function RuleSetIterator::next

File

vendor/composer/composer/src/Composer/DependencyResolver/RuleSetIterator.php, line 58

Class

RuleSetIterator

@author Nils Adermann <naderman@naderman.de> @implements \Iterator<RuleSet::TYPE_*|-1, Rule>

Namespace

Composer\DependencyResolver

Code

public function next() : void {
    $this->currentOffset++;
    if (!isset($this->rules[$this->currentType])) {
        return;
    }
    if ($this->currentOffset >= \count($this->rules[$this->currentType])) {
        $this->currentOffset = 0;
        do {
            $this->currentTypeOffset++;
            if (!isset($this->types[$this->currentTypeOffset])) {
                $this->currentType = -1;
                break;
            }
            $this->currentType = $this->types[$this->currentTypeOffset];
        } while (0 === \count($this->rules[$this->currentType]));
    }
}