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af_readability: add missing file
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@@ -181,11 +181,11 @@ trait NodeTrait
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/**
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* Override for native hasAttribute.
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*
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* @see getAttribute
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*
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* @param $attributeName
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*
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* @return bool
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*
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* @see getAttribute
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*/
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public function hasAttribute($attributeName)
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{
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@@ -317,10 +317,14 @@ trait NodeTrait
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*
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* @param bool $filterEmptyDOMText Filter empty DOMText nodes?
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*
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* @deprecated Use NodeUtility::filterTextNodes, function will be removed in version 3.0
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*
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* @return array
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*/
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public function getChildren($filterEmptyDOMText = false)
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{
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@trigger_error('getChildren was replaced with NodeUtility::filterTextNodes and will be removed in version 3.0', E_USER_DEPRECATED);
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$ret = iterator_to_array($this->childNodes);
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if ($filterEmptyDOMText) {
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// Array values is used to discard the key order. Needs to be 0 to whatever without skipping any number
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@@ -418,12 +422,12 @@ trait NodeTrait
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public function hasSingleTagInsideElement($tag)
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{
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// There should be exactly 1 element child with given tag
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if (count($children = $this->getChildren(true)) !== 1 || $children[0]->nodeName !== $tag) {
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if (count($children = NodeUtility::filterTextNodes($this->childNodes)) !== 1 || $children->item(0)->nodeName !== $tag) {
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return false;
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}
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// And there should be no text nodes with real content
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return array_reduce($children, function ($carry, $child) {
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return array_reduce(iterator_to_array($children), function ($carry, $child) {
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if (!$carry === false) {
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return false;
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}
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@@ -443,7 +447,7 @@ trait NodeTrait
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{
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$result = false;
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if ($this->hasChildNodes()) {
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foreach ($this->getChildren() as $child) {
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foreach ($this->childNodes as $child) {
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if (in_array($child->nodeName, $this->divToPElements)) {
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$result = true;
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} else {
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@@ -500,18 +504,22 @@ trait NodeTrait
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);
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}
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/**
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* In the original JS project they check if the node has the style display=none, which unfortunately
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* in our case we have no way of knowing that. So we just check for the attribute hidden or "display: none".
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*
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* Might be a good idea to check for classes or other attributes like 'aria-hidden'
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*
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* @return bool
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*/
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public function isProbablyVisible()
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{
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/*
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* In the original JS project they check if the node has the style display=none, which unfortunately
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* in our case we have no way of knowing that. So we just check for the attribute hidden or "display: none".
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*
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* Might be a good idea to check for classes or other attributes like 'aria-hidden'
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*/
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return !preg_match('/display:( )?none/', $this->getAttribute('style')) && !$this->hasAttribute('hidden');
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}
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/**
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* @return bool
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*/
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public function isWhitespace()
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{
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return ($this->nodeType === XML_TEXT_NODE && mb_strlen(trim($this->textContent)) === 0) ||
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@@ -557,4 +565,23 @@ trait NodeTrait
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$count -= ($count - $nodes->length);
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}
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}
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/**
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* Mimics JS's firstElementChild property. PHP only has firstChild which could be any type of DOMNode. Use this
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* function to get the first one that is an DOMElement node.
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*
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* @return \DOMElement|null
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*/
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public function getFirstElementChild()
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{
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if ($this->childNodes instanceof \Traversable) {
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foreach ($this->childNodes as $node) {
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if ($node instanceof \DOMElement) {
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return $node;
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}
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}
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}
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return null;
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}
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}
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