package Catmandu::Exporter::MARC;
use Catmandu::Sane;
use Catmandu::Util qw(xml_escape is_different);
use Moo;
with 'Catmandu::Exporter';
has type => (is => 'ro', default => sub { 'XML' });
has xml_declaration => (is => 'ro');
has collection => (is => 'ro');
has record_format => (is => 'ro', default => sub { 'raw' });
has record => (is => 'ro', lazy => 1, default => sub { 'record' });
sub add {
my ($self, $data) = @_;
my @out;
if (!$self->count) {
if ($self->xml_declaration) {
push @out, Catmandu::Util::xml_declaration;
}
if ($self->collection) {
push @out, qq(<marc:collection xmlns="http://www.loc.gov/MARC21/slim">);
}
}
push @out, $self->collection ? '<marc:record>' : qq(<marc:record xmlns="http://www.loc.gov/MARC21/slim">);
if ($self->record_format eq 'raw') { # raw MARC array
for my $field (@{$data->{$self->record}}) {
my ($tag, $ind1, $ind2, @data) = @$field;
if ($tag eq 'LDR') {
push @out, '<marc:leader>', xml_escape($data[1]), '</marc:leader>';
}
elsif ($tag =~ /^00/) {
push @out, '<marc:controlfield tag="', xml_escape($tag),'">', xml_escape($data[1]), '</marc:controlfield>';
}
elsif ($tag !~ /^00.|FMT|LDR/) {
push @out, '<marc:datafield tag="', xml_escape($tag), '" ind1="', $ind1,'" ind2="', $ind2, '">';
while (@data) {
my ($code, $val) = splice(@data, 0, 2);
next unless $code =~ /[A-Za-z0-9]/;
push @out, '<marc:subfield code="', $code, '">', xml_escape($val), '</marc:subfield>';
}
push @out, '</marc:datafield>';
}
}
}
else { # MARC-in-JSON
push @out, '<marc:leader>', xml_escape($data->{leader}), '</marc:leader>';
for my $field (@{$data->{fields}}) {
my ($tag) = keys %$field;
my $val = $field->{$tag};
if (ref $val) {
push @out, '<marc:datafield tag="', xml_escape($tag), '" ind1="', $val->{ind1},'" ind2="', $val->{ind2}, '">';
for my $subfield (@{$val->{subfields}}) {
my ($code) = keys %$subfield;
push @out, '<marc:subfield code="', $code,'">', xml_escape($subfield->{$code}), '</marc:subfield>';
}
push @out, '</marc:datafield>';
} else {
push @out, '<marc:controlfield tag="', xml_escape($tag),'">', xml_escape($val), '</marc:controlfield>';
}
}
}
$self->fh->print(join "", @out, '</marc:record>');
}
sub commit {
my ($self) = @_;
if ($self->collection) {
$self->fh->print('</marc:collection>');
}
}
=head1 NAME
Catmandu::Exporter::MARC - serialize parsed MARC data
=head1 SYNOPSIS
use Catmandu::Exporter::MARC;
my $exporter = Catmandu::Exporter::MARC->new(file => "marc.xml", type => "XML");
my $data = {
record => [
...
[245, '1', '0', 'a', 'Cross-platform Perl /', 'c', 'Eric F. Johnson.'],
...
],
};
$exporter->add($data);
$exporter->commit;
# to serialize MARC-in-JSON:
my $exporter = Catmandu::Exporter::MARC->new(record_format => "MARC-in-JSON");
=cut
1;