1 |
dpavlin |
1089 |
package WebPAC::Input::EBSCO; |
2 |
|
|
|
3 |
|
|
use warnings; |
4 |
|
|
use strict; |
5 |
|
|
|
6 |
|
|
use WebPAC::Input; |
7 |
|
|
use base qw/WebPAC::Common/; |
8 |
|
|
|
9 |
|
|
use Data::Dump qw/dump/; |
10 |
|
|
|
11 |
|
|
=head1 NAME |
12 |
|
|
|
13 |
|
|
WebPAC::Input::EBSCO - support for EBSCO text export |
14 |
|
|
|
15 |
|
|
=head1 VERSION |
16 |
|
|
|
17 |
|
|
Version 0.01 |
18 |
|
|
|
19 |
|
|
=cut |
20 |
|
|
|
21 |
|
|
our $VERSION = '0.01'; |
22 |
|
|
|
23 |
|
|
=head1 SYNOPSIS |
24 |
|
|
|
25 |
|
|
Open file in EBSCO text export fromat |
26 |
|
|
|
27 |
|
|
my $input = new WebPAC::Input::EBSCO( |
28 |
|
|
path => '/path/to/ebsco.txt', |
29 |
|
|
); |
30 |
|
|
|
31 |
|
|
=head1 FUNCTIONS |
32 |
|
|
|
33 |
|
|
=head2 new |
34 |
|
|
|
35 |
|
|
Returns new low-level input API object |
36 |
|
|
|
37 |
|
|
my $input = new WebPAC::Input::EBSCO( |
38 |
|
|
path => '/path/to/ebsco.txt', |
39 |
|
|
filter => sub { |
40 |
|
|
my ($l,$field_nr) = @_; |
41 |
|
|
# do something with $l which is line of input file |
42 |
|
|
return $l; |
43 |
|
|
}, |
44 |
|
|
} |
45 |
|
|
|
46 |
|
|
Options: |
47 |
|
|
|
48 |
|
|
=over 4 |
49 |
|
|
|
50 |
|
|
=item path |
51 |
|
|
|
52 |
|
|
path to EBSCO export file |
53 |
|
|
|
54 |
|
|
=back |
55 |
|
|
|
56 |
|
|
=cut |
57 |
|
|
|
58 |
|
|
my $subfields = { |
59 |
|
|
'CR' => sub { |
60 |
|
|
my @v = split(/, /, shift); |
61 |
|
|
my $f; |
62 |
|
|
foreach ( qw/author year reference volume page/ ) { |
63 |
|
|
if ( my $tmp = shift @v ) { |
64 |
|
|
$f->{$_} = $tmp; |
65 |
|
|
} |
66 |
|
|
} |
67 |
|
|
if ( $f->{author} =~ /^\*(.+)/ ) { |
68 |
|
|
delete $f->{author}; |
69 |
|
|
$f->{institution} = $1; |
70 |
|
|
} |
71 |
|
|
return $f; |
72 |
|
|
}, |
73 |
|
|
}; |
74 |
|
|
|
75 |
|
|
sub new { |
76 |
|
|
my $class = shift; |
77 |
|
|
my $self = {@_}; |
78 |
|
|
bless($self, $class); |
79 |
|
|
|
80 |
|
|
my $arg = {@_}; |
81 |
|
|
|
82 |
|
|
my $log = $self->_get_logger(); |
83 |
|
|
|
84 |
|
|
open( my $fh, '<', $arg->{path} ) || $log->logconfess("can't open $arg->{path}: $!"); |
85 |
|
|
|
86 |
|
|
$log->info("reading '$arg->{path}'"); |
87 |
|
|
|
88 |
|
|
my $tag; |
89 |
|
|
my $rec; |
90 |
|
|
|
91 |
|
|
$self->{size} = 0; |
92 |
|
|
|
93 |
|
|
while( my $line = <$fh> ) { |
94 |
|
|
chomp($line); |
95 |
|
|
# remove extra spaces at end (?!) |
96 |
|
|
$line =~ s/\s+$//; |
97 |
|
|
|
98 |
|
|
my $v; |
99 |
|
|
|
100 |
|
|
if ( $line =~ m/^-+$/ ) { |
101 |
|
|
# join tags |
102 |
|
|
# foreach ( qw/AB DE ID TI/ ) { |
103 |
|
|
# $rec->{$_} = join(' ', @{ $rec->{$_} }) if defined $rec->{$_}; |
104 |
|
|
# } |
105 |
|
|
$rec->{'000'} = [ ++$self->{size} ]; |
106 |
|
|
push @{ $self->{_rec} }, $rec; |
107 |
|
|
$rec = {}; |
108 |
|
|
} elsif ( $line =~ /^(\S\S)-\s(.+)$/ ) { |
109 |
|
|
$tag = $1; |
110 |
|
|
$v = $2; |
111 |
|
|
} else { |
112 |
|
|
warn "### skip: $line\n"; |
113 |
|
|
} |
114 |
|
|
|
115 |
|
|
if ( defined $v ) { |
116 |
|
|
$v = $subfields->{$tag}->($v) if defined $subfields->{$tag}; |
117 |
|
|
|
118 |
|
|
$log->debug("$tag: ", sub { dump( $v ) }); |
119 |
|
|
push @{ $rec->{$tag} }, $v; |
120 |
|
|
} |
121 |
|
|
|
122 |
|
|
} |
123 |
|
|
|
124 |
|
|
# save last rec |
125 |
|
|
$rec->{'000'} = [ ++$self->{size} ]; |
126 |
|
|
push @{ $self->{_rec} }, $rec; |
127 |
|
|
|
128 |
|
|
$log->debug("loaded ", $self->size, " records"); |
129 |
|
|
|
130 |
|
|
$self ? return $self : return undef; |
131 |
|
|
} |
132 |
|
|
|
133 |
|
|
=head2 fetch_rec |
134 |
|
|
|
135 |
|
|
Return record with ID C<$mfn> from database |
136 |
|
|
|
137 |
|
|
my $rec = $input->fetch_rec( $mfn, $filter_coderef ); |
138 |
|
|
|
139 |
|
|
=cut |
140 |
|
|
|
141 |
|
|
sub fetch_rec { |
142 |
|
|
my $self = shift; |
143 |
|
|
|
144 |
|
|
my ( $mfn, $filter_coderef ) = @_; |
145 |
|
|
|
146 |
|
|
return $self->{_rec}->[$mfn-1]; |
147 |
|
|
} |
148 |
|
|
|
149 |
|
|
|
150 |
|
|
=head2 size |
151 |
|
|
|
152 |
|
|
Return number of records in database |
153 |
|
|
|
154 |
|
|
my $size = $input->size; |
155 |
|
|
|
156 |
|
|
=cut |
157 |
|
|
|
158 |
|
|
sub size { |
159 |
|
|
my $self = shift; |
160 |
|
|
return $self->{size}; |
161 |
|
|
} |
162 |
|
|
|
163 |
|
|
=head1 AUTHOR |
164 |
|
|
|
165 |
|
|
Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
166 |
|
|
|
167 |
|
|
=head1 COPYRIGHT & LICENSE |
168 |
|
|
|
169 |
|
|
Copyright 2008 Dobrica Pavlinusic, All Rights Reserved. |
170 |
|
|
|
171 |
|
|
This program is free software; you can redistribute it and/or modify it |
172 |
|
|
under the same terms as Perl itself. |
173 |
|
|
|
174 |
|
|
=cut |
175 |
|
|
|
176 |
|
|
1; # End of WebPAC::Input::EBSCO |