133 lines
2.4 KiB
Perl
133 lines
2.4 KiB
Perl
package Koha::Util::Normalize;
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# Copyright 2016 Koha Development Team
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with Koha; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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use Modern::Perl;
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use Business::ISBN;
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use parent qw( Exporter );
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our @EXPORT = qw(
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legacy_default
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remove_spaces
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upper_case
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lower_case
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ISBN
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);
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=head1 NAME
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Koha::Util::Normalize - utility class with string normalization routines
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=head1 METHODS
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=head2 legacy_default
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Default normalization function
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=cut
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sub legacy_default {
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my ( $string ) = @_;
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return if !defined( $string );
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$string = uc $string;
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$string =~ s/[.;:,\]\[\)\(\/'"]//g;
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$string =~ s/^\s+//;
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$string =~ s/\s+$//;
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$string =~ s/\s+/ /g;
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return $string;
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}
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=head2 remove_spaces
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Normalization function removing spaces
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=cut
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sub remove_spaces {
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my ( $string ) = @_;
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return if !defined( $string );
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$string =~ s/\s+//g;
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return $string;
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}
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=head2 upper_case
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Normalization function converting characters into upper-case
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=cut
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sub upper_case {
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my ( $string ) = @_;
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return if !defined( $string );
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$string = uc $string;
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return $string;
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}
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=head2 lower_case
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Normalization function converting characters into lower-case
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=cut
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sub lower_case {
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my ( $string ) = @_;
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return if !defined( $string );
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$string = lc $string;
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return $string;
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}
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=head2 ISBN
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Normalization function converting ISBN strings to ISBN13
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If string is not a valid ISBN we pass it through unaltered
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=cut
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sub ISBN {
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my ( $string ) = @_;
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return if !defined( $string );
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my $isbn = Business::ISBN->new($string);
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if (defined $isbn && $isbn->is_valid) {
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$string = $isbn->as_isbn13->as_string([]);
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}
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return $string;
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}
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1;
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__END__
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=head1 AUTHOR
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Koha Development Team <http://koha-community.org/>
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Tomas Cohen Arazi <tomascohen@theke.io>
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=cut
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