/[webpac2]/trunk/lib/WebPAC/Normalize.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 813 by dpavlin, Sun Apr 1 21:47:47 2007 UTC revision 831 by dpavlin, Wed May 23 20:03:14 2007 UTC
# Line 9  use Exporter 'import'; Line 9  use Exporter 'import';
9    
10          tag search display          tag search display
11          marc marc_indicators marc_repeatable_subfield          marc marc_indicators marc_repeatable_subfield
12          marc_compose marc_leader          marc_compose marc_leader marc_fixed
13          marc_duplicate marc_remove marc_count          marc_duplicate marc_remove marc_count
14          marc_original_order          marc_original_order
15    
# Line 42  WebPAC::Normalize - describe normalisato Line 42  WebPAC::Normalize - describe normalisato
42    
43  =head1 VERSION  =head1 VERSION
44    
45  Version 0.27  Version 0.29
46    
47  =cut  =cut
48    
49  our $VERSION = '0.27';  our $VERSION = '0.29';
50    
51  =head1 SYNOPSIS  =head1 SYNOPSIS
52    
# Line 517  sub marc_leader { Line 517  sub marc_leader {
517          }          }
518  }  }
519    
520    =head2 marc_fixed
521    
522    Create control/indentifier fields with values in fixed positions
523    
524      marc_fixed('008', 00, '070402');
525      marc_fixed('008', 39, '|');
526    
527    Positions not specified will be filled with spaces (C<0x20>).
528    
529    There will be no effort to extend last specified value to full length of
530    field in standard.
531    
532    =cut
533    
534    sub marc_fixed {
535            my ($f, $pos, $val) = @_;
536            die "need marc(field, position, value)" unless defined($f) && defined($pos);
537    
538            my $update = 0;
539    
540            map {
541                    if ($_->[0] eq $f) {
542                            my $old = $_->[1];
543                            if (length($old) < $pos) {
544                                    $_->[1] .= ' ' x ( $pos - length($old) ) . $val;
545                                    warn "## marc_fixed($f,$pos,'$val') append '$old' -> '$_->[1]'\n" if ($debug > 1);
546                            } else {
547                                    $_->[1] = substr($old, 0, $pos) . $val . substr($old, $pos + length($val));
548                                    warn "## marc_fixed($f,$pos,'$val') update '$old' -> '$_->[1]'\n" if ($debug > 1);
549                            }
550                            $update++;
551                    }
552            } @{ $marc_record->[ $marc_record_offset ] };
553    
554            if (! $update) {
555                    my $v = ' ' x $pos . $val;
556                    push @{ $marc_record->[ $marc_record_offset ] }, [ $f, $v ];
557                    warn "## marc_fixed($f,$pos,'val') created '$v'\n" if ($debug > 1);
558            }
559    }
560    
561  =head2 marc  =head2 marc
562    
563  Save value for MARC field  Save value for MARC field
# Line 831  sub _pack_subfields_hash { Line 872  sub _pack_subfields_hash {
872    
873          my ($h,$include_subfields) = @_;          my ($h,$include_subfields) = @_;
874    
875            # sanity and ease of use
876            return $h if (ref($h) ne 'HASH');
877    
878          if ( defined($h->{subfields}) ) {          if ( defined($h->{subfields}) ) {
879                  my $sfs = delete $h->{subfields} || die "no subfields?";                  my $sfs = delete $h->{subfields} || die "no subfields?";
880                  my @out;                  my @out;
# Line 980  Prefix all values with a string Line 1024  Prefix all values with a string
1024  =cut  =cut
1025    
1026  sub prefix {  sub prefix {
1027          my $p = shift or return;          my $p = shift;
1028            return @_ unless defined( $p );
1029          return map { $p . $_ } grep { defined($_) } @_;          return map { $p . $_ } grep { defined($_) } @_;
1030  }  }
1031    
# Line 993  suffix all values with a string Line 1038  suffix all values with a string
1038  =cut  =cut
1039    
1040  sub suffix {  sub suffix {
1041          my $s = shift or die "suffix needs string as first argument";          my $s = shift;
1042            return @_ unless defined( $s );
1043          return map { $_ . $s } grep { defined($_) } @_;          return map { $_ . $s } grep { defined($_) } @_;
1044  }  }
1045    
# Line 1006  surround all values with a two strings Line 1052  surround all values with a two strings
1052  =cut  =cut
1053    
1054  sub surround {  sub surround {
1055          my $p = shift or die "surround need prefix as first argument";          my $p = shift;
1056          my $s = shift or die "surround needs suffix as second argument";          my $s = shift;
1057            $p = '' unless defined( $p );
1058            $s = '' unless defined( $s );
1059          return map { $p . $_ . $s } grep { defined($_) } @_;          return map { $p . $_ . $s } grep { defined($_) } @_;
1060  }  }
1061    
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