1 package Koha::QueryParser::Driver::PQF::Util;
3 # This file is part of Koha.
5 # Copyright 2012 C & P Bibliography Services
7 # Koha is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # Koha is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
20 use Scalar::Util qw(looks_like_number);
27 Koha::QueryParser::Driver::PQF::Util - Utility module for PQF QueryParser driver
31 =head2 attributes_to_attr_string
33 Koha::QueryParser::Driver::PQF::Util(%attributes);
35 Koha::QueryParser::Driver::PQF::Util({ '1' => '1003', '4' => '6' });
37 Convert a hashref with a Bib-1 mapping into its PQF string representation.
41 sub attributes_to_attr_string {
42 my ($attributes) = @_;
46 while (($key, $value) = each(%$attributes)) {
47 next unless looks_like_number($key);
48 $attr_string .= ' @attr ' . $key . '=' . $value . ' ';
50 $attr_string =~ s/^\s*//;
51 $attr_string =~ s/\s*$//;
52 $attr_string .= ' ' . $attributes->{''} if defined $attributes->{''};