17 |
use Search::Estraier; |
use Search::Estraier; |
18 |
|
|
19 |
# create and configure node |
# create and configure node |
20 |
my $node = new Search::Estraier::Node; |
my $node = new Search::Estraier::Node( |
21 |
$node->set_url("http://localhost:1978/node/test"); |
url => 'http://localhost:1978/node/test', |
22 |
$node->set_auth("admin","admin"); |
user => 'admin', |
23 |
|
passwd => 'admin' |
24 |
|
); |
25 |
|
|
26 |
# create document |
# create document |
27 |
my $doc = new Search::Estraier::Document; |
my $doc = new Search::Estraier::Document; |
34 |
$doc->add_text("Somewhere over the rainbow. Way up high."); |
$doc->add_text("Somewhere over the rainbow. Way up high."); |
35 |
$doc->add_text("There's a land that I heard of once in a lullaby."); |
$doc->add_text("There's a land that I heard of once in a lullaby."); |
36 |
|
|
37 |
die "error: ", $node->status,"\n" unless ($node->put_doc($doc)); |
die "error: ", $node->status,"\n" unless (eval { $node->put_doc($doc) }); |
38 |
|
|
39 |
=head2 Simple searcher |
=head2 Simple searcher |
40 |
|
|
41 |
use Search::Estraier; |
use Search::Estraier; |
42 |
|
|
43 |
# create and configure node |
# create and configure node |
44 |
my $node = new Search::Estraier::Node; |
my $node = new Search::Estraier::Node( |
45 |
$node->set_url("http://localhost:1978/node/test"); |
url => 'http://localhost:1978/node/test', |
46 |
$node->set_auth("admin","admin"); |
user => 'admin', |
47 |
|
passwd => 'admin', |
48 |
|
croak_on_error => 1, |
49 |
|
); |
50 |
|
|
51 |
# create condition |
# create condition |
52 |
my $cond = new Search::Estraier::Condition; |
my $cond = new Search::Estraier::Condition; |
55 |
$cond->set_phrase("rainbow AND lullaby"); |
$cond->set_phrase("rainbow AND lullaby"); |
56 |
|
|
57 |
my $nres = $node->search($cond, 0); |
my $nres = $node->search($cond, 0); |
58 |
|
|
59 |
if (defined($nres)) { |
if (defined($nres)) { |
60 |
|
print "Got ", $nres->hits, " results\n"; |
61 |
|
|
62 |
# for each document in results |
# for each document in results |
63 |
for my $i ( 0 ... $nres->doc_num - 1 ) { |
for my $i ( 0 ... $nres->doc_num - 1 ) { |
64 |
# get result document |
# get result document |
100 |
=cut |
=cut |
101 |
|
|
102 |
sub _s { |
sub _s { |
103 |
my $text = $_[1] || return; |
my $text = $_[1]; |
104 |
|
return unless defined($text); |
105 |
$text =~ s/\s\s+/ /gs; |
$text =~ s/\s\s+/ /gs; |
106 |
$text =~ s/^\s+//; |
$text =~ s/^\s+//; |
107 |
$text =~ s/\s+$//; |
$text =~ s/\s+$//; |
329 |
my $draft; |
my $draft; |
330 |
|
|
331 |
foreach my $attr_name (sort keys %{ $self->{attrs} }) { |
foreach my $attr_name (sort keys %{ $self->{attrs} }) { |
332 |
$draft .= $attr_name . '=' . $self->{attrs}->{$attr_name} . "\n"; |
next unless defined(my $v = $self->{attrs}->{$attr_name}); |
333 |
|
$draft .= $attr_name . '=' . $v . "\n"; |
334 |
} |
} |
335 |
|
|
336 |
if ($self->{kwords}) { |
if ($self->{kwords}) { |
378 |
|
|
379 |
package Search::Estraier::Condition; |
package Search::Estraier::Condition; |
380 |
|
|
381 |
use Carp qw/confess croak/; |
use Carp qw/carp confess croak/; |
382 |
|
|
383 |
use Search::Estraier; |
use Search::Estraier; |
384 |
our @ISA = qw/Search::Estraier/; |
our @ISA = qw/Search::Estraier/; |
456 |
|
|
457 |
=head2 set_options |
=head2 set_options |
458 |
|
|
459 |
$cond->set_options( SURE => 1 ); |
$cond->set_options( 'SURE' ); |
460 |
|
|
461 |
|
$cond->set_options( qw/AGITO NOIDF SIMPLE/ ); |
462 |
|
|
463 |
|
Possible options are: |
464 |
|
|
465 |
|
=over 8 |
466 |
|
|
467 |
|
=item SURE |
468 |
|
|
469 |
|
check every N-gram |
470 |
|
|
471 |
|
=item USUAL |
472 |
|
|
473 |
|
check every second N-gram |
474 |
|
|
475 |
|
=item FAST |
476 |
|
|
477 |
|
check every third N-gram |
478 |
|
|
479 |
|
=item AGITO |
480 |
|
|
481 |
|
check every fourth N-gram |
482 |
|
|
483 |
|
=item NOIDF |
484 |
|
|
485 |
|
don't perform TF-IDF tuning |
486 |
|
|
487 |
|
=item SIMPLE |
488 |
|
|
489 |
|
use simplified query phrase |
490 |
|
|
491 |
|
=back |
492 |
|
|
493 |
|
Skipping N-grams will speed up search, but reduce accuracy. Every call to C<set_options> will reset previous |
494 |
|
options; |
495 |
|
|
496 |
|
This option changed in version C<0.04> of this module. It's backwards compatibile. |
497 |
|
|
498 |
=cut |
=cut |
499 |
|
|
500 |
my $options = { |
my $options = { |
|
# check N-gram keys skipping by three |
|
501 |
SURE => 1 << 0, |
SURE => 1 << 0, |
|
# check N-gram keys skipping by two |
|
502 |
USUAL => 1 << 1, |
USUAL => 1 << 1, |
|
# without TF-IDF tuning |
|
503 |
FAST => 1 << 2, |
FAST => 1 << 2, |
|
# with the simplified phrase |
|
504 |
AGITO => 1 << 3, |
AGITO => 1 << 3, |
|
# check every N-gram key |
|
505 |
NOIDF => 1 << 4, |
NOIDF => 1 << 4, |
|
# check N-gram keys skipping by one |
|
506 |
SIMPLE => 1 << 10, |
SIMPLE => 1 << 10, |
507 |
}; |
}; |
508 |
|
|
509 |
sub set_options { |
sub set_options { |
510 |
my $self = shift; |
my $self = shift; |
511 |
my $option = shift; |
my $opt = 0; |
512 |
confess "unknown option" unless ($options->{$option}); |
foreach my $option (@_) { |
513 |
$self->{options} ||= $options->{$option}; |
my $mask; |
514 |
|
unless ($mask = $options->{$option}) { |
515 |
|
if ($option eq '1') { |
516 |
|
next; |
517 |
|
} else { |
518 |
|
croak "unknown option $option"; |
519 |
|
} |
520 |
|
} |
521 |
|
$opt += $mask; |
522 |
|
} |
523 |
|
$self->{options} = $opt; |
524 |
} |
} |
525 |
|
|
526 |
|
|
742 |
|
|
743 |
print $res->doc_num; |
print $res->doc_num; |
744 |
|
|
745 |
|
This will return real number of documents (limited by C<max>). |
746 |
|
If you want to get total number of hits, see C<hits>. |
747 |
|
|
748 |
=cut |
=cut |
749 |
|
|
750 |
sub doc_num { |
sub doc_num { |
776 |
|
|
777 |
Return specific hint from results. |
Return specific hint from results. |
778 |
|
|
779 |
print $rec->hint( 'VERSION' ); |
print $res->hint( 'VERSION' ); |
780 |
|
|
781 |
Possible hints are: C<VERSION>, C<NODE>, C<HIT>, C<HINT#n>, C<DOCNUM>, C<WORDNUM>, |
Possible hints are: C<VERSION>, C<NODE>, C<HIT>, C<HINT#n>, C<DOCNUM>, C<WORDNUM>, |
782 |
C<TIME>, C<LINK#n>, C<VIEW>. |
C<TIME>, C<LINK#n>, C<VIEW>. |
789 |
return $self->{hints}->{$key}; |
return $self->{hints}->{$key}; |
790 |
} |
} |
791 |
|
|
792 |
=head2 hints |
=head2 hits |
793 |
|
|
794 |
More perlish version of C<hint>. This one returns hash. |
More perlish version of C<hint>. This one returns hash. |
795 |
|
|
796 |
my %hints = $rec->hints; |
my %hints = $res->hints; |
797 |
|
|
798 |
=cut |
=cut |
799 |
|
|
802 |
return $self->{hints}; |
return $self->{hints}; |
803 |
} |
} |
804 |
|
|
805 |
|
=head2 hits |
806 |
|
|
807 |
|
Syntaxtic sugar for total number of hits for this query |
808 |
|
|
809 |
|
print $res->hits; |
810 |
|
|
811 |
|
It's same as |
812 |
|
|
813 |
|
print $res->hint('HIT'); |
814 |
|
|
815 |
|
but shorter. |
816 |
|
|
817 |
|
=cut |
818 |
|
|
819 |
|
sub hits { |
820 |
|
my $self = shift; |
821 |
|
return $self->{hints}->{'HIT'} || 0; |
822 |
|
} |
823 |
|
|
824 |
package Search::Estraier::Node; |
package Search::Estraier::Node; |
825 |
|
|
826 |
use Carp qw/carp croak confess/; |
use Carp qw/carp croak confess/; |