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<?php
namespace Gt\Dom;
/**
* Calls prop_* methods to provide live properties through the
* __get and __set magic methods.
*
* If the class with this trait has its own __get method, for compatibility
* it should call the __get_live method after its own processing.
*
* @property-read Document $ownerDocument
*/
trait LiveProperty {
public function __get($name) {
return self::__get_live($name);
}
public function __set($name, $value) {
return self::__set_live($name, $value);
}
private function __get_live($name) {
$methodName = "prop_get_$name";
if(method_exists($this, $methodName)) {
return $this->$methodName();
}
if(isset(PropertyAttribute::PROPERTY_ATTRIBUTE_MAP[$name])) {
$attribute = PropertyAttribute::PROPERTY_ATTRIBUTE_MAP[$name];
if($attribute === true) {
return $this->hasAttribute($name);
}
return $this->getAttribute($name);
}
}
private function __set_live($name, $value) {
$methodName = "prop_set_$name";
if(method_exists($this, $methodName)) {
return $this->$methodName($value);
}
if(isset(PropertyAttribute::PROPERTY_ATTRIBUTE_MAP[$name])) {
$attribute = PropertyAttribute::PROPERTY_ATTRIBUTE_MAP[$name];
if($attribute === true) {
$newAttr = $this->ownerDocument->createAttribute($name);
if($value) {
$this->setAttributeNode($newAttr);
}
else {
$this->removeAttribute($name);
}
}
else {
$this->setAttribute($attribute, $value);
}
}
return null;
}
}