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See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php

namespace Sabberworm\CSS\CSSList;

use Sabberworm\CSS\RuleSet\DeclarationBlock;
use Sabberworm\CSS\RuleSet\RuleSet;
use Sabberworm\CSS\Property\Selector;
use Sabberworm\CSS\Rule\Rule;
use Sabberworm\CSS\Value\ValueList;
use Sabberworm\CSS\Value\CSSFunction;

/**
 * A CSSBlockList is a CSSList whose DeclarationBlocks are guaranteed to contain valid declaration blocks or at-rules.
 * Most CSSLists conform to this category but some at-rules (such as @keyframes) do not.
 */
abstract class CSSBlockList extends CSSList {
	public function __construct($iLineNo = 0) {
		parent::__construct($iLineNo);
	}

	protected function allDeclarationBlocks(&$aResult) {
		foreach ($this->aContents as $mContent) {
			if ($mContent instanceof DeclarationBlock) {
				$aResult[] = $mContent;
			} else if ($mContent instanceof CSSBlockList) {
				$mContent->allDeclarationBlocks($aResult);
			}
		}
	}

	protected function allRuleSets(&$aResult) {
		foreach ($this->aContents as $mContent) {
			if ($mContent instanceof RuleSet) {
				$aResult[] = $mContent;
			} else if ($mContent instanceof CSSBlockList) {
				$mContent->allRuleSets($aResult);
			}
		}
	}

	protected function allValues($oElement, &$aResult, $sSearchString = null, $bSearchInFunctionArguments = false) {
		if ($oElement instanceof CSSBlockList) {
			foreach ($oElement->getContents() as $oContent) {
				$this->allValues($oContent, $aResult, $sSearchString, $bSearchInFunctionArguments);
			}
		} else if ($oElement instanceof RuleSet) {
			foreach ($oElement->getRules($sSearchString) as $oRule) {
				$this->allValues($oRule, $aResult, $sSearchString, $bSearchInFunctionArguments);
			}
		} else if ($oElement instanceof Rule) {
			$this->allValues($oElement->getValue(), $aResult, $sSearchString, $bSearchInFunctionArguments);
		} else if ($oElement instanceof ValueList) {
			if ($bSearchInFunctionArguments || !($oElement instanceof CSSFunction)) {
				foreach ($oElement->getListComponents() as $mComponent) {
					$this->allValues($mComponent, $aResult, $sSearchString, $bSearchInFunctionArguments);
				}
			}
		} else {
			//Non-List Value or CSSString (CSS identifier)
			$aResult[] = $oElement;
		}
	}

	protected function allSelectors(&$aResult, $sSpecificitySearch = null) {
		$aDeclarationBlocks = array();
		$this->allDeclarationBlocks($aDeclarationBlocks);
		foreach ($aDeclarationBlocks as $oBlock) {
			foreach ($oBlock->getSelectors() as $oSelector) {
				if ($sSpecificitySearch === null) {
					$aResult[] = $oSelector;
				} else {
< $sComparison = "\$bRes = {$oSelector->getSpecificity()} $sSpecificitySearch;"; < eval($sComparison); < if ($bRes) {
> $sComparator = '==='; > $aSpecificitySearch = explode(' ', $sSpecificitySearch); > $iTargetSpecificity = $aSpecificitySearch[0]; > if(count($aSpecificitySearch) > 1) { > $sComparator = $aSpecificitySearch[0]; > $iTargetSpecificity = $aSpecificitySearch[1]; > } > $iTargetSpecificity = (int)$iTargetSpecificity; > $iSelectorSpecificity = $oSelector->getSpecificity(); > $bMatches = false; > switch($sComparator) { > case '<=': > $bMatches = $iSelectorSpecificity <= $iTargetSpecificity; > break; > case '<': > $bMatches = $iSelectorSpecificity < $iTargetSpecificity; > break; > case '>=': > $bMatches = $iSelectorSpecificity >= $iTargetSpecificity; > break; > case '>': > $bMatches = $iSelectorSpecificity > $iTargetSpecificity; > break; > default: > $bMatches = $iSelectorSpecificity === $iTargetSpecificity; > break; > } > if ($bMatches) {
$aResult[] = $oSelector; } } } } } }