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<?php |
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namespace Sulao\HtmlQuery; |
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use DOMDocument, DOMNode; |
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/** |
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* Class HtmlNode |
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* |
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* @package Sulao\HtmlQuery |
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*/ |
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class HtmlNode |
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{ |
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/** |
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* @var DOMNode |
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*/ |
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protected $node; |
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/** |
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* HtmlNode constructor. |
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* |
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* @param DOMNode $node |
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*/ |
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public function __construct(DOMNode $node) |
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{ |
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$this->node = $node; |
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} |
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/** |
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* Get the outer HTML content. |
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* |
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* @return string|null |
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*/ |
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public function outerHtml() |
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{ |
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return $this->getDoc()->saveHTML($this->node); |
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} |
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/** |
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* Get the inner HTML content. |
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* |
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* @return string|null |
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*/ |
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public function getHtml() |
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{ |
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$content = ''; |
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foreach (iterator_to_array($this->node->childNodes) as $childNode) { |
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$content .= $this->getDoc()->saveHTML($childNode); |
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} |
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return $content; |
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} |
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/** |
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* Get the combined text contents, including it's descendants. |
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* |
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* @return string|null |
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*/ |
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public function getText() |
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{ |
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return $this->node->textContent; |
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} |
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/** |
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* Set the text contents. |
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* |
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* @param string $text |
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*/ |
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public function setText(string $text) |
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{ |
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$this->node->nodeValue = $text; |
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} |
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/** |
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* Remove all child nodes from the DOM. |
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*/ |
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public function empty() |
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{ |
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$this->node->nodeValue = ''; |
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} |
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/** |
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* Remove the node from the DOM. |
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*/ |
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public function remove() |
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{ |
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if ($this->node->parentNode) { |
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$this->node->parentNode->removeChild($this->node); |
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} |
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} |
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/** |
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* Insert a node before the node. |
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* |
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* @param DOMNode $newNode |
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*/ |
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public function before(DOMNode $newNode) |
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{ |
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if ($this->node->parentNode) { |
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$this->node->parentNode->insertBefore($newNode, $this->node); |
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} |
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} |
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/** |
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* Insert new node after the node. |
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* |
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* @param DOMNode $newNode |
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*/ |
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public function after(DOMNode $newNode) |
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{ |
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$nextSibling = $this->node->nextSibling; |
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if ($nextSibling && $nextSibling->parentNode) { |
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$nextSibling->parentNode->insertBefore($newNode, $nextSibling); |
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} elseif ($this->node->parentNode) { |
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$this->node->parentNode->appendChild($newNode); |
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} |
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} |
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/** |
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* Insert a node to the end of the node. |
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* |
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* @param DOMNode $newNode |
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*/ |
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public function append(DOMNode $newNode) |
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{ |
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$this->node->appendChild($newNode); |
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} |
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/** |
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* Insert content or node(s) to the beginning of each matched node. |
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* |
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* @param DOMNode $newNode |
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*/ |
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public function prepend(DOMNode $newNode) |
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{ |
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if ($this->node->firstChild) { |
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$this->node->insertBefore($newNode, $this->node->firstChild); |
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} else { |
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$this->node->appendChild($newNode); |
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} |
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} |
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/** |
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* Replace the node with the provided node |
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* |
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* @param DOMNode $newNode |
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*/ |
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public function replaceWith(DOMNode $newNode) |
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{ |
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if ($this->node->parentNode) { |
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$this->node->parentNode->replaceChild($newNode, $this->node); |
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} |
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} |
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/** |
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* Remove the HTML tag of the node from the DOM. |
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* Leaving the child nodes in their place. |
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*/ |
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public function unwrapSelf() |
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{ |
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foreach (iterator_to_array($this->node->childNodes) as $childNode) { |
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$this->before($childNode); |
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} |
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$this->remove(); |
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} |
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/** |
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* Get DOMDocument of the node |
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* |
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* @return DOMDocument |
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*/ |
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51 |
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protected function getDoc(): DOMDocument |
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{ |
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return $this->node instanceof DOMDocument |
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? $this->node |
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: $this->node->ownerDocument; |
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} |
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} |
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xinningsu /
html-query
