public function isSatisfiedBy($page)
{
if (!$page instanceof Page) {
throw new \InvalidArgumentException('Expected Scanner\\Entity\\Page');
}
return $this->blacklist->contains($page);
}
/**
* @return PagesCollection New Collection with all found links
*/
public function findLinkedPages()
{
$pages = new PagesCollection();
$crawler = $this->getCrawler();
foreach ($crawler->filter('a') as $node) {
$link = new Link($node, $this->uri);
$page = new Page($link->getUri());
$page->setClient($this->client);
$pages->add($page);
}
return $pages;
}
/** @return PagesCollection All spidered pages */
public function spider()
{
$todo = clone $this->startpages;
$done = new PagesCollection();
$spec = $this->getPageSpecification();
while (count($todo)) {
$current = $todo->pop();
if (!$done->contains($current)) {
foreach ($current->findLinkedPages() as $found) {
if (!$done->contains($found) && $spec->isSatisfiedBy($found)) {
$todo->add($found);
}
}
}
$done->add($current);
}
return $done;
}
/** @test */
public function UriDeterminesEquality()
{
$collection = new PagesCollection(array($page1 = new Page('http://example/foo'), $page2 = new Page('http://example/foo')));
$collection->add($page1);
$this->assertTrue($collection->contains($page2), "When a Page with the same URI already exists in the Collection, contains() should return true");
}
