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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.
 */

use Twig\Node\Node;

@
trigger_error('The Twig_Filter class is deprecated since version 1.12 and will be removed in 2.0. Use \Twig\TwigFilter instead.', E_USER_DEPRECATED);

/**
 * Represents a template filter.
 *
 * Use \Twig\TwigFilter instead.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @deprecated since 1.12 (to be removed in 2.0)
 */
abstract class Twig_Filter implements Twig_FilterInterface, Twig_FilterCallableInterface
{
    protected
$options;
    protected
$arguments = [];

    public function
__construct(array $options = [])
    {
       
$this->options = array_merge([
           
'needs_environment' => false,
           
'needs_context' => false,
           
'pre_escape' => null,
           
'preserves_safety' => null,
           
'callable' => null,
        ],
$options);
    }

    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 (isset(
$this->options['is_safe'])) {
            return
$this->options['is_safe'];
        }

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

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

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

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