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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\Podcast;
use DOMText;
use Zend\Feed\Reader\Extension;
/**
*/
class Feed extends Extension\AbstractFeed
{
/**
* Get the entry author
*
* @return string
*/
public function getCastAuthor()
{
if (isset($this->data['author'])) {
return $this->data['author'];
}
$author = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:author)');
if (!$author) {
$author = null;
}
$this->data['author'] = $author;
return $this->data['author'];
}
/**
* Get the entry block
*
* @return string
*/
public function getBlock()
{
if (isset($this->data['block'])) {
return $this->data['block'];
}
$block = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:block)');
if (!$block) {
$block = null;
}
$this->data['block'] = $block;
return $this->data['block'];
}
/**
* Get the entry category
*
* @return array|null
*/
public function getItunesCategories()
{
if (isset($this->data['categories'])) {
return $this->data['categories'];
}
$categoryList = $this->xpath->query($this->getXpathPrefix() . '/itunes:category');
$categories = array();
if ($categoryList->length > 0) {
foreach ($categoryList as $node) {
$children = null;
if ($node->childNodes->length > 0) {
$children = array();
foreach ($node->childNodes as $childNode) {
if (!($childNode instanceof DOMText)) {
$children[$childNode->getAttribute('text')] = null;
}
}
}
$categories[$node->getAttribute('text')] = $children;
}
}
if (!$categories) {
$categories = null;
}
$this->data['categories'] = $categories;
return $this->data['categories'];
}
/**
* Get the entry explicit
*
* @return string
*/
public function getExplicit()
{
if (isset($this->data['explicit'])) {
return $this->data['explicit'];
}
$explicit = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:explicit)');
if (!$explicit) {
$explicit = null;
}
$this->data['explicit'] = $explicit;
return $this->data['explicit'];
}
/**
* Get the entry image
*
* @return string
*/
public function getItunesImage()
{
if (isset($this->data['image'])) {
return $this->data['image'];
}
$image = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:image/@href)');
if (!$image) {
$image = null;
}
$this->data['image'] = $image;
return $this->data['image'];
}
/**
* Get the entry keywords
*
* @return string
*/
public function getKeywords()
{
if (isset($this->data['keywords'])) {
return $this->data['keywords'];
}
$keywords = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:keywords)');
if (!$keywords) {
$keywords = null;
}
$this->data['keywords'] = $keywords;
return $this->data['keywords'];
}
/**
* Get the entry's new feed url
*
* @return string
*/
public function getNewFeedUrl()
{
if (isset($this->data['new-feed-url'])) {
return $this->data['new-feed-url'];
}
$newFeedUrl = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:new-feed-url)');
if (!$newFeedUrl) {
$newFeedUrl = null;
}
$this->data['new-feed-url'] = $newFeedUrl;
return $this->data['new-feed-url'];
}
/**
* Get the entry owner
*
* @return string
*/
public function getOwner()
{
if (isset($this->data['owner'])) {
return $this->data['owner'];
}
$owner = null;
$email = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:owner/itunes:email)');
$name = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:owner/itunes:name)');
if (!empty($email)) {
$owner = $email . (empty($name) ? '' : ' (' . $name . ')');
} elseif (!empty($name)) {
$owner = $name;
}
if (!$owner) {
$owner = null;
}
$this->data['owner'] = $owner;
return $this->data['owner'];
}
/**
* Get the entry subtitle
*
* @return string
*/
public function getSubtitle()
{
if (isset($this->data['subtitle'])) {
return $this->data['subtitle'];
}
$subtitle = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:subtitle)');
if (!$subtitle) {
$subtitle = null;
}
$this->data['subtitle'] = $subtitle;
return $this->data['subtitle'];
}
/**
* Get the entry summary
*
* @return string
*/
public function getSummary()
{
if (isset($this->data['summary'])) {
return $this->data['summary'];
}
$summary = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:summary)');
if (!$summary) {
$summary = null;
}
$this->data['summary'] = $summary;
return $this->data['summary'];
}
/**
* Register iTunes namespace
*
*/
protected function registerNamespaces()
{
$this->xpath->registerNamespace('itunes', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
}
}