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<?php
namespace Sabberworm\CSS\CSSList;
use Sabberworm\CSS\Parsing\ParserState;
/**
* 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);
}
public static function parse(ParserState $oParserState) {
$oDocument = new Document($oParserState->currentLine());
CSSList::parseList($oParserState, $oDocument);
return $oDocument;
}
/**
* 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) {
$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;
}
}
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