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<?php |
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namespace PHPTools\PHPHtmlDom\Core; |
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/** |
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* Esta clase representativa de un objeto DOMElement |
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*/ |
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class PHPHtmlDomElement extends \PHPTools\PHPHtmlDom\Core\PHPHtmlDomElementAbstract |
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{ |
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/** |
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* Objeto nativo php que representa un elemento DOM. |
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* @var \DOMElement |
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*/ |
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protected $dom_element; |
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/** |
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* Nombre de la etiqueta del elemento. |
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* @var string |
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*/ |
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public $tagName; |
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/** |
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* Texto que contiene el elemento, puede ser un arreglo de texto o una cadena d etexto simple. |
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* @var array|string |
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*/ |
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public $text; |
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/** |
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* Texto con formato que contiene el elemento, esto abarca todas las etiquetas de estilo de texto. |
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* @var string |
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*/ |
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public $textFormatting; |
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/** |
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* Objeto que contiene los atributos del elemento. |
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* @var \stdClass |
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*/ |
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public $attrs; |
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/** |
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* Objeto que contiene los elementtos hijos. |
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* @var \PHPTools\PHPHtmlDom\Core\PHPHtmlDomList |
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*/ |
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public $childs; |
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public function __construct (\DOMElement $element) |
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{ |
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$this->dom_element = $element; |
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$this->tagName = $element->tagName; |
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$this->text = ''; |
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$this->textFormatting = ''; |
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$this->get_attrs(); |
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$this->get_childs(); |
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$this->get_Text(); |
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} |
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/** |
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* Metodo que permite obtener todos atributos del elementos y convertirlos en un objeto stdClass. |
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* @return self |
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*/ |
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private function get_attrs() |
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{ |
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$this->attrs = new \stdClass; |
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foreach($this->dom_element->attributes as $name => $node) |
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{ |
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$this->attrs->{strtolower($name)} = $node->nodeValue; |
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} |
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return $this; |
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} |
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/** |
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* Metodo que permite obtener los elementos hijos y convertirlos en un objeto lista PHPHtmlDomList. |
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* @return self |
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*/ |
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private function get_childs() |
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{ |
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$this->childs = new \PHPTools\PHPHtmlDom\Core\PHPHtmlDomList($this->dom_element->childNodes); |
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return $this; |
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} |
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/** |
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* Metodo que permite obtener el texto que se encuentra dentro del elemento. |
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* @return self |
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*/ |
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private function get_Text() |
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{ |
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$text_formatting = array('b','strong','em','i','small','strong','sub','sup','ins','del','mark','br','hr'); |
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foreach ($this->dom_element->childNodes as $node) |
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{ |
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if($node->nodeType == 3) |
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{ |
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$this->set_text(trim($node->textContent)); |
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$this->textFormatting.=$node->textContent; |
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} |
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else if($node->nodeType == 1 && !!in_array($node->tagName, $text_formatting)) |
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{ |
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if(!!in_array($node->tagName, ['br','hr'])) |
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{ |
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$this->textFormatting.= sprintf('<%s>',$node->tagName); |
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} |
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else |
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{ |
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$tag = $node->tagName; |
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$attrs = $this->attrs_to_string($node->attributes); |
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$text = $node->textContent; |
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$this->textFormatting.= sprintf('<%1$s%2$s>%3$s</%1$s>',$tag,$attrs,$text); |
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} |
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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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* Metodo que permite definir e texto del elemento. |
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* @param string $text Cden de texto a definirse. |
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* @return self |
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*/ |
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private function set_text($text) |
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{ |
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if(!!$text) |
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{ |
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if(!!$this->text) |
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{ |
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if(!!is_array($this->text)) |
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{ |
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$this->text[] = $text; |
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} |
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else |
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{ |
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$this->text = array($this->text,$text); |
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} |
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} |
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else |
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{ |
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$this->text = $text; |
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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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* Este metodo permite concatenar un objeto de atributos en una sola cadena. |
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* @param attay $attrs Arreglo de atributos. |
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* @return string |
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*/ |
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private function attrs_to_string($attrs) |
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{ |
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$attrs_string =''; |
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foreach($attrs as $name => $node) |
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{ |
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$attrs_string.= sprintf(' %s="%s"',$name,$node->nodeValue); |
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} |
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return $attrs_string; |
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} |
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} |
ElMijo /
php-html-dom
