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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Feed\Reader\Extension;
use DOMDocument;
use DOMXPath;
use Zend\Feed\Reader;
abstract class AbstractFeed
{
/**
* Parsed feed data
*
* @var array
*/
protected $data = array();
/**
* Parsed feed data in the shape of a DOMDocument
*
* @var DOMDocument
*/
protected $domDocument = null;
/**
* The base XPath query used to retrieve feed data
*
* @var DOMXPath
*/
protected $xpath = null;
/**
* The XPath prefix
*
* @var string
*/
protected $xpathPrefix = '';
/**
* Set the DOM document
*
* @param DOMDocument $dom
* @return AbstractFeed
*/
public function setDomDocument(DOMDocument $dom)
{
$this->domDocument = $dom;
return $this;
}
/**
* Get the DOM
*
* @return DOMDocument
*/
public function getDomDocument()
{
return $this->domDocument;
}
/**
* Get the Feed's encoding
*
* @return string
*/
public function getEncoding()
{
$assumed = $this->getDomDocument()->encoding;
return $assumed;
}
/**
* Set the feed type
*
* @param string $type
* @return AbstractFeed
*/
public function setType($type)
{
$this->data['type'] = $type;
return $this;
}
/**
* Get the feed type
*
* If null, it will attempt to autodetect the type.
*
* @return string
*/
public function getType()
{
$type = $this->data['type'];
if (null === $type) {
$type = Reader\Reader::detectType($this->getDomDocument());
$this->setType($type);
}
return $type;
}
/**
* Return the feed as an array
*
* @return array
*/
public function toArray() // untested
{
return $this->data;
}
/**
* Set the XPath query
*
* @param DOMXPath $xpath
* @return AbstractEntry
*/
public function setXpath(DOMXPath $xpath = null)
{
if (null === $xpath) {
$this->xpath = null;
return $this;
}
$this->xpath = $xpath;
$this->registerNamespaces();
return $this;
}
/**
* Get the DOMXPath object
*
* @return string
*/
public function getXpath()
{
if (null === $this->xpath) {
$this->setXpath(new DOMXPath($this->getDomDocument()));
}
return $this->xpath;
}
/**
* Get the XPath prefix
*
* @return string
*/
public function getXpathPrefix()
{
return $this->xpathPrefix;
}
/**
* Set the XPath prefix
*
* @param string $prefix
* @return void
*/
public function setXpathPrefix($prefix)
{
$this->xpathPrefix = $prefix;
}
/**
* Register the default namespaces for the current feed format
*/
abstract protected function registerNamespaces();
}