174 lines
4.6 KiB
Perl
174 lines
4.6 KiB
Perl
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#!/usr/bin/env perl
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# $XTermId: query-status.pl,v 1.5 2017/12/18 01:42:54 tom Exp $
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# -----------------------------------------------------------------------------
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# this file is part of xterm
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#
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# Copyright 2017 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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# Test the status features of xterm using DECRQSS.
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#
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# TODO: use Term::ReadKey rather than system/stty
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use strict;
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use warnings;
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use Getopt::Std;
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use IO::Handle;
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our ($opt_8);
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&getopts('8') || die(
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"Usage: $0 [options]\n
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Options:\n
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-8 use 8-bit controls
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Options which use C1 controls may not work with UTF-8.
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"
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);
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our $ST = $opt_8 ? "\x9c" : "\x1b\\";
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our %suffixes;
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$suffixes{DECSCA} = '"q';
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$suffixes{DECSCL} = '"p';
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$suffixes{DECSTBM} = 'r';
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$suffixes{DECSLRM} = 's';
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$suffixes{SGR} = 'm';
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$suffixes{DECSCUSR} = ' q';
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sub no_reply($) {
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open TTY, "+</dev/tty" or die("Cannot open /dev/tty\n");
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autoflush TTY 1;
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my $old = `stty -g`;
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system "stty raw -echo min 0 time 5";
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print TTY @_;
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close TTY;
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system "stty $old";
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}
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sub get_reply($) {
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open TTY, "+</dev/tty" or die("Cannot open /dev/tty\n");
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autoflush TTY 1;
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my $old = `stty -g`;
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system "stty raw -echo min 0 time 5";
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print TTY @_;
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my $reply = <TTY>;
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close TTY;
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system "stty $old";
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if ( defined $reply ) {
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die("^C received\n") if ( "$reply" eq "\003" );
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}
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return $reply;
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}
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sub visible($) {
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my $reply = $_[0];
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my $n;
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my $result = "";
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for ( $n = 0 ; $n < length($reply) ; ) {
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my $c = substr( $reply, $n, 1 );
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if ( $c =~ /[[:print:]]/ ) {
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$result .= $c;
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}
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else {
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my $k = ord substr( $reply, $n, 1 );
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if ( ord $k == 0x1b ) {
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$result .= "\\E";
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}
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elsif ( $k == 0x7f ) {
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$result .= "^?";
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}
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elsif ( $k == 32 ) {
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$result .= "\\s";
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}
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elsif ( $k < 32 ) {
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$result .= sprintf( "^%c", $k + 64 );
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}
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elsif ( $k > 128 ) {
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$result .= sprintf( "\\%03o", $k );
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}
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else {
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$result .= chr($k);
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}
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}
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$n += 1;
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}
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return $result;
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}
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sub query_one($) {
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my $name = shift;
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my $suffix = $suffixes{$name};
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my $prefix = $opt_8 ? "\x90" : "\x1bP";
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my $reply;
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my $n;
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my $st = $opt_8 ? "\x9c" : qr/\x1b\\/;
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my $DCS = qr/${prefix}/;
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my $match = qr/${DCS}.*${st}/;
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$reply = get_reply( $prefix . '$q' . $suffix . $ST );
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printf "%-10s query{%s}%*s", $name, #
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&visible($suffix), #
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4 - length($suffix), " ";
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if ( defined $reply ) {
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printf "%2d ", length($reply);
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if ( $reply =~ /${match}/ ) {
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$reply =~ s/^${DCS}//;
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$reply =~ s/^;//;
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$reply =~ s/${st}$//;
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}
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else {
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printf "? ";
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}
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printf "{%s}", visible($reply);
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}
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printf "\n";
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}
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printf "\x1b G" if ($opt_8);
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if ( $#ARGV >= 0 ) {
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while ( $#ARGV >= 0 ) {
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&query_one( shift @ARGV );
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}
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}
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else {
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for my $key ( sort keys %suffixes ) {
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&query_one($key);
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}
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}
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printf "\x1b F" if ($opt_8);
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