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<?php
declare(strict_types=1);
namespace Laminas\Feed\Reader\Feed;
use DateTime;
use DOMDocument;
use Laminas\Feed\Reader;
use function array_key_exists;
use function count;
use function is_array;
/** @template-extends AbstractFeed<Reader\Entry\Atom> */
class Atom extends AbstractFeed
{
/**
* @param null|string $type
*/
public function __construct(DOMDocument $dom, $type = null)
{
parent::__construct($dom, $type);
$manager = Reader\Reader::getExtensionManager();
$atomFeed = $manager->get('Atom\Feed');
$atomFeed->setDomDocument($dom);
$atomFeed->setType($this->data['type']);
$atomFeed->setXpath($this->xpath);
$this->extensions['Atom\\Feed'] = $atomFeed;
$atomFeed = $manager->get('DublinCore\Feed');
$atomFeed->setDomDocument($dom);
$atomFeed->setType($this->data['type']);
$atomFeed->setXpath($this->xpath);
$this->extensions['DublinCore\\Feed'] = $atomFeed;
foreach ($this->extensions as $extension) {
$extension->setXpathPrefix('/atom:feed');
}
}
/**
* Get a single author
*
* @param int $index
* @return null|array<string, string>
*/
public function getAuthor($index = 0)
{
$authors = $this->getAuthors();
return isset($authors[$index]) && is_array($authors[$index])
? $authors[$index]
: null;
}
/**
* Get an array with feed authors
*
* @return array
*/
public function getAuthors()
{
if (array_key_exists('authors', $this->data)) {
return $this->data['authors'];
}
$authors = $this->getExtension('Atom')->getAuthors();
$this->data['authors'] = $authors;
return $this->data['authors'];
}
/**
* Get the copyright entry
*
* @return null|string
*/
public function getCopyright()
{
if (array_key_exists('copyright', $this->data)) {
return $this->data['copyright'];
}
$copyright = $this->getExtension('Atom')->getCopyright();
if (! $copyright) {
$copyright = null;
}
$this->data['copyright'] = $copyright;
return $this->data['copyright'];
}
/**
* Get the feed creation date
*
* @return null|DateTime
*/
public function getDateCreated()
{
if (array_key_exists('datecreated', $this->data)) {
return $this->data['datecreated'];
}
$dateCreated = $this->getExtension('Atom')->getDateCreated();
if (! $dateCreated) {
$dateCreated = null;
}
$this->data['datecreated'] = $dateCreated;
return $this->data['datecreated'];
}
/**
* Get the feed modification date
*
* @return null|DateTime
*/
public function getDateModified()
{
if (array_key_exists('datemodified', $this->data)) {
return $this->data['datemodified'];
}
$dateModified = $this->getExtension('Atom')->getDateModified();
if (! $dateModified) {
$dateModified = null;
}
$this->data['datemodified'] = $dateModified;
return $this->data['datemodified'];
}
/**
* Get the feed lastBuild date. This is not implemented in Atom.
*
* @return void
*/
public function getLastBuildDate()
{
}
/**
* Get the feed description
*
* @return null|string
*/
public function getDescription()
{
if (array_key_exists('description', $this->data)) {
return $this->data['description'];
}
$description = $this->getExtension('Atom')->getDescription();
if (! $description) {
$description = null;
}
$this->data['description'] = $description;
return $this->data['description'];
}
/**
* Get the feed generator entry
*
* @return null|string
*/
public function getGenerator()
{
if (array_key_exists('generator', $this->data)) {
return $this->data['generator'];
}
$generator = $this->getExtension('Atom')->getGenerator();
$this->data['generator'] = $generator;
return $this->data['generator'];
}
/**
* Get the feed ID
*
* @return null|string
*/
public function getId()
{
if (array_key_exists('id', $this->data)) {
return $this->data['id'];
}
$id = $this->getExtension('Atom')->getId();
$this->data['id'] = $id;
return $this->data['id'];
}
/**
* Get the feed language
*
* @return null|string
*/
public function getLanguage()
{
if (array_key_exists('language', $this->data)) {
return $this->data['language'];
}
$language = $this->getExtension('Atom')->getLanguage();
if (! $language) {
$language = $this->xpath->evaluate('string(//@xml:lang[1])');
}
if (! $language) {
$language = null;
}
$this->data['language'] = $language;
return $this->data['language'];
}
/**
* Get a link to the source website
*
* @return null|string
*/
public function getBaseUrl()
{
if (array_key_exists('baseUrl', $this->data)) {
return $this->data['baseUrl'];
}
$baseUrl = $this->getExtension('Atom')->getBaseUrl();
$this->data['baseUrl'] = $baseUrl;
return $this->data['baseUrl'];
}
/**
* Get a link to the source website
*
* @return null|string
*/
public function getLink()
{
if (array_key_exists('link', $this->data)) {
return $this->data['link'];
}
$link = $this->getExtension('Atom')->getLink();
$this->data['link'] = $link;
return $this->data['link'];
}
/**
* Get feed image data
*
* @return null|array
*/
public function getImage()
{
if (array_key_exists('image', $this->data)) {
return $this->data['image'];
}
$link = $this->getExtension('Atom')->getImage();
$this->data['image'] = $link;
return $this->data['image'];
}
/**
* Get a link to the feed's XML Url
*
* @return null|string
*/
public function getFeedLink()
{
if (array_key_exists('feedlink', $this->data)) {
return $this->data['feedlink'];
}
$link = $this->getExtension('Atom')->getFeedLink();
if ($link === null || empty($link)) {
$link = $this->getOriginalSourceUri();
}
$this->data['feedlink'] = $link;
return $this->data['feedlink'];
}
/**
* Get the feed title
*
* @return null|string
*/
public function getTitle()
{
if (array_key_exists('title', $this->data)) {
return $this->data['title'];
}
$title = $this->getExtension('Atom')->getTitle();
$this->data['title'] = $title;
return $this->data['title'];
}
/**
* Get an array of any supported PubSubHubbub endpoints
*
* @return null|array
*/
public function getHubs()
{
if (array_key_exists('hubs', $this->data)) {
return $this->data['hubs'];
}
$hubs = $this->getExtension('Atom')->getHubs();
$this->data['hubs'] = $hubs;
return $this->data['hubs'];
}
/**
* Get all categories
*
* @return Reader\Collection\Category
*/
public function getCategories()
{
if (array_key_exists('categories', $this->data)) {
return $this->data['categories'];
}
$categoryCollection = $this->getExtension('Atom')->getCategories();
if (count($categoryCollection) === 0) {
$categoryCollection = $this->getExtension('DublinCore')->getCategories();
}
$this->data['categories'] = $categoryCollection;
return $this->data['categories'];
}
/**
* Read all entries to the internal entries array
*
* @return void
*/
protected function indexEntries()
{
if (
$this->getType() === Reader\Reader::TYPE_ATOM_10
|| $this->getType() === Reader\Reader::TYPE_ATOM_03
) {
$entries = $this->xpath->evaluate('//atom:entry');
foreach ($entries as $index => $entry) {
$this->entries[$index] = $entry;
}
}
}
/**
* Register the default namespaces for the current feed format
*
* @return void
*/
protected function registerNamespaces()
{
switch ($this->data['type']) {
case Reader\Reader::TYPE_ATOM_03:
$this->xpath->registerNamespace('atom', Reader\Reader::NAMESPACE_ATOM_03);
break;
case Reader\Reader::TYPE_ATOM_10:
default:
$this->xpath->registerNamespace('atom', Reader\Reader::NAMESPACE_ATOM_10);
}
}
}