<?php declare(strict_types = 1);
namespace TheSeer\Tokenizer;

use DOMDocument;

class XMLSerializer {

    /** @var \XMLWriter */
    private $writer;

    /** @var Token */
    private $previousToken;

    /** @var NamespaceUri */
    private $xmlns;

    /**
     * XMLSerializer constructor.
     *
     * @param NamespaceUri $xmlns
     */
    public function __construct(?NamespaceUri $xmlns = null) {
        if ($xmlns === null) {
            $xmlns = new NamespaceUri('https://github.com/theseer/tokenizer');
        }
        $this->xmlns = $xmlns;
    }

    public function toDom(TokenCollection $tokens): DOMDocument {
        $dom                     = new DOMDocument();
        $dom->preserveWhiteSpace = false;
        $dom->loadXML($this->toXML($tokens));

        return $dom;
    }

    public function toXML(TokenCollection $tokens): string {
        $this->writer = new \XMLWriter();
        $this->writer->openMemory();
        $this->writer->setIndent(true);
        $this->writer->startDocument();
        $this->writer->startElement('source');
        $this->writer->writeAttribute('xmlns', $this->xmlns->asString());

        if (\count($tokens) > 0) {
            $this->writer->startElement('line');
            $this->writer->writeAttribute('no', '1');

            $this->previousToken = $tokens[0];

            foreach ($tokens as $token) {
                $this->addToken($token);
            }
        }

        $this->writer->endElement();
        $this->writer->endElement();
        $this->writer->endDocument();

        return $this->writer->outputMemory();
    }

    private function addToken(Token $token): void {
        if ($this->previousToken->getLine() < $token->getLine()) {
            $this->writer->endElement();

            $this->writer->startElement('line');
            $this->writer->writeAttribute('no', (string)$token->getLine());
            $this->previousToken = $token;
        }

        if ($token->getValue() !== '') {
            $this->writer->startElement('token');
            $this->writer->writeAttribute('name', $token->getName());
            $this->writer->writeRaw(\htmlspecialchars($token->getValue(), \ENT_NOQUOTES | \ENT_DISALLOWED | \ENT_XML1));
            $this->writer->endElement();
        }
    }
}

• [F] Exception.php
  Delete
• [F] NamespaceUri.php
  Delete
• [F] NamespaceUriException.php
  Delete
• [F] Token.php
  Delete
• [F] TokenCollection.php
  Delete
• [F] TokenCollectionException.php
  Delete
• [F] Tokenizer.php
  Delete
• [F] XMLSerializer.php
  Delete

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                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}