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<?php
/**
* Default configuration data reader. Reads configuration data from storage
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\App\Config\Initial;
class Reader
{
/**
* File locator
*
* @var \Magento\Framework\Config\FileResolverInterface
*/
protected $_fileResolver;
/**
* Config converter
*
* @var \Magento\Framework\Config\ConverterInterface
*/
protected $_converter;
/**
* Config file name
*
* @var string
*/
protected $_fileName;
/**
* Class of dom configuration document used for merge
*
* @var string
*/
protected $_domDocumentClass;
/**
* Scope priority loading scheme
*
* @var array
*/
protected $_scopePriorityScheme = ['global'];
/**
* Path to corresponding XSD file with validation rules for config
*
* @var string
*/
protected $_schemaFile;
/**
* @param \Magento\Framework\Config\FileResolverInterface $fileResolver
* @param \Magento\Framework\Config\ConverterInterface $converter
* @param SchemaLocator $schemaLocator
* @param \Magento\Framework\Config\DomFactory $domFactory
* @param string $fileName
* @param string $domDocumentClass
*/
public function __construct(
\Magento\Framework\Config\FileResolverInterface $fileResolver,
\Magento\Framework\Config\ConverterInterface $converter,
SchemaLocator $schemaLocator,
\Magento\Framework\Config\DomFactory $domFactory,
$fileName = 'config.xml'
) {
$this->_schemaFile = $schemaLocator->getSchema();
$this->_fileResolver = $fileResolver;
$this->_converter = $converter;
$this->domFactory = $domFactory;
$this->_fileName = $fileName;
}
/**
* Read configuration scope
*
* @return array
*
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function read()
{
$fileList = [];
foreach ($this->_scopePriorityScheme as $scope) {
$directories = $this->_fileResolver->get($this->_fileName, $scope);
foreach ($directories as $key => $directory) {
$fileList[$key] = $directory;
}
}
if (!count($fileList)) {
return [];
}
/** @var \Magento\Framework\Config\Dom $domDocument */
$domDocument = null;
foreach ($fileList as $file) {
try {
if (!$domDocument) {
$domDocument = $this->domFactory->createDom(['xml' => $file, 'schemaFile' => $this->_schemaFile]);
} else {
$domDocument->merge($file);
}
} catch (\Magento\Framework\Config\Dom\ValidationException $e) {
throw new \Magento\Framework\Exception\LocalizedException(
new \Magento\Framework\Phrase(
'The XML in file "%1" is invalid:' . "\n%2\nVerify the XML and try again.",
[$file, $e->getMessage()]
)
);
}
}
$output = [];
if ($domDocument) {
$output = $this->_converter->convert($domDocument->getDom());
}
return $output;
}
}