_set_rec _set_lookup
_get_ds _clean_ds
_debug
+ _pack_subfields_hash
tag search display
marc marc_indicators marc_repeatable_subfield
marc_compose marc_leader
marc_duplicate marc_remove
+ marc_original_order
rec1 rec2 rec
regex prefix suffix surround
first lookup join_with
+ save_into_lookup
split_rec_on
/;
#use base qw/WebPAC::Common/;
use Data::Dump qw/dump/;
-use Encode qw/from_to/;
use Storable qw/dclone/;
# debugging warn(s)
=head1 VERSION
-Version 0.14
+Version 0.20
=cut
-our $VERSION = '0.14';
+our $VERSION = '0.20';
=head1 SYNOPSIS
Return data structure
my $ds = WebPAC::Normalize::data_structure(
- lookup => $lookup->lookup_hash,
+ lookup => $lookup_variable,
row => $row,
rules => $normalize_pl_config,
marc_encoding => 'utf-8',
config => $config,
);
-Options C<lookup>, C<row>, C<rules> and C<log> are mandatory while all
+Options C<row>, C<rules> and C<log> are mandatory while all
other are optional.
This function will B<die> if normalizastion can't be evaled.
die "need normalisation argument" unless ($arg->{rules});
no strict 'subs';
- _set_lookup( $arg->{lookup} );
+ _set_lookup( $arg->{lookup} ) if (defined( $arg->{lookup} ));
_set_rec( $arg->{row} );
- _set_config( $arg->{config} );
+ _set_config( $arg->{config} ) if (defined( $arg->{config} ));
_clean_ds( %{ $arg } );
eval "$arg->{rules}";
die "error evaling $arg->{rules}: $@\n" if ($@);
$lookup = shift;
}
+=head2 _get_lookup
+
+Get current lookup hash
+
+ my $lookup = _get_lookup();
+
+=cut
+
+sub _get_lookup {
+ return $lookup;
+}
+
=head2 _get_marc_fields
Get all fields defined by calls to C<marc>
foreach (@_) {
my $v = $_; # make var read-write for Encode
next unless (defined($v) && $v !~ /^\s*$/);
- from_to($v, 'iso-8859-2', $marc_encoding) if ($marc_encoding);
my ($i1,$i2) = defined($marc_indicators->{$f}) ? @{ $marc_indicators->{$f} } : (' ',' ');
if (defined $sf) {
push @{ $marc_record->[ $marc_record_offset ] }, [ $f, $i1, $i2, $sf => $v ];
'c', rec('200','c')
);
+If you specify C<+> for subfield, value will be appended
+to previous defined subfield.
+
=cut
sub marc_compose {
warn "### marc_compose input subfields = ", dump(@_),$/ if ($debug > 2);
+ if ($#_ % 2 != 1) {
+ die "ERROR: marc_compose",dump($f,@_)," not valid (must be even).\nDo you need to add first() or join() around some argument?\n";
+ }
+
while (@_) {
- my $sf = shift or die "marc_compose $f needs subfield";
+ my $sf = shift;
my $v = shift;
next unless (defined($v) && $v !~ /^\s*$/);
- from_to($v, 'iso-8859-2', $marc_encoding) if ($marc_encoding);
- push @$m, ( $sf, $v );
warn "## ++ marc_compose($f,$sf,$v) ", dump( $m ),$/ if ($debug > 1);
+ if ($sf ne '+') {
+ push @$m, ( $sf, $v );
+ } else {
+ $m->[ $#$m ] .= $v;
+ }
}
warn "## marc_compose current marc = ", dump( $m ),$/ if ($debug > 1);
warn "## full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 1);
}
+=head2 marc_original_order
+
+Copy all subfields preserving original order to marc field.
+
+ marc_original_order( marc_field_number, original_input_field_number );
+
+Please note that field numbers are consistent with other commands (marc
+field number first), but somewhat counter-intuitive (destination and then
+source).
+
+You might want to use this command if you are just renaming subfields or
+using pre-processing modify_record in C<config.yml> and don't need any
+post-processing or want to preserve order of original subfields.
+
+
+=cut
+
+sub marc_original_order {
+
+ my ($to, $from) = @_;
+ die "marc_original_order needs from and to fields\n" unless ($from && $to);
+
+ return unless defined($rec->{$from});
+
+ my $r = $rec->{$from};
+ die "record field $from isn't array\n" unless (ref($r) eq 'ARRAY');
+
+ my ($i1,$i2) = defined($marc_indicators->{$to}) ? @{ $marc_indicators->{$to} } : (' ',' ');
+ warn "## marc_original_order($to,$from) source = ", dump( $r ),$/ if ($debug > 1);
+
+ foreach my $d (@$r) {
+
+ if (! defined($d->{subfields}) && ref($d->{subfields}) ne 'ARRAY') {
+ warn "# marc_original_order($to,$from): field $from doesn't have subfields specification\n";
+ next;
+ }
+
+ my @sfs = @{ $d->{subfields} };
+
+ die "field $from doesn't have even number of subfields specifications\n" unless($#sfs % 2 == 1);
+
+ warn "#--> d: ",dump($d), "\n#--> sfs: ",dump(@sfs),$/ if ($debug > 2);
+
+ my $m = [ $to, $i1, $i2 ];
+
+ while (my $sf = shift @sfs) {
+
+ warn "#--> sf: ",dump($sf), $/ if ($debug > 2);
+ my $offset = shift @sfs;
+ die "corrupted sufields specification for field $from\n" unless defined($offset);
+
+ my $v;
+ if (ref($d->{$sf}) eq 'ARRAY') {
+ $v = $d->{$sf}->[$offset] if (defined($d->{$sf}->[$offset]));
+ } elsif ($offset == 0) {
+ $v = $d->{$sf};
+ } else {
+ die "field $from subfield '$sf' need occurence $offset which doesn't exist", dump($d->{$sf});
+ }
+ push @$m, ( $sf, $v ) if (defined($v));
+ }
+
+ if ($#{$m} > 2) {
+ push @{ $marc_record->[ $marc_record_offset ] }, $m;
+ }
+ }
+
+ warn "## marc_record = ", dump( $marc_record ),$/ if ($debug > 1);
+}
+
+
=head1 Functions to extract data from input
This function should be used inside functions to create C<data_structure> described
above.
+=head2 _pack_subfields_hash
+
+ @subfields = _pack_subfields_hash( $h );
+ $subfields = _pack_subfields_hash( $h, 1 );
+
+Return each subfield value in array or pack them all together and return scalar
+with subfields (denoted by C<^>) and values.
+
+=cut
+
+sub _pack_subfields_hash {
+
+ warn "## _pack_subfields_hash( ",dump(@_), " )\n" if ($debug > 1);
+
+ my ($h,$include_subfields) = @_;
+
+ if ( defined($h->{subfields}) ) {
+ my $sfs = delete $h->{subfields} || die "no subfields?";
+ my @out;
+ while (@$sfs) {
+ my $sf = shift @$sfs;
+ push @out, '^' . $sf if ($include_subfields);
+ my $o = shift @$sfs;
+ if ($o == 0 && ref( $h->{$sf} ) ne 'ARRAY' ) {
+ # single element subfields are not arrays
+#warn "====> $sf $o / $#$sfs ", dump( $sfs, $h->{$sf} ), "\n";
+
+ push @out, $h->{$sf};
+ } else {
+#warn "====> $sf $o / $#$sfs ", dump( $sfs, $h->{$sf} ), "\n";
+ push @out, $h->{$sf}->[$o];
+ }
+ }
+ if ($include_subfields) {
+ return join('', @out);
+ } else {
+ return @out;
+ }
+ } else {
+ if ($include_subfields) {
+ my $out = '';
+ foreach my $sf (sort keys %$h) {
+ if (ref($h->{$sf}) eq 'ARRAY') {
+ $out .= '^' . $sf . join('^' . $sf, @{ $h->{$sf} });
+ } else {
+ $out .= '^' . $sf . $h->{$sf};
+ }
+ }
+ return $out;
+ } else {
+ # FIXME this should probably be in alphabetical order instead of hash order
+ values %{$h};
+ }
+ }
+}
+
=head2 rec1
Return all values in some field
return unless (defined($rec) && defined($rec->{$f}));
warn "rec1($f) = ", dump( $rec->{$f} ), $/ if ($debug > 1);
if (ref($rec->{$f}) eq 'ARRAY') {
- return map {
- if (ref($_) eq 'HASH') {
- values %{$_};
+ my @out;
+ foreach my $h ( @{ $rec->{$f} } ) {
+ if (ref($h) eq 'HASH') {
+ push @out, ( _pack_subfields_hash( $h ) );
} else {
- $_;
+ push @out, $h;
}
- } @{ $rec->{$f} };
+ }
+ return @out;
} elsif( defined($rec->{$f}) ) {
return $rec->{$f};
}
@v = lookup( $v );
@v = lookup( @v );
+FIXME B<currently this one is broken!>
+
=cut
sub lookup {
}
}
+=head2 save_into_lookup
+
+Save value into lookup.
+
+ save_into_lookup($database,$input,$key,sub {
+ # code which produce one or more values
+ });
+
+This function shouldn't be called directly, it's called from code created by L<WebPAC::Parser>.
+
+=cut
+
+sub save_into_lookup {
+ my ($database,$input,$key,$coderef) = @_;
+ die "save_into_lookup needs database" unless defined($database);
+ die "save_into_lookup needs input" unless defined($input);
+ die "save_into_lookup needs key" unless defined($key);
+ die "save_into_lookup needs CODE" unless ( defined($coderef) && ref($coderef) eq 'CODE' );
+ my $mfn = $rec->{'000'}->[0] || die "mfn not defined or zero";
+ foreach my $v ( $coderef->() ) {
+ $lookup->{$database}->{$input}->{$key}->{$v}->{$mfn}++;
+ warn "# saved lookup $database/$input/$key [$v] $mfn\n"; #if ($debug > 1);
+ }
+}
+
=head2 config
Consult config values stored in C<config.yml>
my $v = shift @r;
warn "### first rec($fld,$sf) = ",dump($v),$/ if ($debug > 2);
- return '' if( ! defined($v) || $v =~ /^\s*$/);
+ return '' if ( ! defined($v) || $v =~ /^\s*$/);
my @s = split( $regex, $v );
warn "## split_rec_on($fld,$sf,$regex,$part) = ",dump(@s),$/ if ($debug > 1);