/**
* @param string $expression
* @return CompoundExpression
*/
public static function parseConjunctiveExpression($expression)
{
$result = new CompoundExpression(CompoundExpression::CONJUNCTIVE);
if (preg_match(self::REGEX_HYPHEN, $expression, $parts)) {
$result->addMultiple(self::parseHyphen($parts[1], $parts[2]));
} else {
foreach (preg_split('/\\s+/', $expression) as $simple) {
$result->addMultiple(self::parseSimpleExpression($simple));
}
}
return $result;
}
