--- trunk/Fast.pm	2005/12/18 23:12:26	6
+++ trunk/Fast.pm	2007/06/18 22:54:02	14
@@ -1,5 +1,5 @@
-
 package MARC::Fast;
+
 use strict;
 use Carp;
 use Data::Dumper;
@@ -7,7 +7,7 @@
 BEGIN {
 	use Exporter ();
 	use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
-	$VERSION     = 0.02;
+	$VERSION     = 0.06;
 	@ISA         = qw (Exporter);
 	#Give a hoot don't pollute, do not export more than needed by default
 	@EXPORT      = qw ();
@@ -42,6 +42,11 @@
 	quiet => 0,
 	debug => 0,
 	assert => 0,
+	hash_filter => sub {
+		my ($t, $record_number) = @_;
+		$t =~ s/foo/bar/;
+		return $t;
+	},
   );
 
 =cut
@@ -265,14 +270,14 @@
 
 	my $row = $self->fetch($mfn) || return;
 
-	foreach my $k (keys %{$row}) {
-		foreach my $l (@{$row->{$k}}) {
+	foreach my $rec_nr (keys %{$row}) {
+		foreach my $l (@{$row->{$rec_nr}}) {
 
 			# remove end marker
 			$l =~ s/\x1E$//;
 
 			# filter output
-			$l = $self->{'hash_filter'}->($l) if ($self->{'hash_filter'});
+			$l = $self->{'hash_filter'}->($l, $rec_nr) if ($self->{'hash_filter'});
 
 			my $val;
 
@@ -283,30 +288,57 @@
 			if ($l =~ m/\x1F/) {
 				foreach my $t (split(/\x1F/,$l)) {
 					next if (! $t);
+					my $f = substr($t,0,1);
+					# repeatable subfileds. When we hit first one,
+					# store CURRENT (up to that) in first repetition
+					# of this record. Then, new record with same
+					# identifiers will be created.
+					if ($val->{$f}) {
+						push @{$rec->{$rec_nr}}, $val;
+						$val = {
+							i1 => $val->{i1},
+							i2 => $val->{i2},
+						};
+					}
 					$val->{substr($t,0,1)} = substr($t,1);
 				}
 			} else {
 				$val = $l;
 			}
 
-			push @{$rec->{$k}}, $val;
+			push @{$rec->{$rec_nr}}, $val;
 		}
 	}
 
 	return $rec;
 }
 
+=head2 to_ascii
 
-1;
-__END__
+  print $marc->to_ascii( 42 );
+
+=cut
 
-=head1 BUGS
+sub to_ascii {
+	my $self = shift;
 
+	my $mfn = shift || confess "need mfn";
+	my $row = $self->fetch($mfn) || return;
 
+	my $out;
 
-=head1 SUPPORT
+	foreach my $f (sort keys %{$row}) {
+		my $dump = join('', @{ $row->{$f} });
+		$dump =~ s/\x1e$//;
+		$dump =~ s/\x1f/\$/g;
+		$out .= "$f\t$dump\n";
+	}
 
+	return $out;
+}
 
+1;
+__END__
 
 =head1 AUTHOR
 
@@ -326,6 +358,6 @@
 
 =head1 SEE ALSO
 
-perl(1).
+L<Biblio::Isis>, perl(1).
 
 =cut