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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\Filter\DirectiveProcessor\Filter;
/**
* Applies filters to a directive value
*/
class FilterApplier
{
/**
* @var FilterPool
*/
private $filterPool;
/**
* @param FilterPool $filterPool
*/
public function __construct(FilterPool $filterPool)
{
$this->filterPool = $filterPool;
}
/**
* Apply the filters based on the raw directive value
*
* For example: applyFromRawParam('|escape:html|nl2br', 'a value', ['escape']);
*
* @param string $param The raw directive filters
* @param string $value The input to filter
* @param string[] $defaultFilters The default filters that should be applied if none are parsed
* @return string The filtered string
*/
public function applyFromRawParam(string $param, string $value, array $defaultFilters = []): string
{
$filters = array_filter(explode('|', ltrim($param, '|')));
if (empty($filters)) {
$filters = $defaultFilters;
}
return $this->applyFromArray($filters, $value);
}
/**
* Apply a given list of named filters
*
* For example: applyFromArray(['escape:html','nl2br], 'a value');
*
* @param string[] $filters The list of filter names to apply
* @param string $value The input to filter
* @return string The filtered string
*/
public function applyFromArray(array $filters, string $value): string
{
$filters = array_filter($filters);
foreach ($filters as $filter) {
$params = explode(':', $filter);
$filterName = array_shift($params);
try {
$filter = $this->filterPool->get($filterName);
} catch (\InvalidArgumentException $e) {
continue;
}
$value = $filter->filterValue($value, $params);
}
return $value;
}
}