Rss.php in Zircon Profile 8

Namespace

Zend\Feed\Writer\Renderer\Entry

File

vendor/zendframework/zend-feed/src/Writer/Renderer/Entry/Rss.php

<?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\Writer\Renderer\Entry;

use DateTime;
use DOMDocument;
use DOMElement;
use Zend\Feed\Uri;
use Zend\Feed\Writer;
use Zend\Feed\Writer\Renderer;

/**
*/
class Rss extends Renderer\AbstractRenderer implements Renderer\RendererInterface {

  /**
   * Constructor
   *
   * @param  Writer\Entry $container
   */
  public function __construct(Writer\Entry $container) {
    parent::__construct($container);
  }

  /**
   * Render RSS entry
   *
   * @return Rss
   */
  public function render() {
    $this->dom = new DOMDocument('1.0', $this->container
      ->getEncoding());
    $this->dom->formatOutput = true;
    $this->dom->substituteEntities = false;
    $entry = $this->dom
      ->createElement('item');
    $this->dom
      ->appendChild($entry);
    $this
      ->_setTitle($this->dom, $entry);
    $this
      ->_setDescription($this->dom, $entry);
    $this
      ->_setDateCreated($this->dom, $entry);
    $this
      ->_setDateModified($this->dom, $entry);
    $this
      ->_setLink($this->dom, $entry);
    $this
      ->_setId($this->dom, $entry);
    $this
      ->_setAuthors($this->dom, $entry);
    $this
      ->_setEnclosure($this->dom, $entry);
    $this
      ->_setCommentLink($this->dom, $entry);
    $this
      ->_setCategories($this->dom, $entry);
    foreach ($this->extensions as $ext) {
      $ext
        ->setType($this
        ->getType());
      $ext
        ->setRootElement($this
        ->getRootElement());
      $ext
        ->setDOMDocument($this
        ->getDOMDocument(), $entry);
      $ext
        ->render();
    }
    return $this;
  }

  /**
   * Set entry title
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   * @throws Writer\Exception\InvalidArgumentException
   */
  protected function _setTitle(DOMDocument $dom, DOMElement $root) {
    if (!$this
      ->getDataContainer()
      ->getDescription() && !$this
      ->getDataContainer()
      ->getTitle()) {
      $message = 'RSS 2.0 entry elements SHOULD contain exactly one' . ' title element but a title has not been set. In addition, there' . ' is no description as required in the absence of a title.';
      $exception = new Writer\Exception\InvalidArgumentException($message);
      if (!$this->ignoreExceptions) {
        throw $exception;
      }
      else {
        $this->exceptions[] = $exception;
        return;
      }
    }
    $title = $dom
      ->createElement('title');
    $root
      ->appendChild($title);
    $text = $dom
      ->createTextNode($this
      ->getDataContainer()
      ->getTitle());
    $title
      ->appendChild($text);
  }

  /**
   * Set entry description
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   * @throws Writer\Exception\InvalidArgumentException
   */
  protected function _setDescription(DOMDocument $dom, DOMElement $root) {
    if (!$this
      ->getDataContainer()
      ->getDescription() && !$this
      ->getDataContainer()
      ->getTitle()) {
      $message = 'RSS 2.0 entry elements SHOULD contain exactly one' . ' description element but a description has not been set. In' . ' addition, there is no title element as required in the absence' . ' of a description.';
      $exception = new Writer\Exception\InvalidArgumentException($message);
      if (!$this->ignoreExceptions) {
        throw $exception;
      }
      else {
        $this->exceptions[] = $exception;
        return;
      }
    }
    if (!$this
      ->getDataContainer()
      ->getDescription()) {
      return;
    }
    $subtitle = $dom
      ->createElement('description');
    $root
      ->appendChild($subtitle);
    $text = $dom
      ->createCDATASection($this
      ->getDataContainer()
      ->getDescription());
    $subtitle
      ->appendChild($text);
  }

  /**
   * Set date entry was last modified
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   */
  protected function _setDateModified(DOMDocument $dom, DOMElement $root) {
    if (!$this
      ->getDataContainer()
      ->getDateModified()) {
      return;
    }
    $updated = $dom
      ->createElement('pubDate');
    $root
      ->appendChild($updated);
    $text = $dom
      ->createTextNode($this
      ->getDataContainer()
      ->getDateModified()
      ->format(DateTime::RSS));
    $updated
      ->appendChild($text);
  }

  /**
   * Set date entry was created
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   */
  protected function _setDateCreated(DOMDocument $dom, DOMElement $root) {
    if (!$this
      ->getDataContainer()
      ->getDateCreated()) {
      return;
    }
    if (!$this
      ->getDataContainer()
      ->getDateModified()) {
      $this
        ->getDataContainer()
        ->setDateModified($this
        ->getDataContainer()
        ->getDateCreated());
    }
  }

  /**
   * Set entry authors
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   */
  protected function _setAuthors(DOMDocument $dom, DOMElement $root) {
    $authors = $this->container
      ->getAuthors();
    if (!$authors || empty($authors)) {
      return;
    }
    foreach ($authors as $data) {
      $author = $this->dom
        ->createElement('author');
      $name = $data['name'];
      if (array_key_exists('email', $data)) {
        $name = $data['email'] . ' (' . $data['name'] . ')';
      }
      $text = $dom
        ->createTextNode($name);
      $author
        ->appendChild($text);
      $root
        ->appendChild($author);
    }
  }

  /**
   * Set entry enclosure
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   * @throws Writer\Exception\InvalidArgumentException
   */
  protected function _setEnclosure(DOMDocument $dom, DOMElement $root) {
    $data = $this->container
      ->getEnclosure();
    if (!$data || empty($data)) {
      return;
    }
    if (!isset($data['type'])) {
      $exception = new Writer\Exception\InvalidArgumentException('Enclosure "type" is not set');
      if (!$this->ignoreExceptions) {
        throw $exception;
      }
      else {
        $this->exceptions[] = $exception;
        return;
      }
    }
    if (!isset($data['length'])) {
      $exception = new Writer\Exception\InvalidArgumentException('Enclosure "length" is not set');
      if (!$this->ignoreExceptions) {
        throw $exception;
      }
      else {
        $this->exceptions[] = $exception;
        return;
      }
    }
    if ((int) $data['length'] < 0 || !ctype_digit((string) $data['length'])) {
      $exception = new Writer\Exception\InvalidArgumentException('Enclosure "length" must be an integer' . ' indicating the content\'s length in bytes');
      if (!$this->ignoreExceptions) {
        throw $exception;
      }
      else {
        $this->exceptions[] = $exception;
        return;
      }
    }
    $enclosure = $this->dom
      ->createElement('enclosure');
    $enclosure
      ->setAttribute('type', $data['type']);
    $enclosure
      ->setAttribute('length', $data['length']);
    $enclosure
      ->setAttribute('url', $data['uri']);
    $root
      ->appendChild($enclosure);
  }

  /**
   * Set link to entry
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   */
  protected function _setLink(DOMDocument $dom, DOMElement $root) {
    if (!$this
      ->getDataContainer()
      ->getLink()) {
      return;
    }
    $link = $dom
      ->createElement('link');
    $root
      ->appendChild($link);
    $text = $dom
      ->createTextNode($this
      ->getDataContainer()
      ->getLink());
    $link
      ->appendChild($text);
  }

  /**
   * Set entry identifier
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   */
  protected function _setId(DOMDocument $dom, DOMElement $root) {
    if (!$this
      ->getDataContainer()
      ->getId() && !$this
      ->getDataContainer()
      ->getLink()) {
      return;
    }
    $id = $dom
      ->createElement('guid');
    $root
      ->appendChild($id);
    if (!$this
      ->getDataContainer()
      ->getId()) {
      $this
        ->getDataContainer()
        ->setId($this
        ->getDataContainer()
        ->getLink());
    }
    $text = $dom
      ->createTextNode($this
      ->getDataContainer()
      ->getId());
    $id
      ->appendChild($text);
    if (!Uri::factory($this
      ->getDataContainer()
      ->getId())
      ->isValid()) {
      $id
        ->setAttribute('isPermaLink', 'false');
    }
  }

  /**
   * Set link to entry comments
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   */
  protected function _setCommentLink(DOMDocument $dom, DOMElement $root) {
    $link = $this
      ->getDataContainer()
      ->getCommentLink();
    if (!$link) {
      return;
    }
    $clink = $this->dom
      ->createElement('comments');
    $text = $dom
      ->createTextNode($link);
    $clink
      ->appendChild($text);
    $root
      ->appendChild($clink);
  }

  /**
   * Set entry categories
   *
   * @param DOMDocument $dom
   * @param DOMElement $root
   * @return void
   */
  protected function _setCategories(DOMDocument $dom, DOMElement $root) {
    $categories = $this
      ->getDataContainer()
      ->getCategories();
    if (!$categories) {
      return;
    }
    foreach ($categories as $cat) {
      $category = $dom
        ->createElement('category');
      if (isset($cat['scheme'])) {
        $category
          ->setAttribute('domain', $cat['scheme']);
      }
      $text = $dom
        ->createCDATASection($cat['term']);
      $category
        ->appendChild($text);
      $root
        ->appendChild($category);
    }
  }

}

Classes

Name	Description
Rss