public function test_expanders_that_takes_other_expanders_as_arguments()
{
$pattern = "@type@.expander(expander(\"test\"), expander(1))";
$expanders = $this->parser->getAST($pattern)->getExpanders();
$firstExpander = new Expander("expander");
$firstExpander->addArgument("test");
$secondExpander = new Expander("expander");
$secondExpander->addArgument(1);
$this->assertEquals($expanders[0]->getArguments(), array($firstExpander, $secondExpander));
}
/**
* @param Expander $expanderNode
* @throws InvalidExpanderTypeException
* @throws UnknownExpanderException
* @return PatternExpander
*/
public function initialize(Expander $expanderNode)
{
if (!array_key_exists($expanderNode->getName(), $this->expanderDefinitions)) {
throw new UnknownExpanderException(sprintf("Unknown expander \"%s\"", $expanderNode->getName()));
}
$reflection = new \ReflectionClass($this->expanderDefinitions[$expanderNode->getName()]);
if ($expanderNode->hasArguments()) {
$arguments = array();
foreach ($expanderNode->getArguments() as $argument) {
$arguments[] = $argument instanceof Expander ? $this->initialize($argument) : $argument;
}
$expander = $reflection->newInstanceArgs($arguments);
} else {
$expander = $reflection->newInstance();
}
if (!$expander instanceof PatternExpander) {
throw new InvalidExpanderTypeException();
}
return $expander;
}
/**
* Add arguments to expander
*
* @param AST\Expander $expander
*/
private function addArgumentValues(AST\Expander $expander)
{
while (($argument = $this->getNextArgumentValue()) !== null) {
$argument = $argument === self::NULL_VALUE ? null : $argument;
$expander->addArgument($argument);
if (!$this->lexer->isNextToken(Lexer::T_COMMA)) {
break;
}
$this->lexer->moveNext();
if ($this->lexer->isNextToken(Lexer::T_CLOSE_PARENTHESIS)) {
$this->unexpectedSyntaxError($this->lexer->lookahead, "string, number, boolean or null argument");
}
}
}