public function addElement(parser\element $element, $iPosition = null)
{
if (!$element->getNamespace()) {
$this->launchException('Element not valid, no namespace defined');
}
if (isset($this->aElements[$element->getNamespace()][$element->getName()])) {
$this->launchException('Element ever registered', get_defined_vars());
}
$element->setPosition($iPosition);
$element->setParticle($this);
$this->aElements[$element->getNamespace()][$element->getName()] = $element;
if (is_null($iPosition)) {
$iPosition = count($this->aElementsIndexed);
}
$this->aElementsIndexed[$iPosition] = $element;
}
