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package Plucene::Search::PhrasePositions; |
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=head1 NAME |
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Plucene::Search::PhrasePositions - The position of a phrase |
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=head1 SYNOPSIS |
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my $phpos = Plucene::Search::PhrasePositions->new; |
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my $next = $phpos->next; |
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my $first_pos = $phpos->first_position; |
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my $next_pos = $phpos->next_position; |
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=head1 DESCRIPTION |
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=head1 METHODS |
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=cut |
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use strict; |
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use warnings; |
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use base 'Class::Accessor::Fast'; |
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__PACKAGE__->mk_accessors(qw/ doc position count offset tp next_in_list /); |
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=head2 new |
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my $phpos = Plucene::Search::PhrasePositions->new; |
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Make a new Plucene::Search::PhrasePositions object. |
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=head2 doc / position / count / offset / tp / next |
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Get / set these attibutes. |
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=cut |
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sub new { |
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my $self = shift->SUPER::new(@_); |
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$self->{offset} ||= 0; |
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$self->{position} ||= 0; |
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$self->{count} ||= 0; |
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$self->next; |
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$self; |
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} |
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=head2 next |
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my $next = $phpos->next; |
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=cut |
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sub next { |
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my $self = shift; |
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if (!$self->{tp}->next) { |
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$self->doc(~0); |
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return; |
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} |
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$self->doc($self->tp->doc); |
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$self->position(0); |
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} |
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=head2 first_position |
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my $first = $phpos->first_position; |
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=cut |
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sub first_position { |
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1
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my $self = shift; |
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$self->count($self->tp->freq); |
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$self->next_position; |
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} |
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=head2 next_position |
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my $next_pos = $phpos->next_position; |
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81
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=cut |
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sub next_position { |
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521
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521
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1
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2177
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my $self = shift; |
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521
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100
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1862
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return unless $self->{count}-- > 0; |
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460
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$self->position($self->tp->next_position - $self->offset); |
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} |
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1; |