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* lib/Qpsmtpd/Address.pm

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Don't overload '<=>' operator casually.  Swap host/user portion
    when comparing (makes it easy to sort by domain).

git-svn-id: https://svn.perl.org/qpsmtpd/branches/0.31@558 958fd67b-6ff1-0310-b445-bb7760255be9
This commit is contained in:
John Peacock 2005-11-01 15:14:48 +00:00
parent 7bc7916bda
commit 3b09cc25d7
1 changed files with 8 additions and 5 deletions
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13
lib/Qpsmtpd/Address.pm
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@ -3,8 +3,7 @@ use strict;
use overload (
'""' => \&format,
'cmp' => \&spaceship,
'<=>' => \&spaceship,
'cmp' => \&addr_cmp,
);
sub new {
@ -193,7 +192,7 @@ sub host {
return $self->{_host};
}
sub spaceship {
sub addr_cmp {
require UNIVERSAL;
my ($left, $right, $swap) = @_;
my $class = ref($left);
@ -201,12 +200,16 @@ sub spaceship {
unless ( UNIVERSAL::isa($right, $class) ) {
$right = $class->new($right);
}
#invert the address so we can sort by domain then user
$left = lc($left->host.'='.$left->user);
$right = lc($right->host.'='.$right->user);
if ( $swap ) {
($right, $left) = ($left, $right);
}
return lc($left->format) cmp lc($right->format);
return ($left cmp $right);
}
1;