Aminet 52/Aminet 52 (2002)(GTI - Schatztruhe)[!][Dec 2002].iso/Aminet/dev/gg/ncurses-5.3.lha/ncurses-5.3/include/MKkey_defs.sh

Linux/UNIX/POSIX Shell Script | 2002-10-24 | 5KB | 179 lines

#! /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 <[e-mail]> 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