/**
* Appends (copies) a child $source and all its descendants to $this node
* @since 1.2.4
*
* @param CBSimpleXMLElement $source
* @param callback $callBack to check/transform data or attributes of a node: $destinationData = function ( string|array $sourceData, CBSimpleXMLElement $sourceNode, CBSimpleXMLElement $destinationParentNode );
*/
function &addChildWithDescendants(&$source, $callBack = null)
{
if ($callBack === null) {
$child = $this->addChildWithAttr($source->name(), $source->data(), null, $source->attributes());
} else {
$child = $this->addChildWithAttr($source->name(), call_user_func_array($callBack, array($source->data(), $source, $this)), null, call_user_func_array($callBack, array($source->attributes(), $source, $this)));
}
foreach ($source->children() as $sourceChild) {
$child->addChildWithDescendants($sourceChild, $callBack);
}
return $child;
}
/**
* Protected internal function that handles missing DOM functionality:
* $callBack to the copied attributes and data, as well as copying of children.
* @since 1.2.4
* @protected
*
* @param DOMElement $newNode new DOM (incomplete) node just inserted/replaced
* @param CBSimpleXMLElement $xmlSourceNode original XML node that got copied into DOM
* @param callback $callBack to check/transform data or attributes of a node: $destinationData = function ( string|array $sourceData, CBSimpleXMLElement $sourceNode, CBSimpleXMLElement $destinationParentNode );
* @return CBSimpleXMLElement New XML node
*/
function & _domCopyChildrenCallbackonNode( &$newNode, $xmlSourceNode, $callBack ) {
$newNodeXML =& simplexml_import_dom( $newNode, get_class( $this ) );
if ( $callBack === null ) {
$newNode->nodeValue = $xmlSourceNode->data();
$attributesToCopy = $xmlSourceNode->attributes();
foreach ( $attributesToCopy as $k => $v ) {
// PHP 5.2 doesn't copy attributes however PHP 5.3 does it, so let's copy again for PHP 5.2: //TBD later check from which version this 5.2 bug has been fixed...
$newNode->setAttribute( $k, $attributesToCopy[$k] );
}
} else {
$newNode->nodeValue = call_user_func_array( $callBack, array( $xmlSourceNode->data(), $xmlSourceNode, $newNodeXML ) );
$copiedAttributes = $newNode->attributes;
foreach ( $copiedAttributes as $k => $v ) {
$newNode->removeAttribute( $k );
}
// the new set of $attributes can be different from old one, thus we needed to remove old set (copied in PHP 5.3 only) first, then copy new:
$attributes = call_user_func_array( $callBack, array( $xmlSourceNode->attributes(), $xmlSourceNode, $newNodeXML ) );
foreach ( $attributes as $k => $v ) {
$newNode->setAttribute( $k, $v );
}
}
foreach ($xmlSourceNode->children() as $child ) {
$newNodeXML->addChildWithDescendants( $child, $callBack );
}
return $newNodeXML;
}
