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<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Twig;

use Twig\Node\Node;

/**
 * Represents a template filter.
 *
 * @final
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class TwigFilter
{
    protected $name;
    protected $callable;
    protected $options;
    protected $arguments = [];

public function __construct($name, $callable, array $options = [])
    {
        $this->name = $name;
        $this->callable = $callable;
        $this->options = array_merge([
            'needs_environment' => false,
            'needs_context' => false,
            'is_variadic' => false,
            'is_safe' => null,
            'is_safe_callback' => null,
            'pre_escape' => null,
            'preserves_safety' => null,
            'node_class' => '\Twig\Node\Expression\FilterExpression',
            'deprecated' => false,
            'alternative' => null,
        ], $options);
    }

public function getName()
    {
        return $this->name;
    }

public function getCallable()
    {
        return $this->callable;
    }

public function getNodeClass()
    {
        return $this->options['node_class'];
    }

public function setArguments($arguments)
    {
        $this->arguments = $arguments;
    }

public function getArguments()
    {
        return $this->arguments;
    }

public function needsEnvironment()
    {
        return $this->options['needs_environment'];
    }

public function needsContext()
    {
        return $this->options['needs_context'];
    }

public function getSafe(Node $filterArgs)
    {
        if (null !== $this->options['is_safe']) {
            return $this->options['is_safe'];
        }

if (null !== $this->options['is_safe_callback']) {
            return \call_user_func($this->options['is_safe_callback'], $filterArgs);
        }
    }

public function getPreservesSafety()
    {
        return $this->options['preserves_safety'];
    }

public function getPreEscape()
    {
        return $this->options['pre_escape'];
    }

public function isVariadic()
    {
        return $this->options['is_variadic'];
    }

public function isDeprecated()
    {
        return (bool) $this->options['deprecated'];
    }

public function getDeprecatedVersion()
    {
        return $this->options['deprecated'];
    }

public function getAlternative()
    {
        return $this->options['alternative'];
    }
}

class_alias('Twig\TwigFilter', 'Twig_SimpleFilter');

// Ensure that the aliased name is loaded to keep BC for classes implementing the typehint with the old aliased name.
class_exists('Twig\Node\Node');