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# This code is part of Perl distribution Mail-Message version 4.01.
# The POD got stripped from this file by OODoc version 3.05.
# For contributors see file ChangeLog.
# This software is copyright (c) 2001-2025 by Mark Overmeer.
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
# SPDX-License-Identifier: Artistic-1.0-Perl OR GPL-1.0-or-later
package Mail::Message::Head::Partial;{
our $VERSION = '4.01';
}
use parent 'Mail::Message::Head::Complete';
use strict;
use warnings;
use Log::Report 'mail-message', import => [ qw// ];
use Scalar::Util qw/weaken/;
#--------------------
sub removeFields(@)
{ my $self = shift;
my $known = $self->{MMH_fields};
foreach my $match (@_)
{
if(ref $match)
{ $_ =~ $match && delete $known->{$_} for keys %$known }
else { delete $known->{lc $match} }
}
$self->cleanupOrderedFields;
}
sub removeFieldsExcept(@)
{ my $self = shift;
my $known = $self->{MMH_fields};
my %remove = map +($_ => 1), keys %$known;
foreach my $match (@_)
{ if(ref $match)
{ $_ =~ $match && delete $remove{$_} for keys %remove }
else { delete $remove{lc $match} }
}
delete @$known{ keys %remove };
$self->cleanupOrderedFields;
}
sub removeResentGroups()
{ my $self = shift;
require Mail::Message::Head::ResentGroup;
my $known = $self->{MMH_fields};
my $found = 0;
foreach my $name (keys %$known)
{ Mail::Message::Head::ResentGroup->isResentGroupFieldName($name) or next;
delete $known->{$name};
$found++;
}
$self->cleanupOrderedFields;
$self->modified(1) if $found;
$found;
}
sub removeListGroup()
{ my $self = shift;
require Mail::Message::Head::ListGroup;
my $known = $self->{MMH_fields};
my $found = 0;
foreach my $name (keys %$known)
{ Mail::Message::Head::ListGroup->isListGroupFieldName($name) or next;
delete $known->{$name};
$found++;
}
$self->cleanupOrderedFields if $found;
$self->modified(1) if $found;
$found;
}
sub removeSpamGroups()
{ my $self = shift;
require Mail::Message::Head::SpamGroup;
my $known = $self->{MMH_fields};
my $found = 0;
foreach my $name (keys %$known)
{ Mail::Message::Head::SpamGroup->isSpamGroupFieldName($name) or next;
delete $known->{$name};
$found++;
}
$self->cleanupOrderedFields if $found;
$self->modified(1) if $found;
$found;
}
sub cleanupOrderedFields()
{ my $self = shift;
my @take = grep defined, @{$self->{MMH_order}};
weaken($_) for @take;
$self->{MMH_order} = \@take;
$self;
}
#--------------------
1;
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