Added static methods for quick access (HtmlExplorer)

lib/HtmlExplorer.php

@@ -100,4 +100,41 @@ public function getDOM()
     {
         return $this->dom;
     }
+
+    /**
+     * Loads HTML from webpage.
+     *
+     * @param $url The URL of the webpage
+     * @param \FlameCore\Webtools\HttpClient $http The HttpClient instance to use (optional)
+     * @return \FlameCore\Webtools\HtmlExplorer
+     * @throws \RuntimeException if the URL could not be loaded.
+     */
+    public static function fromWeb($url, HttpClient $http = null)
+    {
+        $http = $http ?: new HttpClient();
+
+        $request = $http->get($url);
+
+        if (!$request->success)
+            throw new \RuntimeException(sprintf('The URL "%s" could not be loaded.', $url));
+
+        return new self($request->data);
+    }
+
+    /**
+     * Loads HTML from file.
+     *
+     * @param $filename The name of the file
+     * @return \FlameCore\Webtools\HtmlExplorer
+     * @throws \LogicException if the file could not be opened.
+     */
+    public static function fromFile($filename)
+    {
+        if (!is_file($filename) || !is_readable($filename))
+            throw new \LogicException(sprintf('The file "%s" does not exist or is not readable.', $filename));
+
+        $html = file_get_contents($filename);
+
+        return new self($html);
+    }
 }

lib/WebpageAnalyzer.php

@@ -71,7 +71,7 @@ class WebpageAnalyzer
      * Creates a WebpageAnalyzer object.
      *
      * @param string $url The URL of the webpage
-     * @throws \UnexpectedValueException if the URL could not be loaded.
+     * @throws \RuntimeException if the URL could not be loaded.
      */
     public function __construct($url)
     {
@@ -81,12 +81,7 @@ public function __construct($url)
         $this->localUrl = preg_replace('#^(https?://.+)/.+#', '\1', $this->url);
 
         $http = new HttpClient();
-        $request = $http->get($this->url);
-
-        if (!$request->success)
-            throw new \UnexpectedValueException(sprintf('The URL "%s" could not be loaded.', $url));
-
-        $html = new HtmlExplorer($request->data);
+        $html = HtmlExplorer::fromWeb($url, $http);
 
         $node = $html->findFirstTag('base');
         if ($node && $href = $node->getAttribute('href'))