bind/doc/misc/format-options.pl

#!/usr/bin/perl
#
 * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 2001  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.

# $Id: format-options.pl,v 1.5 2007/09/24 04:21:59 marka Exp $

print <<END;

This is a summary of the named.conf options supported by 
this version of BIND 9.

END

# Break long lines
while (<>) {
	chomp;
	s/\t/        /g;
	my $line = $_;
	m!^( *)!;
	my $indent = $1;
	my $comment = "";
	if ( $line =~ m!//.*! ) {
		$comment = $&;
		$line =~ s!//.*!!;
	}
	my $start = "";
	while (length($line) >= 79 - length($comment)) {
		$_ = $line;
		# this makes sure that the comment has something in front of it
		$len = 75 - length($comment);
		m!^(.{0,$len}) (.*)$!;
		$start = $start.$1."\n";
		$line = $indent."    ".$2;
	}
	print $start.$line.$comment."\n";
}