/**
* Parses a single argument and returns the data that is created
*
* @param \vc\Tokens\Access $access
* @return \vc\Data\Arg
*/
private function parseArg(\vc\Tokens\Access $access)
{
$arg = new \vc\Data\Arg();
// We've already ensured this token is an appropriate type in the
// calling method, so we don't need to do any extensive checking
$token = $access->peekAtToken();
// Parse out any type hinting
if ($token->is(array(Token::T_ARRAY, Token::T_STRING, Token::T_NS_SEPARATOR))) {
$arg->setType($token->is(Token::T_ARRAY) ? 'array' : $this->path->parsePath($access));
$access->popToken();
$token = $access->peekToRequired(array(Token::T_AMPERSAND, Token::T_VARIABLE));
}
// Check to see if this argument is being passed by reference
if ($token->is(Token::T_AMPERSAND)) {
$arg->setReference(TRUE);
$access->popToken();
$token = $access->peekToRequired(array(Token::T_VARIABLE));
}
// Grab the name of the argument. Up to this point, it has only been
// peeked at, so we need to remove it from the list
$arg->setVariable($token->getContent());
$access->popToken();
// Look for a default value for this argument
$token = $access->find(array(Token::T_EQUALS));
if ($token && $token->is(Token::T_EQUALS)) {
$arg->setDefault($this->value->parseValue($access));
}
// Pop the comma off the list if one exists
$access->find(array(Token::T_COMMA));
return $arg;
}
public function testReferenceAccess()
{
$arg = new \vc\Data\Arg();
$this->assertFalse($arg->getReference());
$this->assertSame($arg, $arg->setReference(TRUE));
$this->assertTrue($arg->getReference());
}