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use strict; |
use strict; |
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use warnings; |
use warnings; |
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require Exporter; |
our $VERSION = '0.04_1'; |
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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'; |
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use Carp; |
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=head1 NAME |
=head1 NAME |
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=head1 SYNOPSIS |
=head1 SYNOPSIS |
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use Search::Estraier; |
=head2 Simple indexer |
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my $est = new Search::Estraier(); |
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use Search::Estraier; |
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# create and configure node |
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my $node = new Search::Estraier::Node; |
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$node->set_url("http://localhost:1978/node/test"); |
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$node->set_auth("admin","admin"); |
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# create document |
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my $doc = new Search::Estraier::Document; |
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# add attributes |
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$doc->add_attr('@uri', "http://estraier.gov/example.txt"); |
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$doc->add_attr('@title', "Over the Rainbow"); |
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# add body text to document |
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$doc->add_text("Somewhere over the rainbow. Way up high."); |
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$doc->add_text("There's a land that I heard of once in a lullaby."); |
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die "error: ", $node->status,"\n" unless ($node->put_doc($doc)); |
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=head2 Simple searcher |
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use Search::Estraier; |
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# create and configure node |
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my $node = new Search::Estraier::Node; |
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$node->set_url("http://localhost:1978/node/test"); |
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$node->set_auth("admin","admin"); |
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# create condition |
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my $cond = new Search::Estraier::Condition; |
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# set search phrase |
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$cond->set_phrase("rainbow AND lullaby"); |
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my $nres = $node->search($cond, 0); |
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if (defined($nres)) { |
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# for each document in results |
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for my $i ( 0 ... $nres->doc_num - 1 ) { |
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# get result document |
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my $rdoc = $nres->get_doc($i); |
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# display attribte |
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print "URI: ", $rdoc->attr('@uri'),"\n"; |
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print "Title: ", $rdoc->attr('@title'),"\n"; |
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print $rdoc->snippet,"\n"; |
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} |
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} else { |
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die "error: ", $node->status,"\n"; |
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} |
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=head1 DESCRIPTION |
=head1 DESCRIPTION |
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It is implemented as multiple packages which closly resamble Ruby |
It is implemented as multiple packages which closly resamble Ruby |
75 |
implementation. It also includes methods to manage nodes. |
implementation. It also includes methods to manage nodes. |
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There are few examples in C<scripts> directory of this distribution. |
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=cut |
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=head1 Inheritable common methods |
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This methods should really move somewhere else. |
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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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92 |
=cut |
=cut |
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94 |
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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/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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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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122 |
=cut |
=cut |
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124 |
sub new { |
sub new { |
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my $class = shift; |
my $class = shift; |
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my $self = {@_}; |
my $self = {}; |
127 |
bless($self, $class); |
bless($self, $class); |
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$self->{id} = -1; |
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my $draft = shift; |
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if ($draft) { |
134 |
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my $in_text = 0; |
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foreach my $line (split(/\n/, $draft)) { |
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137 |
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if ($in_text) { |
138 |
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if ($line =~ /^\t/) { |
139 |
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push @{ $self->{htexts} }, substr($line, 1); |
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} else { |
141 |
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push @{ $self->{dtexts} }, $line; |
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} |
143 |
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next; |
144 |
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} |
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146 |
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if ($line =~ m/^%VECTOR\t(.+)$/) { |
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my @fields = split(/\t/, $1); |
148 |
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for my $i ( 0 .. ($#fields - 1) ) { |
149 |
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$self->{kwords}->{ $fields[ $i ] } = $fields[ $i + 1 ]; |
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$i++; |
151 |
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} |
152 |
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next; |
153 |
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} elsif ($line =~ m/^%/) { |
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# What is this? comment? |
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#warn "$line\n"; |
156 |
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next; |
157 |
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} elsif ($line =~ m/^$/) { |
158 |
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$in_text = 1; |
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next; |
160 |
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} elsif ($line =~ m/^(.+)=(.*)$/) { |
161 |
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$self->{attrs}->{ $1 } = $2; |
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next; |
163 |
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} |
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warn "draft ignored: '$line'\n"; |
166 |
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} |
167 |
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} |
168 |
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169 |
$self ? return $self : return undef; |
$self ? return $self : return undef; |
170 |
} |
} |
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173 |
=head2 add_attr |
=head2 add_attr |
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Add an attribute. |
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$doc->add_attr( name => 'value' ); |
$doc->add_attr( name => 'value' ); |
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Delete attribute using |
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$doc->add_attr( name => undef ); |
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183 |
=cut |
=cut |
184 |
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185 |
sub add_attr { |
sub add_attr { |
187 |
my $attrs = {@_}; |
my $attrs = {@_}; |
188 |
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189 |
while (my ($name, $value) = each %{ $attrs }) { |
while (my ($name, $value) = each %{ $attrs }) { |
190 |
$name =~ s/\s\s+/ /gs; |
if (! defined($value)) { |
191 |
$value =~ s/\s\s+/ /gs; |
delete( $self->{attrs}->{ $self->_s($name) } ); |
192 |
push @{$self->{$name}}, $value; |
} else { |
193 |
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$self->{attrs}->{ $self->_s($name) } = $self->_s($value); |
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} |
195 |
} |
} |
196 |
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return 1; |
198 |
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} |
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201 |
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=head2 add_text |
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203 |
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Add a sentence of text. |
204 |
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205 |
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$doc->add_text('this is example text to display'); |
206 |
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207 |
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=cut |
208 |
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209 |
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sub add_text { |
210 |
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my $self = shift; |
211 |
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my $text = shift; |
212 |
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return unless defined($text); |
213 |
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214 |
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push @{ $self->{dtexts} }, $self->_s($text); |
215 |
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} |
216 |
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217 |
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218 |
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=head2 add_hidden_text |
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220 |
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Add a hidden sentence. |
221 |
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222 |
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$doc->add_hidden_text('this is example text just for search'); |
223 |
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224 |
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=cut |
225 |
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226 |
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sub add_hidden_text { |
227 |
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my $self = shift; |
228 |
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my $text = shift; |
229 |
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return unless defined($text); |
230 |
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231 |
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push @{ $self->{htexts} }, $self->_s($text); |
232 |
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} |
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235 |
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=head2 id |
236 |
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237 |
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Get the ID number of document. If the object has never been registred, C<-1> is returned. |
238 |
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239 |
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print $doc->id; |
240 |
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241 |
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=cut |
242 |
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243 |
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sub id { |
244 |
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my $self = shift; |
245 |
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return $self->{id}; |
246 |
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} |
247 |
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248 |
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249 |
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=head2 attr_names |
250 |
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251 |
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Returns array with attribute names from document object. |
252 |
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253 |
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my @attrs = $doc->attr_names; |
254 |
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255 |
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=cut |
256 |
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257 |
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sub attr_names { |
258 |
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my $self = shift; |
259 |
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return unless ($self->{attrs}); |
260 |
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#croak "attr_names return array, not scalar" if (! wantarray); |
261 |
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return sort keys %{ $self->{attrs} }; |
262 |
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} |
263 |
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264 |
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265 |
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=head2 attr |
266 |
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267 |
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Returns value of an attribute. |
268 |
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269 |
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my $value = $doc->attr( 'attribute' ); |
270 |
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271 |
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=cut |
272 |
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273 |
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sub attr { |
274 |
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my $self = shift; |
275 |
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my $name = shift; |
276 |
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return unless (defined($name) && $self->{attrs}); |
277 |
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return $self->{attrs}->{ $name }; |
278 |
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} |
279 |
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280 |
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281 |
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=head2 texts |
282 |
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283 |
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Returns array with text sentences. |
284 |
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285 |
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my @texts = $doc->texts; |
286 |
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287 |
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=cut |
288 |
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289 |
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sub texts { |
290 |
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my $self = shift; |
291 |
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#confess "texts return array, not scalar" if (! wantarray); |
292 |
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return @{ $self->{dtexts} } if ($self->{dtexts}); |
293 |
} |
} |
294 |
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295 |
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296 |
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=head2 cat_texts |
297 |
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298 |
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Return whole text as single scalar. |
299 |
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300 |
package Search::Estraier::Master; |
my $text = $doc->cat_texts; |
301 |
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302 |
use Carp; |
=cut |
303 |
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304 |
=head1 Search::Estraier::Master |
sub cat_texts { |
305 |
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my $self = shift; |
306 |
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return join(' ',@{ $self->{dtexts} }) if ($self->{dtexts}); |
307 |
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} |
308 |
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309 |
Controll node master. This requires user with administration priviledges. |
|
310 |
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=head2 dump_draft |
311 |
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312 |
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Dump draft data from document object. |
313 |
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314 |
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print $doc->dump_draft; |
315 |
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316 |
=cut |
=cut |
317 |
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318 |
{ |
sub dump_draft { |
319 |
package RequestAgent; |
my $self = shift; |
320 |
@ISA = qw(LWP::UserAgent); |
my $draft; |
321 |
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322 |
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foreach my $attr_name (sort keys %{ $self->{attrs} }) { |
323 |
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$draft .= $attr_name . '=' . $self->{attrs}->{$attr_name} . "\n"; |
324 |
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} |
325 |
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|
326 |
sub new { |
if ($self->{kwords}) { |
327 |
my $self = LWP::UserAgent::new(@_); |
$draft .= '%%VECTOR'; |
328 |
$self->agent("Search-Estraier/$Search::Estraer::VERSION"); |
while (my ($key, $value) = each %{ $self->{kwords} }) { |
329 |
$self; |
$draft .= "\t$key\t$value"; |
330 |
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} |
331 |
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$draft .= "\n"; |
332 |
} |
} |
333 |
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334 |
sub get_basic_credentials { |
$draft .= "\n"; |
335 |
my($self, $realm, $uri) = @_; |
|
336 |
# return ($user, $password); |
$draft .= join("\n", @{ $self->{dtexts} }) . "\n" if ($self->{dtexts}); |
337 |
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$draft .= "\t" . join("\n\t", @{ $self->{htexts} }) . "\n" if ($self->{htexts}); |
338 |
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339 |
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return $draft; |
340 |
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} |
341 |
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342 |
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343 |
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=head2 delete |
344 |
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|
345 |
|
Empty document object |
346 |
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347 |
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$doc->delete; |
348 |
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349 |
|
This function is addition to original Ruby API, and since it was included in C wrappers it's here as a |
350 |
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convinience. Document objects which go out of scope will be destroyed |
351 |
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automatically. |
352 |
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353 |
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=cut |
354 |
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355 |
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sub delete { |
356 |
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my $self = shift; |
357 |
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358 |
|
foreach my $data (qw/attrs dtexts stexts kwords/) { |
359 |
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delete($self->{$data}); |
360 |
} |
} |
361 |
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362 |
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$self->{id} = -1; |
363 |
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|
364 |
|
return 1; |
365 |
} |
} |
366 |
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|
367 |
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|
368 |
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369 |
|
package Search::Estraier::Condition; |
370 |
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371 |
|
use Carp qw/confess croak/; |
372 |
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|
373 |
|
use Search::Estraier; |
374 |
|
our @ISA = qw/Search::Estraier/; |
375 |
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376 |
|
=head1 Search::Estraier::Condition |
377 |
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|
378 |
=head2 new |
=head2 new |
379 |
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|
380 |
Create new connection to node master. |
my $cond = new Search::HyperEstraier::Condition; |
381 |
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382 |
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=cut |
383 |
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|
384 |
|
sub new { |
385 |
|
my $class = shift; |
386 |
|
my $self = {}; |
387 |
|
bless($self, $class); |
388 |
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|
389 |
|
$self->{max} = -1; |
390 |
|
$self->{options} = 0; |
391 |
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|
392 |
|
$self ? return $self : return undef; |
393 |
|
} |
394 |
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|
395 |
|
|
396 |
|
=head2 set_phrase |
397 |
|
|
398 |
|
$cond->set_phrase('search phrase'); |
399 |
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|
400 |
|
=cut |
401 |
|
|
402 |
|
sub set_phrase { |
403 |
|
my $self = shift; |
404 |
|
$self->{phrase} = $self->_s( shift ); |
405 |
|
} |
406 |
|
|
407 |
|
|
408 |
|
=head2 add_attr |
409 |
|
|
410 |
|
$cond->add_attr('@URI STRINC /~dpavlin/'); |
411 |
|
|
412 |
|
=cut |
413 |
|
|
414 |
|
sub add_attr { |
415 |
|
my $self = shift; |
416 |
|
my $attr = shift || return; |
417 |
|
push @{ $self->{attrs} }, $self->_s( $attr ); |
418 |
|
} |
419 |
|
|
420 |
|
|
421 |
|
=head2 set_order |
422 |
|
|
423 |
|
$cond->set_order('@mdate NUMD'); |
424 |
|
|
425 |
|
=cut |
426 |
|
|
427 |
|
sub set_order { |
428 |
|
my $self = shift; |
429 |
|
$self->{order} = shift; |
430 |
|
} |
431 |
|
|
432 |
|
|
433 |
|
=head2 set_max |
434 |
|
|
435 |
|
$cond->set_max(42); |
436 |
|
|
437 |
|
=cut |
438 |
|
|
439 |
|
sub set_max { |
440 |
|
my $self = shift; |
441 |
|
my $max = shift; |
442 |
|
croak "set_max needs number, not '$max'" unless ($max =~ m/^\d+$/); |
443 |
|
$self->{max} = $max; |
444 |
|
} |
445 |
|
|
446 |
|
|
447 |
|
=head2 set_options |
448 |
|
|
449 |
|
$cond->set_options( SURE => 1 ); |
450 |
|
|
451 |
|
=cut |
452 |
|
|
453 |
|
my $options = { |
454 |
|
# check N-gram keys skipping by three |
455 |
|
SURE => 1 << 0, |
456 |
|
# check N-gram keys skipping by two |
457 |
|
USUAL => 1 << 1, |
458 |
|
# without TF-IDF tuning |
459 |
|
FAST => 1 << 2, |
460 |
|
# with the simplified phrase |
461 |
|
AGITO => 1 << 3, |
462 |
|
# check every N-gram key |
463 |
|
NOIDF => 1 << 4, |
464 |
|
# check N-gram keys skipping by one |
465 |
|
SIMPLE => 1 << 10, |
466 |
|
}; |
467 |
|
|
468 |
|
sub set_options { |
469 |
|
my $self = shift; |
470 |
|
my $option = shift; |
471 |
|
confess "unknown option" unless ($options->{$option}); |
472 |
|
$self->{options} ||= $options->{$option}; |
473 |
|
} |
474 |
|
|
475 |
|
|
476 |
|
=head2 phrase |
477 |
|
|
478 |
|
Return search phrase. |
479 |
|
|
480 |
|
print $cond->phrase; |
481 |
|
|
482 |
my $master = new Search::Estraier::Master( |
=cut |
483 |
url => 'http://localhost:1978', |
|
484 |
user => 'admin', |
sub phrase { |
485 |
passwd => 'admin', |
my $self = shift; |
486 |
|
return $self->{phrase}; |
487 |
|
} |
488 |
|
|
489 |
|
|
490 |
|
=head2 order |
491 |
|
|
492 |
|
Return search result order. |
493 |
|
|
494 |
|
print $cond->order; |
495 |
|
|
496 |
|
=cut |
497 |
|
|
498 |
|
sub order { |
499 |
|
my $self = shift; |
500 |
|
return $self->{order}; |
501 |
|
} |
502 |
|
|
503 |
|
|
504 |
|
=head2 attrs |
505 |
|
|
506 |
|
Return search result attrs. |
507 |
|
|
508 |
|
my @cond_attrs = $cond->attrs; |
509 |
|
|
510 |
|
=cut |
511 |
|
|
512 |
|
sub attrs { |
513 |
|
my $self = shift; |
514 |
|
#croak "attrs return array, not scalar" if (! wantarray); |
515 |
|
return @{ $self->{attrs} } if ($self->{attrs}); |
516 |
|
} |
517 |
|
|
518 |
|
|
519 |
|
=head2 max |
520 |
|
|
521 |
|
Return maximum number of results. |
522 |
|
|
523 |
|
print $cond->max; |
524 |
|
|
525 |
|
C<-1> is returned for unitialized value, C<0> is unlimited. |
526 |
|
|
527 |
|
=cut |
528 |
|
|
529 |
|
sub max { |
530 |
|
my $self = shift; |
531 |
|
return $self->{max}; |
532 |
|
} |
533 |
|
|
534 |
|
|
535 |
|
=head2 options |
536 |
|
|
537 |
|
Return options for this condition. |
538 |
|
|
539 |
|
print $cond->options; |
540 |
|
|
541 |
|
Options are returned in numerical form. |
542 |
|
|
543 |
|
=cut |
544 |
|
|
545 |
|
sub options { |
546 |
|
my $self = shift; |
547 |
|
return $self->{options}; |
548 |
|
} |
549 |
|
|
550 |
|
|
551 |
|
package Search::Estraier::ResultDocument; |
552 |
|
|
553 |
|
use Carp qw/croak/; |
554 |
|
|
555 |
|
#use Search::Estraier; |
556 |
|
#our @ISA = qw/Search::Estraier/; |
557 |
|
|
558 |
|
=head1 Search::Estraier::ResultDocument |
559 |
|
|
560 |
|
=head2 new |
561 |
|
|
562 |
|
my $rdoc = new Search::HyperEstraier::ResultDocument( |
563 |
|
uri => 'http://localhost/document/uri/42', |
564 |
|
attrs => { |
565 |
|
foo => 1, |
566 |
|
bar => 2, |
567 |
|
}, |
568 |
|
snippet => 'this is a text of snippet' |
569 |
|
keywords => 'this\tare\tkeywords' |
570 |
); |
); |
571 |
|
|
572 |
=cut |
=cut |
576 |
my $self = {@_}; |
my $self = {@_}; |
577 |
bless($self, $class); |
bless($self, $class); |
578 |
|
|
579 |
foreach my $p (qw/url user passwd/) { |
croak "missing uri for ResultDocument" unless defined($self->{uri}); |
580 |
croak "need $p" unless ($self->{$p}); |
|
581 |
|
$self ? return $self : return undef; |
582 |
|
} |
583 |
|
|
584 |
|
|
585 |
|
=head2 uri |
586 |
|
|
587 |
|
Return URI of result document |
588 |
|
|
589 |
|
print $rdoc->uri; |
590 |
|
|
591 |
|
=cut |
592 |
|
|
593 |
|
sub uri { |
594 |
|
my $self = shift; |
595 |
|
return $self->{uri}; |
596 |
|
} |
597 |
|
|
598 |
|
|
599 |
|
=head2 attr_names |
600 |
|
|
601 |
|
Returns array with attribute names from result document object. |
602 |
|
|
603 |
|
my @attrs = $rdoc->attr_names; |
604 |
|
|
605 |
|
=cut |
606 |
|
|
607 |
|
sub attr_names { |
608 |
|
my $self = shift; |
609 |
|
croak "attr_names return array, not scalar" if (! wantarray); |
610 |
|
return sort keys %{ $self->{attrs} }; |
611 |
|
} |
612 |
|
|
613 |
|
|
614 |
|
=head2 attr |
615 |
|
|
616 |
|
Returns value of an attribute. |
617 |
|
|
618 |
|
my $value = $rdoc->attr( 'attribute' ); |
619 |
|
|
620 |
|
=cut |
621 |
|
|
622 |
|
sub attr { |
623 |
|
my $self = shift; |
624 |
|
my $name = shift || return; |
625 |
|
return $self->{attrs}->{ $name }; |
626 |
|
} |
627 |
|
|
628 |
|
|
629 |
|
=head2 snippet |
630 |
|
|
631 |
|
Return snippet from result document |
632 |
|
|
633 |
|
print $rdoc->snippet; |
634 |
|
|
635 |
|
=cut |
636 |
|
|
637 |
|
sub snippet { |
638 |
|
my $self = shift; |
639 |
|
return $self->{snippet}; |
640 |
|
} |
641 |
|
|
642 |
|
|
643 |
|
=head2 keywords |
644 |
|
|
645 |
|
Return keywords from result document |
646 |
|
|
647 |
|
print $rdoc->keywords; |
648 |
|
|
649 |
|
=cut |
650 |
|
|
651 |
|
sub keywords { |
652 |
|
my $self = shift; |
653 |
|
return $self->{keywords}; |
654 |
|
} |
655 |
|
|
656 |
|
|
657 |
|
package Search::Estraier::NodeResult; |
658 |
|
|
659 |
|
use Carp qw/croak/; |
660 |
|
|
661 |
|
#use Search::Estraier; |
662 |
|
#our @ISA = qw/Search::Estraier/; |
663 |
|
|
664 |
|
=head1 Search::Estraier::NodeResult |
665 |
|
|
666 |
|
=head2 new |
667 |
|
|
668 |
|
my $res = new Search::HyperEstraier::NodeResult( |
669 |
|
docs => @array_of_rdocs, |
670 |
|
hits => %hash_with_hints, |
671 |
|
); |
672 |
|
|
673 |
|
=cut |
674 |
|
|
675 |
|
sub new { |
676 |
|
my $class = shift; |
677 |
|
my $self = {@_}; |
678 |
|
bless($self, $class); |
679 |
|
|
680 |
|
foreach my $f (qw/docs hints/) { |
681 |
|
croak "missing $f for ResultDocument" unless defined($self->{$f}); |
682 |
|
} |
683 |
|
|
684 |
|
$self ? return $self : return undef; |
685 |
|
} |
686 |
|
|
687 |
|
|
688 |
|
=head2 doc_num |
689 |
|
|
690 |
|
Return number of documents |
691 |
|
|
692 |
|
print $res->doc_num; |
693 |
|
|
694 |
|
=cut |
695 |
|
|
696 |
|
sub doc_num { |
697 |
|
my $self = shift; |
698 |
|
return $#{$self->{docs}} + 1; |
699 |
|
} |
700 |
|
|
701 |
|
|
702 |
|
=head2 get_doc |
703 |
|
|
704 |
|
Return single document |
705 |
|
|
706 |
|
my $doc = $res->get_doc( 42 ); |
707 |
|
|
708 |
|
Returns undef if document doesn't exist. |
709 |
|
|
710 |
|
=cut |
711 |
|
|
712 |
|
sub get_doc { |
713 |
|
my $self = shift; |
714 |
|
my $num = shift; |
715 |
|
croak "expect number as argument, not '$num'" unless ($num =~ m/^\d+$/); |
716 |
|
return undef if ($num < 0 || $num > $self->{docs}); |
717 |
|
return $self->{docs}->[$num]; |
718 |
|
} |
719 |
|
|
720 |
|
|
721 |
|
=head2 hint |
722 |
|
|
723 |
|
Return specific hint from results. |
724 |
|
|
725 |
|
print $rec->hint( 'VERSION' ); |
726 |
|
|
727 |
|
Possible hints are: C<VERSION>, C<NODE>, C<HIT>, C<HINT#n>, C<DOCNUM>, C<WORDNUM>, |
728 |
|
C<TIME>, C<LINK#n>, C<VIEW>. |
729 |
|
|
730 |
|
=cut |
731 |
|
|
732 |
|
sub hint { |
733 |
|
my $self = shift; |
734 |
|
my $key = shift || return; |
735 |
|
return $self->{hints}->{$key}; |
736 |
|
} |
737 |
|
|
738 |
|
=head2 hints |
739 |
|
|
740 |
|
More perlish version of C<hint>. This one returns hash. |
741 |
|
|
742 |
|
my %hints = $rec->hints; |
743 |
|
|
744 |
|
=cut |
745 |
|
|
746 |
|
sub hints { |
747 |
|
my $self = shift; |
748 |
|
return $self->{hints}; |
749 |
|
} |
750 |
|
|
751 |
|
package Search::Estraier::Node; |
752 |
|
|
753 |
|
use Carp qw/carp croak confess/; |
754 |
|
use URI; |
755 |
|
use MIME::Base64; |
756 |
|
use IO::Socket::INET; |
757 |
|
use URI::Escape qw/uri_escape/; |
758 |
|
|
759 |
|
=head1 Search::Estraier::Node |
760 |
|
|
761 |
|
=head2 new |
762 |
|
|
763 |
|
my $node = new Search::HyperEstraier::Node; |
764 |
|
|
765 |
|
or optionally with C<url> as parametar |
766 |
|
|
767 |
|
my $node = new Search::HyperEstraier::Node( 'http://localhost:1978/node/test' ); |
768 |
|
|
769 |
|
or in more verbose form |
770 |
|
|
771 |
|
my $node = new Search::HyperEstraier::Node( |
772 |
|
url => 'http://localhost:1978/node/test', |
773 |
|
debug => 1, |
774 |
|
croak_on_error => 1 |
775 |
|
); |
776 |
|
|
777 |
|
with following arguments: |
778 |
|
|
779 |
|
=over 4 |
780 |
|
|
781 |
|
=item url |
782 |
|
|
783 |
|
URL to node |
784 |
|
|
785 |
|
=item debug |
786 |
|
|
787 |
|
dumps a B<lot> of debugging output |
788 |
|
|
789 |
|
=item croak_on_error |
790 |
|
|
791 |
|
very helpful during development. It will croak on all errors instead of |
792 |
|
silently returning C<-1> (which is convention of Hyper Estraier API in other |
793 |
|
languages). |
794 |
|
|
795 |
|
=back |
796 |
|
|
797 |
|
=cut |
798 |
|
|
799 |
|
sub new { |
800 |
|
my $class = shift; |
801 |
|
my $self = { |
802 |
|
pxport => -1, |
803 |
|
timeout => 0, # this used to be -1 |
804 |
|
dnum => -1, |
805 |
|
wnum => -1, |
806 |
|
size => -1.0, |
807 |
|
wwidth => 480, |
808 |
|
hwidth => 96, |
809 |
|
awidth => 96, |
810 |
|
status => -1, |
811 |
|
}; |
812 |
|
bless($self, $class); |
813 |
|
|
814 |
|
if ($#_ == 0) { |
815 |
|
$self->{url} = shift; |
816 |
|
} else { |
817 |
|
my $args = {@_}; |
818 |
|
|
819 |
|
%$self = ( %$self, @_ ); |
820 |
|
|
821 |
|
warn "## Node debug on\n" if ($self->{debug}); |
822 |
} |
} |
823 |
|
|
824 |
$self ? return $self : return undef; |
$self ? return $self : return undef; |
825 |
} |
} |
826 |
|
|
827 |
|
|
828 |
|
=head2 set_url |
829 |
|
|
830 |
|
Specify URL to node server |
831 |
|
|
832 |
|
$node->set_url('http://localhost:1978'); |
833 |
|
|
834 |
|
=cut |
835 |
|
|
836 |
|
sub set_url { |
837 |
|
my $self = shift; |
838 |
|
$self->{url} = shift; |
839 |
|
} |
840 |
|
|
841 |
|
|
842 |
|
=head2 set_proxy |
843 |
|
|
844 |
|
Specify proxy server to connect to node server |
845 |
|
|
846 |
|
$node->set_proxy('proxy.example.com', 8080); |
847 |
|
|
848 |
|
=cut |
849 |
|
|
850 |
|
sub set_proxy { |
851 |
|
my $self = shift; |
852 |
|
my ($host,$port) = @_; |
853 |
|
croak "proxy port must be number, not '$port'" unless ($port =~ m/^\d+$/); |
854 |
|
$self->{pxhost} = $host; |
855 |
|
$self->{pxport} = $port; |
856 |
|
} |
857 |
|
|
858 |
|
|
859 |
|
=head2 set_timeout |
860 |
|
|
861 |
|
Specify timeout of connection in seconds |
862 |
|
|
863 |
|
$node->set_timeout( 15 ); |
864 |
|
|
865 |
|
=cut |
866 |
|
|
867 |
|
sub set_timeout { |
868 |
|
my $self = shift; |
869 |
|
my $sec = shift; |
870 |
|
croak "timeout must be number, not '$sec'" unless ($sec =~ m/^\d+$/); |
871 |
|
$self->{timeout} = $sec; |
872 |
|
} |
873 |
|
|
874 |
|
|
875 |
|
=head2 set_auth |
876 |
|
|
877 |
|
Specify name and password for authentication to node server. |
878 |
|
|
879 |
|
$node->set_auth('clint','eastwood'); |
880 |
|
|
881 |
|
=cut |
882 |
|
|
883 |
|
sub set_auth { |
884 |
|
my $self = shift; |
885 |
|
my ($login,$passwd) = @_; |
886 |
|
my $basic_auth = encode_base64( "$login:$passwd" ); |
887 |
|
chomp($basic_auth); |
888 |
|
$self->{auth} = $basic_auth; |
889 |
|
} |
890 |
|
|
891 |
|
|
892 |
|
=head2 status |
893 |
|
|
894 |
|
Return status code of last request. |
895 |
|
|
896 |
|
print $node->status; |
897 |
|
|
898 |
|
C<-1> means connection failure. |
899 |
|
|
900 |
|
=cut |
901 |
|
|
902 |
|
sub status { |
903 |
|
my $self = shift; |
904 |
|
return $self->{status}; |
905 |
|
} |
906 |
|
|
907 |
|
|
908 |
|
=head2 put_doc |
909 |
|
|
910 |
|
Add a document |
911 |
|
|
912 |
|
$node->put_doc( $document_draft ) or die "can't add document"; |
913 |
|
|
914 |
|
Return true on success or false on failture. |
915 |
|
|
916 |
|
=cut |
917 |
|
|
918 |
|
sub put_doc { |
919 |
|
my $self = shift; |
920 |
|
my $doc = shift || return; |
921 |
|
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
922 |
|
$self->shuttle_url( $self->{url} . '/put_doc', |
923 |
|
'text/x-estraier-draft', |
924 |
|
$doc->dump_draft, |
925 |
|
undef |
926 |
|
) == 200; |
927 |
|
} |
928 |
|
|
929 |
|
|
930 |
|
=head2 out_doc |
931 |
|
|
932 |
|
Remove a document |
933 |
|
|
934 |
|
$node->out_doc( document_id ) or "can't remove document"; |
935 |
|
|
936 |
|
Return true on success or false on failture. |
937 |
|
|
938 |
|
=cut |
939 |
|
|
940 |
|
sub out_doc { |
941 |
|
my $self = shift; |
942 |
|
my $id = shift || return; |
943 |
|
return unless ($self->{url}); |
944 |
|
croak "id must be number, not '$id'" unless ($id =~ m/^\d+$/); |
945 |
|
$self->shuttle_url( $self->{url} . '/out_doc', |
946 |
|
'application/x-www-form-urlencoded', |
947 |
|
"id=$id", |
948 |
|
undef |
949 |
|
) == 200; |
950 |
|
} |
951 |
|
|
952 |
|
|
953 |
|
=head2 out_doc_by_uri |
954 |
|
|
955 |
|
Remove a registrated document using it's uri |
956 |
|
|
957 |
|
$node->out_doc_by_uri( 'file:///document/uri/42' ) or "can't remove document"; |
958 |
|
|
959 |
|
Return true on success or false on failture. |
960 |
|
|
961 |
|
=cut |
962 |
|
|
963 |
|
sub out_doc_by_uri { |
964 |
|
my $self = shift; |
965 |
|
my $uri = shift || return; |
966 |
|
return unless ($self->{url}); |
967 |
|
$self->shuttle_url( $self->{url} . '/out_doc', |
968 |
|
'application/x-www-form-urlencoded', |
969 |
|
"uri=" . uri_escape($uri), |
970 |
|
undef |
971 |
|
) == 200; |
972 |
|
} |
973 |
|
|
974 |
|
|
975 |
|
=head2 edit_doc |
976 |
|
|
977 |
|
Edit attributes of a document |
978 |
|
|
979 |
|
$node->edit_doc( $document_draft ) or die "can't edit document"; |
980 |
|
|
981 |
|
Return true on success or false on failture. |
982 |
|
|
983 |
|
=cut |
984 |
|
|
985 |
|
sub edit_doc { |
986 |
|
my $self = shift; |
987 |
|
my $doc = shift || return; |
988 |
|
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
989 |
|
$self->shuttle_url( $self->{url} . '/edit_doc', |
990 |
|
'text/x-estraier-draft', |
991 |
|
$doc->dump_draft, |
992 |
|
undef |
993 |
|
) == 200; |
994 |
|
} |
995 |
|
|
996 |
|
|
997 |
|
=head2 get_doc |
998 |
|
|
999 |
|
Retreive document |
1000 |
|
|
1001 |
|
my $doc = $node->get_doc( document_id ) or die "can't get document"; |
1002 |
|
|
1003 |
|
Return true on success or false on failture. |
1004 |
|
|
1005 |
|
=cut |
1006 |
|
|
1007 |
|
sub get_doc { |
1008 |
|
my $self = shift; |
1009 |
|
my $id = shift || return; |
1010 |
|
return $self->_fetch_doc( id => $id ); |
1011 |
|
} |
1012 |
|
|
1013 |
|
|
1014 |
|
=head2 get_doc_by_uri |
1015 |
|
|
1016 |
|
Retreive document |
1017 |
|
|
1018 |
|
my $doc = $node->get_doc_by_uri( 'file:///document/uri/42' ) or die "can't get document"; |
1019 |
|
|
1020 |
|
Return true on success or false on failture. |
1021 |
|
|
1022 |
|
=cut |
1023 |
|
|
1024 |
|
sub get_doc_by_uri { |
1025 |
|
my $self = shift; |
1026 |
|
my $uri = shift || return; |
1027 |
|
return $self->_fetch_doc( uri => $uri ); |
1028 |
|
} |
1029 |
|
|
1030 |
|
|
1031 |
|
=head2 get_doc_attr |
1032 |
|
|
1033 |
|
Retrieve the value of an atribute from object |
1034 |
|
|
1035 |
|
my $val = $node->get_doc_attr( document_id, 'attribute_name' ) or |
1036 |
|
die "can't get document attribute"; |
1037 |
|
|
1038 |
|
=cut |
1039 |
|
|
1040 |
|
sub get_doc_attr { |
1041 |
|
my $self = shift; |
1042 |
|
my ($id,$name) = @_; |
1043 |
|
return unless ($id && $name); |
1044 |
|
return $self->_fetch_doc( id => $id, attr => $name ); |
1045 |
|
} |
1046 |
|
|
1047 |
|
|
1048 |
|
=head2 get_doc_attr_by_uri |
1049 |
|
|
1050 |
|
Retrieve the value of an atribute from object |
1051 |
|
|
1052 |
|
my $val = $node->get_doc_attr_by_uri( document_id, 'attribute_name' ) or |
1053 |
|
die "can't get document attribute"; |
1054 |
|
|
1055 |
|
=cut |
1056 |
|
|
1057 |
|
sub get_doc_attr_by_uri { |
1058 |
|
my $self = shift; |
1059 |
|
my ($uri,$name) = @_; |
1060 |
|
return unless ($uri && $name); |
1061 |
|
return $self->_fetch_doc( uri => $uri, attr => $name ); |
1062 |
|
} |
1063 |
|
|
1064 |
|
|
1065 |
|
=head2 etch_doc |
1066 |
|
|
1067 |
|
Exctract document keywords |
1068 |
|
|
1069 |
|
my $keywords = $node->etch_doc( document_id ) or die "can't etch document"; |
1070 |
|
|
1071 |
|
=cut |
1072 |
|
|
1073 |
|
sub etch_doc { |
1074 |
|
my $self = shift; |
1075 |
|
my $id = shift || return; |
1076 |
|
return $self->_fetch_doc( id => $id, etch => 1 ); |
1077 |
|
} |
1078 |
|
|
1079 |
|
=head2 etch_doc_by_uri |
1080 |
|
|
1081 |
|
Retreive document |
1082 |
|
|
1083 |
|
my $keywords = $node->etch_doc_by_uri( 'file:///document/uri/42' ) or die "can't etch document"; |
1084 |
|
|
1085 |
|
Return true on success or false on failture. |
1086 |
|
|
1087 |
|
=cut |
1088 |
|
|
1089 |
|
sub etch_doc_by_uri { |
1090 |
|
my $self = shift; |
1091 |
|
my $uri = shift || return; |
1092 |
|
return $self->_fetch_doc( uri => $uri, etch => 1 ); |
1093 |
|
} |
1094 |
|
|
1095 |
|
|
1096 |
|
=head2 uri_to_id |
1097 |
|
|
1098 |
|
Get ID of document specified by URI |
1099 |
|
|
1100 |
|
my $id = $node->uri_to_id( 'file:///document/uri/42' ); |
1101 |
|
|
1102 |
|
=cut |
1103 |
|
|
1104 |
|
sub uri_to_id { |
1105 |
|
my $self = shift; |
1106 |
|
my $uri = shift || return; |
1107 |
|
return $self->_fetch_doc( uri => $uri, path => '/uri_to_id', chomp_resbody => 1 ); |
1108 |
|
} |
1109 |
|
|
1110 |
|
|
1111 |
|
=head2 _fetch_doc |
1112 |
|
|
1113 |
|
Private function used for implementing of C<get_doc>, C<get_doc_by_uri>, |
1114 |
|
C<etch_doc>, C<etch_doc_by_uri>. |
1115 |
|
|
1116 |
|
# this will decode received draft into Search::Estraier::Document object |
1117 |
|
my $doc = $node->_fetch_doc( id => 42 ); |
1118 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42' ); |
1119 |
|
|
1120 |
|
# to extract keywords, add etch |
1121 |
|
my $doc = $node->_fetch_doc( id => 42, etch => 1 ); |
1122 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', etch => 1 ); |
1123 |
|
|
1124 |
|
# to get document attrubute add attr |
1125 |
|
my $doc = $node->_fetch_doc( id => 42, attr => '@mdate' ); |
1126 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', attr => '@mdate' ); |
1127 |
|
|
1128 |
|
# more general form which allows implementation of |
1129 |
|
# uri_to_id |
1130 |
|
my $id = $node->_fetch_doc( |
1131 |
|
uri => 'file:///document/uri/42', |
1132 |
|
path => '/uri_to_id', |
1133 |
|
chomp_resbody => 1 |
1134 |
|
); |
1135 |
|
|
1136 |
|
=cut |
1137 |
|
|
1138 |
|
sub _fetch_doc { |
1139 |
|
my $self = shift; |
1140 |
|
my $a = {@_}; |
1141 |
|
return unless ( ($a->{id} || $a->{uri}) && $self->{url} ); |
1142 |
|
|
1143 |
|
my ($arg, $resbody); |
1144 |
|
|
1145 |
|
my $path = $a->{path} || '/get_doc'; |
1146 |
|
$path = '/etch_doc' if ($a->{etch}); |
1147 |
|
|
1148 |
|
if ($a->{id}) { |
1149 |
|
croak "id must be numberm not '$a->{id}'" unless ($a->{id} =~ m/^\d+$/); |
1150 |
|
$arg = 'id=' . $a->{id}; |
1151 |
|
} elsif ($a->{uri}) { |
1152 |
|
$arg = 'uri=' . uri_escape($a->{uri}); |
1153 |
|
} else { |
1154 |
|
confess "unhandled argument. Need id or uri."; |
1155 |
|
} |
1156 |
|
|
1157 |
|
if ($a->{attr}) { |
1158 |
|
$path = '/get_doc_attr'; |
1159 |
|
$arg .= '&attr=' . uri_escape($a->{attr}); |
1160 |
|
$a->{chomp_resbody} = 1; |
1161 |
|
} |
1162 |
|
|
1163 |
|
my $rv = $self->shuttle_url( $self->{url} . $path, |
1164 |
|
'application/x-www-form-urlencoded', |
1165 |
|
$arg, |
1166 |
|
\$resbody, |
1167 |
|
); |
1168 |
|
|
1169 |
|
return if ($rv != 200); |
1170 |
|
|
1171 |
|
if ($a->{etch}) { |
1172 |
|
$self->{kwords} = {}; |
1173 |
|
return +{} unless ($resbody); |
1174 |
|
foreach my $l (split(/\n/, $resbody)) { |
1175 |
|
my ($k,$v) = split(/\t/, $l, 2); |
1176 |
|
$self->{kwords}->{$k} = $v if ($v); |
1177 |
|
} |
1178 |
|
return $self->{kwords}; |
1179 |
|
} elsif ($a->{chomp_resbody}) { |
1180 |
|
return unless (defined($resbody)); |
1181 |
|
chomp($resbody); |
1182 |
|
return $resbody; |
1183 |
|
} else { |
1184 |
|
return new Search::Estraier::Document($resbody); |
1185 |
|
} |
1186 |
|
} |
1187 |
|
|
1188 |
|
|
1189 |
|
=head2 name |
1190 |
|
|
1191 |
|
my $node_name = $node->name; |
1192 |
|
|
1193 |
|
=cut |
1194 |
|
|
1195 |
|
sub name { |
1196 |
|
my $self = shift; |
1197 |
|
$self->_set_info unless ($self->{name}); |
1198 |
|
return $self->{name}; |
1199 |
|
} |
1200 |
|
|
1201 |
|
|
1202 |
|
=head2 label |
1203 |
|
|
1204 |
|
my $node_label = $node->label; |
1205 |
|
|
1206 |
|
=cut |
1207 |
|
|
1208 |
|
sub label { |
1209 |
|
my $self = shift; |
1210 |
|
$self->_set_info unless ($self->{label}); |
1211 |
|
return $self->{label}; |
1212 |
|
} |
1213 |
|
|
1214 |
|
|
1215 |
|
=head2 doc_num |
1216 |
|
|
1217 |
|
my $documents_in_node = $node->doc_num; |
1218 |
|
|
1219 |
|
=cut |
1220 |
|
|
1221 |
|
sub doc_num { |
1222 |
|
my $self = shift; |
1223 |
|
$self->_set_info if ($self->{dnum} < 0); |
1224 |
|
return $self->{dnum}; |
1225 |
|
} |
1226 |
|
|
1227 |
|
|
1228 |
|
=head2 word_num |
1229 |
|
|
1230 |
|
my $words_in_node = $node->word_num; |
1231 |
|
|
1232 |
|
=cut |
1233 |
|
|
1234 |
|
sub word_num { |
1235 |
|
my $self = shift; |
1236 |
|
$self->_set_info if ($self->{wnum} < 0); |
1237 |
|
return $self->{wnum}; |
1238 |
|
} |
1239 |
|
|
1240 |
|
|
1241 |
|
=head2 size |
1242 |
|
|
1243 |
|
my $node_size = $node->size; |
1244 |
|
|
1245 |
|
=cut |
1246 |
|
|
1247 |
|
sub size { |
1248 |
|
my $self = shift; |
1249 |
|
$self->_set_info if ($self->{size} < 0); |
1250 |
|
return $self->{size}; |
1251 |
|
} |
1252 |
|
|
1253 |
|
|
1254 |
|
=head2 search |
1255 |
|
|
1256 |
|
Search documents which match condition |
1257 |
|
|
1258 |
|
my $nres = $node->search( $cond, $depth ); |
1259 |
|
|
1260 |
|
C<$cond> is C<Search::Estraier::Condition> object, while <$depth> specifies |
1261 |
|
depth for meta search. |
1262 |
|
|
1263 |
|
Function results C<Search::Estraier::NodeResult> object. |
1264 |
|
|
1265 |
|
=cut |
1266 |
|
|
1267 |
|
sub search { |
1268 |
|
my $self = shift; |
1269 |
|
my ($cond, $depth) = @_; |
1270 |
|
return unless ($cond && defined($depth) && $self->{url}); |
1271 |
|
croak "cond mush be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1272 |
|
croak "depth needs number, not '$depth'" unless ($depth =~ m/^\d+$/); |
1273 |
|
|
1274 |
|
my $resbody; |
1275 |
|
|
1276 |
|
my $rv = $self->shuttle_url( $self->{url} . '/search', |
1277 |
|
'application/x-www-form-urlencoded', |
1278 |
|
$self->cond_to_query( $cond, $depth ), |
1279 |
|
\$resbody, |
1280 |
|
); |
1281 |
|
return if ($rv != 200); |
1282 |
|
|
1283 |
|
my (@docs, $hints); |
1284 |
|
|
1285 |
|
my @lines = split(/\n/, $resbody); |
1286 |
|
return unless (@lines); |
1287 |
|
|
1288 |
|
my $border = $lines[0]; |
1289 |
|
my $isend = 0; |
1290 |
|
my $lnum = 1; |
1291 |
|
|
1292 |
|
while ( $lnum <= $#lines ) { |
1293 |
|
my $line = $lines[$lnum]; |
1294 |
|
$lnum++; |
1295 |
|
|
1296 |
|
#warn "## $line\n"; |
1297 |
|
if ($line && $line =~ m/^\Q$border\E(:END)*$/) { |
1298 |
|
$isend = $1; |
1299 |
|
last; |
1300 |
|
} |
1301 |
|
|
1302 |
|
if ($line =~ /\t/) { |
1303 |
|
my ($k,$v) = split(/\t/, $line, 2); |
1304 |
|
$hints->{$k} = $v; |
1305 |
|
} |
1306 |
|
} |
1307 |
|
|
1308 |
|
my $snum = $lnum; |
1309 |
|
|
1310 |
|
while( ! $isend && $lnum <= $#lines ) { |
1311 |
|
my $line = $lines[$lnum]; |
1312 |
|
#warn "# $lnum: $line\n"; |
1313 |
|
$lnum++; |
1314 |
|
|
1315 |
|
if ($line && $line =~ m/^\Q$border\E/) { |
1316 |
|
if ($lnum > $snum) { |
1317 |
|
my $rdattrs; |
1318 |
|
my $rdvector; |
1319 |
|
my $rdsnippet; |
1320 |
|
|
1321 |
|
my $rlnum = $snum; |
1322 |
|
while ($rlnum < $lnum - 1 ) { |
1323 |
|
#my $rdline = $self->_s($lines[$rlnum]); |
1324 |
|
my $rdline = $lines[$rlnum]; |
1325 |
|
$rlnum++; |
1326 |
|
last unless ($rdline); |
1327 |
|
if ($rdline =~ /^%/) { |
1328 |
|
$rdvector = $1 if ($rdline =~ /^%VECTOR\t(.+)$/); |
1329 |
|
} elsif($rdline =~ /=/) { |
1330 |
|
$rdattrs->{$1} = $2 if ($rdline =~ /^(.+)=(.+)$/); |
1331 |
|
} else { |
1332 |
|
confess "invalid format of response"; |
1333 |
|
} |
1334 |
|
} |
1335 |
|
while($rlnum < $lnum - 1) { |
1336 |
|
my $rdline = $lines[$rlnum]; |
1337 |
|
$rlnum++; |
1338 |
|
$rdsnippet .= "$rdline\n"; |
1339 |
|
} |
1340 |
|
#warn Dumper($rdvector, $rdattrs, $rdsnippet); |
1341 |
|
if (my $rduri = $rdattrs->{'@uri'}) { |
1342 |
|
push @docs, new Search::Estraier::ResultDocument( |
1343 |
|
uri => $rduri, |
1344 |
|
attrs => $rdattrs, |
1345 |
|
snippet => $rdsnippet, |
1346 |
|
keywords => $rdvector, |
1347 |
|
); |
1348 |
|
} |
1349 |
|
} |
1350 |
|
$snum = $lnum; |
1351 |
|
#warn "### $line\n"; |
1352 |
|
$isend = 1 if ($line =~ /:END$/); |
1353 |
|
} |
1354 |
|
|
1355 |
|
} |
1356 |
|
|
1357 |
|
if (! $isend) { |
1358 |
|
warn "received result doesn't have :END\n$resbody"; |
1359 |
|
return; |
1360 |
|
} |
1361 |
|
|
1362 |
|
#warn Dumper(\@docs, $hints); |
1363 |
|
|
1364 |
|
return new Search::Estraier::NodeResult( docs => \@docs, hints => $hints ); |
1365 |
|
} |
1366 |
|
|
1367 |
|
|
1368 |
|
=head2 cond_to_query |
1369 |
|
|
1370 |
|
Return URI encoded string generated from Search::Estraier::Condition |
1371 |
|
|
1372 |
|
my $args = $node->cond_to_query( $cond, $depth ); |
1373 |
|
|
1374 |
|
=cut |
1375 |
|
|
1376 |
|
sub cond_to_query { |
1377 |
|
my $self = shift; |
1378 |
|
|
1379 |
|
my $cond = shift || return; |
1380 |
|
croak "condition must be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1381 |
|
my $depth = shift; |
1382 |
|
|
1383 |
|
my @args; |
1384 |
|
|
1385 |
|
if (my $phrase = $cond->phrase) { |
1386 |
|
push @args, 'phrase=' . uri_escape($phrase); |
1387 |
|
} |
1388 |
|
|
1389 |
|
if (my @attrs = $cond->attrs) { |
1390 |
|
for my $i ( 0 .. $#attrs ) { |
1391 |
|
push @args,'attr' . ($i+1) . '=' . uri_escape( $attrs[$i] ) if ($attrs[$i]); |
1392 |
|
} |
1393 |
|
} |
1394 |
|
|
1395 |
|
if (my $order = $cond->order) { |
1396 |
|
push @args, 'order=' . uri_escape($order); |
1397 |
|
} |
1398 |
|
|
1399 |
|
if (my $max = $cond->max) { |
1400 |
|
push @args, 'max=' . $max; |
1401 |
|
} else { |
1402 |
|
push @args, 'max=' . (1 << 30); |
1403 |
|
} |
1404 |
|
|
1405 |
|
if (my $options = $cond->options) { |
1406 |
|
push @args, 'options=' . $options; |
1407 |
|
} |
1408 |
|
|
1409 |
|
push @args, 'depth=' . $depth if ($depth); |
1410 |
|
push @args, 'wwidth=' . $self->{wwidth}; |
1411 |
|
push @args, 'hwidth=' . $self->{hwidth}; |
1412 |
|
push @args, 'awidth=' . $self->{awidth}; |
1413 |
|
|
1414 |
|
return join('&', @args); |
1415 |
|
} |
1416 |
|
|
1417 |
|
|
1418 |
|
=head2 shuttle_url |
1419 |
|
|
1420 |
|
This is method which uses C<LWP::UserAgent> to communicate with Hyper Estraier node |
1421 |
|
master. |
1422 |
|
|
1423 |
|
my $rv = shuttle_url( $url, $content_type, $req_body, \$resbody ); |
1424 |
|
|
1425 |
|
C<$resheads> and C<$resbody> booleans controll if response headers and/or response |
1426 |
|
body will be saved within object. |
1427 |
|
|
1428 |
|
=cut |
1429 |
|
|
1430 |
|
use LWP::UserAgent; |
1431 |
|
|
1432 |
|
sub shuttle_url { |
1433 |
|
my $self = shift; |
1434 |
|
|
1435 |
|
my ($url, $content_type, $reqbody, $resbody) = @_; |
1436 |
|
|
1437 |
|
$self->{status} = -1; |
1438 |
|
|
1439 |
|
warn "## $url\n" if ($self->{debug}); |
1440 |
|
|
1441 |
|
$url = new URI($url); |
1442 |
|
if ( |
1443 |
|
!$url || !$url->scheme || !$url->scheme eq 'http' || |
1444 |
|
!$url->host || !$url->port || $url->port < 1 |
1445 |
|
) { |
1446 |
|
carp "can't parse $url\n"; |
1447 |
|
return -1; |
1448 |
|
} |
1449 |
|
|
1450 |
|
my $ua = LWP::UserAgent->new; |
1451 |
|
$ua->agent( "Search-Estraier/$Search::Estraier::VERSION" ); |
1452 |
|
|
1453 |
|
my $req; |
1454 |
|
if ($reqbody) { |
1455 |
|
$req = HTTP::Request->new(POST => $url); |
1456 |
|
} else { |
1457 |
|
$req = HTTP::Request->new(GET => $url); |
1458 |
|
} |
1459 |
|
|
1460 |
|
$req->headers->header( 'Host' => $url->host . ":" . $url->port ); |
1461 |
|
$req->headers->header( 'Connection', 'close' ); |
1462 |
|
$req->headers->header( 'Authorization', 'Basic ' . $self->{auth} ) if ($self->{auth}); |
1463 |
|
$req->content_type( $content_type ); |
1464 |
|
|
1465 |
|
warn $req->headers->as_string,"\n" if ($self->{debug}); |
1466 |
|
|
1467 |
|
if ($reqbody) { |
1468 |
|
warn "$reqbody\n" if ($self->{debug}); |
1469 |
|
$req->content( $reqbody ); |
1470 |
|
} |
1471 |
|
|
1472 |
|
my $res = $ua->request($req) || croak "can't make request to $url: $!"; |
1473 |
|
|
1474 |
|
warn "## response status: ",$res->status_line,"\n" if ($self->{debug}); |
1475 |
|
|
1476 |
|
($self->{status}, $self->{status_message}) = split(/\s+/, $res->status_line, 2); |
1477 |
|
|
1478 |
|
if (! $res->is_success) { |
1479 |
|
if ($self->{croak_on_error}) { |
1480 |
|
croak("can't get $url: ",$res->status_line); |
1481 |
|
} else { |
1482 |
|
return -1; |
1483 |
|
} |
1484 |
|
} |
1485 |
|
|
1486 |
|
$$resbody .= $res->content; |
1487 |
|
|
1488 |
|
warn "## response body:\n$$resbody\n" if ($resbody && $self->{debug}); |
1489 |
|
|
1490 |
|
return $self->{status}; |
1491 |
|
} |
1492 |
|
|
1493 |
|
|
1494 |
|
=head2 set_snippet_width |
1495 |
|
|
1496 |
|
Set width of snippets in results |
1497 |
|
|
1498 |
|
$node->set_snippet_width( $wwidth, $hwidth, $awidth ); |
1499 |
|
|
1500 |
|
C<$wwidth> specifies whole width of snippet. It's C<480> by default. If it's C<0> snippet |
1501 |
|
is not sent with results. If it is negative, whole document text is sent instead of snippet. |
1502 |
|
|
1503 |
|
C<$hwidth> specified width of strings from beginning of string. Default |
1504 |
|
value is C<96>. Negative or zero value keep previous value. |
1505 |
|
|
1506 |
|
C<$awidth> specifies width of strings around each highlighted word. It's C<96> by default. |
1507 |
|
If negative of zero value is provided previous value is kept unchanged. |
1508 |
|
|
1509 |
|
=cut |
1510 |
|
|
1511 |
|
sub set_snippet_width { |
1512 |
|
my $self = shift; |
1513 |
|
|
1514 |
|
my ($wwidth, $hwidth, $awidth) = @_; |
1515 |
|
$self->{wwidth} = $wwidth; |
1516 |
|
$self->{hwidth} = $hwidth if ($hwidth >= 0); |
1517 |
|
$self->{awidth} = $awidth if ($awidth >= 0); |
1518 |
|
} |
1519 |
|
|
1520 |
|
|
1521 |
|
=head2 set_user |
1522 |
|
|
1523 |
|
Manage users of node |
1524 |
|
|
1525 |
|
$node->set_user( 'name', $mode ); |
1526 |
|
|
1527 |
|
C<$mode> can be one of: |
1528 |
|
|
1529 |
|
=over 4 |
1530 |
|
|
1531 |
|
=item 0 |
1532 |
|
|
1533 |
|
delete account |
1534 |
|
|
1535 |
|
=item 1 |
1536 |
|
|
1537 |
|
set administrative right for user |
1538 |
|
|
1539 |
|
=item 2 |
1540 |
|
|
1541 |
|
set user account as guest |
1542 |
|
|
1543 |
|
=back |
1544 |
|
|
1545 |
|
Return true on success, otherwise false. |
1546 |
|
|
1547 |
|
=cut |
1548 |
|
|
1549 |
|
sub set_user { |
1550 |
|
my $self = shift; |
1551 |
|
my ($name, $mode) = @_; |
1552 |
|
|
1553 |
|
return unless ($self->{url}); |
1554 |
|
croak "mode must be number, not '$mode'" unless ($mode =~ m/^\d+$/); |
1555 |
|
|
1556 |
|
$self->shuttle_url( $self->{url} . '/_set_user', |
1557 |
|
'text/plain', |
1558 |
|
'name=' . uri_escape($name) . '&mode=' . $mode, |
1559 |
|
undef |
1560 |
|
) == 200; |
1561 |
|
} |
1562 |
|
|
1563 |
|
|
1564 |
|
=head2 set_link |
1565 |
|
|
1566 |
|
Manage node links |
1567 |
|
|
1568 |
|
$node->set_link('http://localhost:1978/node/another', 'another node label', $credit); |
1569 |
|
|
1570 |
|
If C<$credit> is negative, link is removed. |
1571 |
|
|
1572 |
|
=cut |
1573 |
|
|
1574 |
|
sub set_link { |
1575 |
|
my $self = shift; |
1576 |
|
my ($url, $label, $credit) = @_; |
1577 |
|
|
1578 |
|
return unless ($self->{url}); |
1579 |
|
croak "mode credit be number, not '$credit'" unless ($credit =~ m/^\d+$/); |
1580 |
|
|
1581 |
|
my $reqbody = 'url=' . uri_escape($url) . '&label=' . uri_escape($label); |
1582 |
|
$reqbody .= '&credit=' . $credit if ($credit > 0); |
1583 |
|
|
1584 |
|
$self->shuttle_url( $self->{url} . '/_set_link', |
1585 |
|
'application/x-www-form-urlencoded', |
1586 |
|
$reqbody, |
1587 |
|
undef |
1588 |
|
) == 200; |
1589 |
|
} |
1590 |
|
|
1591 |
|
|
1592 |
|
=head1 PRIVATE METHODS |
1593 |
|
|
1594 |
|
You could call those directly, but you don't have to. I hope. |
1595 |
|
|
1596 |
|
=head2 _set_info |
1597 |
|
|
1598 |
|
Set information for node |
1599 |
|
|
1600 |
|
$node->_set_info; |
1601 |
|
|
1602 |
|
=cut |
1603 |
|
|
1604 |
|
sub _set_info { |
1605 |
|
my $self = shift; |
1606 |
|
|
1607 |
|
$self->{status} = -1; |
1608 |
|
return unless ($self->{url}); |
1609 |
|
|
1610 |
|
my $resbody; |
1611 |
|
my $rv = $self->shuttle_url( $self->{url} . '/inform', |
1612 |
|
'text/plain', |
1613 |
|
undef, |
1614 |
|
\$resbody, |
1615 |
|
); |
1616 |
|
|
1617 |
|
return if ($rv != 200 || !$resbody); |
1618 |
|
|
1619 |
|
# it seems that response can have multiple line endings |
1620 |
|
$resbody =~ s/[\r\n]+$//; |
1621 |
|
|
1622 |
|
( $self->{name}, $self->{label}, $self->{dnum}, $self->{wnum}, $self->{size} ) = |
1623 |
|
split(/\t/, $resbody, 5); |
1624 |
|
|
1625 |
|
} |
1626 |
|
|
1627 |
### |
### |
1628 |
|
|
1643 |
|
|
1644 |
=head1 COPYRIGHT AND LICENSE |
=head1 COPYRIGHT AND LICENSE |
1645 |
|
|
1646 |
Copyright (C) 2005 by Dobrica Pavlinusic |
Copyright (C) 2005-2006 by Dobrica Pavlinusic |
1647 |
|
|
1648 |
This library is free software; you can redistribute it and/or modify |
This library is free software; you can redistribute it and/or modify |
1649 |
it under the GPL v2 or later. |
it under the GPL v2 or later. |