/**
* Lazily append the next iterator to the chain
*/
private function lazyAppend()
{
if (!parent::valid() and $this->iterators->valid()) {
$this->append($this->iterators->current());
$this->iterators->next();
}
}
public function next()
{
$this->it->next();
if ($this->currentLen !== 0) {
--$this->currentLen;
}
}
/**
* @param ObserverInterface $observer
* @param SchedulerInterface|null $scheduler
* @return \Rx\Disposable\CompositeDisposable|\Rx\DisposableInterface
*/
public function subscribe(ObserverInterface $observer, SchedulerInterface $scheduler = null)
{
$scheduler = $scheduler ?: new ImmediateScheduler();
$key = 0;
return $scheduler->scheduleRecursive(function ($reschedule) use(&$observer, &$key) {
try {
//HHVM requires you to call next() before current()
if (defined('HHVM_VERSION')) {
$this->items->next();
$key = $this->items->key();
}
if (null === $key) {
$observer->onCompleted();
return;
}
$current = $this->items->current();
$observer->onNext($current);
if (!defined('HHVM_VERSION')) {
$this->items->next();
$key = $this->items->key();
}
$reschedule();
} catch (\Exception $e) {
$observer->onError($e);
}
});
}
public function next()
{
if (!$this->usingCache) {
$this->innerIterator->next();
}
++$this->position;
}
public function next()
{
$this->i++;
if ($this->valid()) {
$this->it->next();
}
}
public function next()
{
$this->projectionNeeded = true;
unset($this->current);
unset($this->currentKey);
return $this->innerIterator->next();
}
public function next()
{
parent::next();
if (!parent::valid()) {
$this->source->next();
}
}
public function next()
{
while (true) {
$this->it->next();
if ($this->it->valid()) {
if ($this->fetch()) {
break;
}
} else {
if ($this->it === $this->it0) {
$this->it = $this->it1;
$this->it->rewind();
if ($this->it->valid()) {
if ($this->fetch()) {
break;
}
} else {
break;
}
} else {
break;
}
}
}
}
/**
* {@inheritdoc}
*/
public function next()
{
$this->neighbour->next();
if (!$this->neighbour->valid()) {
$this->neighbour->rewind();
parent::next();
}
}
public function next()
{
$this->currentIt->next();
if ($this->state === 1 && !$this->currentIt->valid()) {
$this->currentIt = $this->it2;
$this->state = 2;
}
}
public function next()
{
$this->i++;
if ($this->cacheSize == $this->i) {
$this->it->next();
$this->memo();
}
}
public function next()
{
$this->i++;
$this->it->next();
if ($this->it === $this->it0 && !$this->it->valid()) {
$this->it = $this->it1;
}
}
public function next()
{
$this->points->next();
if (!$this->points->valid()) {
$this->series->next();
$serie = $this->series->current();
$this->points = new \ArrayIterator($serie ? $serie['values'] : []);
}
}
/**
* {@inheritdoc}
*/
public function next()
{
$this->key++;
$this->getCurrentIterator()->next();
if (!$this->currentIterator->valid()) {
$this->mainIterator->next();
$this->currentIterator = $this->mainIterator->current();
}
}
public function next()
{
$this->i++;
$this->it->next();
$v = $this->it->valid();
if (!$v) {
$this->it->rewind();
}
}
public function next()
{
$this->inner->next();
if (!$this->inner->valid()) {
$this->outer->next();
$this->fetchOuter();
}
$this->fetchInner();
}
public function fetch($fetchMode = null)
{
if (!$this->currentIterator) {
$this->currentIterator = $this->getIterator();
}
$data = $this->currentIterator->current();
$this->currentIterator->next();
return $data;
}
public function next()
{
if ($this->skipNext === true) {
$this->skipNext = false;
return;
}
$this->iterator->next();
$this->stack->push($this->iterator->current());
}
/**
* @param $limit
* @return Resource[]
*/
public function collect($limit = -1)
{
$resources = array();
while ($limit && $this->iterator->valid()) {
$resources[] = $this->iterator->current();
$this->iterator->next();
$limit--;
}
return $resources;
}
/**
* @return string
*/
public function dir_readdir()
{
if ($this->iterator->valid()) {
$result = $this->iterator->current();
$this->iterator->next();
return $result;
} else {
return false;
}
}
/**
* {@inheritdoc}
*/
public function next()
{
if ($this->subIterate && $this->subIterate->valid()) {
$this->subIterate->next();
}
if (!$this->subIterate->valid()) {
$this->toIterate->next();
$this->initializeSubIterate();
}
++$this->position;
}
public function rewind()
{
$this->i = 0;
$this->it->rewind();
for ($j = 0; $j < $this->n; $j++) {
if ($this->it->valid()) {
$this->it->next();
} else {
break;
}
}
}
public function rewind()
{
$this->i = 0;
$this->it->rewind();
while ($this->it->valid()) {
if ($this->predicate->predicate($this->it->current(), $this->it->key())) {
$this->it->next();
} else {
break;
}
}
}
public function next()
{
$this->inner->next();
while (!$this->inner->valid()) {
$this->outer->next();
$this->fetchOuter();
if ($this->inner === null) {
break;
}
}
$this->fetchInner();
}
public function next()
{
while (true) {
$this->it->next();
if ($this->it->valid()) {
if ($this->fetch()) {
break;
}
} else {
break;
}
}
}
/**
* @inheritdoc
*/
public function current()
{
$current = $this->delegatorReader->current();
if (!$current) {
$this->iterator->next();
if (!$this->iterator->valid()) {
return false;
}
$resource = $this->convertResource($this->resource, $this->iterator->current());
$this->delegatorReader->open($resource);
return $this->current();
}
return $current;
}
/**
* @return Generator
*/
private function iterateAndCache()
{
foreach ($this->cache as $key => $value) {
(yield $key => $value);
}
if ($this->innerIterator !== null) {
while ($this->innerIterator->valid()) {
$this->cache[$this->innerIterator->key()] = $this->innerIterator->current();
(yield $this->innerIterator->key() => $this->innerIterator->current());
$this->innerIterator->next();
}
$this->innerIterator = null;
}
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Return the current element
* @link http://php.net/manual/en/iterator.current.php
* @return array Can return any type.
*/
public function current()
{
if ($this->currentGroup == null) {
$left = $this->groupSize;
$this->currentGroup = array();
while ($this->innerIterator->valid()) {
if ($left-- <= 0) {
break;
}
$this->currentGroup[] = $this->innerIterator->current();
$this->innerIterator->next();
}
}
return $this->currentGroup;
}
public function read()
{
if (!isset($this->iterator)) {
$this->initializeIterator();
}
if (!$this->iterator->valid()) {
return null;
}
$current = $this->iterator->current();
if ($this->stepExecution) {
$this->stepExecution->incrementSummaryInfo('read');
}
$this->iterator->next();
return $current;
}
public function read()
{
if (!isset($this->iterator)) {
$this->initializeIterator();
}
if (!$this->iterator->valid()) {
return null;
}
$current = $this->iterator->current();
if ($this->stepExecution) {
$this->stepExecution->incrementSummaryInfo('read');
}
$this->iterator->next();
return $this->convertNumericIdentifierToString($current);
}
