139 lines
2.9 KiB
Perl
139 lines
2.9 KiB
Perl
package Sisimai::Mail::STDIN;
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use feature ':5.10';
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use strict;
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use warnings;
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use Class::Accessor::Lite;
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use IO::Handle;
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my $roaccessors = [
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'path', # [String] Path to mbox
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'name', # [String] File name of the mbox
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'size', # [Integer] File size of the mbox
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];
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my $rwaccessors = [
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'offset', # [Integer] Offset position for seeking
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'handle', # [IO::File] File handle
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];
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Class::Accessor::Lite->mk_accessors(@$rwaccessors);
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Class::Accessor::Lite->mk_ro_accessors(@$roaccessors);
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sub new {
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# Constructor of Sisimai::Mail::STDIN
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# @return [Sisimai::Mail::STDIN] Object
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my $class = shift;
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my $param = {
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'path' => '<STDIN>',
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'name' => '<STDIN>',
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'size' => undef,
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'offset' => 0,
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'handle' => IO::Handle->new->fdopen(fileno(STDIN), 'r'),
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};
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return bless($param, __PACKAGE__);
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}
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sub read {
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# Mbox reader, works as a iterator.
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# @return [String] Contents of mbox
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my $self = shift;
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return undef unless -T $self->{'handle'};
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my $readhandle = $self->{'handle'};
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my $readbuffer = '';
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eval {
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$readhandle = $self->{'handle'}->fdopen(fileno(STDIN), 'r') unless eof $readhandle;
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while( my $r = <$readhandle> ) {
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# Read an email from the mailbox file
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last if( $readbuffer && substr($r, 0, 5) eq 'From ' );
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$readbuffer .= $r;
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}
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};
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return $readbuffer;
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}
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1;
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__END__
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=encoding utf-8
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=head1 NAME
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Sisimai::Mail::STDIN - Mailbox reader
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=head1 SYNOPSIS
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use Sisimai::Mail::STDIN;
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my $mailbox = Sisimai::Mail::STDIN->new();
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while( my $r = $mailbox->read ) {
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print $r; # print data read from STDIN
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}
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$mailbox->close;
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=head1 DESCRIPTION
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Sisimai::Mail::STDIN read email data from STDIN.
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=head1 CLASS METHODS
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=head2 C<B<new()>>
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C<new()> is a constructor of Sisimai::Mail::STDIN
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my $mailbox = Sisimai::Mail::STDIN->new();
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=head1 INSTANCE METHODS
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=head2 C<B<path()>>
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C<path()> returns "<STDIN>"
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print $mailbox->path; # "<STDIN>"
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=head2 C<B<name()>>
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C<name()> returns "<STDIN>"
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print $mailbox->name; # "<STDIN>"
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=head2 C<B<size()>>
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C<size()> returns "undef"
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print $mailbox->size; # undef
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=head2 C<B<offset()>>
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C<offset()> returns offset position for seeking the mbox. The value of "offset"
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is bytes which have already read.
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print $mailbox->offset; # 0
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=head2 C<B<handle()>>
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C<handle()> returns file handle object (IO::Handle) of the mbox.
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$mailbox->handle->close;
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=head2 C<B<read()>>
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C<read()> works as a iterator for reading each email in the mbox.
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my $mailbox = Sisimai::Mail->new();
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while( my $r = $mailbox->read ) {
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print $r; # print data read from STDIN
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}
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=head1 AUTHOR
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azumakuniyuki
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=head1 COPYRIGHT
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Copyright (C) 2014-2016,2018 azumakuniyuki, All rights reserved.
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=head1 LICENSE
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This software is distributed under The BSD 2-Clause License.
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=cut
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