/**
* Invert the logical meaning of this assertion
*
* @return bool
*/
public function invert()
{
if ($this->inverted === true) {
$this->inverted = false;
} else {
$this->inverted = true;
}
// Iterate over all assertions and invert them.
$iterator = $this->assertionList->getIterator();
for ($i = 0; $i < $iterator->count(); $i++) {
// Get the string representation of this assertion
$iterator->current()->invert();
// Move the iterator
$iterator->next();
}
// Now invert all combinators.
foreach ($this->combinators as $key => $combinator) {
if (isset($this->inversionMapping[$combinator])) {
$this->combinators[$key] = $this->inversionMapping[$combinator];
}
}
return true;
}
