/**
* Print information about the visited node.
*
* @param ItemInterface $item the node to visit
*/
public function visit(ItemInterface $item)
{
if (!$item instanceof NodeInterface) {
throw new \Exception("Internal error: did not expect to visit a non-node object: {$item}");
}
if ($item->getDepth() == 0) {
$name = 'ROOT';
} elseif ($this->showFullPath) {
$name = $item->getPath();
} else {
$name = $item->getName();
}
$out = str_repeat(' ', $this->level) . '<comment>' . $name . '</comment>';
if ($this->identifiers) {
$identifier = $item->getIdentifier();
if ($identifier) {
$out .= "({$identifier})";
}
}
$out .= ':';
$this->output->writeln($out);
}
/**
* Determine whether this item is to be considered a system item that you
* usually want to hide and that should not be removed when purging the
* repository.
*
* @param ItemInterface $item
*
* @return boolean true if $item is a system item, false otherwise
*/
public static function isSystemItem(ItemInterface $item)
{
if ($item->getDepth() > 1) {
return false;
}
$name = $item->getName();
return strpos($name, 'jcr:') === 0 || strpos($name, 'rep:') === 0;
}
/**
* Called when the Visitor is passed to an Item.
*
* It calls TraversingItemVisitor::entering() followed by
* TraversingItemVisitor::leaving(). Implement these abstract methods to
* specify behavior on 'arrival at' and 'after leaving' the $item.
*
* If this method throws, the visiting process is aborted.
*
* @param ItemInterface $item the Node or Property that is accepting
* this visitor.
*
* @throws RepositoryException if an error occurs.
*
* @api
*/
public function visit(ItemInterface $item)
{
if ($this->currentDepth == 0) {
$this->currentDepth = $item->getDepth();
}
if ($item instanceof PropertyInterface) {
$this->entering($item, $this->currentDepth);
$this->leaving($item, $this->currentDepth);
} else {
/** @var $item NodeInterface */
try {
if ($this->breadthFirst === false) {
$this->entering($item, $this->currentDepth);
if ($this->maxDepth == -1 || $this->currentDepth < $this->maxDepth) {
$this->currentDepth++;
foreach ($item->getProperties() as $property) {
/** @var $property PropertyInterface */
$property->accept($this);
}
foreach ($item->getNodes() as $node) {
/** @var $node NodeInterface */
$node->accept($this);
}
$this->currentDepth--;
}
$this->leaving($item, $this->currentDepth);
} else {
$this->entering($item, $this->currentDepth);
$this->leaving($item, $this->currentDepth);
if ($this->maxDepth == -1 || $this->currentDepth < $this->maxDepth) {
foreach ($item->getProperties() as $property) {
/** @var $property PropertyInterface */
$property->accept($this);
}
foreach ($item->getNodes() as $node) {
/** @var $node NodeInterface */
$node->accept($this);
}
}
while (!$this->currentQueue->isEmpty() || !$this->nextQueue->isEmpty()) {
if ($this->currentQueue->isEmpty()) {
$this->currentDepth++;
$this->currentQueue = $this->nextQueue;
$this->nextQueue = new SplQueue();
}
$item = $this->currentQueue->dequeue();
$item->accept($this);
}
$this->currentDepth = 0;
}
} catch (RepositoryException $exception) {
$this->currentDepth = 0;
throw $exception;
}
}
}
