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<?php
/**
*
* @package phpBB3
* @copyright (c) 2013 phpBB Group, sections (c) 2009 Fabien Potencier
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
class phpbb_template_twig_tokenparser_if extends Twig_TokenParser_If
{
/**
* Parses a token and returns a node.
*
* @param Twig_Token $token A Twig_Token instance
*
* @return Twig_NodeInterface A Twig_NodeInterface instance
*/
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);
$body = $this->parser->subparse(array($this, 'decideIfFork'));
$tests = array($expr, $body);
$else = null;
$end = false;
while (!$end) {
switch ($stream->next()->getValue()) {
case 'ELSE':
$stream->expect(Twig_Token::BLOCK_END_TYPE);
$else = $this->parser->subparse(array($this, 'decideIfEnd'));
break;
case 'ELSEIF':
$expr = $this->parser->getExpressionParser()->parseExpression();
$stream->expect(Twig_Token::BLOCK_END_TYPE);
$body = $this->parser->subparse(array($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->getFilename());
}
}
$stream->expect(Twig_Token::BLOCK_END_TYPE);
return new Twig_Node_If(new Twig_Node($tests), $else, $lineno, $this->getTag());
}
public function decideIfFork(Twig_Token $token)
{
return $token->test(array('ELSEIF', 'ELSE', 'ENDIF'));
}
public function decideIfEnd(Twig_Token $token)
{
return $token->test(array('ENDIF'));
}
/**
* Gets the tag name associated with this token parser.
*
* @return string The tag name
*/
public function getTag()
{
return 'IF';
}
}
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