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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Catalog\Model\ProductOptions\Config;
class Converter implements \Magento\Framework\Config\ConverterInterface
{
/**
* Convert dom node tree to array
*
* @param \DOMDocument $source
* @return array
* @throws \InvalidArgumentException
*/
public function convert($source)
{
$output = [];
/** @var $optionNode \DOMNode */
foreach ($source->getElementsByTagName('option') as $optionNode) {
$optionName = $this->_getAttributeValue($optionNode, 'name');
$data = [];
$data['name'] = $optionName;
$data['label'] = $this->_getAttributeValue($optionNode, 'label');
$data['renderer'] = $this->_getAttributeValue($optionNode, 'renderer');
/** @var $childNode \DOMNode */
foreach ($optionNode->childNodes as $childNode) {
if ($childNode->nodeType != XML_ELEMENT_NODE) {
continue;
}
$inputTypeName = $this->_getAttributeValue($childNode, 'name');
$data['types'][$inputTypeName] = [
'name' => $inputTypeName,
'label' => $this->_getAttributeValue($childNode, 'label'),
'disabled' => 'true' == $this->_getAttributeValue($childNode, 'disabled', 'false') ? true : false,
];
}
$output[$optionName] = $data;
}
return $output;
}
/**
* Get attribute value
*
* @param \DOMNode $node
* @param string $attributeName
* @param string|null $defaultValue
* @return null|string
*/
protected function _getAttributeValue(\DOMNode $node, $attributeName, $defaultValue = null)
{
$attributeNode = $node->attributes->getNamedItem($attributeName);
$output = $defaultValue;
if ($attributeNode) {
$output = $attributeNode->nodeValue;
}
return $output;
}
}