*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Presta\SitemapBundle\Sitemap;
/**
* Representation of sitemap (urlset) list
*
* @author David Epely
*/
class Sitemapindex extends XmlConstraint
{
/**
* @var string
*/
protected $sitemapsXml = '';
/**
* @param Urlset $urlset
*/
public function addSitemap(Urlset $urlset)
{
if ($this->isFull()) {
throw new \RuntimeException('The sitemapindex limit has been exceeded');
}
$sitemapXml = $this->getSitemapXml($urlset);
$this->sitemapsXml .= $sitemapXml;
//---------------------
//Check limits
if ($this->countItems++ >= self::LIMIT_ITEMS) {
$this->limitItemsReached = true;
}
$sitemapLength = strlen($sitemapXml);
$this->countBytes += $sitemapLength;
if ($this->countBytes + $sitemapLength + strlen($this->getStructureXml()) > self::LIMIT_BYTES) {
//we suppose the next sitemap is almost the same length and cannot be added
//plus we keep 500kB (@see self::LIMIT_BYTES)
$this->limitBytesReached = true;
}
//---------------------
}
/**
* Render urlset as sitemap in xml
*
* @param Urlset $urlset
*
* @return string
*/
protected function getSitemapXml(Urlset $urlset)
{
return '' . $urlset->getLoc()
. '' . $urlset->getLastmod()->format('c')
. '';
}
/**
* sitemindex xml structure
*
* @return string
*/
protected function getStructureXml()
{
$struct = '';
$struct .= 'sitemapsXml, $this->getStructureXml());
}
}