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编辑当前文件:/home2/sdektunc/.trash/cepali/lib/php-css-parser/CSSList/Document.php

<?php

namespace Sabberworm\CSS\CSSList;

/**
 * The root CSSList of a parsed file. Contains all top-level css contents, mostly declaration blocks, but also any @-rules encountered.
 */
class Document extends CSSBlockList {
	/**
	 * Document constructor.
	 * @param int $iLineNo
	 */
	public function __construct($iLineNo = 0) {
		parent::__construct($iLineNo);
	}

/**
	 * Gets all DeclarationBlock objects recursively.
	 */
	public function getAllDeclarationBlocks() {
		$aResult = array();
		$this->allDeclarationBlocks($aResult);
		return $aResult;
	}

/**
	 * @deprecated use getAllDeclarationBlocks()
	 */
	public function getAllSelectors() {
		return $this->getAllDeclarationBlocks();
	}

/**
	 * Returns all RuleSet objects found recursively in the tree.
	 */
	public function getAllRuleSets() {
		$aResult = array();
		$this->allRuleSets($aResult);
		return $aResult;
	}

/**
	 * Returns all Value objects found recursively in the tree.
	 * @param (object|string) $mElement the CSSList or RuleSet to start the search from (defaults to the whole document). If a string is given, it is used as rule name filter (@see{RuleSet->getRules()}).
	 * @param (bool) $bSearchInFunctionArguments whether to also return Value objects used as Function arguments.
	 */
	public function getAllValues($mElement = null, $bSearchInFunctionArguments = false) {
		$sSearchString = null;
		if ($mElement === null) {
			$mElement = $this;
		} else if (is_string($mElement)) {
			$sSearchString = $mElement;
			$mElement = $this;
		}
		$aResult = array();
		$this->allValues($mElement, $aResult, $sSearchString, $bSearchInFunctionArguments);
		return $aResult;
	}

/**
	 * Returns all Selector objects found recursively in the tree.
	 * Note that this does not yield the full DeclarationBlock that the selector belongs to (and, currently, there is no way to get to that).
	 * @param $sSpecificitySearch An optional filter by specificity. May contain a comparison operator and a number or just a number (defaults to "==").
	 * @example getSelectorsBySpecificity('>= 100')
	 */
	public function getSelectorsBySpecificity($sSpecificitySearch = null) {
		if (is_numeric($sSpecificitySearch) || is_numeric($sSpecificitySearch[0])) {
			$sSpecificitySearch = "== $sSpecificitySearch";
		}
		$aResult = array();
		$this->allSelectors($aResult, $sSpecificitySearch);
		return $aResult;
	}

/**
	 * Expands all shorthand properties to their long value
	 */
	public function expandShorthands() {
		foreach ($this->getAllDeclarationBlocks() as $oDeclaration) {
			$oDeclaration->expandShorthands();
		}
	}

/**
	 * Create shorthands properties whenever possible
	 */
	public function createShorthands() {
		foreach ($this->getAllDeclarationBlocks() as $oDeclaration) {
			$oDeclaration->createShorthands();
		}
	}

// Override render() to make format argument optional
	public function render(\Sabberworm\CSS\OutputFormat $oOutputFormat = null) {
		if($oOutputFormat === null) {
			$oOutputFormat = new \Sabberworm\CSS\OutputFormat();
		}
		return parent::render($oOutputFormat);
	}

public function isRootList() {
		return true;
	}

}