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	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