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73 lines
2.1 KiB
73 lines
2.1 KiB
1 year ago
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<?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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* Copyright (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de> and contributors
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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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*/
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namespace PharIo\Manifest;
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use DOMElement;
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use DOMNodeList;
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use function sprintf;
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class ManifestElement {
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public const XMLNS = 'https://phar.io/xml/manifest/1.0';
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/** @var DOMElement */
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private $element;
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public function __construct(DOMElement $element) {
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$this->element = $element;
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}
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protected function getAttributeValue(string $name): string {
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if (!$this->element->hasAttribute($name)) {
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throw new ManifestElementException(
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sprintf(
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'Attribute %s not set on element %s',
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$name,
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$this->element->localName
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)
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);
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}
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return $this->element->getAttribute($name);
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}
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protected function hasAttribute(string $name): bool {
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return $this->element->hasAttribute($name);
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}
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protected function getChildByName(string $elementName): DOMElement {
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$element = $this->element->getElementsByTagNameNS(self::XMLNS, $elementName)->item(0);
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if (!$element instanceof DOMElement) {
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throw new ManifestElementException(
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sprintf('Element %s missing', $elementName)
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);
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}
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return $element;
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}
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protected function getChildrenByName(string $elementName): DOMNodeList {
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$elementList = $this->element->getElementsByTagNameNS(self::XMLNS, $elementName);
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if ($elementList->length === 0) {
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throw new ManifestElementException(
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sprintf('Element(s) %s missing', $elementName)
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);
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}
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return $elementList;
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}
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protected function hasChild(string $elementName): bool {
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return $this->element->getElementsByTagNameNS(self::XMLNS, $elementName)->length !== 0;
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}
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}
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