Extract the generic text generating helper code into its own class.

src/Generator/Generators/Template.cs

@@ -1,76 +1,26 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace Cxxi.Generators
+namespace Cxxi.Generators
 {
-    public abstract class TextTemplate
+    public abstract class TextTemplate : TextGenerator
     {
         private const uint DefaultIndent = 4;
         private const uint MaxIndent = 80;
 
-        public Generator Generator { get; set; }
-        public DriverOptions DriverOptions { get; set; }
+        public Driver Driver { get; set; }
+        public DriverOptions Options { get; set; }
         public Library Library { get; set; }
         public ILibrary Transform;
-        public TranslationUnit Module { get; set; }
+        public TranslationUnit unit { get; set; }
         public abstract string FileExtension { get; }
 
-        protected abstract void Generate();
-
-        protected StringBuilder Builder;
-        protected Stack<uint> CurrentIndent;
-
-        private bool isStartOfLine;
-
-        protected TextTemplate()
-        {
-            Builder = new StringBuilder();
-            CurrentIndent = new Stack<uint>();
-            isStartOfLine = true;
-        }
-
-        public void Write(string msg, params object[] args)
-        {
-            if (isStartOfLine)
-                Builder.Append(new string(' ', (int)CurrentIndent.Sum(u => u)));
-
-            if (args.Length > 0)
-                msg = string.Format(msg, args);
-
-            if (msg.Length > 0)
-                isStartOfLine = false;
-
-            Builder.Append(msg);
-        }
-
-        public void WriteLine(string msg, params object[] args)
-        {
-            Write(msg, args);
-            NewLine();
-        }
-
-        public void NewLine()
-        {
-            Builder.AppendLine(string.Empty);
-            isStartOfLine = true;
-        }
-
-        public void PushIndent(uint indent = DefaultIndent)
-        {
-            CurrentIndent.Push(indent);
-        }
-
-        public void PopIndent()
-        {
-            CurrentIndent.Pop();
-        }
+        public abstract void Generate();
 
-        public override string ToString()
+        protected TextTemplate(Driver driver, TranslationUnit unit)
         {
-            Builder.Clear();
-            Generate();
-            return Builder.ToString();
+            Driver = driver;
+            Options = driver.Options;
+            Library = driver.Library;
+            Transform = driver.Transform;
+            this.unit = unit;
         }
     }
 }