protected function getTest(Twig_Parser $parser, $line)
{
$stream = $parser->getStream();
$name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
$env = $parser->getEnvironment();
if ($stream->test(Twig_Token::NAME_TYPE)) {
// try 2-words tests
$name = $name . ' ' . $parser->getCurrentToken()->getValue();
if ($test = $env->getTest($name)) {
$parser->getStream()->next();
return array($name, $test);
}
}
if ($test = $env->getTest($name)) {
return array($name, $test);
}
$e = new Twig_Error_Syntax(sprintf('Unknown "%s" test.', $name), $line, $parser->getFilename());
$e->addSuggestions($name, array_keys($env->getTests()));
throw $e;
}
public function subparse($test, $dropNeedle = false)
{
$lineno = $this->getCurrentToken()->getLine();
$rv = array();
while (!$this->stream->isEOF()) {
switch ($this->getCurrentToken()->getType()) {
case Twig_Token::TEXT_TYPE:
$token = $this->stream->next();
$rv[] = new Twig_Node_Text($token->getValue(), $token->getLine());
break;
case Twig_Token::VAR_START_TYPE:
$token = $this->stream->next();
$expr = $this->expressionParser->parseExpression();
$this->stream->expect(Twig_Token::VAR_END_TYPE);
$rv[] = new Twig_Node_Print($expr, $token->getLine());
break;
case Twig_Token::BLOCK_START_TYPE:
$this->stream->next();
$token = $this->getCurrentToken();
if ($token->getType() !== Twig_Token::NAME_TYPE) {
throw new Twig_Error_Syntax('A block must start with a tag name.', $token->getLine(), $this->getFilename());
}
if (null !== $test && $test($token)) {
if ($dropNeedle) {
$this->stream->next();
}
if (1 === count($rv)) {
return $rv[0];
}
return new Twig_Node($rv, array(), $lineno);
}
if (!isset($this->handlers[$token->getValue()])) {
if (null !== $test) {
$e = new Twig_Error_Syntax(sprintf('Unexpected "%s" tag', $token->getValue()), $token->getLine(), $this->getFilename());
if (is_array($test) && isset($test[0]) && $test[0] instanceof Twig_TokenParserInterface) {
$e->appendMessage(sprintf(' (expecting closing tag for the "%s" tag defined near line %s).', $test[0]->getTag(), $lineno));
}
} else {
$e = new Twig_Error_Syntax(sprintf('Unknown "%s" tag.', $token->getValue()), $token->getLine(), $this->getFilename());
$e->addSuggestions($token->getValue(), array_keys($this->env->getTags()));
}
throw $e;
}
$this->stream->next();
$subparser = $this->handlers[$token->getValue()];
$node = $subparser->parse($token);
if (null !== $node) {
$rv[] = $node;
}
break;
default:
throw new Twig_Error_Syntax('Lexer or parser ended up in unsupported state.', 0, $this->getFilename());
}
}
if (1 === count($rv)) {
return $rv[0];
}
return new Twig_Node($rv, array(), $lineno);
}
protected function getFilterNodeClass($name, $line)
{
$env = $this->parser->getEnvironment();
if (false === ($filter = $env->getFilter($name))) {
$e = new Twig_Error_Syntax(sprintf('Unknown "%s" filter.', $name), $line, $this->parser->getFilename());
$e->addSuggestions($name, array_keys($env->getFilters()));
throw $e;
}
if ($filter instanceof Twig_SimpleFilter && $filter->isDeprecated()) {
$message = sprintf('Twig Filter "%s" is deprecated', $filter->getName());
if ($filter->getAlternative()) {
$message .= sprintf('. Use "%s" instead', $filter->getAlternative());
}
$message .= sprintf(' in %s at line %d.', $this->parser->getFilename(), $line);
@trigger_error($message, E_USER_DEPRECATED);
}
if ($filter instanceof Twig_SimpleFilter) {
return $filter->getNodeClass();
}
return $filter instanceof Twig_Filter_Node ? $filter->getClass() : 'Twig_Node_Expression_Filter';
}
private function getFilterNodeClass($name, $line)
{
$env = $this->parser->getEnvironment();
if (false === ($filter = $env->getFilter($name))) {
$e = new Twig_Error_Syntax(sprintf('Unknown "%s" filter.', $name), $line, $this->parser->getFilename());
$e->addSuggestions($name, array_keys($env->getFilters()));
throw $e;
}
if ($filter->isDeprecated()) {
$message = sprintf('Twig Filter "%s" is deprecated', $filter->getName());
if (!is_bool($filter->getDeprecatedVersion())) {
$message .= sprintf(' since version %s', $filter->getDeprecatedVersion());
}
if ($filter->getAlternative()) {
$message .= sprintf('. Use "%s" instead', $filter->getAlternative());
}
$message .= sprintf(' in %s at line %d.', $this->parser->getFilename(), $line);
@trigger_error($message, E_USER_DEPRECATED);
}
return $filter->getNodeClass();
}