/**
* Parse values of resource fields and TVs. Set resource fields and return TVs.
* @param modResource $resource
* @param $file
* @param array $elements
* @return array
*/
public function parseElements(modResource &$resource, $file, $elements = array())
{
if (empty($elements)) {
return false;
}
$doc = new DOMDocument();
$doc->preserveWhiteSpace = false;
$doc->formatOutput = true;
$doc->loadHTML($file);
$xpath = new DOMXPath($doc);
$body = $doc->documentElement;
$tvs = array();
foreach ($elements as $field => $selector) {
if ($resource->getField($field, true)) {
$fieldValue = $this->getFieldValue($selector, $body, $xpath);
if ($fieldValue !== false) {
$resource->set($field, $fieldValue);
}
} else {
$tv = $this->modx->getObject('modTemplateVar', array('name' => $field));
if ($tv) {
$tvs[$field] = $this->getFieldValue($selector, $body, $xpath);
}
}
}
return $tvs;
}
