/**
* Recursively walk through the element tree and write elements to the
* XMLWriter instance.
*
* @param XMLWriter $writer
* @param Polycast_XmlRpc_Generator_Element $element
* @return void
*/
protected function _generateXml(XMLWriter $writer, Polycast_XmlRpc_Generator_Element $element)
{
$writer->startElement($element->getName());
foreach ($element->getChildren() as $child) {
if ($child instanceof Polycast_XmlRpc_Generator_Element) {
/* @var $child Polycast_XmlRpc_Generator_Element */
$this->_generateXml($writer, $child);
} elseif ($child instanceof Polycast_XmlRpc_Value) {
/* @var $child Polycast_XmlRpc_Value */
$writer->writeRaw($child->saveXml());
} else {
$writer->text($child);
}
}
$writer->endElement();
}
/**
* Return the XML code that represent struct native MXL-RPC value
*
* @return string
*/
public function saveXML()
{
if (!$this->_as_xml) {
// The XML code was not calculated yet
$generator = $this->getGenerator();
// assemble envelope
$element = new Polycast_XmlRpc_Generator_Element('value', array($struct = new Polycast_XmlRpc_Generator_Element('struct')));
// assemble members
if (is_array($this->_value)) {
foreach ($this->_value as $name => $val) {
/* @var $val Polycast_XmlRpc_Value */
$struct->appendChild(new Polycast_XmlRpc_Generator_Element('member', array(new Polycast_XmlRpc_Generator_Element('name', array($name)), $val)));
}
}
$this->_as_xml = $this->_stripXmlDeclaration($generator->generateXml($element));
}
return $this->_as_xml;
}
/**
* Builds the document recursively.
*
* @param DOMDocument $dom
* @param Polycast_XmlRpc_Generator_Element $element
* @param DOMElement $rootNode
* @return void
*/
protected function _generateXml(DOMDocument $dom, Polycast_XmlRpc_Generator_Element $element, DOMElement $rootNode = null)
{
$node = $dom->createElement($element->getName());
if (is_null($rootNode)) {
$dom->appendChild($node);
} else {
$rootNode->appendChild($node);
}
foreach ($element->getChildren() as $child) {
if ($child instanceof Polycast_XmlRpc_Generator_Element) {
/* @var $child Polycast_XmlRpc_Generator_Element */
$this->_generateXml($dom, $child, $node);
} elseif ($child instanceof Polycast_XmlRpc_Value) {
/* @var $child Polycast_XmlRpc_Value */
$importNode = new DOMDocument();
$importNode->loadXML($child->saveXML());
$node->appendChild($dom->importNode($importNode->documentElement, true));
} else {
$node->appendChild($dom->createTextNode($child));
}
}
}
/**
* Create XML request
*
* @return string
*/
public function saveXML()
{
$args = $this->_getXmlRpcParams();
$method = $this->getMethod();
$generator = Polycast_XmlRpc_Value::getGenerator();
$element = new Polycast_XmlRpc_Generator_Element('methodCall', array(new Polycast_XmlRpc_Generator_Element('methodName', array($method))));
if (is_array($args) && count($args)) {
$params = new Polycast_XmlRpc_Generator_Element('params');
$element->appendChild($params);
foreach ($args as $arg) {
/* @var $arg Polycast_XmlRpc_Value */
$params->appendChild(new Polycast_XmlRpc_Generator_Element('param', array($arg)));
}
}
return $generator->generateXml($element);
}
