public function execute(Node $node, Context $context)
{
$sorted = array();
$orphans = array();
$path = $node->getPath();
foreach ($node->getChildren() as $key => $child) {
if ($child->hasChild('inherit')) {
$parent = $child->getChild('inherit')->getValue();
if (!is_string($parent)) {
$context->logCritical(sprintf("%s: %s: malformed inherit directive", $path, $key));
}
if (!$node->hasChild($parent)) {
$context->logCritical(sprintf("%s: %s: cannot inherit from non existing: %s", $path, $key, $parent));
}
if ($key === $parent) {
$context->logCritical(sprintf("%s: %s: cannot inherit from itself", $path, $key));
}
$child->removeChild('inherit');
$orphans[$key] = $parent;
} else {
$sorted[$key] = array();
}
}
while (!empty($orphans)) {
$count = count($orphans);
foreach ($orphans as $key => $parent) {
if (isset($sorted[$parent])) {
$sorted[$parent][] = $key;
$sorted[$key] = array();
unset($orphans[$key]);
}
}
if (count($orphans) === $count) {
$context->logCritical(sprintf("%s: circular dependency detected", $path));
}
}
foreach (array_filter($sorted) as $parent => $children) {
foreach ($children as $name) {
$node->getChild($name)->setAttribute('inherits', $node->getChild($parent)->getPath());
}
}
}
public function execute(Node $node, Context $context)
{
foreach (array('dirty', 'merge') as $key) {
if ($node->hasChild($key)) {
$dirty = $node->getChild($key);
if ($dirty instanceof ValueNode) {
$node->setAttribute($key, (bool) $dirty->getValue());
$node->removeChild($key);
}
}
}
}