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( nextlink prevlink indexline
59 read_entry read_entry_all read_src_entry find_binaries
60 do_names_search do_fulltext_search
61 printindexline multipageheader );
62 our %EXPORT_TAGS = ( all => [ @EXPORT_OK ] );
66 our $USE_PAGED_MODE = 1;
67 use constant DEFAULT_PAGE => 1;
68 use constant DEFAULT_RES_PER_PAGE => 50;
69 our %page_params = ( page => { default => DEFAULT_PAGE,
71 number => { default => DEFAULT_RES_PER_PAGE,
74 our $too_many_hits = 0;
77 my ( $cgi, $params_def, $opts ) = @_;
79 my %params_ret = ( values => {}, errors => {} );
81 if ($USE_PAGED_MODE) {
82 debug( "Use PAGED_MODE", 2 );
83 %params = %$params_def;
84 foreach (keys %page_params) {
87 %params = ( %params, %page_params );
89 %params = %$params_def;
92 foreach my $param ( keys %params ) {
94 debug( "Param <strong>$param</strong>", 2 );
96 my $p_value_orig = $cgi->param($param);
98 if (!defined($p_value_orig)
99 && defined $params_def->{$param}{alias}
100 && defined $cgi->param($params_def->{$param}{alias})) {
101 $p_value_orig = $cgi->param($params_def->{$param}{alias});
102 debug( "Used alias <strong>$params_def->{$param}{alias}</strong>",
106 my @p_value = ($p_value_orig);
108 debug( "Value (Orig) ".($p_value_orig||""), 2 );
110 if ($params_def->{$param}{array} && defined $p_value_orig) {
111 @p_value = split /$params_def->{$param}{array}/, $p_value_orig;
112 debug( "Value (Array Split) ". join('##',@p_value), 2 );
115 if ($params_def->{$param}{match} && defined $p_value_orig) {
117 { $_ =~ m/$params_def->{$param}{match}/; $_ = $1 }
120 @p_value = grep { defined $_ } @p_value;
122 debug( "Value (Match) ". join('##',@p_value), 2 );
125 if (defined $params{$param}{default}) {
126 @p_value = ($params{$param}{default});
129 $params_ret{errors}{$param} = "undef";
134 debug( "Value (Default) ". join('##',@p_value), 2 );
135 my @p_value_no_replace = @p_value;
137 if ($params{$param}{replace} && @p_value) {
139 foreach my $pattern (keys %{$params{$param}{replace}}) {
140 foreach (@p_value_no_replace) {
141 if ($_ eq $pattern) {
142 my $replacement = $params{$param}{replace}{$_};
143 if (ref $replacement) {
144 push @p_value, @$replacement;
146 push @p_value, $replacement;
155 debug( "Value (Final) ". join('##',@p_value), 2 );
157 if ($params_def->{$param}{array}) {
158 $params_ret{values}{$param} = {
159 orig => $p_value_orig,
160 no_replace => \@p_value_no_replace,
163 @{$params_def->{$param}{var}} = @p_value
164 if $params_def->{$param}{var};
166 $params_ret{values}{$param} = {
167 orig => $p_value_orig,
168 no_replace => $p_value_no_replace[0],
169 final => $p_value[0],
171 ${$params_def->{$param}{var}} = $p_value[0]
172 if $params_def->{$param}{var};
174 $opts->{$param} = $params_ret{values}{$param}{final} if $opts;
177 if ($USE_PAGED_MODE) {
178 $cgi->delete( "page" );
179 $cgi->delete( "number" );
188 my $page = $params->{values}{page}{final}
190 my $res_per_page = $params->{values}{number}{final}
191 || DEFAULT_RES_PER_PAGE;
193 return 1 if $res_per_page =~ /^all$/i;
194 return $res_per_page * ($page - 1) + 1;
201 debug( "end: ".Dumper($params) );
202 my $page = $params->{page}
204 my $res_per_page = $params->{number}
205 || DEFAULT_RES_PER_PAGE;
207 return $page * $res_per_page;
211 my ($cgi, $params, $num_res) = @_;
214 my $page = $params->{page}
216 my $res_per_page = $params->{number}
217 || DEFAULT_RES_PER_PAGE;
218 my $numpages = ceil($num_res /
220 for (my $i = 1; $i <= $numpages; $i++) {
224 $index_line .= "<a href=\"".encode_entities($cgi->self_url).
225 "&page=$i&number=$res_per_page\">".
228 if ($i < $numpages) {
229 $index_line .= " | ";
236 my ($cgi, $params, $no_results ) = @_;
238 my $page = $params->{page}
241 my $res_per_page = $params->{number}
242 || DEFAULT_RES_PER_PAGE;
244 if ((($page-1)*$res_per_page + 1) > $no_results) {
248 return "<a href=\"".encode_entities($cgi->self_url).
249 "&page=$page&number=$res_per_page\">>></a>";
253 my ($cgi, $params ) = @_;
255 my $page = $params->{page}
262 my $res_per_page = $params->{number}
263 || DEFAULT_RES_PER_PAGE;
265 return "<a href=\"".encode_entities($cgi->self_url).
266 "&page=$page&number=$res_per_page\"><<</a>";
270 my ($cgi, $params, $res_per_page ) = @_;
273 if ($res_per_page =~ /^all$/i) {
276 $page = ceil(start( $params ) / $res_per_page);
279 return "<a href=\"".encode_entities($cgi->self_url).
280 "&page=$page&number=$res_per_page\">$res_per_page</a>";
284 my ( $input, $no_results, $opts ) = @_;
287 if ($no_results > $opts->{number}) {
289 $index_line = prevlink( $input, $opts)." | ".
290 indexline( $input, $opts, $no_results)." | ".
291 nextlink( $input, $opts, $no_results);
293 print "<p style=\"text-align:center\">$index_line</p>";
297 sub multipageheader {
298 my ( $input, $no_results, $opts ) = @_;
301 if ($opts->{number} =~ /^all$/i) {
304 $opts->{number} = $no_results;
305 $opts->{number_all}++;
307 $start = Packages::Search::start( $opts );
308 $end = Packages::Search::end( $opts );
309 if ($end > $no_results) { $end = $no_results; }
312 print "<p>Found <em>$no_results</em> matching packages,";
313 if ($end == $start) {
314 print " displaying package $end.</p>";
316 print " displaying packages $start to $end.</p>";
319 printindexline( $input, $no_results, $opts );
321 if ($no_results > 100) {
322 print "<p>Results per page: ";
325 if ($opts->{number} == $_) {
326 push @resperpagelinks, $_;
328 push @resperpagelinks, resperpagelink($input,$opts,$_);
331 if ($opts->{number_all}) {
332 push @resperpagelinks, "all";
334 push @resperpagelinks, resperpagelink($input, $opts, "all");
336 print join( " | ", @resperpagelinks )."</p>";
338 return ( $start, $end );
342 my ($hash, $key, $results, $non_results, $opts) = @_;
343 my $result = $hash->{$key} || '';
344 foreach (split /\000/, $result) {
345 my @data = split ( /\s/, $_, 8 );
346 debug( "Considering entry ".join( ':', @data), 2);
347 if ($opts->{h_archives}{$data[0]} && $opts->{h_suites}{$data[1]}
348 && ($opts->{h_archs}{$data[2]} || $data[2] eq 'all')
349 && $opts->{h_sections}{$data[3]}) {
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, $opts );
363 my ($hash, $key, $results, $opts) = @_;
364 my $result = $hash->{$key} || '';
365 foreach (split /\000/, $result) {
366 my @data = split ( /\s/, $_, 6 );
367 debug( "Considering entry ".join( ':', @data), 2);
368 if ($opts->{h_archives}{$data[0]}
369 && $opts->{h_suites}{$data[1]}
370 && $opts->{h_sections}{$data[2]}) {
371 debug( "Using entry ".join( ':', @data), 2);
372 push @$results, [ $key, @data ];
376 sub do_names_search {
377 my ($keyword, $packages, $postfixes, $read_entry, $opts) = @_;
380 $keyword = lc $keyword unless $opts->{case_bool};
382 if ($opts->{exact}) {
383 &$read_entry( $packages, $keyword, \@results, $opts );
385 my ($key, $prefixes) = ($keyword, '');
387 $postfixes->seq( $key, $prefixes, R_CURSOR );
388 while (index($key, $keyword) >= 0) {
389 if ($prefixes =~ /^\001(\d+)/o) {
390 $too_many_hits += $1;
392 foreach (split /\000/o, $prefixes) {
393 $_ = '' if $_ eq '^';
394 debug( "add word $_$key", 2);
398 last if $postfixes->seq( $key, $prefixes, R_NEXT ) != 0;
399 last if $too_many_hits or keys %pkgs >= 100;
402 my $no_results = keys %pkgs;
403 if ($too_many_hits || ($no_results >= 100)) {
404 $too_many_hits += $no_results;
405 %pkgs = ( $keyword => 1 );
407 foreach my $pkg (sort keys %pkgs) {
408 &$read_entry( $packages, $pkg, \@results, $opts );
413 sub do_fulltext_search {
414 my ($keyword, $file, $did2pkg, $packages, $read_entry, $opts) = @_;
419 if ($opts->{case_bool}) {
420 if ($opts->{exact}) {
421 $regex = qr/\b\Q$keyword\E\b/o;
423 $regex = qr/\Q$keyword\E/o;
426 if ($opts->{exact}) {
427 $regex = qr/\b\Q$keyword\E\b/io;
429 $regex = qr/\Q$keyword\E/io;
433 open DESC, '<', "$file"
434 or die "couldn't open $file: $!";
436 $_ =~ $regex or next;
437 debug( "Matched line $.", 2);
443 foreach my $l (@lines) {
444 my $result = $did2pkg->{$l};
445 foreach (split /\000/o, $result) {
446 my @data = split /\s/, $_, 3;
447 next unless $opts->{h_archs}{$data[2]};
448 $tmp_results{$data[0]}++;
451 foreach my $pkg (keys %tmp_results) {
452 &$read_entry( $packages, $pkg, \@results, $opts );
458 my ($pkg, $archive, $suite, $src2bin) = @_;
460 my $bins = $src2bin->{$pkg} || '';
462 foreach (split /\000/o, $bins) {
463 my @data = split /\s/, $_, 5;
465 if (($data[0] eq $archive)
466 && ($data[1] eq $suite)) {
471 return [ keys %bins ];