WebPAC/Input/ISI.pm

package WebPAC::Input::ISI;

use warnings;
use strict;

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

=head1 NAME

WebPAC::Input::ISI - support for ISI Export Format

=head1 VERSION

Version 0.00

=cut

our $VERSION = '0.00';


=head1 SYNOPSIS

Open file in ISI export fromat

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

=head1 FUNCTIONS

=head2 new

Returns new low-level input API object

  my $input = new WebPAC::Input::ISI(
        path => '/path/to/ISI/records.txt'
        filter => sub {
                my ($l,$field_nr) = @_;
                # do something with $l which is line of input file
                return $l;
        },
  }

Options:

=over 4

=item path

path to ISI export file

=back

=cut

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

        my $arg = {@_};

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

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

        my ( $format, $version );

        my $line = <$fh>;
        chomp($line);
        if ( $line =~ /^FN\s(.+)$/) {
                $format = $1;
        } else {
                $log->logdie("first line of $arg->{path} has to be FN, but is: $line");
        }

        $line = <$fh>;
        chomp($line);
        if ( $line =~ /^VR\s(.+)$/) {
                $version = $1;
        } else {
                $log->logdie("second line of $arg->{path} has to be VN, but is: $line");
        }

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

        $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 = shift;

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

        my $rec;

        return $rec;
}


=head2 size

Return number of records in database

  my $size = $input->size;

=cut

sub size {
        my $self = shift;
        return 2;
}

=head1 AUTHOR

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

=head1 COPYRIGHT & LICENSE

Copyright 2007 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::ISI
1	dpavlin	898	package WebPAC::Input::ISI;
2
3			use warnings;
4			use strict;
5
6			use WebPAC::Input;
7			use base qw/WebPAC::Common/;
8
9			=head1 NAME
10
11			WebPAC::Input::ISI - support for ISI Export Format
12
13			=head1 VERSION
14
15			Version 0.00
16
17			=cut
18
19			our $VERSION = '0.00';
20
21
22			=head1 SYNOPSIS
23
24			Open file in ISI export fromat
25
26			my $input = new WebPAC::Input::ISI(
27			path => '/path/to/ISI/records.txt',
28			);
29
30			=head1 FUNCTIONS
31
32			=head2 new
33
34			Returns new low-level input API object
35
36			my $input = new WebPAC::Input::ISI(
37			path => '/path/to/ISI/records.txt'
38			filter => sub {
39			my ($l,$field_nr) = @_;
40			# do something with $l which is line of input file
41			return $l;
42			},
43			}
44
45			Options:
46
47			=over 4
48
49			=item path
50
51			path to ISI export file
52
53			=back
54
55			=cut
56
57			sub new {
58			my $class = shift;
59			my $self = {@_};
60			bless($self, $class);
61
62			my $arg = {@_};
63
64			my $log = $self->_get_logger();
65
66			open( my $fh, '<', $arg->{path} ) \|\| $log->logconfess("can't open $arg->{path}: $!");
67
68			my ( $format, $version );
69
70			my $line = <$fh>;
71			chomp($line);
72			if ( $line =~ /^FN\s(.+)$/) {
73			$format = $1;
74			} else {
75			$log->logdie("first line of $arg->{path} has to be FN, but is: $line");
76			}
77
78			$line = <$fh>;
79			chomp($line);
80			if ( $line =~ /^VR\s(.+)$/) {
81			$version = $1;
82			} else {
83			$log->logdie("second line of $arg->{path} has to be VN, but is: $line");
84			}
85
86			$log->info("opening $format $version database '$arg->{path}'");
87
88			$self ? return $self : return undef;
89			}
90
91			=head2 fetch_rec
92
93			Return record with ID C<$mfn> from database
94
95			my $rec = $input->fetch_rec( $mfn, $filter_coderef);
96
97			=cut
98
99			sub fetch_rec {
100			my $self = shift;
101
102			my ($mfn, $filter_coderef) = @_;
103
104			my $rec;
105
106			return $rec;
107			}
108
109
110			=head2 size
111
112			Return number of records in database
113
114			my $size = $input->size;
115
116			=cut
117
118			sub size {
119			my $self = shift;
120			return 2;
121			}
122
123			=head1 AUTHOR
124
125			Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
126
127			=head1 COPYRIGHT & LICENSE
128
129			Copyright 2007 Dobrica Pavlinusic, All Rights Reserved.
130
131			This program is free software; you can redistribute it and/or modify it
132			under the same terms as Perl itself.
133
134			=cut
135
136			1; # End of WebPAC::Input::ISI