public function testNamespaceValue()
{
$xml = XmlParser::getSimpleXml(file_get_contents('tests/fixtures/rue89.xml'));
$this->assertNotFalse($xml);
$namespaces = $xml->getNamespaces(true);
$parser = new Rss20('');
$this->assertEquals('Blandine Grosjean', $parser->getNamespaceValue($xml->channel->item[0], $namespaces, 'creator'));
$this->assertEquals('Pierre-Carl Langlais', $parser->getNamespaceValue($xml->channel->item[1], $namespaces, 'creator'));
}
/**
* Parse the OPML file
*
* @access public
* @return array|false
*/
public function execute()
{
Logging::setMessage(get_called_class() . ': start importation');
$xml = XmlParser::getSimpleXml(trim($this->content));
if ($xml === false || $xml->getName() !== 'opml' || !isset($xml->body)) {
Logging::setMessage(get_called_class() . ': OPML tag not found or malformed XML document');
return false;
}
$this->parseEntries($xml->body);
Logging::setMessage(get_called_class() . ': ' . count($this->items) . ' subscriptions found');
return $this->items;
}
public function testScanXmlWithDTD()
{
$xml = <<<XML
<?xml version="1.0"?>
<!DOCTYPE results [
<!ELEMENT results (result+)>
<!ELEMENT result (#PCDATA)>
]>
<results>
<result>test</result>
</results>
XML;
$result = XmlParser::getDomDocument($xml);
$this->assertTrue($result instanceof DOMDocument);
$this->assertTrue($result->validate());
}
/**
* Strip useless tags
*
* @access public
*/
public function stripGarbage()
{
$dom = XmlParser::getDomDocument($this->content);
if ($dom !== false) {
$xpath = new DOMXPath($dom);
foreach ($this->stripTags as $tag) {
$nodes = $xpath->query('//' . $tag);
if ($nodes !== false && $nodes->length > 0) {
Logging::setMessage(get_called_class() . ' Strip tag: "' . $tag . '"');
foreach ($nodes as $node) {
$node->parentNode->removeChild($node);
}
}
}
foreach ($this->stripAttributes as $attribute) {
$nodes = $xpath->query('//*[contains(@class, "' . $attribute . '") or contains(@id, "' . $attribute . '")]');
if ($nodes !== false && $nodes->length > 0) {
Logging::setMessage(get_called_class() . ' Strip attribute: "' . $attribute . '"');
foreach ($nodes as $node) {
$node->parentNode->removeChild($node);
}
}
}
$this->content = $dom->saveXML($dom->documentElement);
}
}
/**
* Discover the feed url inside a HTML document and download the feed
*
* @access public
* @return boolean
*/
public function discover()
{
if (!$this->content) {
return false;
}
Logging::setMessage(get_called_class() . ': Try to discover a subscription');
$dom = XmlParser::getHtmlDocument($this->content);
$xpath = new DOMXPath($dom);
$queries = array('//link[@type="application/rss+xml"]', '//link[@type="application/atom+xml"]');
foreach ($queries as $query) {
$nodes = $xpath->query($query);
if ($nodes->length !== 0) {
$link = $nodes->item(0)->getAttribute('href');
if (!empty($link)) {
// Relative links
if (strpos($link, 'http') !== 0) {
if ($link[0] === '/') {
$link = substr($link, 1);
}
if ($this->url[strlen($this->url) - 1] !== '/') {
$this->url .= '/';
}
$link = $this->url . $link;
}
Logging::setMessage(get_called_class() . ': Find subscription link: ' . $link);
$this->download($link);
return true;
}
}
}
return false;
}
