Added types used in rules to types hashset

Assembly defines open generic only, so we have to add specialised types used in mappings

Removed removing "Nullable" from type name

src/Mapster.Tool/Program.cs

@@ -80,7 +80,7 @@ private static void GenerateMappers(MapperOptions opt)
  {
  Implements = new[] {type},
  Namespace = CreateNamespace(opt.Namespace, segments, type.Namespace),
- TypeName = attr.Name ?? GetImplName(type.Name),
+ TypeName = attr.Name ?? GetImplName(GetCodeFriendlyTypeName(type)),
  IsInternal = attr.IsInternal,
  PrintFullTypeName = opt.PrintFullTypeName,
  };
@@ -399,6 +399,10 @@ private static void GenerateExtensions(ExtensionOptions opt)
  }
  }
  var types = assemblies.SelectMany(it => it.GetTypes()).ToHashSet();
+
+ // assemblies defines open generic only, so we have to add specialised types used in mappings
+ foreach (var (key, _) in config.RuleMap) types.Add(key.Source);
+
  var configDict = new Dictionary<BaseAdaptAttribute, TypeAdapterConfig>();
  foreach (var builder in codeGenConfig.AdaptAttributeBuilders)
  {
@@ -443,7 +447,7 @@ private static void GenerateExtensions(ExtensionOptions opt)
  {
  IsStatic = true,
  Namespace = CreateNamespace(opt.Namespace, segments, type.Namespace),
- TypeName = mapperAttr.Name.Replace("[name]", type.Name),
+ TypeName = mapperAttr.Name.Replace("[name]", GetCodeFriendlyTypeName(type)),
  IsInternal = mapperAttr.IsInternal,
  PrintFullTypeName = opt.PrintFullTypeName,
  };
@@ -498,7 +502,7 @@ private static void GenerateExtensions(ExtensionOptions opt)
  {
  //add type name to prevent duplication
  translator.Translate(entityType);
- var destName = GetMethodNameFromType(tuple.Destination);
+ var destName = GetCodeFriendlyTypeName(tuple.Destination);
 
  var name = tuple.Destination.Name == entityType.Name
  ? destName
@@ -525,18 +529,18 @@ private static void GenerateExtensions(ExtensionOptions opt)
  }
  }
 
- private static string GetMethodNameFromType(Type type) => GetMethodNameFromType(new StringBuilder(), type).ToString();
+ private static string GetCodeFriendlyTypeName(Type type) => GetCodeFriendlyTypeName(new StringBuilder(), type).ToString();
 
- private static StringBuilder GetMethodNameFromType(StringBuilder sb, Type type)
+ private static StringBuilder GetCodeFriendlyTypeName(StringBuilder sb, Type type)
  {
  foreach (var subType in type.GenericTypeArguments)
  {
- GetMethodNameFromType(sb, subType);
+ GetCodeFriendlyTypeName(sb, subType);
  }
 
  if (type.IsArray)
  {
- GetMethodNameFromType(sb, type.GetElementType()!);
+ GetCodeFriendlyTypeName(sb, type.GetElementType()!);
  sb.Append("Array");
  return sb;
  }
@@ -546,7 +550,6 @@ private static StringBuilder GetMethodNameFromType(StringBuilder sb, Type type)
  if (i>0) name = name.Remove(i);
  name = name switch
  {
- "Nullable" => "",
  "SByte" => "Sbyte",
  "Int16" => "Short",
  "UInt16" => "Ushort",