public function testTokenStream()
{
$stream = new TokenStream([new Token(null, 'Hello', TokenTypes::T_NAME, 0, 0), new Token(null, '"World"', TokenTypes::T_STR, 0, 0), new Token(null, '', TokenTypes::T_EOF, 0, 0)]);
$this->assertTrue($stream->test(TokenTypes::T_NAME, 'Hello'));
$this->assertEquals(new Token(null, '"World"', TokenTypes::T_STR, 0, 0), $stream->nextIf(TokenTypes::T_STR));
$this->assertEquals(new Token(null, '"World"', TokenTypes::T_STR, 0, 0), $stream->getCurrent());
$this->assertEquals(new Token(null, '"World"', TokenTypes::T_STR, 0, 0), $stream->expect(TokenTypes::T_STR));
$this->assertTrue($stream->isEOF());
}
protected function parseFilter($node)
{
$this->stream->expect(TokenTypes::T_FILTER);
while (true) {
$nameToken = $this->stream->expect(TokenTypes::T_NAME);
$name = $nameToken->getValue();
if ($this->stream->test(TokenTypes::T_OPEN_PARAN)) {
$arguments = $this->parseArguments();
} else {
$arguments = new Node\Expression\Arguments();
}
if ($this->stream->nextIf(TokenTypes::T_OPEN_PARAN)) {
$arguments = $this->parseArguments(false);
}
$node = new Node\Expression\Filter($node, $name, $arguments, $nameToken->getLine());
if (!$this->stream->nextIf(TokenTypes::T_FILTER)) {
break;
}
}
return $node;
}
public function decideIfEnd(TokenStream $stream)
{
return $stream->nextIf([TokenTypes::T_SECTION_TYPE], 'endblock');
}
/**
* @param TokenStream $stream
* @return bool
*/
public function testEnd(TokenStream $stream)
{
return $stream->nextIf([TokenTypes::T_SECTION_TYPE], $this->getSectionEnd());
}