4 |
use strict; |
use strict; |
5 |
use warnings; |
use warnings; |
6 |
|
|
7 |
our $VERSION = '0.00'; |
our $VERSION = '0.04_1'; |
8 |
|
|
9 |
=head1 NAME |
=head1 NAME |
10 |
|
|
12 |
|
|
13 |
=head1 SYNOPSIS |
=head1 SYNOPSIS |
14 |
|
|
15 |
use Search::Estraier; |
=head2 Simple indexer |
16 |
my $est = new Search::Estraier(); |
|
17 |
|
use Search::Estraier; |
18 |
|
|
19 |
|
# create and configure node |
20 |
|
my $node = new Search::Estraier::Node( |
21 |
|
url => 'http://localhost:1978/node/test', |
22 |
|
user => 'admin', |
23 |
|
passwd => 'admin' |
24 |
|
); |
25 |
|
|
26 |
|
# create document |
27 |
|
my $doc = new Search::Estraier::Document; |
28 |
|
|
29 |
|
# add attributes |
30 |
|
$doc->add_attr('@uri', "http://estraier.gov/example.txt"); |
31 |
|
$doc->add_attr('@title', "Over the Rainbow"); |
32 |
|
|
33 |
|
# add body text to document |
34 |
|
$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."); |
36 |
|
|
37 |
|
die "error: ", $node->status,"\n" unless (eval { $node->put_doc($doc) }); |
38 |
|
|
39 |
|
=head2 Simple searcher |
40 |
|
|
41 |
|
use Search::Estraier; |
42 |
|
|
43 |
|
# create and configure node |
44 |
|
my $node = new Search::Estraier::Node( |
45 |
|
url => 'http://localhost:1978/node/test', |
46 |
|
user => 'admin', |
47 |
|
passwd => 'admin', |
48 |
|
croak_on_error => 1, |
49 |
|
); |
50 |
|
|
51 |
|
# create condition |
52 |
|
my $cond = new Search::Estraier::Condition; |
53 |
|
|
54 |
|
# set search phrase |
55 |
|
$cond->set_phrase("rainbow AND lullaby"); |
56 |
|
|
57 |
|
my $nres = $node->search($cond, 0); |
58 |
|
|
59 |
|
if (defined($nres)) { |
60 |
|
print "Got ", $nres->hits, " results\n"; |
61 |
|
|
62 |
|
# for each document in results |
63 |
|
for my $i ( 0 ... $nres->doc_num - 1 ) { |
64 |
|
# get result document |
65 |
|
my $rdoc = $nres->get_doc($i); |
66 |
|
# display attribte |
67 |
|
print "URI: ", $rdoc->attr('@uri'),"\n"; |
68 |
|
print "Title: ", $rdoc->attr('@title'),"\n"; |
69 |
|
print $rdoc->snippet,"\n"; |
70 |
|
} |
71 |
|
} else { |
72 |
|
die "error: ", $node->status,"\n"; |
73 |
|
} |
74 |
|
|
75 |
=head1 DESCRIPTION |
=head1 DESCRIPTION |
76 |
|
|
82 |
It is implemented as multiple packages which closly resamble Ruby |
It is implemented as multiple packages which closly resamble Ruby |
83 |
implementation. It also includes methods to manage nodes. |
implementation. It also includes methods to manage nodes. |
84 |
|
|
85 |
|
There are few examples in C<scripts> directory of this distribution. |
86 |
|
|
87 |
=cut |
=cut |
88 |
|
|
89 |
|
=head1 Inheritable common methods |
90 |
|
|
91 |
|
This methods should really move somewhere else. |
92 |
|
|
93 |
=head2 _s |
=head2 _s |
94 |
|
|
95 |
Remove multiple whitespaces from string, as well as whitespaces at beginning or end |
Remove multiple whitespaces from string, as well as whitespaces at beginning or end |
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 |
$text =~ s/\s+$//; |
$text =~ s/\s+$//; |
120 |
This class implements Document which is collection of attributes |
This class implements Document which is collection of attributes |
121 |
(key=value), vectors (also key value) display text and hidden text. |
(key=value), vectors (also key value) display text and hidden text. |
122 |
|
|
123 |
|
|
124 |
=head2 new |
=head2 new |
125 |
|
|
126 |
Create new document, empty or from draft. |
Create new document, empty or from draft. |
166 |
} elsif ($line =~ m/^$/) { |
} elsif ($line =~ m/^$/) { |
167 |
$in_text = 1; |
$in_text = 1; |
168 |
next; |
next; |
169 |
} elsif ($line =~ m/^(.+)=(.+)$/) { |
} elsif ($line =~ m/^(.+)=(.*)$/) { |
170 |
$self->{attrs}->{ $1 } = $2; |
$self->{attrs}->{ $1 } = $2; |
171 |
next; |
next; |
172 |
} |
} |
173 |
|
|
174 |
warn "draft ignored: $line\n"; |
warn "draft ignored: '$line'\n"; |
175 |
} |
} |
176 |
} |
} |
177 |
|
|
240 |
push @{ $self->{htexts} }, $self->_s($text); |
push @{ $self->{htexts} }, $self->_s($text); |
241 |
} |
} |
242 |
|
|
243 |
|
|
244 |
=head2 id |
=head2 id |
245 |
|
|
246 |
Get the ID number of document. If the object has never been registred, C<-1> is returned. |
Get the ID number of document. If the object has never been registred, C<-1> is returned. |
254 |
return $self->{id}; |
return $self->{id}; |
255 |
} |
} |
256 |
|
|
257 |
|
|
258 |
=head2 attr_names |
=head2 attr_names |
259 |
|
|
260 |
Returns array with attribute names from document object. |
Returns array with attribute names from document object. |
265 |
|
|
266 |
sub attr_names { |
sub attr_names { |
267 |
my $self = shift; |
my $self = shift; |
268 |
croak "attr_names return array, not scalar" if (! wantarray); |
return unless ($self->{attrs}); |
269 |
|
#croak "attr_names return array, not scalar" if (! wantarray); |
270 |
return sort keys %{ $self->{attrs} }; |
return sort keys %{ $self->{attrs} }; |
271 |
} |
} |
272 |
|
|
282 |
sub attr { |
sub attr { |
283 |
my $self = shift; |
my $self = shift; |
284 |
my $name = shift; |
my $name = shift; |
285 |
|
return unless (defined($name) && $self->{attrs}); |
286 |
return $self->{'attrs'}->{ $name }; |
return $self->{attrs}->{ $name }; |
287 |
} |
} |
288 |
|
|
289 |
|
|
297 |
|
|
298 |
sub texts { |
sub texts { |
299 |
my $self = shift; |
my $self = shift; |
300 |
confess "texts return array, not scalar" if (! wantarray); |
#confess "texts return array, not scalar" if (! wantarray); |
301 |
return @{ $self->{dtexts} }; |
return @{ $self->{dtexts} } if ($self->{dtexts}); |
302 |
} |
} |
303 |
|
|
304 |
|
|
305 |
=head2 cat_texts |
=head2 cat_texts |
306 |
|
|
307 |
Return whole text as single scalar. |
Return whole text as single scalar. |
312 |
|
|
313 |
sub cat_texts { |
sub cat_texts { |
314 |
my $self = shift; |
my $self = shift; |
315 |
return join(' ',@{ $self->{dtexts} }); |
return join(' ',@{ $self->{dtexts} }) if ($self->{dtexts}); |
316 |
} |
} |
317 |
|
|
318 |
|
|
319 |
=head2 dump_draft |
=head2 dump_draft |
320 |
|
|
321 |
Dump draft data from document object. |
Dump draft data from document object. |
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}) { |
343 |
|
|
344 |
$draft .= "\n"; |
$draft .= "\n"; |
345 |
|
|
346 |
$draft .= join("\n", @{ $self->{dtexts} }) . "\n"; |
$draft .= join("\n", @{ $self->{dtexts} }) . "\n" if ($self->{dtexts}); |
347 |
$draft .= "\t" . join("\n\t", @{ $self->{htexts} }) . "\n"; |
$draft .= "\t" . join("\n\t", @{ $self->{htexts} }) . "\n" if ($self->{htexts}); |
348 |
|
|
349 |
return $draft; |
return $draft; |
350 |
} |
} |
351 |
|
|
352 |
|
|
353 |
=head2 delete |
=head2 delete |
354 |
|
|
355 |
Empty document object |
Empty document object |
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/; |
402 |
$self ? return $self : return undef; |
$self ? return $self : return undef; |
403 |
} |
} |
404 |
|
|
405 |
|
|
406 |
=head2 set_phrase |
=head2 set_phrase |
407 |
|
|
408 |
$cond->set_phrase('search phrase'); |
$cond->set_phrase('search phrase'); |
414 |
$self->{phrase} = $self->_s( shift ); |
$self->{phrase} = $self->_s( shift ); |
415 |
} |
} |
416 |
|
|
417 |
|
|
418 |
=head2 add_attr |
=head2 add_attr |
419 |
|
|
420 |
$cond->add_attr('@URI STRINC /~dpavlin/'); |
$cond->add_attr('@URI STRINC /~dpavlin/'); |
427 |
push @{ $self->{attrs} }, $self->_s( $attr ); |
push @{ $self->{attrs} }, $self->_s( $attr ); |
428 |
} |
} |
429 |
|
|
430 |
|
|
431 |
=head2 set_order |
=head2 set_order |
432 |
|
|
433 |
$cond->set_order('@mdate NUMD'); |
$cond->set_order('@mdate NUMD'); |
439 |
$self->{order} = shift; |
$self->{order} = shift; |
440 |
} |
} |
441 |
|
|
442 |
|
|
443 |
=head2 set_max |
=head2 set_max |
444 |
|
|
445 |
$cond->set_max(42); |
$cond->set_max(42); |
449 |
sub set_max { |
sub set_max { |
450 |
my $self = shift; |
my $self = shift; |
451 |
my $max = shift; |
my $max = shift; |
452 |
croak "set_max needs number" unless ($max =~ m/^\d+$/); |
croak "set_max needs number, not '$max'" unless ($max =~ m/^\d+$/); |
453 |
$self->{max} = $max; |
$self->{max} = $max; |
454 |
} |
} |
455 |
|
|
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 |
|
|
527 |
=head2 phrase |
=head2 phrase |
528 |
|
|
529 |
Return search phrase. |
Return search phrase. |
537 |
return $self->{phrase}; |
return $self->{phrase}; |
538 |
} |
} |
539 |
|
|
540 |
|
|
541 |
=head2 order |
=head2 order |
542 |
|
|
543 |
Return search result order. |
Return search result order. |
551 |
return $self->{order}; |
return $self->{order}; |
552 |
} |
} |
553 |
|
|
554 |
|
|
555 |
=head2 attrs |
=head2 attrs |
556 |
|
|
557 |
Return search result attrs. |
Return search result attrs. |
563 |
sub attrs { |
sub attrs { |
564 |
my $self = shift; |
my $self = shift; |
565 |
#croak "attrs return array, not scalar" if (! wantarray); |
#croak "attrs return array, not scalar" if (! wantarray); |
566 |
return @{ $self->{attrs} }; |
return @{ $self->{attrs} } if ($self->{attrs}); |
567 |
} |
} |
568 |
|
|
569 |
|
|
570 |
=head2 max |
=head2 max |
571 |
|
|
572 |
Return maximum number of results. |
Return maximum number of results. |
582 |
return $self->{max}; |
return $self->{max}; |
583 |
} |
} |
584 |
|
|
585 |
|
|
586 |
=head2 options |
=head2 options |
587 |
|
|
588 |
Return options for this condition. |
Return options for this condition. |
627 |
my $self = {@_}; |
my $self = {@_}; |
628 |
bless($self, $class); |
bless($self, $class); |
629 |
|
|
630 |
foreach my $f (qw/uri attrs snippet keywords/) { |
croak "missing uri for ResultDocument" unless defined($self->{uri}); |
|
croak "missing $f for ResultDocument" unless defined($self->{$f}); |
|
|
} |
|
631 |
|
|
632 |
$self ? return $self : return undef; |
$self ? return $self : return undef; |
633 |
} |
} |
634 |
|
|
635 |
|
|
636 |
=head2 uri |
=head2 uri |
637 |
|
|
638 |
Return URI of result document |
Return URI of result document |
661 |
return sort keys %{ $self->{attrs} }; |
return sort keys %{ $self->{attrs} }; |
662 |
} |
} |
663 |
|
|
664 |
|
|
665 |
=head2 attr |
=head2 attr |
666 |
|
|
667 |
Returns value of an attribute. |
Returns value of an attribute. |
676 |
return $self->{attrs}->{ $name }; |
return $self->{attrs}->{ $name }; |
677 |
} |
} |
678 |
|
|
679 |
|
|
680 |
=head2 snippet |
=head2 snippet |
681 |
|
|
682 |
Return snippet from result document |
Return snippet from result document |
690 |
return $self->{snippet}; |
return $self->{snippet}; |
691 |
} |
} |
692 |
|
|
693 |
|
|
694 |
=head2 keywords |
=head2 keywords |
695 |
|
|
696 |
Return keywords from result document |
Return keywords from result document |
735 |
$self ? return $self : return undef; |
$self ? return $self : return undef; |
736 |
} |
} |
737 |
|
|
738 |
|
|
739 |
=head2 doc_num |
=head2 doc_num |
740 |
|
|
741 |
Return number of documents |
Return number of documents |
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 { |
751 |
my $self = shift; |
my $self = shift; |
752 |
return $#{$self->{docs}}; |
return $#{$self->{docs}} + 1; |
753 |
} |
} |
754 |
|
|
755 |
|
|
756 |
=head2 get_doc |
=head2 get_doc |
757 |
|
|
758 |
Return single document |
Return single document |
766 |
sub get_doc { |
sub get_doc { |
767 |
my $self = shift; |
my $self = shift; |
768 |
my $num = shift; |
my $num = shift; |
769 |
croak "expect number as argument" unless ($num =~ m/^\d+$/); |
croak "expect number as argument, not '$num'" unless ($num =~ m/^\d+$/); |
770 |
return undef if ($num < 0 || $num > $self->{docs}); |
return undef if ($num < 0 || $num > $self->{docs}); |
771 |
return $self->{docs}->[$num]; |
return $self->{docs}->[$num]; |
772 |
} |
} |
773 |
|
|
774 |
|
|
775 |
=head2 hint |
=head2 hint |
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 hits |
793 |
|
|
794 |
package Search::Estraier::Master; |
More perlish version of C<hint>. This one returns hash. |
795 |
|
|
796 |
use Carp; |
my %hints = $res->hints; |
797 |
|
|
798 |
=head1 Search::Estraier::Master |
=cut |
799 |
|
|
800 |
Controll node master. This requires user with administration priviledges. |
sub hints { |
801 |
|
my $self = shift; |
802 |
|
return $self->{hints}; |
803 |
|
} |
804 |
|
|
805 |
=cut |
=head2 hits |
806 |
|
|
807 |
{ |
Syntaxtic sugar for total number of hits for this query |
|
package RequestAgent; |
|
|
our @ISA = qw(LWP::UserAgent); |
|
808 |
|
|
809 |
sub new { |
print $res->hits; |
|
my $self = LWP::UserAgent::new(@_); |
|
|
$self->agent("Search-Estraier/$Search::Estraer::VERSION"); |
|
|
$self; |
|
|
} |
|
810 |
|
|
811 |
sub get_basic_credentials { |
It's same as |
812 |
my($self, $realm, $uri) = @_; |
|
813 |
# return ($user, $password); |
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; |
825 |
|
|
826 |
|
use Carp qw/carp croak confess/; |
827 |
|
use URI; |
828 |
|
use MIME::Base64; |
829 |
|
use IO::Socket::INET; |
830 |
|
use URI::Escape qw/uri_escape/; |
831 |
|
|
832 |
|
=head1 Search::Estraier::Node |
833 |
|
|
834 |
=head2 new |
=head2 new |
835 |
|
|
836 |
Create new connection to node master. |
my $node = new Search::HyperEstraier::Node; |
837 |
|
|
838 |
|
or optionally with C<url> as parametar |
839 |
|
|
840 |
my $master = new Search::Estraier::Master( |
my $node = new Search::HyperEstraier::Node( 'http://localhost:1978/node/test' ); |
841 |
url => 'http://localhost:1978', |
|
842 |
user => 'admin', |
or in more verbose form |
843 |
passwd => 'admin', |
|
844 |
|
my $node = new Search::HyperEstraier::Node( |
845 |
|
url => 'http://localhost:1978/node/test', |
846 |
|
debug => 1, |
847 |
|
croak_on_error => 1 |
848 |
); |
); |
849 |
|
|
850 |
|
with following arguments: |
851 |
|
|
852 |
|
=over 4 |
853 |
|
|
854 |
|
=item url |
855 |
|
|
856 |
|
URL to node |
857 |
|
|
858 |
|
=item debug |
859 |
|
|
860 |
|
dumps a B<lot> of debugging output |
861 |
|
|
862 |
|
=item croak_on_error |
863 |
|
|
864 |
|
very helpful during development. It will croak on all errors instead of |
865 |
|
silently returning C<-1> (which is convention of Hyper Estraier API in other |
866 |
|
languages). |
867 |
|
|
868 |
|
=back |
869 |
|
|
870 |
=cut |
=cut |
871 |
|
|
872 |
sub new { |
sub new { |
873 |
my $class = shift; |
my $class = shift; |
874 |
my $self = {@_}; |
my $self = { |
875 |
|
pxport => -1, |
876 |
|
timeout => 0, # this used to be -1 |
877 |
|
dnum => -1, |
878 |
|
wnum => -1, |
879 |
|
size => -1.0, |
880 |
|
wwidth => 480, |
881 |
|
hwidth => 96, |
882 |
|
awidth => 96, |
883 |
|
status => -1, |
884 |
|
}; |
885 |
bless($self, $class); |
bless($self, $class); |
886 |
|
|
887 |
foreach my $p (qw/url user passwd/) { |
if ($#_ == 0) { |
888 |
croak "need $p" unless ($self->{$p}); |
$self->{url} = shift; |
889 |
|
} else { |
890 |
|
my $args = {@_}; |
891 |
|
|
892 |
|
%$self = ( %$self, @_ ); |
893 |
|
|
894 |
|
warn "## Node debug on\n" if ($self->{debug}); |
895 |
} |
} |
896 |
|
|
897 |
$self ? return $self : return undef; |
$self ? return $self : return undef; |
898 |
} |
} |
899 |
|
|
900 |
|
|
901 |
|
=head2 set_url |
902 |
|
|
903 |
|
Specify URL to node server |
904 |
|
|
905 |
|
$node->set_url('http://localhost:1978'); |
906 |
|
|
907 |
|
=cut |
908 |
|
|
909 |
|
sub set_url { |
910 |
|
my $self = shift; |
911 |
|
$self->{url} = shift; |
912 |
|
} |
913 |
|
|
914 |
|
|
915 |
|
=head2 set_proxy |
916 |
|
|
917 |
|
Specify proxy server to connect to node server |
918 |
|
|
919 |
|
$node->set_proxy('proxy.example.com', 8080); |
920 |
|
|
921 |
|
=cut |
922 |
|
|
923 |
|
sub set_proxy { |
924 |
|
my $self = shift; |
925 |
|
my ($host,$port) = @_; |
926 |
|
croak "proxy port must be number, not '$port'" unless ($port =~ m/^\d+$/); |
927 |
|
$self->{pxhost} = $host; |
928 |
|
$self->{pxport} = $port; |
929 |
|
} |
930 |
|
|
931 |
|
|
932 |
|
=head2 set_timeout |
933 |
|
|
934 |
|
Specify timeout of connection in seconds |
935 |
|
|
936 |
|
$node->set_timeout( 15 ); |
937 |
|
|
938 |
|
=cut |
939 |
|
|
940 |
|
sub set_timeout { |
941 |
|
my $self = shift; |
942 |
|
my $sec = shift; |
943 |
|
croak "timeout must be number, not '$sec'" unless ($sec =~ m/^\d+$/); |
944 |
|
$self->{timeout} = $sec; |
945 |
|
} |
946 |
|
|
947 |
|
|
948 |
|
=head2 set_auth |
949 |
|
|
950 |
|
Specify name and password for authentication to node server. |
951 |
|
|
952 |
|
$node->set_auth('clint','eastwood'); |
953 |
|
|
954 |
|
=cut |
955 |
|
|
956 |
|
sub set_auth { |
957 |
|
my $self = shift; |
958 |
|
my ($login,$passwd) = @_; |
959 |
|
my $basic_auth = encode_base64( "$login:$passwd" ); |
960 |
|
chomp($basic_auth); |
961 |
|
$self->{auth} = $basic_auth; |
962 |
|
} |
963 |
|
|
964 |
|
|
965 |
|
=head2 status |
966 |
|
|
967 |
|
Return status code of last request. |
968 |
|
|
969 |
|
print $node->status; |
970 |
|
|
971 |
|
C<-1> means connection failure. |
972 |
|
|
973 |
|
=cut |
974 |
|
|
975 |
|
sub status { |
976 |
|
my $self = shift; |
977 |
|
return $self->{status}; |
978 |
|
} |
979 |
|
|
980 |
|
|
981 |
|
=head2 put_doc |
982 |
|
|
983 |
|
Add a document |
984 |
|
|
985 |
|
$node->put_doc( $document_draft ) or die "can't add document"; |
986 |
|
|
987 |
|
Return true on success or false on failture. |
988 |
|
|
989 |
|
=cut |
990 |
|
|
991 |
|
sub put_doc { |
992 |
|
my $self = shift; |
993 |
|
my $doc = shift || return; |
994 |
|
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
995 |
|
$self->shuttle_url( $self->{url} . '/put_doc', |
996 |
|
'text/x-estraier-draft', |
997 |
|
$doc->dump_draft, |
998 |
|
undef |
999 |
|
) == 200; |
1000 |
|
} |
1001 |
|
|
1002 |
|
|
1003 |
|
=head2 out_doc |
1004 |
|
|
1005 |
|
Remove a document |
1006 |
|
|
1007 |
|
$node->out_doc( document_id ) or "can't remove document"; |
1008 |
|
|
1009 |
|
Return true on success or false on failture. |
1010 |
|
|
1011 |
|
=cut |
1012 |
|
|
1013 |
|
sub out_doc { |
1014 |
|
my $self = shift; |
1015 |
|
my $id = shift || return; |
1016 |
|
return unless ($self->{url}); |
1017 |
|
croak "id must be number, not '$id'" unless ($id =~ m/^\d+$/); |
1018 |
|
$self->shuttle_url( $self->{url} . '/out_doc', |
1019 |
|
'application/x-www-form-urlencoded', |
1020 |
|
"id=$id", |
1021 |
|
undef |
1022 |
|
) == 200; |
1023 |
|
} |
1024 |
|
|
1025 |
|
|
1026 |
|
=head2 out_doc_by_uri |
1027 |
|
|
1028 |
|
Remove a registrated document using it's uri |
1029 |
|
|
1030 |
|
$node->out_doc_by_uri( 'file:///document/uri/42' ) or "can't remove document"; |
1031 |
|
|
1032 |
|
Return true on success or false on failture. |
1033 |
|
|
1034 |
|
=cut |
1035 |
|
|
1036 |
|
sub out_doc_by_uri { |
1037 |
|
my $self = shift; |
1038 |
|
my $uri = shift || return; |
1039 |
|
return unless ($self->{url}); |
1040 |
|
$self->shuttle_url( $self->{url} . '/out_doc', |
1041 |
|
'application/x-www-form-urlencoded', |
1042 |
|
"uri=" . uri_escape($uri), |
1043 |
|
undef |
1044 |
|
) == 200; |
1045 |
|
} |
1046 |
|
|
1047 |
|
|
1048 |
|
=head2 edit_doc |
1049 |
|
|
1050 |
|
Edit attributes of a document |
1051 |
|
|
1052 |
|
$node->edit_doc( $document_draft ) or die "can't edit document"; |
1053 |
|
|
1054 |
|
Return true on success or false on failture. |
1055 |
|
|
1056 |
|
=cut |
1057 |
|
|
1058 |
|
sub edit_doc { |
1059 |
|
my $self = shift; |
1060 |
|
my $doc = shift || return; |
1061 |
|
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
1062 |
|
$self->shuttle_url( $self->{url} . '/edit_doc', |
1063 |
|
'text/x-estraier-draft', |
1064 |
|
$doc->dump_draft, |
1065 |
|
undef |
1066 |
|
) == 200; |
1067 |
|
} |
1068 |
|
|
1069 |
|
|
1070 |
|
=head2 get_doc |
1071 |
|
|
1072 |
|
Retreive document |
1073 |
|
|
1074 |
|
my $doc = $node->get_doc( document_id ) or die "can't get document"; |
1075 |
|
|
1076 |
|
Return true on success or false on failture. |
1077 |
|
|
1078 |
|
=cut |
1079 |
|
|
1080 |
|
sub get_doc { |
1081 |
|
my $self = shift; |
1082 |
|
my $id = shift || return; |
1083 |
|
return $self->_fetch_doc( id => $id ); |
1084 |
|
} |
1085 |
|
|
1086 |
|
|
1087 |
|
=head2 get_doc_by_uri |
1088 |
|
|
1089 |
|
Retreive document |
1090 |
|
|
1091 |
|
my $doc = $node->get_doc_by_uri( 'file:///document/uri/42' ) or die "can't get document"; |
1092 |
|
|
1093 |
|
Return true on success or false on failture. |
1094 |
|
|
1095 |
|
=cut |
1096 |
|
|
1097 |
|
sub get_doc_by_uri { |
1098 |
|
my $self = shift; |
1099 |
|
my $uri = shift || return; |
1100 |
|
return $self->_fetch_doc( uri => $uri ); |
1101 |
|
} |
1102 |
|
|
1103 |
|
|
1104 |
|
=head2 get_doc_attr |
1105 |
|
|
1106 |
|
Retrieve the value of an atribute from object |
1107 |
|
|
1108 |
|
my $val = $node->get_doc_attr( document_id, 'attribute_name' ) or |
1109 |
|
die "can't get document attribute"; |
1110 |
|
|
1111 |
|
=cut |
1112 |
|
|
1113 |
|
sub get_doc_attr { |
1114 |
|
my $self = shift; |
1115 |
|
my ($id,$name) = @_; |
1116 |
|
return unless ($id && $name); |
1117 |
|
return $self->_fetch_doc( id => $id, attr => $name ); |
1118 |
|
} |
1119 |
|
|
1120 |
|
|
1121 |
|
=head2 get_doc_attr_by_uri |
1122 |
|
|
1123 |
|
Retrieve the value of an atribute from object |
1124 |
|
|
1125 |
|
my $val = $node->get_doc_attr_by_uri( document_id, 'attribute_name' ) or |
1126 |
|
die "can't get document attribute"; |
1127 |
|
|
1128 |
|
=cut |
1129 |
|
|
1130 |
|
sub get_doc_attr_by_uri { |
1131 |
|
my $self = shift; |
1132 |
|
my ($uri,$name) = @_; |
1133 |
|
return unless ($uri && $name); |
1134 |
|
return $self->_fetch_doc( uri => $uri, attr => $name ); |
1135 |
|
} |
1136 |
|
|
1137 |
|
|
1138 |
|
=head2 etch_doc |
1139 |
|
|
1140 |
|
Exctract document keywords |
1141 |
|
|
1142 |
|
my $keywords = $node->etch_doc( document_id ) or die "can't etch document"; |
1143 |
|
|
1144 |
|
=cut |
1145 |
|
|
1146 |
|
sub etch_doc { |
1147 |
|
my $self = shift; |
1148 |
|
my $id = shift || return; |
1149 |
|
return $self->_fetch_doc( id => $id, etch => 1 ); |
1150 |
|
} |
1151 |
|
|
1152 |
|
=head2 etch_doc_by_uri |
1153 |
|
|
1154 |
|
Retreive document |
1155 |
|
|
1156 |
|
my $keywords = $node->etch_doc_by_uri( 'file:///document/uri/42' ) or die "can't etch document"; |
1157 |
|
|
1158 |
|
Return true on success or false on failture. |
1159 |
|
|
1160 |
|
=cut |
1161 |
|
|
1162 |
|
sub etch_doc_by_uri { |
1163 |
|
my $self = shift; |
1164 |
|
my $uri = shift || return; |
1165 |
|
return $self->_fetch_doc( uri => $uri, etch => 1 ); |
1166 |
|
} |
1167 |
|
|
1168 |
|
|
1169 |
|
=head2 uri_to_id |
1170 |
|
|
1171 |
|
Get ID of document specified by URI |
1172 |
|
|
1173 |
|
my $id = $node->uri_to_id( 'file:///document/uri/42' ); |
1174 |
|
|
1175 |
|
=cut |
1176 |
|
|
1177 |
|
sub uri_to_id { |
1178 |
|
my $self = shift; |
1179 |
|
my $uri = shift || return; |
1180 |
|
return $self->_fetch_doc( uri => $uri, path => '/uri_to_id', chomp_resbody => 1 ); |
1181 |
|
} |
1182 |
|
|
1183 |
|
|
1184 |
|
=head2 _fetch_doc |
1185 |
|
|
1186 |
|
Private function used for implementing of C<get_doc>, C<get_doc_by_uri>, |
1187 |
|
C<etch_doc>, C<etch_doc_by_uri>. |
1188 |
|
|
1189 |
|
# this will decode received draft into Search::Estraier::Document object |
1190 |
|
my $doc = $node->_fetch_doc( id => 42 ); |
1191 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42' ); |
1192 |
|
|
1193 |
|
# to extract keywords, add etch |
1194 |
|
my $doc = $node->_fetch_doc( id => 42, etch => 1 ); |
1195 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', etch => 1 ); |
1196 |
|
|
1197 |
|
# to get document attrubute add attr |
1198 |
|
my $doc = $node->_fetch_doc( id => 42, attr => '@mdate' ); |
1199 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', attr => '@mdate' ); |
1200 |
|
|
1201 |
|
# more general form which allows implementation of |
1202 |
|
# uri_to_id |
1203 |
|
my $id = $node->_fetch_doc( |
1204 |
|
uri => 'file:///document/uri/42', |
1205 |
|
path => '/uri_to_id', |
1206 |
|
chomp_resbody => 1 |
1207 |
|
); |
1208 |
|
|
1209 |
|
=cut |
1210 |
|
|
1211 |
|
sub _fetch_doc { |
1212 |
|
my $self = shift; |
1213 |
|
my $a = {@_}; |
1214 |
|
return unless ( ($a->{id} || $a->{uri}) && $self->{url} ); |
1215 |
|
|
1216 |
|
my ($arg, $resbody); |
1217 |
|
|
1218 |
|
my $path = $a->{path} || '/get_doc'; |
1219 |
|
$path = '/etch_doc' if ($a->{etch}); |
1220 |
|
|
1221 |
|
if ($a->{id}) { |
1222 |
|
croak "id must be numberm not '$a->{id}'" unless ($a->{id} =~ m/^\d+$/); |
1223 |
|
$arg = 'id=' . $a->{id}; |
1224 |
|
} elsif ($a->{uri}) { |
1225 |
|
$arg = 'uri=' . uri_escape($a->{uri}); |
1226 |
|
} else { |
1227 |
|
confess "unhandled argument. Need id or uri."; |
1228 |
|
} |
1229 |
|
|
1230 |
|
if ($a->{attr}) { |
1231 |
|
$path = '/get_doc_attr'; |
1232 |
|
$arg .= '&attr=' . uri_escape($a->{attr}); |
1233 |
|
$a->{chomp_resbody} = 1; |
1234 |
|
} |
1235 |
|
|
1236 |
|
my $rv = $self->shuttle_url( $self->{url} . $path, |
1237 |
|
'application/x-www-form-urlencoded', |
1238 |
|
$arg, |
1239 |
|
\$resbody, |
1240 |
|
); |
1241 |
|
|
1242 |
|
return if ($rv != 200); |
1243 |
|
|
1244 |
|
if ($a->{etch}) { |
1245 |
|
$self->{kwords} = {}; |
1246 |
|
return +{} unless ($resbody); |
1247 |
|
foreach my $l (split(/\n/, $resbody)) { |
1248 |
|
my ($k,$v) = split(/\t/, $l, 2); |
1249 |
|
$self->{kwords}->{$k} = $v if ($v); |
1250 |
|
} |
1251 |
|
return $self->{kwords}; |
1252 |
|
} elsif ($a->{chomp_resbody}) { |
1253 |
|
return unless (defined($resbody)); |
1254 |
|
chomp($resbody); |
1255 |
|
return $resbody; |
1256 |
|
} else { |
1257 |
|
return new Search::Estraier::Document($resbody); |
1258 |
|
} |
1259 |
|
} |
1260 |
|
|
1261 |
|
|
1262 |
|
=head2 name |
1263 |
|
|
1264 |
|
my $node_name = $node->name; |
1265 |
|
|
1266 |
|
=cut |
1267 |
|
|
1268 |
|
sub name { |
1269 |
|
my $self = shift; |
1270 |
|
$self->_set_info unless ($self->{name}); |
1271 |
|
return $self->{name}; |
1272 |
|
} |
1273 |
|
|
1274 |
|
|
1275 |
|
=head2 label |
1276 |
|
|
1277 |
|
my $node_label = $node->label; |
1278 |
|
|
1279 |
|
=cut |
1280 |
|
|
1281 |
|
sub label { |
1282 |
|
my $self = shift; |
1283 |
|
$self->_set_info unless ($self->{label}); |
1284 |
|
return $self->{label}; |
1285 |
|
} |
1286 |
|
|
1287 |
|
|
1288 |
|
=head2 doc_num |
1289 |
|
|
1290 |
|
my $documents_in_node = $node->doc_num; |
1291 |
|
|
1292 |
|
=cut |
1293 |
|
|
1294 |
|
sub doc_num { |
1295 |
|
my $self = shift; |
1296 |
|
$self->_set_info if ($self->{dnum} < 0); |
1297 |
|
return $self->{dnum}; |
1298 |
|
} |
1299 |
|
|
1300 |
|
|
1301 |
|
=head2 word_num |
1302 |
|
|
1303 |
|
my $words_in_node = $node->word_num; |
1304 |
|
|
1305 |
|
=cut |
1306 |
|
|
1307 |
|
sub word_num { |
1308 |
|
my $self = shift; |
1309 |
|
$self->_set_info if ($self->{wnum} < 0); |
1310 |
|
return $self->{wnum}; |
1311 |
|
} |
1312 |
|
|
1313 |
|
|
1314 |
|
=head2 size |
1315 |
|
|
1316 |
|
my $node_size = $node->size; |
1317 |
|
|
1318 |
|
=cut |
1319 |
|
|
1320 |
|
sub size { |
1321 |
|
my $self = shift; |
1322 |
|
$self->_set_info if ($self->{size} < 0); |
1323 |
|
return $self->{size}; |
1324 |
|
} |
1325 |
|
|
1326 |
|
|
1327 |
|
=head2 search |
1328 |
|
|
1329 |
|
Search documents which match condition |
1330 |
|
|
1331 |
|
my $nres = $node->search( $cond, $depth ); |
1332 |
|
|
1333 |
|
C<$cond> is C<Search::Estraier::Condition> object, while <$depth> specifies |
1334 |
|
depth for meta search. |
1335 |
|
|
1336 |
|
Function results C<Search::Estraier::NodeResult> object. |
1337 |
|
|
1338 |
|
=cut |
1339 |
|
|
1340 |
|
sub search { |
1341 |
|
my $self = shift; |
1342 |
|
my ($cond, $depth) = @_; |
1343 |
|
return unless ($cond && defined($depth) && $self->{url}); |
1344 |
|
croak "cond mush be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1345 |
|
croak "depth needs number, not '$depth'" unless ($depth =~ m/^\d+$/); |
1346 |
|
|
1347 |
|
my $resbody; |
1348 |
|
|
1349 |
|
my $rv = $self->shuttle_url( $self->{url} . '/search', |
1350 |
|
'application/x-www-form-urlencoded', |
1351 |
|
$self->cond_to_query( $cond, $depth ), |
1352 |
|
\$resbody, |
1353 |
|
); |
1354 |
|
return if ($rv != 200); |
1355 |
|
|
1356 |
|
my (@docs, $hints); |
1357 |
|
|
1358 |
|
my @lines = split(/\n/, $resbody); |
1359 |
|
return unless (@lines); |
1360 |
|
|
1361 |
|
my $border = $lines[0]; |
1362 |
|
my $isend = 0; |
1363 |
|
my $lnum = 1; |
1364 |
|
|
1365 |
|
while ( $lnum <= $#lines ) { |
1366 |
|
my $line = $lines[$lnum]; |
1367 |
|
$lnum++; |
1368 |
|
|
1369 |
|
#warn "## $line\n"; |
1370 |
|
if ($line && $line =~ m/^\Q$border\E(:END)*$/) { |
1371 |
|
$isend = $1; |
1372 |
|
last; |
1373 |
|
} |
1374 |
|
|
1375 |
|
if ($line =~ /\t/) { |
1376 |
|
my ($k,$v) = split(/\t/, $line, 2); |
1377 |
|
$hints->{$k} = $v; |
1378 |
|
} |
1379 |
|
} |
1380 |
|
|
1381 |
|
my $snum = $lnum; |
1382 |
|
|
1383 |
|
while( ! $isend && $lnum <= $#lines ) { |
1384 |
|
my $line = $lines[$lnum]; |
1385 |
|
#warn "# $lnum: $line\n"; |
1386 |
|
$lnum++; |
1387 |
|
|
1388 |
|
if ($line && $line =~ m/^\Q$border\E/) { |
1389 |
|
if ($lnum > $snum) { |
1390 |
|
my $rdattrs; |
1391 |
|
my $rdvector; |
1392 |
|
my $rdsnippet; |
1393 |
|
|
1394 |
|
my $rlnum = $snum; |
1395 |
|
while ($rlnum < $lnum - 1 ) { |
1396 |
|
#my $rdline = $self->_s($lines[$rlnum]); |
1397 |
|
my $rdline = $lines[$rlnum]; |
1398 |
|
$rlnum++; |
1399 |
|
last unless ($rdline); |
1400 |
|
if ($rdline =~ /^%/) { |
1401 |
|
$rdvector = $1 if ($rdline =~ /^%VECTOR\t(.+)$/); |
1402 |
|
} elsif($rdline =~ /=/) { |
1403 |
|
$rdattrs->{$1} = $2 if ($rdline =~ /^(.+)=(.+)$/); |
1404 |
|
} else { |
1405 |
|
confess "invalid format of response"; |
1406 |
|
} |
1407 |
|
} |
1408 |
|
while($rlnum < $lnum - 1) { |
1409 |
|
my $rdline = $lines[$rlnum]; |
1410 |
|
$rlnum++; |
1411 |
|
$rdsnippet .= "$rdline\n"; |
1412 |
|
} |
1413 |
|
#warn Dumper($rdvector, $rdattrs, $rdsnippet); |
1414 |
|
if (my $rduri = $rdattrs->{'@uri'}) { |
1415 |
|
push @docs, new Search::Estraier::ResultDocument( |
1416 |
|
uri => $rduri, |
1417 |
|
attrs => $rdattrs, |
1418 |
|
snippet => $rdsnippet, |
1419 |
|
keywords => $rdvector, |
1420 |
|
); |
1421 |
|
} |
1422 |
|
} |
1423 |
|
$snum = $lnum; |
1424 |
|
#warn "### $line\n"; |
1425 |
|
$isend = 1 if ($line =~ /:END$/); |
1426 |
|
} |
1427 |
|
|
1428 |
|
} |
1429 |
|
|
1430 |
|
if (! $isend) { |
1431 |
|
warn "received result doesn't have :END\n$resbody"; |
1432 |
|
return; |
1433 |
|
} |
1434 |
|
|
1435 |
|
#warn Dumper(\@docs, $hints); |
1436 |
|
|
1437 |
|
return new Search::Estraier::NodeResult( docs => \@docs, hints => $hints ); |
1438 |
|
} |
1439 |
|
|
1440 |
|
|
1441 |
|
=head2 cond_to_query |
1442 |
|
|
1443 |
|
Return URI encoded string generated from Search::Estraier::Condition |
1444 |
|
|
1445 |
|
my $args = $node->cond_to_query( $cond, $depth ); |
1446 |
|
|
1447 |
|
=cut |
1448 |
|
|
1449 |
|
sub cond_to_query { |
1450 |
|
my $self = shift; |
1451 |
|
|
1452 |
|
my $cond = shift || return; |
1453 |
|
croak "condition must be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1454 |
|
my $depth = shift; |
1455 |
|
|
1456 |
|
my @args; |
1457 |
|
|
1458 |
|
if (my $phrase = $cond->phrase) { |
1459 |
|
push @args, 'phrase=' . uri_escape($phrase); |
1460 |
|
} |
1461 |
|
|
1462 |
|
if (my @attrs = $cond->attrs) { |
1463 |
|
for my $i ( 0 .. $#attrs ) { |
1464 |
|
push @args,'attr' . ($i+1) . '=' . uri_escape( $attrs[$i] ) if ($attrs[$i]); |
1465 |
|
} |
1466 |
|
} |
1467 |
|
|
1468 |
|
if (my $order = $cond->order) { |
1469 |
|
push @args, 'order=' . uri_escape($order); |
1470 |
|
} |
1471 |
|
|
1472 |
|
if (my $max = $cond->max) { |
1473 |
|
push @args, 'max=' . $max; |
1474 |
|
} else { |
1475 |
|
push @args, 'max=' . (1 << 30); |
1476 |
|
} |
1477 |
|
|
1478 |
|
if (my $options = $cond->options) { |
1479 |
|
push @args, 'options=' . $options; |
1480 |
|
} |
1481 |
|
|
1482 |
|
push @args, 'depth=' . $depth if ($depth); |
1483 |
|
push @args, 'wwidth=' . $self->{wwidth}; |
1484 |
|
push @args, 'hwidth=' . $self->{hwidth}; |
1485 |
|
push @args, 'awidth=' . $self->{awidth}; |
1486 |
|
|
1487 |
|
return join('&', @args); |
1488 |
|
} |
1489 |
|
|
1490 |
|
|
1491 |
|
=head2 shuttle_url |
1492 |
|
|
1493 |
|
This is method which uses C<LWP::UserAgent> to communicate with Hyper Estraier node |
1494 |
|
master. |
1495 |
|
|
1496 |
|
my $rv = shuttle_url( $url, $content_type, $req_body, \$resbody ); |
1497 |
|
|
1498 |
|
C<$resheads> and C<$resbody> booleans controll if response headers and/or response |
1499 |
|
body will be saved within object. |
1500 |
|
|
1501 |
|
=cut |
1502 |
|
|
1503 |
|
use LWP::UserAgent; |
1504 |
|
|
1505 |
|
sub shuttle_url { |
1506 |
|
my $self = shift; |
1507 |
|
|
1508 |
|
my ($url, $content_type, $reqbody, $resbody) = @_; |
1509 |
|
|
1510 |
|
$self->{status} = -1; |
1511 |
|
|
1512 |
|
warn "## $url\n" if ($self->{debug}); |
1513 |
|
|
1514 |
|
$url = new URI($url); |
1515 |
|
if ( |
1516 |
|
!$url || !$url->scheme || !$url->scheme eq 'http' || |
1517 |
|
!$url->host || !$url->port || $url->port < 1 |
1518 |
|
) { |
1519 |
|
carp "can't parse $url\n"; |
1520 |
|
return -1; |
1521 |
|
} |
1522 |
|
|
1523 |
|
my $ua = LWP::UserAgent->new; |
1524 |
|
$ua->agent( "Search-Estraier/$Search::Estraier::VERSION" ); |
1525 |
|
|
1526 |
|
my $req; |
1527 |
|
if ($reqbody) { |
1528 |
|
$req = HTTP::Request->new(POST => $url); |
1529 |
|
} else { |
1530 |
|
$req = HTTP::Request->new(GET => $url); |
1531 |
|
} |
1532 |
|
|
1533 |
|
$req->headers->header( 'Host' => $url->host . ":" . $url->port ); |
1534 |
|
$req->headers->header( 'Connection', 'close' ); |
1535 |
|
$req->headers->header( 'Authorization', 'Basic ' . $self->{auth} ) if ($self->{auth}); |
1536 |
|
$req->content_type( $content_type ); |
1537 |
|
|
1538 |
|
warn $req->headers->as_string,"\n" if ($self->{debug}); |
1539 |
|
|
1540 |
|
if ($reqbody) { |
1541 |
|
warn "$reqbody\n" if ($self->{debug}); |
1542 |
|
$req->content( $reqbody ); |
1543 |
|
} |
1544 |
|
|
1545 |
|
my $res = $ua->request($req) || croak "can't make request to $url: $!"; |
1546 |
|
|
1547 |
|
warn "## response status: ",$res->status_line,"\n" if ($self->{debug}); |
1548 |
|
|
1549 |
|
($self->{status}, $self->{status_message}) = split(/\s+/, $res->status_line, 2); |
1550 |
|
|
1551 |
|
if (! $res->is_success) { |
1552 |
|
if ($self->{croak_on_error}) { |
1553 |
|
croak("can't get $url: ",$res->status_line); |
1554 |
|
} else { |
1555 |
|
return -1; |
1556 |
|
} |
1557 |
|
} |
1558 |
|
|
1559 |
|
$$resbody .= $res->content; |
1560 |
|
|
1561 |
|
warn "## response body:\n$$resbody\n" if ($resbody && $self->{debug}); |
1562 |
|
|
1563 |
|
return $self->{status}; |
1564 |
|
} |
1565 |
|
|
1566 |
|
|
1567 |
|
=head2 set_snippet_width |
1568 |
|
|
1569 |
|
Set width of snippets in results |
1570 |
|
|
1571 |
|
$node->set_snippet_width( $wwidth, $hwidth, $awidth ); |
1572 |
|
|
1573 |
|
C<$wwidth> specifies whole width of snippet. It's C<480> by default. If it's C<0> snippet |
1574 |
|
is not sent with results. If it is negative, whole document text is sent instead of snippet. |
1575 |
|
|
1576 |
|
C<$hwidth> specified width of strings from beginning of string. Default |
1577 |
|
value is C<96>. Negative or zero value keep previous value. |
1578 |
|
|
1579 |
|
C<$awidth> specifies width of strings around each highlighted word. It's C<96> by default. |
1580 |
|
If negative of zero value is provided previous value is kept unchanged. |
1581 |
|
|
1582 |
|
=cut |
1583 |
|
|
1584 |
|
sub set_snippet_width { |
1585 |
|
my $self = shift; |
1586 |
|
|
1587 |
|
my ($wwidth, $hwidth, $awidth) = @_; |
1588 |
|
$self->{wwidth} = $wwidth; |
1589 |
|
$self->{hwidth} = $hwidth if ($hwidth >= 0); |
1590 |
|
$self->{awidth} = $awidth if ($awidth >= 0); |
1591 |
|
} |
1592 |
|
|
1593 |
|
|
1594 |
|
=head2 set_user |
1595 |
|
|
1596 |
|
Manage users of node |
1597 |
|
|
1598 |
|
$node->set_user( 'name', $mode ); |
1599 |
|
|
1600 |
|
C<$mode> can be one of: |
1601 |
|
|
1602 |
|
=over 4 |
1603 |
|
|
1604 |
|
=item 0 |
1605 |
|
|
1606 |
|
delete account |
1607 |
|
|
1608 |
|
=item 1 |
1609 |
|
|
1610 |
|
set administrative right for user |
1611 |
|
|
1612 |
|
=item 2 |
1613 |
|
|
1614 |
|
set user account as guest |
1615 |
|
|
1616 |
|
=back |
1617 |
|
|
1618 |
|
Return true on success, otherwise false. |
1619 |
|
|
1620 |
|
=cut |
1621 |
|
|
1622 |
|
sub set_user { |
1623 |
|
my $self = shift; |
1624 |
|
my ($name, $mode) = @_; |
1625 |
|
|
1626 |
|
return unless ($self->{url}); |
1627 |
|
croak "mode must be number, not '$mode'" unless ($mode =~ m/^\d+$/); |
1628 |
|
|
1629 |
|
$self->shuttle_url( $self->{url} . '/_set_user', |
1630 |
|
'text/plain', |
1631 |
|
'name=' . uri_escape($name) . '&mode=' . $mode, |
1632 |
|
undef |
1633 |
|
) == 200; |
1634 |
|
} |
1635 |
|
|
1636 |
|
|
1637 |
|
=head2 set_link |
1638 |
|
|
1639 |
|
Manage node links |
1640 |
|
|
1641 |
|
$node->set_link('http://localhost:1978/node/another', 'another node label', $credit); |
1642 |
|
|
1643 |
|
If C<$credit> is negative, link is removed. |
1644 |
|
|
1645 |
|
=cut |
1646 |
|
|
1647 |
|
sub set_link { |
1648 |
|
my $self = shift; |
1649 |
|
my ($url, $label, $credit) = @_; |
1650 |
|
|
1651 |
|
return unless ($self->{url}); |
1652 |
|
croak "mode credit be number, not '$credit'" unless ($credit =~ m/^\d+$/); |
1653 |
|
|
1654 |
|
my $reqbody = 'url=' . uri_escape($url) . '&label=' . uri_escape($label); |
1655 |
|
$reqbody .= '&credit=' . $credit if ($credit > 0); |
1656 |
|
|
1657 |
|
$self->shuttle_url( $self->{url} . '/_set_link', |
1658 |
|
'application/x-www-form-urlencoded', |
1659 |
|
$reqbody, |
1660 |
|
undef |
1661 |
|
) == 200; |
1662 |
|
} |
1663 |
|
|
1664 |
|
|
1665 |
|
=head1 PRIVATE METHODS |
1666 |
|
|
1667 |
|
You could call those directly, but you don't have to. I hope. |
1668 |
|
|
1669 |
|
=head2 _set_info |
1670 |
|
|
1671 |
|
Set information for node |
1672 |
|
|
1673 |
|
$node->_set_info; |
1674 |
|
|
1675 |
|
=cut |
1676 |
|
|
1677 |
|
sub _set_info { |
1678 |
|
my $self = shift; |
1679 |
|
|
1680 |
|
$self->{status} = -1; |
1681 |
|
return unless ($self->{url}); |
1682 |
|
|
1683 |
|
my $resbody; |
1684 |
|
my $rv = $self->shuttle_url( $self->{url} . '/inform', |
1685 |
|
'text/plain', |
1686 |
|
undef, |
1687 |
|
\$resbody, |
1688 |
|
); |
1689 |
|
|
1690 |
|
return if ($rv != 200 || !$resbody); |
1691 |
|
|
1692 |
|
# it seems that response can have multiple line endings |
1693 |
|
$resbody =~ s/[\r\n]+$//; |
1694 |
|
|
1695 |
|
( $self->{name}, $self->{label}, $self->{dnum}, $self->{wnum}, $self->{size} ) = |
1696 |
|
split(/\t/, $resbody, 5); |
1697 |
|
|
1698 |
|
} |
1699 |
|
|
1700 |
### |
### |
1701 |
|
|