File Coverage

lib/Sisimai/Mail.pm

Criterion	Covered	Total	%
statement	37	40	92.5
branch	8	12	66.6
condition	2	3	66.6
subroutine	5	6	83.3
pod	2	2	100.0
total	54	63	85.7

package Sisimai::Mail;
use feature ':5.10';
use strict;
use warnings;
use Class::Accessor::Lite (
    'new' => 0,
    'ro'  => [
        'path',     # [String] path to mbox or Maildir/
        'kind',     # [String] Data type: mailbox, maildir, stdin, or memory
    ],
    'rw'  => [
        'data',     # [Sisimai::Mail::[Mbox,Maildir,Memory,STDIO] Object
    ]
);

sub new {
    # Constructor of Sisimai::Mail
    # @param    [String] argv1  Path to mbox or Maildir/
    # @return   [Sisimai::Mail] Object
    #           [Undef]         The argument is wrong
    my $class = shift;
    my $argv1 = shift;
    my $klass = undef;
    my $loads = 'Sisimai/Mail/';
    my $param = { 'kind' => '', 'data' => undef, 'path' => $argv1 };

    # The argumenet is a mailbox or a Maildir/.
    if( -f $argv1 ) {
        # The argument is a file, it is an mbox or email file in Maildir/
        $klass  = __PACKAGE__.'::Mbox';
        $loads .= 'Mbox.pm';
        $param->{'kind'} = 'mailbox';
        $param->{'path'} = $argv1;

    } elsif( -d $argv1 ) {
        # The agument is not a file, it is a Maildir/
        $klass  = __PACKAGE__.'::Maildir';
        $loads .= 'Maildir.pm';
        $param->{'kind'} = 'maildir';

    } else {
        # The argumen1 neither a mailbox nor a Maildir/.
        if( ref($argv1) eq 'GLOB' || $argv1 eq 'STDIN' ) {
            # Read from STDIN
            $klass  = __PACKAGE__.'::STDIN';
            $loads .= 'STDIN.pm';
            $param->{'kind'} = 'stdin';

        } elsif( ref($argv1) eq 'SCALAR' ) {
            # Read from a variable as a scalar reference
            $klass  = __PACKAGE__.'::Memory';
            $loads .= 'Memory.pm';
            $param->{'kind'} = 'memory';
            $param->{'path'} = 'MEMORY';
        }
    }
    return undef unless $klass;

    require $loads;
    $param->{'data'} = $klass->new($argv1);

    return bless($param, __PACKAGE__);
}

sub read {
    # Alias method of Sisimai::Mail::*->read()
    # @return   [String] Contents of mbox/Maildir
    my $self = shift;
    return undef unless ref $self->{'data'};
    return $self->{'data'}->read;
}

1;
__END__