WebPAC/Input/TSV.pm

package WebPAC::Input::TSV;

use warnings;
use strict;

use WebPAC::Input;
use base qw/WebPAC::Common/;

use Encode;
use Data::Dump qw/dump/;

=head1 NAME

WebPAC::Input::TSV - tab separated values

=cut

=head1 FUNCTIONS

=head2 new

  my $input = new WebPAC::Input::TSV(
        path => '/path/to/records.tsv',
  );

=back

Default encoding of input file is C<utf-8>

=cut

sub new {
        my $class = shift;
        my $self = {@_};
        bless($self, $class);

        my $arg = {@_};

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

        open( my $fh, '<:raw', $arg->{path} ) || $log->logconfess("can't open $arg->{path}: $!");

        $self->{size} = 0;

        while ( my $line = <$fh> ) {

                my $rec;
                $rec->{'000'} = [ ++$self->{size} ];

                my $col = 'A';
                $rec->{ $col++ } = Encode::decode_utf8( $_ ) foreach split(/\t/,$line);

                push @{ $self->{_rec} }, $rec;

        };

        $log->debug("loaded ", $self->size, " records");

        $self ? return $self : return undef;
}

=head2 fetch_rec

Return record with ID C<$mfn> from database

  my $rec = $input->fetch_rec( $mfn, $filter_coderef );

=cut

sub fetch_rec {
        my ( $self, $mfn, $filter_coderef ) = @_;

        return $self->{_rec}->[$mfn-1];
}


=head2 size

Return number of records in database

  my $size = $input->size;

=cut

sub size {
        my $self = shift;
        return $self->{size};
}

=head1 AUTHOR

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

=head1 COPYRIGHT & LICENSE

Copyright 2010 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::TSV
1	dpavlin	1343	package WebPAC::Input::TSV;
2
3			use warnings;
4			use strict;
5
6			use WebPAC::Input;
7			use base qw/WebPAC::Common/;
8
9			use Encode;
10			use Data::Dump qw/dump/;
11
12			=head1 NAME
13
14			WebPAC::Input::TSV - tab separated values
15
16			=cut
17
18			=head1 FUNCTIONS
19
20			=head2 new
21
22			my $input = new WebPAC::Input::TSV(
23			path => '/path/to/records.tsv',
24			);
25
26			=back
27
28			Default encoding of input file is C<utf-8>
29
30			=cut
31
32			sub new {
33			my $class = shift;
34			my $self = {@_};
35			bless($self, $class);
36
37			my $arg = {@_};
38
39			my $log = $self->_get_logger();
40
41			open( my $fh, '<:raw', $arg->{path} ) \|\| $log->logconfess("can't open $arg->{path}: $!");
42
43			$self->{size} = 0;
44
45			while ( my $line = <$fh> ) {
46
47			my $rec;
48			$rec->{'000'} = [ ++$self->{size} ];
49
50			my $col = 'A';
51			$rec->{ $col++ } = Encode::decode_utf8( $_ ) foreach split(/\t/,$line);
52
53			push @{ $self->{_rec} }, $rec;
54
55			};
56
57			$log->debug("loaded ", $self->size, " records");
58
59			$self ? return $self : return undef;
60			}
61
62			=head2 fetch_rec
63
64			Return record with ID C<$mfn> from database
65
66			my $rec = $input->fetch_rec( $mfn, $filter_coderef );
67
68			=cut
69
70			sub fetch_rec {
71			my ( $self, $mfn, $filter_coderef ) = @_;
72
73			return $self->{_rec}->[$mfn-1];
74			}
75
76
77			=head2 size
78
79			Return number of records in database
80
81			my $size = $input->size;
82
83			=cut
84
85			sub size {
86			my $self = shift;
87			return $self->{size};
88			}
89
90			=head1 AUTHOR
91
92			Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
93
94			=head1 COPYRIGHT & LICENSE
95
96			Copyright 2010 Dobrica Pavlinusic, All Rights Reserved.
97
98			This program is free software; you can redistribute it and/or modify it
99			under the same terms as Perl itself.
100
101			=cut
102
103			1; # End of WebPAC::Input::TSV