make HtmlUtitlities public; add wordCount method

ReadSharp/HtmlUtilities.cs

@@ -4,8 +4,13 @@ using System.IO;
 
 namespace ReadSharp
 {
-  internal class HtmlUtilities
+  public class HtmlUtilities
   {
+    /// <summary>
+    /// Converts HTML to plain text / strips tags.
+    /// </summary>
+    /// <param name="html">The HTML.</param>
+    /// <returns></returns>
     public static string ConvertToPlainText(string html)
     {
       HtmlDocument doc = new HtmlDocument();
@@ -18,6 +23,18 @@ namespace ReadSharp
     }
 
 
+    /// <summary>
+    /// Count the words.
+    /// The content has to be converted to plain text before (using ConvertToPlainText).
+    /// </summary>
+    /// <param name="plainText">The plain text.</param>
+    /// <returns></returns>
+    public static int CountWords(string plainText)
+    {
+      return !String.IsNullOrEmpty(plainText) ? plainText.Split(' ', '\n').Length : 0;
+    }
+
+
     public static string Cut(string text, int length)
     {
       if (!String.IsNullOrEmpty(text) && text.Length > length)

ReadSharp/Reader.cs

@@ -183,7 +183,7 @@ namespace ReadSharp
       try
       {
         plainContent = HtmlUtilities.ConvertToPlainText(transcodingResult.ExtractedContent);
-        wordCount = !String.IsNullOrEmpty(plainContent) ? plainContent.Split(' ', '\n').Length : 0;
+        wordCount = HtmlUtilities.CountWords(plainContent);
       }
       catch
       {