public function parse(Parser $parser, Stream $stream)
{
if ($stream->nextTokenIf(Token::IDENTIFIER)) {
$token = $stream->expectCurrent(Token::IDENTIFIER, ['off', 'on', 'auto', 'disabled', 'enabled']);
} else {
$token = $stream->expect(Token::STRING);
}
switch ($token->getValue()) {
case 'disabled':
case 'off':
$strategy = 0;
break;
case 'on':
case 'enabled':
case 'auto':
$strategy = 1;
break;
default:
$strategy = $token->getValue();
break;
}
$node = new TagNode($this, ['strategy' => $strategy]);
$stream->expect(Token::TAG_END);
$node->addChild($parser->parseBlock($stream, 'endautofilter'), 'body');
$stream->expect(Token::TAG_END);
return $node;
}
private function parseConditional()
{
//Only instantiate ConditionalOperator when there is a possibility of it being used
if (!isset($this->conditionalOperator)) {
$this->conditionalOperator = new ConditionalOperator();
}
$left = $this->operandStack->pop();
// Check whether the current expression is a simplified conditional
// expression (expr1 ?: expr3)
if (!$this->stream->nextTokenIf(Token::PUNCTUATION, ':')) {
$middle = $this->parseExpression(true);
$this->stream->expectCurrent(Token::PUNCTUATION, ':');
} else {
$middle = null;
}
$right = $this->parseExpression(true);
$this->operandStack->push($this->conditionalOperator->createNode($left, $right, $middle));
}
