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# This code is part of Perl distribution Mail-Message version 4.02.
# The POD got stripped from this file by OODoc version 3.06.
# For contributors see file ChangeLog.
# This software is copyright (c) 2001-2026 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;{
our $VERSION = '4.02';
}
use strict;
use warnings;
use Log::Report 'mail-message', import => [ qw/__x error info warning/ ];
use Mail::Message::Head::Complete ();
use Mail::Message::Body::Lines ();
use Mail::Message::Body::Multipart ();
use Mail::Message::Body::Nested ();
use Mail::Message::Field ();
use Mail::Address ();
use Scalar::Util qw/blessed/;
#--------------------
sub build(@)
{ my $class = shift;
! $class->isa('Mail::Box::Message')
or error __x"only build() Mail::Message's; they are not in a folder yet.";
my @parts
= ! blessed $_[0] ? ()
: $_[0]->isa('Mail::Message') ? shift
: $_[0]->isa('Mail::Message::Body') ? shift
: ();
my ($head, @headerlines);
my ($type, $transfenc, $dispose, $descr, $cid, $lang);
while(@_)
{ my $key = shift;
if(blessed $key && $key->isa('Mail::Message::Field'))
{ my $name = $key->name;
if($name eq 'content-type') { $type = $key }
elsif($name eq 'content-transfer-encoding') { $transfenc = $key }
elsif($name eq 'content-disposition') { $dispose = $key }
elsif($name eq 'content-description') { $descr = $key }
elsif($name eq 'content-language') { $lang = $key }
elsif($name eq 'content-id') { $cid = $key }
else { push @headerlines, $key }
next;
}
my $value = shift // next;
my @data;
if($key eq 'head')
{ $head = $value }
elsif($key eq 'data')
{ @data = Mail::Message::Body->new(data => $value) }
elsif($key eq 'file' || $key eq 'files')
{ @data = map Mail::Message::Body->new(file => $_), ref $value eq 'ARRAY' ? @$value : $value;
}
elsif($key eq 'attach')
{ foreach my $c (ref $value eq 'ARRAY' ? @$value : $value)
{ defined $c or next;
push @data, blessed $c && $c->isa('Mail::Message') ? Mail::Message::Body::Nested->new(nested => $c) : $c;
}
}
elsif($key =~ m/^content\-(type|transfer\-encoding|disposition|language|description|id)$/i )
{ my $k = lc $1;
my $field = Mail::Message::Field->new($key, $value);
if($k eq 'type') { $type = $field }
elsif($k eq 'disposition') { $dispose = $field }
elsif($k eq 'description') { $descr = $field }
elsif($k eq 'language') { $lang = $field }
elsif($k eq 'id') { $cid = $field }
else { $transfenc = $field }
}
elsif($key =~ m/^[A-Z]/)
{ push @headerlines, $key, $value }
else
{ warning __x"skipped unknown key '{key}' in build.", key => $key;
}
push @parts, grep defined, @data;
}
my $body
= @parts==0 ? Mail::Message::Body::Lines->new
: @parts==1 ? $parts[0]
: Mail::Message::Body::Multipart->new(parts => \@parts);
# Setting the type explicitly, only after the body object is finalized
$body->type($type) if defined $type;
$body->disposition($dispose) if defined $dispose;
$body->description($descr) if defined $descr;
$body->language($lang) if defined $lang;
$body->contentId($cid) if defined $cid;
$body->transferEncoding($transfenc) if defined $transfenc;
$class->buildFromBody($body, $head, @headerlines);
}
sub buildFromBody(@)
{ my ($class, $body) = (shift, shift);
my $head;
if(blessed $_[0] && $_[0]->isa('Mail::Message::Head')) { $head = shift }
else
{ defined $_[0] or shift; # explicit undef as head
$head = Mail::Message::Head::Complete->new;
}
while(@_)
{ if(blessed $_[0]) { $head->add(shift) }
else { $head->add(shift, shift) }
}
my $message = $class->new(head => $head);
$message->body($body);
# be sure the message-id is actually stored in the header.
defined $head->get('message-id') or $head->add('Message-Id' => '<'.$message->messageId.'>');
defined $head->get('Date') or $head->add(Date => Mail::Message::Field->toDate);
defined $head->get('MIME-Version') or $head->add('MIME-Version' => '1.0'); # required by rfc2045
$message;
}
#--------------------
1;
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