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<?php |
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/** |
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* Copyright (c) 2017 Ryan Parman <http://ryanparman.com>. |
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* Copyright (c) 2017 Contributors. |
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* |
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* http://opensource.org/licenses/Apache2.0 |
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*/ |
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declare(strict_types=1); |
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namespace SimplePie\Middleware\Xml; |
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use DOMXPath; |
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use SimplePie\Configuration as C; |
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use SimplePie\Mixin as T; |
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use SimplePie\Type\Generator; |
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use SimplePie\Type\Node; |
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use SimplePie\Type\Person; |
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use stdClass; |
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/** |
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* Support for the Atom 1.0 grammar. |
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* |
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* @see https://tools.ietf.org/html/rfc4287 |
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* @see https://www.w3.org/wiki/Atom |
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*/ |
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class Atom extends AbstractXmlMiddleware implements XmlInterface, C\SetLoggerInterface |
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{ |
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use T\LoggerTrait; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __invoke(stdClass $feedRoot, string $namespaceAlias, DOMXPath $xpath): void |
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{ |
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// lang (single, scalar) |
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$this->addArrayProperty($feedRoot, 'lang'); |
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$xq = $xpath->query($this->applyNsToQuery('/%s:feed[attribute::xml:lang][1]/@xml:lang', $namespaceAlias)); |
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$feedRoot->lang[$namespaceAlias] = ($xq->length > 0) |
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? Node::factory((string) $xq->item(0)->value) |
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: null; |
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// single, scalar |
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foreach (['id', 'rights', 'subtitle', 'summary', 'title'] as $nodeName) { |
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$this->addArrayProperty($feedRoot, $nodeName); |
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$feedRoot->{$nodeName}[$namespaceAlias] = $this->getSingle($nodeName, $namespaceAlias, $xpath); |
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} |
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// time/date stamps |
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foreach (['published', 'updated'] as $nodeName) { |
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$this->addArrayProperty($feedRoot, $nodeName); |
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$feedRoot->{$nodeName}[$namespaceAlias] = $this->getSingle($nodeName, $namespaceAlias, $xpath); |
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} |
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// generator (single, complex) |
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$this->addArrayProperty($feedRoot, 'generator'); |
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$xq = $xpath->query($this->generateQuery($namespaceAlias, true, 'feed', 'generator')); |
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$feedRoot->generator[$namespaceAlias] = ($xq->length > 0) |
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? new Generator($xq->item(0), $this->getLogger()) |
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: null; |
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// author (single, complex) |
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$this->addArrayProperty($feedRoot, 'author'); |
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$xq = $xpath->query($this->generateQuery($namespaceAlias, true, 'feed', 'author')); |
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$feedRoot->author[$namespaceAlias] = ($xq->length > 0) |
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? new Person($xq->item(0), $this->getLogger()) |
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: null; |
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// contributor (multiple, complex) |
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$this->addArrayProperty($feedRoot, 'contributor'); |
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$xq = $xpath->query($this->generateQuery($namespaceAlias, true, 'feed', 'contributor')); |
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$feedRoot->contributor[$namespaceAlias] = []; |
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foreach ($xq as $result) { |
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$feedRoot->contributor[$namespaceAlias][] = new Person($result, $this->getLogger()); |
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} |
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} |
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/** |
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* Find and read the contents of the feed-level nodes which only have a single value. |
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* |
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* @param string $nodeName The name of the namespaced XML node to read. |
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* @param string $namespaceAlias The preferred namespace alias for a given XML namespace URI. Should be the result |
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* of a call to `SimplePie\Util\Ns`. |
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* @param DOMXPath $xpath The `DOMXPath` object with this middleware's namespace alias applied. |
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* |
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* @return Node |
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*/ |
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protected function getSingle(string $nodeName, string $namespaceAlias, DOMXPath $xpath): Node |
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{ |
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$query = $this->generateQuery($namespaceAlias, true, 'feed', $nodeName); |
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$this->getLogger()->debug(\sprintf('%s is running an XPath query:', __CLASS__), [$query]); |
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return $this->handleSingleNode(static function () use ($xpath, $query) { |
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return $xpath->query($query); |
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}); |
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} |
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} |
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simplepie /
simplepie-ng
An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name.
If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading.