101 lines
3 KiB
Perl
101 lines
3 KiB
Perl
#!/usr/bin/env perl
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# $XTermId: iso2022.pl,v 1.5 2021/02/13 01:24:32 tom Exp $
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# -----------------------------------------------------------------------------
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# Copyright 2021 by Thomas E. Dickey
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#
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# All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name(s) of the above copyright
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# holders shall not be used in advertising or otherwise to promote the
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# sale, use or other dealings in this Software without prior written
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# authorization.
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# -----------------------------------------------------------------------------
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# show ISO-2022 characters, by default GL and GR, optionally G1/G2/G3
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use strict;
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use warnings;
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use Getopt::Std;
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$| = 1;
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our ( $opt_k, $opt_n, $opt_q, $opt_s );
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sub doit() {
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my $GL = "";
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printf "-- vile: fk=8bit\n";
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my $lo = 0;
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if ($opt_q) {
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$GL =
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"`1234567890-=\n"
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. "qwertyuiop[]\\\n"
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. "asdfghjkl;'\n"
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. "zxcvbnm,./\n"
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. "~!@#$%^&*()_+\n"
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. "QWERTYUIOP{}|\n"
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. "ASDFGHJKL:\"\n"
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. "ZXCVBNM<>?";
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}
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else {
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$lo = $opt_k ? 0 : 32;
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for my $n ( $lo .. 127 ) {
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$GL .= chr($n);
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$GL .= "\n" if ( ( ( $n - 31 ) % 16 ) == 0 );
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}
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}
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my $GR = "";
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for my $n ( 0 .. ( length($GL) - 1 ) ) {
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my $c = substr( $GL, $n, 1 );
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if ( ord($c) == 10 and ( not $opt_k or $n != 10 ) ) {
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$GR .= $c;
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}
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else {
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$GR .= chr( ord($c) + 128 );
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}
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}
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if ($opt_s) {
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$GL =~ s/([^\n])/ $1/g;
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$GR =~ s/([^\n])/ $1/g;
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}
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printf "GL:\n%s\n", $GL;
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printf "GR:\n%s\n", $GR;
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}
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sub main::HELP_MESSAGE() {
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printf STDERR <<EOF
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Usage: $0 [options]
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Options:
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-k assume 128-159 are printable.
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-n print hex value before each character
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-q use QWERTY
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-s space between characters
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EOF
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;
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exit 1;
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}
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$Getopt::Std::STANDARD_HELP_VERSION = 1;
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&getopts('knqs') || main::HELP_MESSAGE;
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&doit;
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1;
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