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

        private void WriteEnumMethod(EnumMapping mapping)
        {
            string tableName = null;
            if (mapping.IsFlags)
                tableName = WriteHashtable(mapping, mapping.TypeDesc.Name);

            string methodName = (string)MethodNames[mapping];
            Writer.WriteLine();
            bool useReflection = mapping.TypeDesc.UseReflection;
            string fullTypeName = mapping.TypeDesc.CSharpName;

            if (mapping.IsSoap)
            {
                Writer.Write("object");
                Writer.Write(" ");
                Writer.Write(methodName);
                Writer.WriteLine("() {");
                Writer.Indent++;
                Writer.WriteLine("string s = Reader.ReadElementString();");
            }
            else
            {
                Writer.Write(useReflection ? "object" : fullTypeName);
                Writer.Write(" ");
                Writer.Write(methodName);
                Writer.WriteLine("(string s) {");
                Writer.Indent++;
            }

            ConstantMapping[] constants = mapping.Constants;
            if (mapping.IsFlags)
            {
                if (useReflection)
                {
                    Writer.Write("return ");
                    Writer.Write(typeof(Enum).FullName);
                    Writer.Write(".ToObject(");
                    Writer.Write(RaCodeGen.GetStringForTypeof(fullTypeName, useReflection));
                    Writer.Write(", ToEnum(s, ");
                    Writer.Write(tableName);
                    Writer.Write(", ");
                    WriteQuotedCSharpString(fullTypeName);
                    Writer.WriteLine("));");
                }
                else
                {
                    Writer.Write("return (");
                    Writer.Write(fullTypeName);
                    Writer.Write(")ToEnum(s, ");
                    Writer.Write(tableName);
                    Writer.Write(", ");
                    WriteQuotedCSharpString(fullTypeName);
                    Writer.WriteLine(");");
                }
            }
            else
            {
                Writer.WriteLine("switch (s) {");
                Writer.Indent++;
                Hashtable cases = new Hashtable();
                for (int i = 0; i < constants.Length; i++)
                {
                    ConstantMapping c = constants[i];

                    CodeIdentifier.CheckValidIdentifier(c.Name);
                    if (cases[c.XmlName] == null)
                    {
                        Writer.Write("case ");
                        WriteQuotedCSharpString(c.XmlName);
                        Writer.Write(": return ");
                        Writer.Write(RaCodeGen.GetStringForEnumMember(fullTypeName, c.Name, useReflection));
                        Writer.WriteLine(";");
                        cases[c.XmlName] = c.XmlName;
                    }
                }

                Writer.Write("default: throw CreateUnknownConstantException(s, ");
                Writer.Write(RaCodeGen.GetStringForTypeof(fullTypeName, useReflection));
                Writer.WriteLine(");");
                Writer.Indent--;
                Writer.WriteLine("}");
            }

            Writer.Indent--;
            Writer.WriteLine("}");
        }