C4/ClassSplitRoutine/Generic.pm

   1 package C4::ClassSplitRoutine::Generic;
   2
   3 # Copyright 2018 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 C4::Debug;
  23
  24 =head1 NAME
  25
  26 C4::ClassSplitRoutine::Generic - generic call number sorting key routine
  27
  28 =head1 SYNOPSIS
  29
  30 use C4::ClassSplitRoutine;
  31
  32 =head1 FUNCTIONS
  33
  34
  35 =head2 split_callnumber
  36
  37   my $cn_split = C4::ClassSplitRoutine::Generic::split_callnumber($cn_item);
  38
  39   NOTE: Custom call number types go here. It may be necessary to create additional
  40   splitting algorithms if some custom call numbers cannot be made to work here.
  41   Presently this splits standard non-ddcn, non-lccn fiction and biography call numbers.
  42
  43 =cut
  44
  45 sub split_callnumber {
  46     my ($cn_item) = @_;
  47
  48     my @lines;
  49
  50     # Split call numbers based on spaces
  51     push @lines, split /\s+/, $cn_item
  52       ;    # split the call number into an arbitrary number of pieces at spaces
  53     if ( $lines[-1] !~ /^.*\d-\d.*$/ && $lines[-1] =~ /^(.*\d+)(\D.*)$/ ) {
  54         pop @lines;    # pull off the matching last element
  55         push @lines, $1, $2;    # replace it with the two pieces
  56     }
  57     unless ( scalar @lines ) {
  58         warn sprintf( 'regexp failed to match string: %s', $cn_item );
  59         push( @lines, $cn_item );
  60     }
  61     $debug and print STDERR "split_ccn array: ", join( " | ", @lines ), "\n";
  62
  63     return @lines;
  64 }
  65
  66 1;
  67
  68 =head1 AUTHOR
  69
  70 Koha Development Team <http://koha-community.org/>
  71
  72 =cut