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|
package Mail::Box::MH::Index;
use vars '$VERSION';
$VERSION = '2.068';
use base 'Mail::Reporter';
use strict;
use warnings;
use Mail::Message::Head::Subset;
use Carp;
#-------------------------------------------
sub init($)
{ my ($self, $args) = @_;
$self->SUPER::init($args);
$self->{MBMI_filename} = $args->{filename}
or croak "No index filename specified.";
$self->{MBMI_head_wrap} = $args->{head_wrap} || 72;
$self->{MBMI_head_type}
= $args->{head_type} || 'Mail::Message::Head::Subset';
$self;
}
#-------------------------------------------
sub filename() {shift->{MBMI_filename}}
#-------------------------------------------
sub write(@)
{ my $self = shift;
my $index = $self->filename or return $self;
# Remove empty index-file.
unless(@_)
{ unlink $index;
return $self;
}
local *INDEX;
open INDEX, '>', $index
or return $self;
my $fieldtype = 'Mail::Message::Field';
my $written = 0;
foreach my $msg (@_)
{ my $head = $msg->head;
next if $head->isDelayed && $head->isa('Mail::Message::Head::Subset');
my $filename = $msg->filename;
print INDEX "X-MailBox-Filename: $filename\n"
, 'X-MailBox-Size: ', (-s $filename), "\n";
$head->print(\*INDEX);
$written++;
}
close INDEX;
$written or unlink $index;
$self;
}
#-------------------------------------------
sub append(@)
{ my $self = shift;
my $index = $self->filename or return $self;
local *INDEX;
open INDEX, '>>', $index
or return $self;
my $fieldtype = 'Mail::Message::Field';
foreach my $msg (@_)
{ my $head = $msg->head;
next if $head->isDelayed && $head->isa('Mail::Message::Head::Subset');
my $filename = $msg->filename;
print INDEX "X-MailBox-Filename: $filename\n"
, 'X-MailBox-Size: ', (-s $filename), "\n";
$head->print(\*INDEX);
}
close INDEX;
$self;
}
#-------------------------------------------
sub read(;$)
{ my $self = shift;
my $filename = $self->{MBMI_filename};
my $parser = Mail::Box::Parser->new
( filename => $filename
, mode => 'r'
) or return;
my @options = ($self->logSettings, wrap_length => $self->{MBMI_head_wrap});
my $type = $self->{MBMI_head_type};
my $index_age= -M $filename;
my %index;
while(my $head = $type->new(@options)->read($parser))
{
# cleanup the index from files which were renamed
my $msgfile = $head->get('x-mailbox-filename');
my $size = int $head->get('x-mailbox-size');
next unless -f $msgfile && -s _ == $size;
next if defined $index_age && -M _ < $index_age;
# keep this one
$index{$msgfile} = $head;
}
$parser->stop;
$self->{MBMI_index} = \%index;
$self;
}
#-------------------------------------------
sub get($)
{ my ($self, $msgfile) = @_;
$self->{MBMI_index}{$msgfile};
}
#-------------------------------------------
1;
|
