/**
* Appends a node to the childNodes list of the current node
* @param Object The node to be appended
* @return Object The appended node
*/
function &appendChild(&$node)
{
if ($node->nodeType == DOMIT_ELEMENT_NODE) {
if ($this->documentElement == null) {
parent::appendChild($node);
$this->setDocumentElement($node);
} else {
//error thrown if documentElement already exists!
DOMIT_DOMException::raiseException(DOMIT_HIERARCHY_REQUEST_ERR, 'Cannot have more than one root node (documentElement) in a DOMIT_Document.');
}
} else {
DOMIT_DOMException::raiseException(DOMIT_HIERARCHY_REQUEST_ERR, 'Cannot add a node of type ' . get_class($node) . ' to a DOMIT_Document.');
}
return $node;
}
/**
* Appends a node to the childNodes list of the current node
* @param Object The node to be appended
* @return Object The appended node
*/
function &appendChild(&$node)
{
switch ($node->nodeType) {
case DOMIT_ELEMENT_NODE:
if ($this->documentElement == null) {
parent::appendChild($node);
$this->setDocumentElement($node);
} else {
//error thrown if documentElement already exists!
DOMIT_DOMException::raiseException(DOMIT_HIERARCHY_REQUEST_ERR, 'Cannot have more than one root node (documentElement) in a DOMIT_Document.');
}
break;
case DOMIT_PROCESSING_INSTRUCTION_NODE:
case DOMIT_COMMENT_NODE:
parent::appendChild($node);
break;
case DOMIT_DOCUMENT_TYPE_NODE:
if ($this->doctype == null) {
parent::appendChild($node);
} else {
DOMIT_DOMException::raiseException(DOMIT_HIERARCHY_REQUEST_ERR, 'Cannot have more than one doctype node in a DOMIT_Document.');
}
break;
case DOMIT_DOCUMENT_FRAGMENT_NODE:
$total = $node->childCount;
for ($i = 0; $i < $total; $i++) {
$currChild =& $node->childNodes[$i];
$this->appendChild($currChild);
}
break;
default:
DOMIT_DOMException::raiseException(DOMIT_HIERARCHY_REQUEST_ERR, 'Cannot add a node of type ' . get_class($node) . ' to a DOMIT_Document.');
}
return $node;
}
