--- trunk/Fast.pm 2007/11/04 22:44:42 23 +++ trunk/lib/MARC/Fast.pm 2010/09/23 13:15:01 44 @@ -2,12 +2,12 @@ use strict; use Carp; -use Data::Dumper; +use Data::Dump qw/dump/; BEGIN { use Exporter (); use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); - $VERSION = 0.09; + $VERSION = 0.11; @ISA = qw (Exporter); #Give a hoot don't pollute, do not export more than needed by default @EXPORT = qw (); @@ -87,7 +87,8 @@ my $len = read($self->{fh}, $leader, 24); if ($len < 24) { - carp "short read of leader, aborting\n"; + warn "short read of leader, aborting\n"; + $self->{count}--; last; } @@ -124,6 +125,7 @@ # skip to next record my $o = substr($leader,0,5); + warn "# in record ", $self->{count}," record length isn't number but: ",dump($o),"\n" unless $o =~ m/^\d+$/; if ($o > 24) { seek($self->{fh},$o-24,1) if ($o); } else { @@ -309,14 +311,14 @@ my $row = $self->fetch($mfn) || return; - foreach my $rec_nr (keys %{$row}) { - foreach my $l (@{$row->{$rec_nr}}) { + foreach my $tag (keys %{$row}) { + foreach my $l (@{$row->{$tag}}) { # remove end marker $l =~ s/\x1E$//; # filter output - $l = $self->{'hash_filter'}->($l, $rec_nr) if ($self->{'hash_filter'}); + $l = $self->{'hash_filter'}->($l, $tag) if ($self->{'hash_filter'}); my $val; @@ -331,25 +333,27 @@ foreach my $t (split(/\x1F/,$l)) { next if (! $t); my $f = substr($t,0,1); + my $v = substr($t,1); push @subfields, ( $f, $sf_usage->{$f}++ || 0 ); # repeatable subfiled -- convert it to array - if ($val->{$f}) { - if ( $sf_usage->{$f} == 2 ) { - $val->{$f} = [ $val->{$f}, $val ]; + if ( defined $val->{$f} ) { + if ( ref($val->{$f}) ne 'ARRAY' ) { + $val->{$f} = [ $val->{$f}, $v ]; } else { - push @{$val->{$f}}, $val; + push @{$val->{$f}}, $v; } + } else { + $val->{$f} = $v; } - $val->{substr($t,0,1)} = substr($t,1); } $val->{subfields} = [ @subfields ] if $args->{include_subfields}; } else { $val = $l; } - push @{$rec->{$rec_nr}}, $val; + push @{$rec->{$tag}}, $val; } } @@ -383,6 +387,27 @@ 1; __END__ +=head1 UTF-8 ENCODING + +This module does nothing with encoding. But, since MARC format is byte +oriented even when using UTF-8 which has variable number of bytes for each +character, file is opened in binary mode. + +As a result, all scalars recturned to perl don't have utf-8 flag. Solution is +to use C and L to decode utf-8 encoding like this: + + use Encode; + + my $marc = new MARC::Fast( + marcdb => 'utf8.marc', + hash_filter => sub { + Encode::decode( 'utf-8', $_[0] ); + }, + ); + +This will affect C, but C will still return binary representation +since it doesn't support C. + =head1 AUTHOR Dobrica Pavlinusic