<?php
/*
* This file is part of Twig.
*
* (c) 2009 Fabien Potencier
* (c) 2009 Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class Twig_Node_Expression_Filter extends Twig_Node_Expression
{
public function __construct(Twig_NodeInterface $node, Twig_Node_Expression_Constant $filterName, Twig_NodeInterface $arguments, $lineno, $tag = null)
{
parent::__construct(array('node' => $node, 'filter' => $filterName, 'arguments' => $arguments), array(), $lineno, $tag);
}
public function compile(Twig_Compiler $compiler)
{
$name = $this->getNode('filter')->getAttribute('value');
if (false === $filter = $compiler->getEnvironment()->getFilter($name)) {
$message = sprintf('The filter "%s" does not exist', $name);
if ($alternatives = $compiler->getEnvironment()->computeAlternatives($name, array_keys($compiler->getEnvironment()->getFilters()))) {
$message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
}
throw new Twig_Error_Syntax($message, $this->getLine());
}
$this->compileFilter($compiler, $filter);
}
protected function compileFilter(Twig_Compiler $compiler, Twig_FilterInterface $filter)
{
$compiler
->raw($filter->compile().'(')
->raw($filter->needsEnvironment() ? '$this->env, ' : '')
->raw($filter->needsContext() ? '$context, ' : '')
;
foreach ($filter->getArguments() as $argument) {
$compiler
->string($argument)
->raw(', ')
;
}
$compiler->subcompile($this->getNode('node'));
foreach ($this->getNode('arguments') as $node) {
$compiler
->raw(', ')
->subcompile($node)
;
}
$compiler->raw(')');
}
}
