protected function parseAnnotations($response, &$annotations)
{
global $smwgSPARQLResultEncoding;
// PHP strings are always interpreted in ISO-8859-1 but may be actually encoded in
// another charset.
if (isset($smwgSPARQLResultEncoding) && $smwgSPARQLResultEncoding == 'UTF-8') {
$response = utf8_decode($response);
}
$dom = simplexml_load_string($response);
$results = $dom->xpath('//result');
foreach ($results as $r) {
$children = $r->children();
// binding nodes
$b = $children->binding[0];
// predicate
$sv = $b->children()->uri[0];
$title = TSHelper::getTitleFromURI((string) $sv);
if (is_null($title)) {
continue;
}
$predicate = SMWPropertyValue::makeUserProperty($title->getText());
$categories = array();
$b = $children->binding[1];
// categories
$values = array();
foreach ($b->children()->uri as $sv) {
$object = TSHelper::getTitleFromURI((string) $sv);
if (TSHelper::isLocalURI((string) $sv)) {
$value = SMWDataValueFactory::newPropertyObjectValue($predicate, $object);
} else {
$value = SMWDataValueFactory::newTypeIDValue('_uri', (string) $sv);
}
// add metadata
$metadata = array();
foreach ($sv->attributes() as $mdProperty => $mdValue) {
if (strpos($mdProperty, "_meta_") === 0) {
$value->setMetadata(strtoupper($mdProperty), explode("|||", $mdValue));
}
}
$values[] = $value;
}
foreach ($b->children()->literal as $sv) {
$literal = array((string) $sv, $sv->attributes()->datatype);
$value = $this->getLiteral($literal, $predicate);
// add metadata
$metadata = array();
foreach ($sv->attributes() as $mdProperty => $mdValue) {
if (strpos($mdProperty, "_meta_") === 0) {
$value->setMetadata(strtoupper($mdProperty), explode("|||", $mdValue));
}
}
$values[] = $value;
}
$annotations[] = array($predicate, $values);
}
}
