/[Search-Estraier]/trunk/lib/Search/Estraier.pm

This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!

Diff of /trunk/lib/Search/Estraier.pm

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-revision 47 by dpavlin,
Fri Jan  6 01:51:28 2006 UTC
+revision 51 by dpavlin,
Fri Jan  6 13:19:50 2006 UTC
 Line 692 
 use Carp qw/carp croak confess/;
  use URI;
  use MIME::Base64;
  use IO::Socket::INET;
+ use URI::Escape qw/uri_escape/;
  =head1 Search::Estraier::Node
-Line 866 
 sub out_doc_by_uri {
+Line 867 
 sub out_doc_by_uri {
          return unless ($self->{url});
          $self->shuttle_url( $self->{url} . '/out_doc',
                  'application/x-www-form-urlencoded',
-                 "uri=$uri",
+                 "uri=" . uri_escape($uri),
                  undef
          ) == 200;
  }
-Line 928 
 sub get_doc_by_uri {
+Line 929 
 sub get_doc_by_uri {
  }
+ =head2 get_doc_attr
+ Retrieve the value of an atribute from object
+   my $val = $node->get_doc_attr( document_id, 'attribute_name' ) or
+         die "can't get document attribute";
+ =cut
+ sub get_doc_attr {
+         my $self = shift;
+         my ($id,$name) = @_;
+         return unless ($id && $name);
+         return $self->_fetch_doc( id => $id, attr => $name );
+ }
+ =head2 get_doc_attr_by_uri
+ Retrieve the value of an atribute from object
+   my $val = $node->get_doc_attr_by_uri( document_id, 'attribute_name' ) or
+         die "can't get document attribute";
+ =cut
+ sub get_doc_attr_by_uri {
+         my $self = shift;
+         my ($uri,$name) = @_;
+         return unless ($uri && $name);
+         return $self->_fetch_doc( uri => $uri, attr => $name );
+ }
  =head2 etch_doc
  Exctract document keywords
-Line 936 
 Exctract document keywords
+Line 971 
 Exctract document keywords
  =cut
- sub erch_doc {
+ sub etch_doc {
          my $self = shift;
          my $id = shift || return;
          return $self->_fetch_doc( id => $id, etch => 1 );
-Line 987 
 C<etch_doc>, C<etch_doc_by_uri>.
+Line 1022 
 C<etch_doc>, C<etch_doc_by_uri>.
   my $doc = $node->_fetch_doc( id => 42, etch => 1 );
   my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', etch => 1 );
+  # to get document attrubute add attr
+  my $doc = $node->_fetch_doc( id => 42, attr => '@mdate' );
+  my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', attr => '@mdate' );
   # more general form which allows implementation of
   # uri_to_id
   my $id = $node->_fetch_doc(
-Line 1011 
 sub _fetch_doc {
+Line 1050 
 sub _fetch_doc {
                  croak "id must be numberm not '$a->{id}'" unless ($a->{id} =~ m/^\d+$/);
                  $arg = 'id=' . $a->{id};
          } elsif ($a->{uri}) {
-                 $arg = 'uri=' . $a->{uri};
+                 $arg = 'uri=' . uri_escape($a->{uri});
          } else {
                  confess "unhandled argument. Need id or uri.";
          }
+         if ($a->{attr}) {
+                 $path = '/get_doc_attr';
+                 $arg .= '&attr=' . uri_escape($a->{attr});
+                 $a->{chomp_resbody} = 1;
+         }
          my $rv = $self->shuttle_url( $self->{url} . $path,
                  'application/x-www-form-urlencoded',
                  $arg,
-Line 1042 
 sub _fetch_doc {
+Line 1087 
 sub _fetch_doc {
  }
+ =head2 name
+   my $node_name = $node->name;
+ =cut
+ sub name {
+         my $self = shift;
+         $self->set_info unless ($self->{name});
+         return $self->{name};
+ }
+ =head2 label
+   my $node_label = $node->label;
+ =cut
+ sub label {
+         my $self = shift;
+         $self->set_info unless ($self->{label});
+         return $self->{label};
+ }
+ =head2 doc_num
+   my $documents_in_node = $node->doc_num;
+ =cut
+ sub doc_num {
+         my $self = shift;
+         $self->set_info if ($self->{dnum} < 0);
+         return $self->{dnum};
+ }
+ =head2 word_num
+   my $words_in_node = $node->word_num;
+ =cut
+ sub word_num {
+         my $self = shift;
+         $self->set_info if ($self->{wnum} < 0);
+         return $self->{wnum};
+ }
+ =head2 size
+   my $node_size = $node->size;
+ =cut
+ sub size {
+         my $self = shift;
+         $self->set_info if ($self->{size} < 0);
+         return $self->{size};
+ }
+ =head2 search
+ Search documents which match condition
+   my $nres = $node->search( $cond, $depth );
+ C<$cond> is C<Search::Estraier::Condition> object, while <$depth> specifies
+ depth for meta search.
+ Function results C<Search::Estraier::NodeResult> object.
+ =cut
+ sub search {
+         my $self = shift;
+         my ($cond, $depth) = @_;
+         return unless ($cond && defined($depth) && $self->{url});
+         croak "cond mush be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition'));
+         croak "depth needs number, not '$depth'" unless ($depth =~ m/^\d+$/);
+ }
+ =head2 cond_to_query
+   my $args = $node->cond_to_query( $cond );
+ =cut
+ sub cond_to_query {
+         my $self = shift;
+         my $cond = shift || return;
+         croak "condition must be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition'));
+         my @args;
+         if (my $phrase = $cond->phrase) {
+                 push @args, 'phrase=' . uri_escape($phrase);
+         }
+         if (my @attrs = $cond->attrs) {
+                 for my $i ( 0 .. $#attrs ) {
+                         push @args,'attr' . ($i+1) . '=' . uri_escape( $attrs[$i] );
+                 }
+         }
+         if (my $order = $cond->order) {
+                 push @args, 'order=' . uri_escape($order);
+         }
+         if (my $max = $cond->max) {
+                 push @args, 'max=' . $max;
+         } else {
+                 push @args, 'max=' . (1 << 30);
+         }
+         if (my $options = $cond->options) {
+                 push @args, 'options=' . $options;
+         }
+         push @args, 'depth=' . $self->{depth} if ($self->{depth});
+         push @args, 'wwidth=' . $self->{wwidth};
+         push @args, 'hwidth=' . $self->{hwidth};
+         push @args, 'awidth=' . $self->{awidth};
+         return join('&', @args);
+ }
  =head2 shuttle_url
-Line 1155 
 sub shuttle_url {
+Line 1334 
 sub shuttle_url {
          return $self->{status};
  }
+ =head2 set_info
+ Set information for node
+   $node->set_info;
+ =cut
+ sub set_info {
+         my $self = shift;
+         $self->{status} = -1;
+         return unless ($self->{url});
+         my $resbody;
+         my $rv = $self->shuttle_url( $self->{url} . '/inform',
+                 'text/plain',
+                 undef,
+                 \$resbody,
+         );
+         return if ($rv != 200 || !$resbody);
+         chomp($resbody);
+         ( $self->{name}, $self->{label}, $self->{dnum}, $self->{wnum}, $self->{size} ) =
+                 split(/\t/, $resbody, 5);
+ }
  ###
  =head1 EXPORT

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