1 |
package Search::Estraier; |
2 |
|
3 |
use 5.008; |
4 |
use strict; |
5 |
use warnings; |
6 |
|
7 |
our $VERSION = '0.01'; |
8 |
|
9 |
=head1 NAME |
10 |
|
11 |
Search::Estraier - pure perl module to use Hyper Estraier search engine |
12 |
|
13 |
=head1 SYNOPSIS |
14 |
|
15 |
use Search::Estraier; |
16 |
my $est = new Search::Estraier(); |
17 |
|
18 |
=head1 DESCRIPTION |
19 |
|
20 |
This module is implementation of node API of Hyper Estraier. Since it's |
21 |
perl-only module with dependencies only on standard perl modules, it will |
22 |
run on all platforms on which perl runs. It doesn't require compilation |
23 |
or Hyper Estraier development files on target machine. |
24 |
|
25 |
It is implemented as multiple packages which closly resamble Ruby |
26 |
implementation. It also includes methods to manage nodes. |
27 |
|
28 |
=cut |
29 |
|
30 |
=head1 Inheritable common methods |
31 |
|
32 |
This methods should really move somewhere else. |
33 |
|
34 |
=head2 _s |
35 |
|
36 |
Remove multiple whitespaces from string, as well as whitespaces at beginning or end |
37 |
|
38 |
my $text = $self->_s(" this is a text "); |
39 |
$text = 'this is a text'; |
40 |
|
41 |
=cut |
42 |
|
43 |
sub _s { |
44 |
my $text = $_[1] || return; |
45 |
$text =~ s/\s\s+/ /gs; |
46 |
$text =~ s/^\s+//; |
47 |
$text =~ s/\s+$//; |
48 |
return $text; |
49 |
} |
50 |
|
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package Search::Estraier::Document; |
52 |
|
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use Carp qw/croak confess/; |
54 |
|
55 |
use Search::Estraier; |
56 |
our @ISA = qw/Search::Estraier/; |
57 |
|
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=head1 Search::Estraier::Document |
59 |
|
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This class implements Document which is collection of attributes |
61 |
(key=value), vectors (also key value) display text and hidden text. |
62 |
|
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|
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=head2 new |
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|
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Create new document, empty or from draft. |
67 |
|
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my $doc = new Search::HyperEstraier::Document; |
69 |
my $doc2 = new Search::HyperEstraier::Document( $draft ); |
70 |
|
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=cut |
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|
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sub new { |
74 |
my $class = shift; |
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my $self = {}; |
76 |
bless($self, $class); |
77 |
|
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$self->{id} = -1; |
79 |
|
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my $draft = shift; |
81 |
|
82 |
if ($draft) { |
83 |
my $in_text = 0; |
84 |
foreach my $line (split(/\n/, $draft)) { |
85 |
|
86 |
if ($in_text) { |
87 |
if ($line =~ /^\t/) { |
88 |
push @{ $self->{htexts} }, substr($line, 1); |
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} else { |
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push @{ $self->{dtexts} }, $line; |
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} |
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next; |
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} |
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|
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if ($line =~ m/^%VECTOR\t(.+)$/) { |
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my @fields = split(/\t/, $1); |
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for my $i ( 0 .. ($#fields - 1) ) { |
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$self->{kwords}->{ $fields[ $i ] } = $fields[ $i + 1 ]; |
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$i++; |
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} |
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next; |
102 |
} elsif ($line =~ m/^%/) { |
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# What is this? comment? |
104 |
#warn "$line\n"; |
105 |
next; |
106 |
} elsif ($line =~ m/^$/) { |
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$in_text = 1; |
108 |
next; |
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} elsif ($line =~ m/^(.+)=(.+)$/) { |
110 |
$self->{attrs}->{ $1 } = $2; |
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next; |
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} |
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|
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warn "draft ignored: $line\n"; |
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} |
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} |
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|
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$self ? return $self : return undef; |
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} |
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|
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|
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=head2 add_attr |
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|
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Add an attribute. |
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|
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$doc->add_attr( name => 'value' ); |
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|
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Delete attribute using |
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|
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$doc->add_attr( name => undef ); |
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|
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=cut |
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|
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sub add_attr { |
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my $self = shift; |
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my $attrs = {@_}; |
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|
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while (my ($name, $value) = each %{ $attrs }) { |
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if (! defined($value)) { |
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delete( $self->{attrs}->{ $self->_s($name) } ); |
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} else { |
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$self->{attrs}->{ $self->_s($name) } = $self->_s($value); |
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} |
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} |
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|
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return 1; |
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} |
148 |
|
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|
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=head2 add_text |
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|
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Add a sentence of text. |
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|
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$doc->add_text('this is example text to display'); |
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|
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=cut |
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|
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sub add_text { |
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my $self = shift; |
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my $text = shift; |
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return unless defined($text); |
162 |
|
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push @{ $self->{dtexts} }, $self->_s($text); |
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} |
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|
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|
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=head2 add_hidden_text |
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|
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Add a hidden sentence. |
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|
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$doc->add_hidden_text('this is example text just for search'); |
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|
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=cut |
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|
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sub add_hidden_text { |
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my $self = shift; |
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my $text = shift; |
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return unless defined($text); |
179 |
|
180 |
push @{ $self->{htexts} }, $self->_s($text); |
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} |
182 |
|
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|
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=head2 id |
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|
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Get the ID number of document. If the object has never been registred, C<-1> is returned. |
187 |
|
188 |
print $doc->id; |
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|
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=cut |
191 |
|
192 |
sub id { |
193 |
my $self = shift; |
194 |
return $self->{id}; |
195 |
} |
196 |
|
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|
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=head2 attr_names |
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|
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Returns array with attribute names from document object. |
201 |
|
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my @attrs = $doc->attr_names; |
203 |
|
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=cut |
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|
206 |
sub attr_names { |
207 |
my $self = shift; |
208 |
croak "attr_names return array, not scalar" if (! wantarray); |
209 |
return sort keys %{ $self->{attrs} }; |
210 |
} |
211 |
|
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|
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=head2 attr |
214 |
|
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Returns value of an attribute. |
216 |
|
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my $value = $doc->attr( 'attribute' ); |
218 |
|
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=cut |
220 |
|
221 |
sub attr { |
222 |
my $self = shift; |
223 |
my $name = shift; |
224 |
|
225 |
return $self->{'attrs'}->{ $name }; |
226 |
} |
227 |
|
228 |
|
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=head2 texts |
230 |
|
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Returns array with text sentences. |
232 |
|
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my @texts = $doc->texts; |
234 |
|
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=cut |
236 |
|
237 |
sub texts { |
238 |
my $self = shift; |
239 |
confess "texts return array, not scalar" if (! wantarray); |
240 |
return @{ $self->{dtexts} }; |
241 |
} |
242 |
|
243 |
|
244 |
=head2 cat_texts |
245 |
|
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Return whole text as single scalar. |
247 |
|
248 |
my $text = $doc->cat_texts; |
249 |
|
250 |
=cut |
251 |
|
252 |
sub cat_texts { |
253 |
my $self = shift; |
254 |
return join(' ',@{ $self->{dtexts} }); |
255 |
} |
256 |
|
257 |
|
258 |
=head2 dump_draft |
259 |
|
260 |
Dump draft data from document object. |
261 |
|
262 |
print $doc->dump_draft; |
263 |
|
264 |
=cut |
265 |
|
266 |
sub dump_draft { |
267 |
my $self = shift; |
268 |
my $draft; |
269 |
|
270 |
foreach my $attr_name (sort keys %{ $self->{attrs} }) { |
271 |
$draft .= $attr_name . '=' . $self->{attrs}->{$attr_name} . "\n"; |
272 |
} |
273 |
|
274 |
if ($self->{kwords}) { |
275 |
$draft .= '%%VECTOR'; |
276 |
while (my ($key, $value) = each %{ $self->{kwords} }) { |
277 |
$draft .= "\t$key\t$value"; |
278 |
} |
279 |
$draft .= "\n"; |
280 |
} |
281 |
|
282 |
$draft .= "\n"; |
283 |
|
284 |
$draft .= join("\n", @{ $self->{dtexts} }) . "\n" if ($self->{dtexts}); |
285 |
$draft .= "\t" . join("\n\t", @{ $self->{htexts} }) . "\n" if ($self->{htexts}); |
286 |
|
287 |
return $draft; |
288 |
} |
289 |
|
290 |
|
291 |
=head2 delete |
292 |
|
293 |
Empty document object |
294 |
|
295 |
$doc->delete; |
296 |
|
297 |
This function is addition to original Ruby API, and since it was included in C wrappers it's here as a |
298 |
convinience. Document objects which go out of scope will be destroyed |
299 |
automatically. |
300 |
|
301 |
=cut |
302 |
|
303 |
sub delete { |
304 |
my $self = shift; |
305 |
|
306 |
foreach my $data (qw/attrs dtexts stexts kwords/) { |
307 |
delete($self->{$data}); |
308 |
} |
309 |
|
310 |
$self->{id} = -1; |
311 |
|
312 |
return 1; |
313 |
} |
314 |
|
315 |
|
316 |
|
317 |
package Search::Estraier::Condition; |
318 |
|
319 |
use Carp qw/confess croak/; |
320 |
|
321 |
use Search::Estraier; |
322 |
our @ISA = qw/Search::Estraier/; |
323 |
|
324 |
=head1 Search::Estraier::Condition |
325 |
|
326 |
=head2 new |
327 |
|
328 |
my $cond = new Search::HyperEstraier::Condition; |
329 |
|
330 |
=cut |
331 |
|
332 |
sub new { |
333 |
my $class = shift; |
334 |
my $self = {}; |
335 |
bless($self, $class); |
336 |
|
337 |
$self->{max} = -1; |
338 |
$self->{options} = 0; |
339 |
|
340 |
$self ? return $self : return undef; |
341 |
} |
342 |
|
343 |
|
344 |
=head2 set_phrase |
345 |
|
346 |
$cond->set_phrase('search phrase'); |
347 |
|
348 |
=cut |
349 |
|
350 |
sub set_phrase { |
351 |
my $self = shift; |
352 |
$self->{phrase} = $self->_s( shift ); |
353 |
} |
354 |
|
355 |
|
356 |
=head2 add_attr |
357 |
|
358 |
$cond->add_attr('@URI STRINC /~dpavlin/'); |
359 |
|
360 |
=cut |
361 |
|
362 |
sub add_attr { |
363 |
my $self = shift; |
364 |
my $attr = shift || return; |
365 |
push @{ $self->{attrs} }, $self->_s( $attr ); |
366 |
} |
367 |
|
368 |
|
369 |
=head2 set_order |
370 |
|
371 |
$cond->set_order('@mdate NUMD'); |
372 |
|
373 |
=cut |
374 |
|
375 |
sub set_order { |
376 |
my $self = shift; |
377 |
$self->{order} = shift; |
378 |
} |
379 |
|
380 |
|
381 |
=head2 set_max |
382 |
|
383 |
$cond->set_max(42); |
384 |
|
385 |
=cut |
386 |
|
387 |
sub set_max { |
388 |
my $self = shift; |
389 |
my $max = shift; |
390 |
croak "set_max needs number, not '$max'" unless ($max =~ m/^\d+$/); |
391 |
$self->{max} = $max; |
392 |
} |
393 |
|
394 |
|
395 |
=head2 set_options |
396 |
|
397 |
$cond->set_options( SURE => 1 ); |
398 |
|
399 |
=cut |
400 |
|
401 |
my $options = { |
402 |
# check N-gram keys skipping by three |
403 |
SURE => 1 << 0, |
404 |
# check N-gram keys skipping by two |
405 |
USUAL => 1 << 1, |
406 |
# without TF-IDF tuning |
407 |
FAST => 1 << 2, |
408 |
# with the simplified phrase |
409 |
AGITO => 1 << 3, |
410 |
# check every N-gram key |
411 |
NOIDF => 1 << 4, |
412 |
# check N-gram keys skipping by one |
413 |
SIMPLE => 1 << 10, |
414 |
}; |
415 |
|
416 |
sub set_options { |
417 |
my $self = shift; |
418 |
my $option = shift; |
419 |
confess "unknown option" unless ($options->{$option}); |
420 |
$self->{options} ||= $options->{$option}; |
421 |
} |
422 |
|
423 |
|
424 |
=head2 phrase |
425 |
|
426 |
Return search phrase. |
427 |
|
428 |
print $cond->phrase; |
429 |
|
430 |
=cut |
431 |
|
432 |
sub phrase { |
433 |
my $self = shift; |
434 |
return $self->{phrase}; |
435 |
} |
436 |
|
437 |
|
438 |
=head2 order |
439 |
|
440 |
Return search result order. |
441 |
|
442 |
print $cond->order; |
443 |
|
444 |
=cut |
445 |
|
446 |
sub order { |
447 |
my $self = shift; |
448 |
return $self->{order}; |
449 |
} |
450 |
|
451 |
|
452 |
=head2 attrs |
453 |
|
454 |
Return search result attrs. |
455 |
|
456 |
my @cond_attrs = $cond->attrs; |
457 |
|
458 |
=cut |
459 |
|
460 |
sub attrs { |
461 |
my $self = shift; |
462 |
#croak "attrs return array, not scalar" if (! wantarray); |
463 |
return @{ $self->{attrs} }; |
464 |
} |
465 |
|
466 |
|
467 |
=head2 max |
468 |
|
469 |
Return maximum number of results. |
470 |
|
471 |
print $cond->max; |
472 |
|
473 |
C<-1> is returned for unitialized value, C<0> is unlimited. |
474 |
|
475 |
=cut |
476 |
|
477 |
sub max { |
478 |
my $self = shift; |
479 |
return $self->{max}; |
480 |
} |
481 |
|
482 |
|
483 |
=head2 options |
484 |
|
485 |
Return options for this condition. |
486 |
|
487 |
print $cond->options; |
488 |
|
489 |
Options are returned in numerical form. |
490 |
|
491 |
=cut |
492 |
|
493 |
sub options { |
494 |
my $self = shift; |
495 |
return $self->{options}; |
496 |
} |
497 |
|
498 |
|
499 |
package Search::Estraier::ResultDocument; |
500 |
|
501 |
use Carp qw/croak/; |
502 |
|
503 |
#use Search::Estraier; |
504 |
#our @ISA = qw/Search::Estraier/; |
505 |
|
506 |
=head1 Search::Estraier::ResultDocument |
507 |
|
508 |
=head2 new |
509 |
|
510 |
my $rdoc = new Search::HyperEstraier::ResultDocument( |
511 |
uri => 'http://localhost/document/uri/42', |
512 |
attrs => { |
513 |
foo => 1, |
514 |
bar => 2, |
515 |
}, |
516 |
snippet => 'this is a text of snippet' |
517 |
keywords => 'this\tare\tkeywords' |
518 |
); |
519 |
|
520 |
=cut |
521 |
|
522 |
sub new { |
523 |
my $class = shift; |
524 |
my $self = {@_}; |
525 |
bless($self, $class); |
526 |
|
527 |
foreach my $f (qw/uri attrs snippet keywords/) { |
528 |
croak "missing $f for ResultDocument" unless defined($self->{$f}); |
529 |
} |
530 |
|
531 |
$self ? return $self : return undef; |
532 |
} |
533 |
|
534 |
|
535 |
=head2 uri |
536 |
|
537 |
Return URI of result document |
538 |
|
539 |
print $rdoc->uri; |
540 |
|
541 |
=cut |
542 |
|
543 |
sub uri { |
544 |
my $self = shift; |
545 |
return $self->{uri}; |
546 |
} |
547 |
|
548 |
|
549 |
=head2 attr_names |
550 |
|
551 |
Returns array with attribute names from result document object. |
552 |
|
553 |
my @attrs = $rdoc->attr_names; |
554 |
|
555 |
=cut |
556 |
|
557 |
sub attr_names { |
558 |
my $self = shift; |
559 |
croak "attr_names return array, not scalar" if (! wantarray); |
560 |
return sort keys %{ $self->{attrs} }; |
561 |
} |
562 |
|
563 |
|
564 |
=head2 attr |
565 |
|
566 |
Returns value of an attribute. |
567 |
|
568 |
my $value = $rdoc->attr( 'attribute' ); |
569 |
|
570 |
=cut |
571 |
|
572 |
sub attr { |
573 |
my $self = shift; |
574 |
my $name = shift || return; |
575 |
return $self->{attrs}->{ $name }; |
576 |
} |
577 |
|
578 |
|
579 |
=head2 snippet |
580 |
|
581 |
Return snippet from result document |
582 |
|
583 |
print $rdoc->snippet; |
584 |
|
585 |
=cut |
586 |
|
587 |
sub snippet { |
588 |
my $self = shift; |
589 |
return $self->{snippet}; |
590 |
} |
591 |
|
592 |
|
593 |
=head2 keywords |
594 |
|
595 |
Return keywords from result document |
596 |
|
597 |
print $rdoc->keywords; |
598 |
|
599 |
=cut |
600 |
|
601 |
sub keywords { |
602 |
my $self = shift; |
603 |
return $self->{keywords}; |
604 |
} |
605 |
|
606 |
|
607 |
package Search::Estraier::NodeResult; |
608 |
|
609 |
use Carp qw/croak/; |
610 |
|
611 |
#use Search::Estraier; |
612 |
#our @ISA = qw/Search::Estraier/; |
613 |
|
614 |
=head1 Search::Estraier::NodeResult |
615 |
|
616 |
=head2 new |
617 |
|
618 |
my $res = new Search::HyperEstraier::NodeResult( |
619 |
docs => @array_of_rdocs, |
620 |
hits => %hash_with_hints, |
621 |
); |
622 |
|
623 |
=cut |
624 |
|
625 |
sub new { |
626 |
my $class = shift; |
627 |
my $self = {@_}; |
628 |
bless($self, $class); |
629 |
|
630 |
foreach my $f (qw/docs hints/) { |
631 |
croak "missing $f for ResultDocument" unless defined($self->{$f}); |
632 |
} |
633 |
|
634 |
$self ? return $self : return undef; |
635 |
} |
636 |
|
637 |
|
638 |
=head2 doc_num |
639 |
|
640 |
Return number of documents |
641 |
|
642 |
print $res->doc_num; |
643 |
|
644 |
=cut |
645 |
|
646 |
sub doc_num { |
647 |
my $self = shift; |
648 |
return $#{$self->{docs}} + 1; |
649 |
} |
650 |
|
651 |
|
652 |
=head2 get_doc |
653 |
|
654 |
Return single document |
655 |
|
656 |
my $doc = $res->get_doc( 42 ); |
657 |
|
658 |
Returns undef if document doesn't exist. |
659 |
|
660 |
=cut |
661 |
|
662 |
sub get_doc { |
663 |
my $self = shift; |
664 |
my $num = shift; |
665 |
croak "expect number as argument, not '$num'" unless ($num =~ m/^\d+$/); |
666 |
return undef if ($num < 0 || $num > $self->{docs}); |
667 |
return $self->{docs}->[$num]; |
668 |
} |
669 |
|
670 |
|
671 |
=head2 hint |
672 |
|
673 |
Return specific hint from results. |
674 |
|
675 |
print $rec->hint( 'VERSION' ); |
676 |
|
677 |
Possible hints are: C<VERSION>, C<NODE>, C<HIT>, C<HINT#n>, C<DOCNUM>, C<WORDNUM>, |
678 |
C<TIME>, C<LINK#n>, C<VIEW>. |
679 |
|
680 |
=cut |
681 |
|
682 |
sub hint { |
683 |
my $self = shift; |
684 |
my $key = shift || return; |
685 |
return $self->{hints}->{$key}; |
686 |
} |
687 |
|
688 |
|
689 |
package Search::Estraier::Node; |
690 |
|
691 |
use Carp qw/carp croak confess/; |
692 |
use URI; |
693 |
use MIME::Base64; |
694 |
use IO::Socket::INET; |
695 |
use URI::Escape qw/uri_escape/; |
696 |
|
697 |
=head1 Search::Estraier::Node |
698 |
|
699 |
=head2 new |
700 |
|
701 |
my $node = new Search::HyperEstraier::Node; |
702 |
|
703 |
=cut |
704 |
|
705 |
sub new { |
706 |
my $class = shift; |
707 |
my $self = { |
708 |
pxport => -1, |
709 |
timeout => 0, # this used to be -1 |
710 |
dnum => -1, |
711 |
wnum => -1, |
712 |
size => -1.0, |
713 |
wwidth => 480, |
714 |
hwidth => 96, |
715 |
awidth => 96, |
716 |
status => -1, |
717 |
}; |
718 |
bless($self, $class); |
719 |
|
720 |
my $args = {@_}; |
721 |
|
722 |
$self->{debug} = $args->{debug}; |
723 |
warn "## Node debug on\n" if ($self->{debug}); |
724 |
|
725 |
$self ? return $self : return undef; |
726 |
} |
727 |
|
728 |
|
729 |
=head2 set_url |
730 |
|
731 |
Specify URL to node server |
732 |
|
733 |
$node->set_url('http://localhost:1978'); |
734 |
|
735 |
=cut |
736 |
|
737 |
sub set_url { |
738 |
my $self = shift; |
739 |
$self->{url} = shift; |
740 |
} |
741 |
|
742 |
|
743 |
=head2 set_proxy |
744 |
|
745 |
Specify proxy server to connect to node server |
746 |
|
747 |
$node->set_proxy('proxy.example.com', 8080); |
748 |
|
749 |
=cut |
750 |
|
751 |
sub set_proxy { |
752 |
my $self = shift; |
753 |
my ($host,$port) = @_; |
754 |
croak "proxy port must be number, not '$port'" unless ($port =~ m/^\d+$/); |
755 |
$self->{pxhost} = $host; |
756 |
$self->{pxport} = $port; |
757 |
} |
758 |
|
759 |
|
760 |
=head2 set_timeout |
761 |
|
762 |
Specify timeout of connection in seconds |
763 |
|
764 |
$node->set_timeout( 15 ); |
765 |
|
766 |
=cut |
767 |
|
768 |
sub set_timeout { |
769 |
my $self = shift; |
770 |
my $sec = shift; |
771 |
croak "timeout must be number, not '$sec'" unless ($sec =~ m/^\d+$/); |
772 |
$self->{timeout} = $sec; |
773 |
} |
774 |
|
775 |
|
776 |
=head2 set_auth |
777 |
|
778 |
Specify name and password for authentication to node server. |
779 |
|
780 |
$node->set_auth('clint','eastwood'); |
781 |
|
782 |
=cut |
783 |
|
784 |
sub set_auth { |
785 |
my $self = shift; |
786 |
my ($login,$passwd) = @_; |
787 |
my $basic_auth = encode_base64( "$login:$passwd" ); |
788 |
chomp($basic_auth); |
789 |
$self->{auth} = $basic_auth; |
790 |
} |
791 |
|
792 |
|
793 |
=head2 status |
794 |
|
795 |
Return status code of last request. |
796 |
|
797 |
print $node->status; |
798 |
|
799 |
C<-1> means connection failure. |
800 |
|
801 |
=cut |
802 |
|
803 |
sub status { |
804 |
my $self = shift; |
805 |
return $self->{status}; |
806 |
} |
807 |
|
808 |
|
809 |
=head2 put_doc |
810 |
|
811 |
Add a document |
812 |
|
813 |
$node->put_doc( $document_draft ) or die "can't add document"; |
814 |
|
815 |
Return true on success or false on failture. |
816 |
|
817 |
=cut |
818 |
|
819 |
sub put_doc { |
820 |
my $self = shift; |
821 |
my $doc = shift || return; |
822 |
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
823 |
$self->shuttle_url( $self->{url} . '/put_doc', |
824 |
'text/x-estraier-draft', |
825 |
$doc->dump_draft, |
826 |
undef |
827 |
) == 200; |
828 |
} |
829 |
|
830 |
|
831 |
=head2 out_doc |
832 |
|
833 |
Remove a document |
834 |
|
835 |
$node->out_doc( document_id ) or "can't remove document"; |
836 |
|
837 |
Return true on success or false on failture. |
838 |
|
839 |
=cut |
840 |
|
841 |
sub out_doc { |
842 |
my $self = shift; |
843 |
my $id = shift || return; |
844 |
return unless ($self->{url}); |
845 |
croak "id must be number, not '$id'" unless ($id =~ m/^\d+$/); |
846 |
$self->shuttle_url( $self->{url} . '/out_doc', |
847 |
'application/x-www-form-urlencoded', |
848 |
"id=$id", |
849 |
undef |
850 |
) == 200; |
851 |
} |
852 |
|
853 |
|
854 |
=head2 out_doc_by_uri |
855 |
|
856 |
Remove a registrated document using it's uri |
857 |
|
858 |
$node->out_doc_by_uri( 'file:///document/uri/42' ) or "can't remove document"; |
859 |
|
860 |
Return true on success or false on failture. |
861 |
|
862 |
=cut |
863 |
|
864 |
sub out_doc_by_uri { |
865 |
my $self = shift; |
866 |
my $uri = shift || return; |
867 |
return unless ($self->{url}); |
868 |
$self->shuttle_url( $self->{url} . '/out_doc', |
869 |
'application/x-www-form-urlencoded', |
870 |
"uri=" . uri_escape($uri), |
871 |
undef |
872 |
) == 200; |
873 |
} |
874 |
|
875 |
|
876 |
=head2 edit_doc |
877 |
|
878 |
Edit attributes of a document |
879 |
|
880 |
$node->edit_doc( $document_draft ) or die "can't edit document"; |
881 |
|
882 |
Return true on success or false on failture. |
883 |
|
884 |
=cut |
885 |
|
886 |
sub edit_doc { |
887 |
my $self = shift; |
888 |
my $doc = shift || return; |
889 |
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
890 |
$self->shuttle_url( $self->{url} . '/edit_doc', |
891 |
'text/x-estraier-draft', |
892 |
$doc->dump_draft, |
893 |
undef |
894 |
) == 200; |
895 |
} |
896 |
|
897 |
|
898 |
=head2 get_doc |
899 |
|
900 |
Retreive document |
901 |
|
902 |
my $doc = $node->get_doc( document_id ) or die "can't get document"; |
903 |
|
904 |
Return true on success or false on failture. |
905 |
|
906 |
=cut |
907 |
|
908 |
sub get_doc { |
909 |
my $self = shift; |
910 |
my $id = shift || return; |
911 |
return $self->_fetch_doc( id => $id ); |
912 |
} |
913 |
|
914 |
|
915 |
=head2 get_doc_by_uri |
916 |
|
917 |
Retreive document |
918 |
|
919 |
my $doc = $node->get_doc_by_uri( 'file:///document/uri/42' ) or die "can't get document"; |
920 |
|
921 |
Return true on success or false on failture. |
922 |
|
923 |
=cut |
924 |
|
925 |
sub get_doc_by_uri { |
926 |
my $self = shift; |
927 |
my $uri = shift || return; |
928 |
return $self->_fetch_doc( uri => $uri ); |
929 |
} |
930 |
|
931 |
|
932 |
=head2 get_doc_attr |
933 |
|
934 |
Retrieve the value of an atribute from object |
935 |
|
936 |
my $val = $node->get_doc_attr( document_id, 'attribute_name' ) or |
937 |
die "can't get document attribute"; |
938 |
|
939 |
=cut |
940 |
|
941 |
sub get_doc_attr { |
942 |
my $self = shift; |
943 |
my ($id,$name) = @_; |
944 |
return unless ($id && $name); |
945 |
return $self->_fetch_doc( id => $id, attr => $name ); |
946 |
} |
947 |
|
948 |
|
949 |
=head2 get_doc_attr_by_uri |
950 |
|
951 |
Retrieve the value of an atribute from object |
952 |
|
953 |
my $val = $node->get_doc_attr_by_uri( document_id, 'attribute_name' ) or |
954 |
die "can't get document attribute"; |
955 |
|
956 |
=cut |
957 |
|
958 |
sub get_doc_attr_by_uri { |
959 |
my $self = shift; |
960 |
my ($uri,$name) = @_; |
961 |
return unless ($uri && $name); |
962 |
return $self->_fetch_doc( uri => $uri, attr => $name ); |
963 |
} |
964 |
|
965 |
|
966 |
=head2 etch_doc |
967 |
|
968 |
Exctract document keywords |
969 |
|
970 |
my $keywords = $node->etch_doc( document_id ) or die "can't etch document"; |
971 |
|
972 |
=cut |
973 |
|
974 |
sub etch_doc { |
975 |
my $self = shift; |
976 |
my $id = shift || return; |
977 |
return $self->_fetch_doc( id => $id, etch => 1 ); |
978 |
} |
979 |
|
980 |
=head2 etch_doc_by_uri |
981 |
|
982 |
Retreive document |
983 |
|
984 |
my $keywords = $node->etch_doc_by_uri( 'file:///document/uri/42' ) or die "can't etch document"; |
985 |
|
986 |
Return true on success or false on failture. |
987 |
|
988 |
=cut |
989 |
|
990 |
sub etch_doc_by_uri { |
991 |
my $self = shift; |
992 |
my $uri = shift || return; |
993 |
return $self->_fetch_doc( uri => $uri, etch => 1 ); |
994 |
} |
995 |
|
996 |
|
997 |
=head2 uri_to_id |
998 |
|
999 |
Get ID of document specified by URI |
1000 |
|
1001 |
my $id = $node->uri_to_id( 'file:///document/uri/42' ); |
1002 |
|
1003 |
=cut |
1004 |
|
1005 |
sub uri_to_id { |
1006 |
my $self = shift; |
1007 |
my $uri = shift || return; |
1008 |
return $self->_fetch_doc( uri => $uri, path => '/uri_to_id', chomp_resbody => 1 ); |
1009 |
} |
1010 |
|
1011 |
|
1012 |
=head2 _fetch_doc |
1013 |
|
1014 |
Private function used for implementing of C<get_doc>, C<get_doc_by_uri>, |
1015 |
C<etch_doc>, C<etch_doc_by_uri>. |
1016 |
|
1017 |
# this will decode received draft into Search::Estraier::Document object |
1018 |
my $doc = $node->_fetch_doc( id => 42 ); |
1019 |
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42' ); |
1020 |
|
1021 |
# to extract keywords, add etch |
1022 |
my $doc = $node->_fetch_doc( id => 42, etch => 1 ); |
1023 |
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', etch => 1 ); |
1024 |
|
1025 |
# to get document attrubute add attr |
1026 |
my $doc = $node->_fetch_doc( id => 42, attr => '@mdate' ); |
1027 |
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', attr => '@mdate' ); |
1028 |
|
1029 |
# more general form which allows implementation of |
1030 |
# uri_to_id |
1031 |
my $id = $node->_fetch_doc( |
1032 |
uri => 'file:///document/uri/42', |
1033 |
path => '/uri_to_id', |
1034 |
chomp_resbody => 1 |
1035 |
); |
1036 |
|
1037 |
=cut |
1038 |
|
1039 |
sub _fetch_doc { |
1040 |
my $self = shift; |
1041 |
my $a = {@_}; |
1042 |
return unless ( ($a->{id} || $a->{uri}) && $self->{url} ); |
1043 |
|
1044 |
my ($arg, $resbody); |
1045 |
|
1046 |
my $path = $a->{path} || '/get_doc'; |
1047 |
$path = '/etch_doc' if ($a->{etch}); |
1048 |
|
1049 |
if ($a->{id}) { |
1050 |
croak "id must be numberm not '$a->{id}'" unless ($a->{id} =~ m/^\d+$/); |
1051 |
$arg = 'id=' . $a->{id}; |
1052 |
} elsif ($a->{uri}) { |
1053 |
$arg = 'uri=' . uri_escape($a->{uri}); |
1054 |
} else { |
1055 |
confess "unhandled argument. Need id or uri."; |
1056 |
} |
1057 |
|
1058 |
if ($a->{attr}) { |
1059 |
$path = '/get_doc_attr'; |
1060 |
$arg .= '&attr=' . uri_escape($a->{attr}); |
1061 |
$a->{chomp_resbody} = 1; |
1062 |
} |
1063 |
|
1064 |
my $rv = $self->shuttle_url( $self->{url} . $path, |
1065 |
'application/x-www-form-urlencoded', |
1066 |
$arg, |
1067 |
\$resbody, |
1068 |
); |
1069 |
|
1070 |
return if ($rv != 200); |
1071 |
|
1072 |
if ($a->{etch}) { |
1073 |
$self->{kwords} = {}; |
1074 |
return +{} unless ($resbody); |
1075 |
foreach my $l (split(/\n/, $resbody)) { |
1076 |
my ($k,$v) = split(/\t/, $l, 2); |
1077 |
$self->{kwords}->{$k} = $v if ($v); |
1078 |
} |
1079 |
return $self->{kwords}; |
1080 |
} elsif ($a->{chomp_resbody}) { |
1081 |
return unless (defined($resbody)); |
1082 |
chomp($resbody); |
1083 |
return $resbody; |
1084 |
} else { |
1085 |
return new Search::Estraier::Document($resbody); |
1086 |
} |
1087 |
} |
1088 |
|
1089 |
|
1090 |
=head2 name |
1091 |
|
1092 |
my $node_name = $node->name; |
1093 |
|
1094 |
=cut |
1095 |
|
1096 |
sub name { |
1097 |
my $self = shift; |
1098 |
$self->_set_info unless ($self->{name}); |
1099 |
return $self->{name}; |
1100 |
} |
1101 |
|
1102 |
|
1103 |
=head2 label |
1104 |
|
1105 |
my $node_label = $node->label; |
1106 |
|
1107 |
=cut |
1108 |
|
1109 |
sub label { |
1110 |
my $self = shift; |
1111 |
$self->_set_info unless ($self->{label}); |
1112 |
return $self->{label}; |
1113 |
} |
1114 |
|
1115 |
|
1116 |
=head2 doc_num |
1117 |
|
1118 |
my $documents_in_node = $node->doc_num; |
1119 |
|
1120 |
=cut |
1121 |
|
1122 |
sub doc_num { |
1123 |
my $self = shift; |
1124 |
$self->_set_info if ($self->{dnum} < 0); |
1125 |
return $self->{dnum}; |
1126 |
} |
1127 |
|
1128 |
|
1129 |
=head2 word_num |
1130 |
|
1131 |
my $words_in_node = $node->word_num; |
1132 |
|
1133 |
=cut |
1134 |
|
1135 |
sub word_num { |
1136 |
my $self = shift; |
1137 |
$self->_set_info if ($self->{wnum} < 0); |
1138 |
return $self->{wnum}; |
1139 |
} |
1140 |
|
1141 |
|
1142 |
=head2 size |
1143 |
|
1144 |
my $node_size = $node->size; |
1145 |
|
1146 |
=cut |
1147 |
|
1148 |
sub size { |
1149 |
my $self = shift; |
1150 |
$self->_set_info if ($self->{size} < 0); |
1151 |
return $self->{size}; |
1152 |
} |
1153 |
|
1154 |
|
1155 |
=head2 search |
1156 |
|
1157 |
Search documents which match condition |
1158 |
|
1159 |
my $nres = $node->search( $cond, $depth ); |
1160 |
|
1161 |
C<$cond> is C<Search::Estraier::Condition> object, while <$depth> specifies |
1162 |
depth for meta search. |
1163 |
|
1164 |
Function results C<Search::Estraier::NodeResult> object. |
1165 |
|
1166 |
=cut |
1167 |
|
1168 |
sub search { |
1169 |
my $self = shift; |
1170 |
my ($cond, $depth) = @_; |
1171 |
return unless ($cond && defined($depth) && $self->{url}); |
1172 |
croak "cond mush be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1173 |
croak "depth needs number, not '$depth'" unless ($depth =~ m/^\d+$/); |
1174 |
|
1175 |
my $resbody; |
1176 |
|
1177 |
my $rv = $self->shuttle_url( $self->{url} . '/search', |
1178 |
'application/x-www-form-urlencoded', |
1179 |
$self->cond_to_query( $cond ), |
1180 |
\$resbody, |
1181 |
); |
1182 |
return if ($rv != 200); |
1183 |
|
1184 |
my (@docs, $hints); |
1185 |
|
1186 |
my @lines = split(/\n/, $resbody); |
1187 |
return unless (@lines); |
1188 |
|
1189 |
my $border = $lines[0]; |
1190 |
my $isend = 0; |
1191 |
my $lnum = 1; |
1192 |
|
1193 |
while ( $lnum <= $#lines ) { |
1194 |
my $line = $lines[$lnum]; |
1195 |
$lnum++; |
1196 |
|
1197 |
#warn "## $line\n"; |
1198 |
if ($line && $line =~ m/^\Q$border\E(:END)*$/) { |
1199 |
$isend = $1; |
1200 |
last; |
1201 |
} |
1202 |
|
1203 |
if ($line =~ /\t/) { |
1204 |
my ($k,$v) = split(/\t/, $line, 2); |
1205 |
$hints->{$k} = $v; |
1206 |
} |
1207 |
} |
1208 |
|
1209 |
my $snum = $lnum; |
1210 |
|
1211 |
while( ! $isend && $lnum <= $#lines ) { |
1212 |
my $line = $lines[$lnum]; |
1213 |
#warn "# $lnum: $line\n"; |
1214 |
$lnum++; |
1215 |
|
1216 |
if ($line && $line =~ m/^\Q$border\E/) { |
1217 |
if ($lnum > $snum) { |
1218 |
my $rdattrs; |
1219 |
my $rdvector; |
1220 |
my $rdsnippet; |
1221 |
|
1222 |
my $rlnum = $snum; |
1223 |
while ($rlnum < $lnum - 1 ) { |
1224 |
#my $rdline = $self->_s($lines[$rlnum]); |
1225 |
my $rdline = $lines[$rlnum]; |
1226 |
$rlnum++; |
1227 |
last unless ($rdline); |
1228 |
if ($rdline =~ /^%/) { |
1229 |
$rdvector = $1 if ($rdline =~ /^%VECTOR\t(.+)$/); |
1230 |
} elsif($rdline =~ /=/) { |
1231 |
$rdattrs->{$1} = $2 if ($rdline =~ /^(.+)=(.+)$/); |
1232 |
} else { |
1233 |
confess "invalid format of response"; |
1234 |
} |
1235 |
} |
1236 |
while($rlnum < $lnum - 1) { |
1237 |
my $rdline = $lines[$rlnum]; |
1238 |
$rlnum++; |
1239 |
$rdsnippet .= "$rdline\n"; |
1240 |
} |
1241 |
#warn Dumper($rdvector, $rdattrs, $rdsnippet); |
1242 |
if (my $rduri = $rdattrs->{'@uri'}) { |
1243 |
push @docs, new Search::Estraier::ResultDocument( |
1244 |
uri => $rduri, |
1245 |
attrs => $rdattrs, |
1246 |
snippet => $rdsnippet, |
1247 |
keywords => $rdvector, |
1248 |
); |
1249 |
} |
1250 |
} |
1251 |
$snum = $lnum; |
1252 |
#warn "### $line\n"; |
1253 |
$isend = 1 if ($line =~ /:END$/); |
1254 |
} |
1255 |
|
1256 |
} |
1257 |
|
1258 |
if (! $isend) { |
1259 |
warn "received result doesn't have :END\n$resbody"; |
1260 |
return; |
1261 |
} |
1262 |
|
1263 |
#warn Dumper(\@docs, $hints); |
1264 |
|
1265 |
return new Search::Estraier::NodeResult( docs => \@docs, hints => $hints ); |
1266 |
} |
1267 |
|
1268 |
|
1269 |
=head2 cond_to_query |
1270 |
|
1271 |
Return URI encoded string generated from Search::Estraier::Condition |
1272 |
|
1273 |
my $args = $node->cond_to_query( $cond ); |
1274 |
|
1275 |
=cut |
1276 |
|
1277 |
sub cond_to_query { |
1278 |
my $self = shift; |
1279 |
|
1280 |
my $cond = shift || return; |
1281 |
croak "condition must be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1282 |
|
1283 |
my @args; |
1284 |
|
1285 |
if (my $phrase = $cond->phrase) { |
1286 |
push @args, 'phrase=' . uri_escape($phrase); |
1287 |
} |
1288 |
|
1289 |
if (my @attrs = $cond->attrs) { |
1290 |
for my $i ( 0 .. $#attrs ) { |
1291 |
push @args,'attr' . ($i+1) . '=' . uri_escape( $attrs[$i] ); |
1292 |
} |
1293 |
} |
1294 |
|
1295 |
if (my $order = $cond->order) { |
1296 |
push @args, 'order=' . uri_escape($order); |
1297 |
} |
1298 |
|
1299 |
if (my $max = $cond->max) { |
1300 |
push @args, 'max=' . $max; |
1301 |
} else { |
1302 |
push @args, 'max=' . (1 << 30); |
1303 |
} |
1304 |
|
1305 |
if (my $options = $cond->options) { |
1306 |
push @args, 'options=' . $options; |
1307 |
} |
1308 |
|
1309 |
push @args, 'depth=' . $self->{depth} if ($self->{depth}); |
1310 |
push @args, 'wwidth=' . $self->{wwidth}; |
1311 |
push @args, 'hwidth=' . $self->{hwidth}; |
1312 |
push @args, 'awidth=' . $self->{awidth}; |
1313 |
|
1314 |
return join('&', @args); |
1315 |
} |
1316 |
|
1317 |
|
1318 |
=head2 shuttle_url |
1319 |
|
1320 |
This is method which uses C<IO::Socket::INET> to communicate with Hyper Estraier node |
1321 |
master. |
1322 |
|
1323 |
my $rv = shuttle_url( $url, $content_type, $req_body, \$resbody ); |
1324 |
|
1325 |
C<$resheads> and C<$resbody> booleans controll if response headers and/or response |
1326 |
body will be saved within object. |
1327 |
|
1328 |
=cut |
1329 |
|
1330 |
use LWP::UserAgent; |
1331 |
|
1332 |
sub shuttle_url { |
1333 |
my $self = shift; |
1334 |
|
1335 |
my ($url, $content_type, $reqbody, $resbody) = @_; |
1336 |
|
1337 |
$self->{status} = -1; |
1338 |
|
1339 |
warn "## $url\n" if ($self->{debug}); |
1340 |
|
1341 |
$url = new URI($url); |
1342 |
if ( |
1343 |
!$url || !$url->scheme || !$url->scheme eq 'http' || |
1344 |
!$url->host || !$url->port || $url->port < 1 |
1345 |
) { |
1346 |
carp "can't parse $url\n"; |
1347 |
return -1; |
1348 |
} |
1349 |
|
1350 |
my $ua = LWP::UserAgent->new; |
1351 |
$ua->agent( "Search-Estraier/$Search::Estraier::VERSION" ); |
1352 |
|
1353 |
my $req; |
1354 |
if ($reqbody) { |
1355 |
$req = HTTP::Request->new(POST => $url); |
1356 |
} else { |
1357 |
$req = HTTP::Request->new(GET => $url); |
1358 |
} |
1359 |
|
1360 |
$req->headers->header( 'Host' => $url->host . ":" . $url->port ); |
1361 |
$req->headers->header( 'Connection', 'close' ); |
1362 |
$req->headers->header( 'Authorization', 'Basic ' . $self->{auth} ); |
1363 |
$req->content_type( $content_type ); |
1364 |
|
1365 |
warn $req->headers->as_string,"\n" if ($self->{debug}); |
1366 |
|
1367 |
if ($reqbody) { |
1368 |
warn "$reqbody\n" if ($self->{debug}); |
1369 |
$req->content( $reqbody ); |
1370 |
} |
1371 |
|
1372 |
my $res = $ua->request($req) || croak "can't make request to $url: $!"; |
1373 |
|
1374 |
warn "## response status: ",$res->status_line,"\n" if ($self->{debug}); |
1375 |
|
1376 |
return -1 if (! $res->is_success); |
1377 |
|
1378 |
($self->{status}, $self->{status_message}) = split(/\s+/, $res->status_line, 2); |
1379 |
|
1380 |
$$resbody .= $res->content; |
1381 |
|
1382 |
warn "## response body:\n$$resbody\n" if ($resbody && $self->{debug}); |
1383 |
|
1384 |
return $self->{status}; |
1385 |
} |
1386 |
|
1387 |
|
1388 |
=head2 set_snippet_width |
1389 |
|
1390 |
Set width of snippets in results |
1391 |
|
1392 |
$node->set_snippet_width( $wwidth, $hwidth, $awidth ); |
1393 |
|
1394 |
C<$wwidth> specifies whole width of snippet. It's C<480> by default. If it's C<0> snippet |
1395 |
is not sent with results. If it is negative, whole document text is sent instead of snippet. |
1396 |
|
1397 |
C<$hwidth> specified width of strings from beginning of string. Default |
1398 |
value is C<96>. Negative or zero value keep previous value. |
1399 |
|
1400 |
C<$awidth> specifies width of strings around each highlighted word. It's C<96> by default. |
1401 |
If negative of zero value is provided previous value is kept unchanged. |
1402 |
|
1403 |
=cut |
1404 |
|
1405 |
sub set_snippet_width { |
1406 |
my $self = shift; |
1407 |
|
1408 |
my ($wwidth, $hwidth, $awidth) = @_; |
1409 |
$self->{wwidth} = $wwidth; |
1410 |
$self->{hwidth} = $hwidth if ($hwidth >= 0); |
1411 |
$self->{awidth} = $awidth if ($awidth >= 0); |
1412 |
} |
1413 |
|
1414 |
|
1415 |
=head2 set_user |
1416 |
|
1417 |
Manage users of node |
1418 |
|
1419 |
$node->set_user( 'name', $mode ); |
1420 |
|
1421 |
C<$mode> can be one of: |
1422 |
|
1423 |
=over 4 |
1424 |
|
1425 |
=item 0 |
1426 |
|
1427 |
delete account |
1428 |
|
1429 |
=item 1 |
1430 |
|
1431 |
set administrative right for user |
1432 |
|
1433 |
=item 2 |
1434 |
|
1435 |
set user account as guest |
1436 |
|
1437 |
=back |
1438 |
|
1439 |
Return true on success, otherwise false. |
1440 |
|
1441 |
=cut |
1442 |
|
1443 |
sub set_user { |
1444 |
my $self = shift; |
1445 |
my ($name, $mode) = @_; |
1446 |
|
1447 |
return unless ($self->{url}); |
1448 |
croak "mode must be number, not '$mode'" unless ($mode =~ m/^\d+$/); |
1449 |
|
1450 |
$self->shuttle_url( $self->{url} . '/_set_user', |
1451 |
'text/plain', |
1452 |
'name=' . uri_escape($name) . '&mode=' . $mode, |
1453 |
undef |
1454 |
) == 200; |
1455 |
} |
1456 |
|
1457 |
|
1458 |
=head2 set_link |
1459 |
|
1460 |
Manage node links |
1461 |
|
1462 |
$node->set_link('http://localhost:1978/node/another', 'another node label', $credit); |
1463 |
|
1464 |
If C<$credit> is negative, link is removed. |
1465 |
|
1466 |
=cut |
1467 |
|
1468 |
sub set_link { |
1469 |
my $self = shift; |
1470 |
my ($url, $label, $credit) = @_; |
1471 |
|
1472 |
return unless ($self->{url}); |
1473 |
croak "mode credit be number, not '$credit'" unless ($credit =~ m/^\d+$/); |
1474 |
|
1475 |
my $reqbody = 'url=' . uri_escape($url) . '&label=' . uri_escape($label); |
1476 |
$reqbody .= '&credit=' . $credit if ($credit > 0); |
1477 |
|
1478 |
$self->shuttle_url( $self->{url} . '/_set_link', |
1479 |
'text/plain', |
1480 |
$reqbody, |
1481 |
undef |
1482 |
) == 200; |
1483 |
} |
1484 |
|
1485 |
|
1486 |
=head1 PRIVATE METHODS |
1487 |
|
1488 |
You could call those directly, but you don't have to. I hope. |
1489 |
|
1490 |
=head2 _set_info |
1491 |
|
1492 |
Set information for node |
1493 |
|
1494 |
$node->_set_info; |
1495 |
|
1496 |
=cut |
1497 |
|
1498 |
sub _set_info { |
1499 |
my $self = shift; |
1500 |
|
1501 |
$self->{status} = -1; |
1502 |
return unless ($self->{url}); |
1503 |
|
1504 |
my $resbody; |
1505 |
my $rv = $self->shuttle_url( $self->{url} . '/inform', |
1506 |
'text/plain', |
1507 |
undef, |
1508 |
\$resbody, |
1509 |
); |
1510 |
|
1511 |
return if ($rv != 200 || !$resbody); |
1512 |
|
1513 |
# it seems that response can have multiple line endings |
1514 |
$resbody =~ s/[\r\n]+$//; |
1515 |
|
1516 |
( $self->{name}, $self->{label}, $self->{dnum}, $self->{wnum}, $self->{size} ) = |
1517 |
split(/\t/, $resbody, 5); |
1518 |
|
1519 |
} |
1520 |
|
1521 |
### |
1522 |
|
1523 |
=head1 EXPORT |
1524 |
|
1525 |
Nothing. |
1526 |
|
1527 |
=head1 SEE ALSO |
1528 |
|
1529 |
L<http://hyperestraier.sourceforge.net/> |
1530 |
|
1531 |
Hyper Estraier Ruby interface on which this module is based. |
1532 |
|
1533 |
=head1 AUTHOR |
1534 |
|
1535 |
Dobrica Pavlinusic, E<lt>dpavlin@rot13.orgE<gt> |
1536 |
|
1537 |
|
1538 |
=head1 COPYRIGHT AND LICENSE |
1539 |
|
1540 |
Copyright (C) 2005-2006 by Dobrica Pavlinusic |
1541 |
|
1542 |
This library is free software; you can redistribute it and/or modify |
1543 |
it under the GPL v2 or later. |
1544 |
|
1545 |
=cut |
1546 |
|
1547 |
1; |