/**
* Replaces a sub-path by a different (sub-) path.
*
* @param integer $offset The offset at which to replace.
* @param integer $length The length of the piece to replace.
* @param PropertyPathInterface $path The path to insert.
* @param integer $pathOffset The offset where the inserted piece
* starts in $path.
* @param integer $pathLength The length of the inserted piece.
* If 0, the full path is inserted.
*
* @throws \OutOfBoundsException If the offset is invalid.
*/
public function replace($offset, $length, PropertyPathInterface $path, $pathOffset = 0, $pathLength = 0)
{
if (!isset($this->elements[$offset])) {
throw new \OutOfBoundsException('The offset ' . $offset . ' is not within the property path');
}
if (0 === $pathLength) {
$pathLength = $path->getLength() - $pathOffset;
}
$this->resize($offset, $length, $pathLength);
for ($i = 0; $i < $pathLength; ++$i) {
$this->elements[$offset + $i] = $path->getElement($pathOffset + $i);
$this->isIndex[$offset + $i] = $path->isIndex($pathOffset + $i);
}
}
/**
* {@inheritdoc}
*/
public function isProperty()
{
return $this->path->isProperty($this->key());
}
/**
* Constructor.
*
* @param PropertyPathInterface $path The property path to traverse
*/
public function __construct(PropertyPathInterface $path)
{
parent::__construct($path->getElements());
$this->path = $path;
}