/[suikacvs]/messaging/manakai/lib/Message/Body/TextMessageRFC1153.pm
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Revision 1.1 - (show annotations) (download)
Sat Jul 20 03:09:29 2002 UTC (22 years, 4 months ago) by wakaba
Branch: MAIN
CVS Tags: before-dis2-200411, manakai-release-0-3-2, manakai-release-0-3-1, manakai-release-0-4-0, manakai-200612, msg-0-1, HEAD
Branch point for: branch-suikawiki-1, experimental-xml-parser-200401, stable
2002-07-20  Wakaba <w@suika.fam.cx>

	* TextMessageRFC1153.pm: New module.

1
2 =head1 NAME
3
4 Message::Body::TextMessageRFC1153 --- Perl module
5 for digest message format defined by RFC 1153
6
7 =cut
8
9 ## TODO:
10 ## - Select and sort enclosed message header fields (See RFC 1153)
11
12 package Message::Body::TextMessageRFC1153;
13 use strict;
14 use vars qw(%DEFAULT @ISA $VERSION);
15 $VERSION=do{my @r=(q$Revision: 1.1 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
16
17 require Message::Body::Multipart;
18 push @ISA, qw(Message::Body::Multipart);
19
20 %DEFAULT = (
21 ## "#i" : only inherited from parent Entity and inherits to child Entity
22 -_ARRAY_NAME => 'value',
23 -_METHODS => [qw|entity_header add delete count item preamble list_name digest_info|],
24 -_MEMBERS => [qw|preamble list_name digest_info|],
25 #i accept_cte
26 #i body_default_charset
27 #i body_default_charset_input
28 #i cte_default
29 #linebreak_strict => 0,
30 -media_type => 'text',
31 -media_subtype => 'x-message-rfc1153',
32 #parse_all => 0,
33 #parts_min => 1,
34 #parts_max => 0,
35 #i text_coderange
36 #use_normalization => 0,
37 -use_param_charset => 0,
38 -value_type => {},
39 );
40
41 =head1 CONSTRUCTORS
42
43 The following methods construct new objects:
44
45 =over 4
46
47 =cut
48
49 ## Initialize of this class -- called by constructors
50 sub _init ($;%) {
51 my $self = shift;
52 my $DEFAULT = Message::Util::make_clone (\%DEFAULT);
53 my %option = @_;
54 $self->SUPER::_init (%$DEFAULT, %option);
55 $self->{option}->{value_type}->{body_part}
56 = [@{ $Message::MIME::MediaType::type{message}->{rfc822}->{handler} }];
57 }
58
59 =item $body = Message::Body::Multipart->new ([%options])
60
61 Constructs a new object. You might pass some options as parameters
62 to the constructor.
63
64 =cut
65
66 ## Inherited
67
68 =item $body = Message::Body::Multipart->parse ($body, [%options])
69
70 Constructs a new object with given field body. You might pass
71 some options as parameters to the constructor.
72
73 =cut
74
75 sub parse ($$;%) {
76 my $class = shift;
77 my $self = bless {}, $class;
78 my $body = shift;
79 $self->_init (@_);
80 my $nl = "\x0D\x0A";
81 unless ($self->{option}->{linebreak_strict}) {
82 $nl = Message::Util::decide_newline ($body);
83 }
84 ## Split the body
85 $body = $nl . $body if $body =~ /^-{70,70}$nl/s;
86 ($self->{preamble}, $body) = split /(?<=$nl)-{70,70}$nl$nl/s, $body, 2;
87 $body = $nl . $body if $body =~ /^-{30,30}$nl/s;
88 $self->{value} = [ split /(?!=$nl)$nl-{30,30}$nl$nl/, $body ];
89 if ($self->{value}->[-1] =~ /^End of(.+?)Digest(.*?)$nl\*+(?:$nl)*$/is) {
90 ($self->{list_name}, $self->{digest_info}) = ($1, $2);
91 $self->{list_name} =~ s/^\s+//; $self->{list_name} =~ s/\s+$//;
92 $self->{digest_info} =~ s/^\s+//; $self->{digest_info} =~ s/\s+$//;
93 pop @{ $self->{value} };
94 }
95
96 if ($self->{option}->{parse_all}) {
97 $self->{value} = [ map {
98 $self->_parse_value (body_part => $_);
99 } @{ $self->{value} } ];
100 $self->{preamble} = $self->_parse_value (preamble => $self->{preamble});
101 }
102 $self;
103 }
104
105 =back
106
107 =cut
108
109 ## add, item, delete, count
110
111 ## entity_header: Inherited
112
113 sub preamble ($;$) {
114 my $self = shift;
115 my $np = shift;
116 if (defined $np) {
117 $np = $self->_parse_value (preamble => $np) if $self->{option}->{parse_all};
118 $self->{preamble} = $np;
119 }
120 $self->{preamble};
121 }
122 sub list_name ($;$) {
123 my $self = shift;
124 my $np = shift;
125 if (defined $np) {
126 $self->{list_name} = $np;
127 }
128 $self->{list_name};
129 }
130 sub digest_info ($;$) {
131 my $self = shift;
132 my $np = shift;
133 if (defined $np) {
134 $self->{digest_info} = $np;
135 }
136 $self->{digest_info};
137 }
138
139 =head2 $self->stringify ([%option])
140
141 Returns the C<body> as a string.
142
143 =cut
144
145 sub stringify ($;%) {
146 my $self = shift;
147 my %o = @_; my %option = %{$self->{option}};
148 for (grep {/^-/} keys %o) {$option{substr ($_, 1)} = $o{$_}}
149 $self->_delete_empty;
150 ## Check the number of parts
151 my $min = $option{parts_min} || 1; $min--;
152 $#{ $self->{value} } = $min unless $min <= $#{ $self->{value} };
153 my $max = $option{parts_max} || $#{$self->{value}}+1; $max--;
154 $max = $#{$self->{value}} if $max > $#{$self->{value}};
155 ## Make trailer
156 my $trailer = sprintf 'End of %s Digest%s',
157 (length $self->{list_name}? $self->{list_name}: 'list'),
158 (length $self->{digest_info}? ' '.$self->{digest_info}:'');
159 $trailer .= "\x0D\x0A" . ('*' x length $trailer) . "\x0D\x0A";
160 ## Preparates parts
161 my @parts = map { ''. $_ } @{ $self->{value} }[0..$max];
162 push @parts, $trailer;
163 my $preamble = ''.$self->{preamble};
164
165 if (ref $self->{header}) {
166 my $ct = $self->{header}->field ('content-type');
167 if (ref $self->{preamble}) {
168 unless (ref $self->{preamble}->entity_header) {
169 $self->{preamble}->entity_header (new Message::Header -format => 'mail-rfc822');
170 }
171 my $pct = $self->{preamble}->entity_header->field ('content-type', -new_item_unless_exist => 0);
172 $ct->replace ('x-preamble-type' => $pct)
173 if $pct && $pct ne 'text/plain; charset=us-ascii';
174 }
175 }
176
177 $preamble =~ s/^-{70,70}\x0D?$/"\x20".('-' x 69)/gem;
178 $preamble .= "\x0D\x0A" unless $preamble =~ /\x0D\x0A$/s;
179
180 $preamble
181 ."----------------------------------------------------------------------\x0D\x0A"
182 ."\x0D\x0A"
183 .join "\x0D\x0A------------------------------\x0D\x0A\x0D\x0A",
184 map { s/^-{30,30}\x0D?$/"\x20".('-' x 29)/gem;
185 $_ .= "\x0D\x0A" unless /\x0D\x0A$/s; $_ } @parts;
186 }
187 *as_string = \&stringify;
188
189 ## Inherited: option, clone
190
191
192 =head1 SEE ALSO
193
194 RFC 1153 E<lt>urn:ietf:rfc:1153>
195
196 =head1 LICENSE
197
198 Copyright 2002 wakaba E<lt>w@suika.fam.cxE<gt>.
199
200 This program is free software; you can redistribute it and/or modify
201 it under the terms of the GNU General Public License as published by
202 the Free Software Foundation; either version 2 of the License, or
203 (at your option) any later version.
204
205 This program is distributed in the hope that it will be useful,
206 but WITHOUT ANY WARRANTY; without even the implied warranty of
207 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
208 GNU General Public License for more details.
209
210 You should have received a copy of the GNU General Public License
211 along with this program; see the file COPYING. If not, write to
212 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
213 Boston, MA 02111-1307, USA.
214
215 =head1 CHANGE
216
217 See F<ChangeLog>.
218 $Date: 2002/07/20 03:09:29 $
219
220 =cut
221
222 1;

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