--- trunk/lib/WebPAC/Normalize.pm	2006/07/09 15:22:30	592
+++ trunk/lib/WebPAC/Normalize.pm	2006/07/10 10:16:11	595
@@ -35,11 +35,11 @@
 
 =head1 VERSION
 
-Version 0.12
+Version 0.14
 
 =cut
 
-our $VERSION = '0.12';
+our $VERSION = '0.14';
 
 =head1 SYNOPSIS
 
@@ -69,6 +69,7 @@
 	row => $row,
 	rules => $normalize_pl_config,
 	marc_encoding => 'utf-8',
+	config => $config,
   );
 
 Options C<lookup>, C<row>, C<rules> and C<log> are mandatory while all
@@ -90,6 +91,7 @@
 	no strict 'subs';
 	_set_lookup( $arg->{lookup} );
 	_set_rec( $arg->{row} );
+	_set_config( $arg->{config} );
 	_clean_ds( %{ $arg } );
 	eval "$arg->{rules}";
 	die "error evaling $arg->{rules}: $@\n" if ($@);
@@ -111,6 +113,34 @@
 	$rec = shift or die "no record hash";
 }
 
+=head2 _set_config
+
+Set current config hash
+
+  _set_config( $config );
+
+Magic keys are:
+
+=over 4
+
+=item _
+
+Code of current database
+
+=item _mfn
+
+Current MFN
+
+=back
+
+=cut
+
+my $config;
+
+sub _set_config {
+	$config = shift;
+}
+
 =head2 _get_ds
 
 Return hash formatted as data structure
@@ -773,6 +803,78 @@
 	}
 }
 
+=head2 config
+
+Consult config values stored in C<config.yml>
+
+  # return database code (key under databases in yaml)
+  $database_code = config();	# use _ from hash
+  $database_name = config('name');
+  $database_input_name = config('input name');
+  $tag = config('input normalize tag');
+
+Up to three levels are supported.
+
+=cut
+
+sub config {
+	return unless ($config);
+
+	my $p = shift;
+
+	$p ||= '';
+
+	my $v;
+
+	warn "### getting config($p)\n" if ($debug > 1);
+
+	my @p = split(/\s+/,$p);
+	if ($#p < 0) {
+		$v = $config->{ '_' };	# special, database code
+	} else {
+
+		my $c = dclone( $config );
+
+		foreach my $k (@p) {
+			warn "### k: $k c = ",dump($c),$/ if ($debug > 1);
+			if (ref($c) eq 'ARRAY') {
+				$c = shift @$c;
+				warn "config($p) taking first occurence of '$k', probably not what you wanted!\n";
+				last;
+			}
+
+			if (! defined($c->{$k}) ) {
+				$c = undef;
+				last;
+			} else {
+				$c = $c->{$k};
+			}
+		}
+		$v = $c if ($c);
+
+	}
+
+	warn "## config( '$p' ) = ",dump( $v ),$/ if ($v && $debug);
+	warn "config( '$p' ) is empty\n" if (! $v);
+
+	return $v;
+}
+
+=head2 id
+
+Returns unique id of this record
+
+  $id = id();
+
+Returns C<42/2> for 2nd occurence of MFN 42.
+
+=cut
+
+sub id {
+	my $mfn = $config->{_mfn} || die "no _mfn in config data";
+	return $mfn . $#{$marc_record} ? $#{$marc_record} + 1 : '';
+}
+
 =head2 join_with
 
 Joins walues with some delimiter