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#!/usr/bin/perl -w
# $XTermId: paste64.pl,v 1.10 2006/03/13 01:28:02 tom Exp $
# -----------------------------------------------------------------------------
# this file is part of xterm
#
# Copyright 2006 by Thomas E. Dickey
#
# All Rights Reserved
#
# 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, 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 LISTED COPYRIGHT HOLDER(S) 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.
# -----------------------------------------------------------------------------
# Test the paste64 option of xterm.
use strict;
use Term::ReadKey;
use IO::Handle;
use MIME::Base64;
our $target = "";
sub to_hex($) {
my $value = $_[0];
my $result = "";
my $n;
for ( $n = 0; $n < length($value); ++$n) {
$result .= sprintf("%02X", ord substr($value,$n,1));
}
return $result;
}
sub show_string($) {
my $value = $_[0];
my $n;
my $result = "";
for ( $n = 0; $n < length($value); $n += 1) {
my $c = ord substr($value,$n,1);
if ( $c == ord '\\' ) {
$result .= "\\\\";
} elsif ( $c == 0x1b ) {
$result .= "\\E";
} elsif ( $c == 0x7f ) {
$result .= "^?";
} elsif ( $c == 32 ) {
$result .= "\\s";
} elsif ( $c < 32 ) {
$result .= sprintf("^%c", $c + 64);
} elsif ( $c > 128 ) {
$result .= sprintf("\\%03o", $c);
} else {
$result .= chr($c);
}
}
printf "%s\r\n", $result;
}
sub get_reply($) {
my $command = $_[0];
my $reply = "";
printf "send: ";
show_string($command);
print STDOUT $command;
autoflush STDOUT 1;
while (1) {
my $test=ReadKey 1;
last if not defined $test;
#printf "%d:%s\r\n", length($reply), to_hex($test);
$reply .= $test;
}
return $reply;
}
sub get_paste() {
my $reply = get_reply("\x1b]52;" . $target . ";?\x1b\\");
printf "read: ";
show_string($reply);
my $data = $reply;
$data =~ s/^\x1b]52;[[:alnum:]]*;//;
$data =~ s/\x1b\\$//;
printf "chop: ";
show_string($data);
$data = decode_base64($data);
printf "data: ";
show_string($data);
}
sub put_paste() {
ReadMode 1;
printf "data: ";
my $data = ReadLine 0;
chomp $data;
ReadMode 5;
$data = encode_base64($data);
chomp $data;
printf "data: ";
show_string($data);
my $send = "\x1b]52;" . $target . ";" . $data . "\x1b\\";
printf "send: ";
show_string($send);
}
sub set_target() {
ReadMode 1;
printf "target: ";
$target = ReadLine 0;
$target =~ s/[^[:alnum:]]//g;
ReadMode 5;
printf "result: %s\r\n", $target;
}
ReadMode 5, 'STDIN'; # allow single-character inputs
while (1) {
my $cmd;
printf "\r\nCommand (? for help):";
$cmd = ReadKey 0;
if ( $cmd eq "?" ) {
printf "\r\np=put selection, g=get selection, q=quit, r=reset target, s=set target\r\n";
} elsif ($cmd eq "p") {
printf " ...put selection\r\n";
put_paste();
} elsif ($cmd eq "g") {
printf " ...get selection\r\n";
get_paste();
} elsif ($cmd eq "q") {
printf " ...quit\r\n";
last;
} elsif ($cmd eq "r") {
printf " ...reset\r\n";
$target = "";
} elsif ($cmd eq "s") {
printf " ...set target\r\n";
set_target();
}
}
ReadMode 0, 'STDIN'; # Reset tty mode before exiting
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