1 package WebPAC::Normalize::MARC;
10 use Data::Dump qw/dump/;
13 use WebPAC::Normalize;
17 WebPAC::Normalize::MARC - create MARC/ISO2709 records
26 from => 225, to => 440,
40 'a, |x ; |v. |n, |p ; |v',
45 Returns number of records produced.
51 warn "## marc_template(",dump($args),")";
53 foreach ( qw/subfields_rename isis_template marc_template/ ) {
54 # warn "ref($_) = ",ref($args->{$_});
55 die "$_ not ARRAY" if defined($args->{$_}) && ref($args->{$_}) ne 'ARRAY';
58 die "marc_template needs isis_template or marc_template"
59 if ! defined $args->{isis_template} && ! defined $args->{marc_template};
61 my $rec = WebPAC::Normalize::_get_rec() || die "_get_rec?";
62 my $r = $rec->{ $args->{from} } || return;
63 die "record field ", $args->{from}, " isn't array ",dump( $rec ) unless (ref($r) eq 'ARRAY');
65 my @subfields_rename = @{ $args->{subfields_rename} };
66 # warn "### subfields_rename [$#subfields_rename] = ",dump( @subfields_rename );
68 confess "need mapping in pairs for subfields_rename"
69 if $#subfields_rename % 2 != 1;
71 my ( $subfields_rename, $from_subfields, $to_subfields );
72 while ( my ( $from, $to ) = splice(@subfields_rename, 0, 2) ) {
74 $from_subfields->{ $from }++,
75 $to_subfields->{ $to }++
77 $subfields_rename->{ $from }->[ $f ] = [ $to => $t ];
79 warn "### subfields_rename = ",dump( $subfields_rename ),$/;
80 warn "### from_subfields = ", dump( $from_subfields ),$/;
81 warn "### to_subfields = ", dump( $to_subfields ),$/;
85 $_template->{isis}->{fields_re} = join('|', keys %$from_subfields );
86 $_template->{marc}->{fields_re} = join('|', keys %$to_subfields );
91 my ( $name, $templates ) = @_;
93 my $fields_re = $_template->{$name}->{fields_re} || die "can't find $name in ",dump( $_template->{$name}->{fields_re} );
95 foreach my $template ( @{ $templates } ) {
100 my $nr = $count->{$sf}++;
101 push @order, [ $sf, $nr ];
104 my $pos_template = $template;
105 $pos_template =~ s/($fields_re)/my_count($1)/ge;
106 my $count_key = dump( $count );
107 warn "### template: |$template| -> |$pos_template| count = $count_key order = ",dump( @order ),$/;
108 $_template->{$name}->{pos}->{ $count_key } = $pos_template;
109 $_template->{$name}->{order}->{ $pos_template } = [ @order ];
111 warn "### from ",dump( $templates ), " using $fields_re created ", dump( $_template );
114 _parse_template( 'marc', $args->{marc_template} );
115 _parse_template( 'isis', $args->{isis_template} );
116 warn "### _template = ",dump( $_template );
120 foreach my $r ( @{ $rec->{ $args->{from} } } ) {
122 my $i1 = $r->{i1} || ' ';
123 my $i2 = $r->{i2} || ' ';
124 $m = [ $args->{to}, $i1, $i2 ];
126 warn "### r = ",dump( $r );
128 my ( $from_mapping, $to_mapping, $from_count, $to_count );
129 foreach my $sf ( keys %{$r} ) {
130 # skip everything which isn't one char subfield (e.g. 'subfields')
131 next unless $sf =~ m/^\w$/;
132 my $nr = $from_count->{$sf}++;
133 my $rename_to = $subfields_rename->{ $sf } ||
134 die "can't find subfield rename for $sf/$nr in ", dump( $subfields_rename );
135 warn "### rename $sf/$nr to ", dump( $rename_to->[$nr] ), $/;
136 my ( $to_sf, $to_nr ) = @{ $rename_to->[$nr] };
137 $from_mapping->{ $sf }->[ $nr ] = [ $to_sf => $to_nr ];
138 $to_mapping->{ $to_sf }->[ $to_nr ] = [ $sf => $nr ];
140 $to_count->{ $to_sf }++;
143 warn "### to_mapping = ",dump( $to_mapping );
146 from => dump( $from_count ),
147 to => dump( $to_count),
150 warn "### count_key = ",dump( $count_key ), $/;
152 my $processed_templates = 0;
154 # this defines order of traversal
155 foreach ( qw/isis:from marc:to/ ) {
156 my ($name,$count_name) = split(/:/);
158 my $ckey = $count_key->{$count_name} || die "can't find count_key $count_name in ",dump( $count_key );
160 my $template = $_template->{$name}->{pos}->{ $ckey } || next;
161 $processed_templates++;
163 warn "### traverse $name $count_name selected template: |$template|\n";
167 my @templates = split(/\|/, $template );
168 @templates = ( $template );
170 foreach my $sf ( @templates ) {
172 my ( $name, $r, $sf, $nr ) = @_;
173 my ( $from_sf, $from_nr, $v );
174 if ( $name eq 'marc' ) {
175 ( $from_sf, $from_nr ) = @{ $to_mapping->{$sf}->[$nr] };
177 ( $from_sf, $from_nr ) = ( $sf, $nr );
179 my $v = $r->{ $from_sf }; # || die "no $from_sf/$from_nr";
180 warn "#### fill_in( $sf, $nr ) = $from_sf/$from_nr >>>> ",dump( $v ), $/;
181 if ( ref( $v ) eq 'ARRAY' ) {
182 $fill_in->{$sf}->[$nr] = $v->[$from_nr];
183 return $v->[$from_nr];
184 } elsif ( $from_nr == 0 ) {
185 $fill_in->{$sf}->[$nr] = $v;
188 die "requested subfield $from_sf/$from_nr but it's ",dump( $v );
191 my $fields_re = $_template->{$name}->{fields_re} || die "can't find $name in ",dump( $_template->{$name}->{fields_re} );
192 warn "#### $sf <<<< $fields_re\n";
193 $sf =~ s/($fields_re)(\d+)/fill_in($name,$r,$1,$2)/ge;
194 warn "#### >>>> $sf with fill_in = ",dump( $fill_in ),$/;
197 warn "## template: |$template|\n## _template->$name = ",dump( $_template->{$name} );
199 foreach my $sf ( @{ $_template->{$name}->{order}->{$template} } ) {
200 my ( $sf, $nr ) = @$sf;
201 my $v = $fill_in->{$sf}->[$nr] || die "can't find fill_in $sf/$nr";
202 if ( $name eq 'isis') {
203 ( $sf, $nr ) = @{ $from_mapping->{$sf}->[$nr] };
205 warn "++ $sf/$nr |$v|\n";
206 push @$m, ( $sf, $v );
209 warn "#### >>>> created MARC record: ", dump( $m );
214 die "I don't have template for fields ",dump( $count_key ), "\n## available templates\n", dump( $_template ) unless $processed_templates;
215 warn ">>> $processed_templates templates applied to data\n";
221 foreach my $marc ( @marc_out ) {
222 warn "+++ ",dump( $marc ),$/;
223 WebPAC::Normalize::_marc_push( $marc );
227 warn "### marc_template produced $recs MARC records: ",dump( @marc_out ), $/;