Added MicrodataDOMDocument

This is for both gaining flexibility and made code cleaner.

src/Microdata.php

@@ -6,7 +6,7 @@ abstract class Microdata
 {
     public static function fromHTML($html, $documentURI = '')
     {
-        $dom = new \DOMDocument;
+        $dom = new MicrodataDOMDocument;
         $dom->loadHTML($html, LIBXML_NOERROR);
         $dom->documentURI = $documentURI;
 
@@ -15,15 +15,19 @@ abstract class Microdata
 
     public static function fromHTMLFile($filename, $documentURI = '')
     {
-        $dom = new \DOMDocument;
+        $dom = new MicrodataDOMDocument;
         $dom->loadHTMLFile($filename);
         $dom->documentURI = $documentURI;
 
         return new MicrodataParser($dom);
     }
 
-    public static function fromDOMDocument(\DOMDocument $dom)
+    public static function fromDOMDocument(\DOMDocument $domDocument)
     {
+        $dom = new MicrodataDOMDocument;
+        $importedNode = $dom->importNode($domDocument->documentElement, true);
+        $dom->appendChild($importedNode);
+
         return new MicrodataParser($dom);
     }
 }

src/MicrodataDOMDocument.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace YusufKandemir\MicrodataParser;
+
+class MicrodataDOMDocument extends \DOMDocument
+{
+    public $xpath;
+
+    public function getItems()
+    {
+        return $this->xpath->query('//*[@itemscope and not(@itemprop)]');
+    }
+
+    public function loadHTML($source, $options = 0)
+    {
+        $return = parent::loadHTML($source, $options);
+
+        $this->xpath = new \DOMXPath($this);
+
+        return $return;
+    }
+
+    public function loadHTMLFile($filename, $options = 0)
+    {
+        $return = parent::loadHTMLFile($filename, $options);
+
+        $this->xpath = new \DOMXPath($this);
+
+        return $return;
+    }
+}

src/MicrodataParser.php

@@ -4,14 +4,14 @@ namespace YusufKandemir\MicrodataParser;
 
 class MicrodataParser
 {
-    protected $topLevelItems;
+    protected $dom;
 
-    public function __construct(\DOMDocument $dom)
+    public function __construct(MicrodataDOMDocument $dom)
     {
+        $dom->registerNodeClass(\DOMDocument::class, MicrodataDOMDocument::class);
         $dom->registerNodeClass(\DOMElement::class, MicrodataDOMElement::class);
 
-        $xpath = new \DOMXPath($dom);
-        $this->topLevelItems = $xpath->query('//*[@itemscope and not(@itemprop)]');
+        $this->dom = $dom;
     }
 
     public function toArray()
@@ -36,8 +36,8 @@ class MicrodataParser
 
         $result->items = [];
 
-        foreach ($this->topLevelItems as $topLevelItem) {
-            $result->items[] = $this->getObject($topLevelItem);
+        foreach ($this->dom->getItems() as $item) {
+            $result->items[] = $this->getObject($item);
         }
 
         return $result;

tests/MicrodataParserTest.php

@@ -2,6 +2,7 @@
 
 namespace YusufKandemir\MicrodataParser\Tests;
 
+use YusufKandemir\MicrodataParser\MicrodataDOMDocument;
 use YusufKandemir\MicrodataParser\MicrodataParser;
 
 class MicrodataParserTest extends \PHPUnit\Framework\TestCase
@@ -13,7 +14,7 @@ class MicrodataParserTest extends \PHPUnit\Framework\TestCase
 
     protected function getParser($data)
     {
-        $dom = new \DOMDocument;
+        $dom = new MicrodataDOMDocument;
         $dom->loadHTML($data['source']);
         $dom->documentURI = $data['uri'];