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<?php |
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/** |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace loophp\iterators; |
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use ArrayIterator; |
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use Generator; |
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use Iterator; |
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use loophp\iterators\Contract\PausableIteratorAggregateInterface; |
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/** |
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* @template TKey |
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* @template T |
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* |
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* @implements PausableIteratorAggregateInterface<TKey, T> |
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*/ |
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final class PausableIteratorAggregate implements PausableIteratorAggregateInterface |
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{ |
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/** |
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* @var Iterator<int, array{0:TKey, 1:T}> |
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*/ |
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private Iterator $iterator; |
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/** |
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* @var PackIterableAggregate<TKey, T> |
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*/ |
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private PackIterableAggregate $iteratorAggregate; |
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/** |
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* @param Iterator<TKey, T> $iterator |
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*/ |
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public function __construct(Iterator $iterator) |
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{ |
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$this->iteratorAggregate = new PackIterableAggregate(new CachingIteratorAggregate($iterator)); |
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$this->iterator = new ArrayIterator(); |
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} |
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/** |
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* @return Generator<TKey, T> |
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*/ |
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public function getIterator(): Generator |
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{ |
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$this->iterator = $this->iteratorAggregate->getIterator(); |
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foreach ($this->iterator as [$key, $value]) { |
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yield $key => $value; |
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} |
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} |
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/** |
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* @return Generator<TKey, T> |
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*/ |
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1 |
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public function rest(): Generator |
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{ |
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for ($this->iterator->next(); $this->iterator->valid(); $this->iterator->next()) { |
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[$key, $current] = $this->iterator->current(); |
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yield $key => $current; |
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} |
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} |
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} |
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loophp /
iterators
