private function &execute()
{
$results = array();
if (count($this->tags) <= 0 && count($this->words) <= 0) {
return $results;
}
if (!file_exists(GSDATAOTHERPATH . I18N_WORD_INDEX)) {
create_i18n_search_index();
}
$isi18n = function_exists('i18n_init');
// use multibyte string functions?
$ismb = function_exists('mb_ereg_replace');
if ($ismb) {
mb_regex_encoding('UTF-8');
}
// language?
$defaultLanguage = function_exists('return_i18n_default_language') ? return_i18n_default_language() : '';
$languages = function_exists('return_i18n_languages') ? $this->language ? array($this->language) : return_i18n_languages() : array($defaultLanguage);
// scores per id
$idScores = null;
$tagIds = array();
if ($this->tags && count($this->tags) > 0) {
for ($i = 0; $i < count($this->tags); $i++) {
if ($ismb) {
$this->tags[$i] = mb_ereg_replace("[^\\w]", "_", mb_strtolower(trim($this->tags[$i]), 'UTF-8'));
} else {
$this->tags[$i] = preg_replace("/[^\\w]/", "_", strtolower(trim($this->tags[$i])));
}
$tagIds[$this->tags[$i]] = array();
}
$f = fopen(GSDATAOTHERPATH . I18N_TAG_INDEX, "r");
while (($line = fgets($f)) !== false) {
foreach ($this->tags as $tag) {
if (strncmp($line, $tag . ' ', strlen($tag) + 1) == 0) {
$fullids = preg_split("/\\s+/", trim($line));
unset($fullids[0]);
foreach ($fullids as $fullid) {
$tagIds[$tag][$fullid] = 1;
}
}
}
}
fclose($f);
foreach ($this->tags as $tag) {
if ($idScores === null) {
$idScores = $tagIds[$tag];
} else {
$idScores = array_intersect_key($idScores, $tagIds[$tag]);
}
}
}
if ($this->words && count($this->words) > 0) {
$wordIds = array();
for ($i = 0; $i < count($this->words); $i++) {
if ($ismb) {
$this->words[$i] = mb_strtolower(trim($this->words[$i]), 'UTF-8');
} else {
$this->words[$i] = strtolower(trim($this->words[$i]));
}
$wordIds[$this->words[$i]] = array();
}
$f = fopen(GSDATAOTHERPATH . I18N_WORD_INDEX, "r");
while (($line = fgets($f)) !== false) {
foreach ($this->words as $word) {
if ($this->is_word($line, $word, $ismb)) {
$fullidAndScores = preg_split("/\\s+/", trim($line));
unset($fullidAndScores[0]);
foreach ($fullidAndScores as $fullidAndScore) {
$pos = strrpos($fullidAndScore, ":");
$score = (int) substr($fullidAndScore, $pos + 1);
$fullid = substr($fullidAndScore, 0, $pos);
if (isset($wordIds[$word][$fullid])) {
$wordIds[$word][$fullid] += $score;
} else {
if ($idScores == null || isset($idScores[$fullid])) {
$wordIds[$word][$fullid] = $score;
}
}
}
}
}
}
fclose($f);
foreach ($this->words as $word) {
if ($idScores === null) {
$idScores = $wordIds[$word];
} else {
$idScores = array_intersect_key($idScores, $wordIds[$word]);
foreach ($idScores as $fullid => $score) {
$idScores[$fullid] = $score * $wordIds[$word][$fullid];
}
}
}
}
$filteredresults = array();
if ($idScores && count($idScores) > 0) {
$idPubDates = array();
$idCreDates = array();
$f = fopen(GSDATAOTHERPATH . I18N_DATE_INDEX, "r");
while (($line = fgets($f)) !== false) {
$items = preg_split("/\\s+/", trim($line));
$fullid = $items[0];
if (count($items) >= 2 && isset($idScores[$fullid])) {
$idPubDates[$fullid] = (int) $items[1];
$idCreDates[$fullid] = count($items) >= 3 ? (int) $items[2] : (int) $items[1];
}
}
fclose($f);
foreach ($idScores as $fullid => $score) {
if ($isi18n) {
$pos = strrpos($fullid, "_");
$language = $pos !== false ? substr($fullid, $pos + 1) : $defaultLanguage;
$id = $pos !== false ? substr($fullid, 0, $pos) : $fullid;
} else {
$language = '';
$id = $fullid;
}
if (in_array($language, $languages)) {
// ignore language, if not default and not requested by user
if (substr($id, 0, 1) == '#') {
$ispage = false;
$id = substr($id, 1);
} else {
$ispage = true;
}
if ($ispage) {
$results[] = new I18nSearchResultPage($id, $language, $idCreDates[$fullid], $idPubDates[$fullid], $idScores[$fullid]);
} else {
global $filters;
$item = null;
foreach ($filters as $filter) {
if ($filter['filter'] == I18N_FILTER_SEARCH_ITEM) {
$item = call_user_func_array($filter['function'], array($id, $language, $idCreDates[$fullid], $idPubDates[$fullid], $idScores[$fullid]));
if ($item) {
break;
}
}
}
$results[] = $item ? $item : new I18nSearchResultItem($id, $language, $idCreDates[$fullid], $idPubDates[$fullid], $idScores[$fullid]);
}
}
}
foreach ($results as $item) {
global $filters;
$vetoed = false;
foreach ($filters as $filter) {
if ($filter['filter'] == I18N_FILTER_VETO_SEARCH_ITEM) {
if (call_user_func_array($filter['function'], array($item))) {
$vetoed = true;
break;
}
}
}
if (!$vetoed) {
$filteredresults[] = $item;
}
}
switch ($this->sort_field) {
case 'url':
usort($filteredresults, array($this, 'compare_url'));
break;
case 'date':
usort($filteredresults, array($this, 'compare_date'));
break;
case 'created':
usort($filteredresults, array($this, 'compare_created'));
break;
case 'score':
usort($filteredresults, array($this, 'compare_score'));
break;
default:
usort($filteredresults, array($this, 'compare_field'));
}
if ($this->sort_order == '-') {
$filteredresults = array_reverse($filteredresults);
}
}
return $filteredresults;
}
<?php
$slug = @$params['slug'];
$is_ajax = !isset($params['ajax']) || $params['ajax'];
$addtags = isset($params['addTags']) ? preg_split('/\\s+/', trim($params['addTags'])) : null;
$reqtags = trim(@$_REQUEST['tags']) ? preg_split('/\\s+/', trim($_REQUEST['tags'])) : null;
$language = isset($params['lang']) ? $params['lang'] : null;
// languages
$isi18n = function_exists('return_i18n_languages');
$defaultLanguage = $isi18n ? return_i18n_default_language() : '';
$languages = $isi18n ? $language ? array($language) : return_i18n_languages() : null;
// read tag file
if (!file_exists(GSDATAOTHERPATH . I18N_WORD_INDEX)) {
create_i18n_search_index();
}
$alltags = array();
$f = fopen(GSDATAOTHERPATH . I18N_TAG_INDEX, "r");
while (($line = fgets($f)) !== false) {
$items = preg_split("/\\s+/", trim($line));
$tag = array_shift($items);
if ($languages) {
// filter items
$filteredItems = array();
foreach ($items as $item) {
$pos = strrpos($item, '_');
$lang = $pos !== false ? substr($item, $pos + 1) : $defaultLanguage;
if (in_array($lang, $languages)) {
$filteredItems[] = $item;
}
}
if (count($filteredItems) > 0) {
