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use strict; |
use strict; |
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use warnings; |
use warnings; |
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require Exporter; |
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our @ISA = qw(Exporter); |
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our %EXPORT_TAGS = ( 'all' => [ qw( |
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) ] ); |
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our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } ); |
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our @EXPORT = qw( |
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); |
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our $VERSION = '0.00'; |
our $VERSION = '0.00'; |
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use Carp; |
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=head1 NAME |
=head1 NAME |
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Search::Estraier - pure perl module to use Hyper Estraier search engine |
Search::Estraier - pure perl module to use Hyper Estraier search engine |
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=cut |
=cut |
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=head2 _s |
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Remove multiple whitespaces from string, as well as whitespaces at beginning or end |
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my $text = $self->_s(" this is a text "); |
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$text = 'this is a text'; |
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=cut |
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sub _s { |
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my $text = $_[1] || return; |
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$text =~ s/\s\s+/ /gs; |
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$text =~ s/^\s+//; |
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$text =~ s/\s+$//; |
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return $text; |
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} |
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package Search::Estraier::Document; |
package Search::Estraier::Document; |
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use Carp qw/confess/; |
use Carp qw/croak confess/; |
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use Search::Estraier; |
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our @ISA = qw/Search::Estraier/; |
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=head1 Search::Estraier::Document |
=head1 Search::Estraier::Document |
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56 |
Document for HyperEstraier |
This class implements Document which is collection of attributes |
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(key=value), vectors (also key value) display text and hidden text. |
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=head2 new |
=head2 new |
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Create new document, empty or from draft. |
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my $doc = new Search::HyperEstraier::Document; |
my $doc = new Search::HyperEstraier::Document; |
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my $doc2 = new Search::HyperEstraier::Document( $draft ); |
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=cut |
=cut |
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sub new { |
sub new { |
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my $class = shift; |
my $class = shift; |
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my $self = {@_}; |
my $self = {}; |
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bless($self, $class); |
bless($self, $class); |
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$self->{id} = -1; |
$self->{id} = -1; |
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my $draft = shift; |
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77 |
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if ($draft) { |
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my $in_text = 0; |
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foreach my $line (split(/\n/, $draft)) { |
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81 |
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if ($in_text) { |
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if ($line =~ /^\t/) { |
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push @{ $self->{htexts} }, substr($line, 1); |
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} else { |
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push @{ $self->{dtexts} }, $line; |
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} |
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next; |
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} |
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if ($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; |
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} elsif ($line =~ m/^%/) { |
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# What is this? comment? |
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#warn "$line\n"; |
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next; |
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} elsif ($line =~ m/^$/) { |
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$in_text = 1; |
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next; |
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} elsif ($line =~ m/^(.+)=(.+)$/) { |
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$self->{attrs}->{ $1 } = $2; |
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next; |
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} |
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warn "draft ignored: $line\n"; |
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} |
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} |
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$self ? return $self : return undef; |
$self ? return $self : return undef; |
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} |
} |
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$doc->add_attr( name => 'value' ); |
$doc->add_attr( name => 'value' ); |
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B<FIXME>: delete attribute using |
Delete attribute using |
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$doc->add_attr( name => undef ); |
$doc->add_attr( name => undef ); |
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my $attrs = {@_}; |
my $attrs = {@_}; |
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while (my ($name, $value) = each %{ $attrs }) { |
while (my ($name, $value) = each %{ $attrs }) { |
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$self->{attrs}->{_s($name)} = _s($value); |
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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return 1; |
return 1; |
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my $text = shift; |
my $text = shift; |
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return unless defined($text); |
return unless defined($text); |
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push @{ $self->{dtexts} }, _s($text); |
push @{ $self->{dtexts} }, $self->_s($text); |
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} |
} |
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my $text = shift; |
my $text = shift; |
173 |
return unless defined($text); |
return unless defined($text); |
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push @{ $self->{htexts} }, _s($text); |
push @{ $self->{htexts} }, $self->_s($text); |
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} |
} |
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=head2 id |
=head2 id |
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=head2 attr_names |
=head2 attr_names |
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Get a list of attribute names of a document object. |
Returns array with attribute names from document object. |
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my @attrs = $doc->attr_names; |
my @attrs = $doc->attr_names; |
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sub attr_names { |
sub attr_names { |
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my $self = shift; |
my $self = shift; |
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confess "attr_names return array, not scalar" if (! wantarray); |
croak "attr_names return array, not scalar" if (! wantarray); |
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return sort keys %{ $self->{attrs} }; |
return sort keys %{ $self->{attrs} }; |
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} |
} |
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=head2 attr |
=head2 attr |
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Get the value of an attribute. |
Returns value of an attribute. |
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my $value = $doc->attr( 'attribute' ); |
my $value = $doc->attr( 'attribute' ); |
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return $self->{'attrs'}->{ $name }; |
return $self->{'attrs'}->{ $name }; |
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} |
} |
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=head2 texts |
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Returns array with text sentences. |
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my @texts = $doc->texts; |
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=cut |
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sub texts { |
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my $self = shift; |
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confess "texts return array, not scalar" if (! wantarray); |
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return @{ $self->{dtexts} }; |
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} |
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=head2 cat_texts |
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Return whole text as single scalar. |
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my $text = $doc->cat_texts; |
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=cut |
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sub cat_texts { |
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my $self = shift; |
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return join(' ',@{ $self->{dtexts} }); |
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} |
248 |
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=head2 dump_draft |
=head2 dump_draft |
250 |
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Dump draft data from document object. |
252 |
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print $doc->dump_draft; |
print $doc->dump_draft; |
254 |
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255 |
=cut |
=cut |
256 |
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257 |
sub dump_draft { |
sub dump_draft { |
258 |
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my $self = shift; |
259 |
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my $draft; |
260 |
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261 |
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foreach my $attr_name (sort keys %{ $self->{attrs} }) { |
262 |
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$draft .= $attr_name . '=' . $self->{attrs}->{$attr_name} . "\n"; |
263 |
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} |
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265 |
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if ($self->{kwords}) { |
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$draft .= '%%VECTOR'; |
267 |
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while (my ($key, $value) = each %{ $self->{kwords} }) { |
268 |
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$draft .= "\t$key\t$value"; |
269 |
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} |
270 |
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$draft .= "\n"; |
271 |
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} |
272 |
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$draft .= "\n"; |
274 |
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275 |
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$draft .= join("\n", @{ $self->{dtexts} }) . "\n"; |
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$draft .= "\t" . join("\n\t", @{ $self->{htexts} }) . "\n"; |
277 |
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return $draft; |
279 |
} |
} |
280 |
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281 |
=head2 delete |
=head2 delete |
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285 |
$doc->delete; |
$doc->delete; |
286 |
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287 |
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This function is addition to original Ruby API, and since it was included in C wrappers it's here as a |
288 |
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convinience. Document objects which go out of scope will be destroyed |
289 |
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automatically. |
290 |
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291 |
=cut |
=cut |
292 |
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293 |
sub delete { |
sub delete { |
294 |
my $self = shift; |
my $self = shift; |
295 |
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296 |
foreach my $data (qw/attrs dtexts stexts/) { |
foreach my $data (qw/attrs dtexts stexts kwords/) { |
297 |
delete($self->{$data}); |
delete($self->{$data}); |
298 |
} |
} |
299 |
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300 |
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$self->{id} = -1; |
301 |
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302 |
return 1; |
return 1; |
303 |
} |
} |
304 |
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305 |
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=head2 _s |
|
306 |
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|
307 |
Remove multiple whitespaces from string, as well as whitespaces at beginning or end |
package Search::Estraier::Condition; |
308 |
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309 |
my $text = _s(" this is a text "); |
use Carp qw/confess croak/; |
310 |
$text = 'this is a text'; |
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311 |
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use Search::Estraier; |
312 |
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our @ISA = qw/Search::Estraier/; |
313 |
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314 |
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=head1 Search::Estraier::Condition |
315 |
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316 |
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=head2 new |
317 |
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318 |
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my $cond = new Search::HyperEstraier::Condition; |
319 |
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320 |
=cut |
=cut |
321 |
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322 |
sub _s { |
sub new { |
323 |
my $text = shift || return; |
my $class = shift; |
324 |
$text =~ s/\s\s+/ /gs; |
my $self = {}; |
325 |
$text =~ s/^\s+//; |
bless($self, $class); |
326 |
$text =~ s/\s+$//; |
|
327 |
return $text; |
$self->{max} = -1; |
328 |
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$self->{options} = 0; |
329 |
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330 |
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$self ? return $self : return undef; |
331 |
} |
} |
332 |
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333 |
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=head2 set_phrase |
334 |
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335 |
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$cond->set_phrase('search phrase'); |
336 |
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337 |
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=cut |
338 |
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339 |
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sub set_phrase { |
340 |
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my $self = shift; |
341 |
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$self->{phrase} = $self->_s( shift ); |
342 |
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} |
343 |
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344 |
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=head2 add_attr |
345 |
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346 |
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$cond->add_attr('@URI STRINC /~dpavlin/'); |
347 |
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348 |
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=cut |
349 |
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350 |
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sub add_attr { |
351 |
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my $self = shift; |
352 |
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my $attr = shift || return; |
353 |
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push @{ $self->{attrs} }, $self->_s( $attr ); |
354 |
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} |
355 |
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356 |
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=head2 set_order |
357 |
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358 |
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$cond->set_order('@mdate NUMD'); |
359 |
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360 |
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=cut |
361 |
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362 |
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sub set_order { |
363 |
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my $self = shift; |
364 |
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$self->{order} = shift; |
365 |
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} |
366 |
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367 |
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=head2 set_max |
368 |
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369 |
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$cond->set_max(42); |
370 |
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371 |
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=cut |
372 |
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373 |
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sub set_max { |
374 |
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my $self = shift; |
375 |
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my $max = shift; |
376 |
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croak "set_max needs number" unless ($max =~ m/^\d+$/); |
377 |
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$self->{max} = $max; |
378 |
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} |
379 |
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|
380 |
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=head2 set_options |
381 |
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382 |
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$cond->set_options( SURE => 1 ); |
383 |
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384 |
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=cut |
385 |
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386 |
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my $options = { |
387 |
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# check N-gram keys skipping by three |
388 |
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SURE => 1 << 0, |
389 |
|
# check N-gram keys skipping by two |
390 |
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USUAL => 1 << 1, |
391 |
|
# without TF-IDF tuning |
392 |
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FAST => 1 << 2, |
393 |
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# with the simplified phrase |
394 |
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AGITO => 1 << 3, |
395 |
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# check every N-gram key |
396 |
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NOIDF => 1 << 4, |
397 |
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# check N-gram keys skipping by one |
398 |
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SIMPLE => 1 << 10, |
399 |
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}; |
400 |
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|
401 |
|
sub set_options { |
402 |
|
my $self = shift; |
403 |
|
my $option = shift; |
404 |
|
confess "unknown option" unless ($options->{$option}); |
405 |
|
$self->{options} ||= $options->{$option}; |
406 |
|
} |
407 |
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|
408 |
|
=head2 phrase |
409 |
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|
410 |
|
Return search phrase. |
411 |
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412 |
|
print $cond->phrase; |
413 |
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414 |
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=cut |
415 |
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416 |
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sub phrase { |
417 |
|
my $self = shift; |
418 |
|
return $self->{phrase}; |
419 |
|
} |
420 |
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|
421 |
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=head2 order |
422 |
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|
423 |
|
Return search result order. |
424 |
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|
425 |
|
print $cond->order; |
426 |
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427 |
|
=cut |
428 |
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|
429 |
|
sub order { |
430 |
|
my $self = shift; |
431 |
|
return $self->{order}; |
432 |
|
} |
433 |
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|
434 |
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=head2 attrs |
435 |
|
|
436 |
|
Return search result attrs. |
437 |
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|
438 |
|
my @cond_attrs = $cond->attrs; |
439 |
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|
440 |
|
=cut |
441 |
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|
442 |
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sub attrs { |
443 |
|
my $self = shift; |
444 |
|
#croak "attrs return array, not scalar" if (! wantarray); |
445 |
|
return @{ $self->{attrs} }; |
446 |
|
} |
447 |
|
|
448 |
|
=head2 max |
449 |
|
|
450 |
|
Return maximum number of results. |
451 |
|
|
452 |
|
print $cond->max; |
453 |
|
|
454 |
|
C<-1> is returned for unitialized value, C<0> is unlimited. |
455 |
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|
456 |
|
=cut |
457 |
|
|
458 |
|
sub max { |
459 |
|
my $self = shift; |
460 |
|
return $self->{max}; |
461 |
|
} |
462 |
|
|
463 |
|
=head2 options |
464 |
|
|
465 |
|
Return options for this condition. |
466 |
|
|
467 |
|
print $cond->options; |
468 |
|
|
469 |
|
Options are returned in numerical form. |
470 |
|
|
471 |
|
=cut |
472 |
|
|
473 |
|
sub options { |
474 |
|
my $self = shift; |
475 |
|
return $self->{options}; |
476 |
|
} |
477 |
|
|
478 |
|
|
479 |
|
package Search::Estraier::ResultDocument; |
480 |
|
|
481 |
|
use Carp qw/croak/; |
482 |
|
|
483 |
|
#use Search::Estraier; |
484 |
|
#our @ISA = qw/Search::Estraier/; |
485 |
|
|
486 |
|
=head1 Search::Estraier::ResultDocument |
487 |
|
|
488 |
|
=head2 new |
489 |
|
|
490 |
|
my $rdoc = new Search::HyperEstraier::ResultDocument( |
491 |
|
uri => 'http://localhost/document/uri/42', |
492 |
|
attrs => { |
493 |
|
foo => 1, |
494 |
|
bar => 2, |
495 |
|
}, |
496 |
|
snippet => 'this is a text of snippet' |
497 |
|
keywords => 'this\tare\tkeywords' |
498 |
|
); |
499 |
|
|
500 |
|
=cut |
501 |
|
|
502 |
|
sub new { |
503 |
|
my $class = shift; |
504 |
|
my $self = {@_}; |
505 |
|
bless($self, $class); |
506 |
|
|
507 |
|
foreach my $f (qw/uri attrs snippet keywords/) { |
508 |
|
croak "missing $f for ResultDocument" unless defined($self->{$f}); |
509 |
|
} |
510 |
|
|
511 |
|
$self ? return $self : return undef; |
512 |
|
} |
513 |
|
|
514 |
|
=head2 uri |
515 |
|
|
516 |
|
Return URI of result document |
517 |
|
|
518 |
|
print $rdoc->uri; |
519 |
|
|
520 |
|
=cut |
521 |
|
|
522 |
|
sub uri { |
523 |
|
my $self = shift; |
524 |
|
return $self->{uri}; |
525 |
|
} |
526 |
|
|
527 |
|
|
528 |
|
=head2 attr_names |
529 |
|
|
530 |
|
Returns array with attribute names from result document object. |
531 |
|
|
532 |
|
my @attrs = $rdoc->attr_names; |
533 |
|
|
534 |
|
=cut |
535 |
|
|
536 |
|
sub attr_names { |
537 |
|
my $self = shift; |
538 |
|
croak "attr_names return array, not scalar" if (! wantarray); |
539 |
|
return sort keys %{ $self->{attrs} }; |
540 |
|
} |
541 |
|
|
542 |
|
=head2 attr |
543 |
|
|
544 |
|
Returns value of an attribute. |
545 |
|
|
546 |
|
my $value = $rdoc->attr( 'attribute' ); |
547 |
|
|
548 |
|
=cut |
549 |
|
|
550 |
|
sub attr { |
551 |
|
my $self = shift; |
552 |
|
my $name = shift || return; |
553 |
|
return $self->{attrs}->{ $name }; |
554 |
|
} |
555 |
|
|
556 |
|
=head2 snippet |
557 |
|
|
558 |
|
Return snippet from result document |
559 |
|
|
560 |
|
print $rdoc->snippet; |
561 |
|
|
562 |
|
=cut |
563 |
|
|
564 |
|
sub snippet { |
565 |
|
my $self = shift; |
566 |
|
return $self->{snippet}; |
567 |
|
} |
568 |
|
|
569 |
|
=head2 keywords |
570 |
|
|
571 |
|
Return keywords from result document |
572 |
|
|
573 |
|
print $rdoc->keywords; |
574 |
|
|
575 |
|
=cut |
576 |
|
|
577 |
|
sub keywords { |
578 |
|
my $self = shift; |
579 |
|
return $self->{keywords}; |
580 |
|
} |
581 |
|
|
582 |
|
|
583 |
|
package Search::Estraier::NodeResult; |
584 |
|
|
585 |
|
use Carp qw/croak/; |
586 |
|
|
587 |
|
#use Search::Estraier; |
588 |
|
#our @ISA = qw/Search::Estraier/; |
589 |
|
|
590 |
|
=head1 Search::Estraier::NodeResult |
591 |
|
|
592 |
|
=head2 new |
593 |
|
|
594 |
|
my $res = new Search::HyperEstraier::NodeResult( |
595 |
|
docs => @array_of_rdocs, |
596 |
|
hits => %hash_with_hints, |
597 |
|
); |
598 |
|
|
599 |
|
=cut |
600 |
|
|
601 |
|
sub new { |
602 |
|
my $class = shift; |
603 |
|
my $self = {@_}; |
604 |
|
bless($self, $class); |
605 |
|
|
606 |
|
foreach my $f (qw/docs hints/) { |
607 |
|
croak "missing $f for ResultDocument" unless defined($self->{$f}); |
608 |
|
} |
609 |
|
|
610 |
|
$self ? return $self : return undef; |
611 |
|
} |
612 |
|
|
613 |
|
=head2 doc_num |
614 |
|
|
615 |
|
Return number of documents |
616 |
|
|
617 |
|
print $res->doc_num; |
618 |
|
|
619 |
|
=cut |
620 |
|
|
621 |
|
sub doc_num { |
622 |
|
my $self = shift; |
623 |
|
return $#{$self->{docs}}; |
624 |
|
} |
625 |
|
|
626 |
|
=head2 get_doc |
627 |
|
|
628 |
|
Return single document |
629 |
|
|
630 |
|
my $doc = $res->get_doc( 42 ); |
631 |
|
|
632 |
|
Returns undef if document doesn't exist. |
633 |
|
|
634 |
|
=cut |
635 |
|
|
636 |
|
sub get_doc { |
637 |
|
my $self = shift; |
638 |
|
my $num = shift; |
639 |
|
croak "expect number as argument" unless ($num =~ m/^\d+$/); |
640 |
|
return undef if ($num < 0 || $num > $self->{docs}); |
641 |
|
return $self->{docs}->[$num]; |
642 |
|
} |
643 |
|
|
644 |
|
=head2 hint |
645 |
|
|
646 |
|
Return specific hint from results. |
647 |
|
|
648 |
|
print $rec->hint( 'VERSION' ); |
649 |
|
|
650 |
|
Possible hints are: C<VERSION>, C<NODE>, C<HIT>, C<HINT#n>, C<DOCNUM>, C<WORDNUM>, |
651 |
|
C<TIME>, C<LINK#n>, C<VIEW>. |
652 |
|
|
653 |
|
=cut |
654 |
|
|
655 |
|
sub hint { |
656 |
|
my $self = shift; |
657 |
|
my $key = shift || return; |
658 |
|
return $self->{hints}->{$key}; |
659 |
|
} |
660 |
|
|
661 |
|
|
662 |
|
package Search::Estraier::Node; |
663 |
|
|
664 |
|
use Carp qw/croak/; |
665 |
|
|
666 |
|
=head1 Search::Estraier::Node |
667 |
|
|
668 |
|
=head2 new |
669 |
|
|
670 |
|
my $node = new Search::HyperEstraier::Node; |
671 |
|
|
672 |
|
=cut |
673 |
|
|
674 |
|
sub new { |
675 |
|
my $class = shift; |
676 |
|
my $self = { |
677 |
|
pxport => -1, |
678 |
|
timeout => -1, |
679 |
|
dnum => -1, |
680 |
|
wnum => -1, |
681 |
|
size => -1.0, |
682 |
|
wwidth => 480, |
683 |
|
hwidth => 96, |
684 |
|
awidth => 96, |
685 |
|
status => -1, |
686 |
|
}; |
687 |
|
bless($self, $class); |
688 |
|
|
689 |
|
$self ? return $self : return undef; |
690 |
|
} |
691 |
|
|
692 |
|
=head2 set_url |
693 |
|
|
694 |
|
Specify URL to node server |
695 |
|
|
696 |
|
$node->set_url('http://localhost:1978'); |
697 |
|
|
698 |
|
=cut |
699 |
|
|
700 |
|
sub set_url { |
701 |
|
my $self = shift; |
702 |
|
$self->{url} = shift; |
703 |
|
} |
704 |
|
|
705 |
|
=head2 set_proxy |
706 |
|
|
707 |
|
Specify proxy server to connect to node server |
708 |
|
|
709 |
|
$node->set_proxy('proxy.example.com', 8080); |
710 |
|
|
711 |
|
=cut |
712 |
|
|
713 |
|
sub set_proxy { |
714 |
|
my $self = shift; |
715 |
|
my ($host,$port) = @_; |
716 |
|
croak "proxy port must be number" unless ($port =~ m/^\d+$/); |
717 |
|
$self->{pxhost} = $host; |
718 |
|
$self->{pxport} = $port; |
719 |
|
} |
720 |
|
|
721 |
|
=head2 set_timeout |
722 |
|
|
723 |
|
Specify timeout of connection in seconds |
724 |
|
|
725 |
|
$node->set_timeout( 15 ); |
726 |
|
|
727 |
|
=cut |
728 |
|
|
729 |
|
sub set_timeout { |
730 |
|
my $self = shift; |
731 |
|
my $sec = shift; |
732 |
|
croak "timeout must be number" unless ($sec =~ m/^\d+$/); |
733 |
|
$self->{timeout} = $sec; |
734 |
|
} |
735 |
|
|
736 |
|
=head2 set_auth |
737 |
|
|
738 |
|
Specify name and password for authentication to node server. |
739 |
|
|
740 |
|
$node->set_auth('clint','eastwood'); |
741 |
|
|
742 |
|
=cut |
743 |
|
|
744 |
|
sub set_auth { |
745 |
|
my $self = shift; |
746 |
|
my ($login,$passwd) = @_; |
747 |
|
$self->{auth} = "$login:$passwd"; |
748 |
|
} |
749 |
|
|
750 |
package Search::Estraier::Master; |
package Search::Estraier::Master; |
751 |
|
|
759 |
|
|
760 |
{ |
{ |
761 |
package RequestAgent; |
package RequestAgent; |
762 |
@ISA = qw(LWP::UserAgent); |
our @ISA = qw(LWP::UserAgent); |
763 |
|
|
764 |
sub new { |
sub new { |
765 |
my $self = LWP::UserAgent::new(@_); |
my $self = LWP::UserAgent::new(@_); |
820 |
|
|
821 |
=head1 COPYRIGHT AND LICENSE |
=head1 COPYRIGHT AND LICENSE |
822 |
|
|
823 |
Copyright (C) 2005 by Dobrica Pavlinusic |
Copyright (C) 2005-2006 by Dobrica Pavlinusic |
824 |
|
|
825 |
This library is free software; you can redistribute it and/or modify |
This library is free software; you can redistribute it and/or modify |
826 |
it under the GPL v2 or later. |
it under the GPL v2 or later. |