/**
* Creates a new Operator
*
* @param Expression $operand...
*/
public function __construct()
{
$operands = func_get_args();
array_walk($operands, function (&$operand) {
if (!$operand instanceof Expression) {
$operand = Primitive::create($operand);
}
});
$this->operands = $operands;
}
/**
* Parses the operands defined in an XML element and adds them to an operator
*
* @param Operator $operator
* @param \DOMElement $operatorElement
* @param \DOMXPath $xpath
* @return Operator
*/
protected function parseOperands(Operator $operator, \DOMElement $operatorElement, \DOMXPath $xpath)
{
foreach ($operatorElement->attributes as $attribute) {
$operator->addOperand(Primitive::create($attribute->nodeValue));
}
$nodes = $xpath->query(sprintf('*[namespace-uri() = "%s"]', XmlLoader::XMLNS_LOADER), $operatorElement);
foreach ($nodes as $node) {
$parser = OperatorParserFactoryMethod::create($node->localName);
$operator->addOperand($parser->parse($node, $xpath));
}
return $operator;
}
/** @test */
public function createBoolean()
{
$string = Primitive::create(false);
$this->assertInstanceOf('Superruzafa\\Rules\\Expression\\Primitive\\Boolean', $string);
$this->assertFalse($string->evaluate());
}
