use POSIX;
use HTML::Entities;
use DB_File;
+use Lingua::Stem v0.82;
+use Search::Xapian qw(:ops);
use Deb::Versions;
use Packages::CGI;
our @EXPORT_OK = qw( read_entry read_entry_all read_entry_simple
read_src_entry read_src_entry_all find_binaries
- do_names_search do_fulltext_search
+ do_names_search do_fulltext_search do_xapian_search
);
our %EXPORT_TAGS = ( all => [ @EXPORT_OK ] );
#FIXME: make configurable
my %fallback_suites = (
+ 'oldstable-backports' => 'oldstable',
+ 'oldstable-volatile' => 'oldstable',
'stable-backports' => 'stable',
'stable-volatile' => 'stable',
experimental => 'unstable' );
}
}
+sub do_xapian_search {
+ my ($keywords, $db, $did2pkg, $packages, $read_entry, $opts,
+ $results, $non_results) = @_;
+
+# NOTE: this needs to correspond with parse-packages!
+ my @tmp;
+ foreach my $keyword (@$keywords) {
+ $keyword =~ tr [A-Z] [a-z];
+ if ($opts->{exact}) {
+ $keyword = " $keyword ";
+ }
+ $keyword =~ s/[(),.-]+//og;
+ $keyword =~ s;[^a-z0-9_/+]+; ;og;
+ push @tmp, $keyword;
+ }
+ my $stemmer = Lingua::Stem->new();
+ $keywords = $stemmer->stem( @tmp );
+
+ my $db = Search::Xapian::Database->new( $db );
+ my $enq = $db->enquire( OP_AND, @$keywords );
+ debug( "Xapian Query was: ".$enq->get_query()->get_description(), 1) if DEBUG;
+ my @matches = $enq->matches(0, 100);
+
+ my $numres = 0;
+ my %tmp_results;
+ foreach my $match ( @matches ) {
+ my $id = $match->get_docid();
+ my $result = $did2pkg->{$id};
+
+ foreach (split /\000/o, $result) {
+ my @data = split /\s/, $_, 3;
+# debug ("Considering $data[0], arch = $data[2]", 3) if DEBUG;
+# next unless $data[2] eq 'all' || $opts->{h_archs}{$data[2]};
+# debug ("Ok", 3) if DEBUG;
+ $numres++ unless $tmp_results{$data[0]}++;
+ }
+ last if $numres > 100;
+ }
+ undef $db;
+ $too_many_hits++ if $numres > 100;
+
+ foreach my $pkg (keys %tmp_results) {
+ &$read_entry( $packages, $pkg, $results, $non_results, $opts );
+ }
+}
+
sub find_binaries {
my ($pkg, $archive, $suite, $src2bin) = @_;