62 lines
1.5 KiB
PHP
62 lines
1.5 KiB
PHP
<?php declare(strict_types = 1);
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/*
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* This file is part of PharIo\Manifest.
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*
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* (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace PharIo\Manifest;
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use DOMElement;
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use DOMNodeList;
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abstract class ElementCollection implements \Iterator {
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/** @var DOMElement[] */
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private $nodes = [];
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/** @var int */
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private $position;
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public function __construct(DOMNodeList $nodeList) {
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$this->position = 0;
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$this->importNodes($nodeList);
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}
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#[\ReturnTypeWillChange]
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abstract public function current();
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public function next(): void {
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$this->position++;
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}
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public function key(): int {
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return $this->position;
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}
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public function valid(): bool {
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return $this->position < \count($this->nodes);
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}
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public function rewind(): void {
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$this->position = 0;
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}
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protected function getCurrentElement(): DOMElement {
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return $this->nodes[$this->position];
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}
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private function importNodes(DOMNodeList $nodeList): void {
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foreach ($nodeList as $node) {
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if (!$node instanceof DOMElement) {
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throw new ElementCollectionException(
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\sprintf('\DOMElement expected, got \%s', \get_class($node))
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);
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}
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$this->nodes[] = $node;
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}
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}
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}
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