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83 lines
2.6 KiB
83 lines
2.6 KiB
2 years ago
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<?php
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namespace Sabberworm\CSS\CSSList;
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use Sabberworm\CSS\RuleSet\DeclarationBlock;
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use Sabberworm\CSS\RuleSet\RuleSet;
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use Sabberworm\CSS\Property\Selector;
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use Sabberworm\CSS\Rule\Rule;
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use Sabberworm\CSS\Value\ValueList;
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use Sabberworm\CSS\Value\CSSFunction;
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/**
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* A CSSBlockList is a CSSList whose DeclarationBlocks are guaranteed to contain valid declaration blocks or at-rules.
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* Most CSSLists conform to this category but some at-rules (such as @keyframes) do not.
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*/
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abstract class CSSBlockList extends CSSList {
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public function __construct($iLineNo = 0) {
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parent::__construct($iLineNo);
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}
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protected function allDeclarationBlocks(&$aResult) {
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foreach ($this->aContents as $mContent) {
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if ($mContent instanceof DeclarationBlock) {
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$aResult[] = $mContent;
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} else if ($mContent instanceof CSSBlockList) {
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$mContent->allDeclarationBlocks($aResult);
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}
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}
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}
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protected function allRuleSets(&$aResult) {
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foreach ($this->aContents as $mContent) {
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if ($mContent instanceof RuleSet) {
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$aResult[] = $mContent;
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} else if ($mContent instanceof CSSBlockList) {
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$mContent->allRuleSets($aResult);
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}
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}
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}
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protected function allValues($oElement, &$aResult, $sSearchString = null, $bSearchInFunctionArguments = false) {
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if ($oElement instanceof CSSBlockList) {
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foreach ($oElement->getContents() as $oContent) {
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$this->allValues($oContent, $aResult, $sSearchString, $bSearchInFunctionArguments);
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}
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} else if ($oElement instanceof RuleSet) {
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foreach ($oElement->getRules($sSearchString) as $oRule) {
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$this->allValues($oRule, $aResult, $sSearchString, $bSearchInFunctionArguments);
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}
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} else if ($oElement instanceof Rule) {
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$this->allValues($oElement->getValue(), $aResult, $sSearchString, $bSearchInFunctionArguments);
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} else if ($oElement instanceof ValueList) {
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if ($bSearchInFunctionArguments || !($oElement instanceof CSSFunction)) {
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foreach ($oElement->getListComponents() as $mComponent) {
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$this->allValues($mComponent, $aResult, $sSearchString, $bSearchInFunctionArguments);
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}
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}
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} else {
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//Non-List Value or CSSString (CSS identifier)
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$aResult[] = $oElement;
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}
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}
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protected function allSelectors(&$aResult, $sSpecificitySearch = null) {
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$aDeclarationBlocks = array();
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$this->allDeclarationBlocks($aDeclarationBlocks);
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foreach ($aDeclarationBlocks as $oBlock) {
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foreach ($oBlock->getSelectors() as $oSelector) {
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if ($sSpecificitySearch === null) {
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$aResult[] = $oSelector;
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} else {
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$sComparison = "\$bRes = {$oSelector->getSpecificity()} $sSpecificitySearch;";
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eval($sComparison);
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if ($bRes) {
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$aResult[] = $oSelector;
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}
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}
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}
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}
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}
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}
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