/**
* Parse the given condition and return it
*
* @param DOMElement $element
* @param string $name
* @return One_Permission_Rule
*/
protected static function parseCondition($element, $name = NULL)
{
$p = NULL;
$xpath = new DOMXPath(self::$_dom);
foreach (explode(':', 'rule:and:or') as $roa) {
$curr = $xpath->query('./' . $roa, $element);
if ($curr->length > 0) {
$curr = $curr->item(0);
if ($roa == 'and' || $roa == 'or') {
$p = new One_Permission_Rule_Joiner(array('type' => $roa, 'not' => $curr->getAttribute('not') == 'not' ? true : false));
$rules = $curr->getElementsByTagName('rule');
if ($rules->length > 0) {
foreach ($rules->childNodes as $rule) {
$a = array();
foreach ($rule->attributes as $attrName => $attrNode) {
$val = $attrNode->value;
if ($attrName == 'not') {
$val = $val == 'not';
}
$a[$attrName] = $val;
}
$p->addRule(new One_Permission_Rule($rule));
}
unset($curr->rule);
}
$and = $curr->getElementsByTagName('and');
$or = $curr->getElementsByTagName('or');
if ($and->length > 0 || $or->length > 0) {
$p->addRule(self::parseCondition($curr));
}
} else {
if ($roa == 'rule') {
$a = array();
foreach ($curr->attributes as $attrName => $attrNode) {
$val = $attrNode->value;
if ($attrName == 'not') {
$val = $val == 'not';
}
$a[$attrName] = $val;
}
$p = new One_Permission_Rule($a);
}
}
}
}
if (!is_null($name)) {
One_Form_Factory::$_conditions[$name] = $p;
}
return $p;
}
/**
* Parse conditions that are used to see whether you are allowed to perform certain actions on the scheme
*
* @param One_Scheme $scheme
* @param DOMXPath $xpath
* @param DOMElement $element
* @param string $name name of the rule
* @return One_Permission_Rule
*/
protected static function parseCondition(One_Scheme $scheme, DOMXPath $xpath, DOMElement $element, $name = NULL)
{
foreach (array('rule', 'and', 'or') as $roa) {
$currs = $xpath->query($element->getNodePath() . '/' . $roa);
if ($currs->length > 0) {
$curr = $currs->item(0);
if ($roa == 'and' || $roa == 'or') {
$p = new One_Permission_Rule_Joiner(array('type' => $roa, 'not' => $curr->getAttribute('not') == 'not' ? true : false));
$rules = $curr->getElementsByTagName('rule');
if ($rules->length > 0) {
for ($i = 0; $i < $rules->length; $i++) {
$rule = $rules->item($i);
$p->addRule(new One_Permission_Rule(array('type' => $rule->getAttribute('type'), 'not' => $rule->getAttribute('not') == 'not' ? true : false)));
}
unset($rule);
}
if ($curr->getElementsByTagName('and')->length > 0 || $curr->getElementsByTagName('or')->length > 0) {
$p->addRule(self::parseCondition($curr, $scheme));
}
} else {
if ($roa == 'rule') {
$p = new One_Permission_Rule(array('type' => $curr->getAttribute('type'), 'not' => $curr->getAttribute('not') == 'not' ? true : false));
}
}
}
}
if (!is_null($name)) {
$tasks = explode(';', $name);
foreach ($tasks as $task) {
if (trim($task) != '') {
$scheme->addRule($task, $p);
}
}
}
return $p;
}