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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\CssSelector\Node;

/**
 * Represents a &quot;&lt;namespace&gt;|&lt;element&gt;&quot; node.
 *
 * This component is a port of the Python cssselect library,
 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
 *
 * @author Jean-François Simon &lt;jeanfrancois.simon@sensiolabs.com&gt;
 *
 * @internal
 */
class ElementNode extends AbstractNode
{
    private $namespace;
    private $element;

    public function __construct(?string $namespace = null, ?string $element = null)
    {
        $this-&gt;namespace = $namespace;
        $this-&gt;element = $element;
    }

    public function getNamespace(): ?string
    {
        return $this-&gt;namespace;
    }

    public function getElement(): ?string
    {
        return $this-&gt;element;
    }

    /**
     * {@inheritdoc}
     */
    public function getSpecificity(): Specificity
    {
        return new Specificity(0, 0, $this-&gt;element ? 1 : 0);
    }

    public function __toString(): string
    {
        $element = $this-&gt;element ?: '*';

        return sprintf('%s[%s]', $this-&gt;getNodeName(), $this-&gt;namespace ? $this-&gt;namespace.'|'.$element : $element);
    }
}
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