public function check_node(midgardmvc_core_node $node)
{
if (!$node->up && !is_null(self::$root_node)) {
$node->up = midgardmvc_core::get_instance()->context->get_request()->get_node()->get_object()->id;
}
if (!$node->name) {
if (midgardmvc_core::get_instance()->component->is_installed('midgardmvc_helper_urlize')) {
$node->name = midgardmvc_helper_urlize::string($node->title);
} else {
$node->name = strtolower(str_replace(' ', '_', $node->title));
}
}
}
/**
* Helper function for generating "clean" URL names from titles, etc.
*
* @param string $string String to edit.
* @param string $replacer The replacement for invalid characters.
* @return string Normalized name.
*/
public static function generate_urlname_from_string($string, $replacer = "-", $r = 0)
{
if ($r > 5) {
debug_add('$r > 5, aborting', MIDCOM_LOG_ERROR);
return $string;
}
if (empty($string)) {
debug_add('$string was empty(), aborting', MIDCOM_LOG_ERROR);
return '';
}
// TODO: sanity-check $replacer ?
$orig_string = $string;
// Try to transliterate non-latin strings to URL-safe format
$string = midgardmvc_helper_urlize::string($string, $replacer);
$string = trim(str_replace('[?]', '', $string));
// Ultimate fall-back, if we couldn't get anything out of the transliteration we use the UTF-8 character hexes as the name string to have *something*
if (empty($string) || preg_match("/^{$replacer}+\$/", $string)) {
$i = 0;
// make sure this is not mb_strlen (ie mb automatic overloading off)
$len = strlen($orig_string);
$string = '';
while ($i < $len) {
$byte = $orig_string[$i];
$string .= str_pad(dechex(ord($byte)), '0', STR_PAD_LEFT);
$i++;
}
}
// Rest of spaces to underscores
$string = preg_replace('/\\s+/', '_', $string);
// Regular expression for characters to replace (the ^ means an inverted character class, ie characters *not* in this class are replaced)
$regexp = '/[^a-zA-Z0-9_-]/';
// Replace the unsafe characters with the given replacer (which is supposed to be safe...)
$safe = preg_replace($regexp, $replacer, $string);
// Strip trailing {$replacer}s and underscores from start and end of string
$safe = preg_replace("/^[{$replacer}_]+|[{$replacer}_]+\$/", '', $safe);
// Clean underscores around $replacer
$safe = preg_replace("/_{$replacer}|{$replacer}_/", $replacer, $safe);
// Any other cleanup routines ?
// We're done here, return $string lowercased
$safe = strtolower($safe);
/**
* Quick and dirty workaround for http://trac.midgard-project.org/ticket/1530 by recursing
*/
// Recurse until we make no changes to the string
if ($string === $safe) {
return $string;
}
return self::generate_urlname_from_string($safe, $replacer, $r + 1);
}