home/alospiesjs/www/apis/youtube/vendor/phar-io/manifest/src/xml/ManifestDocument.php000060400000005617151162533430025143 0ustar00, Sebastian Heuer , Sebastian Bergmann * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace PharIo\Manifest; use DOMDocument; use DOMElement; class ManifestDocument { public const XMLNS = 'https://phar.io/xml/manifest/1.0'; /** @var DOMDocument */ private $dom; public static function fromFile(string $filename): ManifestDocument { if (!\file_exists($filename)) { throw new ManifestDocumentException( \sprintf('File "%s" not found', $filename) ); } return self::fromString( \file_get_contents($filename) ); } public static function fromString(string $xmlString): ManifestDocument { $prev = \libxml_use_internal_errors(true); \libxml_clear_errors(); $dom = new DOMDocument(); $dom->loadXML($xmlString); $errors = \libxml_get_errors(); \libxml_use_internal_errors($prev); if (\count($errors) !== 0) { throw new ManifestDocumentLoadingException($errors); } return new self($dom); } private function __construct(DOMDocument $dom) { $this->ensureCorrectDocumentType($dom); $this->dom = $dom; } public function getContainsElement(): ContainsElement { return new ContainsElement( $this->fetchElementByName('contains') ); } public function getCopyrightElement(): CopyrightElement { return new CopyrightElement( $this->fetchElementByName('copyright') ); } public function getRequiresElement(): RequiresElement { return new RequiresElement( $this->fetchElementByName('requires') ); } public function hasBundlesElement(): bool { return $this->dom->getElementsByTagNameNS(self::XMLNS, 'bundles')->length === 1; } public function getBundlesElement(): BundlesElement { return new BundlesElement( $this->fetchElementByName('bundles') ); } private function ensureCorrectDocumentType(DOMDocument $dom): void { $root = $dom->documentElement; if ($root->localName !== 'phar' || $root->namespaceURI !== self::XMLNS) { throw new ManifestDocumentException('Not a phar.io manifest document'); } } private function fetchElementByName(string $elementName): DOMElement { $element = $this->dom->getElementsByTagNameNS(self::XMLNS, $elementName)->item(0); if (!$element instanceof DOMElement) { throw new ManifestDocumentException( \sprintf('Element %s missing', $elementName) ); } return $element; } }