ZoneCodeGenerator: Add renderer for DataType to be able to safely display typenames without spaces

src/ZoneCodeGenerator/Generating/CodeTemplate.cs

@@ -1,5 +1,6 @@
 using System.IO;
 using Antlr4.StringTemplate;
+using ZoneCodeGenerator.Domain;
 
 namespace ZoneCodeGenerator.Generating
 {
@@ -17,6 +18,7 @@ namespace ZoneCodeGenerator.Generating
         {
             this.templateGroup = templateGroup;
             templateGroup.RegisterRenderer(typeof(string), new StringRenderer());
+            templateGroup.RegisterRenderer(typeof(DataType), new DataTypeAttributeRenderer());
         }
 
         public static CodeTemplate FromResources(string fileName)

src/ZoneCodeGenerator/Generating/DataTypeAttributeRenderer.cs

@@ -0,0 +1,29 @@
+using System.Globalization;
+using Antlr4.StringTemplate;
+using ZoneCodeGenerator.Domain;
+
+namespace ZoneCodeGenerator.Generating
+{
+    class DataTypeAttributeRenderer : IAttributeRenderer
+    {
+        public string ToString(object obj, string formatString, CultureInfo culture)
+        {
+            if (formatString == null)
+                return obj.ToString();
+
+            if (!(obj is DataType dataType))
+            {
+                return obj.ToString();
+            }
+
+            switch (formatString)
+            {
+                case "safe_name":
+                    return dataType.Name.Replace(" ", "_");
+
+                default:
+                    return obj.ToString();
+            }
+        }
+    }
+}