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package WebPAC::Normalize; |
package WebPAC::Normalize; |
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use Exporter 'import'; |
use Exporter 'import'; |
3 |
@EXPORT = qw/ |
our @EXPORT = qw/ |
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_set_rec _set_lookup |
_set_ds _set_lookup |
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_set_load_row |
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_get_ds _clean_ds |
_get_ds _clean_ds |
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_debug |
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_pack_subfields_hash |
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|
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tag search display |
to |
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marc marc_indicators marc_repeatable_subfield |
search_display search display sorted |
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rec1 rec2 rec |
rec1 rec2 rec |
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frec frec_eq frec_ne |
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regex prefix suffix surround |
regex prefix suffix surround |
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first lookup join_with |
first lookup join_with |
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save_into_lookup |
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split_rec_on |
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get set |
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count |
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/; |
/; |
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use warnings; |
use warnings; |
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use strict; |
use strict; |
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#use base qw/WebPAC::Common/; |
#use base qw/WebPAC::Common/; |
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use Data::Dumper; |
use Data::Dump qw/dump/; |
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use Encode qw/from_to/; |
use Carp qw/confess/; |
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=head1 NAME |
# debugging warn(s) |
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my $debug = 0; |
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_debug( $debug ); |
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# FIXME |
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use WebPAC::Normalize::ISBN; |
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push @EXPORT, ( 'isbn_10', 'isbn_13' ); |
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WebPAC::Normalize - describe normalisaton rules using sets |
use WebPAC::Normalize::MARC; |
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push @EXPORT, ( qw/ |
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marc marc_indicators marc_repeatable_subfield |
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marc_compose marc_leader marc_fixed |
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marc_duplicate marc_remove marc_count |
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marc_original_order |
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marc_template |
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/); |
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=head1 VERSION |
use Storable qw/dclone/; |
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Version 0.06 |
=head1 NAME |
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WebPAC::Normalize - describe normalisaton rules using sets |
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=cut |
=cut |
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our $VERSION = '0.06'; |
our $VERSION = '0.36'; |
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=head1 SYNOPSIS |
=head1 SYNOPSIS |
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C<perl -c normalize.pl>. |
C<perl -c normalize.pl>. |
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Normalisation can generate multiple output normalized data. For now, supported output |
Normalisation can generate multiple output normalized data. For now, supported output |
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types (on the left side of definition) are: C<tag>, C<display>, C<search> and |
types (on the left side of definition) are: C<search_display>, C<display>, C<search> and |
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C<marc>. |
C<marc>. |
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=head1 FUNCTIONS |
=head1 FUNCTIONS |
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Return data structure |
Return data structure |
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my $ds = WebPAC::Normalize::data_structure( |
my $ds = WebPAC::Normalize::data_structure( |
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lookup => $lookup->lookup_hash, |
lookup => $lookup_hash, |
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row => $row, |
row => $row, |
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rules => $normalize_pl_config, |
rules => $normalize_pl_config, |
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marc_encoding => 'utf-8', |
marc_encoding => 'utf-8', |
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config => $config, |
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load_row_coderef => sub { |
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my ($database,$input,$mfn) = @_; |
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$store->load_row( database => $database, input => $input, id => $mfn ); |
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}, |
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); |
); |
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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 |
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other are optional. |
other are optional. |
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C<load_row_coderef> is closure only used when executing lookups, so they will |
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die if it's not defined. |
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This function will B<die> if normalizastion can't be evaled. |
This function will B<die> if normalizastion can't be evaled. |
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Since this function isn't exported you have to call it with |
Since this function isn't exported you have to call it with |
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=cut |
=cut |
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my $load_row_coderef; |
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sub data_structure { |
sub data_structure { |
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my $arg = {@_}; |
my $arg = {@_}; |
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die "need row argument" unless ($arg->{row}); |
die "need row argument" unless ($arg->{row}); |
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die "need normalisation argument" unless ($arg->{rules}); |
die "need normalisation argument" unless ($arg->{rules}); |
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no strict 'subs'; |
_set_lookup( $arg->{lookup} ) if defined($arg->{lookup}); |
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_set_lookup( $arg->{lookup} ); |
_set_ds( $arg->{row} ); |
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_set_rec( $arg->{row} ); |
_set_config( $arg->{config} ) if defined($arg->{config}); |
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_clean_ds( %{ $arg } ); |
_clean_ds( %{ $arg } ); |
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eval "$arg->{rules}"; |
$load_row_coderef = $arg->{load_row_coderef}; |
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no strict 'subs'; |
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no warnings 'redefine'; |
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eval "$arg->{rules};"; |
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die "error evaling $arg->{rules}: $@\n" if ($@); |
die "error evaling $arg->{rules}: $@\n" if ($@); |
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return _get_ds(); |
return _get_ds(); |
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} |
} |
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=head2 _set_rec |
=head2 _set_ds |
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Set current record hash |
Set current record hash |
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_set_rec( $rec ); |
_set_ds( $rec ); |
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=cut |
=cut |
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my $rec; |
my $rec; |
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sub _set_rec { |
sub _set_ds { |
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$rec = shift or die "no record hash"; |
$rec = shift or die "no record hash"; |
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$WebPAC::Normalize::MARC::rec = $rec; |
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} |
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=head2 |
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my $rec = _get_rec(); |
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=cut |
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sub _get_rec { $rec }; |
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=head2 _set_config |
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Set current config hash |
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_set_config( $config ); |
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Magic keys are: |
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=over 4 |
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=item _ |
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Code of current database |
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=item _mfn |
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Current MFN |
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=back |
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=cut |
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my $config; |
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sub _set_config { |
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$config = shift; |
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} |
} |
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=head2 _get_ds |
=head2 _get_ds |
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=cut |
=cut |
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my ($out,$marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators); |
my $out; |
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sub _get_ds { |
sub _get_ds { |
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#warn "## out = ",dump($out); |
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return $out; |
return $out; |
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} |
} |
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sub _clean_ds { |
sub _clean_ds { |
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my $a = {@_}; |
my $a = {@_}; |
206 |
($out,$marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators) = (undef); |
$out = undef; |
207 |
$marc_encoding = $a->{marc_encoding}; |
WebPAC::Normalize::MARC::_clean(); |
208 |
} |
} |
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=head2 _set_lookup |
=head2 _set_lookup |
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$lookup = shift; |
$lookup = shift; |
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} |
} |
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=head2 _get_marc_fields |
=head2 _get_lookup |
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Get all fields defined by calls to C<marc> |
Get current lookup hash |
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$marc->add_fields( WebPAC::Normalize:_get_marc_fields() ); |
my $lookup = _get_lookup(); |
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=cut |
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sub _get_lookup { |
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return $lookup; |
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} |
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We are using I<magic> which detect repeatable fields only from |
=head2 _set_load_row |
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sequence of field/subfield data generated by normalization. |
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Repeatable field is created if there is second occurence of same subfield or |
Setup code reference which will return L<data_structure> from |
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if any of indicators are different. This is sane for most cases except for |
L<WebPAC::Store> |
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non-repeatable fields with repeatable subfields. |
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You can change behaviour of that using C<marc_repeatable_subfield>. |
_set_load_row(sub { |
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my ($database,$input,$mfn) = @_; |
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$store->load_row( database => $database, input => $input, id => $mfn ); |
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}); |
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=cut |
=cut |
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sub _get_marc_fields { |
sub _set_load_row { |
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my @m; |
my $coderef = shift; |
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my $last; |
confess "argument isn't CODE" unless ref($coderef) eq 'CODE'; |
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foreach my $row (@{ $marc_record }) { |
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if ($last && |
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$last->[0] eq $row->[0] && # check if field is same |
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$last->[1] eq $row->[1] && # check for i1 |
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$last->[2] eq $row->[2] && # and for i2 |
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( $last->[3] ne $row->[3] || # and subfield is different |
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$last->[3] eq $row->[3] && # or subfield is same, |
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$marc_repeatable_subfield->{ $row->[3] } # but is repeatable |
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) |
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) { |
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push @$last, ( $row->[3] , $row->[4] ); |
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next; |
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} elsif ($last) { |
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push @m, $last; |
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} |
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$last = $row; |
$load_row_coderef = $coderef; |
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} |
} |
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=head2 _debug |
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Change level of debug warnings |
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_debug( 2 ); |
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push @m, $last if ($last); |
=cut |
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return @m; |
sub _debug { |
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my $l = shift; |
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return $debug unless defined($l); |
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warn "debug level $l",$/ if ($l > 0); |
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$debug = $l; |
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$WebPAC::Normalize::MARC::debug = $debug; |
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} |
} |
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=head1 Functions to create C<data_structure> |
=head1 Functions to create C<data_structure> |
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Those functions generally have to first in your normalization file. |
Those functions generally have to first in your normalization file. |
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=head2 tag |
=head2 to |
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Define new tag for I<search> and I<display>. |
Generic way to set values for some name |
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tag('Title', rec('200','a') ); |
to('field-name', 'name-value' => rec('200','a') ); |
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There are many helpers defined below which might be easier to use. |
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=cut |
=cut |
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sub tag { |
sub to { |
286 |
my $name = shift or die "tag needs name as first argument"; |
my $type = shift or confess "need type -- BUG?"; |
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my $name = shift or confess "needs name as first argument"; |
288 |
my @o = grep { defined($_) && $_ ne '' } @_; |
my @o = grep { defined($_) && $_ ne '' } @_; |
289 |
return unless (@o); |
return unless (@o); |
290 |
$out->{$name}->{tag} = $name; |
$out->{$name}->{$type} = \@o; |
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$out->{$name}->{search} = \@o; |
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$out->{$name}->{display} = \@o; |
|
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} |
} |
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=head2 display |
=head2 search_display |
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Define tag just for I<display> |
Define output for L<search> and L<display> at the same time |
296 |
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@v = display('Title', rec('200','a') ); |
search_display('Title', rec('200','a') ); |
298 |
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299 |
=cut |
=cut |
300 |
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sub display { |
sub search_display { |
302 |
my $name = shift or die "display needs name as first argument"; |
my $name = shift or die "search_display needs name as first argument"; |
303 |
my @o = grep { defined($_) && $_ ne '' } @_; |
my @o = grep { defined($_) && $_ ne '' } @_; |
304 |
return unless (@o); |
return unless (@o); |
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$out->{$name}->{tag} = $name; |
$out->{$name}->{search} = \@o; |
306 |
$out->{$name}->{display} = \@o; |
$out->{$name}->{display} = \@o; |
307 |
} |
} |
308 |
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=head2 search |
=head2 tag |
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Prepare values just for I<search> |
|
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@v = search('Title', rec('200','a') ); |
Old name for L<search_display>, it will probably be removed at one point. |
312 |
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313 |
=cut |
=cut |
314 |
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315 |
sub search { |
sub tag { |
316 |
my $name = shift or die "search needs name as first argument"; |
search_display( @_ ); |
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my @o = grep { defined($_) && $_ ne '' } @_; |
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return unless (@o); |
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$out->{$name}->{tag} = $name; |
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$out->{$name}->{search} = \@o; |
|
317 |
} |
} |
318 |
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=head2 marc |
=head2 display |
320 |
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Save value for MARC field |
Define output just for I<display> |
322 |
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marc('900','a', rec('200','a') ); |
@v = display('Title', rec('200','a') ); |
324 |
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325 |
=cut |
=cut |
326 |
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327 |
sub marc { |
sub display { to( 'display', @_ ) } |
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my $f = shift or die "marc needs field"; |
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die "marc field must be numer" unless ($f =~ /^\d+$/); |
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328 |
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329 |
my $sf = shift or die "marc needs subfield"; |
=head2 search |
330 |
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331 |
foreach (@_) { |
Prepare values just for I<search> |
332 |
my $v = $_; # make var read-write for Encode |
|
333 |
next unless (defined($v) && $v !~ /^\s*$/); |
@v = search('Title', rec('200','a') ); |
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from_to($v, 'iso-8859-2', $marc_encoding) if ($marc_encoding); |
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my ($i1,$i2) = defined($marc_indicators->{$f}) ? @{ $marc_indicators->{$f} } : (' ',' '); |
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push @{ $marc_record }, [ $f, $i1, $i2, $sf => $v ]; |
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} |
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} |
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=head2 marc_repeatable_subfield |
=cut |
336 |
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337 |
Save values for MARC repetable subfield |
sub search { to( 'search', @_ ) } |
338 |
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339 |
marc_repeatable_subfield('910', 'z', rec('909') ); |
=head2 sorted |
340 |
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341 |
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Insert into lists which will be automatically sorted |
342 |
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343 |
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sorted('Title', rec('200','a') ); |
344 |
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345 |
=cut |
=cut |
346 |
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347 |
sub marc_repeatable_subfield { |
sub sorted { to( 'sorted', @_ ) } |
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die "marc_repeatable_subfield need subfield!\n" unless (defined($_[1])); |
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$marc_repeatable_subfield->{ $_[1] }++; |
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marc(@_); |
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} |
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348 |
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=head2 marc_indicators |
|
349 |
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350 |
Set both indicators for MARC field |
=head1 Functions to extract data from input |
351 |
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352 |
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This function should be used inside functions to create C<data_structure> described |
353 |
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above. |
354 |
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355 |
marc_indicators('900', ' ', 1); |
=head2 _pack_subfields_hash |
356 |
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357 |
Any indicator value other than C<0-9> will be treated as undefined. |
@subfields = _pack_subfields_hash( $h ); |
358 |
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$subfields = _pack_subfields_hash( $h, 1 ); |
359 |
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360 |
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Return each subfield value in array or pack them all together and return scalar |
361 |
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with subfields (denoted by C<^>) and values. |
362 |
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363 |
=cut |
=cut |
364 |
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365 |
sub marc_indicators { |
sub _pack_subfields_hash { |
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my $f = shift || die "marc_indicators need field!\n"; |
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my ($i1,$i2) = @_; |
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die "marc_indicators($f, ...) need i1!\n" unless(defined($i1)); |
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die "marc_indicators($f, $i1, ...) need i2!\n" unless(defined($i2)); |
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366 |
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367 |
$i1 = ' ' if ($i1 !~ /^\d$/); |
warn "## _pack_subfields_hash( ",dump(@_), " )\n" if ($debug > 1); |
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$i2 = ' ' if ($i2 !~ /^\d$/); |
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@{ $marc_indicators->{$f} } = ($i1,$i2); |
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} |
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368 |
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369 |
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my ($hash,$include_subfields) = @_; |
370 |
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371 |
=head1 Functions to extract data from input |
# sanity and ease of use |
372 |
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return $hash if (ref($hash) ne 'HASH'); |
373 |
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374 |
This function should be used inside functions to create C<data_structure> described |
my $h = dclone( $hash ); |
375 |
above. |
|
376 |
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if ( defined($h->{subfields}) ) { |
377 |
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my $sfs = delete $h->{subfields} || die "no subfields?"; |
378 |
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my @out; |
379 |
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while (@$sfs) { |
380 |
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my $sf = shift @$sfs; |
381 |
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push @out, '^' . $sf if ($include_subfields); |
382 |
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my $o = shift @$sfs; |
383 |
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if ($o == 0 && ref( $h->{$sf} ) ne 'ARRAY' ) { |
384 |
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# single element subfields are not arrays |
385 |
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#warn "====> $sf $o / $#$sfs ", dump( $sfs, $h->{$sf} ), "\n"; |
386 |
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387 |
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push @out, $h->{$sf}; |
388 |
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} else { |
389 |
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#warn "====> $sf $o / $#$sfs ", dump( $sfs, $h->{$sf} ), "\n"; |
390 |
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push @out, $h->{$sf}->[$o]; |
391 |
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} |
392 |
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} |
393 |
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if ($include_subfields) { |
394 |
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return join('', @out); |
395 |
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} else { |
396 |
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return @out; |
397 |
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} |
398 |
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} else { |
399 |
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if ($include_subfields) { |
400 |
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my $out = ''; |
401 |
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foreach my $sf (sort keys %$h) { |
402 |
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if (ref($h->{$sf}) eq 'ARRAY') { |
403 |
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$out .= '^' . $sf . join('^' . $sf, @{ $h->{$sf} }); |
404 |
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} else { |
405 |
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$out .= '^' . $sf . $h->{$sf}; |
406 |
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} |
407 |
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} |
408 |
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return $out; |
409 |
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} else { |
410 |
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# FIXME this should probably be in alphabetical order instead of hash order |
411 |
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values %{$h}; |
412 |
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} |
413 |
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} |
414 |
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} |
415 |
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416 |
=head2 rec1 |
=head2 rec1 |
417 |
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425 |
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426 |
sub rec1 { |
sub rec1 { |
427 |
my $f = shift; |
my $f = shift; |
428 |
|
warn "rec1($f) = ", dump( $rec->{$f} ), $/ if ($debug > 1); |
429 |
return unless (defined($rec) && defined($rec->{$f})); |
return unless (defined($rec) && defined($rec->{$f})); |
430 |
|
warn "rec1($f) = ", dump( $rec->{$f} ), $/ if ($debug > 1); |
431 |
if (ref($rec->{$f}) eq 'ARRAY') { |
if (ref($rec->{$f}) eq 'ARRAY') { |
432 |
return map { |
my @out; |
433 |
if (ref($_) eq 'HASH') { |
foreach my $h ( @{ $rec->{$f} } ) { |
434 |
values %{$_}; |
if (ref($h) eq 'HASH') { |
435 |
|
push @out, ( _pack_subfields_hash( $h ) ); |
436 |
} else { |
} else { |
437 |
$_; |
push @out, $h; |
438 |
} |
} |
439 |
} @{ $rec->{$f} }; |
} |
440 |
|
return @out; |
441 |
} elsif( defined($rec->{$f}) ) { |
} elsif( defined($rec->{$f}) ) { |
442 |
return $rec->{$f}; |
return $rec->{$f}; |
443 |
} |
} |
455 |
my $f = shift; |
my $f = shift; |
456 |
return unless (defined($rec && $rec->{$f})); |
return unless (defined($rec && $rec->{$f})); |
457 |
my $sf = shift; |
my $sf = shift; |
458 |
return map { $_->{$sf} } grep { ref($_) eq 'HASH' && $_->{$sf} } @{ $rec->{$f} }; |
warn "rec2($f,$sf) = ", dump( $rec->{$f} ), $/ if ($debug > 1); |
459 |
|
return map { |
460 |
|
if (ref($_->{$sf}) eq 'ARRAY') { |
461 |
|
@{ $_->{$sf} }; |
462 |
|
} else { |
463 |
|
$_->{$sf}; |
464 |
|
} |
465 |
|
} grep { ref($_) eq 'HASH' && defined $_->{$sf} } @{ $rec->{$f} }; |
466 |
} |
} |
467 |
|
|
468 |
=head2 rec |
=head2 rec |
472 |
@v = rec('200') |
@v = rec('200') |
473 |
@v = rec('200','a') |
@v = rec('200','a') |
474 |
|
|
475 |
|
If rec() returns just single value, it will |
476 |
|
return scalar, not array. |
477 |
|
|
478 |
=cut |
=cut |
479 |
|
|
480 |
sub rec { |
sub rec { |
481 |
|
my @out; |
482 |
if ($#_ == 0) { |
if ($#_ == 0) { |
483 |
return rec1(@_); |
@out = rec1(@_); |
484 |
} elsif ($#_ == 1) { |
} elsif ($#_ == 1) { |
485 |
return rec2(@_); |
@out = rec2(@_); |
486 |
} |
} |
487 |
|
if ($#out == 0 && ! wantarray) { |
488 |
|
return $out[0]; |
489 |
|
} elsif (@out) { |
490 |
|
return @out; |
491 |
|
} else { |
492 |
|
return ''; |
493 |
|
} |
494 |
|
} |
495 |
|
|
496 |
|
=head2 frec |
497 |
|
|
498 |
|
Returns first value from field |
499 |
|
|
500 |
|
$v = frec('200'); |
501 |
|
$v = frec('200','a'); |
502 |
|
|
503 |
|
=cut |
504 |
|
|
505 |
|
sub frec { |
506 |
|
my @out = rec(@_); |
507 |
|
warn "rec(",dump(@_),") has more than one return value, ignoring\n" if $#out > 0; |
508 |
|
return shift @out; |
509 |
|
} |
510 |
|
|
511 |
|
=head2 frec_eq |
512 |
|
|
513 |
|
=head2 frec_ne |
514 |
|
|
515 |
|
Check if first values from two fields are same or different |
516 |
|
|
517 |
|
if ( frec_eq( 900 => 'a', 910 => 'c' ) ) { |
518 |
|
# values are same |
519 |
|
} else { |
520 |
|
# values are different |
521 |
|
} |
522 |
|
|
523 |
|
Strictly speaking C<frec_eq> and C<frec_ne> wouldn't be needed if you |
524 |
|
could write something like: |
525 |
|
|
526 |
|
if ( frec( '900','a' ) eq frec( '910','c' ) ) { |
527 |
|
# yada tada |
528 |
|
} |
529 |
|
|
530 |
|
but you can't since our parser L<WebPAC::Parser> will remove all whitespaces |
531 |
|
in order to parse text and create invalid function C<eqfrec>. |
532 |
|
|
533 |
|
=cut |
534 |
|
|
535 |
|
sub frec_eq { |
536 |
|
my ( $f1,$sf1, $f2, $sf2 ) = @_; |
537 |
|
return (rec( $f1, $sf1 ))[0] eq (rec( $f2, $sf2 ))[0]; |
538 |
|
} |
539 |
|
|
540 |
|
sub frec_ne { |
541 |
|
return ! frec_eq( @_ ); |
542 |
} |
} |
543 |
|
|
544 |
=head2 regex |
=head2 regex |
552 |
sub regex { |
sub regex { |
553 |
my $r = shift; |
my $r = shift; |
554 |
my @out; |
my @out; |
555 |
#warn "r: $r\n",Dumper(\@_); |
#warn "r: $r\n", dump(\@_); |
556 |
foreach my $t (@_) { |
foreach my $t (@_) { |
557 |
next unless ($t); |
next unless ($t); |
558 |
eval "\$t =~ $r"; |
eval "\$t =~ $r"; |
570 |
=cut |
=cut |
571 |
|
|
572 |
sub prefix { |
sub prefix { |
573 |
my $p = shift or die "prefix needs string as first argument"; |
my $p = shift; |
574 |
|
return @_ unless defined( $p ); |
575 |
return map { $p . $_ } grep { defined($_) } @_; |
return map { $p . $_ } grep { defined($_) } @_; |
576 |
} |
} |
577 |
|
|
584 |
=cut |
=cut |
585 |
|
|
586 |
sub suffix { |
sub suffix { |
587 |
my $s = shift or die "suffix needs string as first argument"; |
my $s = shift; |
588 |
|
return @_ unless defined( $s ); |
589 |
return map { $_ . $s } grep { defined($_) } @_; |
return map { $_ . $s } grep { defined($_) } @_; |
590 |
} |
} |
591 |
|
|
598 |
=cut |
=cut |
599 |
|
|
600 |
sub surround { |
sub surround { |
601 |
my $p = shift or die "surround need prefix as first argument"; |
my $p = shift; |
602 |
my $s = shift or die "surround needs suffix as second argument"; |
my $s = shift; |
603 |
|
$p = '' unless defined( $p ); |
604 |
|
$s = '' unless defined( $s ); |
605 |
return map { $p . $_ . $s } grep { defined($_) } @_; |
return map { $p . $_ . $s } grep { defined($_) } @_; |
606 |
} |
} |
607 |
|
|
622 |
|
|
623 |
Consult lookup hashes for some value |
Consult lookup hashes for some value |
624 |
|
|
625 |
@v = lookup( $v ); |
@v = lookup( |
626 |
@v = lookup( @v ); |
sub { |
627 |
|
'ffkk/peri/mfn'.rec('000') |
628 |
|
}, |
629 |
|
'ffkk','peri','200-a-200-e', |
630 |
|
sub { |
631 |
|
first(rec(200,'a')).' '.first(rec('200','e')) |
632 |
|
} |
633 |
|
); |
634 |
|
|
635 |
|
Code like above will be B<automatically generated> using L<WebPAC::Parse> from |
636 |
|
normal lookup definition in C<conf/lookup/something.pl> which looks like: |
637 |
|
|
638 |
|
lookup( |
639 |
|
# which results to return from record recorded in lookup |
640 |
|
sub { 'ffkk/peri/mfn' . rec('000') }, |
641 |
|
# from which database and input |
642 |
|
'ffkk','peri', |
643 |
|
# such that following values match |
644 |
|
sub { first(rec(200,'a')) . ' ' . first(rec('200','e')) }, |
645 |
|
# if this part is missing, we will try to match same fields |
646 |
|
# from lookup record and current one, or you can override |
647 |
|
# which records to use from current record using |
648 |
|
sub { rec('900','x') . ' ' . rec('900','y') }, |
649 |
|
) |
650 |
|
|
651 |
|
You can think about this lookup as SQL (if that helps): |
652 |
|
|
653 |
|
select |
654 |
|
sub { what } |
655 |
|
from |
656 |
|
database, input |
657 |
|
where |
658 |
|
sub { filter from lookuped record } |
659 |
|
having |
660 |
|
sub { optional filter on current record } |
661 |
|
|
662 |
|
Easy as pie, right? |
663 |
|
|
664 |
=cut |
=cut |
665 |
|
|
666 |
sub lookup { |
sub lookup { |
667 |
my $k = shift or return; |
my ($what, $database, $input, $key, $having) = @_; |
668 |
return unless (defined($lookup->{$k})); |
|
669 |
if (ref($lookup->{$k}) eq 'ARRAY') { |
confess "lookup needs 5 arguments: what, database, input, key, having\n" unless ($#_ == 4); |
670 |
return @{ $lookup->{$k} }; |
|
671 |
|
warn "## lookup ($database, $input, $key)", $/ if ($debug > 1); |
672 |
|
return unless (defined($lookup->{$database}->{$input}->{$key})); |
673 |
|
|
674 |
|
confess "lookup really need load_row_coderef added to data_structure\n" unless ($load_row_coderef); |
675 |
|
|
676 |
|
my $mfns; |
677 |
|
my @having = $having->(); |
678 |
|
|
679 |
|
warn "## having = ", dump( @having ) if ($debug > 2); |
680 |
|
|
681 |
|
foreach my $h ( @having ) { |
682 |
|
if (defined($lookup->{$database}->{$input}->{$key}->{$h})) { |
683 |
|
warn "lookup for $database/$input/$key/$h return ",dump($lookup->{$database}->{$input}->{$key}->{$h}),"\n" if ($debug); |
684 |
|
$mfns->{$_}++ foreach keys %{ $lookup->{$database}->{$input}->{$key}->{$h} }; |
685 |
|
} |
686 |
|
} |
687 |
|
|
688 |
|
return unless ($mfns); |
689 |
|
|
690 |
|
my @mfns = sort keys %$mfns; |
691 |
|
|
692 |
|
warn "# lookup loading $database/$input/$key mfn ", join(",",@mfns)," having ",dump(@having),"\n" if ($debug); |
693 |
|
|
694 |
|
my $old_rec = $rec; |
695 |
|
my @out; |
696 |
|
|
697 |
|
foreach my $mfn (@mfns) { |
698 |
|
$rec = $load_row_coderef->( $database, $input, $mfn ); |
699 |
|
|
700 |
|
warn "got $database/$input/$mfn = ", dump($rec), $/ if ($debug); |
701 |
|
|
702 |
|
my @vals = $what->(); |
703 |
|
|
704 |
|
push @out, ( @vals ); |
705 |
|
|
706 |
|
warn "lookup for mfn $mfn returned ", dump(@vals), $/ if ($debug); |
707 |
|
} |
708 |
|
|
709 |
|
# if (ref($lookup->{$k}) eq 'ARRAY') { |
710 |
|
# return @{ $lookup->{$k} }; |
711 |
|
# } else { |
712 |
|
# return $lookup->{$k}; |
713 |
|
# } |
714 |
|
|
715 |
|
$rec = $old_rec; |
716 |
|
|
717 |
|
warn "## lookup returns = ", dump(@out), $/ if ($debug); |
718 |
|
|
719 |
|
if ($#out == 0) { |
720 |
|
return $out[0]; |
721 |
|
} else { |
722 |
|
return @out; |
723 |
|
} |
724 |
|
} |
725 |
|
|
726 |
|
=head2 save_into_lookup |
727 |
|
|
728 |
|
Save value into lookup. It associates current database, input |
729 |
|
and specific keys with one or more values which will be |
730 |
|
associated over MFN. |
731 |
|
|
732 |
|
MFN will be extracted from first occurence current of field 000 |
733 |
|
in current record, or if it doesn't exist from L<_set_config> C<_mfn>. |
734 |
|
|
735 |
|
my $nr = save_into_lookup($database,$input,$key,sub { |
736 |
|
# code which produce one or more values |
737 |
|
}); |
738 |
|
|
739 |
|
It returns number of items saved. |
740 |
|
|
741 |
|
This function shouldn't be called directly, it's called from code created by |
742 |
|
L<WebPAC::Parser>. |
743 |
|
|
744 |
|
=cut |
745 |
|
|
746 |
|
sub save_into_lookup { |
747 |
|
my ($database,$input,$key,$coderef) = @_; |
748 |
|
die "save_into_lookup needs database" unless defined($database); |
749 |
|
die "save_into_lookup needs input" unless defined($input); |
750 |
|
die "save_into_lookup needs key" unless defined($key); |
751 |
|
die "save_into_lookup needs CODE" unless ( defined($coderef) && ref($coderef) eq 'CODE' ); |
752 |
|
|
753 |
|
warn "## save_into_lookup rec = ", dump($rec), " config = ", dump($config), $/ if ($debug > 2); |
754 |
|
|
755 |
|
my $mfn = |
756 |
|
defined($rec->{'000'}->[0]) ? $rec->{'000'}->[0] : |
757 |
|
defined($config->{_mfn}) ? $config->{_mfn} : |
758 |
|
die "mfn not defined or zero"; |
759 |
|
|
760 |
|
my $nr = 0; |
761 |
|
|
762 |
|
foreach my $v ( $coderef->() ) { |
763 |
|
$lookup->{$database}->{$input}->{$key}->{$v}->{$mfn}++; |
764 |
|
warn "# saved lookup $database/$input/$key [$v] $mfn\n" if ($debug > 1); |
765 |
|
$nr++; |
766 |
|
} |
767 |
|
|
768 |
|
return $nr; |
769 |
|
} |
770 |
|
|
771 |
|
=head2 config |
772 |
|
|
773 |
|
Consult config values stored in C<config.yml> |
774 |
|
|
775 |
|
# return database code (key under databases in yaml) |
776 |
|
$database_code = config(); # use _ from hash |
777 |
|
$database_name = config('name'); |
778 |
|
$database_input_name = config('input name'); |
779 |
|
|
780 |
|
Up to three levels are supported. |
781 |
|
|
782 |
|
=cut |
783 |
|
|
784 |
|
sub config { |
785 |
|
return unless ($config); |
786 |
|
|
787 |
|
my $p = shift; |
788 |
|
|
789 |
|
$p ||= ''; |
790 |
|
|
791 |
|
my $v; |
792 |
|
|
793 |
|
warn "### getting config($p)\n" if ($debug > 1); |
794 |
|
|
795 |
|
my @p = split(/\s+/,$p); |
796 |
|
if ($#p < 0) { |
797 |
|
$v = $config->{ '_' }; # special, database code |
798 |
} else { |
} else { |
799 |
return $lookup->{$k}; |
|
800 |
|
my $c = dclone( $config ); |
801 |
|
|
802 |
|
foreach my $k (@p) { |
803 |
|
warn "### k: $k c = ",dump($c),$/ if ($debug > 1); |
804 |
|
if (ref($c) eq 'ARRAY') { |
805 |
|
$c = shift @$c; |
806 |
|
warn "config($p) taking first occurence of '$k', probably not what you wanted!\n"; |
807 |
|
last; |
808 |
|
} |
809 |
|
|
810 |
|
if (! defined($c->{$k}) ) { |
811 |
|
$c = undef; |
812 |
|
last; |
813 |
|
} else { |
814 |
|
$c = $c->{$k}; |
815 |
|
} |
816 |
|
} |
817 |
|
$v = $c if ($c); |
818 |
|
|
819 |
} |
} |
820 |
|
|
821 |
|
warn "## config( '$p' ) = ",dump( $v ),$/ if ($v && $debug); |
822 |
|
warn "config( '$p' ) is empty\n" if (! $v); |
823 |
|
|
824 |
|
return $v; |
825 |
|
} |
826 |
|
|
827 |
|
=head2 id |
828 |
|
|
829 |
|
Returns unique id of this record |
830 |
|
|
831 |
|
$id = id(); |
832 |
|
|
833 |
|
Returns C<42/2> for 2nd occurence of MFN 42. |
834 |
|
|
835 |
|
=cut |
836 |
|
|
837 |
|
sub id { |
838 |
|
my $mfn = $config->{_mfn} || die "no _mfn in config data"; |
839 |
|
return $mfn . ( WebPAC::Normalize::MARC::_created_marc_records() || '' ); |
840 |
} |
} |
841 |
|
|
842 |
=head2 join_with |
=head2 join_with |
849 |
|
|
850 |
sub join_with { |
sub join_with { |
851 |
my $d = shift; |
my $d = shift; |
852 |
return join($d, grep { defined($_) && $_ ne '' } @_); |
warn "### join_with('$d',",dump(@_),")\n" if ($debug > 2); |
853 |
|
my $v = join($d, grep { defined($_) && $_ ne '' } @_); |
854 |
|
return '' unless defined($v); |
855 |
|
return $v; |
856 |
|
} |
857 |
|
|
858 |
|
=head2 split_rec_on |
859 |
|
|
860 |
|
Split record subfield on some regex and take one of parts out |
861 |
|
|
862 |
|
$a_before_semi_column = |
863 |
|
split_rec_on('200','a', /\s*;\s*/, $part); |
864 |
|
|
865 |
|
C<$part> is optional number of element. First element is |
866 |
|
B<1>, not 0! |
867 |
|
|
868 |
|
If there is no C<$part> parameter or C<$part> is 0, this function will |
869 |
|
return all values produced by splitting. |
870 |
|
|
871 |
|
=cut |
872 |
|
|
873 |
|
sub split_rec_on { |
874 |
|
die "split_rec_on need (fld,sf,regex[,part]" if ($#_ < 2); |
875 |
|
|
876 |
|
my ($fld, $sf, $regex, $part) = @_; |
877 |
|
warn "### regex ", ref($regex), $regex, $/ if ($debug > 2); |
878 |
|
|
879 |
|
my @r = rec( $fld, $sf ); |
880 |
|
my $v = shift @r; |
881 |
|
warn "### first rec($fld,$sf) = ",dump($v),$/ if ($debug > 2); |
882 |
|
|
883 |
|
return '' if ( ! defined($v) || $v =~ /^\s*$/); |
884 |
|
|
885 |
|
my @s = split( $regex, $v ); |
886 |
|
warn "## split_rec_on($fld,$sf,$regex,$part) = ",dump(@s),$/ if ($debug > 1); |
887 |
|
if ($part && $part > 0) { |
888 |
|
return $s[ $part - 1 ]; |
889 |
|
} else { |
890 |
|
return @s; |
891 |
|
} |
892 |
|
} |
893 |
|
|
894 |
|
my $hash; |
895 |
|
|
896 |
|
=head2 set |
897 |
|
|
898 |
|
set( key => 'value' ); |
899 |
|
|
900 |
|
=cut |
901 |
|
|
902 |
|
sub set { |
903 |
|
my ($k,$v) = @_; |
904 |
|
warn "## set ( $k => ", dump($v), " )", $/ if ( $debug ); |
905 |
|
$hash->{$k} = $v; |
906 |
|
}; |
907 |
|
|
908 |
|
=head2 get |
909 |
|
|
910 |
|
get( 'key' ); |
911 |
|
|
912 |
|
=cut |
913 |
|
|
914 |
|
sub get { |
915 |
|
my $k = shift || return; |
916 |
|
my $v = $hash->{$k}; |
917 |
|
warn "## get $k = ", dump( $v ), $/ if ( $debug ); |
918 |
|
return $v; |
919 |
|
} |
920 |
|
|
921 |
|
=head2 count |
922 |
|
|
923 |
|
if ( count( @result ) == 1 ) { |
924 |
|
# do something if only 1 result is there |
925 |
|
} |
926 |
|
|
927 |
|
=cut |
928 |
|
|
929 |
|
sub count { |
930 |
|
warn "## count ",dump(@_),$/ if ( $debug ); |
931 |
|
return @_ . ''; |
932 |
} |
} |
933 |
|
|
934 |
# END |
# END |