/**
* Visit optional sub expression
*
* The return type of this method varies deping on the concrete visitor
* implementation
*
* @param slRegularExpressionOptional $regularExpression
* @return mixed
*/
protected function visitOptional(slRegularExpressionOptional $regularExpression)
{
return $this->visit($regularExpression->getChild()) . '?';
}
/**
* Visit optional sub expression
*
* The return type of this method varies deping on the concrete visitor
* implementation
*
* @param slRegularExpressionOptional $regularExpression
* @return mixed
*/
protected function visitOptional(slRegularExpressionOptional $regularExpression)
{
$sequence = $this->document->createElementNS('http://www.w3.org/2001/XMLSchema', 'sequence');
$sequence->setAttribute('minOccurs', '0');
$sequence->setAttribute('maxOccurs', '1');
$sequence->appendChild($this->visit($regularExpression->getChild()));
return $sequence;
}
public function testSingularGetChildren()
{
$regexp = new slRegularExpressionOptional(new slRegularExpressionElement('a'));
$regexp->setChild($c = new slRegularExpressionElement('b'));
$this->assertSame(array($c), $regexp->getChildren());
}
