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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Config\Dom;
/**
* Configuration of nodes that represent numeric or associative arrays
*/
class ArrayNodeConfig
{
/**
* @var NodePathMatcher
*/
private $nodePathMatcher;
/**
* Format: array('/associative/array/path' => '<array_key_attribute>', ...)
*
* @var array
*/
private $assocArrays = [];
/**
* Format: array('/numeric/array/path', ...)
*
* @var array
*/
private $numericArrays = [];
/**
* @param NodePathMatcher $nodePathMatcher
* @param array $assocArrayAttributes
* @param array $numericArrays
*/
public function __construct(
NodePathMatcher $nodePathMatcher,
array $assocArrayAttributes,
array $numericArrays = []
) {
$this->nodePathMatcher = $nodePathMatcher;
$this->assocArrays = $assocArrayAttributes;
$this->numericArrays = $numericArrays;
}
/**
* Whether a node is a numeric array or not
*
* @param string $nodeXpath
* @return bool
*/
public function isNumericArray($nodeXpath)
{
foreach ($this->numericArrays as $pathPattern) {
if ($this->nodePathMatcher->match($pathPattern, $nodeXpath)) {
return true;
}
}
return false;
}
/**
* Retrieve name of array key attribute, if a node is an associative array
*
* @param string $nodeXpath
* @return string|null
*/
public function getAssocArrayKeyAttribute($nodeXpath)
{
foreach ($this->assocArrays as $pathPattern => $keyAttribute) {
if ($this->nodePathMatcher->match($pathPattern, $nodeXpath)) {
return $keyAttribute;
}
}
return null;
}
}