Koha/Util/Normalize.pm

   1 package Koha::Util::Normalize;
   2
   3 # Copyright 2016 Koha Development Team
   4 #
   5 # This file is part of Koha.
   6 #
   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.
  11 #
  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.
  16 #
  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>.
  19
  20 use Modern::Perl;
  21
  22 use parent qw( Exporter );
  23
  24 our @EXPORT = qw(
  25   legacy_default
  26   remove_spaces
  27   upper_case
  28   lower_case
  29   ISBN
  30 );
  31
  32 =head1 NAME
  33
  34 Koha::Util::Normalize - utility class with string normalization routines
  35
  36 =head1 METHODS
  37
  38 =head2 legacy_default
  39
  40 Default normalization function
  41
  42 =cut
  43
  44 sub legacy_default {
  45     my ( $string ) = @_;
  46     return if !defined( $string );
  47
  48     $string = uc $string;
  49
  50     $string =~ s/[.;:,\]\[\)\(\/'"]//g;
  51     $string =~ s/^\s+//;
  52     $string =~ s/\s+$//;
  53     $string =~ s/\s+/ /g;
  54
  55     return $string;
  56 }
  57
  58 =head2 remove_spaces
  59
  60 Normalization function removing spaces
  61
  62 =cut
  63
  64 sub remove_spaces {
  65     my ( $string ) = @_;
  66     return if !defined( $string );
  67
  68     $string =~ s/\s+//g;
  69
  70     return $string;
  71 }
  72
  73 =head2 upper_case
  74
  75 Normalization function converting characters into upper-case
  76
  77 =cut
  78
  79 sub upper_case {
  80     my ( $string ) = @_;
  81     return if !defined( $string );
  82
  83     $string = uc $string;
  84
  85     return $string;
  86 }
  87
  88 =head2 lower_case
  89
  90 Normalization function converting characters into lower-case
  91
  92 =cut
  93
  94 sub lower_case {
  95     my ( $string ) = @_;
  96     return if !defined( $string );
  97
  98     $string = lc $string;
  99
 100     return $string;
 101 }
 102
 103 =head2 ISBN
 104
 105 Normalization function converting ISBN strings to ISBN13
 106 If string is not a valid ISBN we pass it through unaltered
 107
 108 =cut
 109
 110 sub ISBN {
 111     my ( $string ) = @_;
 112     return if !defined( $string );
 113
 114     my $isbn = C4::Koha::NormalizeISBN({
 115         isbn => $string,
 116         format => 'ISBN-13',
 117         strip_hyphens  => 1,
 118         return_invalid => 1,
 119     });
 120
 121     return $isbn;
 122 }
 123
 124 1;
 125 __END__
 126
 127 =head1 AUTHOR
 128
 129 Koha Development Team <http://koha-community.org/>
 130
 131 Tomas Cohen Arazi <tomascohen@theke.io>
 132
 133 =cut