4 |
use strict; |
use strict; |
5 |
use warnings; |
use warnings; |
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7 |
require Exporter; |
our $VERSION = '0.07_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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13 |
=head1 SYNOPSIS |
=head1 SYNOPSIS |
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use Search::Estraier; |
=head2 Simple indexer |
16 |
my $est = new Search::Estraier(); |
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use Search::Estraier; |
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19 |
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# create and configure node |
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my $node = new Search::Estraier::Node( |
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url => 'http://localhost:1978/node/test', |
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user => 'admin', |
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passwd => 'admin', |
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create => 1, |
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label => 'Label for node', |
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croak_on_error => 1, |
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); |
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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 (eval { $node->put_doc($doc) }); |
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=head2 Simple searcher |
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44 |
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use Search::Estraier; |
45 |
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46 |
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# create and configure node |
47 |
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my $node = new Search::Estraier::Node( |
48 |
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url => 'http://localhost:1978/node/test', |
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user => 'admin', |
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passwd => 'admin', |
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croak_on_error => 1, |
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); |
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54 |
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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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62 |
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if (defined($nres)) { |
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print "Got ", $nres->hits, " results\n"; |
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65 |
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# for each document in results |
66 |
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for my $i ( 0 ... $nres->doc_num - 1 ) { |
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# get result document |
68 |
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my $rdoc = $nres->get_doc($i); |
69 |
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# display attribte |
70 |
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print "URI: ", $rdoc->attr('@uri'),"\n"; |
71 |
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print "Title: ", $rdoc->attr('@title'),"\n"; |
72 |
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print $rdoc->snippet,"\n"; |
73 |
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} |
74 |
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} else { |
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die "error: ", $node->status,"\n"; |
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} |
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78 |
=head1 DESCRIPTION |
=head1 DESCRIPTION |
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85 |
It is implemented as multiple packages which closly resamble Ruby |
It is implemented as multiple packages which closly resamble Ruby |
86 |
implementation. It also includes methods to manage nodes. |
implementation. It also includes methods to manage nodes. |
87 |
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88 |
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There are few examples in C<scripts> directory of this distribution. |
89 |
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90 |
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=cut |
91 |
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92 |
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=head1 Inheritable common methods |
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94 |
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This methods should really move somewhere else. |
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96 |
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=head2 _s |
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98 |
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Remove multiple whitespaces from string, as well as whitespaces at beginning or end |
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100 |
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my $text = $self->_s(" this is a text "); |
101 |
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$text = 'this is a text'; |
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103 |
=cut |
=cut |
104 |
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105 |
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sub _s { |
106 |
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my $text = $_[1]; |
107 |
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return unless defined($text); |
108 |
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$text =~ s/\s\s+/ /gs; |
109 |
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$text =~ s/^\s+//; |
110 |
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$text =~ s/\s+$//; |
111 |
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return $text; |
112 |
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} |
113 |
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114 |
package Search::Estraier::Document; |
package Search::Estraier::Document; |
115 |
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116 |
use Carp qw/confess/; |
use Carp qw/croak confess/; |
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118 |
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use Search::Estraier; |
119 |
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our @ISA = qw/Search::Estraier/; |
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121 |
=head1 Search::Estraier::Document |
=head1 Search::Estraier::Document |
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123 |
Document for HyperEstraier |
This class implements Document which is collection of attributes |
124 |
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(key=value), vectors (also key value) display text and hidden text. |
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126 |
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127 |
=head2 new |
=head2 new |
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129 |
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Create new document, empty or from draft. |
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131 |
my $doc = new Search::HyperEstraier::Document; |
my $doc = new Search::HyperEstraier::Document; |
132 |
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my $doc2 = new Search::HyperEstraier::Document( $draft ); |
133 |
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134 |
=cut |
=cut |
135 |
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136 |
sub new { |
sub new { |
137 |
my $class = shift; |
my $class = shift; |
138 |
my $self = {@_}; |
my $self = {}; |
139 |
bless($self, $class); |
bless($self, $class); |
140 |
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141 |
$self->{id} = -1; |
$self->{id} = -1; |
142 |
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143 |
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my $draft = shift; |
144 |
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145 |
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if ($draft) { |
146 |
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my $in_text = 0; |
147 |
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foreach my $line (split(/\n/, $draft)) { |
148 |
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149 |
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if ($in_text) { |
150 |
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if ($line =~ /^\t/) { |
151 |
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push @{ $self->{htexts} }, substr($line, 1); |
152 |
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} else { |
153 |
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push @{ $self->{dtexts} }, $line; |
154 |
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} |
155 |
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next; |
156 |
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} |
157 |
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158 |
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if ($line =~ m/^%VECTOR\t(.+)$/) { |
159 |
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my @fields = split(/\t/, $1); |
160 |
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for my $i ( 0 .. ($#fields - 1) ) { |
161 |
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$self->{kwords}->{ $fields[ $i ] } = $fields[ $i + 1 ]; |
162 |
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$i++; |
163 |
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} |
164 |
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next; |
165 |
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} elsif ($line =~ m/^%/) { |
166 |
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# What is this? comment? |
167 |
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#warn "$line\n"; |
168 |
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next; |
169 |
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} elsif ($line =~ m/^$/) { |
170 |
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$in_text = 1; |
171 |
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next; |
172 |
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} elsif ($line =~ m/^(.+)=(.*)$/) { |
173 |
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$self->{attrs}->{ $1 } = $2; |
174 |
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next; |
175 |
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} |
176 |
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177 |
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warn "draft ignored: '$line'\n"; |
178 |
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} |
179 |
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} |
180 |
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181 |
$self ? return $self : return undef; |
$self ? return $self : return undef; |
182 |
} |
} |
183 |
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188 |
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189 |
$doc->add_attr( name => 'value' ); |
$doc->add_attr( name => 'value' ); |
190 |
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191 |
B<FIXME>: delete attribute using |
Delete attribute using |
192 |
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193 |
$doc->add_attr( name => undef ); |
$doc->add_attr( name => undef ); |
194 |
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199 |
my $attrs = {@_}; |
my $attrs = {@_}; |
200 |
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201 |
while (my ($name, $value) = each %{ $attrs }) { |
while (my ($name, $value) = each %{ $attrs }) { |
202 |
$self->{attrs}->{_s($name)} = _s($value); |
if (! defined($value)) { |
203 |
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delete( $self->{attrs}->{ $self->_s($name) } ); |
204 |
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} else { |
205 |
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$self->{attrs}->{ $self->_s($name) } = $self->_s($value); |
206 |
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} |
207 |
} |
} |
208 |
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209 |
return 1; |
return 1; |
223 |
my $text = shift; |
my $text = shift; |
224 |
return unless defined($text); |
return unless defined($text); |
225 |
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226 |
push @{ $self->{dtexts} }, _s($text); |
push @{ $self->{dtexts} }, $self->_s($text); |
227 |
} |
} |
228 |
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229 |
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240 |
my $text = shift; |
my $text = shift; |
241 |
return unless defined($text); |
return unless defined($text); |
242 |
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243 |
push @{ $self->{htexts} }, _s($text); |
push @{ $self->{htexts} }, $self->_s($text); |
244 |
} |
} |
245 |
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246 |
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247 |
=head2 id |
=head2 id |
248 |
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249 |
Get the ID number of document. If the object has never been registred, C<-1> is returned. |
Get the ID number of document. If the object has never been registred, C<-1> is returned. |
257 |
return $self->{id}; |
return $self->{id}; |
258 |
} |
} |
259 |
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260 |
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261 |
=head2 attr_names |
=head2 attr_names |
262 |
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263 |
Get a list of attribute names of a document object. |
Returns array with attribute names from document object. |
264 |
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265 |
my @attrs = $doc->attr_names; |
my @attrs = $doc->attr_names; |
266 |
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268 |
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269 |
sub attr_names { |
sub attr_names { |
270 |
my $self = shift; |
my $self = shift; |
271 |
confess "attr_names return array, not scalar" if (! wantarray); |
return unless ($self->{attrs}); |
272 |
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#croak "attr_names return array, not scalar" if (! wantarray); |
273 |
return sort keys %{ $self->{attrs} }; |
return sort keys %{ $self->{attrs} }; |
274 |
} |
} |
275 |
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276 |
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277 |
=head2 attr |
=head2 attr |
278 |
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279 |
Get the value of an attribute. |
Returns value of an attribute. |
280 |
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281 |
my $value = $doc->attr( 'attribute' ); |
my $value = $doc->attr( 'attribute' ); |
282 |
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285 |
sub attr { |
sub attr { |
286 |
my $self = shift; |
my $self = shift; |
287 |
my $name = shift; |
my $name = shift; |
288 |
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return unless (defined($name) && $self->{attrs}); |
289 |
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return $self->{attrs}->{ $name }; |
290 |
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} |
291 |
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292 |
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293 |
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=head2 texts |
294 |
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295 |
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Returns array with text sentences. |
296 |
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297 |
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my @texts = $doc->texts; |
298 |
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299 |
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=cut |
300 |
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301 |
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sub texts { |
302 |
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my $self = shift; |
303 |
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#confess "texts return array, not scalar" if (! wantarray); |
304 |
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return @{ $self->{dtexts} } if ($self->{dtexts}); |
305 |
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} |
306 |
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307 |
return $self->{'attrs'}->{ $name }; |
|
308 |
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=head2 cat_texts |
309 |
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|
310 |
|
Return whole text as single scalar. |
311 |
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312 |
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my $text = $doc->cat_texts; |
313 |
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314 |
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=cut |
315 |
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|
316 |
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sub cat_texts { |
317 |
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my $self = shift; |
318 |
|
return join(' ',@{ $self->{dtexts} }) if ($self->{dtexts}); |
319 |
} |
} |
320 |
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|
321 |
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|
322 |
=head2 dump_draft |
=head2 dump_draft |
323 |
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|
324 |
|
Dump draft data from document object. |
325 |
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|
326 |
print $doc->dump_draft; |
print $doc->dump_draft; |
327 |
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|
328 |
=cut |
=cut |
329 |
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|
330 |
sub dump_draft { |
sub dump_draft { |
331 |
|
my $self = shift; |
332 |
|
my $draft; |
333 |
|
|
334 |
|
foreach my $attr_name (sort keys %{ $self->{attrs} }) { |
335 |
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next unless defined(my $v = $self->{attrs}->{$attr_name}); |
336 |
|
$draft .= $attr_name . '=' . $v . "\n"; |
337 |
|
} |
338 |
|
|
339 |
|
if ($self->{kwords}) { |
340 |
|
$draft .= '%%VECTOR'; |
341 |
|
while (my ($key, $value) = each %{ $self->{kwords} }) { |
342 |
|
$draft .= "\t$key\t$value"; |
343 |
|
} |
344 |
|
$draft .= "\n"; |
345 |
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} |
346 |
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|
347 |
|
$draft .= "\n"; |
348 |
|
|
349 |
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$draft .= join("\n", @{ $self->{dtexts} }) . "\n" if ($self->{dtexts}); |
350 |
|
$draft .= "\t" . join("\n\t", @{ $self->{htexts} }) . "\n" if ($self->{htexts}); |
351 |
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|
352 |
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return $draft; |
353 |
} |
} |
354 |
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|
355 |
|
|
356 |
=head2 delete |
=head2 delete |
357 |
|
|
358 |
Empty document object |
Empty document object |
359 |
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|
360 |
$doc->delete; |
$doc->delete; |
361 |
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|
362 |
|
This function is addition to original Ruby API, and since it was included in C wrappers it's here as a |
363 |
|
convinience. Document objects which go out of scope will be destroyed |
364 |
|
automatically. |
365 |
|
|
366 |
=cut |
=cut |
367 |
|
|
368 |
sub delete { |
sub delete { |
369 |
my $self = shift; |
my $self = shift; |
370 |
|
|
371 |
foreach my $data (qw/attrs dtexts stexts/) { |
foreach my $data (qw/attrs dtexts stexts kwords/) { |
372 |
delete($self->{$data}); |
delete($self->{$data}); |
373 |
} |
} |
374 |
|
|
375 |
|
$self->{id} = -1; |
376 |
|
|
377 |
return 1; |
return 1; |
378 |
} |
} |
379 |
|
|
380 |
|
|
|
=head2 _s |
|
381 |
|
|
382 |
Remove multiple whitespaces from string, as well as whitespaces at beginning or end |
package Search::Estraier::Condition; |
383 |
|
|
384 |
my $text = _s(" this is a text "); |
use Carp qw/carp confess croak/; |
385 |
$text = 'this is a text'; |
|
386 |
|
use Search::Estraier; |
387 |
|
our @ISA = qw/Search::Estraier/; |
388 |
|
|
389 |
|
=head1 Search::Estraier::Condition |
390 |
|
|
391 |
|
=head2 new |
392 |
|
|
393 |
|
my $cond = new Search::HyperEstraier::Condition; |
394 |
|
|
395 |
=cut |
=cut |
396 |
|
|
397 |
sub _s { |
sub new { |
398 |
my $text = shift || return; |
my $class = shift; |
399 |
$text =~ s/\s\s+/ /gs; |
my $self = {}; |
400 |
$text =~ s/^\s+//; |
bless($self, $class); |
401 |
$text =~ s/\s+$//; |
|
402 |
return $text; |
$self->{max} = -1; |
403 |
|
$self->{options} = 0; |
404 |
|
|
405 |
|
$self ? return $self : return undef; |
406 |
|
} |
407 |
|
|
408 |
|
|
409 |
|
=head2 set_phrase |
410 |
|
|
411 |
|
$cond->set_phrase('search phrase'); |
412 |
|
|
413 |
|
=cut |
414 |
|
|
415 |
|
sub set_phrase { |
416 |
|
my $self = shift; |
417 |
|
$self->{phrase} = $self->_s( shift ); |
418 |
} |
} |
419 |
|
|
420 |
|
|
421 |
|
=head2 add_attr |
422 |
|
|
423 |
|
$cond->add_attr('@URI STRINC /~dpavlin/'); |
424 |
|
|
425 |
|
=cut |
426 |
|
|
427 |
|
sub add_attr { |
428 |
|
my $self = shift; |
429 |
|
my $attr = shift || return; |
430 |
|
push @{ $self->{attrs} }, $self->_s( $attr ); |
431 |
|
} |
432 |
|
|
433 |
|
|
434 |
|
=head2 set_order |
435 |
|
|
436 |
|
$cond->set_order('@mdate NUMD'); |
437 |
|
|
438 |
|
=cut |
439 |
|
|
440 |
|
sub set_order { |
441 |
|
my $self = shift; |
442 |
|
$self->{order} = shift; |
443 |
|
} |
444 |
|
|
445 |
|
|
446 |
|
=head2 set_max |
447 |
|
|
448 |
|
$cond->set_max(42); |
449 |
|
|
450 |
|
=cut |
451 |
|
|
452 |
|
sub set_max { |
453 |
|
my $self = shift; |
454 |
|
my $max = shift; |
455 |
|
croak "set_max needs number, not '$max'" unless ($max =~ m/^\d+$/); |
456 |
|
$self->{max} = $max; |
457 |
|
} |
458 |
|
|
|
package Search::Estraier::Master; |
|
459 |
|
|
460 |
use Carp; |
=head2 set_options |
461 |
|
|
462 |
=head1 Search::Estraier::Master |
$cond->set_options( 'SURE' ); |
463 |
|
|
464 |
Controll node master. This requires user with administration priviledges. |
$cond->set_options( qw/AGITO NOIDF SIMPLE/ ); |
465 |
|
|
466 |
|
Possible options are: |
467 |
|
|
468 |
|
=over 8 |
469 |
|
|
470 |
|
=item SURE |
471 |
|
|
472 |
|
check every N-gram |
473 |
|
|
474 |
|
=item USUAL |
475 |
|
|
476 |
|
check every second N-gram |
477 |
|
|
478 |
|
=item FAST |
479 |
|
|
480 |
|
check every third N-gram |
481 |
|
|
482 |
|
=item AGITO |
483 |
|
|
484 |
|
check every fourth N-gram |
485 |
|
|
486 |
|
=item NOIDF |
487 |
|
|
488 |
|
don't perform TF-IDF tuning |
489 |
|
|
490 |
|
=item SIMPLE |
491 |
|
|
492 |
|
use simplified query phrase |
493 |
|
|
494 |
|
=back |
495 |
|
|
496 |
|
Skipping N-grams will speed up search, but reduce accuracy. Every call to C<set_options> will reset previous |
497 |
|
options; |
498 |
|
|
499 |
|
This option changed in version C<0.04> of this module. It's backwards compatibile. |
500 |
|
|
501 |
=cut |
=cut |
502 |
|
|
503 |
{ |
my $options = { |
504 |
package RequestAgent; |
SURE => 1 << 0, |
505 |
@ISA = qw(LWP::UserAgent); |
USUAL => 1 << 1, |
506 |
|
FAST => 1 << 2, |
507 |
|
AGITO => 1 << 3, |
508 |
|
NOIDF => 1 << 4, |
509 |
|
SIMPLE => 1 << 10, |
510 |
|
}; |
511 |
|
|
512 |
sub new { |
sub set_options { |
513 |
my $self = LWP::UserAgent::new(@_); |
my $self = shift; |
514 |
$self->agent("Search-Estraier/$Search::Estraer::VERSION"); |
my $opt = 0; |
515 |
$self; |
foreach my $option (@_) { |
516 |
|
my $mask; |
517 |
|
unless ($mask = $options->{$option}) { |
518 |
|
if ($option eq '1') { |
519 |
|
next; |
520 |
|
} else { |
521 |
|
croak "unknown option $option"; |
522 |
|
} |
523 |
|
} |
524 |
|
$opt += $mask; |
525 |
} |
} |
526 |
|
$self->{options} = $opt; |
527 |
|
} |
528 |
|
|
529 |
|
|
530 |
|
=head2 phrase |
531 |
|
|
532 |
|
Return search phrase. |
533 |
|
|
534 |
|
print $cond->phrase; |
535 |
|
|
536 |
|
=cut |
537 |
|
|
538 |
|
sub phrase { |
539 |
|
my $self = shift; |
540 |
|
return $self->{phrase}; |
541 |
|
} |
542 |
|
|
543 |
|
|
544 |
|
=head2 order |
545 |
|
|
546 |
|
Return search result order. |
547 |
|
|
548 |
|
print $cond->order; |
549 |
|
|
550 |
|
=cut |
551 |
|
|
552 |
|
sub order { |
553 |
|
my $self = shift; |
554 |
|
return $self->{order}; |
555 |
|
} |
556 |
|
|
557 |
|
|
558 |
|
=head2 attrs |
559 |
|
|
560 |
|
Return search result attrs. |
561 |
|
|
562 |
|
my @cond_attrs = $cond->attrs; |
563 |
|
|
564 |
|
=cut |
565 |
|
|
566 |
|
sub attrs { |
567 |
|
my $self = shift; |
568 |
|
#croak "attrs return array, not scalar" if (! wantarray); |
569 |
|
return @{ $self->{attrs} } if ($self->{attrs}); |
570 |
|
} |
571 |
|
|
572 |
|
|
573 |
|
=head2 max |
574 |
|
|
575 |
sub get_basic_credentials { |
Return maximum number of results. |
576 |
my($self, $realm, $uri) = @_; |
|
577 |
# return ($user, $password); |
print $cond->max; |
578 |
|
|
579 |
|
C<-1> is returned for unitialized value, C<0> is unlimited. |
580 |
|
|
581 |
|
=cut |
582 |
|
|
583 |
|
sub max { |
584 |
|
my $self = shift; |
585 |
|
return $self->{max}; |
586 |
|
} |
587 |
|
|
588 |
|
|
589 |
|
=head2 options |
590 |
|
|
591 |
|
Return options for this condition. |
592 |
|
|
593 |
|
print $cond->options; |
594 |
|
|
595 |
|
Options are returned in numerical form. |
596 |
|
|
597 |
|
=cut |
598 |
|
|
599 |
|
sub options { |
600 |
|
my $self = shift; |
601 |
|
return $self->{options}; |
602 |
|
} |
603 |
|
|
604 |
|
|
605 |
|
=head2 set_skip |
606 |
|
|
607 |
|
Set number of skipped documents from beginning of results |
608 |
|
|
609 |
|
$cond->set_skip(42); |
610 |
|
|
611 |
|
Similar to C<offset> in RDBMS. |
612 |
|
|
613 |
|
=cut |
614 |
|
|
615 |
|
sub set_skip { |
616 |
|
my $self = shift; |
617 |
|
$self->{skip} = shift; |
618 |
|
} |
619 |
|
|
620 |
|
=head2 skip |
621 |
|
|
622 |
|
Return skip for this condition. |
623 |
|
|
624 |
|
print $cond->skip; |
625 |
|
|
626 |
|
=cut |
627 |
|
|
628 |
|
sub skip { |
629 |
|
my $self = shift; |
630 |
|
return $self->{skip}; |
631 |
|
} |
632 |
|
|
633 |
|
|
634 |
|
package Search::Estraier::ResultDocument; |
635 |
|
|
636 |
|
use Carp qw/croak/; |
637 |
|
|
638 |
|
#use Search::Estraier; |
639 |
|
#our @ISA = qw/Search::Estraier/; |
640 |
|
|
641 |
|
=head1 Search::Estraier::ResultDocument |
642 |
|
|
643 |
|
=head2 new |
644 |
|
|
645 |
|
my $rdoc = new Search::HyperEstraier::ResultDocument( |
646 |
|
uri => 'http://localhost/document/uri/42', |
647 |
|
attrs => { |
648 |
|
foo => 1, |
649 |
|
bar => 2, |
650 |
|
}, |
651 |
|
snippet => 'this is a text of snippet' |
652 |
|
keywords => 'this\tare\tkeywords' |
653 |
|
); |
654 |
|
|
655 |
|
=cut |
656 |
|
|
657 |
|
sub new { |
658 |
|
my $class = shift; |
659 |
|
my $self = {@_}; |
660 |
|
bless($self, $class); |
661 |
|
|
662 |
|
croak "missing uri for ResultDocument" unless defined($self->{uri}); |
663 |
|
|
664 |
|
$self ? return $self : return undef; |
665 |
|
} |
666 |
|
|
667 |
|
|
668 |
|
=head2 uri |
669 |
|
|
670 |
|
Return URI of result document |
671 |
|
|
672 |
|
print $rdoc->uri; |
673 |
|
|
674 |
|
=cut |
675 |
|
|
676 |
|
sub uri { |
677 |
|
my $self = shift; |
678 |
|
return $self->{uri}; |
679 |
|
} |
680 |
|
|
681 |
|
|
682 |
|
=head2 attr_names |
683 |
|
|
684 |
|
Returns array with attribute names from result document object. |
685 |
|
|
686 |
|
my @attrs = $rdoc->attr_names; |
687 |
|
|
688 |
|
=cut |
689 |
|
|
690 |
|
sub attr_names { |
691 |
|
my $self = shift; |
692 |
|
croak "attr_names return array, not scalar" if (! wantarray); |
693 |
|
return sort keys %{ $self->{attrs} }; |
694 |
|
} |
695 |
|
|
696 |
|
|
697 |
|
=head2 attr |
698 |
|
|
699 |
|
Returns value of an attribute. |
700 |
|
|
701 |
|
my $value = $rdoc->attr( 'attribute' ); |
702 |
|
|
703 |
|
=cut |
704 |
|
|
705 |
|
sub attr { |
706 |
|
my $self = shift; |
707 |
|
my $name = shift || return; |
708 |
|
return $self->{attrs}->{ $name }; |
709 |
|
} |
710 |
|
|
711 |
|
|
712 |
|
=head2 snippet |
713 |
|
|
714 |
|
Return snippet from result document |
715 |
|
|
716 |
|
print $rdoc->snippet; |
717 |
|
|
718 |
|
=cut |
719 |
|
|
720 |
|
sub snippet { |
721 |
|
my $self = shift; |
722 |
|
return $self->{snippet}; |
723 |
|
} |
724 |
|
|
725 |
|
|
726 |
|
=head2 keywords |
727 |
|
|
728 |
|
Return keywords from result document |
729 |
|
|
730 |
|
print $rdoc->keywords; |
731 |
|
|
732 |
|
=cut |
733 |
|
|
734 |
|
sub keywords { |
735 |
|
my $self = shift; |
736 |
|
return $self->{keywords}; |
737 |
|
} |
738 |
|
|
739 |
|
|
740 |
|
package Search::Estraier::NodeResult; |
741 |
|
|
742 |
|
use Carp qw/croak/; |
743 |
|
|
744 |
|
#use Search::Estraier; |
745 |
|
#our @ISA = qw/Search::Estraier/; |
746 |
|
|
747 |
|
=head1 Search::Estraier::NodeResult |
748 |
|
|
749 |
|
=head2 new |
750 |
|
|
751 |
|
my $res = new Search::HyperEstraier::NodeResult( |
752 |
|
docs => @array_of_rdocs, |
753 |
|
hits => %hash_with_hints, |
754 |
|
); |
755 |
|
|
756 |
|
=cut |
757 |
|
|
758 |
|
sub new { |
759 |
|
my $class = shift; |
760 |
|
my $self = {@_}; |
761 |
|
bless($self, $class); |
762 |
|
|
763 |
|
foreach my $f (qw/docs hints/) { |
764 |
|
croak "missing $f for ResultDocument" unless defined($self->{$f}); |
765 |
} |
} |
766 |
|
|
767 |
|
$self ? return $self : return undef; |
768 |
|
} |
769 |
|
|
770 |
|
|
771 |
|
=head2 doc_num |
772 |
|
|
773 |
|
Return number of documents |
774 |
|
|
775 |
|
print $res->doc_num; |
776 |
|
|
777 |
|
This will return real number of documents (limited by C<max>). |
778 |
|
If you want to get total number of hits, see C<hits>. |
779 |
|
|
780 |
|
=cut |
781 |
|
|
782 |
|
sub doc_num { |
783 |
|
my $self = shift; |
784 |
|
return $#{$self->{docs}} + 1; |
785 |
|
} |
786 |
|
|
787 |
|
|
788 |
|
=head2 get_doc |
789 |
|
|
790 |
|
Return single document |
791 |
|
|
792 |
|
my $doc = $res->get_doc( 42 ); |
793 |
|
|
794 |
|
Returns undef if document doesn't exist. |
795 |
|
|
796 |
|
=cut |
797 |
|
|
798 |
|
sub get_doc { |
799 |
|
my $self = shift; |
800 |
|
my $num = shift; |
801 |
|
croak "expect number as argument, not '$num'" unless ($num =~ m/^\d+$/); |
802 |
|
return undef if ($num < 0 || $num > $self->{docs}); |
803 |
|
return $self->{docs}->[$num]; |
804 |
} |
} |
805 |
|
|
806 |
|
|
807 |
|
=head2 hint |
808 |
|
|
809 |
|
Return specific hint from results. |
810 |
|
|
811 |
|
print $res->hint( 'VERSION' ); |
812 |
|
|
813 |
|
Possible hints are: C<VERSION>, C<NODE>, C<HIT>, C<HINT#n>, C<DOCNUM>, C<WORDNUM>, |
814 |
|
C<TIME>, C<LINK#n>, C<VIEW>. |
815 |
|
|
816 |
|
=cut |
817 |
|
|
818 |
|
sub hint { |
819 |
|
my $self = shift; |
820 |
|
my $key = shift || return; |
821 |
|
return $self->{hints}->{$key}; |
822 |
|
} |
823 |
|
|
824 |
|
=head2 hints |
825 |
|
|
826 |
|
More perlish version of C<hint>. This one returns hash. |
827 |
|
|
828 |
|
my %hints = $res->hints; |
829 |
|
|
830 |
|
=cut |
831 |
|
|
832 |
|
sub hints { |
833 |
|
my $self = shift; |
834 |
|
return $self->{hints}; |
835 |
|
} |
836 |
|
|
837 |
|
=head2 hits |
838 |
|
|
839 |
|
Syntaxtic sugar for total number of hits for this query |
840 |
|
|
841 |
|
print $res->hits; |
842 |
|
|
843 |
|
It's same as |
844 |
|
|
845 |
|
print $res->hint('HIT'); |
846 |
|
|
847 |
|
but shorter. |
848 |
|
|
849 |
|
=cut |
850 |
|
|
851 |
|
sub hits { |
852 |
|
my $self = shift; |
853 |
|
return $self->{hints}->{'HIT'} || 0; |
854 |
|
} |
855 |
|
|
856 |
|
package Search::Estraier::Node; |
857 |
|
|
858 |
|
use Carp qw/carp croak confess/; |
859 |
|
use URI; |
860 |
|
use MIME::Base64; |
861 |
|
use IO::Socket::INET; |
862 |
|
use URI::Escape qw/uri_escape/; |
863 |
|
|
864 |
|
=head1 Search::Estraier::Node |
865 |
|
|
866 |
=head2 new |
=head2 new |
867 |
|
|
868 |
Create new connection to node master. |
my $node = new Search::HyperEstraier::Node; |
869 |
|
|
870 |
my $master = new Search::Estraier::Master( |
or optionally with C<url> as parametar |
871 |
url => 'http://localhost:1978', |
|
872 |
|
my $node = new Search::HyperEstraier::Node( 'http://localhost:1978/node/test' ); |
873 |
|
|
874 |
|
or in more verbose form |
875 |
|
|
876 |
|
my $node = new Search::HyperEstraier::Node( |
877 |
|
url => 'http://localhost:1978/node/test', |
878 |
user => 'admin', |
user => 'admin', |
879 |
passwd => 'admin', |
passwd => 'admin' |
880 |
|
create => 1, |
881 |
|
label => 'optional node label', |
882 |
|
debug => 1, |
883 |
|
croak_on_error => 1 |
884 |
); |
); |
885 |
|
|
886 |
|
with following arguments: |
887 |
|
|
888 |
|
=over 4 |
889 |
|
|
890 |
|
=item url |
891 |
|
|
892 |
|
URL to node |
893 |
|
|
894 |
|
=item user |
895 |
|
|
896 |
|
specify username for node server authentication |
897 |
|
|
898 |
|
=item passwd |
899 |
|
|
900 |
|
password for authentication |
901 |
|
|
902 |
|
=item create |
903 |
|
|
904 |
|
create node if it doesn't exists |
905 |
|
|
906 |
|
=item label |
907 |
|
|
908 |
|
optional label for new node if C<create> is used |
909 |
|
|
910 |
|
=item debug |
911 |
|
|
912 |
|
dumps a B<lot> of debugging output |
913 |
|
|
914 |
|
=item croak_on_error |
915 |
|
|
916 |
|
very helpful during development. It will croak on all errors instead of |
917 |
|
silently returning C<-1> (which is convention of Hyper Estraier API in other |
918 |
|
languages). |
919 |
|
|
920 |
|
=back |
921 |
|
|
922 |
=cut |
=cut |
923 |
|
|
924 |
sub new { |
sub new { |
925 |
my $class = shift; |
my $class = shift; |
926 |
my $self = {@_}; |
my $self = { |
927 |
|
pxport => -1, |
928 |
|
timeout => 0, # this used to be -1 |
929 |
|
wwidth => 480, |
930 |
|
hwidth => 96, |
931 |
|
awidth => 96, |
932 |
|
status => -1, |
933 |
|
}; |
934 |
|
|
935 |
bless($self, $class); |
bless($self, $class); |
936 |
|
|
937 |
foreach my $p (qw/url user passwd/) { |
if ($#_ == 0) { |
938 |
croak "need $p" unless ($self->{$p}); |
$self->{url} = shift; |
939 |
|
} else { |
940 |
|
%$self = ( %$self, @_ ); |
941 |
|
|
942 |
|
$self->set_auth( $self->{user}, $self->{passwd} ) if ($self->{user}); |
943 |
|
|
944 |
|
warn "## Node debug on\n" if ($self->{debug}); |
945 |
|
} |
946 |
|
|
947 |
|
$self->{inform} = { |
948 |
|
dnum => -1, |
949 |
|
wnum => -1, |
950 |
|
size => -1.0, |
951 |
|
}; |
952 |
|
|
953 |
|
if ($self->{create}) { |
954 |
|
if (! eval { $self->name } || $@) { |
955 |
|
my $name = $1 if ($self->{url} =~ m#/node/([^/]+)/*#); |
956 |
|
croak "can't find node name in '$self->{url}'" unless ($name); |
957 |
|
my $label = $self->{label} || $name; |
958 |
|
$self->master( |
959 |
|
action => 'nodeadd', |
960 |
|
name => $name, |
961 |
|
label => $label, |
962 |
|
) || croak "can't create node $name ($label)"; |
963 |
|
} |
964 |
} |
} |
965 |
|
|
966 |
$self ? return $self : return undef; |
$self ? return $self : return undef; |
967 |
} |
} |
968 |
|
|
969 |
|
|
970 |
|
=head2 set_url |
971 |
|
|
972 |
|
Specify URL to node server |
973 |
|
|
974 |
|
$node->set_url('http://localhost:1978'); |
975 |
|
|
976 |
|
=cut |
977 |
|
|
978 |
|
sub set_url { |
979 |
|
my $self = shift; |
980 |
|
$self->{url} = shift; |
981 |
|
} |
982 |
|
|
983 |
|
|
984 |
|
=head2 set_proxy |
985 |
|
|
986 |
|
Specify proxy server to connect to node server |
987 |
|
|
988 |
|
$node->set_proxy('proxy.example.com', 8080); |
989 |
|
|
990 |
|
=cut |
991 |
|
|
992 |
|
sub set_proxy { |
993 |
|
my $self = shift; |
994 |
|
my ($host,$port) = @_; |
995 |
|
croak "proxy port must be number, not '$port'" unless ($port =~ m/^\d+$/); |
996 |
|
$self->{pxhost} = $host; |
997 |
|
$self->{pxport} = $port; |
998 |
|
} |
999 |
|
|
1000 |
|
|
1001 |
|
=head2 set_timeout |
1002 |
|
|
1003 |
|
Specify timeout of connection in seconds |
1004 |
|
|
1005 |
|
$node->set_timeout( 15 ); |
1006 |
|
|
1007 |
|
=cut |
1008 |
|
|
1009 |
|
sub set_timeout { |
1010 |
|
my $self = shift; |
1011 |
|
my $sec = shift; |
1012 |
|
croak "timeout must be number, not '$sec'" unless ($sec =~ m/^\d+$/); |
1013 |
|
$self->{timeout} = $sec; |
1014 |
|
} |
1015 |
|
|
1016 |
|
|
1017 |
|
=head2 set_auth |
1018 |
|
|
1019 |
|
Specify name and password for authentication to node server. |
1020 |
|
|
1021 |
|
$node->set_auth('clint','eastwood'); |
1022 |
|
|
1023 |
|
=cut |
1024 |
|
|
1025 |
|
sub set_auth { |
1026 |
|
my $self = shift; |
1027 |
|
my ($login,$passwd) = @_; |
1028 |
|
my $basic_auth = encode_base64( "$login:$passwd" ); |
1029 |
|
chomp($basic_auth); |
1030 |
|
$self->{auth} = $basic_auth; |
1031 |
|
} |
1032 |
|
|
1033 |
|
|
1034 |
|
=head2 status |
1035 |
|
|
1036 |
|
Return status code of last request. |
1037 |
|
|
1038 |
|
print $node->status; |
1039 |
|
|
1040 |
|
C<-1> means connection failure. |
1041 |
|
|
1042 |
|
=cut |
1043 |
|
|
1044 |
|
sub status { |
1045 |
|
my $self = shift; |
1046 |
|
return $self->{status}; |
1047 |
|
} |
1048 |
|
|
1049 |
|
|
1050 |
|
=head2 put_doc |
1051 |
|
|
1052 |
|
Add a document |
1053 |
|
|
1054 |
|
$node->put_doc( $document_draft ) or die "can't add document"; |
1055 |
|
|
1056 |
|
Return true on success or false on failture. |
1057 |
|
|
1058 |
|
=cut |
1059 |
|
|
1060 |
|
sub put_doc { |
1061 |
|
my $self = shift; |
1062 |
|
my $doc = shift || return; |
1063 |
|
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
1064 |
|
$self->shuttle_url( $self->{url} . '/put_doc', |
1065 |
|
'text/x-estraier-draft', |
1066 |
|
$doc->dump_draft, |
1067 |
|
undef |
1068 |
|
) == 200; |
1069 |
|
} |
1070 |
|
|
1071 |
|
|
1072 |
|
=head2 out_doc |
1073 |
|
|
1074 |
|
Remove a document |
1075 |
|
|
1076 |
|
$node->out_doc( document_id ) or "can't remove document"; |
1077 |
|
|
1078 |
|
Return true on success or false on failture. |
1079 |
|
|
1080 |
|
=cut |
1081 |
|
|
1082 |
|
sub out_doc { |
1083 |
|
my $self = shift; |
1084 |
|
my $id = shift || return; |
1085 |
|
return unless ($self->{url}); |
1086 |
|
croak "id must be number, not '$id'" unless ($id =~ m/^\d+$/); |
1087 |
|
if ($self->shuttle_url( $self->{url} . '/out_doc', |
1088 |
|
'application/x-www-form-urlencoded', |
1089 |
|
"id=$id", |
1090 |
|
undef |
1091 |
|
) == 200) { |
1092 |
|
$self->_set_info; |
1093 |
|
return $id; |
1094 |
|
} |
1095 |
|
return undef; |
1096 |
|
} |
1097 |
|
|
1098 |
|
|
1099 |
|
=head2 out_doc_by_uri |
1100 |
|
|
1101 |
|
Remove a registrated document using it's uri |
1102 |
|
|
1103 |
|
$node->out_doc_by_uri( 'file:///document/uri/42' ) or "can't remove document"; |
1104 |
|
|
1105 |
|
Return true on success or false on failture. |
1106 |
|
|
1107 |
|
=cut |
1108 |
|
|
1109 |
|
sub out_doc_by_uri { |
1110 |
|
my $self = shift; |
1111 |
|
my $uri = shift || return; |
1112 |
|
return unless ($self->{url}); |
1113 |
|
if ($self->shuttle_url( $self->{url} . '/out_doc', |
1114 |
|
'application/x-www-form-urlencoded', |
1115 |
|
"uri=" . uri_escape($uri), |
1116 |
|
undef |
1117 |
|
) == 200) { |
1118 |
|
$self->_set_info; |
1119 |
|
return $uri; |
1120 |
|
} |
1121 |
|
return undef; |
1122 |
|
} |
1123 |
|
|
1124 |
|
|
1125 |
|
=head2 edit_doc |
1126 |
|
|
1127 |
|
Edit attributes of a document |
1128 |
|
|
1129 |
|
$node->edit_doc( $document_draft ) or die "can't edit document"; |
1130 |
|
|
1131 |
|
Return true on success or false on failture. |
1132 |
|
|
1133 |
|
=cut |
1134 |
|
|
1135 |
|
sub edit_doc { |
1136 |
|
my $self = shift; |
1137 |
|
my $doc = shift || return; |
1138 |
|
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
1139 |
|
$self->shuttle_url( $self->{url} . '/edit_doc', |
1140 |
|
'text/x-estraier-draft', |
1141 |
|
$doc->dump_draft, |
1142 |
|
undef |
1143 |
|
) == 200; |
1144 |
|
} |
1145 |
|
|
1146 |
|
|
1147 |
|
=head2 get_doc |
1148 |
|
|
1149 |
|
Retreive document |
1150 |
|
|
1151 |
|
my $doc = $node->get_doc( document_id ) or die "can't get document"; |
1152 |
|
|
1153 |
|
Return true on success or false on failture. |
1154 |
|
|
1155 |
|
=cut |
1156 |
|
|
1157 |
|
sub get_doc { |
1158 |
|
my $self = shift; |
1159 |
|
my $id = shift || return; |
1160 |
|
return $self->_fetch_doc( id => $id ); |
1161 |
|
} |
1162 |
|
|
1163 |
|
|
1164 |
|
=head2 get_doc_by_uri |
1165 |
|
|
1166 |
|
Retreive document |
1167 |
|
|
1168 |
|
my $doc = $node->get_doc_by_uri( 'file:///document/uri/42' ) or die "can't get document"; |
1169 |
|
|
1170 |
|
Return true on success or false on failture. |
1171 |
|
|
1172 |
|
=cut |
1173 |
|
|
1174 |
|
sub get_doc_by_uri { |
1175 |
|
my $self = shift; |
1176 |
|
my $uri = shift || return; |
1177 |
|
return $self->_fetch_doc( uri => $uri ); |
1178 |
|
} |
1179 |
|
|
1180 |
|
|
1181 |
|
=head2 get_doc_attr |
1182 |
|
|
1183 |
|
Retrieve the value of an atribute from object |
1184 |
|
|
1185 |
|
my $val = $node->get_doc_attr( document_id, 'attribute_name' ) or |
1186 |
|
die "can't get document attribute"; |
1187 |
|
|
1188 |
|
=cut |
1189 |
|
|
1190 |
|
sub get_doc_attr { |
1191 |
|
my $self = shift; |
1192 |
|
my ($id,$name) = @_; |
1193 |
|
return unless ($id && $name); |
1194 |
|
return $self->_fetch_doc( id => $id, attr => $name ); |
1195 |
|
} |
1196 |
|
|
1197 |
|
|
1198 |
|
=head2 get_doc_attr_by_uri |
1199 |
|
|
1200 |
|
Retrieve the value of an atribute from object |
1201 |
|
|
1202 |
|
my $val = $node->get_doc_attr_by_uri( document_id, 'attribute_name' ) or |
1203 |
|
die "can't get document attribute"; |
1204 |
|
|
1205 |
|
=cut |
1206 |
|
|
1207 |
|
sub get_doc_attr_by_uri { |
1208 |
|
my $self = shift; |
1209 |
|
my ($uri,$name) = @_; |
1210 |
|
return unless ($uri && $name); |
1211 |
|
return $self->_fetch_doc( uri => $uri, attr => $name ); |
1212 |
|
} |
1213 |
|
|
1214 |
|
|
1215 |
|
=head2 etch_doc |
1216 |
|
|
1217 |
|
Exctract document keywords |
1218 |
|
|
1219 |
|
my $keywords = $node->etch_doc( document_id ) or die "can't etch document"; |
1220 |
|
|
1221 |
|
=cut |
1222 |
|
|
1223 |
|
sub etch_doc { |
1224 |
|
my $self = shift; |
1225 |
|
my $id = shift || return; |
1226 |
|
return $self->_fetch_doc( id => $id, etch => 1 ); |
1227 |
|
} |
1228 |
|
|
1229 |
|
=head2 etch_doc_by_uri |
1230 |
|
|
1231 |
|
Retreive document |
1232 |
|
|
1233 |
|
my $keywords = $node->etch_doc_by_uri( 'file:///document/uri/42' ) or die "can't etch document"; |
1234 |
|
|
1235 |
|
Return true on success or false on failture. |
1236 |
|
|
1237 |
|
=cut |
1238 |
|
|
1239 |
|
sub etch_doc_by_uri { |
1240 |
|
my $self = shift; |
1241 |
|
my $uri = shift || return; |
1242 |
|
return $self->_fetch_doc( uri => $uri, etch => 1 ); |
1243 |
|
} |
1244 |
|
|
1245 |
|
|
1246 |
|
=head2 uri_to_id |
1247 |
|
|
1248 |
|
Get ID of document specified by URI |
1249 |
|
|
1250 |
|
my $id = $node->uri_to_id( 'file:///document/uri/42' ); |
1251 |
|
|
1252 |
|
This method won't croak, even if using C<croak_on_error>. |
1253 |
|
|
1254 |
|
=cut |
1255 |
|
|
1256 |
|
sub uri_to_id { |
1257 |
|
my $self = shift; |
1258 |
|
my $uri = shift || return; |
1259 |
|
return $self->_fetch_doc( uri => $uri, path => '/uri_to_id', chomp_resbody => 1, croak_on_error => 0 ); |
1260 |
|
} |
1261 |
|
|
1262 |
|
|
1263 |
|
=head2 _fetch_doc |
1264 |
|
|
1265 |
|
Private function used for implementing of C<get_doc>, C<get_doc_by_uri>, |
1266 |
|
C<etch_doc>, C<etch_doc_by_uri>. |
1267 |
|
|
1268 |
|
# this will decode received draft into Search::Estraier::Document object |
1269 |
|
my $doc = $node->_fetch_doc( id => 42 ); |
1270 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42' ); |
1271 |
|
|
1272 |
|
# to extract keywords, add etch |
1273 |
|
my $doc = $node->_fetch_doc( id => 42, etch => 1 ); |
1274 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', etch => 1 ); |
1275 |
|
|
1276 |
|
# to get document attrubute add attr |
1277 |
|
my $doc = $node->_fetch_doc( id => 42, attr => '@mdate' ); |
1278 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', attr => '@mdate' ); |
1279 |
|
|
1280 |
|
# more general form which allows implementation of |
1281 |
|
# uri_to_id |
1282 |
|
my $id = $node->_fetch_doc( |
1283 |
|
uri => 'file:///document/uri/42', |
1284 |
|
path => '/uri_to_id', |
1285 |
|
chomp_resbody => 1 |
1286 |
|
); |
1287 |
|
|
1288 |
|
=cut |
1289 |
|
|
1290 |
|
sub _fetch_doc { |
1291 |
|
my $self = shift; |
1292 |
|
my $a = {@_}; |
1293 |
|
return unless ( ($a->{id} || $a->{uri}) && $self->{url} ); |
1294 |
|
|
1295 |
|
my ($arg, $resbody); |
1296 |
|
|
1297 |
|
my $path = $a->{path} || '/get_doc'; |
1298 |
|
$path = '/etch_doc' if ($a->{etch}); |
1299 |
|
|
1300 |
|
if ($a->{id}) { |
1301 |
|
croak "id must be numberm not '$a->{id}'" unless ($a->{id} =~ m/^\d+$/); |
1302 |
|
$arg = 'id=' . $a->{id}; |
1303 |
|
} elsif ($a->{uri}) { |
1304 |
|
$arg = 'uri=' . uri_escape($a->{uri}); |
1305 |
|
} else { |
1306 |
|
confess "unhandled argument. Need id or uri."; |
1307 |
|
} |
1308 |
|
|
1309 |
|
if ($a->{attr}) { |
1310 |
|
$path = '/get_doc_attr'; |
1311 |
|
$arg .= '&attr=' . uri_escape($a->{attr}); |
1312 |
|
$a->{chomp_resbody} = 1; |
1313 |
|
} |
1314 |
|
|
1315 |
|
my $rv = $self->shuttle_url( $self->{url} . $path, |
1316 |
|
'application/x-www-form-urlencoded', |
1317 |
|
$arg, |
1318 |
|
\$resbody, |
1319 |
|
$a->{croak_on_error}, |
1320 |
|
); |
1321 |
|
|
1322 |
|
return if ($rv != 200); |
1323 |
|
|
1324 |
|
if ($a->{etch}) { |
1325 |
|
$self->{kwords} = {}; |
1326 |
|
return +{} unless ($resbody); |
1327 |
|
foreach my $l (split(/\n/, $resbody)) { |
1328 |
|
my ($k,$v) = split(/\t/, $l, 2); |
1329 |
|
$self->{kwords}->{$k} = $v if ($v); |
1330 |
|
} |
1331 |
|
return $self->{kwords}; |
1332 |
|
} elsif ($a->{chomp_resbody}) { |
1333 |
|
return unless (defined($resbody)); |
1334 |
|
chomp($resbody); |
1335 |
|
return $resbody; |
1336 |
|
} else { |
1337 |
|
return new Search::Estraier::Document($resbody); |
1338 |
|
} |
1339 |
|
} |
1340 |
|
|
1341 |
|
|
1342 |
|
=head2 name |
1343 |
|
|
1344 |
|
my $node_name = $node->name; |
1345 |
|
|
1346 |
|
=cut |
1347 |
|
|
1348 |
|
sub name { |
1349 |
|
my $self = shift; |
1350 |
|
$self->_set_info unless ($self->{inform}->{name}); |
1351 |
|
return $self->{inform}->{name}; |
1352 |
|
} |
1353 |
|
|
1354 |
|
|
1355 |
|
=head2 label |
1356 |
|
|
1357 |
|
my $node_label = $node->label; |
1358 |
|
|
1359 |
|
=cut |
1360 |
|
|
1361 |
|
sub label { |
1362 |
|
my $self = shift; |
1363 |
|
$self->_set_info unless ($self->{inform}->{label}); |
1364 |
|
return $self->{inform}->{label}; |
1365 |
|
} |
1366 |
|
|
1367 |
|
|
1368 |
|
=head2 doc_num |
1369 |
|
|
1370 |
|
my $documents_in_node = $node->doc_num; |
1371 |
|
|
1372 |
|
=cut |
1373 |
|
|
1374 |
|
sub doc_num { |
1375 |
|
my $self = shift; |
1376 |
|
$self->_set_info if ($self->{inform}->{dnum} < 0); |
1377 |
|
return $self->{inform}->{dnum}; |
1378 |
|
} |
1379 |
|
|
1380 |
|
|
1381 |
|
=head2 word_num |
1382 |
|
|
1383 |
|
my $words_in_node = $node->word_num; |
1384 |
|
|
1385 |
|
=cut |
1386 |
|
|
1387 |
|
sub word_num { |
1388 |
|
my $self = shift; |
1389 |
|
$self->_set_info if ($self->{inform}->{wnum} < 0); |
1390 |
|
return $self->{inform}->{wnum}; |
1391 |
|
} |
1392 |
|
|
1393 |
|
|
1394 |
|
=head2 size |
1395 |
|
|
1396 |
|
my $node_size = $node->size; |
1397 |
|
|
1398 |
|
=cut |
1399 |
|
|
1400 |
|
sub size { |
1401 |
|
my $self = shift; |
1402 |
|
$self->_set_info if ($self->{inform}->{size} < 0); |
1403 |
|
return $self->{inform}->{size}; |
1404 |
|
} |
1405 |
|
|
1406 |
|
|
1407 |
|
=head2 search |
1408 |
|
|
1409 |
|
Search documents which match condition |
1410 |
|
|
1411 |
|
my $nres = $node->search( $cond, $depth ); |
1412 |
|
|
1413 |
|
C<$cond> is C<Search::Estraier::Condition> object, while <$depth> specifies |
1414 |
|
depth for meta search. |
1415 |
|
|
1416 |
|
Function results C<Search::Estraier::NodeResult> object. |
1417 |
|
|
1418 |
|
=cut |
1419 |
|
|
1420 |
|
sub search { |
1421 |
|
my $self = shift; |
1422 |
|
my ($cond, $depth) = @_; |
1423 |
|
return unless ($cond && defined($depth) && $self->{url}); |
1424 |
|
croak "cond mush be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1425 |
|
croak "depth needs number, not '$depth'" unless ($depth =~ m/^\d+$/); |
1426 |
|
|
1427 |
|
my $resbody; |
1428 |
|
|
1429 |
|
my $rv = $self->shuttle_url( $self->{url} . '/search', |
1430 |
|
'application/x-www-form-urlencoded', |
1431 |
|
$self->cond_to_query( $cond, $depth ), |
1432 |
|
\$resbody, |
1433 |
|
); |
1434 |
|
return if ($rv != 200); |
1435 |
|
|
1436 |
|
my @records = split /--------\[.*?\]--------(?::END)?\r?\n/, $resbody; |
1437 |
|
my $hintsText = splice @records, 0, 2; # starts with empty record |
1438 |
|
my $hints = { $hintsText =~ m/^(.*?)\t(.*?)$/gsm }; |
1439 |
|
|
1440 |
|
# process records |
1441 |
|
my $docs = []; |
1442 |
|
foreach my $record (@records) |
1443 |
|
{ |
1444 |
|
# split into keys and snippets |
1445 |
|
my ($keys, $snippet) = $record =~ m/^(.*?)\n\n(.*?)$/s; |
1446 |
|
|
1447 |
|
# create document hash |
1448 |
|
my $doc = { $keys =~ m/^(.*?)=(.*?)$/gsm }; |
1449 |
|
$doc->{'@keywords'} = $doc->{keywords}; |
1450 |
|
($doc->{keywords}) = $keys =~ m/^%VECTOR\t(.*?)$/gm; |
1451 |
|
$doc->{snippet} = $snippet; |
1452 |
|
|
1453 |
|
push @$docs, new Search::Estraier::ResultDocument( |
1454 |
|
attrs => $doc, |
1455 |
|
uri => $doc->{'@uri'}, |
1456 |
|
snippet => $snippet, |
1457 |
|
keywords => $doc->{'keywords'}, |
1458 |
|
); |
1459 |
|
} |
1460 |
|
|
1461 |
|
return new Search::Estraier::NodeResult( docs => $docs, hints => $hints ); |
1462 |
|
} |
1463 |
|
|
1464 |
|
|
1465 |
|
=head2 cond_to_query |
1466 |
|
|
1467 |
|
Return URI encoded string generated from Search::Estraier::Condition |
1468 |
|
|
1469 |
|
my $args = $node->cond_to_query( $cond, $depth ); |
1470 |
|
|
1471 |
|
=cut |
1472 |
|
|
1473 |
|
sub cond_to_query { |
1474 |
|
my $self = shift; |
1475 |
|
|
1476 |
|
my $cond = shift || return; |
1477 |
|
croak "condition must be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1478 |
|
my $depth = shift; |
1479 |
|
|
1480 |
|
my @args; |
1481 |
|
|
1482 |
|
if (my $phrase = $cond->phrase) { |
1483 |
|
push @args, 'phrase=' . uri_escape($phrase); |
1484 |
|
} |
1485 |
|
|
1486 |
|
if (my @attrs = $cond->attrs) { |
1487 |
|
for my $i ( 0 .. $#attrs ) { |
1488 |
|
push @args,'attr' . ($i+1) . '=' . uri_escape( $attrs[$i] ) if ($attrs[$i]); |
1489 |
|
} |
1490 |
|
} |
1491 |
|
|
1492 |
|
if (my $order = $cond->order) { |
1493 |
|
push @args, 'order=' . uri_escape($order); |
1494 |
|
} |
1495 |
|
|
1496 |
|
if (my $max = $cond->max) { |
1497 |
|
push @args, 'max=' . $max; |
1498 |
|
} else { |
1499 |
|
push @args, 'max=' . (1 << 30); |
1500 |
|
} |
1501 |
|
|
1502 |
|
if (my $options = $cond->options) { |
1503 |
|
push @args, 'options=' . $options; |
1504 |
|
} |
1505 |
|
|
1506 |
|
push @args, 'depth=' . $depth if ($depth); |
1507 |
|
push @args, 'wwidth=' . $self->{wwidth}; |
1508 |
|
push @args, 'hwidth=' . $self->{hwidth}; |
1509 |
|
push @args, 'awidth=' . $self->{awidth}; |
1510 |
|
push @args, 'skip=' . $self->{skip} if ($self->{skip}); |
1511 |
|
|
1512 |
|
return join('&', @args); |
1513 |
|
} |
1514 |
|
|
1515 |
|
|
1516 |
|
=head2 shuttle_url |
1517 |
|
|
1518 |
|
This is method which uses C<LWP::UserAgent> to communicate with Hyper Estraier node |
1519 |
|
master. |
1520 |
|
|
1521 |
|
my $rv = shuttle_url( $url, $content_type, $req_body, \$resbody ); |
1522 |
|
|
1523 |
|
C<$resheads> and C<$resbody> booleans controll if response headers and/or response |
1524 |
|
body will be saved within object. |
1525 |
|
|
1526 |
|
=cut |
1527 |
|
|
1528 |
|
use LWP::UserAgent; |
1529 |
|
|
1530 |
|
sub shuttle_url { |
1531 |
|
my $self = shift; |
1532 |
|
|
1533 |
|
my ($url, $content_type, $reqbody, $resbody, $croak_on_error) = @_; |
1534 |
|
|
1535 |
|
$croak_on_error = $self->{croak_on_error} unless defined($croak_on_error); |
1536 |
|
|
1537 |
|
$self->{status} = -1; |
1538 |
|
|
1539 |
|
warn "## $url\n" if ($self->{debug}); |
1540 |
|
|
1541 |
|
$url = new URI($url); |
1542 |
|
if ( |
1543 |
|
!$url || !$url->scheme || !$url->scheme eq 'http' || |
1544 |
|
!$url->host || !$url->port || $url->port < 1 |
1545 |
|
) { |
1546 |
|
carp "can't parse $url\n"; |
1547 |
|
return -1; |
1548 |
|
} |
1549 |
|
|
1550 |
|
my $ua = LWP::UserAgent->new; |
1551 |
|
$ua->agent( "Search-Estraier/$Search::Estraier::VERSION" ); |
1552 |
|
|
1553 |
|
my $req; |
1554 |
|
if ($reqbody) { |
1555 |
|
$req = HTTP::Request->new(POST => $url); |
1556 |
|
} else { |
1557 |
|
$req = HTTP::Request->new(GET => $url); |
1558 |
|
} |
1559 |
|
|
1560 |
|
$req->headers->header( 'Host' => $url->host . ":" . $url->port ); |
1561 |
|
$req->headers->header( 'Connection', 'close' ); |
1562 |
|
$req->headers->header( 'Authorization', 'Basic ' . $self->{auth} ) if ($self->{auth}); |
1563 |
|
$req->content_type( $content_type ); |
1564 |
|
|
1565 |
|
warn $req->headers->as_string,"\n" if ($self->{debug}); |
1566 |
|
|
1567 |
|
if ($reqbody) { |
1568 |
|
warn "$reqbody\n" if ($self->{debug}); |
1569 |
|
$req->content( $reqbody ); |
1570 |
|
} |
1571 |
|
|
1572 |
|
my $res = $ua->request($req) || croak "can't make request to $url: $!"; |
1573 |
|
|
1574 |
|
warn "## response status: ",$res->status_line,"\n" if ($self->{debug}); |
1575 |
|
|
1576 |
|
($self->{status}, $self->{status_message}) = split(/\s+/, $res->status_line, 2); |
1577 |
|
|
1578 |
|
if (! $res->is_success) { |
1579 |
|
if ($croak_on_error) { |
1580 |
|
croak("can't get $url: ",$res->status_line); |
1581 |
|
} else { |
1582 |
|
return -1; |
1583 |
|
} |
1584 |
|
} |
1585 |
|
|
1586 |
|
$$resbody .= $res->content; |
1587 |
|
|
1588 |
|
warn "## response body:\n$$resbody\n" if ($resbody && $self->{debug}); |
1589 |
|
|
1590 |
|
return $self->{status}; |
1591 |
|
} |
1592 |
|
|
1593 |
|
|
1594 |
|
=head2 set_snippet_width |
1595 |
|
|
1596 |
|
Set width of snippets in results |
1597 |
|
|
1598 |
|
$node->set_snippet_width( $wwidth, $hwidth, $awidth ); |
1599 |
|
|
1600 |
|
C<$wwidth> specifies whole width of snippet. It's C<480> by default. If it's C<0> snippet |
1601 |
|
is not sent with results. If it is negative, whole document text is sent instead of snippet. |
1602 |
|
|
1603 |
|
C<$hwidth> specified width of strings from beginning of string. Default |
1604 |
|
value is C<96>. Negative or zero value keep previous value. |
1605 |
|
|
1606 |
|
C<$awidth> specifies width of strings around each highlighted word. It's C<96> by default. |
1607 |
|
If negative of zero value is provided previous value is kept unchanged. |
1608 |
|
|
1609 |
|
=cut |
1610 |
|
|
1611 |
|
sub set_snippet_width { |
1612 |
|
my $self = shift; |
1613 |
|
|
1614 |
|
my ($wwidth, $hwidth, $awidth) = @_; |
1615 |
|
$self->{wwidth} = $wwidth; |
1616 |
|
$self->{hwidth} = $hwidth if ($hwidth >= 0); |
1617 |
|
$self->{awidth} = $awidth if ($awidth >= 0); |
1618 |
|
} |
1619 |
|
|
1620 |
|
|
1621 |
|
=head2 set_user |
1622 |
|
|
1623 |
|
Manage users of node |
1624 |
|
|
1625 |
|
$node->set_user( 'name', $mode ); |
1626 |
|
|
1627 |
|
C<$mode> can be one of: |
1628 |
|
|
1629 |
|
=over 4 |
1630 |
|
|
1631 |
|
=item 0 |
1632 |
|
|
1633 |
|
delete account |
1634 |
|
|
1635 |
|
=item 1 |
1636 |
|
|
1637 |
|
set administrative right for user |
1638 |
|
|
1639 |
|
=item 2 |
1640 |
|
|
1641 |
|
set user account as guest |
1642 |
|
|
1643 |
|
=back |
1644 |
|
|
1645 |
|
Return true on success, otherwise false. |
1646 |
|
|
1647 |
|
=cut |
1648 |
|
|
1649 |
|
sub set_user { |
1650 |
|
my $self = shift; |
1651 |
|
my ($name, $mode) = @_; |
1652 |
|
|
1653 |
|
return unless ($self->{url}); |
1654 |
|
croak "mode must be number, not '$mode'" unless ($mode =~ m/^\d+$/); |
1655 |
|
|
1656 |
|
$self->shuttle_url( $self->{url} . '/_set_user', |
1657 |
|
'text/plain', |
1658 |
|
'name=' . uri_escape($name) . '&mode=' . $mode, |
1659 |
|
undef |
1660 |
|
) == 200; |
1661 |
|
} |
1662 |
|
|
1663 |
|
|
1664 |
|
=head2 set_link |
1665 |
|
|
1666 |
|
Manage node links |
1667 |
|
|
1668 |
|
$node->set_link('http://localhost:1978/node/another', 'another node label', $credit); |
1669 |
|
|
1670 |
|
If C<$credit> is negative, link is removed. |
1671 |
|
|
1672 |
|
=cut |
1673 |
|
|
1674 |
|
sub set_link { |
1675 |
|
my $self = shift; |
1676 |
|
my ($url, $label, $credit) = @_; |
1677 |
|
|
1678 |
|
return unless ($self->{url}); |
1679 |
|
croak "mode credit be number, not '$credit'" unless ($credit =~ m/^\d+$/); |
1680 |
|
|
1681 |
|
my $reqbody = 'url=' . uri_escape($url) . '&label=' . uri_escape($label); |
1682 |
|
$reqbody .= '&credit=' . $credit if ($credit > 0); |
1683 |
|
|
1684 |
|
if ($self->shuttle_url( $self->{url} . '/_set_link', |
1685 |
|
'application/x-www-form-urlencoded', |
1686 |
|
$reqbody, |
1687 |
|
undef |
1688 |
|
) == 200) { |
1689 |
|
# refresh node info after adding link |
1690 |
|
$self->_set_info; |
1691 |
|
return 1; |
1692 |
|
} |
1693 |
|
return undef; |
1694 |
|
} |
1695 |
|
|
1696 |
|
=head2 admins |
1697 |
|
|
1698 |
|
my @admins = @{ $node->admins }; |
1699 |
|
|
1700 |
|
Return array of users with admin rights on node |
1701 |
|
|
1702 |
|
=cut |
1703 |
|
|
1704 |
|
sub admins { |
1705 |
|
my $self = shift; |
1706 |
|
$self->_set_info unless ($self->{inform}->{name}); |
1707 |
|
return $self->{inform}->{admins}; |
1708 |
|
} |
1709 |
|
|
1710 |
|
=head2 guests |
1711 |
|
|
1712 |
|
my @guests = @{ $node->guests }; |
1713 |
|
|
1714 |
|
Return array of users with guest rights on node |
1715 |
|
|
1716 |
|
=cut |
1717 |
|
|
1718 |
|
sub guests { |
1719 |
|
my $self = shift; |
1720 |
|
$self->_set_info unless ($self->{inform}->{name}); |
1721 |
|
return $self->{inform}->{guests}; |
1722 |
|
} |
1723 |
|
|
1724 |
|
=head2 links |
1725 |
|
|
1726 |
|
my $links = @{ $node->links }; |
1727 |
|
|
1728 |
|
Return array of links for this node |
1729 |
|
|
1730 |
|
=cut |
1731 |
|
|
1732 |
|
sub links { |
1733 |
|
my $self = shift; |
1734 |
|
$self->_set_info unless ($self->{inform}->{name}); |
1735 |
|
return $self->{inform}->{links}; |
1736 |
|
} |
1737 |
|
|
1738 |
|
=head2 master |
1739 |
|
|
1740 |
|
Set actions on Hyper Estraier node master (C<estmaster> process) |
1741 |
|
|
1742 |
|
$node->master( |
1743 |
|
action => 'sync' |
1744 |
|
); |
1745 |
|
|
1746 |
|
All available actions are documented in |
1747 |
|
L<http://hyperestraier.sourceforge.net/nguide-en.html#protocol> |
1748 |
|
|
1749 |
|
=cut |
1750 |
|
|
1751 |
|
my $estmaster_rest = { |
1752 |
|
shutdown => { |
1753 |
|
status => 202, |
1754 |
|
}, |
1755 |
|
sync => { |
1756 |
|
status => 202, |
1757 |
|
}, |
1758 |
|
backup => { |
1759 |
|
status => 202, |
1760 |
|
}, |
1761 |
|
userlist => { |
1762 |
|
status => 200, |
1763 |
|
returns => [ qw/name passwd flags fname misc/ ], |
1764 |
|
}, |
1765 |
|
useradd => { |
1766 |
|
required => [ qw/name passwd flags/ ], |
1767 |
|
optional => [ qw/fname misc/ ], |
1768 |
|
status => 200, |
1769 |
|
}, |
1770 |
|
userdel => { |
1771 |
|
required => [ qw/name/ ], |
1772 |
|
status => 200, |
1773 |
|
}, |
1774 |
|
nodelist => { |
1775 |
|
status => 200, |
1776 |
|
returns => [ qw/name label doc_num word_num size/ ], |
1777 |
|
}, |
1778 |
|
nodeadd => { |
1779 |
|
required => [ qw/name/ ], |
1780 |
|
optional => [ qw/label/ ], |
1781 |
|
status => 200, |
1782 |
|
}, |
1783 |
|
nodedel => { |
1784 |
|
required => [ qw/name/ ], |
1785 |
|
status => 200, |
1786 |
|
}, |
1787 |
|
nodeclr => { |
1788 |
|
required => [ qw/name/ ], |
1789 |
|
status => 200, |
1790 |
|
}, |
1791 |
|
nodertt => { |
1792 |
|
status => 200, |
1793 |
|
}, |
1794 |
|
}; |
1795 |
|
|
1796 |
|
sub master { |
1797 |
|
my $self = shift; |
1798 |
|
|
1799 |
|
my $args = {@_}; |
1800 |
|
|
1801 |
|
# have action? |
1802 |
|
my $action = $args->{action} || croak "need action, available: ", |
1803 |
|
join(", ",keys %{ $estmaster_rest }); |
1804 |
|
|
1805 |
|
# check if action is valid |
1806 |
|
my $rest = $estmaster_rest->{$action}; |
1807 |
|
croak "action '$action' is not supported, available actions: ", |
1808 |
|
join(", ",keys %{ $estmaster_rest }) unless ($rest); |
1809 |
|
|
1810 |
|
croak "BUG: action '$action' needs return status" unless ($rest->{status}); |
1811 |
|
|
1812 |
|
my @args; |
1813 |
|
|
1814 |
|
if ($rest->{required} || $rest->{optional}) { |
1815 |
|
|
1816 |
|
map { |
1817 |
|
croak "need parametar '$_' for action '$action'" unless ($args->{$_}); |
1818 |
|
push @args, $_ . '=' . uri_escape( $args->{$_} ); |
1819 |
|
} ( @{ $rest->{required} } ); |
1820 |
|
|
1821 |
|
map { |
1822 |
|
push @args, $_ . '=' . uri_escape( $args->{$_} ) if ($args->{$_}); |
1823 |
|
} ( @{ $rest->{optional} } ); |
1824 |
|
|
1825 |
|
} |
1826 |
|
|
1827 |
|
my $uri = new URI( $self->{url} ); |
1828 |
|
|
1829 |
|
my $resbody; |
1830 |
|
|
1831 |
|
my $status = $self->shuttle_url( |
1832 |
|
'http://' . $uri->host_port . '/master?action=' . $action , |
1833 |
|
'application/x-www-form-urlencoded', |
1834 |
|
join('&', @args), |
1835 |
|
\$resbody, |
1836 |
|
1, |
1837 |
|
) or confess "shuttle_url failed"; |
1838 |
|
|
1839 |
|
if ($status == $rest->{status}) { |
1840 |
|
|
1841 |
|
# refresh node info after sync |
1842 |
|
$self->_set_info if ($action eq 'sync'); |
1843 |
|
|
1844 |
|
if ($rest->{returns} && wantarray) { |
1845 |
|
|
1846 |
|
my @results; |
1847 |
|
my $fields = $#{$rest->{returns}}; |
1848 |
|
|
1849 |
|
foreach my $line ( split(/[\r\n]/,$resbody) ) { |
1850 |
|
my @e = split(/\t/, $line, $fields + 1); |
1851 |
|
my $row; |
1852 |
|
foreach my $i ( 0 .. $fields) { |
1853 |
|
$row->{ $rest->{returns}->[$i] } = $e[ $i ]; |
1854 |
|
} |
1855 |
|
push @results, $row; |
1856 |
|
} |
1857 |
|
|
1858 |
|
return @results; |
1859 |
|
|
1860 |
|
} elsif ($resbody) { |
1861 |
|
chomp $resbody; |
1862 |
|
return $resbody; |
1863 |
|
} else { |
1864 |
|
return 0E0; |
1865 |
|
} |
1866 |
|
} |
1867 |
|
|
1868 |
|
carp "expected status $rest->{status}, but got $status"; |
1869 |
|
return undef; |
1870 |
|
} |
1871 |
|
|
1872 |
|
=head1 PRIVATE METHODS |
1873 |
|
|
1874 |
|
You could call those directly, but you don't have to. I hope. |
1875 |
|
|
1876 |
|
=head2 _set_info |
1877 |
|
|
1878 |
|
Set information for node |
1879 |
|
|
1880 |
|
$node->_set_info; |
1881 |
|
|
1882 |
|
=cut |
1883 |
|
|
1884 |
|
sub _set_info { |
1885 |
|
my $self = shift; |
1886 |
|
|
1887 |
|
$self->{status} = -1; |
1888 |
|
return unless ($self->{url}); |
1889 |
|
|
1890 |
|
my $resbody; |
1891 |
|
my $rv = $self->shuttle_url( $self->{url} . '/inform', |
1892 |
|
'text/plain', |
1893 |
|
undef, |
1894 |
|
\$resbody, |
1895 |
|
); |
1896 |
|
|
1897 |
|
return if ($rv != 200 || !$resbody); |
1898 |
|
|
1899 |
|
my @lines = split(/[\r\n]/,$resbody); |
1900 |
|
|
1901 |
|
$self->{inform} = {}; |
1902 |
|
|
1903 |
|
( $self->{inform}->{name}, $self->{inform}->{label}, $self->{inform}->{dnum}, |
1904 |
|
$self->{inform}->{wnum}, $self->{inform}->{size} ) = split(/\t/, shift @lines, 5); |
1905 |
|
|
1906 |
|
return $resbody unless (@lines); |
1907 |
|
|
1908 |
|
shift @lines; |
1909 |
|
|
1910 |
|
while(my $admin = shift @lines) { |
1911 |
|
push @{$self->{inform}->{admins}}, $admin; |
1912 |
|
} |
1913 |
|
|
1914 |
|
while(my $guest = shift @lines) { |
1915 |
|
push @{$self->{inform}->{guests}}, $guest; |
1916 |
|
} |
1917 |
|
|
1918 |
|
while(my $link = shift @lines) { |
1919 |
|
push @{$self->{inform}->{links}}, $link; |
1920 |
|
} |
1921 |
|
|
1922 |
|
return $resbody; |
1923 |
|
|
1924 |
|
} |
1925 |
|
|
1926 |
### |
### |
1927 |
|
|
1939 |
|
|
1940 |
Dobrica Pavlinusic, E<lt>dpavlin@rot13.orgE<gt> |
Dobrica Pavlinusic, E<lt>dpavlin@rot13.orgE<gt> |
1941 |
|
|
1942 |
|
Robert Klep E<lt>robert@klep.nameE<gt> contributed refactored search code |
1943 |
|
|
1944 |
=head1 COPYRIGHT AND LICENSE |
=head1 COPYRIGHT AND LICENSE |
1945 |
|
|
1946 |
Copyright (C) 2005 by Dobrica Pavlinusic |
Copyright (C) 2005-2006 by Dobrica Pavlinusic |
1947 |
|
|
1948 |
This library is free software; you can redistribute it and/or modify |
This library is free software; you can redistribute it and/or modify |
1949 |
it under the GPL v2 or later. |
it under the GPL v2 or later. |