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#-*- perl -*-
#
# Copyright (C) 2001,2002,2003,2004,2005,2006 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: Utils.pm,v 1.14 2005/08/19 11:15:24 fukachan Exp $
#
package Mail::Message::Utils;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
=head1 NAME
Mail::Message::Utils - utility functions for Mail::Message.
=head1 SYNOPSIS
use Mail::Message::Utils;
return Mail::Message::Utils::delete_subject_tag_like_string($str);
=head1 DESCRIPTION
utility function for message manipulation.
Currently only delete_subject_tag_like_string() is implemented.
=head1 METHODS
=head2 delete_subject_tag_like_string(str)
remove subject tag like string such as [elena 100].
=cut
# Descriptions: remove subject tag like string such as [elena 100].
# Arguments: STR($str)
# Side Effects: none
# Return Value: STR
sub delete_subject_tag_like_string
{
my ($str) = @_;
$str =~ s/^\s*\W[-\w]+.\s*\d+\W//g;
$str =~ s/\s+/ /g;
$str =~ s/^\s*//g;
return $str;
}
=head2 from_address_to_name($address)
extract gecos field in $address with shielding the real address.
=cut
# Descriptions: extract gecos field in $address.
# Arguments: STR($address)
# Side Effects: none
# Return Value: STR
sub from_address_to_name
{
my ($address) = @_;
my ($user, $phrase);
use Mail::Address;
my (@addrs) = Mail::Address->parse($address);
use Mail::Message::Encode::Perl;
my $encoder = new Mail::Message::Encode::Perl;
for my $addr (@addrs) {
if (defined( $addr->phrase() )) {
$phrase = $addr->phrase();
$phrase = $encoder->mime_header_decode_as_octets($phrase);
if ($phrase) {
return ($phrase);
}
}
$user = $addr->user();
}
return( $user ? "$user\@xxx.xxx.xxx.xxx" : $address );
}
=head2 get_time_from_header
return formated time of message Date:.
=cut
# Descriptions: return formated time of message Date:
# Arguments: OBJ($hdr) STR($type)
# Side Effects: none
# Return Value: STR
sub get_time_from_header
{
my ($hdr, $type) = @_;
if (defined($hdr) && $hdr->get('date')) {
use Time::ParseDate;
my $unixtime = parsedate( $hdr->get('date') );
my ($sec,$min,$hour,$mday,$mon,$year,$wday) = localtime( $unixtime );
if ($type eq 'yyyymm') {
return sprintf("%04d%02d", 1900 + $year, $mon + 1);
}
elsif ($type eq 'yyyy/mm') {
return sprintf("%04d/%02d", 1900 + $year, $mon + 1);
}
}
else {
warn("cannot pick up Date: field");
return '';
}
}
=head2 search_program($file [, $path_list ])
search C<$file>.
C<$path_list> is the ARRAY_REF.
It searches it among C<$path_list> if specified.
The default search path list is
('/usr/bin', '/bin', '/sbin', ' /usr/local/bin',
'/usr/gnu/bin', '/usr/pkg/bin')
=cut
# Descriptions: search executable named as $file
# The "path_list" is an ARRAY_REFERENCE.
# For example,
# search_program('md5');
# search_program('md5', [ '/bin', '/sbin' ]);
# Arguments: STR($file) ARRAY_REF($path_list)
# Side Effects: none
# Return Value: STR
sub search_program
{
my ($file, $path_list) = @_;
my $default_path_list = [
'/usr/bin',
'/bin',
'/sbin',
'/usr/local/bin',
'/usr/gnu/bin',
'/usr/pkg/bin'
];
$path_list ||= $default_path_list;
use File::Spec;
my $path;
for $path (@$path_list) {
my $prog = File::Spec->catfile($path, $file);
if (-x $prog) {
return $prog;
}
}
return wantarray ? () : undef;
}
=head1 CODING STYLE
See C<http://www.fml.org/software/FNF/> on fml coding style guide.
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2001,2002,2003,2004,2005,2006 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.
=head1 HISTORY
Mail::Message::Utils first appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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