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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @copyright Portions (c) 2009 Fabien Potencier, Armin Ronacher
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\template\twig\tokenparser;
class defineparser extends \Twig_TokenParser
{
/**
* Parses a token and returns a node.
*
* @param \Twig_Token $token A Twig_Token instance
*
* @return \Twig_Node A Twig_Node instance
* @throws \Twig_Error_Syntax
* @throws \phpbb\template\twig\node\definenode
*/
public function parse(\Twig_Token $token)
{
$lineno = $token->getLine();
$stream = $this->parser->getStream();
$name = $this->parser->getExpressionParser()->parseExpression();
$capture = false;
if ($stream->test(\Twig_Token::OPERATOR_TYPE, '='))
{
$stream->next();
$value = $this->parser->getExpressionParser()->parseExpression();
if ($value instanceof \Twig_Node_Expression_Name)
{
// This would happen if someone improperly formed their DEFINE syntax
// e.g. <!-- DEFINE $VAR = foo -->
throw new \Twig_Error_Syntax('Invalid DEFINE', $token->getLine(), $this->parser->getStream()->getSourceContext()->getPath());
}
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
}
else
{
$capture = true;
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
$value = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
}
return new \phpbb\template\twig\node\definenode($capture, $name, $value, $lineno, $this->getTag());
}
public function decideBlockEnd(\Twig_Token $token)
{
return $token->test('ENDDEFINE');
}
/**
* Gets the tag name associated with this token parser.
*
* @return string The tag name
*/
public function getTag()
{
return 'DEFINE';
}
}
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