/**
* Get acknowledgment status
*
* @return string
*/
function getStatutAcknowledgment()
{
$xpath = new CHL7v2MessageXPath($this->dom_message);
return $xpath->queryTextNode("//MSA/MSA.1");
}
/**
* Get the text of a node corresponding to an XPath
*
* @param string $nodeName The XPath to the node
* @param DOMNode|null $contextNode The context node from which the XPath starts
* @param boolean $root Is root node ?
*
* @return string
*/
function queryTextNode($nodeName, DOMNode $contextNode, $root = false)
{
$xpath = new CHL7v2MessageXPath($contextNode ? $contextNode->ownerDocument : $this);
return $xpath->queryTextNode($nodeName, $contextNode);
}
/**
* Get fields tree
*
* @param array &$_datatypes Datatypes
* @param string $datatype_name Datatype name
* @param string $fullpath_component Fullpath
*
* @return array
*/
function readDataTypeSchema(&$_datatypes, $datatype_name, $fullpath_component)
{
if (array_key_exists($datatype_name, CHDataType::$typesMap)) {
return array();
}
$datatype_schema = $this->message->getSchema("composite", $datatype_name);
$datatype_xpath = new CHL7v2MessageXPath($datatype_schema);
$fields = $datatype_xpath->query("//field");
foreach ($fields as $_field) {
$_component_datatype = $datatype_xpath->queryTextNode("datatype", $_field);
$children = array();
$this->readDataTypeSchema($children, $_component_datatype, $fullpath_component);
$_datatypes[] = array("name" => $_component_datatype, "fullpath" => "{$fullpath_component}/{$_component_datatype}", "datatype" => $_component_datatype, "children" => $children);
}
}