WebPAC/Input/MARC.pm

package WebPAC::Input::MARC;

use warnings;
use strict;

use blib;

use MARC::Fast;

=head1 NAME

WebPAC::Input::MARC - support for MARC database files

=head1 VERSION

Version 0.02

=cut

our $VERSION = '0.02';


=head1 SYNOPSIS

Open USMARC, Unimarc or any other file format that has same internal
structure using C<MARC::Fast>.

 my $marc = new WebPAC::Input::MARC();
 $marc->open( path => '/path/to/marc.iso' );

=head1 FUNCTIONS

=head2 open_db

Returns handle to database

  my $db = $open_db(
        path => '/path/to/marc.iso'
  }

=cut

sub open_db {
        my $self = shift;

        my $arg = {@_};

        my $log = $self->_get_logger();

        $log->info("opening MARC database '$arg->{path}'");

        my $db = new MARC::Fast( marcdb => $arg->{path});
        my $db_size = $db->count - 1;   # FIXME

        $self->{size} = $db_size;

        return ($db, $db_size);
}

=head2 fetch_rec

Return record with ID C<$mfn> from database

  my $rec = $self->fetch_rec( $db, $mfn );

}

=cut

sub fetch_rec {
        my $self = shift;

        my ($db, $mfn) = @_;

        if ($mfn > $self->{size}) {
                $self->_get_logger()->warn("seek beyond database size $self->{size} to $mfn");
        } else {
                my $row = $db->fetch($mfn);
                push @{$row->{'000'}}, $mfn;
                return $row;
        }
}

=head1 AUTHOR

Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>

=head1 COPYRIGHT & LICENSE

Copyright 2005 Dobrica Pavlinusic, All Rights Reserved.

This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.

=cut

1; # End of WebPAC::Input::MARC
1	package WebPAC::Input::MARC;
2
3	use warnings;
4	use strict;
5
6	use blib;
7
8	use MARC::Fast;
9
10	=head1 NAME
11
12	WebPAC::Input::MARC - support for MARC database files
13
14	=head1 VERSION
15
16	Version 0.02
17
18	=cut
19
20	our $VERSION = '0.02';
21
22
23	=head1 SYNOPSIS
24
25	Open USMARC, Unimarc or any other file format that has same internal
26	structure using C<MARC::Fast>.
27
28	my $marc = new WebPAC::Input::MARC();
29	$marc->open( path => '/path/to/marc.iso' );
30
31	=head1 FUNCTIONS
32
33	=head2 open_db
34
35	Returns handle to database
36
37	my $db = $open_db(
38	path => '/path/to/marc.iso'
39	}
40
41	=cut
42
43	sub open_db {
44	my $self = shift;
45
46	my $arg = {@_};
47
48	my $log = $self->_get_logger();
49
50	$log->info("opening MARC database '$arg->{path}'");
51
52	my $db = new MARC::Fast( marcdb => $arg->{path});
53	my $db_size = $db->count - 1; # FIXME
54
55	$self->{size} = $db_size;
56
57	return ($db, $db_size);
58	}
59
60	=head2 fetch_rec
61
62	Return record with ID C<$mfn> from database
63
64	my $rec = $self->fetch_rec( $db, $mfn );
65
66	}
67
68	=cut
69
70	sub fetch_rec {
71	my $self = shift;
72
73	my ($db, $mfn) = @_;
74
75	if ($mfn > $self->{size}) {
76	$self->_get_logger()->warn("seek beyond database size $self->{size} to $mfn");
77	} else {
78	my $row = $db->fetch($mfn);
79	push @{$row->{'000'}}, $mfn;
80	return $row;
81	}
82	}
83
84	=head1 AUTHOR
85
86	Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
87
88	=head1 COPYRIGHT & LICENSE
89
90	Copyright 2005 Dobrica Pavlinusic, All Rights Reserved.
91
92	This program is free software; you can redistribute it and/or modify it
93	under the same terms as Perl itself.
94
95	=cut
96
97	1; # End of WebPAC::Input::MARC