support for partial classes, fix for prefixing regression

Author: rdavisau

JsonCSharpClassGeneratorLib/CodeWriters/CSharpCodeWriter.cs

@@ -125,9 +125,7 @@ public void WriteNamespaceEnd(IJsonClassGeneratorConfig config, TextWriter sw, b
 
         public void WriteClass(IJsonClassGeneratorConfig config, TextWriter sw, JsonType type)
         {
-            var visibility = config.InternalVisibility ? "internal" : "public";
-
-
+            var visibility = (config.InternalVisibility ? "internal" : "public") + (config.GeneratePartialClasses ? " partial" : "");
 
             if (config.UseNestedClasses)
             {
@@ -223,7 +221,7 @@ private void WriteClassMembers(IJsonClassGeneratorConfig config, TextWriter sw,
 
         private bool ShouldPrefix(string fieldName)
         {
-            if (!Char.IsLetter(fieldName.ToCharArray()[0]))
+            if (char.IsNumber(fieldName.ToCharArray()[0]))
                 return true;
 
             if (_csharpKeywords.Contains(fieldName))

JsonCSharpClassGeneratorLib/IJsonClassGeneratorConfig.cs

@@ -23,5 +23,6 @@ public interface IJsonClassGeneratorConfig
         bool AlwaysUseNullableValues { get; set; }
         bool UseNamespaces { get; }
         bool ExamplesInDocumentation { get; set; }
+        bool GeneratePartialClasses { get; set; }
     }
 }

JsonCSharpClassGeneratorLib/JsonClassGenerator.cs

@@ -38,6 +38,8 @@ public class JsonClassGenerator : IJsonClassGeneratorConfig
         private bool used = false;
         public bool UseNamespaces { get { return Namespace != null; } }
 
+        public bool GeneratePartialClasses { get; set; }
+
         public void GenerateClasses()
         {
             if (CodeWriter == null) CodeWriter = new CSharpCodeWriter();

JsonCSharpClassGeneratorLib/JsonType.cs

@@ -76,7 +76,7 @@ internal JsonType MaybeMakeNullable(IJsonClassGeneratorConfig generator)
 
         public void AssignName(string name)
         {
-            if (!char.IsLetter(name.ToCharArray()[0]))
+            if (char.IsNumber(name.ToCharArray()[0]))
                 name = "_" + name;
 
             AssignedName = name;