private function run($resultPageSet = null)
{
$params = $this->extractRequestParams();
$limit = $params['limit'];
$offset = $params['offset'];
$query = $params['search'];
$namespaces = $params['namespace'];
if (is_null($query) || empty($query)) {
$this->dieUsage("empty search string is not allowed", 'param-search');
}
$results = LuceneSearchSet::newFromQuery('search', $query, $namespaces, $limit, $offset, 'ignore');
if ($results === false) {
$this->dieUsage('There was a problem with Lucene backend', 'lucene-backend');
}
$data = array_values($results->iterateResults(array('ApiQueryLuceneSearch', 'formatItem'), is_null($resultPageSet)));
if ($results->getTotalHits() >= $params['offset'] + $params['limit']) {
$this->setContinueEnumParameter('offset', $params['offset'] + $params['limit']);
}
if (is_null($resultPageSet)) {
$result = $this->getResult();
$result->setIndexedTagName($data, 'p');
$result->addValue('query', $this->getModuleName(), $data);
} else {
$resultPageSet->populateFromTitles($data);
}
}
/**
* PrefixSearchBackend override for OpenSearch results
*/
static function prefixSearch($ns, $search, $limit, &$results)
{
$it = LuceneSearchSet::newFromQuery('prefix', $search, $ns, $limit, 0);
$results = array();
if ($it) {
// $it can be null
while ($res = $it->next()) {
$results[] = $res->getTitle()->getPrefixedText();
}
}
return false;
}
function execute($par)
{
global $wgRequest, $wgOut, $wgTitle, $wgContLang, $wgUser, $wgScriptPath, $wgLuceneDisableTitleMatches, $wgLuceneDisableSuggestions, $wgUser;
global $wgGoToEdit;
wfLoadExtensionMessages('LuceneSearch');
$fname = 'LuceneSearch::execute';
wfProfileIn($fname);
$this->setHeaders();
$wgOut->addHTML('<!-- titlens = ' . $wgTitle->getNamespace() . '-->');
foreach (SearchEngine::searchableNamespaces() as $ns => $name) {
if ($wgRequest->getCheck('ns' . $ns)) {
$this->namespaces[] = $ns;
}
}
if (count($this->namespaces) == 0) {
foreach (SearchEngine::searchableNamespaces() as $ns => $name) {
if ($wgUser->getOption('searchNs' . $ns)) {
$this->namespaces[] = $ns;
}
}
if (count($this->namespaces) == 0) {
global $wgNamespacesToBeSearchedDefault;
foreach ($wgNamespacesToBeSearchedDefault as $ns => $searchit) {
if ($searchit) {
$this->namespaces[] = $ns;
}
}
}
}
$bits = split('/', $wgRequest->getVal('title'), 2);
if (!empty($bits[1])) {
$q = str_replace('_', ' ', $bits[1]);
} else {
$q = $wgRequest->getText('search');
}
list($limit, $offset) = $wgRequest->getLimitOffset(LS_PER_PAGE, 'searchlimit');
if ($wgRequest->getVal('gen') == 'titlematch') {
$this->sendTitlePrefixes($q, $limit);
wfProfileOut($fname);
return;
}
$this->mSkin =& $wgUser->getSkin();
if (!$wgLuceneDisableSuggestions) {
$wgOut->addHTML($this->makeSuggestJS());
}
$wgOut->addLink(array('rel' => 'stylesheet', 'type' => 'text/css', 'media' => 'screen,projection', 'href' => $wgScriptPath . '/extensions/LuceneSearch/lucenesearch.css'));
$wgOut->addWikiText(wfMsg('searchresulttext'));
$wgOut->addHTML($this->showShortDialog($q));
if ($q === false || strlen($q) == 0) {
// No search active. Put input focus in the search box.
$wgOut->addHTML($this->makeFocusJS());
} else {
if (!$wgRequest->getText('fulltext')) {
$t = SearchEngine::getNearMatch($q);
if (!is_null($t)) {
$wgOut->redirect($t->getFullURL());
wfProfileOut($fname);
return;
}
}
# No match, generate an edit URL
$t = Title::newFromText($q);
if (!$wgRequest->getText('go') || is_null($t)) {
$editurl = '';
# hrm...
} else {
wfRunHooks('SpecialSearchNogomatch', array(&$t));
# If the feature is enabled, go straight to the edit page
if ($wgGoToEdit) {
$wgOut->redirect($t->getFullURL('action=edit'));
return;
}
if ($t->quickUserCan('create') && $t->quickUserCan('edit')) {
$wgOut->addWikiText(wfMsg('noexactmatch', $t->getPrefixedText()));
} else {
$wgOut->addWikiText(wfMsg('noexactmatch-nocreate', $t->getPrefixedText()));
}
}
$case = 'ignore';
# Replace localized namespace prefixes (from lucene-search 2.0)
global $wgLuceneSearchVersion;
if ($wgLuceneSearchVersion >= 2) {
$searchq = $this->replacePrefixes($q);
if ($wgRequest->getText('fulltext') == wfMsg('searchexactcase')) {
$case = 'exact';
}
} else {
$searchq = $q;
}
global $wgDisableTextSearch;
if (!$wgDisableTextSearch) {
$results = LuceneSearchSet::newFromQuery('search', $searchq, $this->namespaces, $limit, $offset, $case);
}
if ($wgDisableTextSearch || $results === false) {
if ($wgDisableTextSearch) {
$wgOut->addHTML(wfMsg('searchdisabled'));
} else {
$wgOut->addWikiText(wfMsg('lucenefallback'));
}
$wgOut->addHTML(wfMsg('googlesearch', htmlspecialchars($q), 'utf-8', htmlspecialchars(wfMsg('search'))));
wfProfileOut($fname);
return;
}
$subtitleMsg = is_object(Title::newFromText($q)) ? 'searchsubtitle' : 'searchsubtitleinvalid';
$wgOut->setSubtitle($wgOut->parse(wfMsg($subtitleMsg, wfEscapeWikiText($q))));
// If the search returned no results, an alternate fuzzy search
// match may be displayed as a suggested search. Link it.
if ($results->hasSuggestion()) {
$suggestion = $results->getSuggestion();
$o = ' ' . wfMsg('searchdidyoumean', $this->makeLink($suggestion, $offset, $limit, $case), htmlspecialchars($suggestion));
$wgOut->addHTML('<div style="text-align: center;">' . $o . '</div>');
}
$nmtext = '';
if ($offset == 0 && !$wgLuceneDisableTitleMatches) {
$titles = LuceneSearchSet::newFromQuery('titlematch', $q, $this->namespaces, 5, $case);
if ($titles && $titles->hasResults()) {
$nmtext = '<p>' . wfMsg('searchnearmatches') . '</p>';
$nmtext .= '<ul>';
$nmtext .= implode("\n", $titles->iterateResults(array(&$this, 'formatNearMatch')));
$nmtext .= '</ul>';
$nmtext .= '<hr />';
}
}
$wgOut->addHTML($nmtext);
if (!$results->hasResults()) {
# Pass search terms back in a few different formats
# $1: Plain search terms
# $2: Search terms with s/ /_/
# $3: URL-encoded search terms
$tmsg = array(htmlspecialchars($q), htmlspecialchars(str_replace(' ', '_', $q)), wfUrlEncode($q));
$wgOut->addHtml(wfMsgWikiHtml('searchnoresults', $tmsg[0], $tmsg[1], $tmsg[2]));
} else {
#$showresults = min($limit, count($results)-$numresults);
$i = $offset;
$resq = trim(preg_replace("/[ |\\[\\]()\"{}+]+/", " ", $q));
$contextWords = implode("|", array_map(array(&$this, 'regexQuote'), $wgContLang->convertForSearchResult(split(" ", $resq))));
$top = wfMsg('searchnumber', $offset + 1, min($results->getTotalHits(), $offset + $limit), $results->getTotalHits());
$out = '<ul id="lucene-results">';
$numchunks = ceil($results->getTotalHits() / $limit);
$whichchunk = $offset / $limit;
$prevnext = "";
if ($whichchunk > 0) {
$prevnext .= '<a href="' . $this->makelink($q, $offset - $limit, $limit, $case) . '">' . wfMsg('searchprev') . '</a> ';
}
$first = max($whichchunk - 11, 0);
$last = min($numchunks, $whichchunk + 11);
//$wgOut->addWikiText("whichchunk=$whichchunk numchunks=$numchunks first=$first last=$last num=".count($chunks)." limit=$limit offset=$offset results=".count($results)."\n\n");
if ($last - $first > 1) {
for ($i = $first; $i < $last; $i++) {
if ($i === $whichchunk) {
$prevnext .= '<strong>' . ($i + 1) . '</strong> ';
} else {
$prevnext .= '<a href="' . $this->makelink($q, $limit * $i, $limit, $case) . '">' . ($i + 1) . '</a> ';
}
}
}
if ($whichchunk < $last - 1) {
$prevnext .= '<a href="' . $this->makelink($q, $offset + $limit, $limit, $case) . '">' . wfMsg('searchnext') . '</a> ';
}
$prevnext = '<div style="text-align: center;">' . $prevnext . '</div>';
$top .= $prevnext;
$out .= implode("\n", $results->iterateResults(array(&$this, 'showHit'), $contextWords));
$out .= '</ul>';
}
#$wgOut->addHTML('<hr />');
if (isset($top)) {
$wgOut->addHTML($top);
}
if (isset($out)) {
$wgOut->addHTML($out);
}
#if( isset( $prevnext ) ) $wgOut->addHTML('<hr />' . $prevnext);
if (isset($prevnext)) {
$wgOut->addHTML($prevnext);
}
$wgOut->addHTML($this->showFullDialog($q));
}
$wgOut->setRobotpolicy('noindex,nofollow');
$wgOut->setArticleRelated(false);
wfProfileOut($fname);
}