egdb3_11_7.search

Parameters

Name	Type	Mode
word_data	search.symspell_lookup_output[]	IN
pos_data	search.query_parse_position[]	IN
skip_correct	boolean	IN
max_words	integer	IN
suggestion	text	TABLE
test	text	TABLE

Definition

my $word_data = shift;
    my $pos_data = shift;
    my $skip_correct = shift;
    my $max_per_word = shift;
    return undef unless (@$word_data and @$pos_data);

my $last_word_pos = $$word_data[-1]{word_pos};
    my $pos_to_word_map = [ map { [] } 0 .. $last_word_pos ];
    my $parsed_query_data = { map { ($$_{word_pos} => $_) } @$pos_data };

for my $row (@$word_data) {
        my $wp = +$$row{word_pos};
        next if (
            $skip_correct eq 't' and $$row{lev_distance} > 0
            and @{$$pos_to_word_map[$wp]}
            and $$pos_to_word_map[$wp][0]{lev_distance} == 0
        );
        push @{$$pos_to_word_map[$$row{word_pos}]}, $row;
    }

gen_step($max_per_word, $pos_to_word_map, $parsed_query_data, $last_word_pos);
    return undef;

# -----------------------------
    sub gen_step {
        my $max_words = shift;
        my $data = shift;
        my $pos_data = shift;
        my $last_pos = shift;
        my $prefix = shift || '';
        my $test_prefix = shift || '';
        my $current_pos = shift || 0;

my $word_count = 0;
        for my $sugg ( @{$$data[$current_pos]} ) {
            my $was_inside_phrase = 0;
            my $now_inside_phrase = 0;

my $word = $$sugg{suggestion};
            $word_count++;

my $prev_phrase = $$pos_data{$current_pos - 1}{phrase_in_input_pos};
            my $curr_phrase = $$pos_data{$current_pos}{phrase_in_input_pos};
            my $next_phrase = $$pos_data{$current_pos + 1}{phrase_in_input_pos};

$now_inside_phrase++ if (defined($next_phrase) and $curr_phrase == $next_phrase);
            $was_inside_phrase++ if (defined($prev_phrase) and $curr_phrase == $prev_phrase);

my $string = $prefix;
            $string .= ' ' if $string;

if (!$was_inside_phrase) { # might be starting a phrase?
                $string .= '-' if ($$pos_data{$current_pos}{negated} eq 't');
                if ($now_inside_phrase) { # we are! add the double-quote
                    $string .= '"';
                }
                $string .= $word;
            } else { # definitely were in a phrase
                $string .= $word;
                if (!$now_inside_phrase) { # we are not any longer, add the double-quote
                    $string .= '"';
                }
            }

my $test_string = $test_prefix;
            if ($current_pos > 0) { # have something already, need joiner
                $test_string .= $curr_phrase == $prev_phrase ? ' <-> ' : ' & ';
            }
            $test_string .= '!' if ($$pos_data{$current_pos}{negated} eq 't');
            $test_string .= $word;

if ($current_pos == $last_pos) {
                return_next {suggestion => $string, test => $test_string};
            } else {
                gen_step($max_words, $data, $pos_data, $last_pos, $string, $test_string, $current_pos + 1);
            }
            
            last if ($max_words and $word_count >= $max_words);
        }
    }

symspell_generate_combined_suggestions(word_data search.symspell_lookup_output[], pos_data search.query_parse_position[], skip_correct boolean DEFAULT true, max_words integer DEFAULT 0)

Parameters

Definition