diff options
Diffstat (limited to 'vendor/phar-io/manifest/src/xml/ManifestElement.php')
-rw-r--r-- | vendor/phar-io/manifest/src/xml/ManifestElement.php | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/vendor/phar-io/manifest/src/xml/ManifestElement.php b/vendor/phar-io/manifest/src/xml/ManifestElement.php new file mode 100644 index 000000000..1f57f547d --- /dev/null +++ b/vendor/phar-io/manifest/src/xml/ManifestElement.php @@ -0,0 +1,66 @@ +<?php declare(strict_types = 1); +/* + * This file is part of PharIo\Manifest. + * + * (c) Arne Blankerts <[email protected]>, Sebastian Heuer <[email protected]>, Sebastian Bergmann <[email protected]> + * + * 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; + +class ManifestElement { + public const XMLNS = 'https://phar.io/xml/manifest/1.0'; + + /** @var DOMElement */ + private $element; + + public function __construct(DOMElement $element) { + $this->element = $element; + } + + protected function getAttributeValue(string $name): string { + if (!$this->element->hasAttribute($name)) { + throw new ManifestElementException( + \sprintf( + 'Attribute %s not set on element %s', + $name, + $this->element->localName + ) + ); + } + + return $this->element->getAttribute($name); + } + + protected function getChildByName(string $elementName): DOMElement { + $element = $this->element->getElementsByTagNameNS(self::XMLNS, $elementName)->item(0); + + if (!$element instanceof DOMElement) { + throw new ManifestElementException( + \sprintf('Element %s missing', $elementName) + ); + } + + return $element; + } + + protected function getChildrenByName(string $elementName): DOMNodeList { + $elementList = $this->element->getElementsByTagNameNS(self::XMLNS, $elementName); + + if ($elementList->length === 0) { + throw new ManifestElementException( + \sprintf('Element(s) %s missing', $elementName) + ); + } + + return $elementList; + } + + protected function hasChild(string $elementName): bool { + return $this->element->getElementsByTagNameNS(self::XMLNS, $elementName)->length !== 0; + } +} |