/**
* Prepares the search text for use in a full-text query
*
* @param string Raw query text with AND, OR, and NOT
* @param array (Output) Array of errors
*
* @return string Full-text query
*/
function prepare_search_text($query_text, &$errors)
{
$old_ft_search = $this->registry->options['fulltextsearch'];
$this->registry->options['fulltextsearch'] = 1;
// look for entire words that consist of "Ӓ". MySQL boolean
// search will tokenize them seperately. Wrap them in quotes if they're
// not already to emulate search for exactly that word.
$query = explode('"', $query_text);
$query_part_count = count($query);
$query_text = '';
for ($i = 0; $i < $query_part_count; $i++) {
// exploding by " means the 0th, 2nd, 4th... entries in the array
// are outside of quotes
if ($i % 2 == 1) {
// 1st, 3rd.. entry = in quotes
$query_text .= '"' . $query["{$i}"] . '"';
} else {
// look for words that are entirely Ӓ
$query_text .= preg_replace('/(?<=^|\\s)((&#[0-9]+;)+)(?=\\s|$)/', '"$1"', $query["{$i}"]);
}
}
$query_text = preg_replace('#"([^"]+)"#sie', "stripslashes(str_replace(' ' , '*', '\\0'))", $query_text);
require_once DIR . '/includes/functions_search.php';
$query_text = sanitize_search_query($query_text, $errors);
if (!$errors) {
// a tokenizing based approach to building a search query
preg_match_all('#("[^"]*"|[^\\s]+)#', $query_text, $matches, PREG_SET_ORDER);
$new_query_text = '';
$token_joiner = null;
foreach ($matches as $match) {
if ($match[1][0] == '-') {
// NOT has already been converted
$new_query_text = "({$new_query_text}) {$match['1']}";
continue;
}
switch (strtoupper($match[1])) {
case 'OR':
case 'AND':
case 'NOT':
// this isn't a searchable word, but a joiner
$token_joiner = strtoupper($match[1]);
break;
default:
verify_word_allowed($match[1]);
if ($new_query_text !== '') {
switch ($token_joiner) {
case 'OR':
// OR is no operator
$new_query_text .= " {$match['1']}";
break;
case 'NOT':
// NOT this, but everything before it
$new_query_text = "({$new_query_text}) -{$match['1']}";
break;
case 'AND':
default:
// if we didn't have a joiner, default to and
$new_query_text = "+({$new_query_text}) +{$match['1']}";
break;
}
} else {
$new_query_text = $match[1];
}
$token_joiner = null;
}
}
$query_text = $new_query_text;
}
$this->registry->options['fulltextsearch'] = $old_ft_search;
return trim($query_text);
}
$query_parts .= ' ';
}
$space_skipped = true;
if (preg_match('/(&#[0-9]+;|\\.|-)/s', $query_part)) {
$query_parts .= '"' . $query_part . '"';
} else {
$query_parts .= $query_part;
}
}
$vbulletin->GPC['query'] .= $query_parts;
}
}
$vbulletin->GPC['query'] = preg_replace('#"([^"]+)"#sie', "stripslashes(str_replace(' ' , '*', '\\0'))", $vbulletin->GPC['query']);
// what about replacement words??
}
$vbulletin->GPC['query'] = sanitize_search_query($vbulletin->GPC['query'], $errors);
}
if (empty($errors)) {
// #############################################################################
// get forums in which to search
$forumchoice = implode(',', fetch_search_forumids($vbulletin->GPC['forumchoice'], $vbulletin->GPC['childforums']));
// get prefixes
if (in_array('', $vbulletin->GPC['prefixchoice']) or empty($vbulletin->GPC['prefixchoice'])) {
// any prefix
$vbulletin->GPC['prefixchoice'] = array();
$prefixchoice = '';
$display_prefixes = array();
} else {
$vbulletin->GPC['prefixchoice'] = array_unique($vbulletin->GPC['prefixchoice']);
$prefixchoice = implode(',', $vbulletin->GPC['prefixchoice']);
$display_prefixes = $vbulletin->GPC['prefixchoice'];
/**
* Set the keywords
*
* @param string $keywords
* @param bool $titleonly true if onl
*/
public function add_keyword_filter($keywords, $titleonly)
{
if (!trim($keywords)) {
return;
}
$this->raw_keywords = $keywords;
$this->titleonly = $titleonly;
//this needs to be before sanitize for historical reasons.
//sanitize probably needs to go away, but now is not the time.
$keywords = $this->quote_problem_words($keywords);
$errors = array();
require_once DIR . '/includes/functions_search.php';
$keywords = sanitize_search_query($keywords, $errors);
if (count($errors)) {
$this->errors = array_merge($this->errors, $errors);
return;
}
//parse the query string into the words array.
$words = $this->get_words($keywords);
$this->keywords = $words;
//set the keywords display
$display_string = $this->format_keyword_display_string($words);
$this->set_keyword_display_string($display_string);
//set the words to highlight
$highlights = array();
foreach ($words as $word_item) {
if ($word_item['joiner'] != 'NOT') {
$highlights[] = $word_item['word'];
}
}
$this->set_highlights($highlights);
$this->criteria_set = true;
}