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<?php
namespace Codeception\Util;
use Flow\JSONPath\JSONPath;
use InvalidArgumentException;
use DOMDocument;
class JsonArray
{
/**
* @var array
*/
protected $jsonArray = [];
/**
* @var DOMDocument
*/
protected $jsonXml = null;
public function __construct($jsonString)
{
if (!is_string($jsonString)) {
throw new InvalidArgumentException('$jsonString param must be a string.');
}
$jsonDecode = json_decode($jsonString, true);
if (!is_array($jsonDecode)) {
$jsonDecode = [$jsonDecode];
}
$this->jsonArray = $jsonDecode;
if (JSON_ERROR_NONE !== json_last_error()) {
throw new InvalidArgumentException(
sprintf(
"Invalid json: %s. System message: %s.",
$jsonString,
json_last_error_msg()
),
json_last_error()
);
}
}
public function toXml()
{
if ($this->jsonXml) {
return $this->jsonXml;
}
$root = 'root';
$jsonArray = $this->jsonArray;
if (count($jsonArray) == 1) {
$value = reset($jsonArray);
if (is_array($value)) {
$root = key($jsonArray);
$jsonArray = $value;
}
}
$dom = new DOMDocument('1.0', 'UTF-8');
$dom->formatOutput = false;
$root = $dom->createElement($root);
$dom->appendChild($root);
$this->arrayToXml($dom, $root, $jsonArray);
$this->jsonXml = $dom;
return $dom;
}
/**
* @return array
*/
public function toArray()
{
return $this->jsonArray;
}
public function filterByXPath($xpath)
{
$path = new \DOMXPath($this->toXml());
return $path->query($xpath);
}
public function filterByJsonPath($jsonPath)
{
if (!class_exists('Flow\JSONPath\JSONPath')) {
throw new \Exception('JSONPath library not installed. Please add `flow/jsonpath` to composer.json');
}
return (new JSONPath($this->jsonArray))->find($jsonPath)->data();
}
public function getXmlString()
{
return $this->toXml()->saveXML();
}
public function containsArray(array $needle)
{
return (new ArrayContainsComparator($this->jsonArray))->containsArray($needle);
}
private function arrayToXml(\DOMDocument $doc, \DOMNode $node, $array)
{
foreach ($array as $key => $value) {
if (is_numeric($key)) {
$subNode = $doc->createElement($node->nodeName);
$node->parentNode->appendChild($subNode);
} else {
try {
$subNode = $doc->createElement($key);
} catch (\Exception $e) {
$key = $this->getValidTagNameForInvalidKey($key);
$subNode = $doc->createElement($key);
}
$node->appendChild($subNode);
}
if (is_array($value)) {
$this->arrayToXml($doc, $subNode, $value);
} else {
$subNode->nodeValue = htmlspecialchars((string)$value);
}
}
}
private function getValidTagNameForInvalidKey($key)
{
static $map = [];
if (!isset($map[$key])) {
$tagName = 'invalidTag' . (count($map) + 1);
$map[$key] = $tagName;
codecept_debug($tagName . ' is "' . $key . '"');
}
return $map[$key];
}
}