Fix the crawler refactoring
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@ -18,7 +18,7 @@ use Symfony\Component\CssSelector\CssSelectorConverter;
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Crawler implements \Countable
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class Crawler implements \Countable, \IteratorAggregate
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{
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/**
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* @var string The current URI
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@ -46,7 +46,7 @@ class Crawler implements \Countable
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private $document;
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/**
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* @var \DOMNode[]
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* @var \DOMElement[]
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*/
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private $nodes = array();
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@ -327,27 +327,21 @@ class Crawler implements \Countable
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}
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if (null !== $this->document && $this->document !== $node->ownerDocument) {
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@trigger_error('Attaching DOM nodes from multiple documents in a Crawler is deprecated as of 2.8 and will be forbidden in 3.0.', E_USER_DEPRECATED);
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throw new \InvalidArgumentException('Attaching DOM nodes from multiple documents in the same crawler is forbidden.');
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}
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if (null === $this->document) {
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$this->document = $node->ownerDocument;
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}
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// Don't add duplicate nodes in the Crawler
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if (in_array($node, $this->nodes, true)) {
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return;
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}
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$this->nodes[] = $node;
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}
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// Serializing and unserializing a crawler creates DOM objects in a corrupted state. DOM elements are not properly serializable.
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public function unserialize($serialized)
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{
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throw new \BadMethodCallException('A Crawler cannot be serialized.');
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}
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public function serialize()
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{
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throw new \BadMethodCallException('A Crawler cannot be serialized.');
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}
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/**
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* Returns a node given its position in the node list.
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*
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@ -966,6 +960,14 @@ class Crawler implements \Countable
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return count($this->nodes);
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}
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/**
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* @return \ArrayIterator
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*/
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public function getIterator()
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{
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return new \ArrayIterator($this->nodes);
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}
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/**
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* @param \DOMElement $node
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* @param string $siblingDir
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@ -76,6 +76,16 @@ class CrawlerTest extends \PHPUnit_Framework_TestCase
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$crawler->add(new \DOMNode());
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}
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/**
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* @expectedException \InvalidArgumentException
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* @expectedExceptionMessage Attaching DOM nodes from multiple documents in the same crawler is forbidden.
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*/
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public function testAddMultipleDocumentNode()
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{
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$crawler = $this->createTestCrawler();
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$crawler->addHtmlContent('<html><div class="foo"></html>', 'UTF-8');
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}
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/**
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* @covers Symfony\Component\DomCrawler\Crawler::addHtmlContent
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*/
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