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<?php
/**
* SCSSPHP
*
* @copyright 2012-2020 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://scssphp.github.io/scssphp
*/
namespace ScssPhp\ScssPhp\Ast\Selector;
use ScssPhp\ScssPhp\Util\Character;
use ScssPhp\ScssPhp\Visitor\SelectorVisitor;
/**
* A placeholder selector.
*
* This doesn't match any elements. It's intended to be extended using
* `@extend`. It's not a plain CSS selector—it should be removed before
* emitting a CSS document.
*/
final class PlaceholderSelector extends SimpleSelector
{
/**
* The name of the placeholder.
*
* @var string
* @readonly
*/
private $name;
public function __construct(string $name)
{
$this->name = $name;
}
public function getName(): string
{
return $this->name;
}
/**
* Returns whether this is a private selector (that is, whether it begins
* with `-` or `_`).
*/
public function isPrivate(): bool
{
return Character::isPrivate($this->name);
}
public function accept(SelectorVisitor $visitor)
{
return $visitor->visitPlaceholderSelector($this);
}
public function addSuffix(string $suffix): SimpleSelector
{
return new PlaceholderSelector($this->name . $suffix);
}
public function equals(object $other): bool
{
return $other instanceof PlaceholderSelector && $other->name === $this->name;
}
}
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