/**
* @param string $tsvStatement
* @return FullStatement
*/
public function parseTsvStatement($tsvStatement)
{
$parts = explode("\t", $tsvStatement);
$partsCount = count($parts);
if ($partsCount < 3 || $partsCount % 2 != 1) {
throw new InvalidArgumentException("Invalid statement: {$tsvStatement}");
}
list($subject, $property, $object) = $parts;
$qualifiers = new SnakList();
$reference = new SnakList();
for ($i = 3; $i < $partsCount; $i += 2) {
switch ($parts[$i]) {
case 'P':
$qualifiers->addSnak(new PropertyValueSnak($this->entityIdParser->parse($parts[$i]), $this->parseDataValue($parts[$i + 1])));
break;
case 'S':
$reference->addSnak(new PropertyValueSnak($this->entityIdParser->parse(str_replace('S', 'P', $parts[$i])), $this->parseDataValue($parts[$i + 1])));
break;
default:
throw new InvalidArgumentException("Invalid statement: {$tsvStatement}");
}
}
return new FullStatement($this->entityIdParser->parse($subject), new Statement(new PropertyValueSnak($this->entityIdParser->parse($property), $this->parseDataValue($object)), $qualifiers, new ReferenceList($reference->isEmpty() ? [new Reference($reference)] : [])));
}
/**
* @since 2.6
*
* @return bool
*/
public function isEmpty()
{
return $this->snaks->isEmpty();
}