private static function lookForCategory(&$text, $outerTag)
{
self::$categories = array();
self::$outerTag = $outerTag;
$text = preg_replace_callback('/\\[\\[(' . self::$namespaces . '):([^]]+)]]\\n?/i', array('self', 'replaceCallback'), $text);
$result = array('text' => $text, 'categories' => self::$categories);
$maybeIndex = count(self::$maybeCategory);
if ($maybeIndex) {
//look for category ending
//TODO: this will not catch [[Category:Abc<noinclude>]]</noinclude>
if (self::$nodeLevel == self::$maybeCategory[$maybeIndex - 1]['level'] && preg_match('/^([^[]*?]])/', $text, $match)) {
$text = preg_replace('/^[^[]*?]]/', '', $text, 1);
self::$maybeCategory[$maybeIndex - 1]['end'] = $match[1];
self::$maybeCategory[$maybeIndex - 1]['beginSibblingsBefore'] = self::$maybeCategoryBegin[self::$nodeLevel];
}
}
if (preg_match('/(\\[\\[(?:' . self::$namespaces . '):.*$)/i', $text, $match)) {
self::$maybeCategory[$maybeIndex] = array('namespace' => $match[1], 'begin' => $match[1], 'level' => self::$nodeLevel);
self::$maybeCategoryBegin[self::$nodeLevel] = 0;
}
return $result;
}