public function insertAll($index, ZendX_Util_Collection_Interface $c)
{
try {
$modified = false;
$e1 = $this->listIterator($index);
$e2 = $c->iterator();
while ($e2->hasNext()) {
$e1->add($e2->next());
$modified = true;
}
return $modified;
// TODO: implement custom exceptions when I can be bothered
} catch (Zend_Exception $ex) {
if ($e->getMessage() == 'NoSuchElement') {
throw new Zend_Exception('IndexOutOfBounds');
} else {
throw $ex;
}
}
}
public function retainAll(ZendX_Util_Collection_Interface $collection)
{
$newStore = array();
$iterator = $collection->iterator();
while ($iterator->hasNext()) {
$item = $iterator->next();
if ($this->contains($item)) {
$newStore[] = $item;
}
}
$this->store = $newStore;
}
public function insertAll($index, ZendX_Util_Collection_Interface $c)
{
if ($index < 0 || $index > $this->size) {
throw new Zend_Exception('IndexOutOfBounds');
}
$a = $c->toArray();
$numNew = count($a);
if ($numNew == 0) {
return false;
}
$successor = $index == $this->size ? $this->header : $this->entry($index);
$predecessor = $successor->previous;
for ($i = 0; $i < $numNew; $i++) {
$e = new ZendX_Util_List_Entry($a[$i], $successor, $predecessor);
$predecessor->next = $e;
$predecessor = $e;
}
$successor->previous = $predecessor;
$this->size += $numNew;
return true;
}
public function insertAll($index, ZendX_Util_Collection_Interface $c)
{
if ($index > $this->size || $index < 0) {
throw new Zend_Exception('IndexOutOfBounds');
}
$a = $c->toArray();
$numNew = count($a);
if ($numNew > 0) {
// split the array into upper and lower portions at the point of insertion
$lower = array_slice($this->elementData, 0, $index);
$upper = array_slice($this->elementData, $index);
$this->elementData = array_merge($lower, $a, $upper);
$this->size += $numNew;
}
return $numNew > 0;
}
public function retainAll(ZendX_Util_Collection_Interface $c)
{
$modified = false;
$e = $this->iterator();
while ($e->hasNext()) {
if (!$c->contains($e->next())) {
$e->remove();
$modified = true;
}
}
return $modified;
}
public function insertAll($index, ZendX_Util_Collection_Interface $c)
{
$this->rangeCheck($index);
$cSize = $c->size();
if ($cSize == 0) {
return false;
}
$result = $this->list->insertAll($index + $this->offset, $c);
$this->size += $cSize;
return $result;
}
