/**
* @see \wcf\system\bbcode\highlighter\Highlighter::cacheQuotes()
*/
protected function cacheQuotes($string)
{
$string = parent::cacheQuotes($string);
// highlight CDATA-Tags as quotes
$string = Regex::compile('<!\\[CDATA\\[.*?\\]\\]>', Regex::DOT_ALL)->replace($string, new Callback(function (array $matches) {
return StringStack::pushToStringStack('<span class="hlQuotes">' . StringUtil::encodeHTML($matches[0]) . '</span>', 'highlighterQuotes');
}));
return $string;
}
/**
* @see \wcf\system\bbcode\highlighter\Highlighter::cacheQuotes()
*/
protected function cacheQuotes($string)
{
if ($this->quotesRegEx !== null) {
$string = $this->quotesRegEx->replace($string, new Callback(function (array $matches) {
return StringStack::pushToStringStack('<span class="hlQuotes">' . StringUtil::encodeHTML($matches[0]) . '</span>', 'highlighterQuotes', "");
}));
}
return $string;
}
/**
* Caches scripts and styles in the given string.
*
* @param string $string
* @return string
*/
protected function cacheScriptsAndStyles($string)
{
$regex = new Regex('(<(style|script)[^>]*>)(.*?)(</\\2>)', Regex::CASE_INSENSITIVE | Regex::DOT_ALL);
return $regex->replace($string, new Callback(function ($matches) {
$type = $matches[2] === 'script' ? 'js' : 'css';
// strip slashes
$content = str_replace('\\"', '"', $matches[3]);
$openingTag = str_replace('\\"', '"', $matches[1]);
$closingTag = str_replace('\\"', '"', $matches[4]);
if (StringUtil::trim($content) == '') {
return $matches[0];
}
$class = '\\wcf\\system\\bbcode\\highlighter\\' . ucfirst($type) . 'Highlighter';
return $openingTag . StringStack::pushToStringStack('<span class="' . $type . 'Highlighter">' . $class::getInstance()->highlight($content) . '</span>', 'htmlHighlighter' . ucfirst($type)) . $closingTag;
}));
}
/**
* Callback function used in fixQuery()
*/
private static function replaceQuotesCallback($matches)
{
return StringStack::pushToStringStack($matches[0], 'postgresQuotes');
}
/**
* Caches all bbcodes that contain URLs.
*/
protected function cacheURLBBCodes()
{
static $bbcodeRegex = null;
static $callback = null;
if ($bbcodeRegex === null) {
$bbcodeRegex = new Regex("\n\t\t\t\t(?:\\[quote\n\t\t\t\t(?:=\n\t\t\t\t\t(?:\\'[^\\'\\\\]*(?:\\\\.[^\\'\\\\]*)*\\'|[^,\\]]*)\n\t\t\t\t\t(?:,(?:\\'[^\\'\\\\]*(?:\\\\.[^\\'\\\\]*)*\\'|[^,\\]]*))*\n\t\t\t\t)?\\])\n\t\t\t\t|\n\t\t\t\t(?:\\[(url|media|email|img)\n\t\t\t\t(?:=\n\t\t\t\t\t(?:\\'[^\\'\\\\]*(?:\\\\.[^\\'\\\\]*)*\\'|[^,\\]]*)\n\t\t\t\t\t(?:,(?:\\'[^\\'\\\\]*(?:\\\\.[^\\'\\\\]*)*\\'|[^,\\]]*))*\n\t\t\t\t)?\\])\n\t\t\t\t(.*?)\n\t\t\t\t(?:\\[/\\1\\])", Regex::DOT_ALL | Regex::IGNORE_WHITESPACE | Regex::CASE_INSENSITIVE);
$callback = new Callback(function ($matches) {
return '[' . StringStack::pushToStringStack(mb_substr($matches[0], 1, -1), 'urlBBCodes', "") . ']';
});
}
$this->text = $bbcodeRegex->replace($this->text, $callback);
}
/**
* @see \wcf\system\event\listener\IParameterizedEventListener::execute()
*/
public function execute($eventObj, $className, $eventName, array &$parameters)
{
if (!$eventObj->text) {
return;
}
// check if needed url BBCode is allowed
if ($eventObj->allowedBBCodes !== null && !BBCode::isAllowedBBCode('url', $eventObj->allowedBBCodes)) {
return;
}
static $userRegex = null;
if ($userRegex === null) {
$userRegex = new Regex("\n\t\t\t\t(?:^|(?<=\\s|\\]))\t\t\t\t\t# either at start of string, or after whitespace\n\t\t\t\t@\n\t\t\t\t(\n\t\t\t\t\t([^',\\s][^,\\s]{2,})(?:\\s[^,\\s]+)?\t# either at most two strings, not containing\n\t\t\t\t\t\t\t\t\t\t# whitespace or the comma, not starting with a single quote\n\t\t\t\t\t\t\t\t\t\t# separated by a single whitespace character\n\t\t\t\t|\n\t\t\t\t\t'(?:''|[^']){3,}'\t\t\t# or a string delimited by single quotes\n\t\t\t\t)\n\t\t\t", Regex::IGNORE_WHITESPACE);
}
// cache quotes
// @see \wcf\system\bbcode\BBCodeParser::buildTagArray()
$pattern = '~\\[(?:/(?:quote)|(?:quote)
(?:=
(?:\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'|[^,\\]]*)
(?:,(?:\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'|[^,\\]]*))*
)?)\\]~ix';
preg_match_all($pattern, $eventObj->text, $quoteMatches);
$textArray = preg_split($pattern, $eventObj->text);
$text = $textArray[0];
$openQuotes = 0;
$quote = '';
foreach ($quoteMatches[0] as $i => $quoteTag) {
if (mb_substr($quoteTag, 1, 1) == '/') {
$openQuotes--;
$quote .= $quoteTag;
if ($openQuotes) {
$quote .= $textArray[$i + 1];
} else {
$text .= StringStack::pushToStringStack($quote, 'preParserUserMentions', '@@@') . $textArray[$i + 1];
$quote = '';
}
} else {
$openQuotes++;
$quote .= $quoteTag . $textArray[$i + 1];
}
}
if ($quote) {
$text .= $quote;
}
$userRegex->match($text, true, Regex::ORDER_MATCH_BY_SET);
$matches = $userRegex->getMatches();
if (!empty($matches)) {
$usernames = array();
foreach ($matches as $match) {
// we don't care about the full match
array_shift($match);
foreach ($match as $username) {
$username = self::getUsername($username);
if (!in_array($username, $usernames)) {
$usernames[] = $username;
}
}
}
if (!empty($usernames)) {
// fetch users
$userList = new UserList();
$userList->getConditionBuilder()->add('user_table.username IN (?)', array($usernames));
$userList->readObjects();
$users = array();
foreach ($userList as $user) {
$users[mb_strtolower($user->username)] = $user;
}
$text = $userRegex->replace($text, new Callback(function ($matches) use($users) {
// containing the full match
$usernames = array($matches[1]);
// containing only the part before the first space
if (isset($matches[2])) {
$usernames[] = $matches[2];
}
$usernames = array_map(array('\\wcf\\system\\event\\listener\\PreParserAtUserListener', 'getUsername'), $usernames);
foreach ($usernames as $username) {
if (!isset($users[$username])) {
continue;
}
$link = LinkHandler::getInstance()->getLink('User', array('appendSession' => false, 'object' => $users[$username]));
$mention = "[url='" . $link . "']@" . $users[$username]->username . '[/url]';
// check if only the part before the first space matched, in that case append the second word
if (isset($matches[2]) && strcasecmp($matches[2], $username) === 0) {
$mention .= mb_substr($matches[1], strlen($matches[2]));
}
return $mention;
}
return $matches[0];
}));
}
}
// reinsert cached quotes
$eventObj->text = StringStack::reinsertStrings($text, 'preParserUserMentions');
}
/**
* Callback function used in replaceConstants()
*/
private function replaceConstantsCallback($matches) {
return StringStack::pushToStringStack($matches[1], 'constants');
}