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=head1 NAME
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Bunshin --- A shimbun implemrntion written in Perl
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=cut
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package Bunshin;
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use strict;
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use vars qw($DEBUG $MYNAME $VERSION);
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$VERSION=do{my @r=(q$Revision: 1.2 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
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$MYNAME = 'Bunshin';
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$DEBUG = 0;
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use FileHandle;
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require Message::Entity;
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require Message::Util;
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require Message::Field::Date;
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sub new ($;%) {
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my $class = shift;
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my $self = bless {}, $class;
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$self->{fmt2str} = Message::Util::make_clone
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($Message::Field::Date::DEFAULT{-fmt2str});
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$self;
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}
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=item $b->msg_regex ($regex)
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Set regex used to cut a message.
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=cut
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sub set_regex ($$$) {
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my $self = shift;
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my $name = shift;
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my $regex = shift;
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$regex =~ s/\x20/\\x20/g;
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$regex =~ s/\x09/\\x09/g;
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$regex =~ s/\x0D(?!\x0A)/\x0D\x0A/g;
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$regex =~ s/(?<!\x0D)\x0A/\x0D\x0A/g;
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$regex =~ s/\x0D/\\x0D/g;
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$regex =~ s/\x0A/\\x0A/g;
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$regex =~ s/\x23/\\x23/g;
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$self->{'regex_'.$name} = $regex;
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}
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sub set_hook_function ($$\&) {
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my $self = shift;
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my $name = shift;
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my $function = shift;
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$self->{'hook_'.$name} = $function;
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}
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sub set_format ($$\&) {
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my $self = shift;
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my $name = shift;
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my $function = shift;
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$self->{fmt2str}->{$name} = $function;
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}
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sub set_elements ($$@) {
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my $self = shift;
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my $name = shift;
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$self->{'elements_'.$name} = \@_;
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}
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sub set_source ($%) {
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my $self = shift;
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my %option = @_;
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if (defined $option{value}) {
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$self->{source} = $option{value};
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} elsif ($option{uri}) {
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require Message::Field::UA;
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require LWP::UserAgent;
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my $ua = Message::Field::UA->new;
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$ua->add_our_name;
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$ua->add ('libwww-perl' => $LWP::VERSION);
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my $lwp = LWP::UserAgent->new;
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$lwp->agent ($ua->stringify);
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my $req = HTTP::Request->new (GET => $option{uri});
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my $res = $lwp->request ($req);
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my $c = $self->{hook_code_conversion} || \&_code_conversion;
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$self->{source} = &$c ($self, $res->content, \%option);
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$self->default_parameter (base_uri => $option{uri});
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} elsif ($option{file}) {
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my $f = new FileHandle $option{file} => 'r';
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Carp::croak "set_source: $option{file}: $!" unless defined $f;
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my $c = $self->{hook_code_conversion} || \&_code_conversion;
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local $/ = undef;
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$self->{source} = &$c ($self, $f->getline, \%option);
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} else {
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Carp::croak "set_source: $_[0]: Unsupported data source type";
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}
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$self->{source} =~ s/\x0D(?!\x0A)/\x0D\x0A/g;
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$self->{source} =~ s/(?<!\x0D)\x0A/\x0D\x0A/g;
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$self;
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}
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## $self->_code_conversion ($string, \%option)
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sub _code_conversion ($$\%) {
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$_[1];
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}
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sub make_msgs ($) {
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my $self = shift;
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my $s = $self->{source};
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my $f = $self->{hook_make_msg} || \&_make_a_msg;
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my @msg;
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my %param = %{$self->{default_parameter}};
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if ($self->{regex_metainfo} && ref $self->{elements_metainfo}) {
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$s =~ s{ $self->{regex_metainfo} }{
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no strict 'refs';
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for my $i (0..$#{$self->{elements_metainfo}}) {
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$param{$self->{elements_metainfo}->[$i]} = ${$i+1};
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}
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$&;
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}esx;
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}
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$s =~ s{ $self->{regex_message} }{
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no strict 'refs';
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my %p = %param;
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for my $i (0..$#{$self->{elements_message}}) {
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$p{$self->{elements_message}->[$i]} = ${$i+1};
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}
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my $msg = &$f ($self, %p);
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push @msg, $msg;
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}gesx;
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@msg;
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}
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## Default function for "make_msg"
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sub _make_a_msg ($@) {
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my $self = shift;
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my %p = @_;
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my $msg = new Message::Entity
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-fill_date => 0,
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-fill_msgid => 0,
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-fill_ua_name => 'x-shimbun-agent',
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-parse_all => 1,
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;
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my $hdr = $msg->header;
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## Originator and date
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my $from = $hdr->field ('from')->add ($p{from_mail} || 'foo@bar.invalid');
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$from->display_name ($p{from_name}) if length $p{from_name};
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my $date = $hdr->field ('date');
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$p{date_year} ||= (gmtime)[5];
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$date->set_datetime (@p{qw/date_year date_month
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date_day date_hour date_minute date_second/},
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zone => $p{date_zone});
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$hdr->add (x_uri => $p{from_uri}) if $p{from_uri};
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if ($p{from_face}) {
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$msg->header->field ('x-face')->value ($p{from_face});
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} elsif ($p{faces}->{$p{from_mail}}) {
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$msg->header->field ('x-face')->value ($p{faces}->{$p{from_mail}});
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} elsif ($p{list_face}) {
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$msg->header->field ('x-face')->value ($p{list_face});
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}
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## Message attribute
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if (length $p{msg_id}) {
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$hdr->add ('message-id' => $p{msg_id});
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} elsif ($p{msg_id_from} || $p{msg_id_right} || $p{list_id}) {
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my $c = $p{msg_count};
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$c = '.d'.(0+$date) unless defined $p{msg_count};
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my $mid;
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if ($p{msg_id_from}) {
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$mid = sprintf '<msg%s.BS%%%s%%%s>', $c, $p{list_id}, $p{msg_id_from};
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} elsif ($p{msg_id_right}) {
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$mid = sprintf '<msg%s.BS%%%s%%list@%s>', $c, $p{list_id}, $p{msg_id_right};
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} else { #if ($p{list_id}) {
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$mid = sprintf '<msg%s.BS%%list@%s>', $c, $p{list_id};
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}
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$hdr->add (($DEBUG?'x-':'').'message-id' => $mid);
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}
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if (length $p{subject}) {
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$hdr->add (subject => $p{subject});
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} elsif (length $p{DEFAULT_subject}) {
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$hdr->add (subject => $p{DEFAULT_subject});
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}
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my $a;
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for (grep {/^misc_/} keys %p) {
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$a = $hdr->field ('content-x-properties') unless ref $a;
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my $name = substr ($_, 5);
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$name =~ tr/_/-/;
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if ($p{base_uri} && /uri/ && length $p{$_}) {
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require URI::WithBase;
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$a->add ($name => URI::WithBase->new ($p{$_}, $p{base_uri})->abs);
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} else {
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$a->add ($name => $p{$_}) if length $p{$_};
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}
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}
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## Body and body information
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my $b = $self->{hook_msg_body} || \&_make_a_msg_body;
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&$b ($self, $msg, $p{body}, \%p);
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## List information
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if (length $p{list_id}) {
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my $lid = $hdr->field ('list-id');
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$lid->value ($p{list_id});
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$lid->display_name ($p{list_name}) if length $p{list_name};
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}
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$hdr->add (x_mail_count => $p{msg_count}) if defined $p{msg_count};
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$hdr->add (x_ml_info => $p{list_info}) if defined $p{list_info};
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if ($p{base_uri}) {
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my $uri = $hdr->add (x_uri => '');
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$uri->value ($p{base_uri});
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$uri->display_name ($p{list_name}) if length $p{list_name};
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}
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if ($p{urn_template}) {
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my $urn = $self->Message::Field::Date::_date2str ({
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format_template => $p{urn_template},
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date_time => $date->unix_time,
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zone => $date->zone,
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fmt2str => $self->{fmt2str},
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}, \%p);
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$hdr->add ('x-uri')->value ($urn);
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}
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## Additional information
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my $u = $self->{hook_msg_header_add};
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&$u ($self, $msg, \%p) if ref $u;
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$hdr->field ('x-shimbun-agent')->add ($MYNAME => $VERSION);
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$msg;
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}
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sub _make_a_msg_body ($$$\%) {
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my $self = shift;
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my ($msg, $body, $param) = @_;
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if (length $body) {
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$body =~ s/(?<!\x0D\x0A)\z/\x0D\x0A/s;
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$msg->body ($body);
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}
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}
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sub default_parameter ($@) {
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my $self = shift;
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if (@_ == 1) {
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return $self->{default_parameter}->{ $_[0] };
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}
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while (my ($name, $value) = splice (@_, 0, 2)) {
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$self->{default_parameter}->{$name} = $value;
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}
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$self;
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}
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=head1 LICENSE
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Copyright 2002 wakaba E<lt>w@suika.fam.cxE<gt>.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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=head1 CHANGE
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See F<ChangeLog>.
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$Date: 2002/06/16 10:46:29 $
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=cut
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1;
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