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<?php |
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/** |
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* Webino (http://webino.sk) |
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* |
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* @link https://github.com/webino/WebinoDraw for the canonical source repository |
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* @copyright Copyright (c) 2012-2016 Webino, s. r. o. (http://webino.sk) |
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* @author Peter Bačinský <[email protected]> |
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* @license BSD-3-Clause |
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*/ |
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namespace WebinoDraw\Dom; |
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use DOMElement; |
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use DOMNode; |
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use DOMText; |
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use WebinoDraw\Exception; |
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/** |
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* Class Element |
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* |
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* Extended DOMElement |
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* |
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* @method $this appendChild(DOMNode $newnode) |
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*/ |
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class Element extends DOMElement implements |
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NodeInterface, |
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Locator\LocatorAwareInterface |
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{ |
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use NodeTrait; |
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use Locator\LocatorAwareTrait; |
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const NODE_NAME_PROPERTY = 'nodeName'; |
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const NODE_PATH_PROPERTY = 'nodePath'; |
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/** |
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* @param string $locator CSS selector or XPath (xpath=) |
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* @return NodeList |
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*/ |
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public function query($locator) |
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{ |
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return new NodeList($this->getLocator(), $this->getLocator()->locate($this, $locator)); |
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} |
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/** |
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* Attributes mass assignment |
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* |
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* @param array $attribs |
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* @param callable $callback Called on each attribute value |
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* @return self |
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*/ |
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public function setAttributes(array $attribs, $callback = null) |
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{ |
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foreach ($attribs as $name => $value) { |
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is_callable($callback) |
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and $value = $callback($value, $name); |
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if (empty($value) && !is_numeric($value)) { |
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$this->removeAttribute($name); |
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} else { |
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$this->setAttribute($name, trim($value)); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Returns the node body html |
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* |
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* @return string |
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*/ |
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public function getInnerHtml() |
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{ |
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$innerHtml = ''; |
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foreach ($this->childNodes as $child) { |
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$childHtml = $child->ownerDocument->saveXML($child); |
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empty($childHtml) or $innerHtml .= $childHtml; |
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} |
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return $innerHtml; |
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} |
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/** |
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* Returns the node html |
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* |
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* @return string |
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*/ |
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public function getOuterHtml() |
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{ |
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return trim($this->ownerDocument->saveXML($this)); |
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} |
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/** |
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* Returns the node text value and attributes in the array |
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* |
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* @param string $prefix |
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* @return array |
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*/ |
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public function getProperties($prefix = null) |
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{ |
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$properties = [ |
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$prefix . self::NODE_NAME_PROPERTY => empty($this->nodeName) ? '' : $this->nodeName, |
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$prefix . self::NODE_VALUE_PROPERTY => empty($this->nodeValue) ? '' : $this->nodeValue, |
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$prefix . self::NODE_PATH_PROPERTY => empty($this->nodeName) ? '' : $this->getNodePath(), |
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]; |
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if (!empty($this->attributes)) { |
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foreach ($this->attributes as $attr) { |
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$properties[$prefix . $attr->name] = $attr->value; |
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} |
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} |
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return $properties; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isEmpty() |
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{ |
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$nodeValue = trim($this->nodeValue); |
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if (!empty($nodeValue) || is_numeric($nodeValue)) { |
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return false; |
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} |
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// node value is empty, |
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// check for childs other than text |
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foreach ($this->childNodes as $childNode) { |
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if (!($childNode instanceof DOMText)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @param string $source |
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* @return $this |
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*/ |
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public function appendHtml($source) |
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{ |
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$errors = libxml_use_internal_errors(); |
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libxml_use_internal_errors(true); |
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// from fragment |
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$frag = $this->ownerDocument->createDocumentFragment(); |
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$frag->appendXml($source); |
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if ($frag->hasChildNodes()) { |
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$this->appendChild($frag); |
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libxml_use_internal_errors($errors); |
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return $this; |
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} |
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// from document fallback |
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$dom = new Document; |
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$dom->loadHTML($source, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); |
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$elm = $this->ownerDocument->importNode($dom->getDocumentElement(), true); |
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$this->appendChild($elm); |
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libxml_use_internal_errors($errors); |
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return $this; |
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} |
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} |
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webino /
WebinoDraw
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