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#-*- perl -*-
#
# Copyright (C) 2001 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: Message.pm,v 1.3 2001/11/10 09:04:28 fukachan Exp $
#
package Mail::ThreadTrack::Print::Message;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
use Mail::ThreadTrack::Print::Utils qw(decode_mime_string STR2EUC);
sub message_summary
{
my ($self, $file) = @_;
my (@header) = ();
my $buf = '';
my $line = $self->{ _article_summary_lines } || 3;
my $mode = $self->get_mode || 'text';
my $padding = $mode eq 'text' ? ' ' : '';
use FileHandle;
my $fh = new FileHandle $file;
if (defined $fh) {
LINE:
while (<$fh>) {
# nuke useless lines
next LINE if /^\>/;
next LINE if /^\-/;
# header
if (1 ../^$/) {
push(@header, $_);
}
# body part
else {
next LINE if /^\s*$/;
# ignore mail header like patterns
next LINE if /^X-[-A-Za-z0-9]+:/i;
next LINE if /^Return-[-A-Za-z0-9]+:/i;
next LINE if /^Mime-[-A-Za-z0-9]+:/i;
next LINE if /^Content-[-A-Za-z0-9]+:/i;
next LINE if /^(To|From|Subject|Reply-To|Received):/i;
next LINE if /^(Message-ID|Date):/i;
# pick up effetive the first $line lines
if (_valid_buf($_)) {
$line--;
$buf .= $padding. $_;
}
last LINE if $line < 0;
}
}
close($fh);
if (defined $self->{ _no_header_summary }) {
return STR2EUC( $buf );
}
else {
use Mail::Header;
my $h = new Mail::Header \@header;
my $header_info = $self->header_summary({
header => $h,
padding => $padding,
});
return STR2EUC( $header_info ."\n". $buf );
}
}
else {
return undef;
}
}
sub _valid_buf
{
my ($str) = @_;
$str = STR2EUC( $str );
if ($str =~ /^[\>\#\|\*\:\;\=]/) {
return 0;
}
elsif ($str =~ /^in /) { # quotation ?
return 0;
}
elsif ($str =~ /\w+\@\w+/) { # mail address ?
return 0;
}
elsif ($str =~ /^\S+\>/) { # quotation ?
return 0;
}
return 1;
}
sub _delete_subject_tag_like_string
{
my ($str) = @_;
if (defined $str) {
use Mail::Message::Utils;
return Mail::Message::Utils::remove_subject_tag_like_string($str);
}
else {
return undef;
}
}
sub header_summary
{
my ($self, $args) = @_;
my $date = $args->{ header }->get('date');
my $from = $args->{ header }->get('from');
my $subject = $args->{ header }->get('subject');
my $padding = $args->{ padding } || ' ';
if (defined $subject) {
$subject = decode_mime_string($subject, { charset => 'euc-japan' });
$subject =~ s/\n/ /g;
$subject = _delete_subject_tag_like_string($subject);
$subject =~ s/[\s\n]*$//g;
}
if (defined $from) {
$from = $self->_who_of_address( $from );
$from =~ s/\n/ /g;
$from =~ s/[\s\n]*$//g;
}
# return buffer
my $r = $padding. $date;
$r .= $padding. "$subject, $from\n";
return STR2EUC( $r );
}
sub _who_of_address
{
my ($self, $address) = @_;
my ($user);
use Mail::Address;
my (@addrs) = Mail::Address->parse($address);
for my $addr (@addrs) {
if (defined( $addr->phrase() )) {
my $phrase = decode_mime_string( $addr->phrase(), {
charset => 'euc-japan',
});
if ($phrase) {
return($phrase);
}
}
$user = $addr->user();
}
if ($self->get_mode() eq 'html') {
return( $user ? "$user\@xxx.xxx.xxx.xxx" : $address );
}
else {
return $address;
}
}
1;
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