--- trunk/lib/WebPAC/Normalize.pm	2006/12/10 12:45:11	786
+++ trunk/lib/WebPAC/Normalize.pm	2007/04/01 21:47:47	813
@@ -10,7 +10,7 @@
 	tag search display
 	marc marc_indicators marc_repeatable_subfield
 	marc_compose marc_leader
-	marc_duplicate marc_remove
+	marc_duplicate marc_remove marc_count
 	marc_original_order
 
 	rec1 rec2 rec
@@ -21,6 +21,7 @@
 	split_rec_on
 
 	get set
+	count
 /;
 
 use warnings;
@@ -41,11 +42,11 @@
 
 =head1 VERSION
 
-Version 0.25
+Version 0.27
 
 =cut
 
-our $VERSION = '0.25';
+our $VERSION = '0.27';
 
 =head1 SYNOPSIS
 
@@ -166,7 +167,7 @@
 
 =cut
 
-my ($out, $marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators, $leader);
+my ($out, $marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators, $marc_leader);
 my ($marc_record_offset, $marc_fetch_offset) = (0, 0);
 
 sub _get_ds {
@@ -183,7 +184,7 @@
 
 sub _clean_ds {
 	my $a = {@_};
-	($out,$marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators, $leader) = ();
+	($out,$marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators, $marc_leader) = ();
 	($marc_record_offset, $marc_fetch_offset) = (0,0);
 	$marc_encoding = $a->{marc_encoding};
 }
@@ -288,13 +289,15 @@
 
 =cut
 
+my $fetch_pos;
+
 sub _get_marc_fields {
 
 	my $arg = {@_};
 	warn "### _get_marc_fields arg: ", dump($arg), $/ if ($debug > 2);
-	my $offset = $marc_fetch_offset;
+	$fetch_pos = $marc_fetch_offset;
 	if ($arg->{offset}) {
-		$offset = $arg->{offset};
+		$fetch_pos = $arg->{offset};
 	} elsif($arg->{fetch_next}) {
 		$marc_fetch_offset++;
 	}
@@ -303,9 +306,9 @@
 
 	warn "### full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 2);
 
-	my $marc_rec = $marc_record->[ $offset ];
+	my $marc_rec = $marc_record->[ $fetch_pos ];
 
-	warn "## _get_marc_fields (at offset: $offset) -- marc_record = ", dump( @$marc_rec ), $/ if ($debug > 1);
+	warn "## _get_marc_fields (at offset: $fetch_pos) -- marc_record = ", dump( @$marc_rec ), $/ if ($debug > 1);
 
 	return if (! $marc_rec || ref($marc_rec) ne 'ARRAY' || $#{ $marc_rec } < 0);
 
@@ -326,7 +329,7 @@
 
 	if ($debug) {
 		warn "## marc_repeatable_subfield = ", dump( $marc_repeatable_subfield ), $/ if ( $marc_repeatable_subfield );
-		warn "## marc_record[$offset] = ", dump( $marc_rec ), $/;
+		warn "## marc_record[$fetch_pos] = ", dump( $marc_rec ), $/;
 		warn "## sorted_marc_record = ", dump( \@sorted_marc_record ), $/;
 		warn "## subfield count = ", dump( $u ), $/;
 	}
@@ -407,6 +410,19 @@
 	return \@m;
 }
 
+=head2 _get_marc_leader
+
+Return leader from currently fetched record by L</_get_marc_fields>
+
+  print WebPAC::Normalize::_get_marc_leader();
+
+=cut
+
+sub _get_marc_leader {
+	die "no fetch_pos, did you called _get_marc_fields first?" unless ( defined( $fetch_pos ) );
+	return $marc_leader->[ $fetch_pos ];
+}
+
 =head2 _debug
 
 Change level of debug warnings
@@ -489,9 +505,15 @@
 	my ($offset,$value) = @_;
 
 	if ($offset) {
-		$leader->{ $offset } = $value;
+		$marc_leader->[ $marc_record_offset ]->{ $offset } = $value;
 	} else {
-		return $leader;
+		
+		if (defined($marc_leader)) {
+			die "marc_leader not array = ", dump( $marc_leader ) unless (ref($marc_leader) eq 'ARRAY');
+			return $marc_leader->[ $marc_record_offset ];
+		} else {
+			return;
+		}
 	}
 }
 
@@ -623,9 +645,11 @@
 	 my $m = $marc_record->[ -1 ];
 	 die "can't duplicate record which isn't defined" unless ($m);
 	 push @{ $marc_record }, dclone( $m );
-	 warn "## marc_duplicate = ", dump(@$marc_record), $/ if ($debug > 1);
+	 push @{ $marc_leader }, dclone( marc_leader() );
+	 warn "## marc_duplicate = ", dump(@$marc_leader, @$marc_record), $/ if ($debug > 1);
 	 $marc_record_offset = $#{ $marc_record };
 	 warn "## marc_record_offset = $marc_record_offset", $/ if ($debug > 1);
+
 }
 
 =head2 marc_remove
@@ -661,6 +685,7 @@
 	if ($f eq '*') {
 
 		delete( $marc_record->[ $marc_record_offset ] );
+		warn "## full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 1);
 
 	} else {
 
@@ -699,7 +724,6 @@
 		$marc_record->[ $marc_record_offset ] = $marc;
 	}
 
-
 	warn "## full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 1);
 }
 
@@ -773,6 +797,18 @@
 	warn "## marc_record = ", dump( $marc_record ),$/ if ($debug > 1);
 }
 
+=head2 marc_count
+
+Return number of MARC records created using L</marc_duplicate>.
+
+  print "created ", marc_count(), " records";
+
+=cut
+
+sub marc_count {
+	return $#{ $marc_record };
+}
+
 
 =head1 Functions to extract data from input
 
@@ -1272,7 +1308,7 @@
 
 sub set {
 	my ($k,$v) = @_;
-	warn "## set ( $k => ", dump($v), " )", $/;
+	warn "## set ( $k => ", dump($v), " )", $/ if ( $debug );
 	$hash->{$k} = $v;
 };
 
@@ -1285,10 +1321,22 @@
 sub get {
 	my $k = shift || return;
 	my $v = $hash->{$k};
-	warn "## get $k = ", dump( $v ), $/;
+	warn "## get $k = ", dump( $v ), $/ if ( $debug );
 	return $v;
 }
 
+=head2 count
+
+  if ( count( @result ) == 1 ) {
+  	# do something if only 1 result is there
+  }
+
+=cut
+
+sub count {
+	warn "## count ",dump(@_),$/ if ( $debug );
+	return @_ . '';
+}
 
 # END
 1;