#!/usr/bin/perl -wT
#
# This file is MPL/GPL dual-licensed under the following terms:
#
# The contents of this file are subject to the Mozilla Public License
# Version 1.1 (the "License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and
# limitations under the License.
#
# The Original Code is the registration script on libpr0n.com.
# The Initial Developer of the Original Code is Ian Hickson.
#
# Alternatively, the contents of this file may be used under the terms
# of the GNU General Public License Version 2 or later (the "GPL"), in
# which case the provisions of the GPL are applicable instead of those
# above. If you wish to allow use of your version of this file only
# under the terms of the GPL and not to allow others to use your
# version of this file under the MPL, indicate your decision by
# deleting the provisions above and replace them with the notice and
# other provisions required by the GPL. If you do not delete the
# provisions above, a recipient may use your version of this file
# under either the MPL or the GPL.
use strict; # be anal about stuff
use diagnostics; # enable fuller diagnostics of warnings
use CGI; # oh yeah, this is a CGI script
use LWP::UserAgent; # which reads web pages
my $query = CGI->new();
my $page = $query->param('page');
my $open = $query->param('open');
my $close = $query->param('close');
my $result = '';
if (($page) and ($open) and ($close) and ($open !~ /$close/is) and ($close !~ /$open/is)) {
my $data = &fetch($page)->content;
my $level = 0;
my $max = 0;
my $nextopen = '';
my $nextclose = '';
do {
$nextopen = &find($data, $open);
$nextclose = &find($data, $close);
if (length($nextopen) < length($nextclose)) {
$data =~ s/^.*?$open//is;
$level++;
if ($level > $max) {
$max = $level;
}
} elsif (length($nextopen) > length($nextclose)) {
$data =~ s/^.*?$close//is;
$level--;
}
} while (length($nextopen) != length($nextclose));
$result = "Results
Page: $page
Maximum nesting level was $max deep. At the end of the file the nesting level was $level.
";
}
if (not $page) { $page = 'http://www.damowmow.com/'; }
if (not $open) { $open = '
Nesting Depth Counter
end
sub fetch {
my($uri) = @_;
my $ua = LWP::UserAgent->new();
$ua->protocols_allowed(['http', 'https']);
my $request = HTTP::Request->new(GET => $uri);
return $ua->request($request);
}
sub find {
my($data, $search) = @_;
if ($data =~ /^(.*?$search)/is) {
return $1;
} else {
return $data;
}
}