Stylesheet.php
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Stylesheet.php
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	<?php
	/**
	* @file
	* @license https://opensource.org/licenses/Apache-2.0 Apache-2.0
	*/

	namespace Wikimedia\CSS\Objects;

	use Wikimedia\CSS\Util;

	/**
	* Represent a stylesheet
	* @note This isn't necessarily a "CSS stylesheet" though.
	* @warning If you're not using the provided Sanitizer classes to further sanitize
	* the CSS, you'll want to manually filter out any at-rules named "charset"
	* before stringifying and/or prepend `@charset "utf-8";` after stringifying
	* this object.
	*/
	class Stylesheet implements CSSObject {

	/** @var RuleList */
	protected $ruleList;

	/**
	* @param RuleList\|null $rules
	*/
	public function __construct( ?RuleList $rules = null ) {
	$this->ruleList = $rules ?: new RuleList();
	}

	public function __clone() {
	$this->ruleList = clone $this->ruleList;
	}

	/**
	* @return RuleList
	*/
	public function getRuleList() {
	return $this->ruleList;
	}

	/** @inheritDoc */
	public function getPosition() {
	// Stylesheets don't really have a position
	return [ 0, 0 ];
	}

	/** @inheritDoc */
	public function toTokenArray() {
	return $this->ruleList->toTokenArray();
	}

	/** @inheritDoc */
	public function toComponentValueArray() {
	return $this->ruleList->toComponentValueArray();
	}

	public function __toString() {
	return Util::stringify( $this );
	}
	}