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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Email\Model\Template\Css;
use Magento\Framework\View\Asset\NotationResolver\Variable;
use Magento\Framework\View\Asset\Repository;
/**
* Class for processing css placeholders
*/
class Processor
{
/**
* @var Repository
*/
private $assetRepository;
/**
* @param Repository $assetRepository
*/
public function __construct(Repository $assetRepository)
{
$this->assetRepository = $assetRepository;
}
/**
* Process css placeholders
*
* @param string $css
* @return string
*/
public function process($css)
{
$matches = [];
if ($css !== null && preg_match_all(Variable::VAR_REGEX, $css, $matches, PREG_SET_ORDER)) {
$replacements = [];
foreach ($matches as $match) {
if (!isset($replacements[$match[0]])) {
$replacements[$match[0]] = $this->getPlaceholderValue($match[1]);
}
}
$css = str_replace(array_keys($replacements), $replacements, $css);
}
return $css;
}
/**
* Retrieve placeholder value
*
* @param string $placeholder
* @return string
*/
private function getPlaceholderValue($placeholder)
{
/** @var \Magento\Framework\View\Asset\File\FallbackContext $context */
$context = $this->assetRepository->getStaticViewFileContext();
switch ($placeholder) {
case 'base_url_path':
return $context->getBaseUrl();
case 'locale':
return $context->getLocale();
default:
return '';
}
}
}