<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Defines a macro.
*
* <pre>
* {% macro input(name, value, type, size) %}
* <input type="{{ type|default('text') }}" name="{{ name }}" value="{{ value|e }}" size="{{ size|default(20) }}" />
* {% endmacro %}
* </pre>
*/
class Twig_TokenParser_Macro extends Twig_TokenParser
{
/**
* 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();
$name = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue();
$arguments = $this->parser->getExpressionParser()->parseArguments();
$this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
$this->parser->pushLocalScope();
$body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
if ($this->parser->getStream()->test(Twig_Token::NAME_TYPE)) {
$value = $this->parser->getStream()->next()->getValue();
if ($value != $name) {
throw new Twig_Error_Syntax(sprintf("Expected endmacro for macro '$name' (but %s given)", $value), $lineno);
}
}
$this->parser->popLocalScope();
$this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
$this->parser->setMacro($name, new Twig_Node_Macro($name, new Twig_Node_Body(array($body)), $arguments, $lineno, $this->getTag()));
return null;
}
public function decideBlockEnd(Twig_Token $token)
{
return $token->test('endmacro');
}
/**
* Gets the tag name associated with this token parser.
*
* @return string The tag name
*/
public function getTag()
{
return 'macro';
}
}