File: Part.pm

package info (click to toggle)
libmail-box-perl 2.068-1
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 3,576 kB
  • ctags: 1,493
  • sloc: perl: 22,358; makefile: 49
file content (130 lines) | stat: -rw-r--r-- 2,867 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
use strict;
use warnings;

package Mail::Message::Part;
use vars '$VERSION';
$VERSION = '2.068';
use base 'Mail::Message';

use Scalar::Util    'weaken';

use Carp;


sub init($)
{   my ($self, $args) = @_;
    $args->{head} ||= Mail::Message::Head::Complete->new;

    $self->SUPER::init($args);

    confess "No container specified for part.\n"
        unless exists $args->{container};

    weaken($self->{MMP_container})
       if $self->{MMP_container} = $args->{container};

    $self;
}

#------------------------------------------


sub coerce($@)
{   my ($class, $thing, $container) = (shift, shift, shift);

    return $class->buildFromBody($thing, $container, @_)
        if $thing->isa('Mail::Message::Body');

    # Although cloning is a Bad Thing(tm), we must avoid modifying
    # header fields of messages which reside in a folder.
    my $message = $thing->isa('Mail::Box::Message') ? $thing->clone : $thing;

    my $part    = $class->SUPER::coerce($message);
    $part->container($container);
    $part;
}

#------------------------------------------


sub buildFromBody($$;@)
{   my ($class, $body, $container) = (shift, shift, shift);
    my @log     = $body->logSettings;

    my $head    = Mail::Message::Head::Complete->new(@log);
    while(@_)
    {   if(ref $_[0]) {$head->add(shift)}
        else          {$head->add(shift, shift)}
    }

    my $part = $class->new
     ( head      => $head
     , container => $container
     , @log
     );

    $part->body($body);
    $part;
}

#------------------------------------------

sub container(;$)
{   my $self = shift;
    return $self->{MMP_container} unless @_;

    $self->{MMP_container} = shift;
    weaken($self->{MMP_container});
}

#------------------------------------------

sub toplevel()
{   my $body = shift->container or return;
    my $msg  = $body->message   or return;
    $msg->toplevel;
}

#------------------------------------------

sub isPart() { 1 }

#------------------------------------------


sub printEscapedFrom($)
{   my ($self, $out) = @_;
    $self->head->print($out);
    $self->body->printEscapedFrom($out);
}

#------------------------------------------

sub readFromParser($;$)
{   my ($self, $parser, $bodytype) = @_;

    my $head = $self->readHead($parser)
            || Mail::Message::Head::Complete->new
                 ( message     => $self
                 , field_type  => $self->{MM_field_type}
                 , $self->logSettings
                 );

    my $body = $self->readBody($parser, $head, $bodytype)
            || Mail::Message::Body::Lines->new(data => []);

    $self->head($head);
    $self->storeBody($body->contentInfoFrom($head));
    $self;
}

#------------------------------------------


sub destruct()
{  my $self = shift;
   $self->log(ERROR =>'You cannot destruct message parts, only whole messages');
   undef;
}

1;