Subversion-Projekte lars-tiefland.laravel_shop

<?php declare(strict_types = 1);

/*

 * This file is part of PharIo\Manifest.

 *

 * (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace PharIo\Manifest;

use DOMElement;

use DOMNodeList;

abstract class ElementCollection implements \Iterator {

    /** @var DOMElement[] */

    private $nodes = [];

    /** @var int */

    private $position;

    public function __construct(DOMNodeList $nodeList) {

        $this->position = 0;

        $this->importNodes($nodeList);

    }

    #[\ReturnTypeWillChange]

    abstract public function current();

    public function next(): void {

        $this->position++;

    }

    public function key(): int {

        return $this->position;

    }

    public function valid(): bool {

        return $this->position < \count($this->nodes);

    }

    public function rewind(): void {

        $this->position = 0;

    }

    protected function getCurrentElement(): DOMElement {

        return $this->nodes[$this->position];

    }

    private function importNodes(DOMNodeList $nodeList): void {

        foreach ($nodeList as $node) {

            if (!$node instanceof DOMElement) {

                throw new ElementCollectionException(

                    \sprintf('\DOMElement expected, got \%s', \get_class($node))

                );

            }

            $this->nodes[] = $node;

        }

    }

}