| 1 |
#!/usr/bin/perl -w |
| 2 |
|
| 3 |
use strict; |
| 4 |
use CGI qw/:standard -no_xhtml/; |
| 5 |
use CGI::Carp qw(fatalsToBrowser); |
| 6 |
use SWISH::API; |
| 7 |
use XML::Simple; |
| 8 |
use Lingua::Spelling::Alternative; |
| 9 |
use Text::Iconv; |
| 10 |
use Data::Pageset; |
| 11 |
|
| 12 |
sub get_snippet { |
| 13 |
|
| 14 |
# maximum length of context in characters |
| 15 |
my $cc = 50; |
| 16 |
|
| 17 |
my $desc = shift || return ''; |
| 18 |
$desc = e($desc); |
| 19 |
|
| 20 |
# sort words from longer to shorter (for hilighting later) |
| 21 |
my @words = sort { length($b) <=> length($a) } @_; |
| 22 |
|
| 23 |
# colors to highlite |
| 24 |
my @colors = qw{#ffff66 #a0ffff #99ff99 #ff9999 #ff66ff}; |
| 25 |
|
| 26 |
# construct regex |
| 27 |
my $re = qq/^(.*?\\b)(/ . join('|', @words) . qq/)/; |
| 28 |
|
| 29 |
my $ellip = ' ... '; |
| 30 |
my $snippet = ''; |
| 31 |
|
| 32 |
#print "<ul>"; |
| 33 |
|
| 34 |
while ($desc =~ s/$re//si) { |
| 35 |
my ($foo, $match) = ($1,$2); |
| 36 |
|
| 37 |
#print "<br>desc: <small>$desc</small>\n"; |
| 38 |
#print "<br>foo: <small>$foo<b>$match</b></small>\n"; |
| 39 |
|
| 40 |
if (length($foo) < $cc * 2) { |
| 41 |
$snippet .= $foo . $match; |
| 42 |
} else { |
| 43 |
|
| 44 |
if ($foo =~ m/^(.{0,$cc})(\s.*?\s|\s|)?(.{0,$cc})$/) { |
| 45 |
|
| 46 |
# print "<li><small>$snippet</small><br> |
| 47 |
# ",length($1),": <i>$1</i><br> |
| 48 |
# ",length($2),": <span style=\"color:grey\">$2</span><br> |
| 49 |
# ",length($3),": <i>$3</i><br> |
| 50 |
# <b>$match</b>\n"; |
| 51 |
|
| 52 |
if ($snippet) { |
| 53 |
$snippet .= $1 . $ellip . $3 . $match; |
| 54 |
} else { |
| 55 |
$snippet = $ellip . $3 . $match ; |
| 56 |
} |
| 57 |
|
| 58 |
} else { |
| 59 |
# print "<li> <big>SKIP</big> $foo\n"; |
| 60 |
print STDERR "this shouldn't happen!\n"; |
| 61 |
} |
| 62 |
|
| 63 |
} |
| 64 |
|
| 65 |
} |
| 66 |
#print "</ul>"; |
| 67 |
|
| 68 |
# color offset |
| 69 |
my $i = 0; |
| 70 |
|
| 71 |
foreach my $w (@words) { |
| 72 |
$snippet =~ s,(\b\Q$w\E),<span style="background: $colors[$i]; color:black;">$1</span>,gsi; |
| 73 |
$i++; |
| 74 |
$i = 0 if ($i > $#colors); |
| 75 |
} |
| 76 |
|
| 77 |
$snippet .= $ellip if ($snippet); |
| 78 |
|
| 79 |
return $snippet; |
| 80 |
} |
| 81 |
|
| 82 |
# for pager |
| 83 |
my $pages_per_set = 20; |
| 84 |
|
| 85 |
Text::Iconv->raise_error(0); # Conversion errors raise exceptions |
| 86 |
my $config=XMLin(undef, |
| 87 |
# keyattr => { label => "value" }, |
| 88 |
forcecontent => 0, |
| 89 |
ForceArray => [ 'path' ], |
| 90 |
); |
| 91 |
|
| 92 |
my $from_utf8 = Text::Iconv->new('UTF8', $config->{charset}); |
| 93 |
sub x { |
| 94 |
return if (! defined $_[0]); |
| 95 |
return $from_utf8->convert($_[0]); |
| 96 |
} |
| 97 |
|
| 98 |
# Escape <, >, & and ", and to produce valid XML |
| 99 |
my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"'); |
| 100 |
my $escape_re = join '|' => keys %escape; |
| 101 |
sub e { |
| 102 |
my $out; |
| 103 |
foreach my $v (@_) { |
| 104 |
$v =~ s/($escape_re)/$escape{$1}/g; |
| 105 |
$out .= $v; |
| 106 |
} |
| 107 |
return $out; |
| 108 |
} |
| 109 |
|
| 110 |
my @spellings; |
| 111 |
# FIX: doesn't work very well |
| 112 |
if ($config->{findaffix}) { |
| 113 |
foreach my $findaffix (split(/[, ]+/,x($config->{findaffix}))) { |
| 114 |
next if (! -f $findaffix); |
| 115 |
my $spelling_alt = new Lingua::Spelling::Alternative; |
| 116 |
$spelling_alt->load_findaffix($findaffix); |
| 117 |
push @spellings,$spelling_alt; |
| 118 |
} |
| 119 |
} |
| 120 |
if ($config->{affix}) { |
| 121 |
foreach my $affix (split(/[, ]+/,x($config->{affix}))) { |
| 122 |
next if (! -f $affix); |
| 123 |
my $spelling_alt = new Lingua::Spelling::Alternative; |
| 124 |
$spelling_alt->load_affix($affix); |
| 125 |
push @spellings,$spelling_alt; |
| 126 |
} |
| 127 |
} |
| 128 |
|
| 129 |
my $hits=0; |
| 130 |
my $max_hits=param('max_hits') || x($config->{max_hits}); |
| 131 |
|
| 132 |
my %labels; |
| 133 |
foreach (@{$config->{labels}->{label}}) { |
| 134 |
next if (! $_->{value}); # skip unlimited (0) |
| 135 |
$labels{$_->{value}} = x($_->{content}); |
| 136 |
} |
| 137 |
|
| 138 |
my $path; |
| 139 |
# limit to this path |
| 140 |
$path .= '"'.join('*" or "',param('path')).'*"' if (param('path')); |
| 141 |
my %path_label; |
| 142 |
my @path_name; |
| 143 |
foreach (@{$config->{paths}->{path}}) { |
| 144 |
push @path_name,x($_->{limit}); |
| 145 |
$path_label{$_->{limit}} = x($_->{content}); |
| 146 |
} |
| 147 |
|
| 148 |
my @properties = split(/\s+/,x($config->{properties})) if ($config->{properties}); |
| 149 |
|
| 150 |
if ($config->{charset}) { |
| 151 |
print header(-charset=>x($config->{charset})); |
| 152 |
} else { |
| 153 |
print header; |
| 154 |
} |
| 155 |
print start_html(-title=>x($config->{title})),start_form; |
| 156 |
print x($config->{text}->{search}); |
| 157 |
print popup_menu(-name=>'max_hits',-values=>[ sort keys %labels ],-labels=>\%labels,-default=>$max_hits); |
| 158 |
print x($config->{text}->{documents}); |
| 159 |
print textfield('search'); |
| 160 |
print submit(-value=> x($config->{text}->{submit})); |
| 161 |
print br,checkbox(-name=>'no_affix', -checked=>0, -label=>x($config->{text}->{no_spell})) if (@spellings); |
| 162 |
print checkbox(-name=>'no_properties', -checked=>0, -label=>($config->{text}->{no_properties})) if (@properties); |
| 163 |
if (@path_name) { |
| 164 |
print br,x($config->{text}->{limit}); |
| 165 |
print popup_menu(-name=>'path',-values=>\@path_name,-labels=>\%path_label,-default=>$path); |
| 166 |
} elsif (param('path')) { |
| 167 |
print hidden(-name=>'path',-values=>param('path')); |
| 168 |
} |
| 169 |
print end_form,hr; |
| 170 |
|
| 171 |
if (param('search')) { |
| 172 |
|
| 173 |
my $s; |
| 174 |
# re-write query from +/- to and/and not |
| 175 |
|
| 176 |
my @s_highlite; |
| 177 |
|
| 178 |
my $search = param('search'); |
| 179 |
|
| 180 |
# strip spaces |
| 181 |
$search =~ s/^\s+//; |
| 182 |
$search =~ s/\s+$//; |
| 183 |
# fixup search string |
| 184 |
$search=~tr/¹ð¾èæ©Ð®ÈÆ/¹ð¾èæ©Ð®ÈÆ/; # 1250 -> iso8859-2 |
| 185 |
$search=~tr/¹©ðÐèÈæƾ®/sSdDcCcCzZ/; |
| 186 |
|
| 187 |
# extract phrases and put them first |
| 188 |
while ($search =~ s/\s*("[^"]+")\s*/ /) { |
| 189 |
$s .= "$1 "; |
| 190 |
push @s_highlite, $1; |
| 191 |
} |
| 192 |
|
| 193 |
my %words; |
| 194 |
|
| 195 |
foreach (split(/\s+/,$search)) { |
| 196 |
if (m/^([+-])(\S+)/) { |
| 197 |
$s.= ($s) ? "and " : ""; |
| 198 |
$s.="not " if ($1 eq "-"); |
| 199 |
if (@spellings && !param('no_affix')) { |
| 200 |
my $w = $2; $w =~ s/[\*\s]+//g; |
| 201 |
$w =~ s/^(['"]*)([^'"]+)(['"]*)/$2/; |
| 202 |
my $or=""; |
| 203 |
foreach my $spelling_alt (@spellings) { |
| 204 |
$s.="$or$1(".join("* or ",$spelling_alt->alternatives($w))."*)$3 "; |
| 205 |
$or = "or "; |
| 206 |
} |
| 207 |
} else { |
| 208 |
$s.="$2* "; |
| 209 |
} |
| 210 |
push @s_highlite, $2 if ($1 ne "-"); |
| 211 |
} else { |
| 212 |
if (@spellings && !param('no_affix')) { |
| 213 |
my $w = $_; $w =~ s/[\*\s]+//g; |
| 214 |
my $or=""; |
| 215 |
foreach my $spelling_alt (@spellings) { |
| 216 |
$s.="$or(".join("* or ",$spelling_alt->alternatives($w))."*) "; |
| 217 |
$or = "or "; |
| 218 |
} |
| 219 |
} else { |
| 220 |
$s.="$_* "; |
| 221 |
} |
| 222 |
push @s_highlite, $_; |
| 223 |
} |
| 224 |
} |
| 225 |
|
| 226 |
# fix multiple stars |
| 227 |
$s=~s/\*\*+/*/g; |
| 228 |
|
| 229 |
# limit to some path |
| 230 |
$s = "swishdocpath=($path) and $s" if ($path); |
| 231 |
|
| 232 |
my %params; # optional parametars for swish |
| 233 |
|
| 234 |
# default format for output |
| 235 |
my $hit_fmt = "<a href=\"%s\">%s</a> [%s]<br>\n"; |
| 236 |
|
| 237 |
if (@properties) { |
| 238 |
$hit_fmt = x($config->{hit}) if (! param('no_properties')); |
| 239 |
$params{properties} = \@properties; |
| 240 |
} else { |
| 241 |
$hit_fmt = x($config->{hit}) if (x($config->{hit})); |
| 242 |
} |
| 243 |
|
| 244 |
my $swish = SWISH::API->new($config->{index}); |
| 245 |
$swish->AbortLastError if $swish->Error; |
| 246 |
my $results = $swish->Query($s); |
| 247 |
my $hits = $results->Hits; |
| 248 |
|
| 249 |
|
| 250 |
# build pager |
| 251 |
my $current_page = param('page') || 1; |
| 252 |
|
| 253 |
my $pager = Data::Pageset->new({ |
| 254 |
'total_entries' => $hits, |
| 255 |
'entries_per_page' => $max_hits, |
| 256 |
'current_page' => $current_page, |
| 257 |
'pages_per_set' => $pages_per_set, |
| 258 |
}); |
| 259 |
|
| 260 |
$results->SeekResult( $pager->first - 1 ); |
| 261 |
|
| 262 |
# get number of entries on this page |
| 263 |
my $i = $pager->entries_on_this_page; |
| 264 |
|
| 265 |
# print number of hits or error message |
| 266 |
if ( !$hits ) { |
| 267 |
printf (x($config->{text}->{no_hits}),$s,$swish->ErrorString); |
| 268 |
} else { |
| 269 |
printf (x($config->{text}->{hits}),$i,$results->Hits,$s); |
| 270 |
} |
| 271 |
|
| 272 |
my %path2title; |
| 273 |
foreach my $p (@{$config->{path2title}->{path}}) { |
| 274 |
$path2title{$p->{dir}} = $p->{content}; |
| 275 |
} |
| 276 |
|
| 277 |
# output start of table |
| 278 |
print qq{ |
| 279 |
<table border="0"> |
| 280 |
}; |
| 281 |
# html before and after each hit |
| 282 |
my $tr_pre = qq{ |
| 283 |
<tr><td> |
| 284 |
}; |
| 285 |
my $tr_post = qq{ |
| 286 |
</td></tr> |
| 287 |
}; |
| 288 |
|
| 289 |
for(my $i=$pager->first; $i<=$pager->last; $i++) { |
| 290 |
|
| 291 |
my $result = $results->NextResult; |
| 292 |
last if (! $result); |
| 293 |
|
| 294 |
my @arr; |
| 295 |
|
| 296 |
foreach my $prop (@properties) { |
| 297 |
if ($prop =~ m/swishdescription/) { |
| 298 |
my $tmp = get_snippet( |
| 299 |
$result->Property($prop), |
| 300 |
@s_highlite, |
| 301 |
); |
| 302 |
|
| 303 |
push @arr, $tmp; |
| 304 |
} else { |
| 305 |
push @arr, $result->Property($prop); |
| 306 |
} |
| 307 |
} |
| 308 |
|
| 309 |
my $title = e($result->Property("swishtitle")) || 'untitled'; |
| 310 |
my $rank = $result->Property("swishrank"); |
| 311 |
my $host = $result->Property("swishdocpath"); |
| 312 |
$host = "http://".virtual_host().x($config->{url}).$result->Property("swishdocpath") if ($config->{url}); |
| 313 |
|
| 314 |
foreach my $p (keys %path2title) { |
| 315 |
if ($host =~ m/$p/i) { |
| 316 |
$title =~ s/$path2title{$p}\s*[:-]+\s*//; |
| 317 |
$title = $path2title{$p}." :: ".$title; |
| 318 |
last; |
| 319 |
} |
| 320 |
} |
| 321 |
|
| 322 |
print $tr_pre,$i,". "; |
| 323 |
# print collection name which is not link |
| 324 |
if ($title =~ s/^(.+? :: )//) { |
| 325 |
print $1; |
| 326 |
} |
| 327 |
|
| 328 |
printf($hit_fmt, $host, $title || 'untitled', $rank, @arr); |
| 329 |
print $tr_post; |
| 330 |
|
| 331 |
} |
| 332 |
|
| 333 |
# pager navigation |
| 334 |
my $nav_html; |
| 335 |
|
| 336 |
my $nav_fmt=qq{ <a href="%s">%s</a> }; |
| 337 |
|
| 338 |
if ($pager->current_page() > $pager->first_page) { |
| 339 |
param('page', $pager->current_page - 1); |
| 340 |
$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'<<'); |
| 341 |
} |
| 342 |
|
| 343 |
if ($pager->previous_set) { |
| 344 |
param('page', $pager->previous_set); |
| 345 |
$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'..'); |
| 346 |
} |
| 347 |
|
| 348 |
|
| 349 |
foreach my $p (@{$pager->pages_in_set()}) { |
| 350 |
next if ($p < 0); |
| 351 |
# for (my $p=$pager->previous_set; $p <= $pager->next_set; $p++) { |
| 352 |
if($p == $pager->current_page()) { |
| 353 |
$nav_html .= "<b>$p</b> "; |
| 354 |
} else { |
| 355 |
param('page', $p); |
| 356 |
$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),$p); |
| 357 |
} |
| 358 |
} |
| 359 |
|
| 360 |
if ($pager->next_set) { |
| 361 |
param('page', $pager->next_set); |
| 362 |
$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'..'); |
| 363 |
} |
| 364 |
|
| 365 |
if ($pager->current_page() < $pager->last_page) { |
| 366 |
param('page', $pager->current_page + 1); |
| 367 |
$nav_html .= sprintf($nav_fmt,url(-relative=>1, -query=>1),'>>'); |
| 368 |
} |
| 369 |
|
| 370 |
if ($config->{text}->{pages}) { |
| 371 |
$nav_html = x($config->{text}->{pages})." ".$nav_html; |
| 372 |
} |
| 373 |
|
| 374 |
# end html table |
| 375 |
print qq{ |
| 376 |
<tr><td> |
| 377 |
$nav_html |
| 378 |
</td></tr> |
| 379 |
</table> |
| 380 |
}; |
| 381 |
|
| 382 |
|
| 383 |
|
| 384 |
} else { |
| 385 |
print p(x($config->{text}->{footer})); |
| 386 |
} |
Parent Directory
| 
Revision Log