Tool to compare two (roughly similar) termcap entries (like rxvt-mono

and rxvt-unicode) so see which fields should don't need to be copied
if the :tc=xxx: option is used.
This commit is contained in:
Edwin Groothuis 2009-06-14 03:29:14 +00:00
parent b0734f67fa
commit 246137792f

View File

@ -0,0 +1,98 @@
#!/usr/bin/perl -w
#
# Copyright (C) 2009 Edwin Groothuis. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
use strict;
use Data::Dumper;
if ($#ARGV != 1) {
print <<EOF;
Usage: $0 <term1> <term2>
Compares the entries in the termcap.src for <term1> and <term2> and
print the keys and definitions on the screen. This can be used to reduce
the size of two similar termcap entries with the "tc" option.
EOF
exit(0);
}
open(FIN, "termcap.src");
my @lines = <FIN>;
chomp(@lines);
close(FIN);
my %tcs = ();
my $tc = "";
foreach my $l (@lines) {
next if ($l =~ /^#/);
next if ($l eq "");
$tc .= $l;
next if ($l =~ /\\$/);
my @a = split(/:/, $tc);
next if ($#a < 0);
my @b = split(/\|/, $a[0]);
if ($#b >= 0) {
$tcs{$b[0]} = $tc;
} else {
$tcs{$a[0]} = $tc;
}
$tc = "";
}
die "Cannot find definitions for $ARGV[0]" if (!defined $tcs{$ARGV[0]});
die "Cannot find definitions for $ARGV[1]" if (!defined $tcs{$ARGV[1]});
my %tc = ();
my %keys = ();
for (my $i = 0; $i < 2; $i++) {
foreach my $tc (split(/:/, $tcs{$ARGV[$i]})) {
next if ($tc =~ /^\\/);
$tc{$i}{$tc} = 0 if (!defined $tc{$i}{$tc});
$tc{$i}{$tc}++;
$keys{$tc} = 0;
}
}
foreach my $key (sort(keys(%keys))) {
if (length($key) > 15) {
print "$key\n";
printf("%-15s %-3s %-3s\n", "",
defined $tc{0}{$key} ? "+" : "",
defined $tc{1}{$key} ? "+" : ""
);
} else {
printf("%-15s %-3s %-3s\n", $key,
defined $tc{0}{$key} ? "+" : "",
defined $tc{1}{$key} ? "+" : ""
);
}
}