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<?php
/**
* Initial configuration data converter. Converts \DOMDocument to array
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\App\Config\Initial;
/**
* Class Converter
*/
class Converter implements \Magento\Framework\Config\ConverterInterface
{
/**
* Node paths to process
*
* @var array
*/
protected $_nodeMap = [];
/**
* @var array
*/
protected $_metadata = [];
/**
* @param array $nodeMap
*/
public function __construct(array $nodeMap = [])
{
$this->_nodeMap = $nodeMap;
}
/**
* Convert config data
*
* @param \DOMDocument $source
* @return array
*/
public function convert($source)
{
$output = [];
$xpath = new \DOMXPath($source);
$this->_metadata = [];
/** @var $node \DOMNode */
foreach ($xpath->query(implode(' | ', $this->_nodeMap)) as $node) {
$output = array_merge($output, $this->_convertNode($node));
}
return ['data' => $output, 'metadata' => $this->_metadata];
}
/**
* Convert node oto array
*
* @param \DOMNode $node
* @param string $path
* @return array|string|null
*
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
*/
protected function _convertNode(\DOMNode $node, $path = '')
{
$output = [];
if ($node->nodeType == XML_ELEMENT_NODE) {
if ($node->hasAttributes()) {
$backendModel = $node->attributes->getNamedItem('backend_model');
if ($backendModel) {
$this->_metadata[$path] = ['backendModel' => $backendModel->nodeValue];
}
}
$nodeData = [];
/** @var $childNode \DOMNode */
foreach ($node->childNodes as $childNode) {
$childrenData = $this->_convertNode($childNode, ($path ? $path . '/' : '') . $childNode->nodeName);
if ($childrenData == null) {
continue;
}
if (is_array($childrenData)) {
$nodeData = array_merge($nodeData, $childrenData);
} else {
$nodeData = $childrenData;
}
}
if (is_array($nodeData) && empty($nodeData)) {
$nodeData = null;
}
$output[$node->nodeName] = $nodeData;
} elseif ($node->nodeType == XML_CDATA_SECTION_NODE || $node->nodeType == XML_TEXT_NODE && trim(
$node->nodeValue
) != ''
) {
return $node->nodeValue;
}
return $output;
}
}