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<?php |
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/** |
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* Copyright (c) 2017–2018 Ryan Parman <http://ryanparman.com>. |
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* Copyright (c) 2017–2018 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; |
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use Psr\Http\Message\StreamInterface; |
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use Psr\Log\NullLogger; |
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use SimplePie\Configuration as C; |
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use SimplePie\Middleware\Xml\Atom; |
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use SimplePie\Mixin as Tr; |
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use SimplePie\Parser\Xml as XmlParser; |
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\define('SIMPLEPIE_ROOT', __DIR__); |
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/** |
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* `SimplePie\SimplePie` is the primary entry point for SimplePie NG. |
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*/ |
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class SimplePie implements C\SetLoggerInterface |
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{ |
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use Tr\LoggerTrait; |
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/** |
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* Bitwise libxml options to use for parsing XML. |
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* |
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* @var int |
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*/ |
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protected $libxml; |
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/** |
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* The handler stack which contains registered middleware. |
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* |
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* @var HandlerStackInterface |
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*/ |
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protected $middleware; |
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/** |
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* Constructs a new instance of this class. |
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*/ |
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public function __construct() |
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{ |
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// Default logger |
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$this->logger = new NullLogger(); |
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// Default middleware stack |
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$this->middleware = new HandlerStack(); |
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$this->middleware->setLogger($this->getLogger()); |
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$this->middleware->append(new Atom(), 'atom'); |
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// Default libxml2 settings |
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$this->libxml = LIBXML_HTML_NOIMPLIED // Required, or things crash. |
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| LIBXML_BIGLINES |
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| LIBXML_COMPACT |
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| LIBXML_HTML_NODEFDTD |
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| LIBXML_NOBLANKS |
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| LIBXML_NOENT |
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| LIBXML_NOXMLDECL |
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| LIBXML_NSCLEAN |
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| LIBXML_PARSEHUGE; |
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} |
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/** |
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* Sets the libxml value to use for parsing XML. |
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* |
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* @param int $libxml |
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* |
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* @return int |
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*/ |
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public function setLibxml(int $libxml) |
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{ |
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$this->libxml = $libxml; |
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// What are the libxml2 configurations? |
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$this->logger->debug(\sprintf( |
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'Libxml configuration has a bitwise value of `%s`.%s', |
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$this->libxml, |
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(4792582 === $this->libxml) |
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? ' (This is the default configuration.)' |
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: '' |
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)); |
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return $this; |
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} |
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/** |
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* Gets the libxml value to use for parsing XML. |
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* |
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* @return int |
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*/ |
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public function getLibxml(): int |
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{ |
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return $this->libxml; |
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} |
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/** |
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* Sets the handler stack which contains registered middleware. |
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* |
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* @param HandlerStackInterface $handlerStack |
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* |
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* @return self |
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*/ |
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public function setMiddlewareStack(HandlerStackInterface $handlerStack) |
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{ |
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$this->middleware = $handlerStack; |
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$this->middleware->setLogger($this->getLogger()); |
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return $this; |
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} |
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/** |
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* Gets the handler stack which contains registered middleware. |
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* |
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* @return HandlerStackInterface |
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*/ |
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public function getMiddlewareStack(): HandlerStackInterface |
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{ |
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return $this->middleware; |
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} |
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/** |
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* Parses content which is known to be valid XML and is encoded as UTF-8. |
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* |
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* @param StreamInterface $stream A PSR-7 `StreamInterface` which is typically returned by the |
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* `getBody()` method of a `ResponseInterface` class. |
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* @param bool $handleHtmlEntitiesInXml Whether or not SimplePie should pre-parse the XML as HTML to |
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* resolve the entities. A value of `true` means that SimplePie |
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* should inject the entity definitions. A value of `false` means |
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* that SimplePie should NOT inject the entity definitions. The |
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* default value is `false`. |
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* |
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* @return XmlParser |
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*/ |
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public function parseXml(StreamInterface $stream, bool $handleHtmlEntitiesInXml = false): XmlParser |
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{ |
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$parser = new XmlParser( |
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$stream, |
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$this->logger, |
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$this->middleware, |
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$this->libxml, |
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$handleHtmlEntitiesInXml |
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); |
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return $parser; |
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} |
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} |
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