* {% if users %}
*
* {% for user in users %}
* - {{ user.username|e }}
* {% endfor %}
*
* {% endif %}
*
*/
final class Twig_TokenParser_If extends Twig_TokenParser
{
public function parse(Twig_Token $token)
{
$lineno = $token->getLine();
$expr = $this->parser->getExpressionParser()->parseExpression();
$stream = $this->parser->getStream();
$stream->expect(/* Twig_Token::BLOCK_END_TYPE */ 3);
$body = $this->parser->subparse([$this, 'decideIfFork']);
$tests = [$expr, $body];
$else = null;
$end = false;
while (!$end) {
switch ($stream->next()->getValue()) {
case 'else':
$stream->expect(/* Twig_Token::BLOCK_END_TYPE */ 3);
$else = $this->parser->subparse([$this, 'decideIfEnd']);
break;
case 'elseif':
$expr = $this->parser->getExpressionParser()->parseExpression();
$stream->expect(/* Twig_Token::BLOCK_END_TYPE */ 3);
$body = $this->parser->subparse([$this, 'decideIfFork']);
$tests[] = $expr;
$tests[] = $body;
break;
case 'endif':
$end = true;
break;
default:
throw new Twig_Error_Syntax(sprintf('Unexpected end of template. Twig was looking for the following tags "else", "elseif", or "endif" to close the "if" block started at line %d).', $lineno), $stream->getCurrent()->getLine(), $stream->getSourceContext());
}
}
$stream->expect(/* Twig_Token::BLOCK_END_TYPE */ 3);
return new Twig_Node_If(new Twig_Node($tests), $else, $lineno, $this->getTag());
}
public function decideIfFork(Twig_Token $token)
{
return $token->test(['elseif', 'else', 'endif']);
}
public function decideIfEnd(Twig_Token $token)
{
return $token->test(['endif']);
}
public function getTag()
{
return 'if';
}
}
class_alias('Twig_TokenParser_If', 'Twig\TokenParser\IfTokenParser', false);