System.Xml.Serialization.XmlSerializationWriterCodeGen.WriteEnumMethod C# (CSharp) Method

        private void WriteEnumMethod(EnumMapping mapping)
        {
            string methodName = (string)MethodNames[mapping];
            Writer.WriteLine();
            string fullTypeName = mapping.TypeDesc.CSharpName;
            if (mapping.IsSoap)
            {
                Writer.Write("void ");
                Writer.Write(methodName);
                Writer.WriteLine("(object e) {");
                WriteLocalDecl(fullTypeName, "v", "e", mapping.TypeDesc.UseReflection);
            }
            else
            {
                Writer.Write("string ");
                Writer.Write(methodName);
                Writer.Write("(");
                Writer.Write(mapping.TypeDesc.UseReflection ? "object" : fullTypeName);
                Writer.WriteLine(" v) {");
            }
            Writer.Indent++;
            Writer.WriteLine("string s = null;");
            ConstantMapping[] constants = mapping.Constants;

            if (constants.Length > 0)
            {
                Hashtable values = new Hashtable();
                if (mapping.TypeDesc.UseReflection)
                    Writer.WriteLine("switch (" + RaCodeGen.GetStringForEnumLongValue("v", mapping.TypeDesc.UseReflection) + " ){");
                else
                    Writer.WriteLine("switch (v) {");
                Writer.Indent++;
                for (int i = 0; i < constants.Length; i++)
                {
                    ConstantMapping c = constants[i];
                    if (values[c.Value] == null)
                    {
                        WriteEnumCase(fullTypeName, c, mapping.TypeDesc.UseReflection);
                        Writer.Write("s = ");
                        WriteQuotedCSharpString(c.XmlName);
                        Writer.WriteLine("; break;");
                        values.Add(c.Value, c.Value);
                    }
                }


                if (mapping.IsFlags)
                {
                    Writer.Write("default: s = FromEnum(");
                    Writer.Write(RaCodeGen.GetStringForEnumLongValue("v", mapping.TypeDesc.UseReflection));
                    Writer.Write(", new string[] {");
                    Writer.Indent++;
                    for (int i = 0; i < constants.Length; i++)
                    {
                        ConstantMapping c = constants[i];
                        if (i > 0)
                            Writer.WriteLine(", ");
                        WriteQuotedCSharpString(c.XmlName);
                    }
                    Writer.Write("}, new ");
                    Writer.Write(typeof(long).FullName);
                    Writer.Write("[] {");

                    for (int i = 0; i < constants.Length; i++)
                    {
                        ConstantMapping c = constants[i];
                        if (i > 0)
                            Writer.WriteLine(", ");
                        Writer.Write("(long)");
                        if (mapping.TypeDesc.UseReflection)
                            Writer.Write(c.Value.ToString(CultureInfo.InvariantCulture));
                        else
                        {
                            Writer.Write(fullTypeName);
                            Writer.Write(".@");
                            CodeIdentifier.CheckValidIdentifier(c.Name);
                            Writer.Write(c.Name);
                        }
                    }
                    Writer.Indent--;
                    Writer.Write("}, ");
                    WriteQuotedCSharpString(mapping.TypeDesc.FullName);
                    Writer.WriteLine("); break;");
                }
                else
                {
                    Writer.Write("default: throw CreateInvalidEnumValueException(");
                    Writer.Write(RaCodeGen.GetStringForEnumLongValue("v", mapping.TypeDesc.UseReflection));
                    Writer.Write(".ToString(System.Globalization.CultureInfo.InvariantCulture), ");
                    WriteQuotedCSharpString(mapping.TypeDesc.FullName);
                    Writer.WriteLine(");");
                }
                Writer.Indent--;
                Writer.WriteLine("}");
            }
            if (mapping.IsSoap)
            {
                Writer.Write("WriteXsiType(");
                WriteQuotedCSharpString(mapping.TypeName);
                Writer.Write(", ");
                WriteQuotedCSharpString(mapping.Namespace);
                Writer.WriteLine(");");
                Writer.WriteLine("Writer.WriteString(s);");
            }
            else
            {
                Writer.WriteLine("return s;");
            }
            Writer.Indent--;
            Writer.WriteLine("}");
        }