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<?php
/**
* Configuration metadata processor
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\App\Config;
class MetadataProcessor
{
/**
* @var \Magento\Framework\App\Config\Data\ProcessorFactory
*/
protected $_processorFactory;
/**
* @var array
*/
protected $_metadata = [];
/**
* @param \Magento\Framework\App\Config\Data\ProcessorFactory $processorFactory
* @param Initial $initialConfig
*/
public function __construct(
\Magento\Framework\App\Config\Data\ProcessorFactory $processorFactory,
Initial $initialConfig
) {
$this->_processorFactory = $processorFactory;
$this->_metadata = $initialConfig->getMetadata();
}
/**
* Retrieve array value by path
*
* @param array $data
* @param string $path
* @return string|null
*/
protected function _getValue(array $data, $path)
{
$keys = explode('/', $path);
foreach ($keys as $key) {
if (is_array($data) && array_key_exists($key, $data)) {
$data = $data[$key];
} else {
return null;
}
}
return $data;
}
/**
* Set array value by path
*
* @param array &$container
* @param string $path
* @param string $value
* @return void
*/
protected function _setValue(array &$container, $path, $value)
{
$segments = explode('/', $path);
$currentPointer = & $container;
foreach ($segments as $segment) {
if (!isset($currentPointer[$segment])) {
$currentPointer[$segment] = [];
}
$currentPointer = & $currentPointer[$segment];
}
$currentPointer = $value;
}
/**
* Process config data
*
* @param array $data
* @return array
*/
public function process(array $data)
{
foreach ($this->_metadata as $path => $metadata) {
/** @var \Magento\Framework\App\Config\Data\ProcessorInterface $processor */
$processor = $this->_processorFactory->get($metadata['backendModel']);
$value = $processor->processValue($this->_getValue($data, $path));
$this->_setValue($data, $path, $value);
}
return $data;
}
}