/**
* Insert a sub-range of another collection at a particular index.
*
* Inserts all elements from the range [$begin, $end), i.e. $begin is inclusive, $end is exclusive.
*
* @param integer $index The index at which the elements are inserted, if index is a negative number the elements are inserted that far from the end of the sequence.
* @param RandomAccessInterface+Vector $elements The elements to insert.
* @param integer $begin The index of the first element from $elements to insert, if begin is a negative number the removal begins that far from the end of the sequence.
* @param integer $end|null The index of the last element to $elements to insert, if end is a negative number the removal ends that far from the end of the sequence.
*
* @throws Exception\IndexException if $index, $begin or $end is out of range.
*/
public function insertRange($index, RandomAccessInterface $elements, $begin, $end = null)
{
if (!$elements instanceof self) {
throw new InvalidArgumentException('The given collection is not an instance of ' . __CLASS__ . '.');
}
$this->validateIndex($index);
$elements->validateIndex($begin);
$elements->validateIndex($end, $elements->size);
$size = $end - $begin;
$this->shiftRight($index, $size);
$this->size += $size;
while ($begin !== $end) {
$this->elements[$index++] = $elements->elements[$begin++];
}
}
/**
* Insert a sub-range of another collection at a particular index.
*
* Inserts all elements from the range [$begin, $end), i.e. $begin is inclusive, $end is exclusive.
*
* @param integer $index The index at which the elements are inserted, if index is a negative number the elements are inserted that far from the end of the sequence.
* @param RandomAccessInterface+LinkedList $elements The elements to insert.
* @param integer $begin The index of the first element from $elements to insert, if begin is a negative number the removal begins that far from the end of the sequence.
* @param integer $end|null The index of the last element to $elements to insert, if end is a negative number the removal ends that far from the end of the sequence.
*
* @throws Exception\IndexException if $index, $begin or $end is out of range.
*/
public function insertRange($index, RandomAccessInterface $elements, $begin, $end = null)
{
if (!$elements instanceof self) {
throw new InvalidArgumentException('The given collection is not an instance of ' . __CLASS__ . '.');
}
$this->validateIndex($index);
$elements->validateIndex($begin);
$elements->validateIndex($end, $elements->size);
list($head, $tail, $size) = $elements->cloneNodes($elements->nodeAt($begin), null, $end - $begin);
$this->insertNodes($index, $head, $tail, $size);
}