/[swish]/trunk/html/swish.cgi
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /trunk/html/swish.cgi

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Revision 60 - (hide annotations)
Thu Jan 29 18:25:55 2004 UTC (20 years, 3 months ago) by dpavlin
File size: 7800 byte(s)
fix for pages_in_set when there are no results (I should really report this
as a bug!)

1 dpavlin 8 #!/usr/bin/perl -w
2    
3     use strict;
4     use CGI qw/:standard -no_xhtml/;
5     use CGI::Carp qw(fatalsToBrowser);
6 dpavlin 59 use SWISH::API;
7 dpavlin 8 use XML::Simple;
8     use Lingua::Spelling::Alternative;
9     use Text::Iconv;
10 dpavlin 59 use Data::Pageset;
11 dpavlin 8
12 dpavlin 59 # for pager
13     my $pages_per_set = 20;
14    
15 dpavlin 8 Text::Iconv->raise_error(0); # Conversion errors raise exceptions
16     my $config=XMLin(undef,
17     # keyattr => { label => "value" },
18     forcecontent => 0,
19     );
20    
21 dpavlin 18 my $from_utf8 = Text::Iconv->new('UTF8', $config->{charset});
22     sub x {
23     return $from_utf8->convert($_[0]);
24     }
25    
26 dpavlin 29 # Escape <, >, & and ", and to produce valid XML
27     my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
28     my $escape_re = join '|' => keys %escape;
29     sub e {
30     my $out;
31     foreach my $v (@_) {
32     $v =~ s/($escape_re)/$escape{$1}/g;
33     $out .= $v;
34     }
35     return $out;
36     }
37 dpavlin 8
38 dpavlin 39 my @spellings;
39 dpavlin 8 # FIX: doesn't work very well
40 dpavlin 16 if ($config->{findaffix}) {
41 dpavlin 41 foreach my $findaffix (split(/[, ]+/,x($config->{findaffix}))) {
42     my $spelling_alt = new Lingua::Spelling::Alternative;
43     $spelling_alt->load_findaffix($findaffix);
44     push @spellings,$spelling_alt;
45     }
46 dpavlin 8 }
47 dpavlin 16 if ($config->{affix}) {
48 dpavlin 41 foreach my $affix (split(/[, ]+/,x($config->{affix}))) {
49     my $spelling_alt = new Lingua::Spelling::Alternative;
50     $spelling_alt->load_affix($affix);
51     push @spellings,$spelling_alt;
52     }
53 dpavlin 16 }
54 dpavlin 8
55     my $hits=0;
56 dpavlin 59 my $max_hits=param('max_hits') || x($config->{max_hits});
57 dpavlin 8
58     my %labels;
59     foreach (@{$config->{labels}->{label}}) {
60 dpavlin 59 next if (! $_->{value}); # skip unlimited (0)
61 dpavlin 18 $labels{$_->{value}} = x($_->{content});
62 dpavlin 8 }
63    
64 dpavlin 23 my $path = param('path'); # limit to this path
65     my %path_label;
66     my @path_name;
67     foreach (@{$config->{paths}->{path}}) {
68 dpavlin 39
69     print STDERR "##: $_->{limit}",x($_->{content}),"\n";
70 dpavlin 23 push @path_name,x($_->{limit});
71     $path_label{$_->{limit}} = x($_->{content});
72     }
73    
74 dpavlin 32 my @properties = split(/\s+/,x($config->{properties}));
75    
76 dpavlin 16 if ($config->{charset}) {
77 dpavlin 18 print header(-charset=>x($config->{charset}));
78 dpavlin 16 } else {
79     print header;
80     }
81 dpavlin 18 print start_html(-title=>x($config->{title})),start_form;
82     print x($config->{text}->{search});
83 dpavlin 16 print popup_menu(-name=>'max_hits',-values=>[ sort keys %labels ],-labels=>\%labels,-default=>$max_hits);
84 dpavlin 18 print x($config->{text}->{documents});
85 dpavlin 16 print textfield('search');
86 dpavlin 18 print submit(-value=> x($config->{text}->{submit}));
87 dpavlin 39 print br,checkbox(-name=>'no_affix', -checked=>0, -label=>x($config->{text}->{no_spell})) if (@spellings);
88 dpavlin 32 print checkbox(-name=>'no_properties', -checked=>0, -label=>($config->{text}->{no_properties})) if (@properties);
89 dpavlin 23 if (@path_name) {
90     print br,x($config->{text}->{limit});
91     print popup_menu(-name=>'path',-values=>\@path_name,-labels=>\%path_label,-default=>$path);
92     }
93 dpavlin 8 print end_form,hr;
94    
95     if (param('search')) {
96    
97     my $s;
98     # re-write query from +/- to and/and not
99    
100     my $search = param('search');
101     my $s_phrase = "";
102     while ($search =~ s/\s*("[^"]+")\s*/ /) {
103     $s .= "$1 ";
104     }
105     $search =~ s/^\s+//;
106     $search =~ s/\s+$//;
107    
108 dpavlin 41 my %words;
109    
110 dpavlin 8 foreach (split(/\s+/,$search)) {
111     if (m/^([+-])(\S+)/) {
112     $s.= ($s) ? "and " : "";
113     $s.="not " if ($1 eq "-");
114 dpavlin 39 if (@spellings && !param('no_affix')) {
115 dpavlin 8 my $w = $2; $w =~ s/[\*\s]+//g;
116     $w =~ s/^(['"]*)([^'"]+)(['"]*)/$2/;
117 dpavlin 39 my $or="";
118     foreach my $spelling_alt (@spellings) {
119     $s.="$or$1(".join("* or ",$spelling_alt->alternatives($w))."*)$3 ";
120     $or = "or ";
121     }
122 dpavlin 8 } else {
123     $s.="$2* ";
124     }
125     } else {
126 dpavlin 39 if (@spellings && !param('no_affix')) {
127 dpavlin 8 my $w = $_; $w =~ s/[\*\s]+//g;
128     #$s.="(".join("* or ",$spelling_alt->alternatives($w))."*) ";
129 dpavlin 39 my $or="";
130     foreach my $spelling_alt (@spellings) {
131     $s.="$or(".join("* or ",$spelling_alt->alternatives($w))."*) ";
132     $or = "or ";
133     }
134 dpavlin 8 } else {
135     $s.="$_* ";
136     }
137     }
138     }
139    
140     # fixup search string
141     $s=~tr/šðžèæŠÐŽÈÆ/¹ð¾èæ©Ð®ÈÆ/; # 1250 -> iso8859-2
142     $s=~tr/¹©ðÐèÈæƾ®/sSdDcCcCzZ/;
143     $s=~s/\*\*+/*/g;
144    
145 dpavlin 23 # limit to some path
146 dpavlin 39 $s = "swishdocpath=(\"*$path*\") and $s" if ($path);
147 dpavlin 23
148 dpavlin 22 my %params; # optional parametars for swish
149    
150 dpavlin 32 # default format for output
151     my $hit_fmt = "<a href=\"%s\">%s</a> [%s]<br>\n";
152 dpavlin 21
153 dpavlin 59 # output start of table
154     print qq{
155     <table border="0">
156     };
157     # html before and after each hit
158     my $tr_pre = qq{
159     <tr><td>
160     };
161     my $tr_post = qq{
162     </td></tr>
163     };
164    
165 dpavlin 32 if (@properties) {
166     $hit_fmt = x($config->{hit}) if (! param('no_properties'));
167 dpavlin 39 $params{properties} = \@properties;
168 dpavlin 32 } else {
169     $hit_fmt = x($config->{hit}) if (x($config->{hit}));
170     }
171    
172 dpavlin 59 # my $sh = SWISH->connect('Fork',
173     # prog => x($config->{prog}),
174     # indexes => x($config->{index}),
175     # results => sub {
176     # my ($sh,$hit) = @_;
177     #
178     # if ($config->{url}) {
179     # printf ($hit_fmt ,"http://".virtual_host().x($config->{url}).$hit->swishdocpath,e($hit->swishtitle) || 'untitled',$hit->swishrank, map($hit->$_, @properties));
180     # } else {
181     # printf ($hit_fmt ,$hit->swishdocpath,e($hit->swishtitle) || 'untitled',$hit->swishrank, map($hit->$_, @properties) );
182     #
183     # }
184     #
185     ## print $_[1]->as_string,"<br>\n";
186     ## my @fields = $hit->field_names;
187     ## print "Field '$_' = '", $hit->$_, "'<br>\n" for sort @fields;
188     # },
189     # maxhits => param('max_hits') || $max_hits,
190     # \%params,
191     # );
192     #
193     # die $SWISH::errstr unless $sh;
194     #
195     # $hits = $sh->query($s);
196     #
197     # if ($hits && $hits > 0) {
198     # print p,hr;
199     # printf (x($config->{text}->{hits}),$hits,param('max_hits') || $max_hits,$s);
200     # } else {
201     # print p;
202     # printf (x($config->{text}->{no_hits}),$s,$sh->errstr);
203     # }
204     # if ($hits && $hits > 0) {
205     # print p,hr;
206     # printf (x($config->{text}->{hits}),$hits,param('max_hits') || $max_hits,$s);
207     # } else {
208     # print p;
209     # printf (x($config->{text}->{no_hits}),$s,$sh->errstr);
210     # }
211    
212     my $swish = SWISH::API->new($config->{index});
213    
214     $swish->AbortLastError if $swish->Error;
215    
216     my $results = $swish->Query($s);
217    
218     my $hits = $results->Hits;
219    
220    
221    
222     # build pager
223     my $current_page = param('page') || 1;
224    
225     my $pager = Data::Pageset->new({
226     'total_entries' => $hits,
227     'entries_per_page' => $max_hits,
228     'current_page' => $current_page,
229     'pages_per_set' => $pages_per_set,
230     });
231    
232     $results->SeekResult( $pager->first - 1 );
233    
234     # get number of entries on this page
235     my $i = $pager->entries_on_this_page;
236    
237     # print number of hits or error message
238     if ( !$hits ) {
239     printf (x($config->{text}->{no_hits}),$s,$swish->ErrorString);
240     } else {
241     printf (x($config->{text}->{hits}),$i,$results->Hits,$s);
242 dpavlin 57 }
243    
244 dpavlin 8
245 dpavlin 59 for(my $i=$pager->first; $i<=$pager->last; $i++) {
246    
247     my $result = $results->NextResult;
248     last if (! $result);
249    
250     my @arr;
251     foreach my $prop (@properties) {
252     if ($prop =~ m/swishdescription/) {
253     my $tmp = $result->Property($prop);
254     $tmp =~ s/<[^>]+>//g;
255     push @arr, $tmp;
256 dpavlin 18 } else {
257 dpavlin 59 push @arr, $result->Property($prop);
258 dpavlin 18 }
259 dpavlin 59 }
260 dpavlin 18
261 dpavlin 59 print $tr_pre,$i,". ";
262     if ($config->{url}) {
263     printf($hit_fmt, "http://".virtual_host().x($config->{url}).$result->Property("swishdocpath"),
264     e($result->Property("swishtitle")) || 'untitled',
265     $result->Property("swishrank"),
266     @arr);
267     } else {
268     printf($hit_fmt, $result->Property("swishdocpath"),
269     e($result->Property("swishtitle")) || 'untitled',
270     $result->Property("swishrank"),
271     @arr);
272     }
273     print $tr_post;
274 dpavlin 8
275 dpavlin 59 }
276 dpavlin 8
277 dpavlin 59 # pager navigation
278     my $nav_html;
279 dpavlin 8
280 dpavlin 59 my $nav_fmt=qq{ <a href="%s">%s</a> };
281 dpavlin 8
282 dpavlin 59 if ($pager->previous_set) {
283     param('page', $pager->previous_set);
284     $nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'&lt;&lt;');
285 dpavlin 8 }
286 dpavlin 59
287    
288     foreach my $p (@{$pager->pages_in_set()}) {
289 dpavlin 60 next if ($p < 0);
290 dpavlin 59 # for (my $p=$pager->previous_set; $p <= $pager->next_set; $p++) {
291     if($p == $pager->current_page()) {
292     $nav_html .= "<b>$p</b> ";
293     } else {
294     param('page', $p);
295     $nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),$p);
296     }
297     }
298    
299     if ($pager->next_set) {
300     param('page', $pager->next_set);
301     $nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'&gt;&gt;');
302     }
303    
304     # end html table
305     print qq{
306     <tr><td>
307     Pages: $nav_html
308     </td></tr>
309     </table>
310     };
311    
312    
313    
314 dpavlin 8 } else {
315 dpavlin 18 print p(x($config->{text}->{footer}));
316 dpavlin 8 }

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