Club Drupal

<?php

/**

 * @file

 * Contains FeedsSitemapParser and related classes.

 */

/**

 * A parser for the Sitemap specification http://www.sitemaps.org/protocol.php

 */

class FeedsSitemapParser extends FeedsParser {

  /**

   * Implements FeedsParser::parse().

   */

  public function parse(FeedsSource $source, FeedsFetcherResult $fetcher_result) {

    // Set time zone to GMT for parsing dates with strtotime().

    $tz = date_default_timezone_get();

    date_default_timezone_set('GMT');

    // Yes, using a DOM parser is a bit inefficient, but will do for now

    $xml = new SimpleXMLElement($fetcher_result->getRaw());

    $result = new FeedsParserResult();

    foreach ($xml->url as $url) {

      $item = array('url' => (string) $url->loc);

      if ($url->lastmod) {

        $item['lastmod'] = strtotime($url->lastmod);

      }

      if ($url->changefreq) {

        $item['changefreq'] = (string) $url->changefreq;

      }

      if ($url->priority) {

        $item['priority'] = (string) $url->priority;

      }

      $result->items[] = $item;

    }

    date_default_timezone_set($tz);

    return $result;

  }

  /**

   * Implements FeedsParser::getMappingSources().

   */

  public function getMappingSources() {

    return array(

      'url' => array(

        'name' => t('Item URL (link)'),

        'description' => t('URL of the feed item.'),

      ),

      'lastmod' => array(

        'name' => t('Last modification date'),

        'description' => t('Last modified date as UNIX time GMT of the feed item.'),

      ),

      'changefreq' => array(

        'name' => t('Change frequency'),

        'description' => t('How frequently the page is likely to change.'),

      ),

      'priority' => array(

        'name' => t('Priority'),

        'description' => t('The priority of this URL relative to other URLs on the site.'),

      ),

    ) + parent::getMappingSources();

  }

}