/[suikacvs]/messaging/bunshin/Bunshin.pm
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Contents of /messaging/bunshin/Bunshin.pm

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Revision 1.2 - (hide annotations) (download)
Sun Jun 16 10:46:29 2002 UTC (21 years, 11 months ago) by wakaba
Branch: MAIN
Changes since 1.1: +3 -5 lines
2002-06-16  wakaba <w@suika.fam.cx>

	* Bunshin.pm: New module.
	* ChangeLog: New file.

1 wakaba 1.1
2     =head1 NAME
3    
4 wakaba 1.2 Bunshin --- A shimbun implemrntion written in Perl
5 wakaba 1.1
6     =cut
7    
8     package Bunshin;
9     use strict;
10     use vars qw($DEBUG $MYNAME $VERSION);
11     $VERSION=do{my @r=(q$Revision: 1.1 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
12     $MYNAME = 'Bunshin';
13     $DEBUG = 0;
14     use FileHandle;
15     require Message::Entity;
16     require Message::Util;
17     require Message::Field::Date;
18    
19     sub new ($;%) {
20     my $class = shift;
21     my $self = bless {}, $class;
22     $self->{fmt2str} = Message::Util::make_clone
23     ($Message::Field::Date::DEFAULT{-fmt2str});
24     $self;
25     }
26    
27     =item $b->msg_regex ($regex)
28    
29     Set regex used to cut a message.
30    
31     =cut
32    
33     sub set_regex ($$$) {
34     my $self = shift;
35     my $name = shift;
36     my $regex = shift;
37     $regex =~ s/\x20/\\x20/g;
38     $regex =~ s/\x09/\\x09/g;
39     $regex =~ s/\x0D(?!\x0A)/\x0D\x0A/g;
40     $regex =~ s/(?<!\x0D)\x0A/\x0D\x0A/g;
41     $regex =~ s/\x0D/\\x0D/g;
42     $regex =~ s/\x0A/\\x0A/g;
43     $regex =~ s/\x23/\\x23/g;
44     $self->{'regex_'.$name} = $regex;
45     }
46    
47     sub set_hook_function ($$\&) {
48     my $self = shift;
49     my $name = shift;
50     my $function = shift;
51     $self->{'hook_'.$name} = $function;
52     }
53    
54     sub set_format ($$\&) {
55     my $self = shift;
56     my $name = shift;
57     my $function = shift;
58     $self->{fmt2str}->{$name} = $function;
59     }
60    
61     sub set_elements ($$@) {
62     my $self = shift;
63     my $name = shift;
64     $self->{'elements_'.$name} = \@_;
65     }
66    
67     sub set_source ($%) {
68     my $self = shift;
69     my %option = @_;
70     if (defined $option{value}) {
71     $self->{source} = $option{value};
72     } elsif ($option{uri}) {
73     require Message::Field::UA;
74     require LWP::UserAgent;
75     my $ua = Message::Field::UA->new;
76     $ua->add_our_name;
77     $ua->add ('libwww-perl' => $LWP::VERSION);
78     my $lwp = LWP::UserAgent->new;
79     $lwp->agent ($ua->stringify);
80     my $req = HTTP::Request->new (GET => $option{uri});
81     my $res = $lwp->request ($req);
82     my $c = $self->{hook_code_conversion} || \&_code_conversion;
83     $self->{source} = &$c ($self, $res->content, \%option);
84     $self->default_parameter (base_uri => $option{uri});
85     } elsif ($option{file}) {
86     my $f = new FileHandle $option{file} => 'r';
87     Carp::croak "set_source: $option{file}: $!" unless defined $f;
88     my $c = $self->{hook_code_conversion} || \&_code_conversion;
89     local $/ = undef;
90     $self->{source} = &$c ($self, $f->getline, \%option);
91     } else {
92     Carp::croak "set_source: $_[0]: Unsupported data source type";
93     }
94     $self->{source} =~ s/\x0D(?!\x0A)/\x0D\x0A/g;
95     $self->{source} =~ s/(?<!\x0D)\x0A/\x0D\x0A/g;
96     $self;
97     }
98    
99     ## $self->_code_conversion ($string, \%option)
100     sub _code_conversion ($$\%) {
101     $_[1];
102     }
103    
104     sub make_msgs ($) {
105     my $self = shift;
106     my $s = $self->{source};
107     my $f = $self->{hook_make_msg} || \&_make_a_msg;
108     my @msg;
109     my %param = %{$self->{default_parameter}};
110     if ($self->{regex_metainfo} && ref $self->{elements_metainfo}) {
111     $s =~ s{ $self->{regex_metainfo} }{
112     no strict 'refs';
113     for my $i (0..$#{$self->{elements_metainfo}}) {
114     $param{$self->{elements_metainfo}->[$i]} = ${$i+1};
115     }
116     $&;
117     }esx;
118     }
119     $s =~ s{ $self->{regex_message} }{
120     no strict 'refs';
121     my %p = %param;
122     for my $i (0..$#{$self->{elements_message}}) {
123     $p{$self->{elements_message}->[$i]} = ${$i+1};
124     }
125     my $msg = &$f ($self, %p);
126     push @msg, $msg;
127     }gesx;
128     @msg;
129     }
130    
131     ## Default function for "make_msg"
132     sub _make_a_msg ($@) {
133     my $self = shift;
134     my %p = @_;
135     my $msg = new Message::Entity
136     -fill_date => 0,
137     -fill_msgid => 0,
138     -fill_ua_name => 'x-shimbun-agent',
139     -parse_all => 1,
140     ;
141     my $hdr = $msg->header;
142     ## Originator and date
143     my $from = $hdr->field ('from')->add ($p{from_mail});
144     $from->display_name ($p{from_name}) if length $p{from_name};
145     my $date = $hdr->field ('date');
146     $p{date_year} ||= (gmtime)[5];
147     $date->set_datetime (@p{qw/date_year date_month
148     date_day date_hour date_minute date_second/},
149     zone => $p{date_zone});
150     $hdr->add ('x-uri' => $p{from_uri}) if $p{from_uri};
151     if ($p{from_face}) {
152     $msg->header->field ('x-face')->value ($p{from_face});
153     } elsif ($p{faces}->{$p{from_mail}}) {
154     $msg->header->field ('x-face')->value ($p{faces}->{$p{from_mail}});
155     } elsif ($p{list_face}) {
156     $msg->header->field ('x-face')->value ($p{list_face});
157     }
158     ## Message attribute
159     if (length $p{msg_id}) {
160     $hdr->add ('message-id' => $p{msg_id});
161     } else {
162     my $id_right = $p{msg_id_right} || $p{list_id};
163     my $c = $p{msg_count};
164     $c = '.d'.(0+$date) unless defined $p{msg_count};
165     my $mid = sprintf '<msg%s.BS%%list@%s>', $c, $id_right;
166     $mid = sprintf '<msg%s.BS%%%s>', $c, $p{msg_id_from} if $p{msg_id_from};
167     $hdr->add (($DEBUG?'x-':'').'message-id' => $mid);
168     }
169     $hdr->add (subject => $p{subject}) if length $p{subject};
170     my $a;
171     for (grep {/^misc_/} keys %p) {
172     $a = $hdr->field ('content-x-properties') unless ref $a;
173     my $name = substr ($_, 5);
174     $name =~ tr/_/-/;
175     if ($p{base_uri} && /uri/ && length $p{$_}) {
176     require URI::WithBase;
177 wakaba 1.2 $a->add ($name => URI::WithBase->new ($p{$_}, $p{base_uri})->abs);
178 wakaba 1.1 } else {
179     $a->add ($name => $p{$_}) if length $p{$_};
180     }
181     }
182     ## Body and body information
183     my $b = $self->{hook_msg_body} || \&_make_a_msg_body;
184     &$b ($self, $msg, $p{body}, \%p);
185     ## List information
186     if (length $p{list_id}) {
187     my $lid = $hdr->field ('list-id');
188     $lid->value ($p{list_id});
189     $lid->display_name ($p{list_name}) if length $p{list_name};
190     }
191     $hdr->add ('x-mail-count' => $p{msg_count}) if defined $p{msg_count};
192     $hdr->add ('x-ml-info' => $p{list_info}) if defined $p{list_info};
193     if ($p{base_uri}) {
194     my $uri = $hdr->add (x_uri => '');
195     $uri->value ($p{base_uri});
196     $uri->display_name ($p{list_name}) if length $p{list_name};
197     }
198     if ($p{urn_template}) {
199     my $urn = $self->Message::Field::Date::_date2str ({
200     format_template => $p{urn_template},
201     date_time => $date->unix_time,
202     zone => $date->zone,
203     fmt2str => $self->{fmt2str},
204     });
205     $hdr->add ('x-uri')->value ($urn);
206     }
207     ## Additional information
208     my $u = $self->{hook_msg_header_add};
209     &$u ($self, $msg, \%p) if ref $u;
210     $hdr->field ('x-shimbun-agent')->add ($MYNAME => $VERSION);
211     $msg;
212     }
213    
214     sub _make_a_msg_body ($$$\%) {
215     my $self = shift;
216     my ($msg, $body, $param) = @_;
217     if (length $body) {
218     $body =~ s/(?<!\x0D\x0A)\z/\x0D\x0A/s;
219     $msg->body ($body);
220     }
221     }
222    
223     sub default_parameter ($@) {
224     my $self = shift;
225     if (@_ == 1) {
226     return $self->{default_parameter}->{ $_[0] };
227     }
228     while (my ($name, $value) = splice (@_, 0, 2)) {
229     $self->{default_parameter}->{$name} = $value;
230     }
231     $self;
232     }
233    
234     =head1 LICENSE
235    
236     Copyright 2002 wakaba E<lt>w@suika.fam.cxE<gt>.
237    
238     This program is free software; you can redistribute it and/or modify
239     it under the terms of the GNU General Public License as published by
240     the Free Software Foundation; either version 2 of the License, or
241     (at your option) any later version.
242    
243     This program is distributed in the hope that it will be useful,
244     but WITHOUT ANY WARRANTY; without even the implied warranty of
245     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
246     GNU General Public License for more details.
247    
248     You should have received a copy of the GNU General Public License
249     along with this program; see the file COPYING. If not, write to
250     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
251     Boston, MA 02111-1307, USA.
252    
253     =head1 CHANGE
254    
255     See F<ChangeLog>.
256 wakaba 1.2 $Date: 2002/06/16 02:50:54 $
257 wakaba 1.1
258     =cut
259    
260     1;

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