4 # Copyright (C) 2004-2006 Frank Lichtenheld <frank@lichtenheld.de>
6 # The code is based on the old search_packages.pl script that
9 # Copyright (C) 1998 James Treacy
10 # Copyright (C) 2000, 2001 Josip Rodin
11 # Copyright (C) 2001 Adam Heath
12 # Copyright (C) 2004 Martin Schulze
14 # This program is free software; you can redistribute it and/or modify
15 # it under the terms of the GNU General Public License as published by
16 # the Free Software Foundation; either version 1 of the License, or
17 # (at your option) any later version.
19 # This program is distributed in the hope that it will be useful,
20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 # GNU General Public License for more details.
24 # You should have received a copy of the GNU General Public License
25 # along with this program; if not, write to the Free Software
26 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
41 package Packages::Search;
46 use CGI qw( -oldstyle_urls );
55 our @ISA = qw( Exporter );
57 our @EXPORT_OK = qw( read_entry read_entry_all read_entry_simple
58 read_src_entry read_src_entry_all find_binaries
59 do_names_search do_fulltext_search
61 our %EXPORT_TAGS = ( all => [ @EXPORT_OK ] );
65 our $USE_PAGED_MODE = 1;
66 use constant DEFAULT_PAGE => 1;
67 use constant DEFAULT_RES_PER_PAGE => 50;
68 our %page_params = ( page => { default => DEFAULT_PAGE,
70 number => { default => DEFAULT_RES_PER_PAGE,
73 our $too_many_hits = 0;
76 my ( $cgi, $params_def, $opts ) = @_;
78 my %params_ret = ( values => {}, errors => {} );
80 if ($USE_PAGED_MODE) {
81 debug( "Use PAGED_MODE", 2 );
82 %params = %$params_def;
83 foreach (keys %page_params) {
86 %params = ( %params, %page_params );
88 %params = %$params_def;
91 foreach my $param ( keys %params ) {
93 debug( "Param <strong>$param</strong>", 2 );
95 my $p_value_orig = $cgi->param($param);
97 if (!defined($p_value_orig)
98 && defined $params_def->{$param}{alias}
99 && defined $cgi->param($params_def->{$param}{alias})) {
100 $p_value_orig = $cgi->param($params_def->{$param}{alias});
101 debug( "Used alias <strong>$params_def->{$param}{alias}</strong>",
105 my @p_value = ($p_value_orig);
107 debug( "Value (Orig) ".($p_value_orig||""), 2 );
109 if ($params_def->{$param}{array} && defined $p_value_orig) {
110 @p_value = split /$params_def->{$param}{array}/, $p_value_orig;
111 debug( "Value (Array Split) ". join('##',@p_value), 2 );
114 if ($params_def->{$param}{match} && defined $p_value_orig) {
116 { $_ =~ m/$params_def->{$param}{match}/; $_ = $1 }
119 @p_value = grep { defined $_ } @p_value;
121 debug( "Value (Match) ". join('##',@p_value), 2 );
124 if (defined $params{$param}{default}) {
125 @p_value = ($params{$param}{default});
128 $params_ret{errors}{$param} = "undef";
133 debug( "Value (Default) ". join('##',@p_value), 2 );
134 my @p_value_no_replace = @p_value;
136 if ($params{$param}{replace} && @p_value) {
138 foreach my $pattern (keys %{$params{$param}{replace}}) {
139 foreach (@p_value_no_replace) {
140 if ($_ eq $pattern) {
141 my $replacement = $params{$param}{replace}{$_};
142 if (ref $replacement) {
143 push @p_value, @$replacement;
145 push @p_value, $replacement;
154 debug( "Value (Final) ". join('##',@p_value), 2 );
156 if ($params_def->{$param}{array}) {
157 $params_ret{values}{$param} = {
158 orig => $p_value_orig,
159 no_replace => \@p_value_no_replace,
162 @{$params_def->{$param}{var}} = @p_value
163 if $params_def->{$param}{var};
165 $params_ret{values}{$param} = {
166 orig => $p_value_orig,
167 no_replace => $p_value_no_replace[0],
168 final => $p_value[0],
170 ${$params_def->{$param}{var}} = $p_value[0]
171 if $params_def->{$param}{var};
173 $opts->{$param} = $params_ret{values}{$param}{final} if $opts;
176 if ($USE_PAGED_MODE) {
177 $cgi->delete( "page" );
178 $cgi->delete( "number" );
187 my $page = $params->{values}{page}{final}
189 my $res_per_page = $params->{values}{number}{final}
190 || DEFAULT_RES_PER_PAGE;
192 return 1 if $res_per_page =~ /^all$/i;
193 return $res_per_page * ($page - 1) + 1;
200 debug( "end: ".Dumper($params) );
201 my $page = $params->{page}
203 my $res_per_page = $params->{number}
204 || DEFAULT_RES_PER_PAGE;
206 return $page * $res_per_page;
210 my ($cgi, $params, $num_res) = @_;
213 my $page = $params->{page}
215 my $res_per_page = $params->{number}
216 || DEFAULT_RES_PER_PAGE;
217 my $numpages = ceil($num_res /
219 for (my $i = 1; $i <= $numpages; $i++) {
223 $index_line .= "<a href=\"".encode_entities($cgi->self_url).
224 "&page=$i&number=$res_per_page\">".
227 if ($i < $numpages) {
228 $index_line .= " | ";
235 my ($cgi, $params, $no_results ) = @_;
237 my $page = $params->{page}
240 my $res_per_page = $params->{number}
241 || DEFAULT_RES_PER_PAGE;
243 if ((($page-1)*$res_per_page + 1) > $no_results) {
247 return "<a href=\"".encode_entities($cgi->self_url).
248 "&page=$page&number=$res_per_page\">>></a>";
252 my ($cgi, $params ) = @_;
254 my $page = $params->{page}
261 my $res_per_page = $params->{number}
262 || DEFAULT_RES_PER_PAGE;
264 return "<a href=\"".encode_entities($cgi->self_url).
265 "&page=$page&number=$res_per_page\"><<</a>";
269 my ($cgi, $params, $res_per_page ) = @_;
272 if ($res_per_page =~ /^all$/i) {
275 $page = ceil(start( $params ) / $res_per_page);
278 return "<a href=\"".encode_entities($cgi->self_url).
279 "&page=$page&number=$res_per_page\">$res_per_page</a>";
283 my ( $input, $no_results, $opts ) = @_;
286 if ($no_results > $opts->{number}) {
288 $index_line = prevlink( $input, $opts)." | ".
289 indexline( $input, $opts, $no_results)." | ".
290 nextlink( $input, $opts, $no_results);
292 print "<p style=\"text-align:center\">$index_line</p>";
296 #sub multipageheader {
297 # my ( $input, $no_results, $opts ) = @_;
300 # if ($opts->{number} =~ /^all$/i) {
302 # $end = $no_results;
303 # $opts->{number} = $no_results;
304 # $opts->{number_all}++;
306 # $start = Packages::Search::start( $opts );
307 # $end = Packages::Search::end( $opts );
308 # if ($end > $no_results) { $end = $no_results; }
311 # print "<p>Found <em>$no_results</em> matching packages,";
312 # if ($end == $start) {
313 # print " displaying package $end.</p>";
315 # print " displaying packages $start to $end.</p>";
318 # printindexline( $input, $no_results, $opts );
320 # if ($no_results > 100) {
321 # print "<p>Results per page: ";
322 # my @resperpagelinks;
323 # for (50, 100, 200) {
324 # if ($opts->{number} == $_) {
325 # push @resperpagelinks, $_;
327 # push @resperpagelinks, resperpagelink($input,$opts,$_);
330 # if ($opts->{number_all}) {
331 # push @resperpagelinks, "all";
333 # push @resperpagelinks, resperpagelink($input, $opts, "all");
335 # print join( " | ", @resperpagelinks )."</p>";
337 # return ( $start, $end );
341 my ($hash, $key, $results, $non_results, $opts) = @_;
342 my $result = $hash->{$key} || '';
343 foreach (split /\000/o, $result) {
344 my @data = split ( /\s/o, $_, 8 );
345 debug( "Considering entry ".join( ':', @data), 2);
346 if ($opts->{h_archives}{$data[0]} && $opts->{h_suites}{$data[1]}
347 && ($opts->{h_archs}{$data[2]} || $data[2] eq 'all'
348 || $data[2] eq 'virtual')
349 && ($opts->{h_sections}{$data[3]} || $data[3] eq 'v')) {
350 debug( "Using entry ".join( ':', @data), 2);
351 push @$results, [ $key, @data ];
353 push @$non_results, [ $key, @data ];
358 my ($hash, $key, $results, $opts) = @_;
360 read_entry_all( $hash, $key, $results, \@non_results, $opts );
362 sub read_entry_simple {
363 my ($hash, $key, $archives, $suite) = @_;
364 my $result = $hash->{$key} || '';
365 debug( "read_entry_simple: key=$key, archives=".
366 join(" ",(keys %$archives)).", suite=$suite", 1);
368 foreach (split /\000/o, $result) {
369 my @data = split ( /\s/o, $_, 8 );
370 debug( "Considering entry ".join( ':', @data), 2);
371 if ($data[1] eq $suite) {
372 if ($archives->{$data[0]}) {
373 debug( "Using entry ".join( ':', @data), 2);
375 } elsif ($data[0] eq 'us') {
376 debug( "Fuzzy entry ".join( ':', @data), 2);
383 sub read_src_entry_all {
384 my ($hash, $key, $results, $non_results, $opts) = @_;
385 my $result = $hash->{$key} || '';
386 debug( "read_src_entry_all: key=$key", 1);
387 foreach (split /\000/o, $result) {
388 my @data = split ( /\s/o, $_, 6 );
389 debug( "Considering entry ".join( ':', @data), 2);
390 if ($opts->{h_archives}{$data[0]}
391 && $opts->{h_suites}{$data[1]}
392 && $opts->{h_sections}{$data[2]}) {
393 debug( "Using entry ".join( ':', @data), 2);
394 push @$results, [ $key, @data ];
396 push @$non_results, [ $key, @data ];
401 my ($hash, $key, $results, $opts) = @_;
403 read_src_entry_all( $hash, $key, $results, \@non_results, $opts );
405 sub do_names_search {
406 my ($keyword, $packages, $postfixes, $read_entry, $opts,
407 $results, $non_results) = @_;
409 $keyword = lc $keyword;
411 my ($key, $prefixes) = ($keyword, '');
413 $postfixes->seq( $key, $prefixes, R_CURSOR );
414 while (index($key, $keyword) >= 0) {
415 if ($prefixes =~ /^\001(\d+)/o) {
416 $too_many_hits += $1;
418 foreach (split /\000/o, $prefixes) {
419 $_ = '' if $_ eq '^';
420 debug( "add word $_$key", 2);
424 last if $postfixes->seq( $key, $prefixes, R_NEXT ) != 0;
425 last if $too_many_hits or keys %pkgs >= 100;
428 my $no_results = keys %pkgs;
429 if ($too_many_hits || ($no_results >= 100)) {
430 $too_many_hits += $no_results;
431 %pkgs = ( $keyword => 1 );
433 foreach my $pkg (sort keys %pkgs) {
434 &$read_entry( $packages, $pkg, $results, $non_results, $opts );
437 sub do_fulltext_search {
438 my ($keyword, $file, $did2pkg, $packages, $read_entry, $opts,
439 $results, $non_results) = @_;
441 # NOTE: this needs to correspond with parse-packages!
442 $keyword =~ tr [A-Z] [a-z];
443 if ($opts->{exact}) {
444 $keyword = " $keyword ";
446 $keyword =~ s/[(),.-]+//og;
447 $keyword =~ s#[^a-z0-9_/+]+# #og;
451 open DESC, '<', "$file"
452 or die "couldn't open $file: $!";
454 next if (index $_, $keyword) < 0;
455 debug( "Matched line $.: $_", 2);
456 my $result = $did2pkg->{$.};
457 foreach (split /\000/o, $result) {
458 my @data = split /\s/, $_, 3;
459 # debug ("Considering $data[0], arch = $data[2]", 3);
460 # next unless $data[2] eq 'all' || $opts->{h_archs}{$data[2]};
462 $numres++ unless $tmp_results{$data[0]}++;
464 last if $numres > 100;
467 $too_many_hits++ if $numres > 100;
470 foreach my $pkg (keys %tmp_results) {
471 &$read_entry( $packages, $pkg, $results, $non_results, $opts );
476 my ($pkg, $archive, $suite, $src2bin) = @_;
478 my $bins = $src2bin->{$pkg} || '';
480 foreach (split /\000/o, $bins) {
481 my @data = split /\s/, $_, 5;
483 debug( "find_binaries: considering @data", 3 );
484 if (($data[0] eq $archive)
485 && ($data[1] eq $suite)) {
487 debug( "find_binaries: using @data", 3 );
491 return [ keys %bins ];