Improved infrastructure, prepare for 0.13

Author: FlorianRappl

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 (tbd)
 
--
+- Added `ToXml` and `ToMarkup` extensions for the formatting
 
 # 0.12.1
 

src/AngleSharp.Xml/MarkupFormatterExtensions.cs

@@ -0,0 +1,28 @@
+namespace AngleSharp.Xml
+{
+    using System;
+
+    /// <summary>
+    /// Extensions for the markup formattable elements.
+    /// </summary>
+    public static class MarkupFormatterExtensions
+    {
+        /// <summary>
+        /// Returns the serialization of the object model guided by the
+        /// XML markup formatter.
+        /// </summary>
+        /// <param name="markup">The markup to serialize.</param>
+        /// <returns>The source code snippet.</returns>
+        public static String ToXml(this IMarkupFormattable markup) =>
+            markup.ToHtml(XmlMarkupFormatter.Instance);
+
+        /// <summary>
+        /// Returns the serialization of the object model guided by the
+        /// auto selected (XML, XHTML, HTML) markup formatter.
+        /// </summary>
+        /// <param name="markup">The markup to serialize.</param>
+        /// <returns>The source code snippet.</returns>
+        public static String ToMarkup(this IMarkupFormattable markup) =>
+            markup.ToHtml(new AutoSelectedMarkupFormatter());
+    }
+}