use strict;
use warnings;
-use CGI qw( -oldstyle_urls );
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 @ISA = qw( Exporter );
-our @EXPORT_OK = qw( nextlink prevlink indexline
- resperpagelink
- read_entry read_entry_all read_entry_simple
+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
- printindexline multipageheader );
+ do_names_search do_fulltext_search do_xapian_search
+ );
our %EXPORT_TAGS = ( all => [ @EXPORT_OK ] );
our $VERSION = 0.01;
-our $USE_PAGED_MODE = 1;
-use constant DEFAULT_PAGE => 1;
-use constant DEFAULT_RES_PER_PAGE => 50;
-our %page_params = ( page => { default => DEFAULT_PAGE,
- match => '(\d+)' },
- number => { default => DEFAULT_RES_PER_PAGE,
- match => '(\d+)' } );
-
our $too_many_hits = 0;
-sub parse_params {
- my ( $cgi, $params_def, $opts ) = @_;
-
- my %params_ret = ( values => {}, errors => {} );
- my %params;
- if ($USE_PAGED_MODE) {
- debug( "Use PAGED_MODE", 2 );
- %params = %$params_def;
- foreach (keys %page_params) {
- delete $params{$_};
- }
- %params = ( %params, %page_params );
- } else {
- %params = %$params_def;
- }
-
- foreach my $param ( keys %params ) {
-
- debug( "Param <strong>$param</strong>", 2 );
-
- my $p_value_orig = $cgi->param($param);
-
- if (!defined($p_value_orig)
- && defined $params_def->{$param}{alias}
- && defined $cgi->param($params_def->{$param}{alias})) {
- $p_value_orig = $cgi->param($params_def->{$param}{alias});
- debug( "Used alias <strong>$params_def->{$param}{alias}</strong>",
- 2 );
- }
-
- my @p_value = ($p_value_orig);
-
- debug( "Value (Orig) ".($p_value_orig||""), 2 );
-
- if ($params_def->{$param}{array} && defined $p_value_orig) {
- @p_value = split /$params_def->{$param}{array}/, $p_value_orig;
- debug( "Value (Array Split) ". join('##',@p_value), 2 );
- }
-
- if ($params_def->{$param}{match} && defined $p_value_orig) {
- @p_value = map
- { $_ =~ m/$params_def->{$param}{match}/; $_ = $1 }
- @p_value;
- }
- @p_value = grep { defined $_ } @p_value;
-
- debug( "Value (Match) ". join('##',@p_value), 2 );
-
- unless (@p_value) {
- if (defined $params{$param}{default}) {
- @p_value = ($params{$param}{default});
- } else {
- @p_value = undef;
- $params_ret{errors}{$param} = "undef";
- next;
- }
- }
-
- debug( "Value (Default) ". join('##',@p_value), 2 );
- my @p_value_no_replace = @p_value;
-
- if ($params{$param}{replace} && @p_value) {
- @p_value = ();
- foreach my $pattern (keys %{$params{$param}{replace}}) {
- foreach (@p_value_no_replace) {
- if ($_ eq $pattern) {
- my $replacement = $params{$param}{replace}{$_};
- if (ref $replacement) {
- push @p_value, @$replacement;
- } else {
- push @p_value, $replacement;
- }
- } else {
- push @p_value, $_;
- }
- }
- }
- }
-
- debug( "Value (Final) ". join('##',@p_value), 2 );
-
- if ($params_def->{$param}{array}) {
- $params_ret{values}{$param} = {
- orig => $p_value_orig,
- no_replace => \@p_value_no_replace,
- final => \@p_value,
- };
- @{$params_def->{$param}{var}} = @p_value
- if $params_def->{$param}{var};
- } else {
- $params_ret{values}{$param} = {
- orig => $p_value_orig,
- no_replace => $p_value_no_replace[0],
- final => $p_value[0],
- };
- ${$params_def->{$param}{var}} = $p_value[0]
- if $params_def->{$param}{var};
- }
- $opts->{$param} = $params_ret{values}{$param}{final} if $opts;
- }
-
- if ($USE_PAGED_MODE) {
- $cgi->delete( "page" );
- $cgi->delete( "number" );
- }
-
- return %params_ret;
-}
-
-sub start {
- my $params = shift;
-
- my $page = $params->{values}{page}{final}
- || DEFAULT_PAGE;
- my $res_per_page = $params->{values}{number}{final}
- || DEFAULT_RES_PER_PAGE;
-
- return 1 if $res_per_page =~ /^all$/i;
- return $res_per_page * ($page - 1) + 1;
-}
-
-sub end {
- my $params = shift;
-
- use Data::Dumper;
- debug( "end: ".Dumper($params) );
- my $page = $params->{page}
- || DEFAULT_PAGE;
- my $res_per_page = $params->{number}
- || DEFAULT_RES_PER_PAGE;
-
- return $page * $res_per_page;
-}
-
-sub indexline {
- my ($cgi, $params, $num_res) = @_;
-
- my $index_line = "";
- my $page = $params->{page}
- || DEFAULT_PAGE;
- my $res_per_page = $params->{number}
- || DEFAULT_RES_PER_PAGE;
- my $numpages = ceil($num_res /
- $res_per_page);
- for (my $i = 1; $i <= $numpages; $i++) {
- if ($i == $page) {
- $index_line .= $i;
- } else {
- $index_line .= "<a href=\"".encode_entities($cgi->self_url).
- "&page=$i&number=$res_per_page\">".
- "$i</a>";
- }
- if ($i < $numpages) {
- $index_line .= " | ";
- }
- }
- return $index_line;
-}
-
-sub nextlink {
- my ($cgi, $params, $no_results ) = @_;
-
- my $page = $params->{page}
- || DEFAULT_PAGE;
- $page++;
- my $res_per_page = $params->{number}
- || DEFAULT_RES_PER_PAGE;
-
- if ((($page-1)*$res_per_page + 1) > $no_results) {
- return ">>";
- }
-
- return "<a href=\"".encode_entities($cgi->self_url).
- "&page=$page&number=$res_per_page\">>></a>";
-}
-
-sub prevlink {
- my ($cgi, $params ) = @_;
-
- my $page = $params->{page}
- || DEFAULT_PAGE;
- $page--;
- if (!$page) {
- return "<<";
- }
-
- my $res_per_page = $params->{number}
- || DEFAULT_RES_PER_PAGE;
-
- return "<a href=\"".encode_entities($cgi->self_url).
- "&page=$page&number=$res_per_page\"><<</a>";
-}
-
-sub resperpagelink {
- my ($cgi, $params, $res_per_page ) = @_;
-
- my $page;
- if ($res_per_page =~ /^all$/i) {
- $page = 1;
- } else {
- $page = ceil(start( $params ) / $res_per_page);
- }
-
- return "<a href=\"".encode_entities($cgi->self_url).
- "&page=$page&number=$res_per_page\">$res_per_page</a>";
-}
-
-sub printindexline {
- my ( $input, $no_results, $opts ) = @_;
-
- my $index_line;
- if ($no_results > $opts->{number}) {
-
- $index_line = prevlink( $input, $opts)." | ".
- indexline( $input, $opts, $no_results)." | ".
- nextlink( $input, $opts, $no_results);
-
- print "<p style=\"text-align:center\">$index_line</p>";
- }
-}
-
-sub multipageheader {
- my ( $input, $no_results, $opts ) = @_;
-
- my ($start, $end);
- if ($opts->{number} =~ /^all$/i) {
- $start = 1;
- $end = $no_results;
- $opts->{number} = $no_results;
- $opts->{number_all}++;
- } else {
- $start = Packages::Search::start( $opts );
- $end = Packages::Search::end( $opts );
- if ($end > $no_results) { $end = $no_results; }
- }
-
- print "<p>Found <em>$no_results</em> matching packages,";
- if ($end == $start) {
- print " displaying package $end.</p>";
- } else {
- print " displaying packages $start to $end.</p>";
- }
-
- printindexline( $input, $no_results, $opts );
-
- if ($no_results > 100) {
- print "<p>Results per page: ";
- my @resperpagelinks;
- for (50, 100, 200) {
- if ($opts->{number} == $_) {
- push @resperpagelinks, $_;
- } else {
- push @resperpagelinks, resperpagelink($input,$opts,$_);
- }
- }
- if ($opts->{number_all}) {
- push @resperpagelinks, "all";
+sub read_entry_all {
+ my ($hash, $key, $results, $non_results, $opts) = @_;
+ my ($virt, $result) = split /\000/o, $hash->{$key} || "-\01-", 2;
+
+ my %virt = split /\01/o, $virt;
+ while (my ($suite, $provides) = each %virt) {
+ next if $suite eq '-';
+ if ($opts->{h_suites}{$suite}) {
+ push @$results, [ $key, "-", $suite, 'virtual', 'v', 'v', 'v', 'v',
+ $provides];
} else {
- push @resperpagelinks, resperpagelink($input, $opts, "all");
+ push @$non_results, [ $key, "-", $suite, 'virtual', 'v', 'v', 'v', 'v',
+ $provides];
}
- print join( " | ", @resperpagelinks )."</p>";
}
- return ( $start, $end );
-}
-sub read_entry_all {
- my ($hash, $key, $results, $non_results, $opts) = @_;
- my $result = $hash->{$key} || '';
foreach (split /\000/o, $result) {
my @data = split ( /\s/o, $_, 8 );
- debug( "Considering entry ".join( ':', @data), 2);
- if ($opts->{h_archives}{$data[0]} && $opts->{h_suites}{$data[1]}
- && ($opts->{h_archs}{$data[2]} || $data[2] eq 'all'
- || $data[2] eq 'virtual')
- && ($opts->{h_sections}{$data[3]} || $data[3] eq 'v')) {
- debug( "Using entry ".join( ':', @data), 2);
+ debug( "Considering entry ".join( ':', @data), 2) if DEBUG;
+ if ($opts->{h_suites}{$data[1]}
+ && ($opts->{h_archs}{$data[2]} || $data[2] eq 'all')
+ && $opts->{h_sections}{$data[3]}) {
+ debug( "Using entry ".join( ':', @data), 2) if DEBUG;
push @$results, [ $key, @data ];
} else {
push @$non_results, [ $key, @data ];
my @non_results;
read_entry_all( $hash, $key, $results, \@non_results, $opts );
}
+
+#FIXME: make configurable
+my %fallback_suites = (
+ 'oldstable-backports' => 'oldstable',
+ 'oldstable-volatile' => 'oldstable',
+ 'stable-backports' => 'stable',
+ 'stable-volatile' => 'stable',
+ experimental => 'unstable' );
+
sub read_entry_simple {
my ($hash, $key, $archives, $suite) = @_;
- my $result = $hash->{$key} || '';
- my @data_fuzzy;
+ # FIXME: drop $archives
+
+ my ($virt, $result) = split /\000/o, $hash->{$key} || "-\01-\0", 2;
+ my %virt = split /\01/o, $virt;
+ debug( "read_entry_simple: key=$key, archives=".
+ join(" ",(keys %$archives)).", suite=$suite", 1) if DEBUG;
+ debug( "read_entry_simple: virt=".join(" ",(%virt)), 2) if DEBUG;
+ # FIXME: not all of the 2^4=16 combinations of empty(results),
+ # empty(virt{suite}), empty(fb_result), empty(virt{fb_suite}) are dealt
+ # with correctly, but it's adequate enough for now
+ return [ $virt{$suite} ] unless defined $result;
foreach (split /\000/o, $result) {
my @data = split ( /\s/o, $_, 8 );
- debug( "Considering entry ".join( ':', @data), 2);
- if ($data[1] eq $suite) {
- if ($archives->{$data[0]}) {
- debug( "Using entry ".join( ':', @data), 2);
- return \@data;
- } elsif ($data[0] eq 'us') {
- debug( "Fuzzy entry ".join( ':', @data), 2);
- @data_fuzzy = @data;
- }
- }
+ debug( "use entry: @data", 2 ) if DEBUG && $data[1] eq $suite;
+ return [ $virt{$suite}, @data ] if $data[1] eq $suite;
+ }
+ if (my $fb_suite = $fallback_suites{$suite}) {
+ my $fb_result = read_entry_simple( $hash, $key, $archives, $fb_suite );
+ my $fb_virt = shift(@$fb_result);
+ $virt{$suite} .= $virt{$suite} ? " $fb_virt" : $fb_virt if $fb_virt;
+ return [ $virt{$suite}, @$fb_result ] if @$fb_result;
}
- return \@data_fuzzy;
+ return [ $virt{$suite} ];
}
+
sub read_src_entry_all {
my ($hash, $key, $results, $non_results, $opts) = @_;
my $result = $hash->{$key} || '';
+ debug( "read_src_entry_all: key=$key", 1) if DEBUG;
foreach (split /\000/o, $result) {
my @data = split ( /\s/o, $_, 6 );
- debug( "Considering entry ".join( ':', @data), 2);
+ debug( "Considering entry ".join( ':', @data), 2) if DEBUG;
if ($opts->{h_archives}{$data[0]}
&& $opts->{h_suites}{$data[1]}
&& $opts->{h_sections}{$data[2]}) {
- debug( "Using entry ".join( ':', @data), 2);
+ debug( "Using entry ".join( ':', @data), 2) if DEBUG;
push @$results, [ $key, @data ];
} else {
push @$non_results, [ $key, @data ];
read_src_entry_all( $hash, $key, $results, \@non_results, $opts );
}
sub do_names_search {
- my ($keyword, $packages, $postfixes, $read_entry, $opts) = @_;
- my @results;
+ my ($keywords, $packages, $postfixes, $read_entry, $opts,
+ $results, $non_results) = @_;
- $keyword = lc $keyword unless $opts->{case_bool};
+ my $first_keyword = lc shift @$keywords;
+ @$keywords = map { lc $_ } @$keywords;
- if ($opts->{exact}) {
- &$read_entry( $packages, $keyword, \@results, $opts );
- } else {
- my ($key, $prefixes) = ($keyword, '');
- my %pkgs;
- $postfixes->seq( $key, $prefixes, R_CURSOR );
- while (index($key, $keyword) >= 0) {
- if ($prefixes =~ /^\001(\d+)/o) {
- $too_many_hits += $1;
- } else {
- foreach (split /\000/o, $prefixes) {
- $_ = '' if $_ eq '^';
- debug( "add word $_$key", 2);
- $pkgs{$_.$key}++;
+ my ($key, $prefixes) = ($first_keyword, '');
+ my %pkgs;
+ $postfixes->seq( $key, $prefixes, R_CURSOR );
+ while (index($key, $first_keyword) >= 0) {
+ if ($prefixes =~ /^\001(\d+)/o) {
+ debug( "$key has too many hits", 2 ) if DEBUG;
+ $too_many_hits += $1;
+ } else {
+ PREFIX:
+ foreach (split /\000/o, $prefixes) {
+ $_ = '' if $_ eq '^';
+ my $word = "$_$key";
+ foreach my $k (@$keywords) {
+ next PREFIX unless $word =~ /\Q$k\E/;
}
+ debug( "add word $word", 2) if DEBUG;
+ $pkgs{$word}++;
}
- last if $postfixes->seq( $key, $prefixes, R_NEXT ) != 0;
- last if $too_many_hits or keys %pkgs >= 100;
- }
-
- my $no_results = keys %pkgs;
- if ($too_many_hits || ($no_results >= 100)) {
- $too_many_hits += $no_results;
- %pkgs = ( $keyword => 1 );
- }
- foreach my $pkg (sort keys %pkgs) {
- &$read_entry( $packages, $pkg, \@results, $opts );
}
+ last if $postfixes->seq( $key, $prefixes, R_NEXT ) != 0;
+ last if $too_many_hits or keys %pkgs >= 100;
+ }
+
+ my $no_results = keys %pkgs;
+ if ($too_many_hits || ($no_results >= 100)) {
+ $too_many_hits += $no_results;
+ %pkgs = ( $first_keyword => 1 ) unless @$keywords;
+ }
+ foreach my $pkg (sort keys %pkgs) {
+ &$read_entry( $packages, $pkg, $results, $non_results, $opts );
}
- return \@results;
}
-sub do_fulltext_search {
- my ($keyword, $file, $did2pkg, $packages, $read_entry, $opts) = @_;
- my @results;
+
+sub do_xapian_search {
+ my ($keywords, $db, $did2pkg, $packages, $read_entry, $opts,
+ $results, $non_results) = @_;
# NOTE: this needs to correspond with parse-packages!
- my @lines;
- $keyword =~ tr [A-Z] [a-z];
- if ($opts->{exact}) {
- $keyword = " $keyword ";
- }
- $keyword =~ s/[(),.-]+//og;
- $keyword =~ s#[^a-z0-9_/+]+# #og;
-
- open DESC, '<', "$file"
- or die "couldn't open $file: $!";
- while (<DESC>) {
- next if index $_, $keyword < 0;
- debug( "Matched line $.", 2);
- push @lines, $.;
+ 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;
}
- close DESC;
+ 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 $l (@lines) {
- my $result = $did2pkg->{$l};
+ foreach my $match ( @matches ) {
+ my $id = $match->get_docid();
+ my $result = $did2pkg->{$id};
+
foreach (split /\000/o, $result) {
my @data = split /\s/, $_, 3;
- next unless $opts->{h_archs}{$data[2]};
- $tmp_results{$data[0]}++;
+# 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, $opts );
+ &$read_entry( $packages, $pkg, $results, $non_results, $opts );
}
- return \@results;
}
sub find_binaries {
foreach (split /\000/o, $bins) {
my @data = split /\s/, $_, 5;
- debug( "find_binaries: considering @data", 3 );
+ debug( "find_binaries: considering @data", 3 ) if DEBUG;
if (($data[0] eq $archive)
&& ($data[1] eq $suite)) {
$bins{$data[2]}++;
- debug( "find_binaries: using @data", 3 );
+ debug( "find_binaries: using @data", 3 ) if DEBUG;
}
}
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