Fix: get initial prefix from config

Author: Edd-G

src/HtmlParser.php

@@ -44,6 +44,8 @@ public function __construct(string $html)
         require_once( __DIR__ . '/Config.php');
     	$this->config = new Config();
 
+    	$this->prefix = $this->config->getPrefix();
+
         libxml_use_internal_errors(true);
 
         $this->html = $html;
@@ -126,6 +128,7 @@ private function init()
         if (!$this->hasHtml()) throw new Exception('No HTML to parse !');
 
         $finder = new DomXPath($this->dom);
+
 		$nodes = $finder->query("//*[contains(@class, '$this->prefix')]");
 
 		foreach ($nodes as $node) {

src/Parser.php

@@ -28,10 +28,15 @@ class Parser
     /**
      * @var string
      */
-    private $prefix = "prs";
+    private $prefix;
 
     public function __construct(string $data)
     {
+        require_once( __DIR__ . '/Config.php');
+        $this->config = new Config();
+
+        $this->prefix = $this->config->getPrefix();
+
         $this->data = json_decode($data);
 
         $this->dom = new DOMDocument(1.0, 'UTF-8');
@@ -52,7 +57,7 @@ static function parse($data)
      */
     public function getPrefix(): string
     {
-        return $this->prefix;
+        return !empty($this->prefix) ? $this->prefix : $this->config->getPrefix();
     }
 
     /**