses.git] / include / MKkey_defs.sh
diff --git a/include/MKkey_defs.sh b/include/MKkey_defs.sh
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+#! /bin/sh
+# $Id: MKkey_defs.sh,v 1.10 2002/09/28 23:32:16 tom Exp $
+##############################################################################
+# Copyright (c) 2001,2002 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 <dickey@herndon4.his.com> 2001
+#
+# Extract function-key definitions from the Caps file
+#
+: ${AWK-awk}
+DATA=${1-Caps}
+
+data=data$$
+pass1=pass1_$$
+pass2=pass2_$$
+pass3=pass3_$$
+pass4=pass4_$$
+trap 'rm -f $data pass[1234]_$$' 0 1 2 5 15
+
+# 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 $DATA >$data 2>/dev/null
+then
+       # POSIX
+       sed -e 's/[     ]\+/    /g' < $DATA |sort -n -k 6 >$data
+else
+       # SunOS (and SVr4, marked as obsolete but still recognized)
+       sed -e 's/[     ]\+/    /g' < $DATA |sort -n +5 >$data
+fi
+
+# add keys that we generate automatically:
+cat >>$data <<EOF
+key_resize     kr1     str     R1      KEY_RESIZE      +       -----   Terminal resize event
+key_event      kv1     str     V1      KEY_EVENT       +       -----   We were interrupted by an event
+EOF
+
+cat <<EOF
+/*
+ * These definitions were generated by $0 $DATA
+ */
+EOF
+
+# KEY_RESET
+maxkey=345
+
+for pass in 1 2 3 4
+do
+
+output=pass${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;}
+
+$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);
+                       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 " */"
+                       }
+               }
+       }
+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