Add code

ScriptConverter/IndentTextWriter.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Globalization;
+using System.IO;
+using System.Text;
+
+namespace ScriptConverter
+{
+    public class IndentTextWriter : TextWriter
+    {
+        private readonly TextWriter _writer;
+        private readonly string _indentStr;
+        private bool _shouldIndent;
+
+        public int Indent { get; set; }
+
+        public IndentTextWriter(TextWriter writer, string indentStr = "  ")
+        {
+            _writer = writer;
+            _indentStr = indentStr;
+            _shouldIndent = false;
+        }
+
+        public override Encoding Encoding
+        {
+            get { return Encoding.Unicode; }
+        }
+
+        public override IFormatProvider FormatProvider
+        {
+            get { return CultureInfo.InvariantCulture; }
+        }
+
+        public override void Write(char value)
+        {
+            if (_shouldIndent)
+            {
+                _shouldIndent = false; // shouldIndent must be cleared first
+                WriteIndent();
+            }
+
+            _writer.Write(value);
+        }
+
+        public override void WriteLine()
+        {
+            base.WriteLine();
+
+            _shouldIndent = true; // defer indenting until the next Write
+        }
+
+        public override void WriteLine(string value)
+        {
+            Write(value);
+            WriteLine();
+        }
+
+        public void WriteIndent()
+        {
+            for (var i = 0; i < Indent; i++)
+                Write(_indentStr);
+        }
+    }
+}