/**
*
* @see XenForo_BbCode_Formatter_Base::filterString()
*/
public function filterString($string, array $rendererStates)
{
$string = parent::filterString($string, $rendererStates);
$userGroupIds = XenForo_Application::get('options')->waindigo_keywordReplace_excludedUserGroups;
$user = XenForo_Visitor::getInstance()->toArray();
/* @var $userModel XenForo_Model_User */
$userModel = XenForo_Model::create('XenForo_Model_User');
if (!$userModel->isMemberOfUserGroup($user, $userGroupIds) && !isset($rendererStates['insideUrl'])) {
$string = Waindigo_KeywordReplace_Helper_String::keywordReplaceString($string);
}
return $string;
}
/**
* Replaces keywords in the given string.
*
* @param string $string
* @param array|null $words Words to replace. Null to use option value.
*
* @return string
*/
public static function keywordReplaceString($string, array $words = null)
{
$allowCache = $words === null;
// ok to use cache for default
$keywordReplaceCache = $allowCache ? self::$_keywordReplaceCache : null;
$keywordLimitCache = $allowCache ? self::$_keywordLimitCache : null;
$countCache = $allowCache ? self::$_countCache : null;
if ($keywordReplaceCache === null) {
if ($words === null) {
$words = XenForo_Application::get('options')->waindigo_keywordReplace;
}
if (!$words) {
if ($allowCache) {
self::$_keywordReplaceCache = array();
self::$_keywordLimitCache = array();
}
return $string;
}
$keywordReplaceArrays = self::buildKeywordReplaceArrays($words);
$keywordReplaceCache = $keywordReplaceArrays['replaceCache'];
$keywordLimitCache = $keywordReplaceArrays['limitCache'];
$countCache = XenForo_Application::get('options')->waindigo_keywordReplace_limitPerPage;
if ($allowCache) {
self::$_keywordReplaceCache = $keywordReplaceCache;
self::$_keywordLimitCache = $keywordLimitCache;
self::$_countCache = $countCache;
}
}
foreach (array_keys($keywordReplaceCache) as $keyword) {
if (XenForo_Application::get('options')->waindigo_keywordReplace_limitPerPage) {
if ($keywordLimitCache[$keyword] != -1) {
$limit = min(array($keywordLimitCache[$keyword], $countCache));
} else {
$limit = $countCache;
}
} else {
$limit = $keywordLimitCache[$keyword];
}
$string = preg_replace($keyword, $keywordReplaceCache[$keyword], $string, $limit, $count);
if ($count && $limit != -1) {
$countCache = $countCache - $count;
if ($allowCache) {
self::$_countCache = $countCache;
self::$_keywordLimitCache[$keyword] = $keywordLimitCache[$keyword] - $count;
}
}
}
return $string;
}