1 |
package WebPAC::Normalize; |
package WebPAC::Normalize; |
2 |
use Exporter 'import'; |
use Exporter 'import'; |
3 |
@EXPORT = qw/ |
our @EXPORT = qw/ |
4 |
_set_rec _set_lookup |
_set_ds _set_lookup |
5 |
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_set_load_row |
6 |
_get_ds _clean_ds |
_get_ds _clean_ds |
7 |
_debug |
_debug |
8 |
_pack_subfields_hash |
_pack_subfields_hash |
9 |
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10 |
tag search display |
search_display search display sorted |
11 |
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12 |
marc marc_indicators marc_repeatable_subfield |
marc marc_indicators marc_repeatable_subfield |
13 |
marc_compose marc_leader |
marc_compose marc_leader marc_fixed |
14 |
marc_duplicate marc_remove |
marc_duplicate marc_remove marc_count |
15 |
marc_original_order |
marc_original_order |
16 |
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17 |
rec1 rec2 rec |
rec1 rec2 rec |
18 |
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frec |
19 |
regex prefix suffix surround |
regex prefix suffix surround |
20 |
first lookup join_with |
first lookup join_with |
21 |
save_into_lookup |
save_into_lookup |
22 |
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23 |
split_rec_on |
split_rec_on |
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25 |
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get set |
26 |
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count |
27 |
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28 |
/; |
/; |
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30 |
use warnings; |
use warnings; |
33 |
#use base qw/WebPAC::Common/; |
#use base qw/WebPAC::Common/; |
34 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
35 |
use Storable qw/dclone/; |
use Storable qw/dclone/; |
36 |
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use Carp qw/confess/; |
37 |
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38 |
# debugging warn(s) |
# debugging warn(s) |
39 |
my $debug = 0; |
my $debug = 0; |
40 |
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41 |
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use WebPAC::Normalize::ISBN; |
42 |
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push @EXPORT, ( 'isbn_10', 'isbn_13' ); |
43 |
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44 |
=head1 NAME |
=head1 NAME |
45 |
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46 |
WebPAC::Normalize - describe normalisaton rules using sets |
WebPAC::Normalize - describe normalisaton rules using sets |
47 |
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=head1 VERSION |
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Version 0.20 |
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48 |
=cut |
=cut |
49 |
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50 |
our $VERSION = '0.20'; |
our $VERSION = '0.32'; |
51 |
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52 |
=head1 SYNOPSIS |
=head1 SYNOPSIS |
53 |
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60 |
C<perl -c normalize.pl>. |
C<perl -c normalize.pl>. |
61 |
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62 |
Normalisation can generate multiple output normalized data. For now, supported output |
Normalisation can generate multiple output normalized data. For now, supported output |
63 |
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 |
64 |
C<marc>. |
C<marc>. |
65 |
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66 |
=head1 FUNCTIONS |
=head1 FUNCTIONS |
73 |
Return data structure |
Return data structure |
74 |
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75 |
my $ds = WebPAC::Normalize::data_structure( |
my $ds = WebPAC::Normalize::data_structure( |
76 |
lookup => $lookup_variable, |
lookup => $lookup_hash, |
77 |
row => $row, |
row => $row, |
78 |
rules => $normalize_pl_config, |
rules => $normalize_pl_config, |
79 |
marc_encoding => 'utf-8', |
marc_encoding => 'utf-8', |
80 |
config => $config, |
config => $config, |
81 |
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load_row_coderef => sub { |
82 |
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my ($database,$input,$mfn) = @_; |
83 |
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$store->load_row( database => $database, input => $input, id => $mfn ); |
84 |
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}, |
85 |
); |
); |
86 |
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87 |
Options C<row>, C<rules> and C<log> are mandatory while all |
Options C<row>, C<rules> and C<log> are mandatory while all |
88 |
other are optional. |
other are optional. |
89 |
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90 |
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C<load_row_coderef> is closure only used when executing lookups, so they will |
91 |
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die if it's not defined. |
92 |
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93 |
This function will B<die> if normalizastion can't be evaled. |
This function will B<die> if normalizastion can't be evaled. |
94 |
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95 |
Since this function isn't exported you have to call it with |
Since this function isn't exported you have to call it with |
97 |
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98 |
=cut |
=cut |
99 |
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100 |
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my $load_row_coderef; |
101 |
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102 |
sub data_structure { |
sub data_structure { |
103 |
my $arg = {@_}; |
my $arg = {@_}; |
104 |
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105 |
die "need row argument" unless ($arg->{row}); |
die "need row argument" unless ($arg->{row}); |
106 |
die "need normalisation argument" unless ($arg->{rules}); |
die "need normalisation argument" unless ($arg->{rules}); |
107 |
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108 |
no strict 'subs'; |
_set_lookup( $arg->{lookup} ) if defined($arg->{lookup}); |
109 |
_set_lookup( $arg->{lookup} ) if (defined( $arg->{lookup} )); |
_set_ds( $arg->{row} ); |
110 |
_set_rec( $arg->{row} ); |
_set_config( $arg->{config} ) if defined($arg->{config}); |
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_set_config( $arg->{config} ) if (defined( $arg->{config} )); |
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111 |
_clean_ds( %{ $arg } ); |
_clean_ds( %{ $arg } ); |
112 |
eval "$arg->{rules}"; |
$load_row_coderef = $arg->{load_row_coderef}; |
113 |
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114 |
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no strict 'subs'; |
115 |
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no warnings 'redefine'; |
116 |
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eval "$arg->{rules};"; |
117 |
die "error evaling $arg->{rules}: $@\n" if ($@); |
die "error evaling $arg->{rules}: $@\n" if ($@); |
118 |
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119 |
return _get_ds(); |
return _get_ds(); |
120 |
} |
} |
121 |
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122 |
=head2 _set_rec |
=head2 _set_ds |
123 |
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124 |
Set current record hash |
Set current record hash |
125 |
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126 |
_set_rec( $rec ); |
_set_ds( $rec ); |
127 |
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128 |
=cut |
=cut |
129 |
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130 |
my $rec; |
my $rec; |
131 |
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132 |
sub _set_rec { |
sub _set_ds { |
133 |
$rec = shift or die "no record hash"; |
$rec = shift or die "no record hash"; |
134 |
} |
} |
135 |
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169 |
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170 |
=cut |
=cut |
171 |
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172 |
my ($out, $marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators); |
my ($out, $marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators, $marc_leader); |
173 |
my ($marc_record_offset, $marc_fetch_offset) = (0, 0); |
my ($marc_record_offset, $marc_fetch_offset) = (0, 0); |
174 |
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175 |
sub _get_ds { |
sub _get_ds { |
176 |
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#warn "## out = ",dump($out); |
177 |
return $out; |
return $out; |
178 |
} |
} |
179 |
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187 |
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188 |
sub _clean_ds { |
sub _clean_ds { |
189 |
my $a = {@_}; |
my $a = {@_}; |
190 |
($out,$marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators) = (); |
($out,$marc_record, $marc_encoding, $marc_repeatable_subfield, $marc_indicators, $marc_leader) = (); |
191 |
($marc_record_offset, $marc_fetch_offset) = (0,0); |
($marc_record_offset, $marc_fetch_offset) = (0,0); |
192 |
$marc_encoding = $a->{marc_encoding}; |
$marc_encoding = $a->{marc_encoding}; |
193 |
} |
} |
218 |
return $lookup; |
return $lookup; |
219 |
} |
} |
220 |
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221 |
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=head2 _set_load_row |
222 |
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223 |
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Setup code reference which will return L<data_structure> from |
224 |
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L<WebPAC::Store> |
225 |
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226 |
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_set_load_row(sub { |
227 |
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my ($database,$input,$mfn) = @_; |
228 |
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$store->load_row( database => $database, input => $input, id => $mfn ); |
229 |
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}); |
230 |
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231 |
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=cut |
232 |
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233 |
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sub _set_load_row { |
234 |
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my $coderef = shift; |
235 |
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confess "argument isn't CODE" unless ref($coderef) eq 'CODE'; |
236 |
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237 |
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$load_row_coderef = $coderef; |
238 |
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} |
239 |
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240 |
=head2 _get_marc_fields |
=head2 _get_marc_fields |
241 |
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242 |
Get all fields defined by calls to C<marc> |
Get all fields defined by calls to C<marc> |
292 |
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293 |
=cut |
=cut |
294 |
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295 |
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my $fetch_pos; |
296 |
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297 |
sub _get_marc_fields { |
sub _get_marc_fields { |
298 |
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299 |
my $arg = {@_}; |
my $arg = {@_}; |
300 |
warn "### _get_marc_fields arg: ", dump($arg), $/ if ($debug > 2); |
warn "### _get_marc_fields arg: ", dump($arg), $/ if ($debug > 2); |
301 |
my $offset = $marc_fetch_offset; |
$fetch_pos = $marc_fetch_offset; |
302 |
if ($arg->{offset}) { |
if ($arg->{offset}) { |
303 |
$offset = $arg->{offset}; |
$fetch_pos = $arg->{offset}; |
304 |
} elsif($arg->{fetch_next}) { |
} elsif($arg->{fetch_next}) { |
305 |
$marc_fetch_offset++; |
$marc_fetch_offset++; |
306 |
} |
} |
309 |
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310 |
warn "### full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 2); |
warn "### full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 2); |
311 |
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312 |
my $marc_rec = $marc_record->[ $offset ]; |
my $marc_rec = $marc_record->[ $fetch_pos ]; |
313 |
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314 |
warn "## _get_marc_fields (at offset: $offset) -- marc_record = ", dump( @$marc_rec ), $/ if ($debug > 1); |
warn "## _get_marc_fields (at offset: $fetch_pos) -- marc_record = ", dump( @$marc_rec ), $/ if ($debug > 1); |
315 |
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316 |
return if (! $marc_rec || ref($marc_rec) ne 'ARRAY' || $#{ $marc_rec } < 0); |
return if (! $marc_rec || ref($marc_rec) ne 'ARRAY' || $#{ $marc_rec } < 0); |
317 |
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332 |
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333 |
if ($debug) { |
if ($debug) { |
334 |
warn "## marc_repeatable_subfield = ", dump( $marc_repeatable_subfield ), $/ if ( $marc_repeatable_subfield ); |
warn "## marc_repeatable_subfield = ", dump( $marc_repeatable_subfield ), $/ if ( $marc_repeatable_subfield ); |
335 |
warn "## marc_record[$offset] = ", dump( $marc_rec ), $/; |
warn "## marc_record[$fetch_pos] = ", dump( $marc_rec ), $/; |
336 |
warn "## sorted_marc_record = ", dump( \@sorted_marc_record ), $/; |
warn "## sorted_marc_record = ", dump( \@sorted_marc_record ), $/; |
337 |
warn "## subfield count = ", dump( $u ), $/; |
warn "## subfield count = ", dump( $u ), $/; |
338 |
} |
} |
413 |
return \@m; |
return \@m; |
414 |
} |
} |
415 |
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416 |
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=head2 _get_marc_leader |
417 |
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418 |
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Return leader from currently fetched record by L</_get_marc_fields> |
419 |
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420 |
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print WebPAC::Normalize::_get_marc_leader(); |
421 |
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422 |
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=cut |
423 |
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424 |
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sub _get_marc_leader { |
425 |
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die "no fetch_pos, did you called _get_marc_fields first?" unless ( defined( $fetch_pos ) ); |
426 |
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return $marc_leader->[ $fetch_pos ]; |
427 |
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} |
428 |
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429 |
=head2 _debug |
=head2 _debug |
430 |
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431 |
Change level of debug warnings |
Change level of debug warnings |
445 |
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446 |
Those functions generally have to first in your normalization file. |
Those functions generally have to first in your normalization file. |
447 |
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448 |
=head2 tag |
=head2 search_display |
449 |
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450 |
Define new tag for I<search> and I<display>. |
Define output for L<search> and L<display> at the same time |
451 |
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452 |
tag('Title', rec('200','a') ); |
search_display('Title', rec('200','a') ); |
453 |
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454 |
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455 |
=cut |
=cut |
456 |
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457 |
sub tag { |
sub search_display { |
458 |
my $name = shift or die "tag needs name as first argument"; |
my $name = shift or die "search_display needs name as first argument"; |
459 |
my @o = grep { defined($_) && $_ ne '' } @_; |
my @o = grep { defined($_) && $_ ne '' } @_; |
460 |
return unless (@o); |
return unless (@o); |
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$out->{$name}->{tag} = $name; |
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461 |
$out->{$name}->{search} = \@o; |
$out->{$name}->{search} = \@o; |
462 |
$out->{$name}->{display} = \@o; |
$out->{$name}->{display} = \@o; |
463 |
} |
} |
464 |
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465 |
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=head2 tag |
466 |
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467 |
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Old name for L<search_display>, but supported |
468 |
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469 |
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=cut |
470 |
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471 |
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sub tag { |
472 |
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search_display( @_ ); |
473 |
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} |
474 |
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475 |
=head2 display |
=head2 display |
476 |
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|
477 |
Define tag just for I<display> |
Define output just for I<display> |
478 |
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479 |
@v = display('Title', rec('200','a') ); |
@v = display('Title', rec('200','a') ); |
480 |
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481 |
=cut |
=cut |
482 |
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483 |
sub display { |
sub _field { |
484 |
my $name = shift or die "display needs name as first argument"; |
my $type = shift or confess "need type -- BUG?"; |
485 |
|
my $name = shift or confess "needs name as first argument"; |
486 |
my @o = grep { defined($_) && $_ ne '' } @_; |
my @o = grep { defined($_) && $_ ne '' } @_; |
487 |
return unless (@o); |
return unless (@o); |
488 |
$out->{$name}->{tag} = $name; |
$out->{$name}->{$type} = \@o; |
|
$out->{$name}->{display} = \@o; |
|
489 |
} |
} |
490 |
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491 |
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sub display { _field( 'display', @_ ) } |
492 |
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493 |
=head2 search |
=head2 search |
494 |
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|
495 |
Prepare values just for I<search> |
Prepare values just for I<search> |
498 |
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|
499 |
=cut |
=cut |
500 |
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|
501 |
sub search { |
sub search { _field( 'search', @_ ) } |
502 |
my $name = shift or die "search needs name as first argument"; |
|
503 |
my @o = grep { defined($_) && $_ ne '' } @_; |
=head2 sorted |
504 |
return unless (@o); |
|
505 |
$out->{$name}->{tag} = $name; |
Insert into lists which will be automatically sorted |
506 |
$out->{$name}->{search} = \@o; |
|
507 |
} |
sorted('Title', rec('200','a') ); |
508 |
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|
509 |
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=cut |
510 |
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|
511 |
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sub sorted { _field( 'sorted', @_ ) } |
512 |
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513 |
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514 |
=head2 marc_leader |
=head2 marc_leader |
515 |
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|
524 |
my ($offset,$value) = @_; |
my ($offset,$value) = @_; |
525 |
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|
526 |
if ($offset) { |
if ($offset) { |
527 |
$out->{' leader'}->{ $offset } = $value; |
$marc_leader->[ $marc_record_offset ]->{ $offset } = $value; |
528 |
} else { |
} else { |
529 |
return $out->{' leader'}; |
|
530 |
|
if (defined($marc_leader)) { |
531 |
|
die "marc_leader not array = ", dump( $marc_leader ) unless (ref($marc_leader) eq 'ARRAY'); |
532 |
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return $marc_leader->[ $marc_record_offset ]; |
533 |
|
} else { |
534 |
|
return; |
535 |
|
} |
536 |
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} |
537 |
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} |
538 |
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539 |
|
=head2 marc_fixed |
540 |
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|
541 |
|
Create control/indentifier fields with values in fixed positions |
542 |
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543 |
|
marc_fixed('008', 00, '070402'); |
544 |
|
marc_fixed('008', 39, '|'); |
545 |
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|
546 |
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Positions not specified will be filled with spaces (C<0x20>). |
547 |
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|
548 |
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There will be no effort to extend last specified value to full length of |
549 |
|
field in standard. |
550 |
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551 |
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=cut |
552 |
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553 |
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sub marc_fixed { |
554 |
|
my ($f, $pos, $val) = @_; |
555 |
|
die "need marc(field, position, value)" unless defined($f) && defined($pos); |
556 |
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557 |
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confess "need val" unless defined $val; |
558 |
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559 |
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my $update = 0; |
560 |
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561 |
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map { |
562 |
|
if ($_->[0] eq $f) { |
563 |
|
my $old = $_->[1]; |
564 |
|
if (length($old) <= $pos) { |
565 |
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$_->[1] .= ' ' x ( $pos - length($old) ) . $val; |
566 |
|
warn "## marc_fixed($f,$pos,'$val') append '$old' -> '$_->[1]'\n" if ($debug > 1); |
567 |
|
} else { |
568 |
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$_->[1] = substr($old, 0, $pos) . $val . substr($old, $pos + length($val)); |
569 |
|
warn "## marc_fixed($f,$pos,'$val') update '$old' -> '$_->[1]'\n" if ($debug > 1); |
570 |
|
} |
571 |
|
$update++; |
572 |
|
} |
573 |
|
} @{ $marc_record->[ $marc_record_offset ] }; |
574 |
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|
575 |
|
if (! $update) { |
576 |
|
my $v = ' ' x $pos . $val; |
577 |
|
push @{ $marc_record->[ $marc_record_offset ] }, [ $f, $v ]; |
578 |
|
warn "## marc_fixed($f,$pos,'val') created '$v'\n" if ($debug > 1); |
579 |
} |
} |
580 |
} |
} |
581 |
|
|
707 |
my $m = $marc_record->[ -1 ]; |
my $m = $marc_record->[ -1 ]; |
708 |
die "can't duplicate record which isn't defined" unless ($m); |
die "can't duplicate record which isn't defined" unless ($m); |
709 |
push @{ $marc_record }, dclone( $m ); |
push @{ $marc_record }, dclone( $m ); |
710 |
warn "## marc_duplicate = ", dump(@$marc_record), $/ if ($debug > 1); |
push @{ $marc_leader }, dclone( marc_leader() ); |
711 |
|
warn "## marc_duplicate = ", dump(@$marc_leader, @$marc_record), $/ if ($debug > 1); |
712 |
$marc_record_offset = $#{ $marc_record }; |
$marc_record_offset = $#{ $marc_record }; |
713 |
warn "## marc_record_offset = $marc_record_offset", $/ if ($debug > 1); |
warn "## marc_record_offset = $marc_record_offset", $/ if ($debug > 1); |
714 |
|
|
715 |
} |
} |
716 |
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|
717 |
=head2 marc_remove |
=head2 marc_remove |
723 |
|
|
724 |
This will erase field C<200> or C<200^a> from current MARC record. |
This will erase field C<200> or C<200^a> from current MARC record. |
725 |
|
|
726 |
|
marc_remove('*'); |
727 |
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|
728 |
|
Will remove all fields in current MARC record. |
729 |
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|
730 |
This is useful after calling C<marc_duplicate> or on it's own (but, you |
This is useful after calling C<marc_duplicate> or on it's own (but, you |
731 |
should probably just remove that subfield definition if you are not |
should probably just remove that subfield definition if you are not |
732 |
using C<marc_duplicate>). |
using C<marc_duplicate>). |
744 |
|
|
745 |
warn "### marc_remove before = ", dump( $marc ), $/ if ($debug > 2); |
warn "### marc_remove before = ", dump( $marc ), $/ if ($debug > 2); |
746 |
|
|
747 |
my $i = 0; |
if ($f eq '*') { |
748 |
foreach ( 0 .. $#{ $marc } ) { |
|
749 |
last unless (defined $marc->[$i]); |
delete( $marc_record->[ $marc_record_offset ] ); |
750 |
warn "#### working on ",dump( @{ $marc->[$i] }), $/ if ($debug > 3); |
warn "## full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 1); |
751 |
if ($marc->[$i]->[0] eq $f) { |
|
752 |
if (! defined $sf) { |
} else { |
753 |
# remove whole field |
|
754 |
splice @$marc, $i, 1; |
my $i = 0; |
755 |
warn "#### slice \@\$marc, $i, 1 = ",dump( @{ $marc }), $/ if ($debug > 3); |
foreach ( 0 .. $#{ $marc } ) { |
756 |
$i--; |
last unless (defined $marc->[$i]); |
757 |
} else { |
warn "#### working on ",dump( @{ $marc->[$i] }), $/ if ($debug > 3); |
758 |
foreach my $j ( 0 .. (( $#{ $marc->[$i] } - 3 ) / 2) ) { |
if ($marc->[$i]->[0] eq $f) { |
759 |
my $o = ($j * 2) + 3; |
if (! defined $sf) { |
760 |
if ($marc->[$i]->[$o] eq $sf) { |
# remove whole field |
761 |
# remove subfield |
splice @$marc, $i, 1; |
762 |
splice @{$marc->[$i]}, $o, 2; |
warn "#### slice \@\$marc, $i, 1 = ",dump( @{ $marc }), $/ if ($debug > 3); |
763 |
warn "#### slice \@{\$marc->[$i]}, $o, 2 = ", dump( @{ $marc }), $/ if ($debug > 3); |
$i--; |
764 |
# is record now empty? |
} else { |
765 |
if ($#{ $marc->[$i] } == 2) { |
foreach my $j ( 0 .. (( $#{ $marc->[$i] } - 3 ) / 2) ) { |
766 |
splice @$marc, $i, 1; |
my $o = ($j * 2) + 3; |
767 |
warn "#### slice \@\$marc, $i, 1 = ", dump( @{ $marc }), $/ if ($debug > 3); |
if ($marc->[$i]->[$o] eq $sf) { |
768 |
$i--; |
# remove subfield |
769 |
}; |
splice @{$marc->[$i]}, $o, 2; |
770 |
|
warn "#### slice \@{\$marc->[$i]}, $o, 2 = ", dump( @{ $marc }), $/ if ($debug > 3); |
771 |
|
# is record now empty? |
772 |
|
if ($#{ $marc->[$i] } == 2) { |
773 |
|
splice @$marc, $i, 1; |
774 |
|
warn "#### slice \@\$marc, $i, 1 = ", dump( @{ $marc }), $/ if ($debug > 3); |
775 |
|
$i--; |
776 |
|
}; |
777 |
|
} |
778 |
} |
} |
779 |
} |
} |
780 |
} |
} |
781 |
|
$i++; |
782 |
} |
} |
|
$i++; |
|
|
} |
|
783 |
|
|
784 |
warn "### marc_remove($f", $sf ? ",$sf" : "", ") after = ", dump( $marc ), $/ if ($debug > 2); |
warn "### marc_remove($f", $sf ? ",$sf" : "", ") after = ", dump( $marc ), $/ if ($debug > 2); |
785 |
|
|
786 |
$marc_record->[ $marc_record_offset ] = $marc; |
$marc_record->[ $marc_record_offset ] = $marc; |
787 |
|
} |
788 |
|
|
789 |
warn "## full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 1); |
warn "## full marc_record = ", dump( @{ $marc_record }), $/ if ($debug > 1); |
790 |
} |
} |
859 |
warn "## marc_record = ", dump( $marc_record ),$/ if ($debug > 1); |
warn "## marc_record = ", dump( $marc_record ),$/ if ($debug > 1); |
860 |
} |
} |
861 |
|
|
862 |
|
=head2 marc_count |
863 |
|
|
864 |
|
Return number of MARC records created using L</marc_duplicate>. |
865 |
|
|
866 |
|
print "created ", marc_count(), " records"; |
867 |
|
|
868 |
|
=cut |
869 |
|
|
870 |
|
sub marc_count { |
871 |
|
return $#{ $marc_record }; |
872 |
|
} |
873 |
|
|
874 |
|
|
875 |
=head1 Functions to extract data from input |
=head1 Functions to extract data from input |
876 |
|
|
893 |
|
|
894 |
my ($h,$include_subfields) = @_; |
my ($h,$include_subfields) = @_; |
895 |
|
|
896 |
|
# sanity and ease of use |
897 |
|
return $h if (ref($h) ne 'HASH'); |
898 |
|
|
899 |
if ( defined($h->{subfields}) ) { |
if ( defined($h->{subfields}) ) { |
900 |
my $sfs = delete $h->{subfields} || die "no subfields?"; |
my $sfs = delete $h->{subfields} || die "no subfields?"; |
901 |
my @out; |
my @out; |
995 |
@v = rec('200') |
@v = rec('200') |
996 |
@v = rec('200','a') |
@v = rec('200','a') |
997 |
|
|
998 |
|
If rec() returns just single value, it will |
999 |
|
return scalar, not array. |
1000 |
|
|
1001 |
=cut |
=cut |
1002 |
|
|
1003 |
sub rec { |
sub rec { |
1007 |
} elsif ($#_ == 1) { |
} elsif ($#_ == 1) { |
1008 |
@out = rec2(@_); |
@out = rec2(@_); |
1009 |
} |
} |
1010 |
if (@out) { |
if ($#out == 0 && ! wantarray) { |
1011 |
|
return $out[0]; |
1012 |
|
} elsif (@out) { |
1013 |
return @out; |
return @out; |
1014 |
} else { |
} else { |
1015 |
return ''; |
return ''; |
1016 |
} |
} |
1017 |
} |
} |
1018 |
|
|
1019 |
|
=head2 frec |
1020 |
|
|
1021 |
|
Returns first value from field |
1022 |
|
|
1023 |
|
$v = frec('200'); |
1024 |
|
$v = frec('200','a'); |
1025 |
|
|
1026 |
|
=cut |
1027 |
|
|
1028 |
|
sub frec { |
1029 |
|
my @out = rec(@_); |
1030 |
|
warn "rec(",dump(@_),") has more than one return value, ignoring\n" if $#out > 0; |
1031 |
|
return shift @out; |
1032 |
|
} |
1033 |
|
|
1034 |
=head2 regex |
=head2 regex |
1035 |
|
|
1036 |
Apply regex to some or all values |
Apply regex to some or all values |
1060 |
=cut |
=cut |
1061 |
|
|
1062 |
sub prefix { |
sub prefix { |
1063 |
my $p = shift or return; |
my $p = shift; |
1064 |
|
return @_ unless defined( $p ); |
1065 |
return map { $p . $_ } grep { defined($_) } @_; |
return map { $p . $_ } grep { defined($_) } @_; |
1066 |
} |
} |
1067 |
|
|
1074 |
=cut |
=cut |
1075 |
|
|
1076 |
sub suffix { |
sub suffix { |
1077 |
my $s = shift or die "suffix needs string as first argument"; |
my $s = shift; |
1078 |
|
return @_ unless defined( $s ); |
1079 |
return map { $_ . $s } grep { defined($_) } @_; |
return map { $_ . $s } grep { defined($_) } @_; |
1080 |
} |
} |
1081 |
|
|
1088 |
=cut |
=cut |
1089 |
|
|
1090 |
sub surround { |
sub surround { |
1091 |
my $p = shift or die "surround need prefix as first argument"; |
my $p = shift; |
1092 |
my $s = shift or die "surround needs suffix as second argument"; |
my $s = shift; |
1093 |
|
$p = '' unless defined( $p ); |
1094 |
|
$s = '' unless defined( $s ); |
1095 |
return map { $p . $_ . $s } grep { defined($_) } @_; |
return map { $p . $_ . $s } grep { defined($_) } @_; |
1096 |
} |
} |
1097 |
|
|
1112 |
|
|
1113 |
Consult lookup hashes for some value |
Consult lookup hashes for some value |
1114 |
|
|
1115 |
@v = lookup( $v ); |
@v = lookup( |
1116 |
@v = lookup( @v ); |
sub { |
1117 |
|
'ffkk/peri/mfn'.rec('000') |
1118 |
|
}, |
1119 |
|
'ffkk','peri','200-a-200-e', |
1120 |
|
sub { |
1121 |
|
first(rec(200,'a')).' '.first(rec('200','e')) |
1122 |
|
} |
1123 |
|
); |
1124 |
|
|
1125 |
|
Code like above will be B<automatically generated> using L<WebPAC::Parse> from |
1126 |
|
normal lookup definition in C<conf/lookup/something.pl> which looks like: |
1127 |
|
|
1128 |
FIXME B<currently this one is broken!> |
lookup( |
1129 |
|
# which results to return from record recorded in lookup |
1130 |
|
sub { 'ffkk/peri/mfn' . rec('000') }, |
1131 |
|
# from which database and input |
1132 |
|
'ffkk','peri', |
1133 |
|
# such that following values match |
1134 |
|
sub { first(rec(200,'a')) . ' ' . first(rec('200','e')) }, |
1135 |
|
# if this part is missing, we will try to match same fields |
1136 |
|
# from lookup record and current one, or you can override |
1137 |
|
# which records to use from current record using |
1138 |
|
sub { rec('900','x') . ' ' . rec('900','y') }, |
1139 |
|
) |
1140 |
|
|
1141 |
|
You can think about this lookup as SQL (if that helps): |
1142 |
|
|
1143 |
|
select |
1144 |
|
sub { what } |
1145 |
|
from |
1146 |
|
database, input |
1147 |
|
where |
1148 |
|
sub { filter from lookuped record } |
1149 |
|
having |
1150 |
|
sub { optional filter on current record } |
1151 |
|
|
1152 |
|
Easy as pie, right? |
1153 |
|
|
1154 |
=cut |
=cut |
1155 |
|
|
1156 |
sub lookup { |
sub lookup { |
1157 |
my $k = shift or return; |
my ($what, $database, $input, $key, $having) = @_; |
1158 |
return unless (defined($lookup->{$k})); |
|
1159 |
if (ref($lookup->{$k}) eq 'ARRAY') { |
confess "lookup needs 5 arguments: what, database, input, key, having\n" unless ($#_ == 4); |
1160 |
return @{ $lookup->{$k} }; |
|
1161 |
|
warn "## lookup ($database, $input, $key)", $/ if ($debug > 1); |
1162 |
|
return unless (defined($lookup->{$database}->{$input}->{$key})); |
1163 |
|
|
1164 |
|
confess "lookup really need load_row_coderef added to data_structure\n" unless ($load_row_coderef); |
1165 |
|
|
1166 |
|
my $mfns; |
1167 |
|
my @having = $having->(); |
1168 |
|
|
1169 |
|
warn "## having = ", dump( @having ) if ($debug > 2); |
1170 |
|
|
1171 |
|
foreach my $h ( @having ) { |
1172 |
|
if (defined($lookup->{$database}->{$input}->{$key}->{$h})) { |
1173 |
|
warn "lookup for $database/$input/$key/$h return ",dump($lookup->{$database}->{$input}->{$key}->{$h}),"\n" if ($debug); |
1174 |
|
$mfns->{$_}++ foreach keys %{ $lookup->{$database}->{$input}->{$key}->{$h} }; |
1175 |
|
} |
1176 |
|
} |
1177 |
|
|
1178 |
|
return unless ($mfns); |
1179 |
|
|
1180 |
|
my @mfns = sort keys %$mfns; |
1181 |
|
|
1182 |
|
warn "# lookup loading $database/$input/$key mfn ", join(",",@mfns)," having ",dump(@having),"\n" if ($debug); |
1183 |
|
|
1184 |
|
my $old_rec = $rec; |
1185 |
|
my @out; |
1186 |
|
|
1187 |
|
foreach my $mfn (@mfns) { |
1188 |
|
$rec = $load_row_coderef->( $database, $input, $mfn ); |
1189 |
|
|
1190 |
|
warn "got $database/$input/$mfn = ", dump($rec), $/ if ($debug); |
1191 |
|
|
1192 |
|
my @vals = $what->(); |
1193 |
|
|
1194 |
|
push @out, ( @vals ); |
1195 |
|
|
1196 |
|
warn "lookup for mfn $mfn returned ", dump(@vals), $/ if ($debug); |
1197 |
|
} |
1198 |
|
|
1199 |
|
# if (ref($lookup->{$k}) eq 'ARRAY') { |
1200 |
|
# return @{ $lookup->{$k} }; |
1201 |
|
# } else { |
1202 |
|
# return $lookup->{$k}; |
1203 |
|
# } |
1204 |
|
|
1205 |
|
$rec = $old_rec; |
1206 |
|
|
1207 |
|
warn "## lookup returns = ", dump(@out), $/ if ($debug); |
1208 |
|
|
1209 |
|
if ($#out == 0) { |
1210 |
|
return $out[0]; |
1211 |
} else { |
} else { |
1212 |
return $lookup->{$k}; |
return @out; |
1213 |
} |
} |
1214 |
} |
} |
1215 |
|
|
1216 |
=head2 save_into_lookup |
=head2 save_into_lookup |
1217 |
|
|
1218 |
Save value into lookup. |
Save value into lookup. It associates current database, input |
1219 |
|
and specific keys with one or more values which will be |
1220 |
|
associated over MFN. |
1221 |
|
|
1222 |
|
MFN will be extracted from first occurence current of field 000 |
1223 |
|
in current record, or if it doesn't exist from L<_set_config> C<_mfn>. |
1224 |
|
|
1225 |
save_into_lookup($database,$input,$key,sub { |
my $nr = save_into_lookup($database,$input,$key,sub { |
1226 |
# code which produce one or more values |
# code which produce one or more values |
1227 |
}); |
}); |
1228 |
|
|
1229 |
This function shouldn't be called directly, it's called from code created by L<WebPAC::Parser>. |
It returns number of items saved. |
1230 |
|
|
1231 |
|
This function shouldn't be called directly, it's called from code created by |
1232 |
|
L<WebPAC::Parser>. |
1233 |
|
|
1234 |
=cut |
=cut |
1235 |
|
|
1239 |
die "save_into_lookup needs input" unless defined($input); |
die "save_into_lookup needs input" unless defined($input); |
1240 |
die "save_into_lookup needs key" unless defined($key); |
die "save_into_lookup needs key" unless defined($key); |
1241 |
die "save_into_lookup needs CODE" unless ( defined($coderef) && ref($coderef) eq 'CODE' ); |
die "save_into_lookup needs CODE" unless ( defined($coderef) && ref($coderef) eq 'CODE' ); |
1242 |
my $mfn = $rec->{'000'}->[0] || die "mfn not defined or zero"; |
|
1243 |
|
warn "## save_into_lookup rec = ", dump($rec), " config = ", dump($config), $/ if ($debug > 2); |
1244 |
|
|
1245 |
|
my $mfn = |
1246 |
|
defined($rec->{'000'}->[0]) ? $rec->{'000'}->[0] : |
1247 |
|
defined($config->{_mfn}) ? $config->{_mfn} : |
1248 |
|
die "mfn not defined or zero"; |
1249 |
|
|
1250 |
|
my $nr = 0; |
1251 |
|
|
1252 |
foreach my $v ( $coderef->() ) { |
foreach my $v ( $coderef->() ) { |
1253 |
$lookup->{$database}->{$input}->{$key}->{$v}->{$mfn}++; |
$lookup->{$database}->{$input}->{$key}->{$v}->{$mfn}++; |
1254 |
warn "# saved lookup $database/$input/$key [$v] $mfn\n"; #if ($debug > 1); |
warn "# saved lookup $database/$input/$key [$v] $mfn\n" if ($debug > 1); |
1255 |
|
$nr++; |
1256 |
} |
} |
1257 |
|
|
1258 |
|
return $nr; |
1259 |
} |
} |
1260 |
|
|
1261 |
=head2 config |
=head2 config |
1266 |
$database_code = config(); # use _ from hash |
$database_code = config(); # use _ from hash |
1267 |
$database_name = config('name'); |
$database_name = config('name'); |
1268 |
$database_input_name = config('input name'); |
$database_input_name = config('input name'); |
|
$tag = config('input normalize tag'); |
|
1269 |
|
|
1270 |
Up to three levels are supported. |
Up to three levels are supported. |
1271 |
|
|
1381 |
} |
} |
1382 |
} |
} |
1383 |
|
|
1384 |
|
my $hash; |
1385 |
|
|
1386 |
|
=head2 set |
1387 |
|
|
1388 |
|
set( key => 'value' ); |
1389 |
|
|
1390 |
|
=cut |
1391 |
|
|
1392 |
|
sub set { |
1393 |
|
my ($k,$v) = @_; |
1394 |
|
warn "## set ( $k => ", dump($v), " )", $/ if ( $debug ); |
1395 |
|
$hash->{$k} = $v; |
1396 |
|
}; |
1397 |
|
|
1398 |
|
=head2 get |
1399 |
|
|
1400 |
|
get( 'key' ); |
1401 |
|
|
1402 |
|
=cut |
1403 |
|
|
1404 |
|
sub get { |
1405 |
|
my $k = shift || return; |
1406 |
|
my $v = $hash->{$k}; |
1407 |
|
warn "## get $k = ", dump( $v ), $/ if ( $debug ); |
1408 |
|
return $v; |
1409 |
|
} |
1410 |
|
|
1411 |
|
=head2 count |
1412 |
|
|
1413 |
|
if ( count( @result ) == 1 ) { |
1414 |
|
# do something if only 1 result is there |
1415 |
|
} |
1416 |
|
|
1417 |
|
=cut |
1418 |
|
|
1419 |
|
sub count { |
1420 |
|
warn "## count ",dump(@_),$/ if ( $debug ); |
1421 |
|
return @_ . ''; |
1422 |
|
} |
1423 |
|
|
1424 |
# END |
# END |
1425 |
1; |
1; |